Merge branch 'master' of ssh://gnunet.org/gnunet
[oweals/gnunet.git] / src / regex / gnunet-regex-profiler.c
index 25fb4b6a34125f76e64ad20ae70e88819f749398..f65ba3db114cf9834d8fd5578abf4d543de3bb31 100644 (file)
@@ -1,21 +1,19 @@
 /*
      This file is part of GNUnet.
-     (C) 2011 - 2013 Christian Grothoff (and other contributing authors)
+     Copyright (C) 2011 - 2017 GNUnet e.V.
 
-     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 free software: you can redistribute it and/or modify it
+     under the terms of the GNU Affero General Public License as published
+     by the Free Software Foundation, either version 3 of the License,
+     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.
+     Affero General Public License for more details.
+    
+     You should have received a copy of the GNU Affero General Public License
+     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 /**
 #include "platform.h"
 #include "gnunet_applications.h"
 #include "gnunet_util_lib.h"
-#include "gnunet_regex_lib.h"
+#include "regex_internal_lib.h"
 #include "gnunet_arm_service.h"
 #include "gnunet_dht_service.h"
 #include "gnunet_testbed_service.h"
 
 #define FIND_TIMEOUT \
         GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 90)
-#define SEARCHES_IN_PARALLEL 100
 
 /**
  * DLL of operations
@@ -130,16 +127,6 @@ struct RegexPeer
    */
   struct GNUNET_TESTBED_Peer *peer_handle;
 
-  /**
-   * Host on which the peer is running.
-   */
-  struct GNUNET_TESTBED_Host *host_handle;
-
-  /**
-   * Filename of the peer's policy file.
-   */
-  char *policy_file;
-
   /**
    * Peer's search string.
    */
@@ -153,11 +140,6 @@ struct RegexPeer
    */
   int search_str_matched;
 
-  /**
-   * Peer's ARM handle.
-   */
-  struct GNUNET_ARM_Handle *arm_handle;
-
   /**
    * Peer's DHT handle.
    */
@@ -166,10 +148,10 @@ struct RegexPeer
   /**
    * Handle to a running regex search.
    */
-   struct GNUNET_REGEX_search_handle *search_handle;
+   struct REGEX_INTERNAL_Search *search_handle;
 
   /**
-   * Testbed operation handle for the ARM and DHT services.
+   * Testbed operation handle for DHT.
    */
   struct GNUNET_TESTBED_Operation *op_handle;
 
@@ -178,11 +160,6 @@ struct RegexPeer
    */
   struct GNUNET_STATISTICS_Handle *stats_handle;
 
-  /**
-   * Testbed operation handle for the statistics service.
-   */
-  struct GNUNET_TESTBED_Operation *stats_op_handle;
-
   /**
    * The starting time of a profiling step.
    */
@@ -191,20 +168,18 @@ struct RegexPeer
   /**
    * Operation timeout
    */
-  GNUNET_SCHEDULER_TaskIdentifier timeout;
-};
-
+  struct GNUNET_SCHEDULER_Task * timeout;
 
-/**
- * An array of hosts loaded from the hostkeys file
- */
-static struct GNUNET_TESTBED_Host **hosts;
+  /**
+   * Deamon start
+   */
+  struct GNUNET_TESTBED_Operation *daemon_op;
+};
 
 /**
- * Array of peer handles used to pass to
- * GNUNET_TESTBED_overlay_configure_topology
+ * Set when shutting down to avoid making more queries.
  */
-static struct GNUNET_TESTBED_Peer **peer_handles;
+static int in_shutdown;
 
 /**
  * The array of peers; we fill this as the peers are given to us by the testbed
@@ -231,40 +206,15 @@ static struct GNUNET_TESTBED_Controller *mc;
  */
 static struct GNUNET_CONFIGURATION_Handle *cfg;
 
-/**
- * Head of the operations list
- */
-static struct DLLOperation *dll_op_head;
-
-/**
- * Tail of the operations list
- */
-static struct DLLOperation *dll_op_tail;
-
-/**
- * Peer linking - topology operation
- */
-static struct GNUNET_TESTBED_Operation *topology_op;
-
-/**
- * The handle for whether a host is habitable or not
- */
-struct GNUNET_TESTBED_HostHabitableCheckHandle **hc_handles;
-
 /**
  * Abort task identifier
  */
-static GNUNET_SCHEDULER_TaskIdentifier abort_task;
-
-/**
- * Shutdown task identifier
- */
-static GNUNET_SCHEDULER_TaskIdentifier shutdown_task;
+static struct GNUNET_SCHEDULER_Task * abort_task;
 
 /**
  * Host registration task identifier
  */
-static GNUNET_SCHEDULER_TaskIdentifier register_hosts_task;
+static struct GNUNET_SCHEDULER_Task * register_hosts_task;
 
 /**
  * Global event mask for all testbed events
@@ -286,26 +236,6 @@ static struct GNUNET_TIME_Relative prof_time;
  */
 static unsigned int num_peers;
 
-/**
- * Number of hosts in the hosts array
- */
-static unsigned int num_hosts;
-
-/**
- * Factor of number of links. num_links = num_peers * linking_factor.
- */
-static unsigned int linking_factor;
-
-/**
- * Number of random links to be established between peers
- */
-static unsigned int num_links;
-
-/**
- * Number of connect operations that have failed, candidates to retry
- */
-static unsigned int retry_links;
-
 /**
  * Global testing status
  */
@@ -322,56 +252,50 @@ enum State state;
 static char * policy_dir;
 
 /**
- * Search strings.
+ * File with hostnames where to execute the test.
  */
-static char **search_strings;
+static char *hosts_file;
 
 /**
- * Number of search strings.
+ * File with the strings to look for.
  */
-static int num_search_strings;
+static char *strings_file;
 
 /**
- * How many searches are running in parallel
+ * Search strings (num_peers of them).
  */
-static unsigned int parallel_searches;
+static char **search_strings;
 
