leak
[oweals/gnunet.git] / src / testing / testing_group.c
index 3c9460879ea0603431dd4c18e7c371b892580a48..033ab7d5edc00315a63d50a43ba8eaeddc1d032c 100644 (file)
@@ -1,21 +1,21 @@
 /*
     This file is part of GNUnet
     (C) 2008, 2009 Christian Grothoff (and other contributing authors)
-
     GNUnet is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published
     by the Free Software Foundation; either version 3, or (at your
     option) any later version.
-
     GNUnet is distributed in the hope that it will be useful, but
     WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     General Public License for more details.
-
     You should have received a copy of the GNU General Public License
     along with GNUnet; see the file COPYING.  If not, write to the
     Free Software Foundation, Inc., 59 Temple Place - Suite 330,
     Boston, MA 02111-1307, USA.
+ This file is part of GNUnet
+ (C) 2008, 2009 Christian Grothoff (and other contributing authors)
+
+ GNUnet is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published
+ by the Free Software Foundation; either version 3, or (at your
+ option) any later version.
+
+ GNUnet is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with GNUnet; see the file COPYING.  If not, write to the
+ Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA.
  */
 
 /**
  *
  */
 #include "platform.h"
+#include "gnunet_constants.h"
 #include "gnunet_arm_service.h"
 #include "gnunet_testing_lib.h"
 #include "gnunet_core_service.h"
 
-#define VERBOSE_TESTING GNUNET_YES
+#define VERBOSE_TESTING GNUNET_NO
 
-#define VERBOSE_TOPOLOGY GNUNET_YES
+#define VERBOSE_TOPOLOGY GNUNET_NO
 
 #define DEBUG_CHURN GNUNET_NO
 
+#define USE_START_HELPER GNUNET_YES
+
 #define OLD 1
 
+/* Before connecting peers, send all of the HELLOs */
+#define USE_SEND_HELLOS GNUNET_NO
+
+#define TOPOLOGY_HACK GNUNET_YES
+
+
 /**
  * Lowest port used for GNUnet testing.  Should be high enough to not
  * conflict with other applications running on the hosts but be low
  * enough to not conflict with client-ports (typically starting around
  * 32k).
  */
-#define LOW_PORT 10000
+#define LOW_PORT 12000
 
 /**
  * Highest port used for GNUnet testing.  Should be low enough to not
  */
 #define HIGH_PORT 56000
 
-#define MAX_OUTSTANDING_CONNECTIONS 200
-
-#define MAX_CONCURRENT_HOSTKEYS 500
-
-#define MAX_CONCURRENT_STARTING 200
-
-#define MAX_CONCURRENT_SHUTDOWN 200
-
-#define CONNECT_TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 180)
-
-#define CONNECT_ATTEMPTS 30
+/* Maximum time to delay connect attempt */
+#define MAX_CONNECT_DELAY 300
 
 /**
  * Which list of peers do we need to modify?
@@ -87,21 +87,21 @@ enum PeerLists
  * Prototype of a function called whenever two peers would be connected
  * in a certain topology.
  */
-typedef unsigned int (*GNUNET_TESTING_ConnectionProcessor) (struct
-                                                            GNUNET_TESTING_PeerGroup
-                                                            * pg,
-                                                            unsigned int
-                                                            first,
-                                                            unsigned int
-                                                            second,
-                                                            enum PeerLists list);
-
+typedef unsigned int
+(*GNUNET_TESTING_ConnectionProcessor)(struct GNUNET_TESTING_PeerGroup * pg,
+                                      unsigned int first, unsigned int second,
+                                      enum PeerLists list, unsigned int check);
 
 /**
  * Context for handling churning a peer group
  */
 struct ChurnContext
 {
+  /**
+   * The peergroup we are dealing with.
+   */
+  struct GNUNET_TESTING_PeerGroup *pg;
+
   /**
    * Callback used to notify of churning finished
    */
@@ -162,9 +162,42 @@ struct RestartContext
 
 };
 
+struct SendHelloContext
+{
+  /**
+   * Global handle to the peer group.
+   */
+  struct GNUNET_TESTING_PeerGroup *pg;
+
+  /**
+   * The data about this specific peer.
+   */
+  struct PeerData *peer;
+
+  /**
+   * The next HELLO that needs sent to this peer.
+   */
+  struct PeerConnection *peer_pos;
+
+  /**
+   * Are we connected to CORE yet?
+   */
+  unsigned int core_ready;
+
+  /**
+   * How many attempts should we make for failed connections?
+   */
+  unsigned int connect_attempts;
+
+  /**
+   * Task for scheduling core connect requests to be sent.
+   */
+  GNUNET_SCHEDULER_TaskIdentifier core_connect_task;
+};
 
 struct ShutdownContext
 {
+  struct GNUNET_TESTING_PeerGroup *pg;
   /**
    * Total peers to wait for
    */
@@ -235,7 +268,6 @@ struct PeerRestartContext
   struct GNUNET_TESTING_Daemon *daemon;
 };
 
-
 struct CreateTopologyContext
 {
 
@@ -265,7 +297,6 @@ enum States
   OTHER_PEER_INDEX
 };
 
-
 #if OLD
 struct PeerConnection
 {
@@ -279,7 +310,6 @@ struct PeerConnection
    */
   struct PeerConnection *next;
 
-
   /*
    * Index of daemon in pg->peers
    */
@@ -345,6 +375,11 @@ struct InternalStartContext
 
 struct ChurnRestartContext
 {
+  /**
+   * PeerGroup that we are working with.
+   */
+  struct GNUNET_TESTING_PeerGroup *pg;
+
   /**
    * Number of restarts currently in flight.
    */
@@ -361,6 +396,23 @@ struct ChurnRestartContext
   struct GNUNET_TIME_Relative timeout;
 };
 
+struct OutstandingSSH
+{
+  struct OutstandingSSH *next;
+
+  struct OutstandingSSH *prev;
+
+  /**
+   * Number of current ssh connections.
+   */
+  uint32_t outstanding;
+
+  /**
+   * The hostname of this peer.
+   */
+  const char *hostname;
+};
+
 /**
  * Data we keep per peer.
  */
@@ -460,7 +512,6 @@ struct PeerData
   struct InternalStartContext internal_context;
 };
 
-
 /**
  * Linked list of per-host data.
  */
@@ -490,6 +541,11 @@ struct HostData
 
 struct TopologyIterateContext
 {
+  /**
+   * The peergroup we are working with.
+   */
+  struct GNUNET_TESTING_PeerGroup *pg;
+
   /**
    * Callback for notifying of two connected peers.
    */
@@ -518,6 +574,11 @@ struct TopologyIterateContext
 
 struct StatsIterateContext
 {
+  /**
+   * The peergroup that we are dealing with.
+   */
+  struct GNUNET_TESTING_PeerGroup *pg;
+
   /**
    * Continuation to call once all stats information has been retrieved.
    */
@@ -570,6 +631,44 @@ struct StatsCoreContext
   struct GNUNET_STATISTICS_GetHandle *stats_get_handle;
 };
 
+struct ConnectTopologyContext
+{
+  /**
+   * How many connections are left to create.
+   */
+  unsigned int remaining_connections;
+
+  /**
+   * Handle to group of peers.
+   */
+  struct GNUNET_TESTING_PeerGroup *pg;
+
+  /**
+   * How long to try this connection before timing out.
+   */
+  struct GNUNET_TIME_Relative connect_timeout;
+
+  /**
+   * How many times to retry connecting the two peers.
+   */
+  unsigned int connect_attempts;
+
+  /**
+   * Temp value set for each iteration.
+   */
+  //struct PeerData *first;
+
+  /**
+   * Notification that all peers are connected.
+   */
+  GNUNET_TESTING_NotifyCompletion notify_connections_done;
+
+  /**
+   * Closure for notify.
+   */
+  void *notify_cls;
+};
+
 /**
  * Handle to a group of GNUnet peers.
  */
@@ -635,67 +734,116 @@ struct GNUNET_TESTING_PeerGroup
    */
   unsigned int started;
 
+  /**
+   * Number of possible connections to peers
+   * at a time.
+   */
+  unsigned int max_outstanding_connections;
+
+  /**
+   * Number of ssh connections to peers (max).
+   */
+  unsigned int max_concurrent_ssh;
+
+  /**
+   * Number of connects we are waiting on, allows us to rate limit
+   * connect attempts.
+   */
+  unsigned int outstanding_connects;
+
+  /**
+   * Number of HELLOs we have yet to send.
+   */
+  unsigned int remaining_hellos;
+
+  /**
+   * How many connects have already been scheduled?
+   */
+  unsigned int total_connects_scheduled;
+
   /**
    * Hostkeys loaded from a file.
    */
   char *hostkey_data;
+
+  /**
+   * Head of DLL to keep track of the number of outstanding
+   * ssh connections per peer.
+   */
+  struct OutstandingSSH *ssh_head;
+
+  /**
+   * Tail of DLL to keep track of the number of outstanding
+   * ssh connections per peer.
+   */
+  struct OutstandingSSH *ssh_tail;
+
+  /**
+   * Stop scheduling peers connecting.
+   */
+  unsigned int stop_connects;
+
+  /**
+   * Connection context for peer group.
+   */
+  struct ConnectTopologyContext ct_ctx;
 };
 
 struct UpdateContext
 {
+  /**
+   * The altered configuration.
+   */
   struct GNUNET_CONFIGURATION_Handle *ret;
-  const struct GNUNET_CONFIGURATION_Handle *orig;
-  const char *hostname;
-  unsigned int nport;
-  unsigned int upnum;
-  unsigned int fdnum;
-};
 
-struct ConnectTopologyContext
-{
   /**
-   * How many connections are left to create.
+   * The original configuration to alter.
    */
-  unsigned int remaining_connections;
+  const struct GNUNET_CONFIGURATION_Handle *orig;
 
   /**
-   * Handle to group of peers.
+   * The hostname that this peer will run on.
    */
-  struct GNUNET_TESTING_PeerGroup *pg;
-
+  const char *hostname;
 
   /**
-   * Temp value set for each iteration.
+   * The next possible port to assign.
    */
-  //struct PeerData *first;
+  unsigned int nport;
 
   /**
-   * Notification that all peers are connected.
+   * Unique number for unix domain sockets.
    */
-  GNUNET_TESTING_NotifyCompletion notify_connections_done;
+  unsigned int upnum;
 
   /**
-   * Closure for notify.
+   * Unique number for this peer/host to offset
+   * things that are grouped by host.
    */
-  void *notify_cls;
+  unsigned int fdnum;
 };
 
 struct ConnectContext
 {
   /**
-   * Peer to connect second to.
+   * Index of peer to connect second to.
    */
-  struct GNUNET_TESTING_Daemon *first;
+  uint32_t first_index;
 
   /**
-   * Peer to connect first to.
+   * Index of peer to connect first to.
    */
-  struct GNUNET_TESTING_Daemon *second;
+  uint32_t second_index;
 
   /**
    * Higher level topology connection context.
    */
   struct ConnectTopologyContext *ct_ctx;
+
+  /**
+   * Whether this connection has been accounted for in the schedule_connect call.
+   */
+  int counted;
 };
 
 struct UnblacklistContext
@@ -801,6 +949,25 @@ struct DFSContext
   unsigned int current;
 };
 
+/**
+ * Simple struct to keep track of progress, and print a
+ * nice little percentage meter for long running tasks.
+ */
+struct ProgressMeter
+{
+  unsigned int total;
+
+  unsigned int modnum;
+
+  unsigned int dotnum;
+
+  unsigned int completed;
+
+  int print;
+
+  char *startup_string;
+};
+
 #if !OLD
 /**
  * Convert unique ID to hash code.
@@ -810,10 +977,10 @@ struct DFSContext
  */
 static void
 hash_from_uid (uint32_t uid, GNUNET_HashCode * hash)
-{
-  memset (hash, 0, sizeof (GNUNET_HashCode));
-  *((uint32_t *) hash) = uid;
-}
+  {
+    memset (hash, 0, sizeof (GNUNET_HashCode));
+    *((uint32_t *) hash) = uid;
+  }
 
 /**
  * Convert hash code to unique ID.
@@ -823,16 +990,114 @@ hash_from_uid (uint32_t uid, GNUNET_HashCode * hash)
  */
 static void
 uid_from_hash (const GNUNET_HashCode * hash, uint32_t * uid)
+  {
+    memcpy (uid, hash, sizeof (uint32_t));
+  }
+#endif
+
+#if USE_SEND_HELLOS
+static struct GNUNET_CORE_MessageHandler no_handlers[] =
+  {
+      { NULL, 0, 0}};
+#endif
+
+/**
+ * Create a meter to keep track of the progress of some task.
+ *
+ * @param total the total number of items to complete
+ * @param start_string a string to prefix the meter with (if printing)
+ * @param print GNUNET_YES to print the meter, GNUNET_NO to count
+ *              internally only
+ *
+ * @return the progress meter
+ */
+static struct ProgressMeter *
+create_meter(unsigned int total, char * start_string, int print)
 {
-  memcpy (uid, hash, sizeof (uint32_t));
+  struct ProgressMeter *ret;
+  ret = GNUNET_malloc(sizeof(struct ProgressMeter));
+  ret->print = print;
+  ret->total = total;
+  ret->modnum = total / 4;
+  if (ret->modnum == 0) /* Divide by zero check */
+    ret->modnum = 1;
+  ret->dotnum = (total / 50) + 1;
+  if (start_string != NULL)
+    ret->startup_string = GNUNET_strdup(start_string);
+  else
+    ret->startup_string = GNUNET_strdup("");
+
+  return ret;
+}
+
+/**
+ * Update progress meter (increment by one).
+ *
+ * @param meter the meter to update and print info for
+ *
+ * @return GNUNET_YES if called the total requested,
+ *         GNUNET_NO if more items expected
+ */
+static int
+update_meter(struct ProgressMeter *meter)
+{
+  if (meter->print == GNUNET_YES)
+    {
+      if (meter->completed % meter->modnum == 0)
+        {
+          if (meter->completed == 0)
+            {
+              fprintf (stdout, "%sProgress: [0%%", meter->startup_string);
+            }
+          else
+            fprintf (stdout, "%d%%", (int) (((float) meter->completed
+                / meter->total) * 100));
+        }
+      else if (meter->completed % meter->dotnum == 0)
+        fprintf (stdout, ".");
+
+      if (meter->completed + 1 == meter->total)
+        fprintf (stdout, "%d%%]\n", 100);
+      fflush (stdout);
+    }
+  meter->completed++;
+
+  if (meter->completed == meter->total)
+    return GNUNET_YES;
+  if (meter->completed > meter->total)
+    GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Progress meter overflow!!\n");
+  return GNUNET_NO;
+}
+
+/**
+ * Reset progress meter.
+ *
+ * @param meter the meter to reset
+ *
+ * @return GNUNET_YES if meter reset,
+ *         GNUNET_SYSERR on error
+ */
+static int
+reset_meter(struct ProgressMeter *meter)
+{
+  if (meter == NULL)
+    return GNUNET_SYSERR;
+
+  meter->completed = 0;
+  return GNUNET_YES;
 }
-#endif
 
 /**
- * Number of connects we are waiting on, allows us to rate limit
- * connect attempts.
+ * Release resources for meter
+ *
+ * @param meter the meter to free
  */
-static int outstanding_connects;
+static void
+free_meter(struct ProgressMeter *meter)
+{
+  GNUNET_free_non_null (meter->startup_string);
+  GNUNET_free (meter);
+}
 
 /**
  * Get a topology from a string input.
@@ -844,71 +1109,71 @@ static int outstanding_connects;
  *         known topology, GNUNET_NO if not
  */
 int
-GNUNET_TESTING_topology_get (enum GNUNET_TESTING_Topology *topology,
-                             const char *topology_string)
+GNUNET_TESTING_topology_get(enum GNUNET_TESTING_Topology *topology,
+                            const char *topology_string)
 {
   /**
    * Strings representing topologies in enum
    */
-  static const char *topology_strings[] = {
-      /**
-       * A clique (everyone connected to everyone else).
-       */
+  static const char *topology_strings[] =
+    {
+    /**
+     * A clique (everyone connected to everyone else).
+     */
     "CLIQUE",
 
-      /**
-       * Small-world network (2d torus plus random links).
-       */
+    /**
+     * Small-world network (2d torus plus random links).
+     */
     "SMALL_WORLD",
 
-      /**
-       * Small-world network (ring plus random links).
-       */
+    /**
+     * Small-world network (ring plus random links).
+     */
     "SMALL_WORLD_RING",
 
-      /**
-       * Ring topology.
-       */
+    /**
+     * Ring topology.
+     */
     "RING",
 
-      /**
-       * 2-d torus.
-       */
+    /**
+     * 2-d torus.
+     */
     "2D_TORUS",
 
-      /**
-       * Random graph.
-       */
+    /**
+     * Random graph.
+     */
     "ERDOS_RENYI",
 
-      /**
-       * Certain percentage of peers are unable to communicate directly
-       * replicating NAT conditions
-       */
+    /**
+     * Certain percentage of peers are unable to communicate directly
+     * replicating NAT conditions
+     */
     "INTERNAT",
 
-      /**
-       * Scale free topology.
-       */
+    /**
+     * Scale free topology.
+     */
     "SCALE_FREE",
 
-      /**
-       * Straight line topology.
-       */
+    /**
+     * Straight line topology.
+     */
     "LINE",
 
-      /**
-       * All peers are disconnected.
-       */
+    /**
+     * All peers are disconnected.
+     */
     "NONE",
 
-      /**
-       * Read the topology from a file.
-       */
+    /**
+     * Read the topology from a file.
+     */
     "FROM_FILE",
 
-    NULL
-  };
+    NULL };
 
   int curr = 0;
   if (topology_string == NULL)
@@ -926,7 +1191,6 @@ GNUNET_TESTING_topology_get (enum GNUNET_TESTING_Topology *topology,
   return GNUNET_NO;
 }
 
-
 /**
  * Get connect topology option from string input.
  *
@@ -937,51 +1201,51 @@ GNUNET_TESTING_topology_get (enum GNUNET_TESTING_Topology *topology,
  *         topology option, GNUNET_NO if not
  */
 int
-GNUNET_TESTING_topology_option_get (enum GNUNET_TESTING_TopologyOption
-                                    *topology_option,
-                                    const char *topology_string)
+GNUNET_TESTING_topology_option_get(
+                                   enum GNUNET_TESTING_TopologyOption *topology_option,
+                                   const char *topology_string)
 {
   /**
    * Options for connecting a topology as strings.
    */
-  static const char *topology_option_strings[] = {
-      /**
-       * Try to connect all peers specified in the topology.
-       */
+  static const char *topology_option_strings[] =
+    {
+    /**
+     * Try to connect all peers specified in the topology.
+     */
     "CONNECT_ALL",
 
-      /**
-       * Choose a random subset of connections to create.
-       */
+    /**
+     * Choose a random subset of connections to create.
+     */
     "CONNECT_RANDOM_SUBSET",
 
-      /**
-       * Create at least X connections for each peer.
-       */
+    /**
+     * Create at least X connections for each peer.
+     */
     "CONNECT_MINIMUM",
 
-      /**
-       * Using a depth first search, create one connection
-       * per peer.  If any are missed (graph disconnected)
-       * start over at those peers until all have at least one
-       * connection.
-       */
+    /**
+     * Using a depth first search, create one connection
+     * per peer.  If any are missed (graph disconnected)
+     * start over at those peers until all have at least one
+     * connection.
+     */
     "CONNECT_DFS",
 
-      /**
-       * Find the N closest peers to each allowed peer in the
-       * topology and make sure a connection to those peers
-       * exists in the connect topology.
-       */
+    /**
+     * Find the N closest peers to each allowed peer in the
+     * topology and make sure a connection to those peers
+     * exists in the connect topology.
+     */
     "CONNECT_CLOSEST",
 
-      /**
-       * No options specified.
-       */
+    /**
+     * No options specified.
+     */
     "CONNECT_NONE",
 
-    NULL
-  };
+    NULL };
   int curr = 0;
 
   if (topology_string == NULL)
@@ -1010,8 +1274,8 @@ GNUNET_TESTING_topology_option_get (enum GNUNET_TESTING_TopologyOption
  * @param value value of the option
  */
 static void
-update_config (void *cls,
-               const char *section, const char *option, const char *value)
+update_config(void *cls, const char *section, const char *option,
+              const char *value)
 {
   struct UpdateContext *ctx = cls;
   unsigned int ival;
@@ -1021,59 +1285,63 @@ update_config (void *cls,
   char *per_host_variable;
   unsigned long long num_per_host;
 
+  GNUNET_asprintf (&single_variable, "single_%s_per_host", section);
+  GNUNET_asprintf (&per_host_variable, "num_%s_per_host", section);
+
   if ((0 == strcmp (option, "PORT")) && (1 == sscanf (value, "%u", &ival)))
     {
-      GNUNET_asprintf (&single_variable, "single_%s_per_host", section);
-      if ((ival != 0)
-          && (GNUNET_YES !=
-              GNUNET_CONFIGURATION_get_value_yesno (ctx->orig, "testing",
-                                                    single_variable)))
+      if ((ival != 0) && (GNUNET_YES
+          != GNUNET_CONFIGURATION_get_value_yesno (ctx->orig, "testing",
+                                                   single_variable)))
         {
-          GNUNET_snprintf (cval, sizeof (cval), "%u", ctx->nport++);
+          GNUNET_snprintf (cval, sizeof(cval), "%u", ctx->nport++);
+          value = cval;
+        }
+      else if ((ival != 0) && (GNUNET_YES
+          == GNUNET_CONFIGURATION_get_value_yesno (ctx->orig, "testing",
+                                                   single_variable))
+          && GNUNET_CONFIGURATION_get_value_number (ctx->orig, "testing",
+                                                    per_host_variable,
+                                                    &num_per_host))
+        {
+          GNUNET_snprintf (cval, sizeof(cval), "%u", ival + ctx->fdnum
+              % num_per_host);
           value = cval;
         }
-
-      GNUNET_free (single_variable);
     }
 
   if (0 == strcmp (option, "UNIXPATH"))
     {
-      GNUNET_asprintf (&single_variable, "single_%s_per_host", section);
-      GNUNET_asprintf (&per_host_variable, "num_%s_per_host", section);
-      if (GNUNET_YES !=
-          GNUNET_CONFIGURATION_get_value_yesno (ctx->orig, "testing",
-                                                single_variable))
+      if (GNUNET_YES != GNUNET_CONFIGURATION_get_value_yesno (ctx->orig,
+                                                              "testing",
+                                                              single_variable))
         {
-          GNUNET_snprintf (uval,
-                           sizeof (uval),
-                           "/tmp/test-service-%s-%u", section, ctx->upnum++);
+          GNUNET_snprintf (uval, sizeof(uval), "/tmp/test-service-%s-%u",
+                           section, ctx->upnum++);
           value = uval;
         }
-      else if ((GNUNET_YES ==
-               GNUNET_CONFIGURATION_get_value_number (ctx->orig, "testing",
-                                                      per_host_variable,
-                                                      &num_per_host)) && (num_per_host > 0))
+      else if ((GNUNET_YES
+          == GNUNET_CONFIGURATION_get_value_number (ctx->orig, "testing",
+                                                    per_host_variable,
+                                                    &num_per_host))
+          && (num_per_host > 0))
 
         {
-          GNUNET_snprintf (uval,
-                           sizeof (uval),
-                           "/tmp/test-service-%s-%u",
+          GNUNET_snprintf (uval, sizeof(uval), "/tmp/test-service-%s-%u",
                            section, ctx->fdnum % num_per_host);
           value = uval;
         }
-      GNUNET_free (single_variable);
-      GNUNET_free (per_host_variable);
     }
 
   if ((0 == strcmp (option, "HOSTNAME")) && (ctx->hostname != NULL))
     {
       value = ctx->hostname;
     }
-
+  GNUNET_free (single_variable);
+  GNUNET_free (per_host_variable);
   GNUNET_CONFIGURATION_set_value_string (ctx->ret, section, option, value);
 }
 
-
 /**
  * Create a new configuration using the given configuration
  * as a template; however, each PORT in the existing cfg
@@ -1081,6 +1349,7 @@ update_config (void *cls,
  * out of "*port" numbers, return NULL.
  *
  * @param cfg template configuration
+ * @param off the current peer offset
  * @param port port numbers to use, update to reflect
  *             port numbers that were used
  * @param upnum number to make unix domain socket names unique
@@ -1091,9 +1360,9 @@ update_config (void *cls,
  * @return new configuration, NULL on error
  */
 static struct GNUNET_CONFIGURATION_Handle *
-make_config (const struct GNUNET_CONFIGURATION_Handle *cfg,
-             uint16_t * port,
-             uint32_t * upnum, const char *hostname, uint32_t * fdnum)
+make_config(const struct GNUNET_CONFIGURATION_Handle *cfg, uint32_t off,
+            uint16_t * port, uint32_t * upnum, const char *hostname,
+            uint32_t * fdnum)
 {
   struct UpdateContext uc;
   uint16_t orig;
@@ -1116,8 +1385,8 @@ make_config (const struct GNUNET_CONFIGURATION_Handle *cfg,
       return NULL;
     }
 
-  if (GNUNET_CONFIGURATION_get_value_string
-      (cfg, "testing", "control_host", &control_host) == GNUNET_OK)
+  if (GNUNET_CONFIGURATION_get_value_string (cfg, "testing", "control_host",
+                                             &control_host) == GNUNET_OK)
     {
       if (hostname != NULL)
         GNUNET_asprintf (&allowed_hosts, "%s; 127.0.0.1; %s;", control_host,
@@ -1127,44 +1396,55 @@ make_config (const struct GNUNET_CONFIGURATION_Handle *cfg,
 
       GNUNET_CONFIGURATION_set_value_string (uc.ret, "core", "ACCEPT_FROM",
                                              allowed_hosts);
-      GNUNET_CONFIGURATION_set_value_string (uc.ret, "core", "UNIXPATH",
-                                             "");
       GNUNET_CONFIGURATION_set_value_string (uc.ret, "transport",
                                              "ACCEPT_FROM", allowed_hosts);
-      GNUNET_CONFIGURATION_set_value_string (uc.ret, "transport", "UNIXPATH",
-                                             "");
       GNUNET_CONFIGURATION_set_value_string (uc.ret, "dht", "ACCEPT_FROM",
                                              allowed_hosts);
-      GNUNET_CONFIGURATION_set_value_string (uc.ret, "dht", "UNIXPATH",
-                                             "");
       GNUNET_CONFIGURATION_set_value_string (uc.ret, "statistics",
                                              "ACCEPT_FROM", allowed_hosts);
+
+      GNUNET_CONFIGURATION_set_value_string (uc.ret, "core", "UNIXPATH", "");
+      GNUNET_CONFIGURATION_set_value_string (uc.ret, "transport", "UNIXPATH",
+                                             "");
+      GNUNET_CONFIGURATION_set_value_string (uc.ret, "dht", "UNIXPATH", "");
       GNUNET_CONFIGURATION_set_value_string (uc.ret, "statistics", "UNIXPATH",
                                              "");
+
+      GNUNET_CONFIGURATION_set_value_string (uc.ret, "transport-tcp", "USE_LOCALADDR",
+                                             "YES");
+      GNUNET_CONFIGURATION_set_value_string (uc.ret, "transport-udp", "USE_LOCALADDR",
+                                             "YES");
       GNUNET_free_non_null (control_host);
       GNUNET_free (allowed_hosts);
     }
 
-
   /* arm needs to know to allow connections from the host on which it is running,
    * otherwise gnunet-arm is unable to connect to it in some instances */
   if (hostname != NULL)
     {
       GNUNET_asprintf (&allowed_hosts, "%s; 127.0.0.1;", hostname);
-      GNUNET_CONFIGURATION_set_value_string (uc.ret, "transport-udp",
-                                             "BINDTO", hostname);
-      GNUNET_CONFIGURATION_set_value_string (uc.ret, "transport-tcp",
-                                             "BINDTO", hostname);
+      GNUNET_CONFIGURATION_set_value_string (uc.ret, "transport-udp", "BINDTO",
+                                             hostname);
+      GNUNET_CONFIGURATION_set_value_string (uc.ret, "transport-tcp", "BINDTO",
+                                             hostname);
+      GNUNET_CONFIGURATION_set_value_string (uc.ret, "transport-tcp", "USE_LOCALADDR",
+                                             "YES");
+      GNUNET_CONFIGURATION_set_value_string (uc.ret, "transport-udp", "USE_LOCALADDR",
+                                             "YES");
       GNUNET_CONFIGURATION_set_value_string (uc.ret, "arm", "ACCEPT_FROM",
                                              allowed_hosts);
       GNUNET_free (allowed_hosts);
     }
   else
     {
-      GNUNET_CONFIGURATION_set_value_string (uc.ret, "transport-tcp",
-                                             "BINDTO", "127.0.0.1");
-      GNUNET_CONFIGURATION_set_value_string (uc.ret, "transport-udp",
-                                             "BINDTO", "127.0.0.1");
+      GNUNET_CONFIGURATION_set_value_string (uc.ret, "transport-tcp", "BINDTO",
+                                             "127.0.0.1");
+      GNUNET_CONFIGURATION_set_value_string (uc.ret, "transport-udp", "BINDTO",
+                                             "127.0.0.1");
+      GNUNET_CONFIGURATION_set_value_string (uc.ret, "transport-tcp", "USE_LOCALADDR",
+                                             "YES");
+      GNUNET_CONFIGURATION_set_value_string (uc.ret, "transport-udp", "USE_LOCALADDR",
+                                             "YES");
     }
 
   *port = (uint16_t) uc.nport;
@@ -1175,20 +1455,20 @@ make_config (const struct GNUNET_CONFIGURATION_Handle *cfg,
 }
 
 /*
- * Add entries to the some list
+ * Remove entries from the peer connection list
  *
  * @param pg the peer group we are working with
  * @param first index of the first peer
  * @param second index of the second peer
  * @param list the peer list to use
+ * @param check UNUSED
  *
  * @return the number of connections added (can be 0, 1 or 2)
  *
  */
 static unsigned int
-remove_connections (struct GNUNET_TESTING_PeerGroup *pg,
-                   unsigned int first, unsigned int second,
-                   enum PeerLists list)
+remove_connections(struct GNUNET_TESTING_PeerGroup *pg, unsigned int first,
+                   unsigned int second, enum PeerLists list, unsigned int check)
 {
   int removed;
 #if OLD
@@ -1210,7 +1490,7 @@ remove_connections (struct GNUNET_TESTING_PeerGroup *pg,
   removed = 0;
 #if OLD
   switch (list)
-  {
+    {
   case ALLOWED:
     first_list = &pg->peers[first].allowed_peers_head;
     second_list = &pg->peers[second].allowed_peers_head;
@@ -1237,7 +1517,8 @@ remove_connections (struct GNUNET_TESTING_PeerGroup *pg,
     break;
   default:
     GNUNET_break(0);
-  }
+    return 0;
+    }
 
   first_iter = *first_list;
   while (first_iter != NULL)
@@ -1267,18 +1548,18 @@ remove_connections (struct GNUNET_TESTING_PeerGroup *pg,
 #else
   if (GNUNET_YES ==
       GNUNET_CONTAINER_multihashmap_contains (pg->peers[first].blacklisted_peers,
-                                              &hash_second))
+          &hash_second))
     {
       GNUNET_CONTAINER_multihashmap_remove_all (pg->peers[first].blacklisted_peers,
-                                                &hash_second);
+          &hash_second);
     }
 
   if (GNUNET_YES ==
       GNUNET_CONTAINER_multihashmap_contains (pg->peers[second].blacklisted_peers,
-                                              &hash_first))
+          &hash_first))
     {
       GNUNET_CONTAINER_multihashmap_remove_all (pg->peers[second].blacklisted_peers,
-                                                &hash_first);
+          &hash_first);
     }
 #endif
 