 /**
- * Index of peer/string search.
+ * How many searches are we going to start in parallel
  */
-static unsigned int peer_cnt;
+static long long unsigned int init_parallel_searches;
 
 /**
- * Number of peers found with search strings.
+ * How many searches are running in parallel
  */
-static unsigned int peers_found;
+static unsigned int parallel_searches;
 
 /**
- * Index of peer to start next announce/search.
+ * Number of strings found in the published regexes.
  */
-static unsigned int next_search;
+static unsigned int strings_found;
 
 /**
- * Search task identifier
+ * Index of peer to start next announce/search.
  */
-static GNUNET_SCHEDULER_TaskIdentifier search_task;
+static unsigned int next_search;
 
 /**
  * Search timeout task identifier.
  */
-static GNUNET_SCHEDULER_TaskIdentifier search_timeout_task;
+static struct GNUNET_SCHEDULER_Task * search_timeout_task;
 
 /**
  * Search timeout in seconds.
  */
 static struct GNUNET_TIME_Relative search_timeout_time = { 60000 };
 
-/**
- * How long do we wait before starting the search?
- * Default: 1 m.
- */
-static struct GNUNET_TIME_Relative search_delay = { 60000 };
-
 /**
  * File to log statistics to.
  */
@@ -382,11 +306,6 @@ static struct GNUNET_DISK_FileHandle *data_file;
  */
 static char *data_filename;
 
-/**
- * Maximal path compression length.
- */
-static unsigned int max_path_compression;
-
 /**
  * Prefix used for regex announcing. We need to prefix the search
  * strings with it, in order to find something.
@@ -454,25 +373,13 @@ stats_connect_cb (void *cls,
                   const char *emsg);
 
 
-/**
- * Task to collect all statistics from s, will shutdown the
- * profiler, when done.
- *
- * @param cls NULL
- * @param tc the task context
- */
-static void
-do_collect_stats (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
-
-
 /**
  * Start announcing the next regex in the DHT.
  *
  * @param cls Index of the next peer in the peers array.
- * @param tc TaskContext.
  */
 static void
-announce_next_regex (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
+announce_next_regex (void *cls);
 
 
 /******************************************************************************/
@@ -484,33 +391,26 @@ announce_next_regex (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
  * Shutdown nicely
  *
  * @param cls NULL
- * @param tc the task context
  */
 static void
-do_shutdown (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+do_shutdown (void *cls)
 {
-  struct DLLOperation *dll_op;
   struct RegexPeer *peer;
-  unsigned int nhost;
   unsigned int peer_cnt;
   unsigned int search_str_cnt;
   char output_buffer[512];
   size_t size;
 
-  shutdown_task = GNUNET_SCHEDULER_NO_TASK;
-  if (GNUNET_SCHEDULER_NO_TASK != abort_task)
-    GNUNET_SCHEDULER_cancel (abort_task);
-  if (NULL != hc_handles)
+  if (NULL != abort_task)
   {
-    for (nhost = 0; nhost < num_hosts; nhost++)
-      if (NULL != hc_handles[nhost])
-        GNUNET_TESTBED_is_host_habitable_cancel (hc_handles[nhost]);
-    GNUNET_free (hc_handles);
-    hc_handles = NULL;
+    GNUNET_SCHEDULER_cancel (abort_task);
+    abort_task = NULL;
   }
-  if (GNUNET_SCHEDULER_NO_TASK != register_hosts_task)
+  if (NULL != register_hosts_task)
+  {
     GNUNET_SCHEDULER_cancel (register_hosts_task);
-
+    register_hosts_task = NULL;
+  }
   for (peer_cnt = 0; peer_cnt < num_peers; peer_cnt++)
   {
     peer = &peers[peer_cnt];
@@ -521,10 +421,11 @@ do_shutdown (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
       size =
         GNUNET_snprintf (output_buffer,
                          sizeof (output_buffer),
-                         "%p Search string not found: %s (%d)\n%p On peer: %u (%p)\n%p With policy file: %s\n%p After: %s\n",
+                         "%p Search string not found: %s (%d)\n"
+                         "%p On peer: %u (%p)\n"
+                         "%p After: %s\n",
                          peer, peer->search_str, peer->search_str_matched,
                          peer, peer->id, peer,
-                         peer, peer->policy_file,
                          peer,
                          GNUNET_STRINGS_relative_time_to_string (prof_time,
                                                                  GNUNET_NO));
@@ -534,44 +435,42 @@ do_shutdown (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
 
     if (NULL != peers[peer_cnt].op_handle)
       GNUNET_TESTBED_operation_done (peers[peer_cnt].op_handle);
-    if (NULL != peers[peer_cnt].stats_op_handle)
-      GNUNET_TESTBED_operation_done (peers[peer_cnt].stats_op_handle);
   }
 
   if (NULL != data_file)
+  {
     GNUNET_DISK_file_close (data_file);
-
+    data_file = NULL;
+  }
   for (search_str_cnt = 0;
-       search_str_cnt < num_search_strings && NULL != search_strings;
+       search_str_cnt < num_peers && NULL != search_strings;
        search_str_cnt++)
   {
     GNUNET_free_non_null (search_strings[search_str_cnt]);
   }
   GNUNET_free_non_null (search_strings);
+  search_strings = NULL;
 
   if (NULL != reg_handle)
-    GNUNET_TESTBED_cancel_registration (reg_handle);
-  if (NULL != topology_op)
-    GNUNET_TESTBED_operation_done (topology_op);
-  for (nhost = 0; nhost < num_hosts; nhost++)
-    if (NULL != hosts[nhost])
-      GNUNET_TESTBED_host_destroy (hosts[nhost]);
-  GNUNET_free_non_null (hosts);
-
-  while (NULL != (dll_op = dll_op_head))
   {
-    GNUNET_TESTBED_operation_done (dll_op->op);
-    GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
-    GNUNET_free (dll_op);
+    GNUNET_TESTBED_cancel_registration (reg_handle);
+    reg_handle = NULL;
   }
   if (NULL != mc)
+  {
     GNUNET_TESTBED_controller_disconnect (mc);
+    mc = NULL;
+  }
   if (NULL != mc_proc)
+  {
     GNUNET_TESTBED_controller_stop (mc_proc);
+    mc_proc = NULL;
+  }
   if (NULL != cfg)
+  {
     GNUNET_CONFIGURATION_destroy (cfg);
-
-  GNUNET_SCHEDULER_shutdown (); /* Stop scheduler to shutdown testbed run */
+    cfg = NULL;
+  }
 }
 
 
@@ -579,19 +478,17 @@ do_shutdown (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
  * abort task to run on test timed out
  *
  * @param cls NULL
- * @param tc the task context
  */
 static void
-do_abort (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+do_abort (void *cls)
 {
   unsigned long i = (unsigned long) cls;
 
-  GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Aborting %lu...\n", i);
-  abort_task = GNUNET_SCHEDULER_NO_TASK;
+  GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+             "Aborting from line %lu...\n", i);
+  abort_task = NULL;
   result = GNUNET_SYSERR;
-  if (GNUNET_SCHEDULER_NO_TASK != shutdown_task)
-    GNUNET_SCHEDULER_cancel (shutdown_task);
-  shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
+  GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
 }
 
 
@@ -610,7 +507,8 @@ do_abort (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
  * @return service handle to return in 'op_result', NULL on error
  */
 static void *
-stats_ca (void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg)
+stats_ca (void *cls,
+         const struct GNUNET_CONFIGURATION_Handle *cfg)
 {
   return GNUNET_STATISTICS_create ("<driver>", cfg);
 }
@@ -643,10 +541,12 @@ stats_da (void *cls, void *op_result)
  * @param name the name of the datum
  * @param value the current value
  * @param is_persistent GNUNET_YES if the value is persistent, GNUNET_NO if not
- * @return GNUNET_OK to continue, GNUNET_SYSERR to abort iteration
+ * @return #GNUNET_OK to continue, #GNUNET_SYSERR to abort iteration
  */
 static int
-stats_iterator (void *cls, const char *subsystem, const char *name,
+stats_iterator (void *cls,
+               const char *subsystem,
+               const char *name,
                 uint64_t value, int is_persistent)
 {
   struct RegexPeer *peer = cls;
@@ -657,7 +557,10 @@ stats_iterator (void *cls, const char *subsystem, const char *name,
   {
     GNUNET_log (GNUNET_ERROR_TYPE_INFO,
                 "%p -> %s [%s]: %llu\n",
-                peer, subsystem, name, value);
+                peer,
+                subsystem,
+                name,
+                (unsigned long long) value);
     return GNUNET_OK;
   }
   size =
@@ -667,7 +570,8 @@ stats_iterator (void *cls, const char *subsystem, const char *name,
                      peer,
                      subsystem, value, name);
   if (size != GNUNET_DISK_file_write (data_file, output_buffer, size))
-    GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Unable to write to file!\n");
+    GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+                "Unable to write to file!\n");
 
   return GNUNET_OK;
 }
@@ -696,22 +600,25 @@ stats_cb (void *cls,
     return;
   }
 
-  GNUNET_assert (NULL != peer->stats_op_handle);
+  GNUNET_assert (NULL != peer->op_handle);
 
-  GNUNET_TESTBED_operation_done (peer->stats_op_handle);
-  peer->stats_op_handle = NULL;
+  GNUNET_TESTBED_operation_done (peer->op_handle);
+  peer->op_handle = NULL;
 
   peer_cnt++;
   peer = &peers[peer_cnt];
 
+  fprintf (stderr, "s");
   if (peer_cnt == num_peers)
   {
-    struct GNUNET_TIME_Relative delay = { 100 };
-    shutdown_task = GNUNET_SCHEDULER_add_delayed (delay, &do_shutdown, NULL);
+    GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+               "\nCollecting stats finished. Shutting down.\n");
+    GNUNET_SCHEDULER_shutdown ();
+    result = GNUNET_OK;
   }
   else
   {
-    peer->stats_op_handle =
+    peer->op_handle =
       GNUNET_TESTBED_service_connect (NULL,
                                       peer->peer_handle,
                                       "statistics",
@@ -754,7 +661,6 @@ stats_connect_cb (void *cls,
   peer->stats_handle = ca_result;
 
   if (NULL == GNUNET_STATISTICS_get (peer->stats_handle, NULL, NULL,
-                                     GNUNET_TIME_UNIT_FOREVER_REL,
                                      &stats_cb,
                                      &stats_iterator, peer))
   {
@@ -769,16 +675,15 @@ stats_connect_cb (void *cls,
  * profiler, when done.
  *
  * @param cls NULL
- * @param tc the task context
  */
 static void
-do_collect_stats (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+do_collect_stats (void *cls)
 {
   struct RegexPeer *peer = &peers[0];
 
   GNUNET_assert (NULL != peer->peer_handle);
 
-  peer->stats_op_handle =
+  peer->op_handle =
     GNUNET_TESTBED_service_connect (NULL,
                                     peer->peer_handle,
                                     "statistics",
@@ -799,17 +704,16 @@ do_collect_stats (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
  * Start searching for the next string in the DHT.
  *
  * @param cls Index of the next peer in the peers array.
- * @param tc TaskContext.
  */
 static void
-find_string (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
+find_string (void *cls);
 
 
 /**
  * Method called when we've found a peer that announced a regex
  * that matches our search string. Now get the statistics.
  *
- * @param cls Closure provided in GNUNET_REGEX_search.
+ * @param cls Closure provided in REGEX_INTERNAL_search.
  * @param id Peer providing a regex that matches the string.
  * @param get_path Path of the get request.
  * @param get_path_length Lenght of get_path.
@@ -830,20 +734,21 @@ regex_found_handler (void *cls,
 
   if (GNUNET_YES == peer->search_str_matched)
   {
-    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, 
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
                 "String %s on peer %u already matched!\n",
                 peer->search_str, peer->id);
     return;
   }
 