@@ -1292,19 +1573,20 @@ remove_connections (struct GNUNET_TESTING_PeerGroup *pg,
  * @param first index of the first peer
  * @param second index of the second peer
  * @param list the list type that we should modify
+ * @param check GNUNET_YES to check lists before adding
+ *              GNUNET_NO to force add
  *
  * @return the number of connections added (can be 0, 1 or 2)
  *
  */
 static unsigned int
-add_connections (struct GNUNET_TESTING_PeerGroup *pg,
-                 unsigned int first, unsigned int second,
-                 enum PeerLists list)
+add_connections(struct GNUNET_TESTING_PeerGroup *pg, unsigned int first,
+                unsigned int second, enum PeerLists list, unsigned int check)
 {
   int added;
   int add_first;
   int add_second;
-#if OLD
+
   struct PeerConnection **first_list;
   struct PeerConnection **second_list;
   struct PeerConnection *first_iter;
@@ -1313,19 +1595,10 @@ add_connections (struct GNUNET_TESTING_PeerGroup *pg,
   struct PeerConnection *new_second;
   struct PeerConnection **first_tail;
   struct PeerConnection **second_tail;
-#else
-  GNUNET_HashCode hash_first;
-  GNUNET_HashCode hash_second;
-
-  hash_from_uid (first, &hash_first);
-  hash_from_uid (second, &hash_second);
-#endif
 
-#if OLD
   switch (list)
-  {
+    {
   case ALLOWED:
-    GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Adding to ALLOWED\n");
     first_list = &pg->peers[first].allowed_peers_head;
     second_list = &pg->peers[second].allowed_peers_head;
     first_tail = &pg->peers[first].allowed_peers_tail;
@@ -1351,93 +1624,52 @@ add_connections (struct GNUNET_TESTING_PeerGroup *pg,
     break;
   default:
     GNUNET_break(0);
-  }
+    return 0;
+    }
 
   add_first = GNUNET_YES;
   add_second = GNUNET_YES;
 
-  first_iter = *first_list;
-  while (first_iter != NULL)
+  if (check == GNUNET_YES)
     {
-      if (first_iter->index == second)
+      first_iter = *first_list;
+      while (first_iter != NULL)
         {
-          add_first = GNUNET_NO;
-          break;
+          if (first_iter->index == second)
+            {
+              add_first = GNUNET_NO;
+              break;
+            }
+          first_iter = first_iter->next;
         }
-      first_iter = first_iter->next;
-    }
 
-  second_iter = *second_list;
-  while (second_iter != NULL)
-    {
-      if (second_iter->index == first)
+      second_iter = *second_list;
+      while (second_iter != NULL)
         {
-          add_second = GNUNET_NO;
-          break;
+          if (second_iter->index == first)
+            {
+              add_second = GNUNET_NO;
+              break;
+            }
+          second_iter = second_iter->next;
         }
-      second_iter = second_iter->next;
     }
-#else
-  if (GNUNET_NO ==
-      GNUNET_CONTAINER_multihashmap_contains (pg->peers[first].blacklisted_peers,
-                                              &hash_second))
-    {
-      add_first = GNUNET_YES;
-    }
-
-  if (GNUNET_NO ==
-      GNUNET_CONTAINER_multihashmap_contains (pg->peers[second].blacklisted_peers,
-                                              &hash_first))
-    {
-      add_second = GNUNET_YES;
-    }
-#endif
 
   added = 0;
   if (add_first)
     {
-#if OLD
-      GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Adding peer %d to %d\n", second, first);
       new_first = GNUNET_malloc (sizeof (struct PeerConnection));
       new_first->index = second;
       GNUNET_CONTAINER_DLL_insert(*first_list, *first_tail, new_first);
-      /*
-      new_first->next = *first_list;
-      *first_list = new_first;*/
-#else
-      GNUNET_assert (GNUNET_OK ==
-                           GNUNET_CONTAINER_multihashmap_put (pg->
-                                                              peers
-                                                              [first].blacklisted_peers,
-                                                              &hash_second,
-                                                              pg->
-                                                              peers[second].daemon,
-                                                              GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY));
-#endif
       pg->peers[first].num_connections++;
       added++;
     }
 
   if (add_second)
     {
-#if OLD
       new_second = GNUNET_malloc (sizeof (struct PeerConnection));
       new_second->index = first;
       GNUNET_CONTAINER_DLL_insert(*second_list, *second_tail, new_second);
-      /*
-      new_second->next = *second_list;
-      *second_list = new_second;
-      *second_list */
-#else
-      GNUNET_assert (GNUNET_OK ==
-                     GNUNET_CONTAINER_multihashmap_put (pg->
-                                                        peers
-                                                        [second].blacklisted_peers,
-                                                        &hash_first,
-                                                        pg->
-                                                        peers[first].daemon,
-                                                        GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY));
-#endif
       pg->peers[second].num_connections++;
       added++;
     }
@@ -1445,7 +1677,6 @@ add_connections (struct GNUNET_TESTING_PeerGroup *pg,
   return added;
 }
 
-
 /**
  * Scale free network construction as described in:
  *
@@ -1458,12 +1689,13 @@ add_connections (struct GNUNET_TESTING_PeerGroup *pg,
  *
  * @param pg the peer group we are dealing with
  * @param proc the connection processor to use
+ * @param list the peer list to use
  *
  * @return the number of connections created
  */
 static unsigned int
-create_scale_free (struct GNUNET_TESTING_PeerGroup *pg,
-                   GNUNET_TESTING_ConnectionProcessor proc, enum PeerLists list)
+create_scale_free(struct GNUNET_TESTING_PeerGroup *pg,
+                  GNUNET_TESTING_ConnectionProcessor proc, enum PeerLists list)
 {
 
   unsigned int total_connections;
@@ -1476,32 +1708,31 @@ create_scale_free (struct GNUNET_TESTING_PeerGroup *pg,
   GNUNET_assert (pg->total > 1);
 
   /* Add a connection between the first two nodes */
-  total_connections = proc (pg, 0, 1, list);
+  total_connections = proc (pg, 0, 1, list, GNUNET_YES);
 
   for (outer_count = 1; outer_count < pg->total; outer_count++)
     {
       previous_total_connections = total_connections;
       for (i = 0; i < outer_count; i++)
         {
-          probability =
-            pg->peers[i].num_connections /
-            (double) previous_total_connections;
-          random =
-            ((double)
-             GNUNET_CRYPTO_random_u64 (GNUNET_CRYPTO_QUALITY_WEAK,
-                                       UINT64_MAX)) / ((double) UINT64_MAX);
+          probability = pg->peers[i].num_connections
+              / (double) previous_total_connections;
+          random
+              = ((double) GNUNET_CRYPTO_random_u64 (GNUNET_CRYPTO_QUALITY_WEAK,
+                                                    UINT64_MAX))
+                  / ((double) UINT64_MAX);
 #if VERBOSE_TESTING
           GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                      "Considering connecting peer %d to peer %d\n",
-                      outer_count, i);
+              "Considering connecting peer %d to peer %d\n",
+              outer_count, i);
 #endif
           if (random < probability)
             {
 #if VERBOSE_TESTING
               GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                          "Connecting peer %d to peer %d\n", outer_count, i);
+                  "Connecting peer %d to peer %d\n", outer_count, i);
 #endif
-              total_connections += proc (pg, outer_count, i, list);
+              total_connections += proc (pg, outer_count, i, list, GNUNET_YES);
             }
         }
     }
@@ -1531,13 +1762,15 @@ create_scale_free (struct GNUNET_TESTING_PeerGroup *pg,
  * @param pg the peergroup to create the topology on
  * @param proc the connection processor to call to actually set
  *        up connections between two peers
+ * @param list the peer list to use
  *
  * @return the number of connections that were set up
  *
  */
 static unsigned int
-create_small_world_ring (struct GNUNET_TESTING_PeerGroup *pg,
-                         GNUNET_TESTING_ConnectionProcessor proc, enum PeerLists list)
+create_small_world_ring(struct GNUNET_TESTING_PeerGroup *pg,
+                        GNUNET_TESTING_ConnectionProcessor proc,
+                        enum PeerLists list)
 {
   unsigned int i, j;
   int nodeToConnect;
@@ -1552,27 +1785,27 @@ create_small_world_ring (struct GNUNET_TESTING_PeerGroup *pg,
   unsigned int useAnd;
   int connect_attempts;
 
-  logNModifier = 0.5;           /* FIXME: default value? */
-  if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_string (pg->cfg,
-                                                          "TESTING",
+  logNModifier = 0.5; /* FIXME: default value? */
+  if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_string (pg->cfg, "TESTING",
                                                           "PERCENTAGE",
                                                           &p_string))
     {
       if (sscanf (p_string, "%lf", &logNModifier) != 1)
-        GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+        GNUNET_log (
+                    GNUNET_ERROR_TYPE_WARNING,
                     _
                     ("Invalid value `%s' for option `%s' in section `%s': expected float\n"),
                     p_string, "LOGNMODIFIER", "TESTING");
       GNUNET_free (p_string);
     }
-  probability = 0.5;             /* FIXME: default percentage? */
-  if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_string (pg->cfg,
-                                                          "TESTING",
+  probability = 0.5; /* FIXME: default percentage? */
+  if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_string (pg->cfg, "TESTING",
                                                           "PROBABILITY",
                                                           &p_string))
     {
       if (sscanf (p_string, "%lf", &probability) != 1)
-        GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+        GNUNET_log (
+                    GNUNET_ERROR_TYPE_WARNING,
                     _
                     ("Invalid value `%s' for option `%s' in section `%s': expected float\n"),
                     p_string, "PERCENTAGE", "TESTING");
@@ -1584,7 +1817,8 @@ create_small_world_ring (struct GNUNET_TESTING_PeerGroup *pg,
   if (connsPerPeer % 2 == 1)
     connsPerPeer += 1;
 
-  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, _("Target is %d connections per peer."), connsPerPeer);
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, _("Target is %d connections per peer."),
+              connsPerPeer);
 
   smallWorldConnections = 0;
   connect_attempts = 0;
@@ -1608,26 +1842,26 @@ create_small_world_ring (struct GNUNET_TESTING_PeerGroup *pg,
 
       for (j = 0; j < connsPerPeer / 2; j++)
         {
-          random =
-            ((double)
-             GNUNET_CRYPTO_random_u64 (GNUNET_CRYPTO_QUALITY_WEAK,
-                                       UINT64_MAX) / ((double) UINT64_MAX));
+          random
+              = ((double) GNUNET_CRYPTO_random_u64 (GNUNET_CRYPTO_QUALITY_WEAK,
+                                                    UINT64_MAX)
+                  / ((double) UINT64_MAX));
           if (random < probability)
             {
               /* Connect to uniformly selected random peer */
-              randomPeer =
-                GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK,
-                                          pg->total);
-              while ((((randomPeer < max) && (randomPeer > min))
-                      && (useAnd == 0)) || (((randomPeer > min)
-                                             || (randomPeer < max))
-                                            && (useAnd == 1)))
-                {
-                  randomPeer =
-                    GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK,
+              randomPeer
+                  = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK,
                                               pg->total);
+              while ((((randomPeer < max) && (randomPeer > min)) && (useAnd
+                  == 0)) || (((randomPeer > min) || (randomPeer < max))
+                  && (useAnd == 1)))
+                {
+                  randomPeer
+                      = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK,
+                                                  pg->total);
                 }
-              smallWorldConnections += proc (pg, i, randomPeer, list);
+              smallWorldConnections += proc (pg, i, randomPeer, list,
+                                             GNUNET_YES);
             }
           else
             {
@@ -1636,7 +1870,7 @@ create_small_world_ring (struct GNUNET_TESTING_PeerGroup *pg,
                 {
                   nodeToConnect = nodeToConnect - pg->total;
                 }
-              connect_attempts += proc (pg, i, nodeToConnect, list);
+              connect_attempts += proc (pg, i, nodeToConnect, list, GNUNET_YES);
             }
         }
 
@@ -1654,13 +1888,15 @@ create_small_world_ring (struct GNUNET_TESTING_PeerGroup *pg,
  * @param pg the peergroup to create the topology on
  * @param proc the connection processor to call to actually set
  *        up connections between two peers
+ * @param list the peer list to use
  *
  * @return the number of connections that were set up
  *
  */
 static unsigned int
-create_nated_internet (struct GNUNET_TESTING_PeerGroup *pg,
-                       GNUNET_TESTING_ConnectionProcessor proc, enum PeerLists list)
+create_nated_internet(struct GNUNET_TESTING_PeerGroup *pg,
+                      GNUNET_TESTING_ConnectionProcessor proc,
+                      enum PeerLists list)
 {
   unsigned int outer_count, inner_count;
   unsigned int cutoff;
@@ -1668,46 +1904,118 @@ create_nated_internet (struct GNUNET_TESTING_PeerGroup *pg,
   double nat_percentage;
   char *p_string;
 
-  nat_percentage = 0.6;         /* FIXME: default percentage? */
-  if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_string (pg->cfg,
-                                                          "TESTING",
+  nat_percentage = 0.6; /* FIXME: default percentage? */
+  if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_string (pg->cfg, "TESTING",
                                                           "PERCENTAGE",
                                                           &p_string))
     {
       if (sscanf (p_string, "%lf", &nat_percentage) != 1)
-        GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+        GNUNET_log (
+                    GNUNET_ERROR_TYPE_WARNING,
                     _
                     ("Invalid value `%s' for option `%s' in section `%s': expected float\n"),
                     p_string, "PERCENTAGE", "TESTING");
       GNUNET_free (p_string);
     }
 
+  cutoff = (unsigned int) (nat_percentage * pg->total);
+  connect_attempts = 0;
+  for (outer_count = 0; outer_count < pg->total - 1; outer_count++)
+    {
+      for (inner_count = outer_count + 1; inner_count < pg->total; inner_count++)
+        {
+          if ((outer_count > cutoff) || (inner_count > cutoff))
+            {
+#if VERBOSE_TESTING
+              GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+                  "Connecting peer %d to peer %d\n",
+                  outer_count, inner_count);
+#endif
+              connect_attempts += proc (pg, outer_count, inner_count, list,
+                                        GNUNET_YES);
+            }
+        }
+    }
+  return connect_attempts;
+}
+
+#if TOPOLOGY_HACK
+/**
+ * Create a topology given a peer group (set of running peers)
+ * and a connection processor.
+ *
+ * @param pg the peergroup to create the topology on
+ * @param proc the connection processor to call to actually set
+ *        up connections between two peers
+ * @param list the peer list to use
+ *
+ * @return the number of connections that were set up
+ *
+ */
+static unsigned int
+create_nated_internet_copy(struct GNUNET_TESTING_PeerGroup *pg,
+                           GNUNET_TESTING_ConnectionProcessor proc,
+                           enum PeerLists list)
+{
+  unsigned int outer_count, inner_count;
+  unsigned int cutoff;
+  int connect_attempts;
+  double nat_percentage;
+  char *p_string;
+  unsigned int count;
+  struct ProgressMeter *conn_meter;
 
+  nat_percentage = 0.6; /* FIXME: default percentage? */
+  if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_string (pg->cfg, "TESTING",
+                                                          "PERCENTAGE",
+                                                          &p_string))
+    {
+      if (sscanf (p_string, "%lf", &nat_percentage) != 1)
+        GNUNET_log (
+                    GNUNET_ERROR_TYPE_WARNING,
+                    _
+                    ("Invalid value `%s' for option `%s' in section `%s': expected float\n"),
+                    p_string, "PERCENTAGE", "TESTING");
+      GNUNET_free (p_string);
+    }
 
   cutoff = (unsigned int) (nat_percentage * pg->total);
-
+  count = 0;
+  for (outer_count = 0; outer_count < pg->total - 1; outer_count++)
+    {
+      for (inner_count = outer_count + 1; inner_count < pg->total; inner_count++)
+        {
+          if ((outer_count > cutoff) || (inner_count > cutoff))
+            {
+              count++;
+            }
+        }
+    }
+  conn_meter = create_meter (count, "NAT COPY", GNUNET_YES);
   connect_attempts = 0;
-
   for (outer_count = 0; outer_count < pg->total - 1; outer_count++)
     {
-      for (inner_count = outer_count + 1; inner_count < pg->total;
-           inner_count++)
+      for (inner_count = outer_count + 1; inner_count < pg->total; inner_count++)
         {
           if ((outer_count > cutoff) || (inner_count > cutoff))
             {
 #if VERBOSE_TESTING
               GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                          "Connecting peer %d to peer %d\n",
-                          outer_count, inner_count);
+                  "Connecting peer %d to peer %d\n",
+                  outer_count, inner_count);
 #endif
-              connect_attempts += proc (pg, outer_count, inner_count, list);
+              connect_attempts += proc (pg, outer_count, inner_count, list,
+                                        GNUNET_YES);
+              add_connections (pg, outer_count, inner_count, ALLOWED, GNUNET_NO);
+              update_meter (conn_meter);
             }
         }
     }
+  free_meter (conn_meter);
 
   return connect_attempts;
-
 }
+#endif
 
 /**
  * Create a topology given a peer group (set of running peers)
@@ -1716,13 +2024,14 @@ create_nated_internet (struct GNUNET_TESTING_PeerGroup *pg,
  * @param pg the peergroup to create the topology on
  * @param proc the connection processor to call to actually set
  *        up connections between two peers
+ * @param list the peer list to use
  *
  * @return the number of connections that were set up
  *
  */
 static unsigned int
-create_small_world (struct GNUNET_TESTING_PeerGroup *pg,
-                    GNUNET_TESTING_ConnectionProcessor proc, enum PeerLists list)
+create_small_world(struct GNUNET_TESTING_PeerGroup *pg,
+                   GNUNET_TESTING_ConnectionProcessor proc, enum PeerLists list)
 {
   unsigned int i, j, k;
   unsigned int square;
@@ -1745,14 +2054,14 @@ create_small_world (struct GNUNET_TESTING_PeerGroup *pg,
   rows = square;
   cols = square;
 
-  percentage = 0.5;             /* FIXME: default percentage? */
-  if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_string (pg->cfg,
-                                                          "TESTING",
+  percentage = 0.5; /* FIXME: default percentage? */
+  if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_string (pg->cfg, "TESTING",
                                                           "PERCENTAGE",
                                                           &p_string))
     {
       if (sscanf (p_string, "%lf", &percentage) != 1)
-        GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+        GNUNET_log (
+                    GNUNET_ERROR_TYPE_WARNING,
                     _
                     ("Invalid value `%s' for option `%s' in section `%s': expected float\n"),
                     p_string, "PERCENTAGE", "TESTING");
@@ -1760,20 +2069,21 @@ create_small_world (struct GNUNET_TESTING_PeerGroup *pg,
     }
   if (percentage < 0.0)
     {
-      GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+      GNUNET_log (
+                  GNUNET_ERROR_TYPE_WARNING,
                   _
                   ("Invalid value `%s' for option `%s' in section `%s': got %f, needed value greater than 0\n"),
                   "PERCENTAGE", "TESTING", percentage);
       percentage = 0.5;
     }
-  probability = 0.5;            /* FIXME: default percentage? */
-  if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_string (pg->cfg,
-                                                          "TESTING",
+  probability = 0.5; /* FIXME: default percentage? */
+  if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_string (pg->cfg, "TESTING",
                                                           "PROBABILITY",
                                                           &p_string))
     {
       if (sscanf (p_string, "%lf", &probability) != 1)
-        GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+        GNUNET_log (
+                    GNUNET_ERROR_TYPE_WARNING,
                     _
                     ("Invalid value `%s' for option `%s' in section `%s': expected float\n"),
                     p_string, "PROBABILITY", "TESTING");
@@ -1793,9 +2103,9 @@ create_small_world (struct GNUNET_TESTING_PeerGroup *pg,
     }
 #if VERBOSE_TESTING
   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-              _
-              ("Connecting nodes in 2d torus topology: %u rows %u columns\n"),
-              rows, cols);
+      _
+      ("Connecting nodes in 2d torus topology: %u rows %u columns\n"),
+      rows, cols);
 #endif
 
   connect_attempts = 0;
@@ -1814,23 +2124,27 @@ create_small_world (struct GNUNET_TESTING_PeerGroup *pg,
       else
         nodeToConnect = i - cols + 1;
 
-      connect_attempts += proc (pg, i, nodeToConnect, list);
+      connect_attempts += proc (pg, i, nodeToConnect, list, GNUNET_YES);
 
       if (i < cols)
-        nodeToConnect = (rows * cols) - cols + i;
+        {
+          nodeToConnect = (rows * cols) - cols + i;
+          if (nodeToConnect >= pg->total)
+            nodeToConnect -= cols;
+        }
       else
         nodeToConnect = i - cols;
 
       if (nodeToConnect < pg->total)
-        connect_attempts += proc (pg, i, nodeToConnect, list);
+        connect_attempts += proc (pg, i, nodeToConnect, list, GNUNET_YES);
     }
   natLog = log (pg->total);
 #if VERBOSE_TESTING > 2
   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-              _("natural log of %d is %d, will run %d iterations\n"),
-              pg->total, natLog, (int) (natLog * percentage));
+      _("natural log of %d is %d, will run %d iterations\n"),
+      pg->total, natLog, (int) (natLog * percentage));
   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-              _("Total connections added thus far: %u!\n"), connect_attempts);
+      _("Total connections added thus far: %u!\n"), connect_attempts);
 #endif
   smallWorldConnections = 0;
   small_world_it = (unsigned int) (natLog * percentage);
@@ -1850,21 +2164,20 @@ create_small_world (struct GNUNET_TESTING_PeerGroup *pg,
               node2Row = k / cols;
               node2Col = k - (node2Row * cols);
               /* Simple Cartesian distance */
-              distance =
-                abs (node1Row - node2Row) + abs (node1Col - node2Col);
+              distance = abs (node1Row - node2Row) + abs (node1Col - node2Col);
               if (distance > 1)
                 {
                   /* Calculate probability as 1 over the square of the distance */
                   probability = 1.0 / (distance * distance);
                   /* Choose a random value between 0 and 1 */
-                  random =
-                    ((double)
-                     GNUNET_CRYPTO_random_u64 (GNUNET_CRYPTO_QUALITY_WEAK,
-                                               UINT64_MAX)) /
-                    ((double) UINT64_MAX);
+                  random
+                      = ((double) GNUNET_CRYPTO_random_u64 (
+                                                            GNUNET_CRYPTO_QUALITY_WEAK,
+                                                            UINT64_MAX))
+                          / ((double) UINT64_MAX);
                   /* If random < probability, then connect the two nodes */
                   if (random < probability)
-                    smallWorldConnections += proc (pg, j, k, list);
+                    smallWorldConnections += proc (pg, j, k, list, GNUNET_YES);
 
                 }
             }
@@ -1873,8 +2186,8 @@ create_small_world (struct GNUNET_TESTING_PeerGroup *pg,
   connect_attempts += smallWorldConnections;
 #if VERBOSE_TESTING > 2
   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-              _("Total connections added for small world: %d!\n"),
-              smallWorldConnections);
+      _("Total connections added for small world: %d!\n"),
+      smallWorldConnections);
 #endif
   return connect_attempts;
 }
@@ -1886,13 +2199,14 @@ create_small_world (struct GNUNET_TESTING_PeerGroup *pg,
  * @param pg the peergroup to create the topology on
  * @param proc the connection processor to call to actually set
  *        up connections between two peers
+ * @param list the peer list to use
  *
  * @return the number of connections that were set up
  *
  */
 static unsigned int
-create_erdos_renyi (struct GNUNET_TESTING_PeerGroup *pg,
-                    GNUNET_TESTING_ConnectionProcessor proc, enum PeerLists list)
+create_erdos_renyi(struct GNUNET_TESTING_PeerGroup *pg,
+                   GNUNET_TESTING_ConnectionProcessor proc, enum PeerLists list)
 {
   double temp_rand;
   unsigned int outer_count;
@@ -1901,14 +2215,14 @@ create_erdos_renyi (struct GNUNET_TESTING_PeerGroup *pg,
   double probability;
   char *p_string;
 
-  probability = 0.5;            /* FIXME: default percentage? */
-  if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_string (pg->cfg,
-                                                          "TESTING",
+  probability = 0.5; /* FIXME: default percentage? */
+  if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_string (pg->cfg, "TESTING",
                                                           "PROBABILITY",
                                                           &p_string))
     {
       if (sscanf (p_string, "%lf", &probability) != 1)
-        GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+        GNUNET_log (
+                    GNUNET_ERROR_TYPE_WARNING,
                     _
                     ("Invalid value `%s' for option `%s' in section `%s': expected float\n"),
                     p_string, "PROBABILITY", "TESTING");
@@ -1917,21 +2231,21 @@ create_erdos_renyi (struct GNUNET_TESTING_PeerGroup *pg,
   connect_attempts = 0;
   for (outer_count = 0; outer_count < pg->total - 1; outer_count++)
     {
-      for (inner_count = outer_count + 1; inner_count < pg->total;
-           inner_count++)
+      for (inner_count = outer_count + 1; inner_count < pg->total; inner_count++)
         {
-          temp_rand =
-            ((double)
-             GNUNET_CRYPTO_random_u64 (GNUNET_CRYPTO_QUALITY_WEAK,
-                                       UINT64_MAX)) / ((double) UINT64_MAX);
+          temp_rand
+              = ((double) GNUNET_CRYPTO_random_u64 (GNUNET_CRYPTO_QUALITY_WEAK,
+                                                    UINT64_MAX))
+                  / ((double) UINT64_MAX);
 #if VERBOSE_TESTING
           GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                      _("rand is %f probability is %f\n"), temp_rand,
-                      probability);
+              _("rand is %f probability is %f\n"), temp_rand,
+              probability);
 #endif
           if (temp_rand < probability)
             {
-              connect_attempts += proc (pg, outer_count, inner_count, list);
+              connect_attempts += proc (pg, outer_count, inner_count, list,
+                                        GNUNET_YES);
             }
         }
     }
@@ -1948,13 +2262,14 @@ create_erdos_renyi (struct GNUNET_TESTING_PeerGroup *pg,
  * @param pg the peergroup to create the topology on
  * @param proc the connection processor to call to actually set
  *        up connections between two peers
+ * @param list the peer list to use
  *
  * @return the number of connections that were set up
  *
  */
 static unsigned int
-create_2d_torus (struct GNUNET_TESTING_PeerGroup *pg,
-                 GNUNET_TESTING_ConnectionProcessor proc, enum PeerLists list)
+create_2d_torus(struct GNUNET_TESTING_PeerGroup *pg,
+                GNUNET_TESTING_ConnectionProcessor proc, enum PeerLists list)
 {
   unsigned int i;
   unsigned int square;
@@ -1984,9 +2299,9 @@ create_2d_torus (struct GNUNET_TESTING_PeerGroup *pg,
     }
 #if VERBOSE_TESTING
   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-              _
-              ("Connecting nodes in 2d torus topology: %u rows %u columns\n"),
-              rows, cols);
+      _
+      ("Connecting nodes in 2d torus topology: %u rows %u columns\n"),
+      rows, cols);
 #endif
   /* Rows and columns are all sorted out, now iterate over all nodes and connect each
    * to the node to its right and above.  Once this is over, we'll have our torus!
@@ -2004,13 +2319,17 @@ create_2d_torus (struct GNUNET_TESTING_PeerGroup *pg,
         nodeToConnect = i - cols + 1;
 #if VERBOSE_TESTING
       GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                  "Connecting peer %d to peer %d\n", i, nodeToConnect);
+          "Connecting peer %d to peer %d\n", i, nodeToConnect);
 #endif
-      connect_attempts += proc (pg, i, nodeToConnect, list);
+      connect_attempts += proc (pg, i, nodeToConnect, list, GNUNET_YES);
 
       /* Second connect to the node immediately above */
       if (i < cols)
-        nodeToConnect = (rows * cols) - cols + i;
+        {
+          nodeToConnect = (rows * cols) - cols + i;
+          if (nodeToConnect >= pg->total)
+            nodeToConnect -= cols;
+        }
       else
         nodeToConnect = i - cols;
 
@@ -2018,9 +2337,9 @@ create_2d_torus (struct GNUNET_TESTING_PeerGroup *pg,
         {
 #if VERBOSE_TESTING
           GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                      "Connecting peer %d to peer %d\n", i, nodeToConnect);
+              "Connecting peer %d to peer %d\n", i, nodeToConnect);
 #endif
-          connect_attempts += proc (pg, i, nodeToConnect, list);
+          connect_attempts += proc (pg, i, nodeToConnect, list, GNUNET_YES);
         }
 
     }
@@ -2028,7 +2347,6 @@ create_2d_torus (struct GNUNET_TESTING_PeerGroup *pg,
   return connect_attempts;
 }
 
-
 /**
  * Create a topology given a peer group (set of running peers)
  * and a connection processor.
@@ -2036,34 +2354,41 @@ create_2d_torus (struct GNUNET_TESTING_PeerGroup *pg,
  * @param pg the peergroup to create the topology on
  * @param proc the connection processor to call to actually set
  *        up connections between two peers
+ * @param list the peer list to use
+ * @param check does the connection processor need to check before
+ *              performing an action on the list?
  *
  * @return the number of connections that were set up
  *
  */
 static unsigned int
-create_clique (struct GNUNET_TESTING_PeerGroup *pg,
-               GNUNET_TESTING_ConnectionProcessor proc, enum PeerLists list)
+create_clique(struct GNUNET_TESTING_PeerGroup *pg,
+              GNUNET_TESTING_ConnectionProcessor proc, enum PeerLists list,
+              unsigned int check)
 {
   unsigned int outer_count;
   unsigned int inner_count;
   int connect_attempts;
-
+  struct ProgressMeter *conn_meter;
   connect_attempts = 0;
 
+  conn_meter = create_meter ((((pg->total * pg->total) + pg->total) / 2)
+      - pg->total, "Create Clique ", GNUNET_NO);
   for (outer_count = 0; outer_count < pg->total - 1; outer_count++)
     {
-      for (inner_count = outer_count + 1; inner_count < pg->total;
-           inner_count++)
+      for (inner_count = outer_count + 1; inner_count < pg->total; inner_count++)
         {
 #if VERBOSE_TESTING
           GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                      "Connecting peer %d to peer %d\n",
-                      outer_count, inner_count);
+              "Connecting peer %d to peer %d\n",
+              outer_count, inner_count);
 #endif
-          connect_attempts += proc (pg, outer_count, inner_count, list);
+          connect_attempts += proc (pg, outer_count, inner_count, list, check);
+          update_meter (conn_meter);
         }
     }
-
+  reset_meter (conn_meter);
+  free_meter (conn_meter);
   return connect_attempts;
 }
 
@@ -2081,18 +2406,18 @@ create_clique (struct GNUNET_TESTING_PeerGroup *pg,
  */
 static int
 unblacklist_iterator (void *cls,
-                      const GNUNET_HashCode * key,
-                      void *value)
-{
-  struct UnblacklistContext *un_ctx = cls;
-  uint32_t second_pos;
+    const GNUNET_HashCode * key,
+    void *value)
+  {
+    struct UnblacklistContext *un_ctx = cls;
+    uint32_t second_pos;
 
-  uid_from_hash (key, &second_pos);
+    uid_from_hash (key, &second_pos);
 
-  unblacklist_connections(un_ctx->pg, un_ctx->first_uid, second_pos);
+    unblacklist_connections(un_ctx->pg, un_ctx->first_uid, second_pos);
 