-  peers_found++;
+  strings_found++;
   parallel_searches--;
 
-  if (GNUNET_SCHEDULER_NO_TASK != peer->timeout)
+  if (NULL != peer->timeout)
   {
     GNUNET_SCHEDULER_cancel (peer->timeout);
-    peer->timeout = GNUNET_SCHEDULER_NO_TASK;
-    GNUNET_SCHEDULER_add_now (&announce_next_regex, NULL);
+    peer->timeout = NULL;
+    if (GNUNET_NO == in_shutdown)
+      GNUNET_SCHEDULER_add_now (&announce_next_regex, NULL);
   }
 
   if (NULL == id)
@@ -851,7 +756,7 @@ regex_found_handler (void *cls,
     // FIXME not possible right now
     GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
                 "String matching timed out for string %s on peer %u (%i/%i)\n",
-                peer->search_str, peer->id, peers_found, num_search_strings);
+                peer->search_str, peer->id, strings_found, num_peers);
     peer->search_str_matched = GNUNET_SYSERR;
   }
   else
@@ -862,7 +767,7 @@ regex_found_handler (void *cls,
                 "String %s found on peer %u after %s (%i/%i) (%u||)\n",
                 peer->search_str, peer->id,
                 GNUNET_STRINGS_relative_time_to_string (prof_time, GNUNET_NO),
-                peers_found, num_search_strings, parallel_searches);
+                strings_found, num_peers, parallel_searches);
 
     peer->search_str_matched = GNUNET_YES;
 
@@ -871,12 +776,10 @@ regex_found_handler (void *cls,
       size =
         GNUNET_snprintf (output_buffer,
                          sizeof (output_buffer),
-                         "%p Peer: %u\n%p Host: %s\n%p Policy file: %s\n"
-                         "%p Search string: %s\n%p Search duration: %s\n\n",
+                         "%p Peer: %u\n"
+                         "%p Search string: %s\n"
+                         "%p Search duration: %s\n\n",
                          peer, peer->id,
-                         peer,
-                         GNUNET_TESTBED_host_get_hostname (peer->host_handle),
-                         peer, peer->policy_file,
                          peer, peer->search_str,
                          peer,
                          GNUNET_STRINGS_relative_time_to_string (prof_time,
@@ -890,17 +793,20 @@ regex_found_handler (void *cls,
   GNUNET_TESTBED_operation_done (peer->op_handle);
   peer->op_handle = NULL;
 
-  if (peers_found == num_search_strings)
+  if (strings_found == num_peers)
   {
     prof_time = GNUNET_TIME_absolute_get_duration (prof_start_time);
     GNUNET_log (GNUNET_ERROR_TYPE_INFO,
                 "All strings successfully matched in %s\n",
                 GNUNET_STRINGS_relative_time_to_string (prof_time, GNUNET_NO));
 
-    if (GNUNET_SCHEDULER_NO_TASK != search_timeout_task)
+    if (NULL != search_timeout_task)
+    {
       GNUNET_SCHEDULER_cancel (search_timeout_task);
+      search_timeout_task = NULL;
+    }
 
-    GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Collecting stats and shutting down.\n");
+    GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Collecting stats.\n");
     GNUNET_SCHEDULER_add_now (&do_collect_stats, NULL);
   }
 }
@@ -911,25 +817,34 @@ regex_found_handler (void *cls,
  * specified timeout 'search_timeout'.
  *
  * @param cls NULL
- * @param tc the task context
  */
 static void
-search_timeout (void *cls,
-                              const struct GNUNET_SCHEDULER_TaskContext * tc)
+search_timed_out (void *cls)
 {
+  unsigned int i;
+
   GNUNET_log (GNUNET_ERROR_TYPE_INFO,
               "Finding matches to all strings did not succeed after %s.\n",
               GNUNET_STRINGS_relative_time_to_string (search_timeout_time,
                                                       GNUNET_NO));
   GNUNET_log (GNUNET_ERROR_TYPE_INFO,
-              "Found %i of %i strings\n", peers_found, num_search_strings);
+              "Found %i of %i strings\n", strings_found, num_peers);
 
   GNUNET_log (GNUNET_ERROR_TYPE_INFO,
               "Search timed out after %s."
-              "Collecting stats and shutting down.\n", 
+              "Collecting stats and shutting down.\n",
               GNUNET_STRINGS_relative_time_to_string (search_timeout_time,
                                                       GNUNET_NO));
 
+  in_shutdown = GNUNET_YES;
+  for (i = 0; i < num_peers; i++)
+  {
+    if (NULL != peers[i].op_handle)
+    {
+      GNUNET_TESTBED_operation_done (peers[i].op_handle);
+      peers[i].op_handle = NULL;
+    }
+  }
   GNUNET_SCHEDULER_add_now (&do_collect_stats, NULL);
 }
 
@@ -939,22 +854,19 @@ search_timeout (void *cls,
  * but we should start another one.
  *
  * @param cls Index of the next peer in the peers array.
- * @param tc TaskContext.
  */
 static void
-find_timeout (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+find_timed_out (void *cls)
 {
   struct RegexPeer *p = cls;
 
-  p->timeout = GNUNET_SCHEDULER_NO_TASK;
-
-  if ((tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN) != 0)
-    return;
+  p->timeout = NULL;
   GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
-              "Searching for string \"%s\" on peer %d timed out. Starting new search.\n",
+              "Searching for string \"%s\" on peer %d timed out.\n",
               p->search_str,
               p->id);
-  GNUNET_SCHEDULER_add_now (&announce_next_regex, NULL);
+  if (GNUNET_NO == in_shutdown)
+    GNUNET_SCHEDULER_add_now (&announce_next_regex, NULL);
 }
 
 
@@ -962,204 +874,85 @@ find_timeout (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
  * Start searching for a string in the DHT.
  *
  * @param cls Index of the next peer in the peers array.
- * @param tc TaskContext.
  */
 static void
-find_string (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+find_string (void *cls)
 {
-  if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN) ||
-      peer_cnt >= num_search_strings)
+  unsigned int search_peer = (unsigned int) (long) cls;
+
+  if ( (search_peer >= num_peers) ||
+       (GNUNET_YES == in_shutdown) )
     return;
 
-  peers[peer_cnt].search_str = search_strings[peer_cnt];
-  peers[peer_cnt].search_str_matched = GNUNET_NO;
   GNUNET_log (GNUNET_ERROR_TYPE_INFO,
-              "Searching for string \"%s\" on peer %d with file %s (%u||)\n",
-              peers[peer_cnt].search_str,
-              peer_cnt,
-              peers[peer_cnt].policy_file,
+              "Searching for string \"%s\" on peer %d (%u||)\n",
+              peers[search_peer].search_str,
+              search_peer,
               parallel_searches);
 
-  peers[peer_cnt].op_handle =
+  peers[search_peer].op_handle =
     GNUNET_TESTBED_service_connect (NULL,
-                                    peers[peer_cnt].peer_handle,
+                                    peers[search_peer].peer_handle,
                                     "dht",
                                     &dht_connect_cb,
-                                    &peers[peer_cnt],
+                                    &peers[search_peer],
                                     &dht_ca,
                                     &dht_da,
-                                    &peers[peer_cnt]);
-  peers[peer_cnt].timeout = GNUNET_SCHEDULER_add_delayed (FIND_TIMEOUT,
-                                                          &find_timeout,
-                                                          &peers[peer_cnt]);
-  peer_cnt++;
+                                    &peers[search_peer]);
+  GNUNET_assert (NULL != peers[search_peer].op_handle);
+  peers[search_peer].timeout
+    = GNUNET_SCHEDULER_add_delayed (FIND_TIMEOUT,
+                                   &find_timed_out,
+                                   &peers[search_peer]);
 }
 
 
 /**
- * ARM connect adapter. Opens a connection to the ARM service.
- *
- * @param cls Closure (peer).
- * @param cfg Configuration handle.
- *
- * @return
- */
-static void *
-arm_ca (void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg)
-{
-  struct RegexPeer *peer = cls;
-
-  peer->arm_handle = GNUNET_ARM_connect (cfg, NULL, NULL);
-
-  return peer->arm_handle;
-}
-
-
-/**
- * Adapter function called to destroy a connection to the ARM service.
- *
- * @param cls Closure (peer).
- * @param op_result Service handle returned from the connect adapter.
- */
-static void
-arm_da (void *cls, void *op_result)
-{
-  struct RegexPeer *peer = (struct RegexPeer *) cls;
-
-  GNUNET_assert (peer->arm_handle == op_result);
-
-  if (NULL != peer->arm_handle)
-  {
-    GNUNET_ARM_disconnect_and_free (peer->arm_handle);
-    peer->arm_handle = NULL;
-  }
-}
-
-/**
- * Finish and free the operation used to start the regex daemon.
- * operation_done calls ARM_disconnect, which cannot happen inside an
- * ARM callback.
+ * Callback called when testbed has started the daemon we asked for.
  *
- * @param cls Closure (Peer info)
- * @param tc TaskContext
- */
-static void
-arm_op_done (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
-{
-  struct RegexPeer *peer = (struct RegexPeer *) cls;
-
-  GNUNET_TESTBED_operation_done (peer->op_handle);
-  peer->op_handle = NULL;
-}
-
-
-/**
- * Callback called when arm has started the daemon we asked for.
- * 
- * @param cls           Closure ().
- * @param arm           Arm handle.
- * @param rs            Status of the request.
- * @param service       Service we asked to start (deamon).
- * @param result        Result of the request.
+ * @param cls NULL
+ * @param op the operation handle
+ * @param emsg NULL on success; otherwise an error description
  */
 static void
-arm_start_cb (void *cls, struct GNUNET_ARM_Handle *arm,
-    enum GNUNET_ARM_RequestStatus rs, const char *service,
-    enum GNUNET_ARM_Result result)
+daemon_started (void *cls,
+               struct GNUNET_TESTBED_Operation *op,
+                const char *emsg)
 {
   struct RegexPeer *peer = (struct RegexPeer *) cls;
+  unsigned long search_peer;
+  unsigned int i;
 
-  if (rs != GNUNET_ARM_REQUEST_SENT_OK)
+  GNUNET_TESTBED_operation_done (peer->daemon_op);
+  peer->daemon_op = NULL;
+  if (NULL != emsg)
   {
-    GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "ARM request was not sent: %u\n", rs);
-    GNUNET_abort ();
+    GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+                "Failed to start/stop daemon at peer %u: %s\n", peer->id, emsg);
+    GNUNET_assert (0);
   }
-  switch (result)
+  else
   {
-      /**
-       * Asked to start it, but it's already starting.
-       */
-    case GNUNET_ARM_RESULT_IS_STARTING_ALREADY:
-      GNUNET_break (0); /* Shouldn't be starting, however it's not fatal. */
-      /* fallthrough */
-
-      /**
-       * Service is currently being started (due to client request).
-       */
-    case GNUNET_ARM_RESULT_STARTING:
-      GNUNET_SCHEDULER_add_now (&arm_op_done, peer);
-
-      {
-        long search_peer;
-        unsigned int i;
-        unsigned int me;
-
-        me = peer - peers;
-
-        /* Find a peer to look for a string matching the regex announced */
-        search_peer = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK,
-                                                num_peers);
-        for (i = 0; peers[search_peer].search_str != NULL; i++)
-        {
-          search_peer = (search_peer + 1) % num_peers;
-          if (i > num_peers)
-            GNUNET_abort (); /* we ran out of peers, must be a bug */
-        }
-        peers[search_peer].search_str = search_strings[me];
-        GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply(
-                                        reannounce_period_max,
-                                        2),
-                                      &find_string,
-                                      (void *) search_peer);
-      }
-      if (next_search >= num_peers &&
-          GNUNET_SCHEDULER_NO_TASK == search_timeout_task)
-      {
-        GNUNET_log (GNUNET_ERROR_TYPE_INFO, "All daemons started.\n");
-        /* FIXME start GLOBAL timeout to abort experiment */
-        search_timeout_task = GNUNET_SCHEDULER_add_delayed (search_timeout_time,
-                                                            &search_timeout,
-                                                            NULL);
-      }
-      break;
-
-    default:
-      GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "ARM returned %d\n", result);
-      GNUNET_abort ();
+    GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+                "Deamon %u started successfully\n", peer->id);
   }
-}
 