-  return GNUNET_YES;
-}
+    return GNUNET_YES;
+  }
 #endif
 
 /**
@@ -2108,32 +2433,38 @@ unblacklist_iterator (void *cls,
  *
  */
 static unsigned int
-copy_allowed (struct GNUNET_TESTING_PeerGroup *pg,
+copy_allowed(struct GNUNET_TESTING_PeerGroup *pg,
              GNUNET_TESTING_ConnectionProcessor proc)
 {
-  struct UnblacklistContext un_ctx;
   unsigned int count;
   unsigned int total;
   struct PeerConnection *iter;
+#if !OLD
+  struct UnblacklistContext un_ctx;
 
   un_ctx.pg = pg;
+#endif
   total = 0;
   for (count = 0; count < pg->total - 1; count++)
     {
-      un_ctx.first_uid = count;
 #if OLD
       iter = pg->peers[count].allowed_peers_head;
       while (iter != NULL)
         {
-          remove_connections(pg, count, iter->index, BLACKLIST);
+          remove_connections (pg, count, iter->index, BLACKLIST, GNUNET_YES);
           //unblacklist_connections(pg, count, iter->index);
           iter = iter->next;
         }
 #else
-      total += GNUNET_CONTAINER_multihashmap_iterate(pg->peers[count].allowed_peers, &unblacklist_iterator, &un_ctx);
+      un_ctx.first_uid = count;
+      total += GNUNET_CONTAINER_multihashmap_iterate(pg->peers[count].allowed_peers, 
+                                                    &unblacklist_iterator,
+                                                    &un_ctx);
 #endif
     }
-  GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Unblacklisted %u peers\n", total);
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, 
+             "Unblacklisted %u peers\n", 
+             total);
   return total;
 }
 
@@ -2150,22 +2481,22 @@ copy_allowed (struct GNUNET_TESTING_PeerGroup *pg,
  *
  */
 static unsigned int
-create_line (struct GNUNET_TESTING_PeerGroup *pg,
-             GNUNET_TESTING_ConnectionProcessor proc, enum PeerLists list)
+create_line(struct GNUNET_TESTING_PeerGroup *pg,
+            GNUNET_TESTING_ConnectionProcessor proc, enum PeerLists list)
 {
   unsigned int count;
-  int connect_attempts;
+  unsigned int connect_attempts;
 
   connect_attempts = 0;
-
   /* Connect each peer to the next highest numbered peer */
   for (count = 0; count < pg->total - 1; count++)
     {
 #if VERBOSE_TESTING
       GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                  "Connecting peer %d to peer %d\n", count, count + 1);
+                 "Connecting peer %d to peer %d\n", 
+                 count, count + 1);
 #endif
-      connect_attempts += proc (pg, count, count + 1, list);
+      connect_attempts += proc (pg, count, count + 1, list, GNUNET_YES);
     }
 
   return connect_attempts;
@@ -2179,27 +2510,26 @@ create_line (struct GNUNET_TESTING_PeerGroup *pg,
  * @param filename the file to read topology information from
  * @param proc the connection processor to call to actually set
  *        up connections between two peers
+ * @param list the peer list to use
  *
  * @return the number of connections that were set up
  *
  */
 static unsigned int
-create_from_file (struct GNUNET_TESTING_PeerGroup *pg,
-                  char *filename,
-                  GNUNET_TESTING_ConnectionProcessor proc, enum PeerLists list)
+create_from_file(struct GNUNET_TESTING_PeerGroup *pg, char *filename,
+                 GNUNET_TESTING_ConnectionProcessor proc, enum PeerLists list)
 {
   int connect_attempts;
   unsigned int first_peer_index;
   unsigned int second_peer_index;
-  connect_attempts = 0;
   struct stat frstat;
   int count;
   char *data;
-  char *buf;
+  const char *buf;
   unsigned int total_peers;
-
   enum States curr_state;
 
+  connect_attempts = 0;
   if (GNUNET_OK != GNUNET_DISK_file_test (filename))
     GNUNET_DISK_fn_write (filename, NULL, 0, GNUNET_DISK_PERM_USER_READ);
 
@@ -2212,100 +2542,106 @@ create_from_file (struct GNUNET_TESTING_PeerGroup *pg,
 
   data = GNUNET_malloc_large (frstat.st_size);
   GNUNET_assert(data != NULL);
-  if (frstat.st_size !=
-      GNUNET_DISK_fn_read (filename, data, frstat.st_size))
+  if (frstat.st_size != GNUNET_DISK_fn_read (filename, data, frstat.st_size))
     {
-      GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
-                "Could not read file %s specified for host list, ending test!", filename);
+      GNUNET_log (
+                  GNUNET_ERROR_TYPE_ERROR,
+                  "Could not read file %s specified for host list, ending test!",
+                  filename);
       GNUNET_free (data);
       return connect_attempts;
     }
 
   buf = data;
   count = 0;
+  first_peer_index = 0;
   /* First line should contain a single integer, specifying the number of peers */
   /* Each subsequent line should contain this format PEER_INDEX:OTHER_PEER_INDEX[,...] */
   curr_state = NUM_PEERS;
   while (count < frstat.st_size - 1)
     {
       if ((buf[count] == '\n') || (buf[count] == ' '))
-      {
-        count++;
-        continue;
-      }
-
-      switch (curr_state)
-      {
-        case NUM_PEERS:
-          if (1 != sscanf(&buf[count], "%u", &total_peers))
-            {
-              GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Failed to read number of peers from topology file!\n");
-              GNUNET_free_non_null(data);
-              return connect_attempts;
-            }
-          GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Read %u total peers in topology\n", total_peers);
-          GNUNET_assert(total_peers == pg->total);
-          curr_state = PEER_INDEX;
-          while((buf[count] != '\n') && (count < frstat.st_size - 1))
-            count++;
-          count++;
-          break;
-        case PEER_INDEX:
-          if (1 != sscanf(&buf[count], "%u", &first_peer_index))
-            {
-              GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Failed to read peer index from topology file!\n");
-              GNUNET_free_non_null(data);
-              return connect_attempts;
-            }
-          while((buf[count] != ':') && (count < frstat.st_size - 1))
-            count++;
-          count++;
-          curr_state = OTHER_PEER_INDEX;
-          break;
-        case COLON:
-          if (1 == sscanf(&buf[count], ":"))
-            curr_state = OTHER_PEER_INDEX;
-          count++;
-          break;
-        case OTHER_PEER_INDEX:
-          if (1 != sscanf(&buf[count], "%u", &second_peer_index))
-            {
-              GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Failed to peer index from topology file!\n");
-              GNUNET_free_non_null(data);
-              return connect_attempts;
-            }
-          /* Assume file is written with first peer 1, but array index is 0 */
-          connect_attempts += proc (pg, first_peer_index - 1, second_peer_index - 1, list);
-          while((buf[count] != '\n') && (buf[count] != ',') && (count < frstat.st_size - 1))
-            count++;
-          if (buf[count] == '\n')
-          {
-            curr_state = PEER_INDEX;
-          }
-          else if (buf[count] != ',')
-          {
-            curr_state = OTHER_PEER_INDEX;
-          }
+        {
           count++;
-          break;
-        default:
-          GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Found bad data in topology file while in state %d!\n", curr_state);
-          GNUNET_break(0);
-          return connect_attempts;
-      }
+          continue;
+        }
 
+      switch (curr_state)
+        {
+       case NUM_PEERS:
+         errno = 0;
+         total_peers = strtoul(&buf[count], NULL, 10);
+         if (errno != 0)
+           {
+             GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+                         "Failed to read number of peers from topology file!\n");
+             GNUNET_free (data);
+             return connect_attempts;
+           }
+         GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+                     "Read %u total peers in topology\n", total_peers);
+         GNUNET_assert(total_peers == pg->total);
+         curr_state = PEER_INDEX;
+         while ((buf[count] != '\n') && (count < frstat.st_size - 1))
+           count++;
+         count++;
+         break;
+       case PEER_INDEX:
+         errno = 0;
+         first_peer_index = strtoul(&buf[count], NULL, 10);
+         if (errno != 0)
+           {
+             GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+                         "Failed to read peer index from topology file!\n");
+             GNUNET_free (data);
+             return connect_attempts;
+           }
+         while ((buf[count] != ':') && (count < frstat.st_size - 1))
+           count++;
+         count++;
+         curr_state = OTHER_PEER_INDEX;
+         break;
+       case COLON:
+         if (1 == sscanf (&buf[count], ":"))
+           curr_state = OTHER_PEER_INDEX;
+         count++;
+         break;
+       case OTHER_PEER_INDEX:
+         errno = 0;
+         second_peer_index = strtoul(&buf[count], NULL, 10);
+         if (errno != 0)
+           {
+             GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+                         "Failed to peer index from topology file!\n");
+             GNUNET_free (data);
+             return connect_attempts;
+           }
+         /* Assume file is written with first peer 1, but array index is 0 */
+         connect_attempts += proc (pg, first_peer_index - 1, second_peer_index
+                                   - 1, list, GNUNET_YES);
+         while ((buf[count] != '\n') && (buf[count] != ',') && (count
+                                                                < frstat.st_size - 1))
+           count++;
+         if (buf[count] == '\n')
+           {
+             curr_state = PEER_INDEX;
+           }
+         else if (buf[count] != ',')
+           {
+             curr_state = OTHER_PEER_INDEX;
+           }
+         count++;
+         break;
+       default:
+         GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                     "Found bad data in topology file while in state %d!\n",
+                     curr_state);
+         GNUNET_break(0);
+         GNUNET_free (data);
+         return connect_attempts;
+        }
     }
-#if 0
-  /* Connect each peer to the next highest numbered peer */
-  for (count = 0; count < pg->total - 1; count++)
-    {
-#if VERBOSE_TESTING
-      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                  "Connecting peer %d to peer %d\n", first_peer_index, second_peer_index);
-#endif
-      connect_attempts += proc (pg, first_peer_index, second_peer_index);
-    }
-#endif
+  GNUNET_free (data);
   return connect_attempts;
 }
 
@@ -2316,13 +2652,14 @@ create_from_file (struct GNUNET_TESTING_PeerGroup *pg,
  * @param pg the peergroup to create the topology on
  * @param proc the connection processor to call to actually set
  *        up connections between two peers
+ * @param list the peer list to use
  *
  * @return the number of connections that were set up
  *
  */
 static unsigned int
-create_ring (struct GNUNET_TESTING_PeerGroup *pg,
-             GNUNET_TESTING_ConnectionProcessor proc, enum PeerLists list)
+create_ring(struct GNUNET_TESTING_PeerGroup *pg,
+            GNUNET_TESTING_ConnectionProcessor proc, enum PeerLists list)
 {
   unsigned int count;
   int connect_attempts;
@@ -2334,13 +2671,13 @@ create_ring (struct GNUNET_TESTING_PeerGroup *pg,
     {
 #if VERBOSE_TESTING
       GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                  "Connecting peer %d to peer %d\n", count, count + 1);
+          "Connecting peer %d to peer %d\n", count, count + 1);
 #endif
-      connect_attempts += proc (pg, count, count + 1, list);
+      connect_attempts += proc (pg, count, count + 1, list, GNUNET_YES);
     }
 
   /* Connect the last peer to the first peer */
-  connect_attempts += proc (pg, pg->total - 1, 0, list);
+  connect_attempts += proc (pg, pg->total - 1, 0, list, GNUNET_YES);
 
   return connect_attempts;
 }
@@ -2365,31 +2702,31 @@ create_ring (struct GNUNET_TESTING_PeerGroup *pg,
  */
 static int
 friend_file_iterator (void *cls, const GNUNET_HashCode * key, void *value)
-{
-  FILE *temp_friend_handle = cls;
-  struct GNUNET_TESTING_Daemon *peer = value;
-  struct GNUNET_PeerIdentity *temppeer;
-  struct GNUNET_CRYPTO_HashAsciiEncoded peer_enc;
+  {
+    FILE *temp_friend_handle = cls;
+    struct GNUNET_TESTING_Daemon *peer = value;
+    struct GNUNET_PeerIdentity *temppeer;
+    struct GNUNET_CRYPTO_HashAsciiEncoded peer_enc;
 
-  temppeer = &peer->id;
-  GNUNET_CRYPTO_hash_to_enc (&temppeer->hashPubKey, &peer_enc);
-  fprintf (temp_friend_handle, "%s\n", (char *) &peer_enc);
+    temppeer = &peer->id;
+    GNUNET_CRYPTO_hash_to_enc (&temppeer->hashPubKey, &peer_enc);
+    fprintf (temp_friend_handle, "%s\n", (char *) &peer_enc);
 
-  return GNUNET_YES;
-}
+    return GNUNET_YES;
+  }
 
 struct BlacklistContext
-{
-  /*
-   * The (open) file handle to write to
-   */
-  FILE *temp_file_handle;
-
-  /*
-   * The transport that this peer will be blacklisted on.
-   */
-  char *transport;
-};
+  {
+    /*
+     * The (open) file handle to write to
+     */
+    FILE *temp_file_handle;
+
+    /*
+     * The transport that this peer will be blacklisted on.
+     */
+    char *transport;
+  };
 
 /**
  * Iterator for writing blacklist data to appropriate files.
@@ -2402,23 +2739,22 @@ struct BlacklistContext
  */
 static int
 blacklist_file_iterator (void *cls, const GNUNET_HashCode * key, void *value)
-{
-  struct BlacklistContext *blacklist_ctx = cls;
-  struct GNUNET_TESTING_Daemon *peer = value;
-  struct GNUNET_PeerIdentity *temppeer;
-  struct GNUNET_CRYPTO_HashAsciiEncoded peer_enc;
-
-  temppeer = &peer->id;
-  GNUNET_CRYPTO_hash_to_enc (&temppeer->hashPubKey, &peer_enc);
-  GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Writing entry %s:%s to file\n", blacklist_ctx->transport, (char *) &peer_enc);
-  fprintf (blacklist_ctx->temp_file_handle, "%s:%s\n",
-           blacklist_ctx->transport, (char *) &peer_enc);
-
-  return GNUNET_YES;
-}
+  {
+    struct BlacklistContext *blacklist_ctx = cls;
+    struct GNUNET_TESTING_Daemon *peer = value;
+    struct GNUNET_PeerIdentity *temppeer;
+    struct GNUNET_CRYPTO_HashAsciiEncoded peer_enc;
+
+    temppeer = &peer->id;
+    GNUNET_CRYPTO_hash_to_enc (&temppeer->hashPubKey, &peer_enc);
+    GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Writing entry %s:%s to file\n", blacklist_ctx->transport, (char *) &peer_enc);
+    fprintf (blacklist_ctx->temp_file_handle, "%s:%s\n",
+        blacklist_ctx->transport, (char *) &peer_enc);
+
+    return GNUNET_YES;
+  }
 #endif
 
-
 /*
  * Create the friend files based on the PeerConnection's
  * of each peer in the peer group, and copy the files
@@ -2427,7 +2763,7 @@ blacklist_file_iterator (void *cls, const GNUNET_HashCode * key, void *value)
  * @param pg the peer group we are dealing with
  */
 static int
-create_and_copy_friend_files (struct GNUNET_TESTING_PeerGroup *pg)
+create_and_copy_friend_files(struct GNUNET_TESTING_PeerGroup *pg)
 {
   FILE *temp_friend_handle;
   unsigned int pg_iter;
@@ -2435,11 +2771,15 @@ create_and_copy_friend_files (struct GNUNET_TESTING_PeerGroup *pg)
   struct GNUNET_OS_Process **procarr;
   char *arg;
   char *mytemp;
+#if NOT_STUPID
   enum GNUNET_OS_ProcessStatusType type;
   unsigned long return_code;
   int count;
-  int ret;
   int max_wait = 10;
+#endif
+  int ret;
+
+  ret = GNUNET_OK;
 #if OLD
   struct GNUNET_CRYPTO_HashAsciiEncoded peer_enc;
   struct PeerConnection *conn_iter;
@@ -2455,48 +2795,52 @@ create_and_copy_friend_files (struct GNUNET_TESTING_PeerGroup *pg)
       conn_iter = pg->peers[pg_iter].allowed_peers_head;
       while (conn_iter != NULL)
         {
-          GNUNET_CRYPTO_hash_to_enc (&pg->peers[conn_iter->index].daemon->id.hashPubKey, &peer_enc);
+          GNUNET_CRYPTO_hash_to_enc (
+                                     &pg->peers[conn_iter->index].daemon->id.hashPubKey,
+                                     &peer_enc);
           fprintf (temp_friend_handle, "%s\n", (char *) &peer_enc);
           conn_iter = conn_iter->next;
         }
 #else
       GNUNET_CONTAINER_multihashmap_iterate (pg->peers[pg_iter].allowed_peers,
-                                             &friend_file_iterator,
-                                             temp_friend_handle);
+          &friend_file_iterator,
+          temp_friend_handle);
 #endif
       fclose (temp_friend_handle);
 
-      if (GNUNET_OK !=
-          GNUNET_CONFIGURATION_get_value_string (pg->peers[pg_iter].
-                                                 daemon->cfg, "PATHS",
-                                                 "SERVICEHOME",
-                                                 &temp_service_path))
+      if (GNUNET_OK
+          != GNUNET_CONFIGURATION_get_value_string (
+                                                    pg->peers[pg_iter]. daemon->cfg,
+                                                    "PATHS", "SERVICEHOME",
+                                                    &temp_service_path))
         {
-          GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+          GNUNET_log (
+                      GNUNET_ERROR_TYPE_WARNING,
                       _
                       ("No `%s' specified in peer configuration in section `%s', cannot copy friends file!\n"),
                       "SERVICEHOME", "PATHS");
           if (UNLINK (mytemp) != 0)
             GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_WARNING, "unlink",
-                                      mytemp);
+                mytemp);
           GNUNET_free (mytemp);
           break;
         }
 
-      if (pg->peers[pg_iter].daemon->hostname == NULL)  /* Local, just copy the file */
+      if (pg->peers[pg_iter].daemon->hostname == NULL) /* Local, just copy the file */
         {
           GNUNET_asprintf (&arg, "%s/friends", temp_service_path);
-          procarr[pg_iter] = GNUNET_OS_start_process (NULL, NULL, "mv",
-                                                      "mv", mytemp, arg,
-                                                      NULL);
+          procarr[pg_iter] = GNUNET_OS_start_process (NULL, NULL, "mv", "mv",
+                                                      mytemp, arg, NULL);
+          GNUNET_assert(procarr[pg_iter] != NULL);
 #if VERBOSE_TESTING
           GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                      _("Copying file with command cp %s %s\n"), mytemp, arg);
+              _("Copying file with command cp %s %s\n"), mytemp, arg);
 #endif
-
+          ret = GNUNET_OS_process_wait (procarr[pg_iter]); /* FIXME: schedule this, throttle! */
+          GNUNET_OS_process_close (procarr[pg_iter]);
           GNUNET_free (arg);
         }
-      else                      /* Remote, scp the file to the correct place */
+      else /* Remote, scp the file to the correct place */
         {
           if (NULL != pg->peers[pg_iter].daemon->username)
             GNUNET_asprintf (&arg, "%s@%s:%s/friends",
@@ -2507,14 +2851,18 @@ create_and_copy_friend_files (struct GNUNET_TESTING_PeerGroup *pg)
             GNUNET_asprintf (&arg, "%s:%s/friends",
                              pg->peers[pg_iter].daemon->hostname,
                              temp_service_path);
-          procarr[pg_iter] =
-            GNUNET_OS_start_process (NULL, NULL, "scp", "scp", mytemp, arg,
-                                     NULL);
-
+          procarr[pg_iter] = GNUNET_OS_start_process (NULL, NULL, "scp", "scp",
+                                                      mytemp, arg, NULL);
+          GNUNET_assert(procarr[pg_iter] != NULL);
+          ret = GNUNET_OS_process_wait (procarr[pg_iter]); /* FIXME: schedule this, throttle! */
+          GNUNET_OS_process_close (procarr[pg_iter]);
+          if (ret != GNUNET_OK)
+            return ret;
+          procarr[pg_iter] = NULL;
 #if VERBOSE_TESTING
           GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                      _("Copying file with command scp %s %s\n"), mytemp,
-                      arg);
+              _("Copying file with command scp %s %s\n"), mytemp,
+              arg);
 #endif
           GNUNET_free (arg);
         }
@@ -2522,6 +2870,7 @@ create_and_copy_friend_files (struct GNUNET_TESTING_PeerGroup *pg)
       GNUNET_free (mytemp);
     }
 
+#if NOT_STUPID
   count = 0;
   ret = GNUNET_SYSERR;
   while ((count < max_wait) && (ret != GNUNET_OK))
@@ -2531,7 +2880,7 @@ create_and_copy_friend_files (struct GNUNET_TESTING_PeerGroup *pg)
         {
 #if VERBOSE_TESTING
           GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                      _("Checking copy status of file %d\n"), pg_iter);
+              _("Checking copy status of file %d\n"), pg_iter);
 #endif
           if (procarr[pg_iter] != NULL) /* Check for already completed! */
             {
@@ -2541,7 +2890,7 @@ create_and_copy_friend_files (struct GNUNET_TESTING_PeerGroup *pg)
                   ret = GNUNET_SYSERR;
                 }
               else if ((type != GNUNET_OS_PROCESS_EXITED)
-                       || (return_code != 0))
+                  || (return_code != 0))
                 {
                   ret = GNUNET_SYSERR;
                 }
@@ -2551,7 +2900,7 @@ create_and_copy_friend_files (struct GNUNET_TESTING_PeerGroup *pg)
                   procarr[pg_iter] = NULL;
 #if VERBOSE_TESTING
                   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                              _("File %d copied\n"), pg_iter);
+                      _("File %d copied\n"), pg_iter);
 #endif
                 }
             }
@@ -2566,13 +2915,13 @@ create_and_copy_friend_files (struct GNUNET_TESTING_PeerGroup *pg)
 
 #if VERBOSE_TESTING
   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-              _("Finished copying all friend files!\n"));
+      _("Finished copying all friend files!\n"));
+#endif
 #endif
   GNUNET_free (procarr);
   return ret;
 }
 
-
 /*
  * Create the blacklist files based on the PeerConnection's
  * of each peer in the peer group, and copy the files
@@ -2582,8 +2931,8 @@ create_and_copy_friend_files (struct GNUNET_TESTING_PeerGroup *pg)
  * @param transports space delimited list of transports to blacklist
  */
 static int
-create_and_copy_blacklist_files (struct GNUNET_TESTING_PeerGroup *pg,
-                                 const char *transports)
+create_and_copy_blacklist_files(struct GNUNET_TESTING_PeerGroup *pg,
+                                const char *transports)
 {
   FILE *temp_file_handle;
   unsigned int pg_iter;
@@ -2625,7 +2974,7 @@ create_and_copy_blacklist_files (struct GNUNET_TESTING_PeerGroup *pg,
       for (i = 0; i < transport_len; i++)
         {
           if ((temp_transports[i] == ' ') && (pos == NULL))
-            continue;           /* At start of string (whitespace) */
+            continue; /* At start of string (whitespace) */
           else if ((temp_transports[i] == ' ') || (temp_transports[i] == '\0')) /* At end of string */
             {
               temp_transports[i] = '\0';
@@ -2633,7 +2982,9 @@ create_and_copy_blacklist_files (struct GNUNET_TESTING_PeerGroup *pg,
               conn_iter = pg->peers[pg_iter].blacklisted_peers_head;
               while (conn_iter != NULL)
                 {
-                  GNUNET_CRYPTO_hash_to_enc (&pg->peers[conn_iter->index].daemon->id.hashPubKey, &peer_enc);
+                  GNUNET_CRYPTO_hash_to_enc (
+                                             &pg->peers[conn_iter->index].daemon->id.hashPubKey,
+                                             &peer_enc);
                   fprintf (temp_file_handle, "%s:%s\n", pos, (char *) &peer_enc);
                   conn_iter = conn_iter->next;
                   entry_count++;
@@ -2641,13 +2992,13 @@ create_and_copy_blacklist_files (struct GNUNET_TESTING_PeerGroup *pg,
 #else
               blacklist_ctx.transport = pos;
               entry_count = GNUNET_CONTAINER_multihashmap_iterate (pg->
-                                                     peers
-                                                     [pg_iter].blacklisted_peers,
-                                                     &blacklist_file_iterator,
-                                                     &blacklist_ctx);
+                  peers
+                  [pg_iter].blacklisted_peers,
+                  &blacklist_file_iterator,
+                  &blacklist_ctx);
 #endif
               pos = NULL;
-            }                   /* At beginning of actual string */
+            } /* At beginning of actual string */
           else if (pos == NULL)
             {
               pos = &temp_transports[i];
@@ -2657,37 +3008,37 @@ create_and_copy_blacklist_files (struct GNUNET_TESTING_PeerGroup *pg,
       GNUNET_free (temp_transports);
       fclose (temp_file_handle);
 
-      if (GNUNET_OK !=
-          GNUNET_CONFIGURATION_get_value_string (pg->peers[pg_iter].
-                                                 daemon->cfg, "PATHS",
-                                                 "SERVICEHOME",
-                                                 &temp_service_path))
+      if (GNUNET_OK
+          != GNUNET_CONFIGURATION_get_value_string (
+                                                    pg->peers[pg_iter]. daemon->cfg,
+                                                    "PATHS", "SERVICEHOME",
+                                                    &temp_service_path))
         {
-          GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+          GNUNET_log (
+                      GNUNET_ERROR_TYPE_WARNING,
                       _
                       ("No `%s' specified in peer configuration in section `%s', cannot copy friends file!\n"),
                       "SERVICEHOME", "PATHS");
           if (UNLINK (mytemp) != 0)
             GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_WARNING, "unlink",
-                                      mytemp);
+                mytemp);
           GNUNET_free (mytemp);
           break;
         }
 
-      if (pg->peers[pg_iter].daemon->hostname == NULL)  /* Local, just copy the file */
+      if (pg->peers[pg_iter].daemon->hostname == NULL) /* Local, just copy the file */
         {
           GNUNET_asprintf (&arg, "%s/blacklist", temp_service_path);
-          procarr[pg_iter] = GNUNET_OS_start_process (NULL, NULL, "mv",
-                                                      "mv", mytemp, arg,
-                                                      NULL);
+          procarr[pg_iter] = GNUNET_OS_start_process (NULL, NULL, "mv", "mv",
+                                                      mytemp, arg, NULL);
 #if VERBOSE_TESTING
           GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                      _("Copying file with command cp %s %s\n"), mytemp, arg);
+              _("Copying file with command cp %s %s\n"), mytemp, arg);
 #endif
 
           GNUNET_free (arg);
         }
-      else                      /* Remote, scp the file to the correct place */
+      else /* Remote, scp the file to the correct place */
         {
           if (NULL != pg->peers[pg_iter].daemon->username)
             GNUNET_asprintf (&arg, "%s@%s:%s/blacklist",
@@ -2698,14 +3049,15 @@ create_and_copy_blacklist_files (struct GNUNET_TESTING_PeerGroup *pg,
             GNUNET_asprintf (&arg, "%s:%s/blacklist",
                              pg->peers[pg_iter].daemon->hostname,
                              temp_service_path);
-          procarr[pg_iter] =
-            GNUNET_OS_start_process (NULL, NULL, "scp", "scp", mytemp, arg,
-                                     NULL);
+          procarr[pg_iter] = GNUNET_OS_start_process (NULL, NULL, "scp", "scp",
+                                                      mytemp, arg, NULL);
+          GNUNET_assert(procarr[pg_iter] != NULL);
+          GNUNET_OS_process_wait (procarr[pg_iter]); /* FIXME: add scheduled blacklist file copy that parallelizes file copying! */
 
 #if VERBOSE_TESTING
           GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                      _("Copying file with command scp %s %s\n"), mytemp,
-                      arg);
+              _("Copying file with command scp %s %s\n"), mytemp,
+              arg);
 #endif
           GNUNET_free (arg);
         }
@@ -2722,17 +3074,16 @@ create_and_copy_blacklist_files (struct GNUNET_TESTING_PeerGroup *pg,
         {
 #if VERBOSE_TESTING
           GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                      _("Checking copy status of file %d\n"), pg_iter);
+              _("Checking copy status of file %d\n"), pg_iter);
 #endif
           if (procarr[pg_iter] != NULL) /* Check for already completed! */
             {
-              if (GNUNET_OS_process_status
-                  (procarr[pg_iter], &type, &return_code) != GNUNET_OK)
+              if (GNUNET_OS_process_status (procarr[pg_iter], &type,
+                                            &return_code) != GNUNET_OK)
                 {
                   ret = GNUNET_SYSERR;
                 }
-              else if ((type != GNUNET_OS_PROCESS_EXITED)
-                       || (return_code != 0))
+              else if ((type != GNUNET_OS_PROCESS_EXITED) || (return_code != 0))
                 {
                   ret = GNUNET_SYSERR;
                 }
@@ -2742,7 +3093,7 @@ create_and_copy_blacklist_files (struct GNUNET_TESTING_PeerGroup *pg,
                   procarr[pg_iter] = NULL;
 #if VERBOSE_TESTING
                   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                              _("File %d copied\n"), pg_iter);
+                      _("File %d copied\n"), pg_iter);
 #endif
                 }
             }
@@ -2757,87 +3108,532 @@ create_and_copy_blacklist_files (struct GNUNET_TESTING_PeerGroup *pg,
 
 #if VERBOSE_TESTING
   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-              _("Finished copying all blacklist files!\n"));
+      _("Finished copying all blacklist files!\n"));
 #endif
   GNUNET_free (procarr);
   return ret;
 }
 
+/* Forward Declaration */
+static void
+schedule_connect(void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
 
 /**
- * Internal notification of a connection, kept so that we can ensure some connections
- * happen instead of flooding all testing daemons with requests to connect.
+ * Choose a random peer's next connection to create, and
+ * call schedule_connect to set up the connect task.
+ *
+ * @param ct_ctx the overall connection context
  */
 static void
-internal_connect_notify (void *cls,
-                         const struct GNUNET_PeerIdentity *first,
-                         const struct GNUNET_PeerIdentity *second,
-                         uint32_t distance,
-                         const struct GNUNET_CONFIGURATION_Handle *first_cfg,
-                         const struct GNUNET_CONFIGURATION_Handle *second_cfg,
-                         struct GNUNET_TESTING_Daemon *first_daemon,
-                         struct GNUNET_TESTING_Daemon *second_daemon,
-                         const char *emsg)
+preschedule_connect(struct GNUNET_TESTING_PeerGroup *pg)
 {
-  struct ConnectTopologyContext *ct_ctx = cls;
-  struct GNUNET_TESTING_PeerGroup *pg = ct_ctx->pg;
-  outstanding_connects--;
-  ct_ctx->remaining_connections--;
+  struct ConnectTopologyContext *ct_ctx = &pg->ct_ctx;
+  struct PeerConnection *connection_iter;
+  struct ConnectContext *connect_context;
+  uint32_t random_peer;
+
   if (ct_ctx->remaining_connections == 0)
-    {
-      if (ct_ctx->notify_connections_done != NULL)
-        ct_ctx->notify_connections_done (ct_ctx->notify_cls, NULL);
-      GNUNET_free (ct_ctx);
-    }
+    return;
+  random_peer
+      = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, pg->total);
+  while (pg->peers[random_peer].connect_peers_head == NULL)
+    random_peer = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK,
+                                            pg->total);
 
-  if (pg->notify_connection != NULL)
-    pg->notify_connection (pg->notify_connection_cls, first, second, distance,
-                           first_cfg, second_cfg, first_daemon, second_daemon,
-                           emsg);
+  connection_iter = pg->peers[random_peer].connect_peers_head;
+  connect_context = GNUNET_malloc (sizeof (struct ConnectContext));
+  connect_context->first_index = random_peer;
+  connect_context->second_index = connection_iter->index;
+  connect_context->ct_ctx = ct_ctx;
+  GNUNET_SCHEDULER_add_now (&schedule_connect, connect_context);
+  GNUNET_CONTAINER_DLL_remove(pg->peers[random_peer].connect_peers_head, pg->peers[random_peer].connect_peers_tail, connection_iter);
+  GNUNET_free(connection_iter);
+  ct_ctx->remaining_connections--;
 }
 