-/**
- * ARM connect callback. Called when we are connected to the arm service for
- * the peer in 'cls'. If successfull we start the regex deamon to start
- * announcing the regex of this peer.
- *
- * @param cls internal peer id.
- * @param op operation handle.
- * @param ca_result connect adapter result.
- * @param emsg error message.
- */
-static void
-arm_connect_cb (void *cls, struct GNUNET_TESTBED_Operation *op,
-                void *ca_result, const char *emsg)
-{
-  struct RegexPeer *peer = (struct RegexPeer *) cls;
-
-  if (NULL != emsg || NULL == op || NULL == ca_result)
+  /* Find a peer to look for a string matching the regex announced */
+  search_peer = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK,
+                                          num_peers);
+  for (i = 0; peers[search_peer].search_str != NULL; i++)
   {
-    GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "ARM connect failed: %s\n", emsg);
-    GNUNET_abort ();
+    search_peer = (search_peer + 1) % num_peers;
+    if (i > num_peers)
+      GNUNET_assert (0); /* we ran out of peers, must be a bug */
   }
-
-  GNUNET_assert (NULL != peer->arm_handle);
-  GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "[]%p - ()%p\n", peer->op_handle, op);
-  GNUNET_assert (peer->op_handle == op);
-  GNUNET_assert (peer->arm_handle == ca_result);
-
-  GNUNET_ARM_request_service_start (ca_result, "regexprofiler",
-                                    GNUNET_OS_INHERIT_STD_NONE,
-                                    GNUNET_TIME_UNIT_FOREVER_REL,
-                                    arm_start_cb, cls);
+  peers[search_peer].search_str = search_strings[peer->id];
+  peers[search_peer].search_str_matched = GNUNET_NO;
+  GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_saturating_multiply(
+                                  reannounce_period_max,
+                                  2),
+                                &find_string,
+                                (void *) search_peer);
 }
 
 
@@ -1171,13 +964,15 @@ arm_connect_cb (void *cls, struct GNUNET_TESTBED_Operation *op,
  * @param tc the task context
  */
 static void
-do_announce (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+do_announce (void *cls)
 {
   unsigned int i;
 
-  GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Starting announce.\n");
-
-  for (i = 0; i < SEARCHES_IN_PARALLEL; i++)
+  if (GNUNET_YES == in_shutdown)
+    return;
+  GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+             "Starting announce.\n");
+  for (i = 0; i < init_parallel_searches; i++)
   {
     GNUNET_log (GNUNET_ERROR_TYPE_INFO,
                 "  scheduling announce %u\n",
@@ -1191,31 +986,43 @@ do_announce (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
  * Start announcing the next regex in the DHT.
  *
  * @param cls Closure (unused).
- * @param tc TaskContext.
  */
 static void
-announce_next_regex (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+announce_next_regex (void *cls)
 {
-  if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN) ||
-            next_search >= num_peers)
+  struct RegexPeer *peer;
+
+  if (GNUNET_YES == in_shutdown)
     return;
+  if (next_search >= num_peers)
+  {
+    if (strings_found != num_peers)
+    {
+      struct GNUNET_TIME_Relative new_delay;
+      if (NULL != search_timeout_task)
+        GNUNET_SCHEDULER_cancel (search_timeout_task);
+      new_delay = GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MINUTES, 15);
+      search_timeout_task = GNUNET_SCHEDULER_add_delayed (new_delay,
+                                                          &search_timed_out,
+                                                          NULL);
+    }
+    return;
+  }
 
-  /* First connect to arm service, then announce. Next
-   * a nnounce will be in arm_connect_cb */
   GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Starting daemon %u\n", next_search);
-  peers[next_search].op_handle =
-    GNUNET_TESTBED_service_connect (NULL,
-                                    peers[next_search].peer_handle,
-                                    "arm",
-                                    &arm_connect_cb,
-                                    &peers[next_search],
-                                    &arm_ca,
-                                    &arm_da,
-                                    &peers[next_search]);
+  peer = &peers[next_search];
+  peer->daemon_op =
+  GNUNET_TESTBED_peer_manage_service (NULL,
+                                      peer->peer_handle,
+                                      "regexprofiler",
+                                      &daemon_started,
+                                      peer,
+                                      1);
   next_search++;
   parallel_searches++;
 }
 
+
 /**
  * DHT connect callback. Called when we are connected to the dht service for
  * the peer in 'cls'. If successfull we connect to the stats service of this
@@ -1227,15 +1034,17 @@ announce_next_regex (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
  * @param emsg error message.
  */
 static void
-dht_connect_cb (void *cls, struct GNUNET_TESTBED_Operation *op,
-                void *ca_result, const char *emsg)
+dht_connect_cb (void *cls,
+               struct GNUNET_TESTBED_Operation *op,
+                void *ca_result,
+               const char *emsg)
 {
   struct RegexPeer *peer = (struct RegexPeer *) cls;
 
   if (NULL != emsg || NULL == op || NULL == ca_result)
   {
     GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "DHT connect failed: %s\n", emsg);
-    GNUNET_abort ();
+    GNUNET_assert (0);
   }
 