+#if USE_SEND_HELLOS
+/* Forward declaration */
+static void schedule_send_hellos (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
 
 /**
- * Either delay a connection (because there are too many outstanding)
- * or schedule it for right now.
+ * Close connections and free the hello context.
  *
- * @param cls a connection context
- * @param tc the task runtime context
+ * @param cls the 'struct SendHelloContext *'
+ * @param tc scheduler context
  */
 static void
-schedule_connect (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
-{
-  struct ConnectContext *connect_context = cls;
-
-  if (tc->reason == GNUNET_SCHEDULER_REASON_SHUTDOWN)
-    return;
+free_hello_context (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+  {
+    struct SendHelloContext *send_hello_context = cls;
+    if (send_hello_context->peer->daemon->server != NULL)
+      {
+        GNUNET_CORE_disconnect(send_hello_context->peer->daemon->server);
+        send_hello_context->peer->daemon->server = NULL;
+      }
+    if (send_hello_context->peer->daemon->th != NULL)
+      {
+        GNUNET_TRANSPORT_disconnect(send_hello_context->peer->daemon->th);
+        send_hello_context->peer->daemon->th = NULL;
+      }
+    if (send_hello_context->core_connect_task != GNUNET_SCHEDULER_NO_TASK)
+      {
+        GNUNET_SCHEDULER_cancel(send_hello_context->core_connect_task);
+        send_hello_context->core_connect_task = GNUNET_SCHEDULER_NO_TASK;
+      }
+    send_hello_context->pg->outstanding_connects--;
+    GNUNET_free(send_hello_context);
+  }
 
-  if (outstanding_connects > MAX_OUTSTANDING_CONNECTIONS)
-    {
-#if VERBOSE_TESTING > 2
-      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                  _
-                  ("Delaying connect, we have too many outstanding connections!\n"));
+/**
+ * For peers that haven't yet connected, notify
+ * the caller that they have failed (timeout).
+ *
+ * @param cls the 'struct SendHelloContext *'
+ * @param tc scheduler context
+ */
+static void
+notify_remaining_connections_failed (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+  {
+    struct SendHelloContext *send_hello_context = cls;
+    struct GNUNET_TESTING_PeerGroup *pg = send_hello_context->pg;
+    struct PeerConnection *connection;
+
+    GNUNET_CORE_disconnect(send_hello_context->peer->daemon->server);
+    send_hello_context->peer->daemon->server = NULL;
+
+    connection = send_hello_context->peer->connect_peers_head;
+
+    while (connection != NULL)
+      {
+        if (pg->notify_connection != NULL)
+          {
+            pg->notify_connection(pg->notify_connection_cls,
+                &send_hello_context->peer->daemon->id,
+                &pg->peers[connection->index].daemon->id,
+                0, /* FIXME */
+                send_hello_context->peer->daemon->cfg,
+                pg->peers[connection->index].daemon->cfg,
+                send_hello_context->peer->daemon,
+                pg->peers[connection->index].daemon,
+                "Peers failed to connect (timeout)");
+          }
+        GNUNET_CONTAINER_DLL_remove(send_hello_context->peer->connect_peers_head, send_hello_context->peer->connect_peers_tail, connection);
+        GNUNET_free(connection);
+        connection = connection->next;
+      }
+    GNUNET_SCHEDULER_add_now(&free_hello_context, send_hello_context);
+#if BAD
+    other_peer = &pg->peers[connection->index];
+#endif
+  }
+
+/**
+ * For peers that haven't yet connected, send
+ * CORE connect requests.
+ *
+ * @param cls the 'struct SendHelloContext *'
+ * @param tc scheduler context
+ */
+static void
+send_core_connect_requests (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+  {
+    struct SendHelloContext *send_hello_context = cls;
+    struct PeerConnection *conn;
+    GNUNET_assert(send_hello_context->peer->daemon->server != NULL);
+
+    send_hello_context->core_connect_task = GNUNET_SCHEDULER_NO_TASK;
+
+    send_hello_context->connect_attempts++;
+    if (send_hello_context->connect_attempts < send_hello_context->pg->ct_ctx.connect_attempts)
+      {
+        conn = send_hello_context->peer->connect_peers_head;
+        while (conn != NULL)
+          {
+            GNUNET_CORE_peer_request_connect(send_hello_context->peer->daemon->server,
+                &send_hello_context->pg->peers[conn->index].daemon->id,
+                NULL,
+                NULL);
+            conn = conn->next;
+          }
+        send_hello_context->core_connect_task = GNUNET_SCHEDULER_add_delayed(GNUNET_TIME_relative_divide(send_hello_context->pg->ct_ctx.connect_timeout, send_hello_context->pg->ct_ctx.connect_attempts) ,
+            &send_core_connect_requests,
+            send_hello_context);
+      }
+    else
+      {
+        GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Timeout before all connections created, marking rest as failed!\n");
+        GNUNET_SCHEDULER_add_now(&notify_remaining_connections_failed, send_hello_context);
+      }
+
+  }
+
+/**
+ * Success, connection is up.  Signal client our success.
+ *
+ * @param cls our "struct SendHelloContext"
+ * @param peer identity of the peer that has connected
+ * @param atsi performance information
+ *
+ * FIXME: remove peers from BOTH lists, call notify twice, should
+ * double the speed of connections as long as the list iteration
+ * doesn't take too long!
+ */
+static void
+core_connect_notify (void *cls,
+    const struct GNUNET_PeerIdentity *peer,
+    const struct GNUNET_TRANSPORT_ATS_Information *atsi)
+  {
+    struct SendHelloContext *send_hello_context = cls;
+    struct PeerConnection *connection;
+    struct GNUNET_TESTING_PeerGroup *pg = send_hello_context->pg;
+#if BAD
+    struct PeerData *other_peer;
+#endif
+#if DEBUG_TESTING
+    GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+        "Connected peer %s to peer %s\n",
+        ctx->d1->shortname, GNUNET_i2s(peer));
+#endif
+
+    if (0 == memcmp(&send_hello_context->peer->daemon->id, peer, sizeof(struct GNUNET_PeerIdentity)))
+    return;
+
+    connection = send_hello_context->peer->connect_peers_head;
+#if BAD
+    other_peer = NULL;
+#endif
+
+    while ((connection != NULL) &&
+        (0 != memcmp(&pg->peers[connection->index].daemon->id, peer, sizeof(struct GNUNET_PeerIdentity))))
+      {
+        connection = connection->next;
+      }
+
+    if (connection == NULL)
+      {
+        GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Connected peer %s to %s, not in list (no problem(?))\n", GNUNET_i2s(peer), send_hello_context->peer->daemon->shortname);
+      }
+    else
+      {
+#if BAD
+        other_peer = &pg->peers[connection->index];
+#endif
+        if (pg->notify_connection != NULL)
+          {
+            pg->notify_connection(pg->notify_connection_cls,
+                &send_hello_context->peer->daemon->id,
+                peer,
+                0, /* FIXME */
+                send_hello_context->peer->daemon->cfg,
+                pg->peers[connection->index].daemon->cfg,
+                send_hello_context->peer->daemon,
+                pg->peers[connection->index].daemon,
+                NULL);
+          }
+        GNUNET_CONTAINER_DLL_remove(send_hello_context->peer->connect_peers_head, send_hello_context->peer->connect_peers_tail, connection);
+        GNUNET_free(connection);
+      }
+
+#if BAD
+    /* Notify of reverse connection and remove from other peers list of outstanding */
+    if (other_peer != NULL)
+      {
+        connection = other_peer->connect_peers_head;
+        while ((connection != NULL) &&
+            (0 != memcmp(&send_hello_context->peer->daemon->id, &pg->peers[connection->index].daemon->id, sizeof(struct GNUNET_PeerIdentity))))
+          {
+            connection = connection->next;
+          }
+        if (connection != NULL)
+          {
+            if (pg->notify_connection != NULL)
+              {
+                pg->notify_connection(pg->notify_connection_cls,
+                    peer,
+                    &send_hello_context->peer->daemon->id,
+                    0, /* FIXME */
+                    pg->peers[connection->index].daemon->cfg,
+                    send_hello_context->peer->daemon->cfg,
+                    pg->peers[connection->index].daemon,
+                    send_hello_context->peer->daemon,
+                    NULL);
+              }
+
+            GNUNET_CONTAINER_DLL_remove(other_peer->connect_peers_head, other_peer->connect_peers_tail, connection);
+            GNUNET_free(connection);
+          }
+      }
 #endif
-      GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
-                                    (GNUNET_TIME_UNIT_MILLISECONDS, 100),
+
+    if (send_hello_context->peer->connect_peers_head == NULL)
+      {
+        GNUNET_SCHEDULER_add_now(&free_hello_context, send_hello_context);
+      }
+  }
+
+/**
+ * Notify of a successful connection to the core service.
+ *
+ * @param cls a struct SendHelloContext *
+ * @param server handle to the core service
+ * @param my_identity the peer identity of this peer
+ * @param publicKey the public key of the peer
+ */
+void
+core_init (void *cls,
+    struct GNUNET_CORE_Handle * server,
+    const struct GNUNET_PeerIdentity *
+    my_identity,
+    const struct
+    GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded *
+    publicKey)
+  {
+    struct SendHelloContext *send_hello_context = cls;
+    send_hello_context->core_ready = GNUNET_YES;
+  }
+
+/**
+ * Function called once a hello has been sent
+ * to the transport, move on to the next one
+ * or go away forever.
+ *
+ * @param cls the 'struct SendHelloContext *'
+ * @param tc scheduler context
+ */
+static void
+hello_sent_callback (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+  {
+    struct SendHelloContext *send_hello_context = cls;
+    //unsigned int pg_iter;
+    if ( (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN) != 0)
+      {
+        GNUNET_free(send_hello_context);
+        return;
+      }
+
+    send_hello_context->pg->remaining_hellos--;
+#if DEBUG_TESTING
+    GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Sent HELLO, have %d remaining!\n", send_hello_context->pg->remaining_hellos);
+#endif
+    if (send_hello_context->peer_pos == NULL) /* All HELLOs (for this peer!) have been transmitted! */
+      {
+#if DEBUG_TESTING
+        GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "All hellos for this peer sent, disconnecting transport!\n");
+#endif
+        GNUNET_assert(send_hello_context->peer->daemon->th != NULL);
+        GNUNET_TRANSPORT_disconnect(send_hello_context->peer->daemon->th);
+        send_hello_context->peer->daemon->th = NULL;
+
+        /*if (send_hello_context->pg->remaining_hellos == 0)
+         {
+         for (pg_iter = 0; pg_iter < send_hello_context->pg->max_outstanding_connections; pg_iter++)
+         {
+         preschedule_connect(&send_hello_context->pg->ct_ctx);
+         }
+         }
+         */
+        GNUNET_assert (send_hello_context->peer->daemon->server == NULL);
+        send_hello_context->peer->daemon->server = GNUNET_CORE_connect(send_hello_context->peer->cfg,
+            1,
+            send_hello_context,
+            &core_init,
+            &core_connect_notify,
+            NULL,
+            NULL,
+            NULL, GNUNET_NO,
+            NULL, GNUNET_NO,
+            no_handlers);
+
+        send_hello_context->core_connect_task = GNUNET_SCHEDULER_add_delayed(GNUNET_TIME_relative_divide(send_hello_context->pg->ct_ctx.connect_timeout, send_hello_context->pg->ct_ctx.connect_attempts),
+            &send_core_connect_requests,
+            send_hello_context);
+      }
+    else
+    GNUNET_SCHEDULER_add_now(&schedule_send_hellos, send_hello_context);
+  }
+
+/**
+ * Connect to a peer, give it all the HELLO's of those peers
+ * we will later ask it to connect to.
+ *
+ * @param ct_ctx the overall connection context
+ */
+static void schedule_send_hellos (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+  {
+    struct SendHelloContext *send_hello_context = cls;
+    struct GNUNET_TESTING_PeerGroup *pg = send_hello_context->pg;
+
+    if ( (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN) != 0)
+      {
+        GNUNET_free(send_hello_context);
+        return;
+      }
+
+    GNUNET_assert(send_hello_context->peer_pos != NULL); /* All of the HELLO sends to be scheduled have been scheduled! */
+
+    if (((send_hello_context->peer->daemon->th == NULL) &&
+            (pg->outstanding_connects > pg->max_outstanding_connections)) ||
+        (pg->stop_connects == GNUNET_YES))
+      {
+#if VERBOSE_TESTING > 2
+        GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+            _
+            ("Delaying connect, we have too many outstanding connections!\n"));
+#endif
+        GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
+            (GNUNET_TIME_UNIT_MILLISECONDS, 100),
+            &schedule_send_hellos, send_hello_context);
+      }
+    else
+      {
+#if VERBOSE_TESTING > 2
+        GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+            _("Creating connection, outstanding_connections is %d\n"),
+            outstanding_connects);
+#endif
+        if (send_hello_context->peer->daemon->th == NULL)
+          {
+            pg->outstanding_connects++; /* Actual TRANSPORT, CORE connections! */
+            send_hello_context->peer->daemon->th
+                = GNUNET_TRANSPORT_connect (send_hello_context->peer->cfg, NULL,
+                                            send_hello_context, NULL, NULL, NULL);
+          }
+#if DEBUG_TESTING
+        GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+            _("Offering Hello of peer %s to peer %s\n"),
+            send_hello_context->peer->daemon->shortname, pg->peers[send_hello_context->peer_pos->index].daemon->shortname);
+#endif
+        GNUNET_TRANSPORT_offer_hello(send_hello_context->peer->daemon->th,
+            (const struct GNUNET_MessageHeader *)pg->peers[send_hello_context->peer_pos->index].daemon->hello,
+            &hello_sent_callback,
+            send_hello_context);
+        send_hello_context->peer_pos = send_hello_context->peer_pos->next;
+        GNUNET_assert(send_hello_context->peer->daemon->th != NULL);
+      }
+  }
+#endif
+
+/**
+ * Internal notification of a connection, kept so that we can ensure some connections
+ * happen instead of flooding all testing daemons with requests to connect.
+ */
+static void
+internal_connect_notify(void *cls, const struct GNUNET_PeerIdentity *first,
+                        const struct GNUNET_PeerIdentity *second,
+                        uint32_t distance,
+                        const struct GNUNET_CONFIGURATION_Handle *first_cfg,
+                        const struct GNUNET_CONFIGURATION_Handle *second_cfg,
+                        struct GNUNET_TESTING_Daemon *first_daemon,
+                        struct GNUNET_TESTING_Daemon *second_daemon,
+                        const char *emsg)
+{
+  struct ConnectContext *connect_ctx = cls;
+  struct ConnectTopologyContext *ct_ctx = connect_ctx->ct_ctx;
+  struct GNUNET_TESTING_PeerGroup *pg = ct_ctx->pg;
+  struct PeerConnection *connection;
+
+  GNUNET_assert (0 < pg->outstanding_connects);
+  pg->outstanding_connects--;
+
+  /*
+   * Check whether the inverse connection has been scheduled yet,
+   * if not, we can remove it from the other peers list and avoid
+   * even trying to connect them again!
+   */
+  connection = pg->peers[connect_ctx->second_index].connect_peers_head;
+#if BAD
+  other_peer = NULL;
+#endif
+
+  while ((connection != NULL) && (0
+      != memcmp (first, &pg->peers[connection->index].daemon->id,
+                 sizeof(struct GNUNET_PeerIdentity))))
+    {
+      connection = connection->next;
+    }
+
+  if (connection != NULL) /* Can safely remove! */
+    {
+      GNUNET_assert (0 < ct_ctx->remaining_connections);
+      ct_ctx->remaining_connections--;
+      if (pg->notify_connection != NULL) /* Notify of reverse connection */
+        pg->notify_connection (pg->notify_connection_cls, second, first,
+                               distance, second_cfg, first_cfg, second_daemon,
+                               first_daemon, emsg);
+
+      GNUNET_CONTAINER_DLL_remove(pg->peers[connect_ctx->second_index].connect_peers_head, pg->peers[connect_ctx->second_index].connect_peers_tail, connection);
+      GNUNET_free(connection);
+    }
+
+  if (ct_ctx->remaining_connections == 0)
+    {
+      if (ct_ctx->notify_connections_done != NULL)
+       {
+         ct_ctx->notify_connections_done (ct_ctx->notify_cls, NULL);
+         ct_ctx->notify_connections_done = NULL;
+       }
+    }
+  else
+    preschedule_connect (pg);
+
+  if (pg->notify_connection != NULL)
+    pg->notify_connection (pg->notify_connection_cls, first, second, distance,
+                           first_cfg, second_cfg, first_daemon, second_daemon,
+                           emsg);
+
+  GNUNET_free(connect_ctx);
+}
+
+/**
+ * Either delay a connection (because there are too many outstanding)
+ * or schedule it for right now.
+ *
+ * @param cls a connection context
+ * @param tc the task runtime context
+ */
+static void
+schedule_connect(void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+  struct ConnectContext *connect_context = cls;
+  struct GNUNET_TESTING_PeerGroup *pg = connect_context->ct_ctx->pg;
+
+  if ( (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN) != 0)
+    return;
+
+  if ((pg->outstanding_connects > pg->max_outstanding_connections)
+      || (pg->stop_connects == GNUNET_YES))
+    {
+#if VERBOSE_TESTING
+      GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+          _
+          ("Delaying connect, we have too many outstanding connections!\n"));
+#endif
+      GNUNET_SCHEDULER_add_delayed (
+                                    GNUNET_TIME_relative_multiply (
+                                                                   GNUNET_TIME_UNIT_MILLISECONDS,
+                                                                   100),
                                     &schedule_connect, connect_context);
     }
   else
     {
-#if VERBOSE_TESTING > 2
-      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                  _("Creating connection, outstanding_connections is %d\n"),
-                  outstanding_connects);
-#endif
-      outstanding_connects++;
-      GNUNET_TESTING_daemons_connect (connect_context->first,
-                                      connect_context->second,
-                                      CONNECT_TIMEOUT,
-                                      CONNECT_ATTEMPTS,
-                                      &internal_connect_notify,
-                                      connect_context->ct_ctx);
-      GNUNET_free (connect_context);
+#if VERBOSE_TESTING
+      GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+          _("Creating connection, outstanding_connections is %d (max %d)\n"),
+          pg->outstanding_connects, pg->max_outstanding_connections);
+#endif
+      pg->outstanding_connects++;
+      pg->total_connects_scheduled++;
+      GNUNET_TESTING_daemons_connect (
+                                      pg->peers[connect_context->first_index].daemon,
+                                      pg->peers[connect_context->second_index].daemon,
+                                      connect_context->ct_ctx->connect_timeout,
+                                      connect_context->ct_ctx->connect_attempts,
+#if USE_SEND_HELLOS
+                                      GNUNET_NO,
+#else
+                                      GNUNET_YES,
+#endif
+                                      &internal_connect_notify, connect_context); /* FIXME: free connect context! */
     }
 }
 
@@ -2854,20 +3650,20 @@ schedule_connect (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
  */
 static int
 connect_iterator (void *cls, const GNUNET_HashCode * key, void *value)
-{
-  struct ConnectTopologyContext *ct_ctx = cls;
-  struct PeerData *first = ct_ctx->first;
-  struct GNUNET_TESTING_Daemon *second = value;
-  struct ConnectContext *connect_context;
-
-  connect_context = GNUNET_malloc (sizeof (struct ConnectContext));
-  connect_context->first = first->daemon;
-  connect_context->second = second;
-  connect_context->ct_ctx = ct_ctx;
-  GNUNET_SCHEDULER_add_now (&schedule_connect, connect_context);
-
-  return GNUNET_YES;
-}
+  {
+    struct ConnectTopologyContext *ct_ctx = cls;
+    struct PeerData *first = ct_ctx->first;
+    struct GNUNET_TESTING_Daemon *second = value;
+    struct ConnectContext *connect_context;
+
+    connect_context = GNUNET_malloc (sizeof (struct ConnectContext));
+    connect_context->first = first->daemon;
+    connect_context->second = second;
+    connect_context->ct_ctx = ct_ctx;
+    GNUNET_SCHEDULER_add_now (&schedule_connect, connect_context);
+
+    return GNUNET_YES;
+  }
 #endif
 
 #if !OLD
@@ -2883,16 +3679,16 @@ connect_iterator (void *cls, const GNUNET_HashCode * key, void *value)
  */
 static int
 copy_topology_iterator (void *cls, const GNUNET_HashCode * key, void *value)
-{
-  struct PeerData *first = cls;
+  {
+    struct PeerData *first = cls;
 
-  GNUNET_assert (GNUNET_OK ==
-                 GNUNET_CONTAINER_multihashmap_put (first->connect_peers, key,
-                                                    value,
-                                                    GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY));
+    GNUNET_assert (GNUNET_OK ==
+        GNUNET_CONTAINER_multihashmap_put (first->connect_peers, key,
+            value,
+            GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY));
 
-  return GNUNET_YES;
-}
+    return GNUNET_YES;
+  }
 #endif
 
 /**
@@ -2902,7 +3698,7 @@ copy_topology_iterator (void *cls, const GNUNET_HashCode * key, void *value)
  * @param pg the peer group
  */
 static int
-copy_allowed_topology (struct GNUNET_TESTING_PeerGroup *pg)
+copy_allowed_topology(struct GNUNET_TESTING_PeerGroup *pg)
 {
   unsigned int pg_iter;
   int ret;
@@ -2918,17 +3714,20 @@ copy_allowed_topology (struct GNUNET_TESTING_PeerGroup *pg)
       iter = pg->peers[pg_iter].allowed_peers_head;
       while (iter != NULL)
         {
-          GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Creating connection between %d and %d\n", pg_iter, iter->index);
-          total += add_connections(pg, pg_iter, iter->index, CONNECT);
+          GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+                      "Creating connection between %d and %d\n", pg_iter,
+                      iter->index);
+          total += add_connections (pg, pg_iter, iter->index, CONNECT,
+                                    GNUNET_YES);
           //total += add_actual_connections(pg, pg_iter, iter->index);
           iter = iter->next;
         }
 #else
       ret =
-        GNUNET_CONTAINER_multihashmap_iterate (pg->
-                                               peers[pg_iter].allowed_peers,
-                                               &copy_topology_iterator,
-                                               &pg->peers[pg_iter]);
+      GNUNET_CONTAINER_multihashmap_iterate (pg->
+          peers[pg_iter].allowed_peers,
+          &copy_topology_iterator,
+          &pg->peers[pg_iter]);
 #endif
       if (GNUNET_SYSERR == ret)
         return GNUNET_SYSERR;
@@ -2939,37 +3738,39 @@ copy_allowed_topology (struct GNUNET_TESTING_PeerGroup *pg)
   return total;
 }
 
-
 /**
  * Connect the topology as specified by the PeerConnection's
  * of each peer in the peer group
  *
  * @param pg the peer group we are dealing with
+ * @param connect_timeout how long try connecting two peers
+ * @param connect_attempts how many times (max) to attempt
  * @param notify_callback callback to notify when finished
  * @param notify_cls closure for notify callback
  *
  * @return the number of connections that will be attempted
  */
 static int
-connect_topology (struct GNUNET_TESTING_PeerGroup *pg,
-                  GNUNET_TESTING_NotifyCompletion notify_callback,
-                  void *notify_cls)
+connect_topology(struct GNUNET_TESTING_PeerGroup *pg,
+                 struct GNUNET_TIME_Relative connect_timeout,
+                 unsigned int connect_attempts,
+                 GNUNET_TESTING_NotifyCompletion notify_callback,
+                 void *notify_cls)
 {
   unsigned int pg_iter;
   unsigned int total;
-  struct ConnectTopologyContext *ct_ctx;
+
 #if OLD
   struct PeerConnection *connection_iter;
-  struct ConnectContext *connect_context;
-#else
-  int ret;
+#endif
+#if USE_SEND_HELLOS
+  struct SendHelloContext *send_hello_context;
 #endif
 
   total = 0;
-  ct_ctx = GNUNET_malloc (sizeof (struct ConnectTopologyContext));
-  ct_ctx->notify_connections_done = notify_callback;
-  ct_ctx->notify_cls = notify_cls;
-  ct_ctx->pg = pg;
+  pg->ct_ctx.notify_connections_done = notify_callback;
+  pg->ct_ctx.notify_cls = notify_cls;
+  pg->ct_ctx.pg = pg;
 
   for (pg_iter = 0; pg_iter < pg->total; pg_iter++)
     {
@@ -2982,45 +3783,37 @@ connect_topology (struct GNUNET_TESTING_PeerGroup *pg,
         }
 #else
       total +=
-        GNUNET_CONTAINER_multihashmap_size (pg->peers[pg_iter].connect_peers);
+      GNUNET_CONTAINER_multihashmap_size (pg->peers[pg_iter].connect_peers);
 #endif
     }
 
   if (total == 0)
-    {
-      GNUNET_free (ct_ctx);
-      return total;
-    }
-  ct_ctx->remaining_connections = total;
-  total = 0;
+    return total;
 
+  pg->ct_ctx.connect_timeout = connect_timeout;
+  pg->ct_ctx.connect_attempts = connect_attempts;
+  pg->ct_ctx.remaining_connections = total;
+
+#if USE_SEND_HELLOS
+  /* First give all peers the HELLO's of other peers (connect to first peer's transport service, give HELLO's of other peers, continue...) */
+  pg->remaining_hellos = total;
   for (pg_iter = 0; pg_iter < pg->total; pg_iter++)
     {
-#if OLD
-      connection_iter = pg->peers[pg_iter].connect_peers_head;
-      while (connection_iter != NULL)
-        {
-          GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Scheduling connect of peer %d to peer %d\n", pg_iter, connection_iter->index);
-          connect_context = GNUNET_malloc (sizeof (struct ConnectContext));
-          connect_context->first = pg->peers[pg_iter].daemon;
-          connect_context->second = pg->peers[connection_iter->index].daemon;
-          connect_context->ct_ctx = ct_ctx;
-          GNUNET_SCHEDULER_add_now (&schedule_connect, connect_context);
-          connection_iter = connection_iter->next;
-          total++;
-        }
+      send_hello_context = GNUNET_malloc(sizeof(struct SendHelloContext));
+      send_hello_context->peer = &pg->peers[pg_iter];
+      send_hello_context->peer_pos = pg->peers[pg_iter].connect_peers_head;
+      send_hello_context->pg = pg;
+      GNUNET_SCHEDULER_add_now(&schedule_send_hellos, send_hello_context);
+    }
 #else
-      ret =
-        GNUNET_CONTAINER_multihashmap_iterate (pg->
-                                               peers[pg_iter].connect_peers,
-                                               &connect_iterator, ct_ctx);
-      GNUNET_assert (GNUNET_SYSERR != ret && ret >= 0);
-      total = total + ret;
-#endif
+  for (pg_iter = 0; pg_iter < pg->max_outstanding_connections; pg_iter++)
+    {
+      preschedule_connect (pg);
     }
+#endif
   return total;
-}
 
+}
 
 /**
  * Takes a peer group and creates a topology based on the
@@ -3044,131 +3837,135 @@ connect_topology (struct GNUNET_TESTING_PeerGroup *pg,
  *         connected to each other
  */
 unsigned int
-GNUNET_TESTING_create_topology (struct GNUNET_TESTING_PeerGroup *pg,
-                                enum GNUNET_TESTING_Topology topology,
-                                enum GNUNET_TESTING_Topology
-                                restrict_topology,
-                                const char *restrict_transports)
+GNUNET_TESTING_create_topology(struct GNUNET_TESTING_PeerGroup *pg,
+                               enum GNUNET_TESTING_Topology topology,
+                               enum GNUNET_TESTING_Topology restrict_topology,
+                               const char *restrict_transports)
 {
   int ret;
 
   unsigned int num_connections;
   int unblacklisted_connections;
   char *filename;
+  struct PeerConnection *conn_iter;
+  struct PeerConnection *temp_conn;
+  unsigned int off;
 
 #if !OLD
   unsigned int i;
   for (i = 0; i < pg->total; i++)
     {
       pg->peers[i].allowed_peers =
-        GNUNET_CONTAINER_multihashmap_create (100);
+      GNUNET_CONTAINER_multihashmap_create (100);
       pg->peers[i].connect_peers =
-        GNUNET_CONTAINER_multihashmap_create (100);
+      GNUNET_CONTAINER_multihashmap_create (100);
       pg->peers[i].blacklisted_peers =
-        GNUNET_CONTAINER_multihashmap_create (100);
+      GNUNET_CONTAINER_multihashmap_create (100);
       pg->peers[i].pg = pg;
     }
 #endif
 
   switch (topology)
     {
-    case GNUNET_TESTING_TOPOLOGY_CLIQUE:
+  case GNUNET_TESTING_TOPOLOGY_CLIQUE:
 #if VERBOSE_TESTING
-      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, _("Creating clique topology\n"));
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, _("Creating clique topology\n"));
 #endif
-      num_connections = create_clique (pg, &add_connections, ALLOWED);
-      break;
-    case GNUNET_TESTING_TOPOLOGY_SMALL_WORLD_RING:
+    num_connections = create_clique (pg, &add_connections, ALLOWED, GNUNET_NO);
+    break;
+  case GNUNET_TESTING_TOPOLOGY_SMALL_WORLD_RING:
 #if VERBOSE_TESTING
-      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                  _("Creating small world (ring) topology\n"));
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+        _("Creating small world (ring) topology\n"));
 #endif
-      num_connections =
-        create_small_world_ring (pg, &add_connections, ALLOWED);
-      break;
-    case GNUNET_TESTING_TOPOLOGY_SMALL_WORLD:
+    num_connections = create_small_world_ring (pg, &add_connections, ALLOWED);
+    break;
+  case GNUNET_TESTING_TOPOLOGY_SMALL_WORLD:
 #if VERBOSE_TESTING
-      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                  _("Creating small world (2d-torus) topology\n"));
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+        _("Creating small world (2d-torus) topology\n"));
 #endif
-      num_connections = create_small_world (pg, &add_connections, ALLOWED);
-      break;
-    case GNUNET_TESTING_TOPOLOGY_RING:
+    num_connections = create_small_world (pg, &add_connections, ALLOWED);
+    break;
+  case GNUNET_TESTING_TOPOLOGY_RING:
 #if VERBOSE_TESTING
-      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, _("Creating ring topology\n"));
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, _("Creating ring topology\n"));
 #endif
-      num_connections = create_ring (pg, &add_connections, ALLOWED);
-      break;
-    case GNUNET_TESTING_TOPOLOGY_2D_TORUS:
+    num_connections = create_ring (pg, &add_connections, ALLOWED);
+    break;
+  case GNUNET_TESTING_TOPOLOGY_2D_TORUS:
 #if VERBOSE_TESTING
-      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, _("Creating 2d torus topology\n"));
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, _("Creating 2d torus topology\n"));
 #endif
-      num_connections = create_2d_torus (pg, &add_connections, ALLOWED);
-      break;
-    case GNUNET_TESTING_TOPOLOGY_ERDOS_RENYI:
+    num_connections = create_2d_torus (pg, &add_connections, ALLOWED);
+    break;
+  case GNUNET_TESTING_TOPOLOGY_ERDOS_RENYI:
 #if VERBOSE_TESTING
-      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                  _("Creating Erdos-Renyi topology\n"));
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+        _("Creating Erdos-Renyi topology\n"));
 #endif
-      num_connections = create_erdos_renyi (pg, &add_connections, ALLOWED);
-      break;
-    case GNUNET_TESTING_TOPOLOGY_INTERNAT:
+    num_connections = create_erdos_renyi (pg, &add_connections, ALLOWED);
+    break;
+  case GNUNET_TESTING_TOPOLOGY_INTERNAT:
 #if VERBOSE_TESTING
-      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, _("Creating InterNAT topology\n"));
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, _("Creating InterNAT topology\n"));
 #endif
-      num_connections = create_nated_internet (pg, &add_connections, ALLOWED);
-      break;
-    case GNUNET_TESTING_TOPOLOGY_SCALE_FREE:
+    num_connections = create_nated_internet (pg, &add_connections, ALLOWED);
+    break;
+  case GNUNET_TESTING_TOPOLOGY_SCALE_FREE:
 #if VERBOSE_TESTING
-      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                  _("Creating Scale Free topology\n"));
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+        _("Creating Scale Free topology\n"));
 #endif
-      num_connections = create_scale_free (pg, &add_connections, ALLOWED);
-      break;
-    case GNUNET_TESTING_TOPOLOGY_LINE:
+    num_connections = create_scale_free (pg, &add_connections, ALLOWED);
+    break;
+  case GNUNET_TESTING_TOPOLOGY_LINE:
 #if VERBOSE_TESTING
-      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                  _("Creating straight line topology\n"));
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+        _("Creating straight line topology\n"));
 #endif
-      num_connections = create_line (pg, &add_connections, ALLOWED);
-      break;
-    case GNUNET_TESTING_TOPOLOGY_FROM_FILE:
+    num_connections = create_line (pg, &add_connections, ALLOWED);
+    break;
+  case GNUNET_TESTING_TOPOLOGY_FROM_FILE:
 #if VERBOSE_TESTING
-      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                  _("Creating topology from file!\n"));
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+        _("Creating topology from file!\n"));
 #endif
-      if (GNUNET_OK ==
-          GNUNET_CONFIGURATION_get_value_string (pg->cfg, "testing", "topology_file",
-                                                 &filename))
-        num_connections = create_from_file (pg, filename, &add_connections, ALLOWED);
-      else
+    if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_string (pg->cfg, "testing",
+                                                            "topology_file",
+                                                            &filename))
+      num_connections = create_from_file (pg, filename, &add_connections,
+                                          ALLOWED);
+    else
       {
-        GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Missing configuration option TESTING:TOPOLOGY_FILE for creating topology from file!");
+        GNUNET_log (
+                    GNUNET_ERROR_TYPE_WARNING,
+                    "Missing configuration option TESTING:TOPOLOGY_FILE for creating topology from file!\n");
         num_connections = 0;
       }
-      break;
-    case GNUNET_TESTING_TOPOLOGY_NONE:
+    break;
+  case GNUNET_TESTING_TOPOLOGY_NONE:
 #if VERBOSE_TESTING
-      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                  _
-                  ("Creating no allowed topology (all peers can connect at core level)\n"));
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+        _
+        ("Creating no allowed topology (all peers can connect at core level)\n"));
 #endif
-      num_connections = 0;
-      break;
-    default:
-      num_connections = 0;
-      break;
+    num_connections = pg->total * pg->total; /* Clique is allowed! */
+    break;
+  default:
+    num_connections = 0;
+    break;
     }
 
-  if (GNUNET_YES ==
-      GNUNET_CONFIGURATION_get_value_yesno (pg->cfg, "TESTING", "F2F"))
+  if (GNUNET_YES == GNUNET_CONFIGURATION_get_value_yesno (pg->cfg, "TESTING",
+                                                          "F2F"))
     {
       ret = create_and_copy_friend_files (pg);
       if (ret != GNUNET_OK)
         {
 #if VERBOSE_TESTING
           GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                      _("Failed during friend file copying!\n"));
+              _("Failed during friend file copying!\n"));
 #endif
           return GNUNET_SYSERR;
         }
@@ -3176,114 +3973,149 @@ GNUNET_TESTING_create_topology (struct GNUNET_TESTING_PeerGroup *pg,
         {
 #if VERBOSE_TESTING
           GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                      _("Friend files created/copied successfully!\n"));
+              _("Friend files created/copied successfully!\n"));
 #endif
         }
     }
 
   /* Use the create clique method to initially set all connections as blacklisted. */
-  if ((restrict_topology != GNUNET_TESTING_TOPOLOGY_NONE) && (restrict_topology != GNUNET_TESTING_TOPOLOGY_FROM_FILE))
-    create_clique (pg, &add_connections, BLACKLIST);
+  if ((restrict_topology != GNUNET_TESTING_TOPOLOGY_NONE) && (restrict_topology
+      != GNUNET_TESTING_TOPOLOGY_FROM_FILE))
+    create_clique (pg, &add_connections, BLACKLIST, GNUNET_NO);
+  else
+    return num_connections;
 
   unblacklisted_connections = 0;
   /* Un-blacklist connections as per the topology specified */
   switch (restrict_topology)
     {
-    case GNUNET_TESTING_TOPOLOGY_CLIQUE:
+  case GNUNET_TESTING_TOPOLOGY_CLIQUE:
 #if VERBOSE_TESTING
-      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                  _("Blacklisting all but clique topology\n"));
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+        _("Blacklisting all but clique topology\n"));
 #endif
-      unblacklisted_connections =
-        create_clique (pg, &remove_connections, BLACKLIST);
-      break;
-    case GNUNET_TESTING_TOPOLOGY_SMALL_WORLD_RING:
+    unblacklisted_connections = create_clique (pg, &remove_connections,
+                                               BLACKLIST, GNUNET_NO);
+    break;
+  case GNUNET_TESTING_TOPOLOGY_SMALL_WORLD_RING:
 #if VERBOSE_TESTING
-      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                  _("Blacklisting all but small world (ring) topology\n"));
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+        _("Blacklisting all but small world (ring) topology\n"));
 #endif
-      unblacklisted_connections =
-        create_small_world_ring (pg, &remove_connections, BLACKLIST);
-      break;
-    case GNUNET_TESTING_TOPOLOGY_SMALL_WORLD:
+    unblacklisted_connections = create_small_world_ring (pg,
+                                                         &remove_connections,
+                                                         BLACKLIST);
+    break;
+  case GNUNET_TESTING_TOPOLOGY_SMALL_WORLD:
 #if VERBOSE_TESTING
-      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                  _
-                  ("Blacklisting all but small world (2d-torus) topology\n"));
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+        _
+        ("Blacklisting all but small world (2d-torus) topology\n"));
 #endif
-      unblacklisted_connections =
-        create_small_world (pg, &remove_connections, BLACKLIST);
-      break;
-    case GNUNET_TESTING_TOPOLOGY_RING:
+    unblacklisted_connections = create_small_world (pg, &remove_connections,
+                                                    BLACKLIST);
+    break;
+  case GNUNET_TESTING_TOPOLOGY_RING:
 #if VERBOSE_TESTING
-      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                  _("Blacklisting all but ring topology\n"));
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+        _("Blacklisting all but ring topology\n"));
 #endif
-      unblacklisted_connections = create_ring (pg, &remove_connections, BLACKLIST);
-      break;
-    case GNUNET_TESTING_TOPOLOGY_2D_TORUS:
+    unblacklisted_connections
+        = create_ring (pg, &remove_connections, BLACKLIST);
+    break;
+  case GNUNET_TESTING_TOPOLOGY_2D_TORUS:
 #if VERBOSE_TESTING
-      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                  _("Blacklisting all but 2d torus topology\n"));
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+        _("Blacklisting all but 2d torus topology\n"));
 #endif
-      unblacklisted_connections =
-        create_2d_torus (pg, &remove_connections, BLACKLIST);
-      break;
-    case GNUNET_TESTING_TOPOLOGY_ERDOS_RENYI:
+    unblacklisted_connections = create_2d_torus (pg, &remove_connections,
+                                                 BLACKLIST);
+    break;
+  case GNUNET_TESTING_TOPOLOGY_ERDOS_RENYI:
 #if VERBOSE_TESTING
-      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                  _("Blacklisting all but Erdos-Renyi topology\n"));
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+        _("Blacklisting all but Erdos-Renyi topology\n"));
 #endif
-      unblacklisted_connections =
-        create_erdos_renyi (pg, &remove_connections, BLACKLIST);
-      break;
-    case GNUNET_TESTING_TOPOLOGY_INTERNAT:
+    unblacklisted_connections = create_erdos_renyi (pg, &remove_connections,
+                                                    BLACKLIST);
+    break;
+  case GNUNET_TESTING_TOPOLOGY_INTERNAT:
 #if VERBOSE_TESTING
-      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                  _("Blacklisting all but InterNAT topology\n"));
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+        _("Blacklisting all but InterNAT topology\n"));
 #endif
-      unblacklisted_connections =
-        create_nated_internet (pg, &remove_connections, BLACKLIST);
-      break;
-    case GNUNET_TESTING_TOPOLOGY_SCALE_FREE:
-#if VERBOSE_TESTING
-      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                  _("Blacklisting all but Scale Free topology\n"));
+
+#if TOPOLOGY_HACK
+    for (off = 0; off < pg->total; off++)
+      {
+        conn_iter = pg->peers[off].allowed_peers_head;
+        while (conn_iter != NULL)
+          {
+            temp_conn = conn_iter->next;
+            GNUNET_free(conn_iter);
+            conn_iter = temp_conn;
+          }
+        pg->peers[off].allowed_peers_head = NULL;
+        pg->peers[off].allowed_peers_tail = NULL;
+
+        conn_iter = pg->peers[off].connect_peers_head;
+        while (conn_iter != NULL)
+          {
+            temp_conn = conn_iter->next;
+            GNUNET_free(conn_iter);
+            conn_iter = temp_conn;
+          }
+        pg->peers[off].connect_peers_head = NULL;
+        pg->peers[off].connect_peers_tail = NULL;
+      }
+    unblacklisted_connections
+        = create_nated_internet_copy (pg, &remove_connections, BLACKLIST);
+#else
+    unblacklisted_connections =
+    create_nated_internet (pg, &remove_connections, BLACKLIST);
 #endif
-      unblacklisted_connections =
-        create_scale_free (pg, &remove_connections, BLACKLIST);
-      break;
-    case GNUNET_TESTING_TOPOLOGY_LINE:
+
+    break;
+  case GNUNET_TESTING_TOPOLOGY_SCALE_FREE:
 #if VERBOSE_TESTING
-      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                  _("Blacklisting all but straight line topology\n"));
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+        _("Blacklisting all but Scale Free topology\n"));
 #endif
-      unblacklisted_connections = create_line (pg, &remove_connections, BLACKLIST);
-      break;
-    case GNUNET_TESTING_TOPOLOGY_NONE: /* Fall through */
-    case GNUNET_TESTING_TOPOLOGY_FROM_FILE:
+    unblacklisted_connections = create_scale_free (pg, &remove_connections,
+                                                   BLACKLIST);
+    break;
+  case GNUNET_TESTING_TOPOLOGY_LINE:
 #if VERBOSE_TESTING
-      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                  _
-                  ("Creating no blacklist topology (all peers can connect at transport level)\n"));
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+        _("Blacklisting all but straight line topology\n"));
 #endif
+    unblacklisted_connections
+        = create_line (pg, &remove_connections, BLACKLIST);
+    break;
+  case GNUNET_TESTING_TOPOLOGY_NONE: /* Fall through */
+  case GNUNET_TESTING_TOPOLOGY_FROM_FILE:
+#if VERBOSE_TESTING
     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                _
-                ("Creating blacklist topology from allowed\n"));
+        _
+        ("Creating no blacklist topology (all peers can connect at transport level)\n"));
+#endif
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, _
+    ("Creating blacklist topology from allowed\n"));
     unblacklisted_connections = copy_allowed (pg, &remove_connections);
-    default:
-      break;
+  default:
+    break;
     }
 
   if ((unblacklisted_connections > 0) && (restrict_transports != NULL))
     {
-      GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Creating blacklist with `%s'\n", restrict_transports);
+      GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Creating blacklist with `%s'\n",
+                  restrict_transports);
       ret = create_and_copy_blacklist_files (pg, restrict_transports);
       if (ret != GNUNET_OK)
         {
 #if VERBOSE_TESTING
           GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                      _("Failed during blacklist file copying!\n"));
+              _("Failed during blacklist file copying!\n"));
 #endif
           return 0;
         }
@@ -3291,14 +4123,13 @@ GNUNET_TESTING_create_topology (struct GNUNET_TESTING_PeerGroup *pg,
         {
 #if VERBOSE_TESTING
           GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                      _("Blacklist files created/copied successfully!\n"));
+              _("Blacklist files created/copied successfully!\n"));
 #endif
         }
     }
   return num_connections;
 }
 
-
 #if !OLD
 /**
  * Iterator for choosing random peers to connect.
@@ -3311,39 +4142,38 @@ GNUNET_TESTING_create_topology (struct GNUNET_TESTING_PeerGroup *pg,
  */
 static int
 random_connect_iterator (void *cls, const GNUNET_HashCode * key, void *value)
-{
-  struct RandomContext *random_ctx = cls;
-  double random_number;
-  uint32_t second_pos;
-  GNUNET_HashCode first_hash;
-  random_number =
+  {
+    struct RandomContext *random_ctx = cls;
+    double random_number;
+    uint32_t second_pos;
+    GNUNET_HashCode first_hash;
+    random_number =
     ((double)
-     GNUNET_CRYPTO_random_u64 (GNUNET_CRYPTO_QUALITY_WEAK,
-                               UINT64_MAX)) / ((double) UINT64_MAX);
-  if (random_number < random_ctx->percentage)
-    {
-      GNUNET_assert (GNUNET_OK ==
-                     GNUNET_CONTAINER_multihashmap_put (random_ctx->
-                                                        first->connect_peers_working_set,
-                                                        key, value,
-                                                        GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY));
-    }
-
-  /* Now we have considered this particular connection, remove it from the second peer so it's not double counted */
-  uid_from_hash (key, &second_pos);
-  hash_from_uid (random_ctx->first_uid, &first_hash);
-  GNUNET_assert (random_ctx->pg->total > second_pos);
-  GNUNET_assert (GNUNET_YES ==
-                 GNUNET_CONTAINER_multihashmap_remove (random_ctx->
-                                                       pg->peers
-                                                       [second_pos].connect_peers,
-                                                       &first_hash,
-                                                       random_ctx->
-                                                       first->daemon));
-
-  return GNUNET_YES;
-}
+        GNUNET_CRYPTO_random_u64 (GNUNET_CRYPTO_QUALITY_WEAK,
+            UINT64_MAX)) / ((double) UINT64_MAX);
+    if (random_number < random_ctx->percentage)
+      {
+        GNUNET_assert (GNUNET_OK ==
+            GNUNET_CONTAINER_multihashmap_put (random_ctx->
+                first->connect_peers_working_set,
+                key, value,
+                GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY));
+      }
 
+    /* Now we have considered this particular connection, remove it from the second peer so it's not double counted */
+    uid_from_hash (key, &second_pos);
+    hash_from_uid (random_ctx->first_uid, &first_hash);
+    GNUNET_assert (random_ctx->pg->total > second_pos);
+    GNUNET_assert (GNUNET_YES ==
+        GNUNET_CONTAINER_multihashmap_remove (random_ctx->
+            pg->peers
+            [second_pos].connect_peers,
+            &first_hash,
+            random_ctx->
+            first->daemon));
+
+    return GNUNET_YES;
+  }
 
 /**
  * Iterator for adding at least X peers to a peers connection set.
@@ -3356,50 +4186,49 @@ random_connect_iterator (void *cls, const GNUNET_HashCode * key, void *value)
  */
 static int
 minimum_connect_iterator (void *cls, const GNUNET_HashCode * key, void *value)
-{
-  struct MinimumContext *min_ctx = cls;
-  uint32_t second_pos;
-  GNUNET_HashCode first_hash;
-  unsigned int i;
-
-  if (GNUNET_CONTAINER_multihashmap_size
-      (min_ctx->first->connect_peers_working_set) < min_ctx->num_to_add)
-    {
-      for (i = 0; i < min_ctx->num_to_add; i++)
-        {
-          if (min_ctx->pg_array[i] == min_ctx->current)
-            {
-              GNUNET_assert (GNUNET_OK ==
-                             GNUNET_CONTAINER_multihashmap_put
-                             (min_ctx->first->connect_peers_working_set, key,
-                              value,
-                              GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY));
-              uid_from_hash (key, &second_pos);
-              hash_from_uid (min_ctx->first_uid, &first_hash);
-              GNUNET_assert (min_ctx->pg->total > second_pos);
-              GNUNET_assert (GNUNET_OK ==
-                             GNUNET_CONTAINER_multihashmap_put (min_ctx->
-                                                                pg->peers
-                                                                [second_pos].connect_peers_working_set,
-                                                                &first_hash,
-                                                                min_ctx->first->
-                                                                daemon,
-                                                                GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY));
-              /* Now we have added this particular connection, remove it from the second peer's map so it's not double counted */
-              GNUNET_assert (GNUNET_YES ==
-                             GNUNET_CONTAINER_multihashmap_remove
-                             (min_ctx->pg->peers[second_pos].connect_peers,
-                              &first_hash, min_ctx->first->daemon));
-            }
-        }
-      min_ctx->current++;
-      return GNUNET_YES;
-    }
-  else
-    return GNUNET_NO;           /* We can stop iterating, we have enough peers! */
+  {
+    struct MinimumContext *min_ctx = cls;
+    uint32_t second_pos;
+    GNUNET_HashCode first_hash;
+    unsigned int i;
 
-}
+    if (GNUNET_CONTAINER_multihashmap_size
+        (min_ctx->first->connect_peers_working_set) < min_ctx->num_to_add)
+      {
+        for (i = 0; i < min_ctx->num_to_add; i++)
+          {
+            if (min_ctx->pg_array[i] == min_ctx->current)
+              {
+                GNUNET_assert (GNUNET_OK ==
+                    GNUNET_CONTAINER_multihashmap_put
+                    (min_ctx->first->connect_peers_working_set, key,
+                        value,
+                        GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY));
+                uid_from_hash (key, &second_pos);
+                hash_from_uid (min_ctx->first_uid, &first_hash);
+                GNUNET_assert (min_ctx->pg->total > second_pos);
+                GNUNET_assert (GNUNET_OK ==
+                    GNUNET_CONTAINER_multihashmap_put (min_ctx->
+                        pg->peers
+                        [second_pos].connect_peers_working_set,
+                        &first_hash,
+                        min_ctx->first->
+                        daemon,
+                        GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY));
+                /* Now we have added this particular connection, remove it from the second peer's map so it's not double counted */
+                GNUNET_assert (GNUNET_YES ==
+                    GNUNET_CONTAINER_multihashmap_remove
+                    (min_ctx->pg->peers[second_pos].connect_peers,
+                        &first_hash, min_ctx->first->daemon));
+              }
+          }
+        min_ctx->current++;
+        return GNUNET_YES;
+      }
+    else
+    return GNUNET_NO; /* We can stop iterating, we have enough peers! */
 
+  }
 
 /**
  * Iterator for adding peers to a connection set based on a depth first search.
@@ -3412,41 +4241,41 @@ minimum_connect_iterator (void *cls, const GNUNET_HashCode * key, void *value)
  */
 static int
 dfs_connect_iterator (void *cls, const GNUNET_HashCode * key, void *value)
-{
-  struct DFSContext *dfs_ctx = cls;
-  GNUNET_HashCode first_hash;
-
-  if (dfs_ctx->current == dfs_ctx->chosen)
-    {
-      GNUNET_assert (GNUNET_OK ==
-                     GNUNET_CONTAINER_multihashmap_put (dfs_ctx->
-                                                        first->connect_peers_working_set,
-                                                        key, value,
-                                                        GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY));
-      uid_from_hash (key, &dfs_ctx->second_uid);
-      hash_from_uid (dfs_ctx->first_uid, &first_hash);
-      GNUNET_assert (GNUNET_OK ==
-                     GNUNET_CONTAINER_multihashmap_put (dfs_ctx->
-                                                        pg->peers
-                                                        [dfs_ctx->second_uid].connect_peers_working_set,
-                                                        &first_hash,
-                                                        dfs_ctx->
-                                                        first->daemon,
-                                                        GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY));
-      GNUNET_assert (GNUNET_YES ==
-                     GNUNET_CONTAINER_multihashmap_remove (dfs_ctx->
-                                                           pg->peers
-                                                           [dfs_ctx->second_uid].connect_peers,
-                                                           &first_hash,
-                                                           dfs_ctx->
-                                                           first->daemon));
-      /* Can't remove second from first yet because we are currently iterating, hence the return value in the DFSContext! */
-      return GNUNET_NO;         /* We have found our peer, don't iterate more */
-    }
+  {
+    struct DFSContext *dfs_ctx = cls;
+    GNUNET_HashCode first_hash;
 
-  dfs_ctx->current++;
-  return GNUNET_YES;
-}
+    if (dfs_ctx->current == dfs_ctx->chosen)
+      {
+        GNUNET_assert (GNUNET_OK ==
+            GNUNET_CONTAINER_multihashmap_put (dfs_ctx->
+                first->connect_peers_working_set,
+                key, value,
+                GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY));
+        uid_from_hash (key, &dfs_ctx->second_uid);
+        hash_from_uid (dfs_ctx->first_uid, &first_hash);
+        GNUNET_assert (GNUNET_OK ==
+            GNUNET_CONTAINER_multihashmap_put (dfs_ctx->
+                pg->peers
+                [dfs_ctx->second_uid].connect_peers_working_set,
+                &first_hash,
+                dfs_ctx->
+                first->daemon,
+                GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY));
+        GNUNET_assert (GNUNET_YES ==
+            GNUNET_CONTAINER_multihashmap_remove (dfs_ctx->
+                pg->peers
+                [dfs_ctx->second_uid].connect_peers,
+                &first_hash,
+                dfs_ctx->
+                first->daemon));
+        /* Can't remove second from first yet because we are currently iterating, hence the return value in the DFSContext! */
+        return GNUNET_NO; /* We have found our peer, don't iterate more */
+      }
+
+    dfs_ctx->current++;
+    return GNUNET_YES;
+  }
 #endif
 
 /**
@@ -3457,50 +4286,50 @@ dfs_connect_iterator (void *cls, const GNUNET_HashCode * key, void *value)
  * @param percentage what percent of total connections to make
  */
 void
-choose_random_connections (struct GNUNET_TESTING_PeerGroup *pg,
-                           double percentage)
+choose_random_connections(struct GNUNET_TESTING_PeerGroup *pg,
+                          double percentage)
 {
-  struct RandomContext random_ctx;
   uint32_t pg_iter;
 #if OLD
-  struct PeerConnection *temp_peers;
   struct PeerConnection *conn_iter;
   double random_number;
+#else
+  struct RandomContext random_ctx;
 #endif
 
   for (pg_iter = 0; pg_iter < pg->total; pg_iter++)
     {
-      random_ctx.first_uid = pg_iter;
-      random_ctx.first = &pg->peers[pg_iter];
-      random_ctx.percentage = percentage;
-      random_ctx.pg = pg;
 #if OLD
-      temp_peers = NULL;
       conn_iter = pg->peers[pg_iter].connect_peers_head;
       while (conn_iter != NULL)
         {
-          random_number =
-            ((double)
-             GNUNET_CRYPTO_random_u64 (GNUNET_CRYPTO_QUALITY_WEAK,
-                                       UINT64_MAX)) / ((double) UINT64_MAX);
+          random_number
+              = ((double) GNUNET_CRYPTO_random_u64 (GNUNET_CRYPTO_QUALITY_WEAK,
+                                                    UINT64_MAX))
+                  / ((double) UINT64_MAX);
           if (random_number < percentage)
             {
-              add_connections(pg, pg_iter, conn_iter->index, WORKING_SET);
+              add_connections (pg, pg_iter, conn_iter->index, WORKING_SET,
+                               GNUNET_YES);
             }
           conn_iter = conn_iter->next;
         }
 #else
-      pg->peers[pg_iter].connect_peers_working_set =
-        GNUNET_CONTAINER_multihashmap_create (pg->total);
+      random_ctx.first_uid = pg_iter;
+      random_ctx.first = &pg->peers[pg_iter];
+      random_ctx.percentage = percentage;
+      random_ctx.pg = pg;
+      pg->peers[pg_iter].connect_peers_working_set 
+       = GNUNET_CONTAINER_multihashmap_create (pg->total);
       GNUNET_CONTAINER_multihashmap_iterate (pg->peers[pg_iter].connect_peers,
-                                             &random_connect_iterator,
-                                             &random_ctx);
+                                            &random_connect_iterator,
+                                            &random_ctx);
       /* Now remove the old connections */
       GNUNET_CONTAINER_multihashmap_destroy (pg->
-                                             peers[pg_iter].connect_peers);
+                                            peers[pg_iter].connect_peers);
       /* And replace with the random set */
-      pg->peers[pg_iter].connect_peers =
-        pg->peers[pg_iter].connect_peers_working_set;
+      pg->peers[pg_iter].connect_peers 
+       = pg->peers[pg_iter].connect_peers_working_set;
 #endif
     }
 
@@ -3508,16 +4337,19 @@ choose_random_connections (struct GNUNET_TESTING_PeerGroup *pg,
     {
       conn_iter = pg->peers[pg_iter].connect_peers_head;
       while (pg->peers[pg_iter].connect_peers_head != NULL)
-        remove_connections(pg, pg_iter, pg->peers[pg_iter].connect_peers_head->index, CONNECT);
-
-      pg->peers[pg_iter].connect_peers_head = pg->peers[pg_iter].connect_peers_working_set_head;
-      pg->peers[pg_iter].connect_peers_tail = pg->peers[pg_iter].connect_peers_working_set_tail;
+        remove_connections (pg, pg_iter,
+                            pg->peers[pg_iter].connect_peers_head->index,
+                            CONNECT, GNUNET_YES);
+
+      pg->peers[pg_iter].connect_peers_head
+          = pg->peers[pg_iter].connect_peers_working_set_head;
+      pg->peers[pg_iter].connect_peers_tail
+          = pg->peers[pg_iter].connect_peers_working_set_tail;
       pg->peers[pg_iter].connect_peers_working_set_head = NULL;
       pg->peers[pg_iter].connect_peers_working_set_tail = NULL;
     }
 }
 
-
 /**
  * Count the number of connections in a linked list of connections.
  *
@@ -3526,7 +4358,7 @@ choose_random_connections (struct GNUNET_TESTING_PeerGroup *pg,
  * @return the number of elements in the list
  */
 static unsigned int
-count_connections (struct PeerConnection *conn_list)
+count_connections(struct PeerConnection *conn_list)
 {
   struct PeerConnection *iter;
   unsigned int count;
@@ -3540,9 +4372,8 @@ count_connections (struct PeerConnection *conn_list)
   return count;
 }
 
-
 static unsigned int
-count_workingset_connections (struct GNUNET_TESTING_PeerGroup *pg)
+count_workingset_connections(struct GNUNET_TESTING_PeerGroup *pg)
 {
   unsigned int count;
   unsigned int pg_iter;
@@ -3562,18 +4393,17 @@ count_workingset_connections (struct GNUNET_TESTING_PeerGroup *pg)
         }
 #else
       count +=
-        GNUNET_CONTAINER_multihashmap_size (pg->
-                                            peers
-                                            [pg_iter].connect_peers_working_set);
+      GNUNET_CONTAINER_multihashmap_size (pg->
+          peers
+          [pg_iter].connect_peers_working_set);
 #endif
     }
 
   return count;
 }
 
-
 static unsigned int
-count_allowed_connections (struct GNUNET_TESTING_PeerGroup *pg)
+count_allowed_connections(struct GNUNET_TESTING_PeerGroup *pg)
 {
   unsigned int count;
   unsigned int pg_iter;
@@ -3593,16 +4423,15 @@ count_allowed_connections (struct GNUNET_TESTING_PeerGroup *pg)
         }
 #else
       count +=
-        GNUNET_CONTAINER_multihashmap_size (pg->
-                                            peers
-                                            [pg_iter].allowed_peers);
+      GNUNET_CONTAINER_multihashmap_size (pg->
+          peers
+          [pg_iter].allowed_peers);
 #endif
     }
 
   return count;
 }
 
-
 /**
  * From the set of connections possible, choose at least num connections per
  * peer.
@@ -3611,7 +4440,7 @@ count_allowed_connections (struct GNUNET_TESTING_PeerGroup *pg)
  * @param num how many connections at least should each peer have (if possible)?
  */
 static void
-choose_minimum (struct GNUNET_TESTING_PeerGroup *pg, unsigned int num)
+choose_minimum(struct GNUNET_TESTING_PeerGroup *pg, unsigned int num)
 {
 #if !OLD
   struct MinimumContext minimum_ctx;
@@ -3627,63 +4456,76 @@ choose_minimum (struct GNUNET_TESTING_PeerGroup *pg, unsigned int num)
 #if OLD
   for (pg_iter = 0; pg_iter < pg->total; pg_iter++)
     {
-      temp_list_size = count_connections(pg->peers[pg_iter].connect_peers_head);
+      temp_list_size
+          = count_connections (pg->peers[pg_iter].connect_peers_head);
       if (temp_list_size == 0)
         {
-          GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Peer %d has 0 connections!?!?\n", pg_iter);
+          GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+                      "Peer %d has 0 connections!?!?\n", pg_iter);
           break;
         }
       for (i = 0; i < num; i++)
         {
-          random = GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, temp_list_size);
+          random = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK,
+                                             temp_list_size);
           conn_iter = pg->peers[pg_iter].connect_peers_head;
           for (count = 0; count < random; count++)
             conn_iter = conn_iter->next;
           /* We now have a random connection, connect it! */
           GNUNET_assert(conn_iter != NULL);
-          add_connections(pg, pg_iter, conn_iter->index, WORKING_SET);
+          add_connections (pg, pg_iter, conn_iter->index, WORKING_SET,
+                           GNUNET_YES);
         }
     }
 #else
   for (pg_iter = 0; pg_iter < pg->total; pg_iter++)
     {
       pg->peers[pg_iter].connect_peers_working_set =
-        GNUNET_CONTAINER_multihashmap_create (num);
+      GNUNET_CONTAINER_multihashmap_create (num);
     }
 
   for (pg_iter = 0; pg_iter < pg->total; pg_iter++)
     {
       minimum_ctx.first_uid = pg_iter;
       minimum_ctx.pg_array =
-        GNUNET_CRYPTO_random_permute (GNUNET_CRYPTO_QUALITY_WEAK,
-                                      GNUNET_CONTAINER_multihashmap_size
-                                      (pg->peers[pg_iter].connect_peers));
+      GNUNET_CRYPTO_random_permute (GNUNET_CRYPTO_QUALITY_WEAK,
+          GNUNET_CONTAINER_multihashmap_size
+          (pg->peers[pg_iter].connect_peers));
       minimum_ctx.first = &pg->peers[pg_iter];
       minimum_ctx.pg = pg;
       minimum_ctx.num_to_add = num;
       minimum_ctx.current = 0;
       GNUNET_CONTAINER_multihashmap_iterate (pg->peers[pg_iter].connect_peers,
-                                             &minimum_connect_iterator,
-                                             &minimum_ctx);
+          &minimum_connect_iterator,
+          &minimum_ctx);
     }
 
   for (pg_iter = 0; pg_iter < pg->total; pg_iter++)
     {
       /* Remove the "old" connections */
       GNUNET_CONTAINER_multihashmap_destroy (pg->
-                                             peers[pg_iter].connect_peers);
+          peers[pg_iter].connect_peers);
       /* And replace with the working set */
       pg->peers[pg_iter].connect_peers =
-        pg->peers[pg_iter].connect_peers_working_set;
+      pg->peers[pg_iter].connect_peers_working_set;
     }
 #endif
   for (pg_iter = 0; pg_iter < pg->total; pg_iter++)
     {
       while (pg->peers[pg_iter].connect_peers_head != NULL)
-        remove_connections(pg, pg_iter, pg->peers[pg_iter].connect_peers_head->index, CONNECT);
+        {
+          conn_iter = pg->peers[pg_iter].connect_peers_head;
+          GNUNET_CONTAINER_DLL_remove(pg->peers[pg_iter].connect_peers_head,
+              pg->peers[pg_iter].connect_peers_tail,
+              conn_iter);
+          GNUNET_free(conn_iter);
+          /*remove_connections(pg, pg_iter, pg->peers[pg_iter].connect_peers_head->index, CONNECT, GNUNET_YES);*/
+        }
 