   GNUNET_assert (NULL != peer->dht_handle);
@@ -1243,7 +1052,7 @@ dht_connect_cb (void *cls, struct GNUNET_TESTBED_Operation *op,
   GNUNET_assert (peer->dht_handle == ca_result);
 
   peer->search_str_matched = GNUNET_NO;
-  peer->search_handle = GNUNET_REGEX_search (peer->dht_handle,
+  peer->search_handle = REGEX_INTERNAL_search (peer->dht_handle,
                                              peer->search_str,
                                              &regex_found_handler, peer,
                                              NULL);
@@ -1285,7 +1094,7 @@ dht_da (void *cls, void *op_result)
 
   if (NULL != peer->search_handle)
   {
-    GNUNET_REGEX_search_cancel (peer->search_handle);
+    REGEX_INTERNAL_search_cancel (peer->search_handle);
     peer->search_handle = NULL;
   }
 
@@ -1297,526 +1106,182 @@ dht_da (void *cls, void *op_result)
 }
 
 
-/******************************************************************************/
-/***************************  TESTBED PEER SETUP  *****************************/
-/******************************************************************************/
-
-
 /**
- * Configure the peer overlay topology.
+ * Signature of a main function for a testcase.
  *
  * @param cls NULL
- * @param tc the task context
+ * @param h the run handle
+ * @param num_peers_ number of peers in 'peers'
+ * @param testbed_peers handle to peers run in the testbed.  NULL upon timeout (see
+ *          GNUNET_TESTBED_test_run()).
+ * @param links_succeeded the number of overlay link connection attempts that
+ *          succeeded
+ * @param links_failed the number of overlay link connection attempts that
+ *          failed
  */
 static void
-do_configure_topology (void *cls,
-                       const struct GNUNET_SCHEDULER_TaskContext * tc)
+test_master (void *cls,
+             struct GNUNET_TESTBED_RunHandle *h,
+             unsigned int num_peers_,
+             struct GNUNET_TESTBED_Peer **testbed_peers,
+             unsigned int links_succeeded,
+             unsigned int links_failed)
 {
-  /*
-    if (0 == linking_factor)
-    linking_factor = 1;
-    num_links = linking_factor * num_peers;
-  */
-  /* num_links = num_peers - 1; */
-  num_links = linking_factor;
-
-  /* Do overlay connect */
-  prof_start_time = GNUNET_TIME_absolute_get ();
-  topology_op =
-    GNUNET_TESTBED_overlay_configure_topology (NULL, num_peers, peer_handles,
-                                               NULL,
-                                               NULL,
-                                               NULL,
-                                               GNUNET_TESTBED_TOPOLOGY_ERDOS_RENYI,
-                                               num_links,
-                                               GNUNET_TESTBED_TOPOLOGY_RETRY_CNT,
-                                               (unsigned int) 0,
-                                               GNUNET_TESTBED_TOPOLOGY_OPTION_END);
-  if (NULL == topology_op)
-  {
-    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
-                "Cannot create topology, op handle was NULL\n");
-    GNUNET_assert (0);
-  }
-}
+  unsigned int i;
 
+  GNUNET_assert (num_peers_ == num_peers);
 
-/**
- * Functions of this signature are called when a peer has been successfully
- * started or stopped.
- *
- * @param cls the closure from GNUNET_TESTBED_peer_start/stop()
- * @param emsg NULL on success; otherwise an error description
- */
-static void
-peer_churn_cb (void *cls, const char *emsg)
-{
-  struct DLLOperation *dll_op = cls;
-  struct GNUNET_TESTBED_Operation *op;
-  static unsigned int started_peers;
-  unsigned int peer_cnt;
+  prof_time = GNUNET_TIME_absolute_get_duration (prof_start_time);
+  GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+              "Testbed started in %s\n",
+              GNUNET_STRINGS_relative_time_to_string (prof_time, GNUNET_NO));
 
-  op = dll_op->op;
-  GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
-  GNUNET_free (dll_op);
-  if (NULL != emsg)
-  {
-    GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
-         _("An operation has failed while starting peers: %s\n"), emsg);
-    GNUNET_TESTBED_operation_done (op);
-    if (GNUNET_SCHEDULER_NO_TASK != abort_task)
-      GNUNET_SCHEDULER_cancel (abort_task);
-    abort_task = GNUNET_SCHEDULER_add_now (&do_abort, (void*) __LINE__);
-    return;
-  }
-  GNUNET_TESTBED_operation_done (op);
-  if (++started_peers == num_peers)
+  if (NULL != abort_task)
   {
-    prof_time = GNUNET_TIME_absolute_get_duration (prof_start_time);
-    GNUNET_log (GNUNET_ERROR_TYPE_INFO, 
-                "All peers started successfully in %s\n",
-                GNUNET_STRINGS_relative_time_to_string (prof_time, GNUNET_NO));
-    result = GNUNET_OK;
-
-    peer_handles = GNUNET_malloc (sizeof (struct GNUNET_TESTBED_Peer *) * num_peers);
-    for (peer_cnt = 0; peer_cnt < num_peers; peer_cnt++)
-      peer_handles[peer_cnt] = peers[peer_cnt].peer_handle;
-
-    state = STATE_PEERS_LINKING;
-    GNUNET_SCHEDULER_add_now (&do_configure_topology, NULL);
+    GNUNET_SCHEDULER_cancel (abort_task);
+    abort_task = NULL;
   }
-}
 