-      pg->peers[pg_iter].connect_peers_head = pg->peers[pg_iter].connect_peers_working_set_head;
-      pg->peers[pg_iter].connect_peers_tail = pg->peers[pg_iter].connect_peers_working_set_tail;
+      pg->peers[pg_iter].connect_peers_head
+          = pg->peers[pg_iter].connect_peers_working_set_head;
+      pg->peers[pg_iter].connect_peers_tail
+          = pg->peers[pg_iter].connect_peers_working_set_tail;
       pg->peers[pg_iter].connect_peers_working_set_head = NULL;
       pg->peers[pg_iter].connect_peers_working_set_tail = NULL;
     }
@@ -3691,29 +4533,29 @@ choose_minimum (struct GNUNET_TESTING_PeerGroup *pg, unsigned int num)
 
 #if !OLD
 struct FindClosestContext
-{
-  /**
-   * The currently known closest peer.
-   */
-  struct GNUNET_TESTING_Daemon *closest;
-
-  /**
-   * The info for the peer we are adding connections for.
-   */
-  struct PeerData *curr_peer;
-
-  /**
-   * The distance (bits) between the current
-   * peer and the currently known closest.
-   */
-  unsigned int closest_dist;
-
-  /**
-   * The offset of the closest known peer in
-   * the peer group.
-   */
-  unsigned int closest_num;
-};
+  {
+    /**
+     * The currently known closest peer.
+     */
+    struct GNUNET_TESTING_Daemon *closest;
+
+    /**
+     * The info for the peer we are adding connections for.
+     */
+    struct PeerData *curr_peer;
+
+    /**
+     * The distance (bits) between the current
+     * peer and the currently known closest.
+     */
+    unsigned int closest_dist;
+
+    /**
+     * The offset of the closest known peer in
+     * the peer group.
+     */
+    unsigned int closest_num;
+  };
 
 /**
  * Iterator over hash map entries of the allowed
@@ -3729,30 +4571,29 @@ struct FindClosestContext
  */
 static int
 find_closest_peers (void *cls, const GNUNET_HashCode * key, void *value)
-{
-  struct FindClosestContext *closest_ctx = cls;
-  struct GNUNET_TESTING_Daemon *daemon = value;
-
-  if (((closest_ctx->closest == NULL) ||
-       (GNUNET_CRYPTO_hash_matching_bits
-        (&daemon->id.hashPubKey,
-         &closest_ctx->curr_peer->daemon->id.hashPubKey) >
-        closest_ctx->closest_dist))
-      && (GNUNET_YES !=
-          GNUNET_CONTAINER_multihashmap_contains (closest_ctx->
-                                                  curr_peer->connect_peers,
-                                                  key)))
-    {
-      closest_ctx->closest_dist =
+  {
+    struct FindClosestContext *closest_ctx = cls;
+    struct GNUNET_TESTING_Daemon *daemon = value;
+
+    if (((closest_ctx->closest == NULL) ||
+            (GNUNET_CRYPTO_hash_matching_bits
+                (&daemon->id.hashPubKey,
+                    &closest_ctx->curr_peer->daemon->id.hashPubKey) >
+                closest_ctx->closest_dist))
+        && (GNUNET_YES !=
+            GNUNET_CONTAINER_multihashmap_contains (closest_ctx->
+                curr_peer->connect_peers,
+                key)))
+      {
+        closest_ctx->closest_dist =
         GNUNET_CRYPTO_hash_matching_bits (&daemon->id.hashPubKey,
-                                          &closest_ctx->curr_peer->daemon->
-                                          id.hashPubKey);
-      closest_ctx->closest = daemon;
-      uid_from_hash (key, &closest_ctx->closest_num);
-    }
-  return GNUNET_YES;
-}
-
+            &closest_ctx->curr_peer->daemon->
+            id.hashPubKey);
+        closest_ctx->closest = daemon;
+        uid_from_hash (key, &closest_ctx->closest_num);
+      }
+    return GNUNET_YES;
+  }
 
 /**
  * From the set of connections possible, choose at num connections per
@@ -3763,39 +4604,40 @@ find_closest_peers (void *cls, const GNUNET_HashCode * key, void *value)
  * @param pg the peergroup we are dealing with
  * @param num how many connections at least should each peer have (if possible)?
  * @param proc processor to actually add the connections
+ * @param list the peer list to use
  */
 void
 add_closest (struct GNUNET_TESTING_PeerGroup *pg, unsigned int num,
-             GNUNET_TESTING_ConnectionProcessor proc, enum PeerLists list)
-{
+    GNUNET_TESTING_ConnectionProcessor proc, enum PeerLists list)
+  {
 #if OLD
 
 #else
-  struct FindClosestContext closest_ctx;
+    struct FindClosestContext closest_ctx;
 #endif
-  uint32_t pg_iter;
-  uint32_t i;
-
-  for (i = 0; i < num; i++)     /* Each time find a closest peer (from those available) */
-    {
-      for (pg_iter = 0; pg_iter < pg->total; pg_iter++)
-        {
-          closest_ctx.curr_peer = &pg->peers[pg_iter];
-          closest_ctx.closest = NULL;
-          closest_ctx.closest_dist = 0;
-          closest_ctx.closest_num = 0;
-          GNUNET_CONTAINER_multihashmap_iterate (pg->
-                                                 peers[pg_iter].allowed_peers,
-                                                 &find_closest_peers,
-                                                 &closest_ctx);
-          if (closest_ctx.closest != NULL)
-            {
-              GNUNET_assert (closest_ctx.closest_num < pg->total);
-              proc (pg, pg_iter, closest_ctx.closest_num, list);
-            }
-        }
-    }
-}
+    uint32_t pg_iter;
+    uint32_t i;
+
+    for (i = 0; i < num; i++) /* Each time find a closest peer (from those available) */
+      {
+        for (pg_iter = 0; pg_iter < pg->total; pg_iter++)
+          {
+            closest_ctx.curr_peer = &pg->peers[pg_iter];
+            closest_ctx.closest = NULL;
+            closest_ctx.closest_dist = 0;
+            closest_ctx.closest_num = 0;
+            GNUNET_CONTAINER_multihashmap_iterate (pg->
+                peers[pg_iter].allowed_peers,
+                &find_closest_peers,
+                &closest_ctx);
+            if (closest_ctx.closest != NULL)
+              {
+                GNUNET_assert (closest_ctx.closest_num < pg->total);
+                proc (pg, pg_iter, closest_ctx.closest_num, list);
+              }
+          }
+      }
+  }
 #endif
 
 /**
@@ -3807,7 +4649,7 @@ add_closest (struct GNUNET_TESTING_PeerGroup *pg, unsigned int num,
  * @param num how many connections at least should each peer have (if possible)?
  */
 void
-perform_dfs (struct GNUNET_TESTING_PeerGroup *pg, unsigned int num)
+perform_dfs(struct GNUNET_TESTING_PeerGroup *pg, unsigned int num)
 {
   uint32_t pg_iter;
   uint32_t dfs_count;
@@ -3826,14 +4668,16 @@ perform_dfs (struct GNUNET_TESTING_PeerGroup *pg, unsigned int num)
   starting_peer = 0;
   dfs_count = 0;
   while ((count_workingset_connections (pg) < num * pg->total)
-         && (count_allowed_connections (pg) > 0))
+      && (count_allowed_connections (pg) > 0))
     {
-      if (dfs_count % pg->total == 0)   /* Restart the DFS at some weakly connected peer */
+      if (dfs_count % pg->total == 0) /* Restart the DFS at some weakly connected peer */
         {
-          least_connections = -1;       /* Set to very high number */
+          least_connections = -1; /* Set to very high number */
           for (pg_iter = 0; pg_iter < pg->total; pg_iter++)
             {
-              temp_count = count_connections(pg->peers[pg_iter].connect_peers_working_set_head);
+              temp_count
+                  = count_connections (
+                                       pg->peers[pg_iter].connect_peers_working_set_head);
               if (temp_count < least_connections)
                 {
                   starting_peer = pg_iter;
@@ -3842,11 +4686,13 @@ perform_dfs (struct GNUNET_TESTING_PeerGroup *pg, unsigned int num)
             }
         }
 
-      temp_count = count_connections(pg->peers[starting_peer].connect_peers_head);
+      temp_count
+          = count_connections (pg->peers[starting_peer].connect_peers_head);
       if (temp_count == 0)
         continue; /* FIXME: infinite loop? */
 
-      random_connection = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, temp_count);
+      random_connection = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK,
+                                                    temp_count);
       temp_count = 0;
       peer_iter = pg->peers[starting_peer].connect_peers_head;
       while (temp_count < random_connection)
@@ -3855,8 +4701,10 @@ perform_dfs (struct GNUNET_TESTING_PeerGroup *pg, unsigned int num)
           temp_count++;
         }
       GNUNET_assert(peer_iter != NULL);
-      add_connections(pg, starting_peer, peer_iter->index, WORKING_SET);
-      remove_connections(pg, starting_peer, peer_iter->index, CONNECT);
+      add_connections (pg, starting_peer, peer_iter->index, WORKING_SET,
+                       GNUNET_NO);
+      remove_connections (pg, starting_peer, peer_iter->index, CONNECT,
+                          GNUNET_YES);
       starting_peer = peer_iter->index;
       dfs_count++;
     }
@@ -3865,17 +4713,17 @@ perform_dfs (struct GNUNET_TESTING_PeerGroup *pg, unsigned int num)
   for (pg_iter = 0; pg_iter < pg->total; pg_iter++)
     {
       pg->peers[pg_iter].connect_peers_working_set =
-        GNUNET_CONTAINER_multihashmap_create (num);
+      GNUNET_CONTAINER_multihashmap_create (num);
     }
 
   starting_peer = 0;
   dfs_count = 0;
   while ((count_workingset_connections (pg) < num * pg->total)
-         && (count_allowed_connections (pg) > 0))
+      && (count_allowed_connections (pg) > 0))
     {
-      if (dfs_count % pg->total == 0)   /* Restart the DFS at some weakly connected peer */
+      if (dfs_count % pg->total == 0) /* Restart the DFS at some weakly connected peer */
         {
-          least_connections = -1;       /* Set to very high number */
+          least_connections = -1; /* Set to very high number */
           for (pg_iter = 0; pg_iter < pg->total; pg_iter++)
             {
               if (GNUNET_CONTAINER_multihashmap_size
@@ -3884,14 +4732,14 @@ perform_dfs (struct GNUNET_TESTING_PeerGroup *pg, unsigned int num)
                 {
                   starting_peer = pg_iter;
                   least_connections =
-                    GNUNET_CONTAINER_multihashmap_size (pg->
-                                                        peers
-                                                        [pg_iter].connect_peers_working_set);
+                  GNUNET_CONTAINER_multihashmap_size (pg->
+                      peers
+                      [pg_iter].connect_peers_working_set);
                 }
             }
         }
 
-      if (GNUNET_CONTAINER_multihashmap_size (pg->peers[starting_peer].connect_peers) == 0)     /* Ensure there is at least one peer left to connect! */
+      if (GNUNET_CONTAINER_multihashmap_size (pg->peers[starting_peer].connect_peers) == 0) /* Ensure there is at least one peer left to connect! */
         {
           dfs_count = 0;
           continue;
@@ -3899,27 +4747,27 @@ perform_dfs (struct GNUNET_TESTING_PeerGroup *pg, unsigned int num)
 
       /* Choose a random peer from the chosen peers set of connections to add */
       dfs_ctx.chosen =
-        GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK,
-                                  GNUNET_CONTAINER_multihashmap_size
-                                  (pg->peers[starting_peer].connect_peers));
+      GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK,
+          GNUNET_CONTAINER_multihashmap_size
+          (pg->peers[starting_peer].connect_peers));
       dfs_ctx.first_uid = starting_peer;
       dfs_ctx.first = &pg->peers[starting_peer];
       dfs_ctx.pg = pg;
       dfs_ctx.current = 0;
 
       GNUNET_CONTAINER_multihashmap_iterate (pg->
-                                             peers
-                                             [starting_peer].connect_peers,
-                                             &dfs_connect_iterator, &dfs_ctx);
+          peers
+          [starting_peer].connect_peers,
+          &dfs_connect_iterator, &dfs_ctx);
       /* Remove the second from the first, since we will be continuing the search and may encounter the first peer again! */
       hash_from_uid (dfs_ctx.second_uid, &second_hash);
       GNUNET_assert (GNUNET_YES ==
-                     GNUNET_CONTAINER_multihashmap_remove (pg->peers
-                                                           [starting_peer].connect_peers,
-                                                           &second_hash,
-                                                           pg->
-                                                           peers
-                                                           [dfs_ctx.second_uid].daemon));
+          GNUNET_CONTAINER_multihashmap_remove (pg->peers
+              [starting_peer].connect_peers,
+              &second_hash,
+              pg->
+              peers
+              [dfs_ctx.second_uid].daemon));
       starting_peer = dfs_ctx.second_uid;
     }
 
@@ -3927,28 +4775,25 @@ perform_dfs (struct GNUNET_TESTING_PeerGroup *pg, unsigned int num)
     {
       /* Remove the "old" connections */
       GNUNET_CONTAINER_multihashmap_destroy (pg->
-                                             peers[pg_iter].connect_peers);
+          peers[pg_iter].connect_peers);
       /* And replace with the working set */
       pg->peers[pg_iter].connect_peers =
-        pg->peers[pg_iter].connect_peers_working_set;
+      pg->peers[pg_iter].connect_peers_working_set;
     }
 #endif
 }
 
-
 /**
  * Internal callback for topology information for a particular peer.
  */
 static void
-internal_topology_callback (void *cls,
-                            const struct GNUNET_PeerIdentity *peer,
-                            const struct GNUNET_TRANSPORT_ATS_Information
-                            *atsi)
+internal_topology_callback(void *cls, const struct GNUNET_PeerIdentity *peer,
+                           const struct GNUNET_TRANSPORT_ATS_Information *atsi)
 {
   struct CoreContext *core_ctx = cls;
   struct TopologyIterateContext *iter_ctx = core_ctx->iter_context;
 
-  if (peer == NULL)             /* Either finished, or something went wrong */
+  if (peer == NULL) /* Either finished, or something went wrong */
     {
       iter_ctx->completed++;
       iter_ctx->connected--;
@@ -3957,8 +4802,7 @@ internal_topology_callback (void *cls,
     }
   else
     {
-      iter_ctx->topology_cb (iter_ctx->cls, &core_ctx->daemon->id,
-                             peer, NULL);
+      iter_ctx->topology_cb (iter_ctx->cls, &core_ctx->daemon->id, peer, NULL);
     }
 
   if (iter_ctx->completed == iter_ctx->total)
@@ -3969,47 +4813,47 @@ internal_topology_callback (void *cls,
     }
 }
 
-
 /**
  * Check running topology iteration tasks, if below max start a new one, otherwise
  * schedule for some time in the future.
  */
 static void
-schedule_get_topology (void *cls,
-                       const struct GNUNET_SCHEDULER_TaskContext *tc)
+schedule_get_topology(void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
 {
   struct CoreContext *core_context = cls;
   struct TopologyIterateContext *topology_context =
-    (struct TopologyIterateContext *) core_context->iter_context;
-  if (tc->reason == GNUNET_SCHEDULER_REASON_SHUTDOWN)
+      (struct TopologyIterateContext *) core_context->iter_context;
+  if ( (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN) != 0)
     return;
 
-  if (topology_context->connected > MAX_OUTSTANDING_CONNECTIONS)
+  if (topology_context->connected
+      > topology_context->pg->max_outstanding_connections)
     {
 #if VERBOSE_TESTING > 2
       GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                  _
-                  ("Delaying connect, we have too many outstanding connections!\n"));
+          _
+          ("Delaying connect, we have too many outstanding connections!\n"));
 #endif
-      GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
-                                    (GNUNET_TIME_UNIT_MILLISECONDS, 100),
+      GNUNET_SCHEDULER_add_delayed (
+                                    GNUNET_TIME_relative_multiply (
+                                                                   GNUNET_TIME_UNIT_MILLISECONDS,
+                                                                   100),
                                     &schedule_get_topology, core_context);
     }
   else
     {
 #if VERBOSE_TESTING > 2
       GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                  _("Creating connection, outstanding_connections is %d\n"),
-                  outstanding_connects);
+          _("Creating connection, outstanding_connections is %d\n"),
+          outstanding_connects);
 #endif
       topology_context->connected++;
 
-      if (GNUNET_OK !=
-          GNUNET_CORE_iterate_peers (core_context->daemon->cfg,
-                                     &internal_topology_callback,
-                                     core_context))
+      if (GNUNET_OK != GNUNET_CORE_iterate_peers (core_context->daemon->cfg,
+                                                  &internal_topology_callback,
+                                                  core_context))
         {
-          GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Topology iteration failed.\n");
+          GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Topology iteration failed.\n");
           internal_topology_callback (core_context, NULL, NULL);
         }
     }
@@ -4020,8 +4864,8 @@ schedule_get_topology (void *cls,
  * all connections that each currently has.
  */
 void
-GNUNET_TESTING_get_topology (struct GNUNET_TESTING_PeerGroup *pg,
-                             GNUNET_TESTING_NotifyTopology cb, void *cls)
+GNUNET_TESTING_get_topology(struct GNUNET_TESTING_PeerGroup *pg,
+                            GNUNET_TESTING_NotifyTopology cb, void *cls)
 {
   struct TopologyIterateContext *topology_context;
   struct CoreContext *core_ctx;
@@ -4032,6 +4876,7 @@ GNUNET_TESTING_get_topology (struct GNUNET_TESTING_PeerGroup *pg,
   topology_context = GNUNET_malloc (sizeof (struct TopologyIterateContext));
   topology_context->topology_cb = cb;
   topology_context->cls = cls;
+  topology_context->pg = pg;
   total_count = 0;
   for (i = 0; i < pg->total; i++)
     {
@@ -4070,13 +4915,12 @@ GNUNET_TESTING_get_topology (struct GNUNET_TESTING_PeerGroup *pg,
  * @return GNUNET_OK to continue, GNUNET_SYSERR to abort iteration
  */
 static int
-internal_stats_callback (void *cls,
-                         const char *subsystem,
-                         const char *name, uint64_t value, int is_persistent)
+internal_stats_callback(void *cls, const char *subsystem, const char *name,
+                        uint64_t value, int is_persistent)
 {
   struct StatsCoreContext *core_context = cls;
   struct StatsIterateContext *stats_context =
-    (struct StatsIterateContext *) core_context->iter_context;
+      (struct StatsIterateContext *) core_context->iter_context;
 
   return stats_context->proc (stats_context->cls, &core_context->daemon->id,
                               subsystem, name, value, is_persistent);
@@ -4090,11 +4934,11 @@ internal_stats_callback (void *cls,
  *        was canceled or not (we don't care)
  */
 static void
-internal_stats_cont (void *cls, int success)
+internal_stats_cont(void *cls, int success)
 {
   struct StatsCoreContext *core_context = cls;
   struct StatsIterateContext *stats_context =
-    (struct StatsIterateContext *) core_context->iter_context;
+      (struct StatsIterateContext *) core_context->iter_context;
 
   stats_context->connected--;
   stats_context->completed++;
@@ -4116,49 +4960,51 @@ internal_stats_cont (void *cls, int success)
  * schedule for some time in the future.
  */
 static void
-schedule_get_statistics (void *cls,
-                         const struct GNUNET_SCHEDULER_TaskContext *tc)
+schedule_get_statistics(void *cls,
+                        const struct GNUNET_SCHEDULER_TaskContext *tc)
 {
   struct StatsCoreContext *core_context = cls;
   struct StatsIterateContext *stats_context =
-    (struct StatsIterateContext *) core_context->iter_context;
+      (struct StatsIterateContext *) core_context->iter_context;
 
-  if (tc->reason == GNUNET_SCHEDULER_REASON_SHUTDOWN)
+  if ( (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN) != 0)
     return;
 
-  if (stats_context->connected > MAX_OUTSTANDING_CONNECTIONS)
+  if (stats_context->connected > stats_context->pg->max_outstanding_connections)
     {
 #if VERBOSE_TESTING > 2
       GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                  _
-                  ("Delaying connect, we have too many outstanding connections!\n"));
+          _
+          ("Delaying connect, we have too many outstanding connections!\n"));
 #endif
-      GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
-                                    (GNUNET_TIME_UNIT_MILLISECONDS, 100),
+      GNUNET_SCHEDULER_add_delayed (
+                                    GNUNET_TIME_relative_multiply (
+                                                                   GNUNET_TIME_UNIT_MILLISECONDS,
+                                                                   100),
                                     &schedule_get_statistics, core_context);
     }
   else
     {
 #if VERBOSE_TESTING > 2
       GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                  _("Creating connection, outstanding_connections is %d\n"),
-                  outstanding_connects);
+          _("Creating connection, outstanding_connections is %d\n"),
+          outstanding_connects);
 #endif
 
       stats_context->connected++;
-      core_context->stats_handle =
-        GNUNET_STATISTICS_create ("testing", core_context->daemon->cfg);
+      core_context->stats_handle
+          = GNUNET_STATISTICS_create ("testing", core_context->daemon->cfg);
       if (core_context->stats_handle == NULL)
         {
           internal_stats_cont (core_context, GNUNET_NO);
           return;
         }
 
-      core_context->stats_get_handle =
-        GNUNET_STATISTICS_get (core_context->stats_handle, NULL, NULL,
-                               GNUNET_TIME_relative_get_forever (),
-                               &internal_stats_cont, &internal_stats_callback,
-                               core_context);
+      core_context->stats_get_handle
+          = GNUNET_STATISTICS_get (core_context->stats_handle, NULL, NULL,
+                                   GNUNET_TIME_relative_get_forever (),
+                                   &internal_stats_cont,
+                                   &internal_stats_callback, core_context);
       if (core_context->stats_get_handle == NULL)
         internal_stats_cont (core_context, GNUNET_NO);
 
@@ -4190,28 +5036,29 @@ struct DuplicateStats
  *         GNUNET_NO if not (and we may have added it to the list)
  */
 static int
-stats_check_existing (struct GNUNET_TESTING_PeerGroup *pg,
-                      struct PeerData *specific_peer,
-                      struct DuplicateStats **stats_list)
+stats_check_existing(struct GNUNET_TESTING_PeerGroup *pg,
+                     struct PeerData *specific_peer,
+                     struct DuplicateStats **stats_list)
 {
   struct DuplicateStats *pos;
   char *unix_domain_socket;
   unsigned long long port;
   char *to_match;
-  if (GNUNET_YES !=
-      GNUNET_CONFIGURATION_get_value_yesno (pg->cfg, "testing",
-                                            "single_statistics_per_host"))
-    return GNUNET_NO;           /* Each peer has its own statistics instance, do nothing! */
+  if (GNUNET_YES
+      != GNUNET_CONFIGURATION_get_value_yesno (pg->cfg, "testing",
+                                               "single_statistics_per_host"))
+    return GNUNET_NO; /* Each peer has its own statistics instance, do nothing! */
 
   pos = *stats_list;
-  if (GNUNET_OK !=
-      GNUNET_CONFIGURATION_get_value_string (specific_peer->cfg, "statistics",
-                                             "unixpath", &unix_domain_socket))
+  if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_string (specific_peer->cfg,
+                                                          "statistics",
+                                                          "unixpath",
+                                                          &unix_domain_socket))
     return GNUNET_NO;
 
-  if (GNUNET_OK !=
-      GNUNET_CONFIGURATION_get_value_number (specific_peer->cfg, "statistics",
-                                             "port", &port))
+  if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_number (specific_peer->cfg,
+                                                          "statistics", "port",
+                                                          &port))
     {
       GNUNET_free(unix_domain_socket);
       return GNUNET_NO;
@@ -4246,10 +5093,10 @@ stats_check_existing (struct GNUNET_TESTING_PeerGroup *pg,
  * all statistics from each.
  */
 void
-GNUNET_TESTING_get_statistics (struct GNUNET_TESTING_PeerGroup *pg,
-                               GNUNET_STATISTICS_Callback cont,
-                               GNUNET_TESTING_STATISTICS_Iterator proc,
-                               void *cls)
+GNUNET_TESTING_get_statistics(struct GNUNET_TESTING_PeerGroup *pg,
+                              GNUNET_STATISTICS_Callback cont,
+                              GNUNET_TESTING_STATISTICS_Iterator proc,
+                              void *cls)
 {
   struct StatsIterateContext *stats_context;
   struct StatsCoreContext *core_ctx;
@@ -4264,13 +5111,13 @@ GNUNET_TESTING_get_statistics (struct GNUNET_TESTING_PeerGroup *pg,
   stats_context->cont = cont;
   stats_context->proc = proc;
   stats_context->cls = cls;
+  stats_context->pg = pg;
   total_count = 0;
 
   for (i = 0; i < pg->total; i++)
     {
-      if ((pg->peers[i].daemon->running == GNUNET_YES)
-          && (GNUNET_NO ==
-              stats_check_existing (pg, &pg->peers[i], &stats_list)))
+      if ((pg->peers[i].daemon->running == GNUNET_YES) && (GNUNET_NO
+          == stats_check_existing (pg, &pg->peers[i], &stats_list)))
         {
           /* Allocate one core context per core we need to connect to */
           core_ctx = GNUNET_malloc (sizeof (struct StatsCoreContext));
@@ -4299,6 +5146,28 @@ GNUNET_TESTING_get_statistics (struct GNUNET_TESTING_PeerGroup *pg,
   return;
 }
 
+/**
+ * Stop the connection process temporarily.
+ *
+ * @param pg the peer group to stop connecting
+ */
+void
+GNUNET_TESTING_stop_connections(struct GNUNET_TESTING_PeerGroup *pg)
+{
+  pg->stop_connects = GNUNET_YES;
+}
+
+/**
+ * Resume the connection process temporarily.
+ *
+ * @param pg the peer group to resume connecting
+ */
+void
+GNUNET_TESTING_resume_connections(struct GNUNET_TESTING_PeerGroup *pg)
+{
+  pg->stop_connects = GNUNET_NO;
+}
+
 /**
  * There are many ways to connect peers that are supported by this function.
  * To connect peers in the same topology that was created via the
@@ -4312,149 +5181,209 @@ GNUNET_TESTING_get_statistics (struct GNUNET_TESTING_PeerGroup *pg,
  * @param topology which topology to connect the peers in
  * @param options options for connecting the topology
  * @param option_modifier modifier for options that take a parameter
+ * @param connect_timeout how long to wait before giving up on connecting
+ *                        two peers
+ * @param connect_attempts how many times to attempt to connect two peers
+ *                         over the connect_timeout duration
  * @param notify_callback notification to be called once all connections completed
  * @param notify_cls closure for notification callback
  *
  * @return the number of connections that will be attempted, GNUNET_SYSERR on error
  */
 int
-GNUNET_TESTING_connect_topology (struct GNUNET_TESTING_PeerGroup *pg,
-                                 enum GNUNET_TESTING_Topology topology,
-                                 enum GNUNET_TESTING_TopologyOption options,
-                                 double option_modifier,
-                                 GNUNET_TESTING_NotifyCompletion
-                                 notify_callback, void *notify_cls)
+GNUNET_TESTING_connect_topology(
+                                struct GNUNET_TESTING_PeerGroup *pg,
+                                enum GNUNET_TESTING_Topology topology,
+                                enum GNUNET_TESTING_TopologyOption options,
+                                double option_modifier,
+                                struct GNUNET_TIME_Relative connect_timeout,
+                                unsigned int connect_attempts,
+                                GNUNET_TESTING_NotifyCompletion notify_callback,
+                                void *notify_cls)
 {
   switch (topology)
     {
-    case GNUNET_TESTING_TOPOLOGY_CLIQUE:
+  case GNUNET_TESTING_TOPOLOGY_CLIQUE:
 #if VERBOSE_TOPOLOGY
-      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                  _("Creating clique CONNECT topology\n"));
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+                _("Creating clique CONNECT topology\n"));
 #endif
-      create_clique (pg, &add_connections, CONNECT);
-      break;
-    case GNUNET_TESTING_TOPOLOGY_SMALL_WORLD_RING:
+    create_clique (pg, &add_connections, CONNECT, GNUNET_NO);
+    break;
+  case GNUNET_TESTING_TOPOLOGY_SMALL_WORLD_RING:
 #if VERBOSE_TOPOLOGY
-      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                  _("Creating small world (ring) CONNECT topology\n"));
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+                _("Creating small world (ring) CONNECT topology\n"));
 #endif
-      create_small_world_ring (pg, &add_connections, CONNECT);
-      break;
-    case GNUNET_TESTING_TOPOLOGY_SMALL_WORLD:
+    create_small_world_ring (pg, &add_connections, CONNECT);
+    break;
+  case GNUNET_TESTING_TOPOLOGY_SMALL_WORLD:
 #if VERBOSE_TOPOLOGY
-      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                  _("Creating small world (2d-torus) CONNECT topology\n"));
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+                _("Creating small world (2d-torus) CONNECT topology\n"));
 #endif
-      create_small_world (pg, &add_connections, CONNECT);
-      break;
-    case GNUNET_TESTING_TOPOLOGY_RING:
+    create_small_world (pg, &add_connections, CONNECT);
+    break;
+  case GNUNET_TESTING_TOPOLOGY_RING:
 #if VERBOSE_TOPOLOGY
-      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                  _("Creating ring CONNECT topology\n"));
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, _("Creating ring CONNECT topology\n"));
 #endif
-      create_ring (pg, &add_connections, CONNECT);
-      break;
-    case GNUNET_TESTING_TOPOLOGY_2D_TORUS:
+    create_ring (pg, &add_connections, CONNECT);
+    break;
+  case GNUNET_TESTING_TOPOLOGY_2D_TORUS:
 #if VERBOSE_TOPOLOGY
-      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                  _("Creating 2d torus CONNECT topology\n"));
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+                _("Creating 2d torus CONNECT topology\n"));
 #endif
-      create_2d_torus (pg, &add_connections, CONNECT);
-      break;
-    case GNUNET_TESTING_TOPOLOGY_ERDOS_RENYI:
+    create_2d_torus (pg, &add_connections, CONNECT);
+    break;
+  case GNUNET_TESTING_TOPOLOGY_ERDOS_RENYI:
 #if VERBOSE_TOPOLOGY
-      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                  _("Creating Erdos-Renyi CONNECT topology\n"));
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+                _("Creating Erdos-Renyi CONNECT topology\n"));
 #endif
-      create_erdos_renyi (pg, &add_connections, CONNECT);
-      break;
-    case GNUNET_TESTING_TOPOLOGY_INTERNAT:
+    create_erdos_renyi (pg, &add_connections, CONNECT);
+    break;
+  case GNUNET_TESTING_TOPOLOGY_INTERNAT:
 #if VERBOSE_TOPOLOGY
-      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                  _("Creating InterNAT CONNECT topology\n"));
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+                _("Creating InterNAT CONNECT topology\n"));
 #endif
-      create_nated_internet (pg, &add_connections, CONNECT);
-      break;
-    case GNUNET_TESTING_TOPOLOGY_SCALE_FREE:
+    create_nated_internet (pg, &add_connections, CONNECT);
+    break;
+  case GNUNET_TESTING_TOPOLOGY_SCALE_FREE:
 #if VERBOSE_TOPOLOGY
-      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                  _("Creating Scale Free CONNECT topology\n"));
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+                _("Creating Scale Free CONNECT topology\n"));
 #endif
-      create_scale_free (pg, &add_connections, CONNECT);
-      break;
-    case GNUNET_TESTING_TOPOLOGY_LINE:
+    create_scale_free (pg, &add_connections, CONNECT);
+    break;
+  case GNUNET_TESTING_TOPOLOGY_LINE:
 #if VERBOSE_TOPOLOGY
-      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                  _("Creating straight line CONNECT topology\n"));
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+                _("Creating straight line CONNECT topology\n"));
 #endif
-      create_line (pg, &add_connections, CONNECT);
-      break;
-    case GNUNET_TESTING_TOPOLOGY_NONE:
+    create_line (pg, &add_connections, CONNECT);
+    break;
+  case GNUNET_TESTING_TOPOLOGY_NONE:
 #if VERBOSE_TOPOLOGY
-      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                  _("Creating no CONNECT topology\n"));
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, _("Creating no CONNECT topology\n"));
 #endif
-      copy_allowed_topology (pg);
-      break;
-    default:
-      GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
-                  _
-                  ("Unknown topology specification, can't connect peers!\n"));
-      return GNUNET_SYSERR;
+    copy_allowed_topology (pg);
+    break;
+  default:
+    GNUNET_log (GNUNET_ERROR_TYPE_WARNING, _
+    ("Unknown topology specification, can't connect peers!\n"));
+    return GNUNET_SYSERR;
     }
 
   switch (options)
     {
-    case GNUNET_TESTING_TOPOLOGY_OPTION_RANDOM:
+  case GNUNET_TESTING_TOPOLOGY_OPTION_RANDOM:
 #if VERBOSE_TOPOLOGY
-      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                  _
-                  ("Connecting random subset (%'.2f percent) of possible peers\n"),
-                  100 * option_modifier);
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, _
+    ("Connecting random subset (%'.2f percent) of possible peers\n"), 100
+        * option_modifier);
 #endif
-      choose_random_connections (pg, option_modifier);
-      break;
-    case GNUNET_TESTING_TOPOLOGY_OPTION_MINIMUM:
+    choose_random_connections (pg, option_modifier);
+    break;
+  case GNUNET_TESTING_TOPOLOGY_OPTION_MINIMUM:
 #if VERBOSE_TOPOLOGY
-      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                  _("Connecting a minimum of %u peers each (if possible)\n"),
-                  (unsigned int) option_modifier);
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+                _("Connecting a minimum of %u peers each (if possible)\n"),
+                (unsigned int) option_modifier);
 #endif
-      choose_minimum (pg, (unsigned int) option_modifier);
-      break;
-    case GNUNET_TESTING_TOPOLOGY_OPTION_DFS:
+    choose_minimum (pg, (unsigned int) option_modifier);
+    break;
+  case GNUNET_TESTING_TOPOLOGY_OPTION_DFS:
 #if VERBOSE_TOPOLOGY
-      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                  _
-                  ("Using DFS to connect a minimum of %u peers each (if possible)\n"),
-                  (unsigned int) option_modifier);
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, _
+    ("Using DFS to connect a minimum of %u peers each (if possible)\n"),
+                (unsigned int) option_modifier);
 #endif
 #if FIXME
-      perform_dfs (pg, (int) option_modifier);
+    perform_dfs (pg, (int) option_modifier);
 #endif
-      break;
-    case GNUNET_TESTING_TOPOLOGY_OPTION_ADD_CLOSEST:
+    break;
+  case GNUNET_TESTING_TOPOLOGY_OPTION_ADD_CLOSEST:
 #if VERBOSE_TOPOLOGY
-      GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
-                  _
-                  ("Finding additional %u closest peers each (if possible)\n"),
-                  (unsigned int) option_modifier);
+    GNUNET_log (GNUNET_ERROR_TYPE_WARNING, _
+    ("Finding additional %u closest peers each (if possible)\n"),
+                (unsigned int) option_modifier);
 #endif
 #if FIXME
-      add_closest (pg, (unsigned int) option_modifier,
-                   &add_connections, CONNECT);
+    add_closest (pg, (unsigned int) option_modifier,
+        &add_connections, CONNECT);
 #endif
-      break;
-    case GNUNET_TESTING_TOPOLOGY_OPTION_NONE:
-      break;
-    case GNUNET_TESTING_TOPOLOGY_OPTION_ALL:
-      break;
-    default:
-      break;
+    break;
+  case GNUNET_TESTING_TOPOLOGY_OPTION_NONE:
+    break;
+  case GNUNET_TESTING_TOPOLOGY_OPTION_ALL:
+    break;
+  default:
+    break;
     }
 
-  return connect_topology (pg, notify_callback, notify_cls);
+  return connect_topology (pg, connect_timeout, connect_attempts,
+                           notify_callback, notify_cls);
+}
+
+/**
+ * Lookup and return the number of SSH connections to a host.
+ *
+ * @param hostname the hostname to lookup in the list
+ * @param pg the peergroup that the host belongs to
+ *
+ * @return the number of current ssh connections to the host
+ */
+static unsigned int
+count_outstanding_at_host(const char *hostname,
+                          struct GNUNET_TESTING_PeerGroup *pg)
+{
+  struct OutstandingSSH *pos;
+  pos = pg->ssh_head;
+  while ((pos != NULL) && (strcmp (pos->hostname, hostname) != 0))
+    pos = pos->next;
+  GNUNET_assert(pos != NULL);
+  return pos->outstanding;
+}
+
+/**
+ * Increment the number of SSH connections to a host by one.
+ *
+ * @param hostname the hostname to lookup in the list
+ * @param pg the peergroup that the host belongs to
+ *
+ */
+static void
+increment_outstanding_at_host(const char *hostname,
+                              struct GNUNET_TESTING_PeerGroup *pg)
+{
+  struct OutstandingSSH *pos;
+  pos = pg->ssh_head;
+  while ((pos != NULL) && (strcmp (pos->hostname, hostname) != 0))
+    pos = pos->next;
+  GNUNET_assert(pos != NULL);
+  pos->outstanding++;
+}
+
+/**
+ * Decrement the number of SSH connections to a host by one.
+ *
+ * @param hostname the hostname to lookup in the list
+ * @param pg the peergroup that the host belongs to
+ *
+ */
+static void
+decrement_outstanding_at_host(const char *hostname,
+                              struct GNUNET_TESTING_PeerGroup *pg)
+{
+  struct OutstandingSSH *pos;
+  pos = pg->ssh_head;
+  while ((pos != NULL) && (strcmp (pos->hostname, hostname) != 0))
+    pos = pos->next;
+  GNUNET_assert(pos != NULL);
+  pos->outstanding--;
 }
 
 /**
@@ -4468,20 +5397,22 @@ GNUNET_TESTING_connect_topology (struct GNUNET_TESTING_PeerGroup *pg,
  * @param emsg error message (NULL on success)
  */
 static void
-internal_hostkey_callback (void *cls,
-                           const struct GNUNET_PeerIdentity *id,
-                           struct GNUNET_TESTING_Daemon *d, const char *emsg)
+internal_hostkey_callback(void *cls, const struct GNUNET_PeerIdentity *id,
+                          struct GNUNET_TESTING_Daemon *d, const char *emsg)
 {
   struct InternalStartContext *internal_context = cls;
   internal_context->peer->pg->starting--;
   internal_context->peer->pg->started++;
+  if (internal_context->hostname != NULL)
+    decrement_outstanding_at_host (internal_context->hostname,
+                                   internal_context->peer->pg);
   if (internal_context->hostkey_callback != NULL)
     internal_context->hostkey_callback (internal_context->hostkey_cls, id, d,
                                         emsg);
-  else if (internal_context->peer->pg->started ==
-           internal_context->peer->pg->total)
+  else if (internal_context->peer->pg->started
+      == internal_context->peer->pg->total)
     {
-      internal_context->peer->pg->started = 0;  /* Internal startup may use this counter! */
+      internal_context->peer->pg->started = 0; /* Internal startup may use this counter! */
       GNUNET_TESTING_daemons_continue_startup (internal_context->peer->pg);
     }
 }
@@ -4498,44 +5429,55 @@ internal_hostkey_callback (void *cls,
  * @param emsg error message (NULL on success)
  */
 static void
-internal_startup_callback (void *cls,
-                           const struct GNUNET_PeerIdentity *id,
-                           const struct GNUNET_CONFIGURATION_Handle *cfg,
-                           struct GNUNET_TESTING_Daemon *d, const char *emsg)
+internal_startup_callback(void *cls, const struct GNUNET_PeerIdentity *id,
+                          const struct GNUNET_CONFIGURATION_Handle *cfg,
+                          struct GNUNET_TESTING_Daemon *d, const char *emsg)
 {
   struct InternalStartContext *internal_context = cls;
   internal_context->peer->pg->starting--;
+  if (internal_context->hostname != NULL)
+    decrement_outstanding_at_host (internal_context->hostname,
+                                   internal_context->peer->pg);
   if (internal_context->start_cb != NULL)
     internal_context->start_cb (internal_context->start_cb_cls, id, cfg, d,
                                 emsg);
 }
 
 static void
-internal_continue_startup (void *cls,
-                           const struct GNUNET_SCHEDULER_TaskContext *tc)
+internal_continue_startup(void *cls,
+                          const struct GNUNET_SCHEDULER_TaskContext *tc)
 {
   struct InternalStartContext *internal_context = cls;
 
-  if (tc->reason == GNUNET_SCHEDULER_REASON_SHUTDOWN)
+  if ( (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN) != 0)
     {
       return;
     }
 
-  if (internal_context->peer->pg->starting < MAX_CONCURRENT_STARTING)
+  if ((internal_context->peer->pg->starting
+      < internal_context->peer->pg->max_concurrent_ssh)
+      || ((internal_context->hostname != NULL)
+          && (count_outstanding_at_host (internal_context->hostname,
+                                         internal_context->peer->pg)
+              < internal_context->peer->pg->max_concurrent_ssh)))
     {
+      if (internal_context->hostname != NULL)
+        increment_outstanding_at_host (internal_context->hostname,
+                                       internal_context->peer->pg);
       internal_context->peer->pg->starting++;
       GNUNET_TESTING_daemon_continue_startup (internal_context->peer->daemon);
     }
   else
     {
-      GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
-                                    (GNUNET_TIME_UNIT_MILLISECONDS, 100),
+      GNUNET_SCHEDULER_add_delayed (
+                                    GNUNET_TIME_relative_multiply (
+                                                                   GNUNET_TIME_UNIT_MILLISECONDS,
+                                                                   100),
                                     &internal_continue_startup,
                                     internal_context);
     }
 }
 
-
 /**
  * Callback for informing us about a successful
  * or unsuccessful churn start call.
@@ -4548,10 +5490,9 @@ internal_continue_startup (void *cls,
  *
  */
 void
-churn_start_callback (void *cls,
-                      const struct GNUNET_PeerIdentity *id,
-                      const struct GNUNET_CONFIGURATION_Handle *cfg,
-                      struct GNUNET_TESTING_Daemon *d, const char *emsg)
+churn_start_callback(void *cls, const struct GNUNET_PeerIdentity *id,
+                     const struct GNUNET_CONFIGURATION_Handle *cfg,
+                     struct GNUNET_TESTING_Daemon *d, const char *emsg)
 {
   struct ChurnRestartContext *startup_ctx = cls;
   struct ChurnContext *churn_ctx = startup_ctx->churn_ctx;
@@ -4573,18 +5514,17 @@ churn_start_callback (void *cls,
 
 #if DEBUG_CHURN
   GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
-              "Started peer, %d left.\n", churn_ctx->num_to_start);
+      "Started peer, %d left.\n", churn_ctx->num_to_start);
 #endif
 
-  total_left =
-    (churn_ctx->num_to_stop - churn_ctx->num_failed_stop) +
-    (churn_ctx->num_to_start - churn_ctx->num_failed_start);
+  total_left = (churn_ctx->num_to_stop - churn_ctx->num_failed_stop)
+      + (churn_ctx->num_to_start - churn_ctx->num_failed_start);
 
   if (total_left == 0)
     {
-      if ((churn_ctx->num_failed_stop > 0)
-          || (churn_ctx->num_failed_start > 0))
-        GNUNET_asprintf (&error_message,
+      if ((churn_ctx->num_failed_stop > 0) || (churn_ctx->num_failed_start > 0))
+        GNUNET_asprintf (
+                         &error_message,
                          "Churn didn't complete successfully, %u peers failed to start %u peers failed to be stopped!",
                          churn_ctx->num_failed_start,
                          churn_ctx->num_failed_stop);
@@ -4595,61 +5535,154 @@ churn_start_callback (void *cls,
     }
 }
 
-
 static void
-schedule_churn_restart (void *cls,
-                        const struct GNUNET_SCHEDULER_TaskContext *tc)
+schedule_churn_restart(void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
 {
   struct PeerRestartContext *peer_restart_ctx = cls;
-  struct ChurnRestartContext *startup_ctx =
-    peer_restart_ctx->churn_restart_ctx;
+  struct ChurnRestartContext *startup_ctx = peer_restart_ctx->churn_restart_ctx;
 
-  if (startup_ctx->outstanding > MAX_CONCURRENT_STARTING)
-    GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
-                                  (GNUNET_TIME_UNIT_MILLISECONDS, 100),
+  if (startup_ctx->outstanding > startup_ctx->pg->max_concurrent_ssh)
+    GNUNET_SCHEDULER_add_delayed (
+                                  GNUNET_TIME_relative_multiply (
+                                                                 GNUNET_TIME_UNIT_MILLISECONDS,
+                                                                 100),
                                   &schedule_churn_restart, peer_restart_ctx);
   else
     {
       GNUNET_TESTING_daemon_start_stopped (peer_restart_ctx->daemon,
                                            startup_ctx->timeout,
-                                           &churn_start_callback,
-                                           startup_ctx);
+                                           &churn_start_callback, startup_ctx);
       GNUNET_free (peer_restart_ctx);
     }
 }
 
+
 static void
-internal_start (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+internal_start(void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
 {
   struct InternalStartContext *internal_context = cls;
 
-  if (tc->reason == GNUNET_SCHEDULER_REASON_SHUTDOWN)
+  if ( (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN) != 0)
     {
       return;
     }
 
-  if (internal_context->peer->pg->starting < MAX_CONCURRENT_HOSTKEYS)
+  if ((internal_context->peer->pg->starting
+      < internal_context->peer->pg->max_concurrent_ssh)
+      || ((internal_context->hostname != NULL)
+          && (count_outstanding_at_host (internal_context->hostname,
+                                         internal_context->peer->pg)
+              < internal_context->peer->pg->max_concurrent_ssh)))
     {
+      if (internal_context->hostname != NULL)
+        increment_outstanding_at_host (internal_context->hostname,
+                                       internal_context->peer->pg);
       internal_context->peer->pg->starting++;
-      internal_context->peer->daemon =
-        GNUNET_TESTING_daemon_start (internal_context->peer->cfg,
-                                     internal_context->timeout,
-                                     internal_context->hostname,
-                                     internal_context->username,
-                                     internal_context->sshport,
-                                     internal_context->hostkey,
-                                     &internal_hostkey_callback,
-                                     internal_context,
-                                     &internal_startup_callback,
-                                     internal_context);
+      internal_context->peer->daemon
+          = GNUNET_TESTING_daemon_start (internal_context->peer->cfg,
+                                         internal_context->timeout,
+                                         GNUNET_NO,
+                                         internal_context->hostname,
+                                         internal_context->username,
+                                         internal_context->sshport,
+                                         internal_context->hostkey,
+                                         &internal_hostkey_callback,
+                                         internal_context,
+                                         &internal_startup_callback,
+                                         internal_context);
     }
   else
     {
-      GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
-                                    (GNUNET_TIME_UNIT_MILLISECONDS, 100),
+      GNUNET_SCHEDULER_add_delayed (
+                                    GNUNET_TIME_relative_multiply (
+                                                                   GNUNET_TIME_UNIT_MILLISECONDS,
+                                                                   100),
                                     &internal_start, internal_context);
     }
 }
+#if USE_START_HELPER
+
+struct PeerStartHelperContext
+{
+  struct GNUNET_TESTING_PeerGroup *pg;
+
+  struct HostData *host;
+
+  struct GNUNET_OS_Process *proc;
+};
+
+static void
+check_peers_started (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+  struct PeerStartHelperContext *helper = cls;
+  enum GNUNET_OS_ProcessStatusType type;
+  unsigned long code;
+  unsigned int i;
+  GNUNET_TESTING_NotifyDaemonRunning cb;
+
+  if (GNUNET_NO == GNUNET_OS_process_status (helper->proc, &type, &code)) /* Still running, wait some more! */
+  {
+    GNUNET_SCHEDULER_add_delayed(GNUNET_CONSTANTS_EXEC_WAIT, &check_peers_started, helper);
+    return;
+  }
+
+  helper->pg->starting--;
+  if (helper->pg->starting == 0) /* All peers have finished starting! */
+    {
+      /* Call the peer started callback for each peer, set proper FSM state (?) */
+      for (i = 0; i < helper->pg->total; i++)
+        {
+          cb = helper->pg->peers[i].daemon->cb;
+          helper->pg->peers[i].daemon->cb = NULL;
+          helper->pg->peers[i].daemon->running = GNUNET_YES;
+          helper->pg->peers[i].daemon->phase = SP_START_DONE;
+          if (NULL != cb)
+          {
+            if ((type != GNUNET_OS_PROCESS_EXITED) || (code != 0))
+              cb (helper->pg->peers[i].daemon->cb_cls,
+                  &helper->pg->peers[i].daemon->id,
+                  helper->pg->peers[i].daemon->cfg, helper->pg->peers[i].daemon,
+                  "Failed to execute peerStartHelper.pl, or return code bad!");
+            else
+              cb (helper->pg->peers[i].daemon->cb_cls,
+                  &helper->pg->peers[i].daemon->id,
+                  helper->pg->peers[i].daemon->cfg, helper->pg->peers[i].daemon,
+                  NULL);
+
+          }
+
+        }
+    }
+  GNUNET_OS_process_close(helper->proc);
+}
+
+static void
+start_peer_helper (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+  struct PeerStartHelperContext *helper = cls;
+  char *baseservicehome;
+  char *tempdir;
+  char *arg;
+  /* ssh user@host peerStartHelper /path/to/basedirectory */
+  GNUNET_assert(GNUNET_OK == GNUNET_CONFIGURATION_get_value_string (helper->pg->cfg, "PATHS", "SERVICEHOME",
+                                                                    &baseservicehome));
+  GNUNET_asprintf(&tempdir, "%s/%s/", baseservicehome, helper->host->hostname);
+  if (NULL != helper->host->username)
+    GNUNET_asprintf (&arg, "%s@%s", helper->host->username, helper->host->hostname);
+  else
+    GNUNET_asprintf (&arg, "%s", helper->host->hostname);
+
+  /* FIXME: Doesn't support ssh_port option! */
+  helper->proc = GNUNET_OS_start_process (NULL, NULL, "ssh", "ssh", arg,
+                                  "peerStartHelper.pl", tempdir,  NULL);
+  GNUNET_assert(helper->proc != NULL);
+  GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "starting peers with cmd ssh %s %s %s\n", arg, "peerStartHelper.pl", tempdir);
+  GNUNET_SCHEDULER_add_now (&check_peers_started, helper);
+  GNUNET_free (tempdir);
+  GNUNET_free (baseservicehome);
+  GNUNET_free (arg);
+}
+#endif
 
 /**
  * Function which continues a peer group starting up
@@ -4659,18 +5692,61 @@ internal_start (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
  *
  */
 void
-GNUNET_TESTING_daemons_continue_startup (struct GNUNET_TESTING_PeerGroup *pg)
+GNUNET_TESTING_daemons_continue_startup(struct GNUNET_TESTING_PeerGroup *pg)
 {
   unsigned int i;
 
+#if USE_START_HELPER
+  if ((pg->num_hosts > 0) && (pg->hostkey_data != NULL))
+    {
+      struct PeerStartHelperContext *helper;
+      pg->starting = pg->num_hosts;
+      for (i = 0; i < pg->num_hosts; i++)
+        {
+          helper = GNUNET_malloc(sizeof(struct PeerStartHelperContext));
+          helper->pg = pg;
+          helper->host = &pg->hosts[i];
+          GNUNET_SCHEDULER_add_now(&start_peer_helper, helper);
+        }
+    }
+  else
+    {
+      pg->starting = 0;
+      for (i = 0; i < pg->total; i++)
+        {
+          GNUNET_SCHEDULER_add_now (&internal_continue_startup,
+                                    &pg->peers[i].internal_context);
+        }
+    }
+#else
   pg->starting = 0;
   for (i = 0; i < pg->total; i++)
     {
       GNUNET_SCHEDULER_add_now (&internal_continue_startup,
                                 &pg->peers[i].internal_context);
-      //GNUNET_TESTING_daemon_continue_startup(pg->peers[i].daemon);
     }
+#endif
+}
+
+#if USE_START_HELPER
+static void
+call_hostkey_callbacks (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+  struct GNUNET_TESTING_PeerGroup *pg = cls;
+  unsigned int i;
+  for (i = 0; i < pg->total; i++)
+    {
+      if (pg->peers[i].internal_context.hostkey_callback != NULL)
+        pg->peers[i].internal_context.hostkey_callback (pg->peers[i].internal_context.hostkey_cls,
+                                                           &pg->peers[i].daemon->id,
+                                                           pg->peers[i].daemon,
+                                                           NULL);
+    }
+
+  if (pg->peers[0].internal_context.hostkey_callback == NULL)
+    GNUNET_TESTING_daemons_continue_startup (pg);
 }
+#endif
 
 /**
  * Start count gnunet instances with the same set of transports and
@@ -4680,6 +5756,10 @@ GNUNET_TESTING_daemons_continue_startup (struct GNUNET_TESTING_PeerGroup *pg)
  *
  * @param cfg configuration template to use
  * @param total number of daemons to start
+ * @param max_concurrent_connections for testing, how many peers can
+ *                                   we connect to simultaneously
+ * @param max_concurrent_ssh when starting with ssh, how many ssh
+ *        connections will we allow at once (based on remote hosts allowed!)
  * @param timeout total time allowed for peers to start
  * @param hostkey_callback function to call on each peers hostkey generation
  *        if NULL, peers will be started by this call, if non-null,
@@ -4696,24 +5776,21 @@ GNUNET_TESTING_daemons_continue_startup (struct GNUNET_TESTING_PeerGroup *pg)
  * @return NULL on error, otherwise handle to control peer group
  */
 struct GNUNET_TESTING_PeerGroup *
-GNUNET_TESTING_daemons_start (const struct GNUNET_CONFIGURATION_Handle *cfg,
-                              unsigned int total,
-                              struct GNUNET_TIME_Relative timeout,
-                              GNUNET_TESTING_NotifyHostkeyCreated
-                              hostkey_callback, void *hostkey_cls,
-                              GNUNET_TESTING_NotifyDaemonRunning cb,
-                              void *cb_cls,
-                              GNUNET_TESTING_NotifyConnection
-                              connect_callback, void *connect_callback_cls,
-                              const struct GNUNET_TESTING_Host *hostnames)
+GNUNET_TESTING_daemons_start(const struct GNUNET_CONFIGURATION_Handle *cfg,
+                             unsigned int total,
+                             unsigned int max_concurrent_connections,
+                             unsigned int max_concurrent_ssh,
+                             struct GNUNET_TIME_Relative timeout,
+                             GNUNET_TESTING_NotifyHostkeyCreated hostkey_callback,
+                             void *hostkey_cls,
+                             GNUNET_TESTING_NotifyDaemonRunning cb,
+                             void *cb_cls,
+                             GNUNET_TESTING_NotifyConnection connect_callback,
+                             void *connect_callback_cls,
+                             const struct GNUNET_TESTING_Host *hostnames)
 {
   struct GNUNET_TESTING_PeerGroup *pg;
   const struct GNUNET_TESTING_Host *hostpos;
-#if 0
-  char *pos;
-  const char *rpos;
-  char *start;
-#endif
   const char *hostname;
   const char *username;
   char *baseservicehome;
@@ -4725,6 +5802,7 @@ GNUNET_TESTING_daemons_start (const struct GNUNET_CONFIGURATION_Handle *cfg,
   struct GNUNET_DISK_FileHandle *fd;
   struct GNUNET_CONFIGURATION_Handle *pcfg;
   unsigned int off;
+  struct OutstandingSSH *ssh_entry;
   unsigned int hostcnt;
   unsigned int i;
   uint16_t minport;
@@ -4735,6 +5813,7 @@ GNUNET_TESTING_daemons_start (const struct GNUNET_CONFIGURATION_Handle *cfg,
   uint64_t total_hostkeys;
   struct GNUNET_OS_Process *proc;
 
+  username = NULL;
   if (0 == total)
     {
       GNUNET_break (0);
@@ -4750,6 +5829,8 @@ GNUNET_TESTING_daemons_start (const struct GNUNET_CONFIGURATION_Handle *cfg,
   pg->total = total;
   pg->max_timeout = GNUNET_TIME_relative_to_absolute (timeout);
   pg->peers = GNUNET_malloc (total * sizeof (struct PeerData));
+  pg->max_outstanding_connections = max_concurrent_connections;
+  pg->max_concurrent_ssh = max_concurrent_ssh;
   if (NULL != hostnames)
     {
       off = 0;
@@ -4781,51 +5862,6 @@ GNUNET_TESTING_daemons_start (const struct GNUNET_CONFIGURATION_Handle *cfg,
       hostcnt = off;
       minport = 0;
       pg->num_hosts = off;
-
-#if NO_LL
-      off = 2;
-      /* skip leading spaces */
-      while ((0 != *hostnames) && (isspace ((unsigned char) *hostnames)))
-        hostnames++;
-      rpos = hostnames;
-      while ('\0' != *rpos)
-        {
-          if (isspace ((unsigned char) *rpos))
-            off++;
-          rpos++;
-        }
-      pg->hosts = GNUNET_malloc (off * sizeof (struct HostData));
-      off = 0;
-      start = GNUNET_strdup (hostnames);
-      pos = start;
-      while ('\0' != *pos)
-        {
-          if (isspace ((unsigned char) *pos))
-            {
-              *pos = '\0';
-              if (strlen (start) > 0)
-                {
-                  pg->hosts[off].minport = LOW_PORT;
-                  pg->hosts[off++].hostname = start;
-                }
-              start = pos + 1;
-            }
-          pos++;
-        }
-      if (strlen (start) > 0)
-        {
-          pg->hosts[off].minport = LOW_PORT;
-          pg->hosts[off++].hostname = start;
-        }
-      if (off == 0)
-        {
-          GNUNET_free (start);
-          GNUNET_free (pg->hosts);
-          pg->hosts = NULL;
-        }
-      hostcnt = off;
-      minport = 0;              /* make gcc happy */
-#endif
     }
   else
     {
@@ -4838,62 +5874,94 @@ GNUNET_TESTING_daemons_start (const struct GNUNET_CONFIGURATION_Handle *cfg,
                                                                     &baseservicehome));
   for (i = 0; i < pg->num_hosts; i++)
     {
-
+      ssh_entry = GNUNET_malloc(sizeof(struct OutstandingSSH));
+      ssh_entry->hostname = pg->hosts[i].hostname; /* Don't free! */
+      GNUNET_CONTAINER_DLL_insert(pg->ssh_head, pg->ssh_tail, ssh_entry);
+      GNUNET_asprintf(&tmpdir, "%s/%s", baseservicehome, pg->hosts[i].hostname);
       if (NULL != pg->hosts[i].username)
-        GNUNET_asprintf (&arg, "%s@%s", pg->hosts[i].username, pg->hosts[i].hostname);
+        GNUNET_asprintf (&arg, "%s@%s", pg->hosts[i].username,
+                         pg->hosts[i].hostname);
       else
         GNUNET_asprintf (&arg, "%s", pg->hosts[i].hostname);
       if (pg->hosts[i].sshport != 0)
         {
           GNUNET_asprintf (&ssh_port_str, "%d", pg->hosts[i].sshport);
-          proc = GNUNET_OS_start_process (NULL, NULL, "ssh",
-                                          "ssh", "-P", ssh_port_str,
+          proc = GNUNET_OS_start_process (NULL, NULL, "ssh", "ssh", "-P",
+                                          ssh_port_str,
 #if !DEBUG_TESTING
                                           "-q",
 #endif
-                                          arg, "mkdir -p", baseservicehome,  NULL);
+                                          arg, "mkdir -p", tmpdir,
+                                          NULL);
         }
       else
-        proc = GNUNET_OS_start_process (NULL, NULL, "ssh",
-                                            "ssh", arg, "mkdir -p", baseservicehome,  NULL);
-      GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Creating remote dir with command ssh %s %s %s\n", arg, " mkdir -p ", baseservicehome);
-      GNUNET_OS_process_wait(proc);
+        proc = GNUNET_OS_start_process (NULL, NULL, "ssh", "ssh", arg,
+                                        "mkdir -p", tmpdir, NULL);
+      GNUNET_assert(proc != NULL);
+      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+                  "Creating remote dir with command ssh %s %s %s\n", arg,
+                  " mkdir -p ", tmpdir);
+      GNUNET_free(tmpdir);
+      GNUNET_free(arg);
+      GNUNET_OS_process_wait (proc);
+      GNUNET_OS_process_close(proc);
     }
   GNUNET_free(baseservicehome);
 
-  if (GNUNET_YES == GNUNET_CONFIGURATION_get_value_string (cfg, "TESTING", "HOSTKEYSFILE",
-                                                          &hostkeys_file))
+  if (GNUNET_YES == GNUNET_CONFIGURATION_get_value_string (cfg, "TESTING",
+                                                           "HOSTKEYSFILE",
+                                                           &hostkeys_file))
     {
       if (GNUNET_YES != GNUNET_DISK_file_test (hostkeys_file))
-        GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Couldn't read hostkeys file!");
+        GNUNET_log (GNUNET_ERROR_TYPE_WARNING, 
+                   _("Could not read hostkeys file!\n"));
       else
         {
           /* Check hostkey file size, read entire thing into memory */
-          fd = GNUNET_DISK_file_open (hostkeys_file, GNUNET_DISK_OPEN_READ,
+          fd = GNUNET_DISK_file_open (hostkeys_file,
+                                     GNUNET_DISK_OPEN_READ,
                                       GNUNET_DISK_PERM_NONE);
           if (NULL == fd)
             {
-              GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_ERROR, "open", hostkeys_file);
+              GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_ERROR, 
+                                       "open", 
+                                       hostkeys_file);
+             GNUNET_free (hostkeys_file);
+             for (i=0;i<pg->num_hosts;i++)
+               {
+                 GNUNET_free (pg->hosts[i].hostname);
+                 GNUNET_free_non_null (pg->hosts[i].username);
+               }
+             GNUNET_free (pg->peers);
+             GNUNET_free (pg->hosts);
+             GNUNET_free (pg);
               return NULL;
             }
 
-          if (GNUNET_YES != GNUNET_DISK_file_size (hostkeys_file, &fs, GNUNET_YES))
+          if (GNUNET_YES != GNUNET_DISK_file_size (hostkeys_file, &fs,
+                                                   GNUNET_YES))
             fs = 0;
 
-          GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Found file size %llu for hostkeys, expect hostkeys to be size %d\n", fs, HOSTKEYFILESIZE);
+          GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+                      "Found file size %llu for hostkeys, expect hostkeys to be size %d\n",
+                      fs, HOSTKEYFILESIZE);
 
-          if (fs % HOSTKEYFILESIZE != 0)
+          if (0 != (fs % HOSTKEYFILESIZE))
             {
-              GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "File size %llu seems incorrect for hostkeys...\n", fs);
+              GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+                          "File size %llu seems incorrect for hostkeys...\n",
+                          fs);
             }
           else
             {
               total_hostkeys = fs / HOSTKEYFILESIZE;
-              GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Will read %llu hostkeys from file\n", total_hostkeys);
+              GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+                          "Will read %llu hostkeys from file\n",
+                         total_hostkeys);
               pg->hostkey_data = GNUNET_malloc_large (fs);
               GNUNET_assert (fs == GNUNET_DISK_file_read (fd, pg->hostkey_data, fs));
-              GNUNET_assert(GNUNET_OK == GNUNET_DISK_file_close(fd));
             }
+         GNUNET_assert(GNUNET_OK == GNUNET_DISK_file_close(fd));
         }
       GNUNET_free(hostkeys_file);
     }
@@ -4905,8 +5973,7 @@ GNUNET_TESTING_daemons_start (const struct GNUNET_CONFIGURATION_Handle *cfg,
           hostname = pg->hosts[off % hostcnt].hostname;
           username = pg->hosts[off % hostcnt].username;
           sshport = pg->hosts[off % hostcnt].sshport;
-          pcfg = make_config (cfg,
-                              &pg->hosts[off % hostcnt].minport,
+          pcfg = make_config (cfg, off, &pg->hosts[off % hostcnt].minport,
                               &upnum, hostname, &fdnum);
         }
       else
@@ -4914,48 +5981,45 @@ GNUNET_TESTING_daemons_start (const struct GNUNET_CONFIGURATION_Handle *cfg,
           hostname = NULL;
           username = NULL;
           sshport = 0;
-          pcfg = make_config (cfg, &minport, &upnum, hostname, &fdnum);
+          pcfg = make_config (cfg, off, &minport, &upnum, hostname, &fdnum);
         }
 
       if (NULL == pcfg)
         {
-          GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
-                      _
-                      ("Could not create configuration for peer number %u on `%s'!\n"),
+          GNUNET_log (GNUNET_ERROR_TYPE_WARNING, _
+          ("Could not create configuration for peer number %u on `%s'!\n"),
                       off, hostname == NULL ? "localhost" : hostname);
           continue;
         }
 
-      if (GNUNET_YES ==
-          GNUNET_CONFIGURATION_get_value_string (pcfg, "PATHS", "SERVICEHOME",
-                                                 &baseservicehome))
+      if (GNUNET_YES
+          == GNUNET_CONFIGURATION_get_value_string (pcfg, "PATHS",
+                                                    "SERVICEHOME",
+                                                    &baseservicehome))
         {
-          GNUNET_asprintf (&newservicehome, "%s/%d/", baseservicehome, off);
+          if (hostname != NULL)
+            GNUNET_asprintf (&newservicehome, "%s/%s/%d/", baseservicehome, hostname, off);
+          else
+            GNUNET_asprintf (&newservicehome, "%s/%d/", baseservicehome, off);
+#if !USE_START_HELPER
           GNUNET_free (baseservicehome);
+#endif
         }
       else
         {
           tmpdir = getenv ("TMPDIR");
           tmpdir = tmpdir ? tmpdir : "/tmp";
-          GNUNET_asprintf (&newservicehome,
-                           "%s/%s/%d/",
-                           tmpdir, "gnunet-testing-test-test", off);
+          if (hostname != NULL)
+            GNUNET_asprintf (&newservicehome, "%s/%s/%s/%d/", tmpdir, hostname,
+                             "gnunet-testing-test-test", off);
+          else
+            GNUNET_asprintf (&newservicehome, "%s/%s/%d/", tmpdir,
+                             "gnunet-testing-test-test", off);
         }
-      GNUNET_CONFIGURATION_set_value_string (pcfg,
-                                             "PATHS",
-                                             "SERVICEHOME", newservicehome);
+      GNUNET_CONFIGURATION_set_value_string (pcfg, "PATHS", "SERVICEHOME",
+                                             newservicehome);
       GNUNET_free (newservicehome);
       pg->peers[off].cfg = pcfg;
-#if DEFER
-      /* Can we do this later? */
-      pg->peers[off].allowed_peers =
-        GNUNET_CONTAINER_multihashmap_create (total);
-      pg->peers[off].connect_peers =
-        GNUNET_CONTAINER_multihashmap_create (total);
-      pg->peers[off].blacklisted_peers =
-        GNUNET_CONTAINER_multihashmap_create (total);
-
-#endif
       pg->peers[off].pg = pg;
       pg->peers[off].internal_context.peer = &pg->peers[off];
       pg->peers[off].internal_context.timeout = timeout;
@@ -4963,16 +6027,83 @@ GNUNET_TESTING_daemons_start (const struct GNUNET_CONFIGURATION_Handle *cfg,
       pg->peers[off].internal_context.username = username;
       pg->peers[off].internal_context.sshport = sshport;
       if (pg->hostkey_data != NULL)
-        pg->peers[off].internal_context.hostkey = &pg->hostkey_data[off * HOSTKEYFILESIZE];
+        pg->peers[off].internal_context.hostkey = &pg->hostkey_data[off
+            * HOSTKEYFILESIZE];
       pg->peers[off].internal_context.hostkey_callback = hostkey_callback;
       pg->peers[off].internal_context.hostkey_cls = hostkey_cls;
       pg->peers[off].internal_context.start_cb = cb;
       pg->peers[off].internal_context.start_cb_cls = cb_cls;
-
+#if !USE_START_HELPER
       GNUNET_SCHEDULER_add_now (&internal_start,
                                 &pg->peers[off].internal_context);
+#else
+      if ((pg->hostkey_data != NULL) && (hostcnt > 0))
+        {
+          pg->peers[off].daemon = GNUNET_TESTING_daemon_start (pcfg,
+                                       timeout,
+                                       GNUNET_YES,
+                                       hostname,
+                                       username,
+                                       sshport,
+                                       pg->peers[off].internal_context.hostkey,
+                                       &internal_hostkey_callback,
+                                       &pg->peers[off].internal_context,
+                                       &internal_startup_callback,
+                                       &pg->peers[off].internal_context);
+          /**
+           * At this point, given that we had a hostkeyfile,
+           * we can call the hostkey callback!
+           * But first, we should copy (rsync) all of the configs
+           * and hostkeys to the remote peers.  Then let topology
+           * creation happen, then call the peer start helper processes,
+           * then set pg->whatever_phase for each peer and let them
+           * enter the fsm to get the HELLO's for peers and start connecting.
+           */
+        }
+      else
+        {
+          GNUNET_SCHEDULER_add_now (&internal_start,
+                                    &pg->peers[off].internal_context);
+        }
+
+#endif
+    }
+
+#if USE_START_HELPER /* Now the peergroup has been set up, hostkeys and configs written to files. */
+  if ((pg->hostkey_data != NULL) && (hostcnt > 0))
+    {
+      for (off = 0; off < hostcnt; off++)
+        {
+          GNUNET_asprintf(&newservicehome, "%s/%s/", baseservicehome, pg->hosts[off].hostname);
+
+          if (NULL != username)
+            GNUNET_asprintf (&arg, "%s@%s:%s/%s", username, pg->hosts[off].hostname, baseservicehome, pg->hosts[off].hostname);
+          else
+            GNUNET_asprintf (&arg, "%s:%s/%s", pg->hosts[off].hostname, baseservicehome, pg->hosts[off].hostname);
+
+          /* FIXME: Doesn't support ssh_port option! */
+          proc = GNUNET_OS_start_process (NULL, NULL, "rsync", "rsync", "-r", newservicehome, arg, NULL);
+
+          GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "copying directory with command rsync -r %s %s\n", newservicehome, arg);
 
+          GNUNET_free (arg);
+          if (NULL == proc)
+            {
+              GNUNET_log (
+                          GNUNET_ERROR_TYPE_ERROR,
+                          _
+                          ("Could not start `%s' process to copy configuration directory.\n"),
+                          "scp");
+              GNUNET_assert(0);
+            }
+          GNUNET_OS_process_wait (proc);
+          GNUNET_OS_process_close (proc);
+        }
+      /* Now all the configuration files and hostkeys are copied to the remote host.  Call the hostkey callback for each peer! */
+      GNUNET_SCHEDULER_add_now(&call_hostkey_callbacks, pg);
     }
+  GNUNET_free (baseservicehome);
+#endif
   return pg;
 }
 
@@ -4981,13 +6112,12 @@ GNUNET_TESTING_daemons_start (const struct GNUNET_CONFIGURATION_Handle *cfg,
  * offsetting operation.
  */
 struct GNUNET_TESTING_Daemon *
-GNUNET_TESTING_daemon_get (struct GNUNET_TESTING_PeerGroup *pg,
-                           unsigned int position)
+GNUNET_TESTING_daemon_get(struct GNUNET_TESTING_PeerGroup *pg,
+                          unsigned int position)
 {
   if (position < pg->total)
     return pg->peers[position].daemon;
-  else
-    return NULL;
+  return NULL;
 }
 
 /*
@@ -5000,19 +6130,17 @@ GNUNET_TESTING_daemon_get (struct GNUNET_TESTING_PeerGroup *pg,
  * @return the daemon on success, or NULL if no such peer identity is found
  */
 struct GNUNET_TESTING_Daemon *
-GNUNET_TESTING_daemon_get_by_id (struct GNUNET_TESTING_PeerGroup *pg,
-                                 struct GNUNET_PeerIdentity *peer_id)
+GNUNET_TESTING_daemon_get_by_id(struct GNUNET_TESTING_PeerGroup *pg,
+                                struct GNUNET_PeerIdentity *peer_id)
 {
   unsigned int i;
 
   for (i = 0; i < pg->total; i++)
     {
-      if (0 ==
-          memcmp (&pg->peers[i].daemon->id, peer_id,
-                  sizeof (struct GNUNET_PeerIdentity)))
+      if (0 == memcmp (&pg->peers[i].daemon->id, peer_id,
+                       sizeof(struct GNUNET_PeerIdentity)))
         return pg->peers[i].daemon;
     }
-
   return NULL;
 }
 
@@ -5026,11 +6154,10 @@ GNUNET_TESTING_daemon_get_by_id (struct GNUNET_TESTING_PeerGroup *pg,
  * @param d handle to the daemon that was restarted
  * @param emsg NULL on success
  */
-void
-restart_callback (void *cls,
-                  const struct GNUNET_PeerIdentity *id,
-                  const struct GNUNET_CONFIGURATION_Handle *cfg,
-                  struct GNUNET_TESTING_Daemon *d, const char *emsg)
+static void
+restart_callback(void *cls, const struct GNUNET_PeerIdentity *id,
+                 const struct GNUNET_CONFIGURATION_Handle *cfg,
+                 struct GNUNET_TESTING_Daemon *d, const char *emsg)
 {
   struct RestartContext *restart_context = cls;
 
@@ -5048,9 +6175,8 @@ restart_callback (void *cls,
       restart_context->callback (restart_context->callback_cls, NULL);
       GNUNET_free (restart_context);
     }
-  else if (restart_context->peers_restart_failed +
-           restart_context->peers_restarted ==
-           restart_context->peer_group->total)
+  else if (restart_context->peers_restart_failed
+      + restart_context->peers_restarted == restart_context->peer_group->total)
     {
       restart_context->callback (restart_context->callback_cls,
                                  "Failed to restart peers!");
@@ -5067,8 +6193,8 @@ restart_callback (void *cls,
  * @param emsg NULL on success, non-NULL on failure
  *
  */
-void
-churn_stop_callback (void *cls, const char *emsg)
+static void
+churn_stop_callback(void *cls, const char *emsg)
 {
   struct ShutdownContext *shutdown_ctx = cls;
   struct ChurnContext *churn_ctx = shutdown_ctx->cb_cls;
@@ -5091,18 +6217,17 @@ churn_stop_callback (void *cls, const char *emsg)
 
 #if DEBUG_CHURN
   GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
-              "Stopped peer, %d left.\n", churn_ctx->num_to_stop);
+      "Stopped peer, %d left.\n", churn_ctx->num_to_stop);
 #endif
-  total_left =
-    (churn_ctx->num_to_stop - churn_ctx->num_failed_stop) +
-    (churn_ctx->num_to_start - churn_ctx->num_failed_start);
+  total_left = (churn_ctx->num_to_stop - churn_ctx->num_failed_stop)
+      + (churn_ctx->num_to_start - churn_ctx->num_failed_start);
 
   if (total_left == 0)
     {
-      if ((churn_ctx->num_failed_stop > 0)
-          || (churn_ctx->num_failed_start > 0))
+      if ((churn_ctx->num_failed_stop > 0) || (churn_ctx->num_failed_start > 0))
         {
-          GNUNET_asprintf (&error_message,
+          GNUNET_asprintf (
+                           &error_message,
                            "Churn didn't complete successfully, %u peers failed to start %u peers failed to be stopped!",
                            churn_ctx->num_failed_start,
                            churn_ctx->num_failed_stop);
@@ -5122,7 +6247,7 @@ churn_stop_callback (void *cls, const char *emsg)
  * @return the number of currently running peers in the peer group
  */
 unsigned int
-GNUNET_TESTING_daemons_running (struct GNUNET_TESTING_PeerGroup *pg)
+GNUNET_TESTING_daemons_running(struct GNUNET_TESTING_PeerGroup *pg)
 {
   unsigned int i;
   unsigned int running = 0;
@@ -5145,19 +6270,21 @@ GNUNET_TESTING_daemons_running (struct GNUNET_TESTING_PeerGroup *pg)
  * to calling gnunet-arm N times all at once).
  */
 static void
-schedule_churn_shutdown_task (void *cls,
-                              const struct GNUNET_SCHEDULER_TaskContext *tc)
+schedule_churn_shutdown_task(void *cls,
+                             const struct GNUNET_SCHEDULER_TaskContext *tc)
 {
   struct PeerShutdownContext *peer_shutdown_ctx = cls;
   struct ShutdownContext *shutdown_ctx;
-
+  struct ChurnContext *churn_ctx;
   GNUNET_assert (peer_shutdown_ctx != NULL);
   shutdown_ctx = peer_shutdown_ctx->shutdown_ctx;
   GNUNET_assert (shutdown_ctx != NULL);
-
-  if (shutdown_ctx->outstanding > MAX_CONCURRENT_SHUTDOWN)
-    GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
-                                  (GNUNET_TIME_UNIT_MILLISECONDS, 100),
+  churn_ctx = (struct ChurnContext *) shutdown_ctx->cb_cls;
+  if (shutdown_ctx->outstanding > churn_ctx->pg->max_concurrent_ssh)
+    GNUNET_SCHEDULER_add_delayed (
+                                  GNUNET_TIME_relative_multiply (
+                                                                 GNUNET_TIME_UNIT_MILLISECONDS,
+                                                                 100),
                                   &schedule_churn_shutdown_task,
                                   peer_shutdown_ctx);
   else
@@ -5170,6 +6297,7 @@ schedule_churn_shutdown_task (void *cls,
     }
 }
 
+
 /**
  * Simulate churn by stopping some peers (and possibly
  * re-starting others if churn is called multiple times).  This
@@ -5191,12 +6319,10 @@ schedule_churn_shutdown_task (void *cls,
  * @param cb_cls closure for cb
  */
 void
-GNUNET_TESTING_daemons_churn (struct GNUNET_TESTING_PeerGroup *pg,
-                              unsigned int voff,
-                              unsigned int von,
-                              struct GNUNET_TIME_Relative timeout,
-                              GNUNET_TESTING_NotifyCompletion cb,
-                              void *cb_cls)
+GNUNET_TESTING_daemons_churn(struct GNUNET_TESTING_PeerGroup *pg,
+                             unsigned int voff, unsigned int von,
+                             struct GNUNET_TIME_Relative timeout,
+                             GNUNET_TESTING_NotifyCompletion cb, void *cb_cls)
 {
   struct ChurnContext *churn_ctx;
   struct ShutdownContext *shutdown_ctx;
@@ -5214,10 +6340,15 @@ GNUNET_TESTING_daemons_churn (struct GNUNET_TESTING_PeerGroup *pg,
   unsigned int *running_permute;
   unsigned int *stopped_permute;
 
+  shutdown_ctx = NULL;
+  peer_shutdown_ctx = NULL;
+  peer_restart_ctx = NULL;
+  churn_startup_ctx = NULL;
+
   running = 0;
   stopped = 0;
 
-  if ((von == 0) && (voff == 0))        /* No peers at all? */
+  if ((von == 0) && (voff == 0)) /* No peers at all? */
     {
       cb (cb_cls, NULL);
       return;
@@ -5267,11 +6398,11 @@ GNUNET_TESTING_daemons_churn (struct GNUNET_TESTING_PeerGroup *pg,
   stopped_permute = NULL;
 
   if (running > 0)
-    running_permute =
-      GNUNET_CRYPTO_random_permute (GNUNET_CRYPTO_QUALITY_WEAK, running);
+    running_permute = GNUNET_CRYPTO_random_permute (GNUNET_CRYPTO_QUALITY_WEAK,
+                                                    running);
   if (stopped > 0)
-    stopped_permute =
-      GNUNET_CRYPTO_random_permute (GNUNET_CRYPTO_QUALITY_WEAK, stopped);
+    stopped_permute = GNUNET_CRYPTO_random_permute (GNUNET_CRYPTO_QUALITY_WEAK,
+                                                    stopped);
 
   total_running = running;
   total_stopped = stopped;
@@ -5282,6 +6413,7 @@ GNUNET_TESTING_daemons_churn (struct GNUNET_TESTING_PeerGroup *pg,
   churn_ctx->num_to_stop = voff;
   churn_ctx->cb = cb;
   churn_ctx->cb_cls = cb_cls;
+  churn_ctx->pg = pg;
 
   for (i = 0; i < pg->total; i++)
     {
@@ -5313,21 +6445,21 @@ GNUNET_TESTING_daemons_churn (struct GNUNET_TESTING_PeerGroup *pg,
     {
 #if DEBUG_CHURN
       GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Stopping peer %d!\n",
-                  running_permute[i]);
+          running_permute[i]);
 #endif
       GNUNET_assert (running_arr != NULL);
       peer_shutdown_ctx = GNUNET_malloc (sizeof (struct PeerShutdownContext));
-      peer_shutdown_ctx->daemon =
-        pg->peers[running_arr[running_permute[i]]].daemon;
+      peer_shutdown_ctx->daemon
+          = pg->peers[running_arr[running_permute[i]]].daemon;
       peer_shutdown_ctx->shutdown_ctx = shutdown_ctx;
       GNUNET_SCHEDULER_add_now (&schedule_churn_shutdown_task,
                                 peer_shutdown_ctx);
 
       /*
-         GNUNET_TESTING_daemon_stop (pg->peers[running_arr[running_permute[i]]].daemon,
-         timeout, 
-         &churn_stop_callback, churn_ctx, 
-         GNUNET_NO, GNUNET_YES); */
+       GNUNET_TESTING_daemon_stop (pg->peers[running_arr[running_permute[i]]].daemon,
+       timeout,
+       &churn_stop_callback, churn_ctx,
+       GNUNET_NO, GNUNET_YES); */
     }
 
   GNUNET_assert (stopped >= von);
@@ -5336,22 +6468,23 @@ GNUNET_TESTING_daemons_churn (struct GNUNET_TESTING_PeerGroup *pg,
       churn_startup_ctx = GNUNET_malloc (sizeof (struct ChurnRestartContext));
       churn_startup_ctx->churn_ctx = churn_ctx;
       churn_startup_ctx->timeout = timeout;
+      churn_startup_ctx->pg = pg;
     }
   for (i = 0; i < von; i++)
     {
 #if DEBUG_CHURN
       GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Starting up peer %d!\n",
-                  stopped_permute[i]);
+          stopped_permute[i]);
 #endif
       GNUNET_assert (stopped_arr != NULL);
       peer_restart_ctx = GNUNET_malloc (sizeof (struct PeerRestartContext));
       peer_restart_ctx->churn_restart_ctx = churn_startup_ctx;
-      peer_restart_ctx->daemon =
-        pg->peers[stopped_arr[stopped_permute[i]]].daemon;
+      peer_restart_ctx->daemon
+          = pg->peers[stopped_arr[stopped_permute[i]]].daemon;
       GNUNET_SCHEDULER_add_now (&schedule_churn_restart, peer_restart_ctx);
       /*
-         GNUNET_TESTING_daemon_start_stopped(pg->peers[stopped_arr[stopped_permute[i]]].daemon, 
-         timeout, &churn_start_callback, churn_ctx); */
+       GNUNET_TESTING_daemon_start_stopped(pg->peers[stopped_arr[stopped_permute[i]]].daemon,
+       timeout, &churn_start_callback, churn_ctx); */
     }
 
   GNUNET_free_non_null (running_arr);
@@ -5369,9 +6502,9 @@ GNUNET_TESTING_daemons_churn (struct GNUNET_TESTING_PeerGroup *pg,
  * @param callback_cls closure for the callback function
  */
 void
-GNUNET_TESTING_daemons_restart (struct GNUNET_TESTING_PeerGroup *pg,
-                                GNUNET_TESTING_NotifyCompletion callback,
-                                void *callback_cls)
+GNUNET_TESTING_daemons_restart(struct GNUNET_TESTING_PeerGroup *pg,
+                               GNUNET_TESTING_NotifyCompletion callback,
+                               void *callback_cls)
 {
   struct RestartContext *restart_context;
   unsigned int off;
@@ -5392,6 +6525,7 @@ GNUNET_TESTING_daemons_restart (struct GNUNET_TESTING_PeerGroup *pg,
     }
 }
 
+
 /**
  * Start or stop an individual peer from the given group.
  *
@@ -5403,11 +6537,10 @@ GNUNET_TESTING_daemons_restart (struct GNUNET_TESTING_PeerGroup *pg,
  * @param cb_cls closure for cb
  */
 void
-GNUNET_TESTING_daemons_vary (struct GNUNET_TESTING_PeerGroup *pg,
-                             unsigned int offset,
-                             int desired_status,
-                             struct GNUNET_TIME_Relative timeout,
-                             GNUNET_TESTING_NotifyCompletion cb, void *cb_cls)
+GNUNET_TESTING_daemons_vary(struct GNUNET_TESTING_PeerGroup *pg,
+                            unsigned int offset, int desired_status,
+                            struct GNUNET_TIME_Relative timeout,
+                            GNUNET_TESTING_NotifyCompletion cb, void *cb_cls)
 {
   struct ShutdownContext *shutdown_ctx;
   struct ChurnRestartContext *startup_ctx;
@@ -5424,9 +6557,9 @@ GNUNET_TESTING_daemons_vary (struct GNUNET_TESTING_PeerGroup *pg,
           churn_ctx->cb = cb;
           churn_ctx->cb_cls = cb_cls;
           shutdown_ctx->cb_cls = churn_ctx;
-          GNUNET_TESTING_daemon_stop (pg->peers[offset].daemon,
-                                      timeout, &churn_stop_callback,
-                                      shutdown_ctx, GNUNET_NO, GNUNET_YES);
+          GNUNET_TESTING_daemon_stop (pg->peers[offset].daemon, timeout,
+                                      &churn_stop_callback, shutdown_ctx,
+                                      GNUNET_NO, GNUNET_YES);
         }
     }
   else if (GNUNET_YES == desired_status)
@@ -5456,12 +6589,19 @@ GNUNET_TESTING_daemons_vary (struct GNUNET_TESTING_PeerGroup *pg,
  * @param cls closure (struct ShutdownContext)
  * @param emsg NULL on success
  */
-void
-internal_shutdown_callback (void *cls, const char *emsg)
+static void
+internal_shutdown_callback(void *cls, const char *emsg)
 {
-  struct ShutdownContext *shutdown_ctx = cls;
+  struct PeerShutdownContext *peer_shutdown_ctx = cls;
+  struct ShutdownContext *shutdown_ctx = peer_shutdown_ctx->shutdown_ctx;
+  unsigned int off;
+  struct OutstandingSSH *ssh_pos;
 
   shutdown_ctx->outstanding--;
+  if (peer_shutdown_ctx->daemon->hostname != NULL)
+    decrement_outstanding_at_host (peer_shutdown_ctx->daemon->hostname,
+                                   shutdown_ctx->pg);
+
   if (emsg == NULL)
     {
       shutdown_ctx->peers_down++;
@@ -5471,17 +6611,32 @@ internal_shutdown_callback (void *cls, const char *emsg)
       shutdown_ctx->peers_failed++;
     }
 
-  if ((shutdown_ctx->cb != NULL)
-      && (shutdown_ctx->peers_down + shutdown_ctx->peers_failed ==
-          shutdown_ctx->total_peers))
+  if ((shutdown_ctx->cb != NULL) && (shutdown_ctx->peers_down
+      + shutdown_ctx->peers_failed == shutdown_ctx->total_peers))
     {
       if (shutdown_ctx->peers_failed > 0)
         shutdown_ctx->cb (shutdown_ctx->cb_cls,
                           "Not all peers successfully shut down!");
       else
         shutdown_ctx->cb (shutdown_ctx->cb_cls, NULL);
+
+      GNUNET_free (shutdown_ctx->pg->peers);
+      GNUNET_free_non_null(shutdown_ctx->pg->hostkey_data);
+      for (off = 0; off < shutdown_ctx->pg->num_hosts; off++)
+        {
+          GNUNET_free (shutdown_ctx->pg->hosts[off].hostname);
+          GNUNET_free_non_null (shutdown_ctx->pg->hosts[off].username);
+        }
+      GNUNET_free_non_null (shutdown_ctx->pg->hosts);
+      while (NULL != (ssh_pos = shutdown_ctx->pg->ssh_head))
+        {
+          GNUNET_CONTAINER_DLL_remove(shutdown_ctx->pg->ssh_head, shutdown_ctx->pg->ssh_tail, ssh_pos);
+          GNUNET_free(ssh_pos);
+        }
+      GNUNET_free (shutdown_ctx->pg);
       GNUNET_free (shutdown_ctx);
     }
+  GNUNET_free(peer_shutdown_ctx);
 }
 
 
@@ -5493,8 +6648,7 @@ internal_shutdown_callback (void *cls, const char *emsg)
  * to calling gnunet-arm N times all at once).
  */
 static void
-schedule_shutdown_task (void *cls,
-                        const struct GNUNET_SCHEDULER_TaskContext *tc)
+schedule_shutdown_task(void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
 {
   struct PeerShutdownContext *peer_shutdown_ctx = cls;
   struct ShutdownContext *shutdown_ctx;
@@ -5503,21 +6657,29 @@ schedule_shutdown_task (void *cls,
   shutdown_ctx = peer_shutdown_ctx->shutdown_ctx;
   GNUNET_assert (shutdown_ctx != NULL);
 
-  if (shutdown_ctx->outstanding > MAX_CONCURRENT_SHUTDOWN)
-    GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
-                                  (GNUNET_TIME_UNIT_MILLISECONDS, 100),
-                                  &schedule_shutdown_task, peer_shutdown_ctx);
-  else
+  if ((shutdown_ctx->outstanding < shutdown_ctx->pg->max_concurrent_ssh)
+      || ((peer_shutdown_ctx->daemon->hostname != NULL)
+          && (count_outstanding_at_host (peer_shutdown_ctx->daemon->hostname,
+                                         shutdown_ctx->pg)
+              < shutdown_ctx->pg->max_concurrent_ssh)))
     {
+      if (peer_shutdown_ctx->daemon->hostname != NULL)
+        increment_outstanding_at_host (peer_shutdown_ctx->daemon->hostname,
+                                       shutdown_ctx->pg);
       shutdown_ctx->outstanding++;
       GNUNET_TESTING_daemon_stop (peer_shutdown_ctx->daemon,
                                   shutdown_ctx->timeout,
-                                  &internal_shutdown_callback, shutdown_ctx,
+                                  &internal_shutdown_callback, peer_shutdown_ctx,
                                   GNUNET_YES, GNUNET_NO);
-      GNUNET_free (peer_shutdown_ctx);
     }
+  else
+    GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MILLISECONDS,
+                                                                 100),
+                                  &schedule_shutdown_task, peer_shutdown_ctx);
+
 }
 
+
 /**
  * Shutdown all peers started in the given group.
  *
@@ -5527,9 +6689,9 @@ schedule_shutdown_task (void *cls,
  * @param cb_cls closure for cb
  */
 void
-GNUNET_TESTING_daemons_stop (struct GNUNET_TESTING_PeerGroup *pg,
-                             struct GNUNET_TIME_Relative timeout,
-                             GNUNET_TESTING_NotifyCompletion cb, void *cb_cls)
+GNUNET_TESTING_daemons_stop(struct GNUNET_TESTING_PeerGroup *pg,
+                            struct GNUNET_TIME_Relative timeout,
+                            GNUNET_TESTING_NotifyCompletion cb, void *cb_cls)
 {
   unsigned int off;
   struct ShutdownContext *shutdown_ctx;
@@ -5546,6 +6708,7 @@ GNUNET_TESTING_daemons_stop (struct GNUNET_TESTING_PeerGroup *pg,
   shutdown_ctx->cb_cls = cb_cls;
   shutdown_ctx->total_peers = pg->total;
   shutdown_ctx->timeout = timeout;
+  shutdown_ctx->pg = pg;
   /* shtudown_ctx->outstanding = 0; */
 
   for (off = 0; off < pg->total; off++)
@@ -5557,7 +6720,10 @@ GNUNET_TESTING_daemons_stop (struct GNUNET_TESTING_PeerGroup *pg,
       GNUNET_SCHEDULER_add_now (&schedule_shutdown_task, peer_shutdown_ctx);
 
       if (NULL != pg->peers[off].cfg)
+      {
         GNUNET_CONFIGURATION_destroy (pg->peers[off].cfg);
+        pg->peers[off].cfg = NULL;
+      }
 #if OLD
       conn_iter = pg->peers[off].allowed_peers_head;
       while (conn_iter != NULL)
@@ -5592,24 +6758,14 @@ GNUNET_TESTING_daemons_stop (struct GNUNET_TESTING_PeerGroup *pg,
         }
 #else
       if (pg->peers[off].allowed_peers != NULL)
-        GNUNET_CONTAINER_multihashmap_destroy (pg->peers[off].allowed_peers);
+       GNUNET_CONTAINER_multihashmap_destroy (pg->peers[off].allowed_peers);
       if (pg->peers[off].connect_peers != NULL)
-        GNUNET_CONTAINER_multihashmap_destroy (pg->peers[off].connect_peers);
+       GNUNET_CONTAINER_multihashmap_destroy (pg->peers[off].connect_peers);
       if (pg->peers[off].blacklisted_peers != NULL)
-        GNUNET_CONTAINER_multihashmap_destroy (pg->
-                                               peers[off].blacklisted_peers);
+       GNUNET_CONTAINER_multihashmap_destroy (pg->
+                                              peers[off].blacklisted_peers);
 #endif
     }
-  GNUNET_free (pg->peers);
-  GNUNET_free_non_null(pg->hostkey_data);
-  for (off = 0; off < pg->num_hosts; off++)
-    {
-      GNUNET_free (pg->hosts[off].hostname);
-      GNUNET_free_non_null (pg->hosts[off].username);
-    }
-  GNUNET_free_non_null (pg->hosts);
-  GNUNET_free (pg);
 }
 
-
 /* end of testing_group.c */