-
-/**
- * Functions of this signature are called when a peer has been successfully
- * created
- *
- * @param cls the closure from GNUNET_TESTBED_peer_create()
- * @param peer the handle for the created peer; NULL on any error during
- *          creation
- * @param emsg NULL if peer is not NULL; else MAY contain the error description
- */
-static void
-peer_create_cb (void *cls, struct GNUNET_TESTBED_Peer *peer, const char *emsg)
-{
-  struct DLLOperation *dll_op = cls;
-  struct RegexPeer *peer_ptr;
-  static unsigned int created_peers;
-  unsigned int peer_cnt;
-
-  if (NULL != emsg)
+  for (i = 0; i < num_peers; i++)
   {
-    GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
-         _("Creating a peer failed. Error: %s\n"), emsg);
-    GNUNET_TESTBED_operation_done (dll_op->op);
-    GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
-    GNUNET_free (dll_op);
-    if (GNUNET_SCHEDULER_NO_TASK != abort_task)
-      GNUNET_SCHEDULER_cancel (abort_task);
-    abort_task = GNUNET_SCHEDULER_add_now (&do_abort, (void*) __LINE__);
-    return;
+    peers[i].peer_handle = testbed_peers[i];
   }
-
-  peer_ptr = dll_op->cls;
-  GNUNET_assert (NULL == peer_ptr->peer_handle);
-  GNUNET_CONFIGURATION_destroy (peer_ptr->cfg);
-  peer_ptr->cfg = NULL;
-  peer_ptr->peer_handle = peer;
-  GNUNET_TESTBED_operation_done (dll_op->op);
-  GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
-  GNUNET_free (dll_op);
-
-  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Peer %i created on host %s\n",
-              peer_ptr->id,
-              GNUNET_TESTBED_host_get_hostname (peer_ptr->host_handle));
-
-  if (++created_peers == num_peers)
+  if (GNUNET_NO ==
+      GNUNET_CONFIGURATION_get_value_yesno (cfg, "DHT", "DISABLE_TRY_CONNECT"))
   {
-    prof_time = GNUNET_TIME_absolute_get_duration (prof_start_time);
+    struct GNUNET_TIME_Relative settle_time;
+
+    settle_time =
+      GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MILLISECONDS,
+                                     10 * num_peers);
     GNUNET_log (GNUNET_ERROR_TYPE_INFO,
-                "All peers created successfully in %s\n",
-                GNUNET_STRINGS_relative_time_to_string (prof_time, GNUNET_NO));
-    /* Now peers are to be started */
-    state = STATE_PEERS_STARTING;
-    prof_start_time = GNUNET_TIME_absolute_get ();
-    for (peer_cnt = 0; peer_cnt < num_peers; peer_cnt++)
-    {
-      dll_op = GNUNET_malloc (sizeof (struct DLLOperation));
-      dll_op->op = GNUNET_TESTBED_peer_start (dll_op,
-                                              peers[peer_cnt].peer_handle,
-                                              &peer_churn_cb, dll_op);
-      GNUNET_CONTAINER_DLL_insert_tail (dll_op_head, dll_op_tail, dll_op);
-    }
+                "Waiting for DHT for %s to settle new connections.\n\n",
+                GNUNET_STRINGS_relative_time_to_string(settle_time, GNUNET_NO));
+    GNUNET_SCHEDULER_add_delayed (settle_time, &do_announce, NULL);
   }
+  else
+  {
+    GNUNET_SCHEDULER_add_now (&do_announce, NULL);
+  }
+  search_timeout_task =
+      GNUNET_SCHEDULER_add_delayed (search_timeout_time, &search_timed_out, NULL);
 }
 
-
-/**
- * Function called with a filename for each file in the policy directory. Create
- * a peer for each filename and update the peer's configuration to include the
- * max_path_compression specified as a command line argument as well as the
- * policy_file for this peer. The gnunet-service-regexprofiler service is
- * automatically started on this peer. The service reads the configurration and
- * announces the regexes stored in the policy file 'filename'.
- *
- * @param cls closure
- * @param filename complete filename (absolute path)
- * @return GNUNET_OK to continue to iterate,
- *  GNUNET_SYSERR to abort iteration with error!
- */
-static int
-policy_filename_cb (void *cls, const char *filename)
-{
-  static unsigned int peer_cnt;
-  struct DLLOperation *dll_op;
-  struct RegexPeer *peer = &peers[peer_cnt];
-
-  GNUNET_assert (NULL != peer);
-
-  peer->policy_file = GNUNET_strdup (filename);
-
-  GNUNET_log (GNUNET_ERROR_TYPE_INFO,
-              "Creating peer %i on host %s for policy file %s\n",
-              peer->id, GNUNET_TESTBED_host_get_hostname (peer->host_handle),
-              filename);
-
-  /* Set configuration options specific for this peer
-     (max_path_compression and policy_file */
-  peer->cfg = GNUNET_CONFIGURATION_dup (cfg);
-  GNUNET_CONFIGURATION_set_value_number (peer->cfg, "REGEXPROFILER",
-                                         "MAX_PATH_COMPRESSION",
-                                         (unsigned long long)
-                                         max_path_compression);
-  GNUNET_CONFIGURATION_set_value_string (peer->cfg, "REGEXPROFILER",
-                                         "POLICY_FILE", filename);
-
-  dll_op = GNUNET_malloc (sizeof (struct DLLOperation));
-  dll_op->cls = &peers[peer_cnt];
-  dll_op->op = GNUNET_TESTBED_peer_create (mc,
-                                           peer->host_handle,
-                                           peer->cfg,
-                                           &peer_create_cb,
-                                           dll_op);
-  GNUNET_CONTAINER_DLL_insert_tail (dll_op_head, dll_op_tail, dll_op);
-
-  peer_cnt++;
-
-  return GNUNET_OK;
-}
-
-
 /**
- * Controller event callback.
+ * Function that will be called whenever something in the testbed changes.
  *
- * @param cls NULL
- * @param event the controller event
+ * @param cls closure, NULL
+ * @param event information on what is happening
  */
 static void
-controller_event_cb (void *cls,
-                     const struct GNUNET_TESTBED_EventInformation *event)
+master_controller_cb (void *cls,
+                      const struct GNUNET_TESTBED_EventInformation *event)
 {
-  struct DLLOperation *dll_op;
-  struct GNUNET_TESTBED_Operation *op;
-  int ret;
-
-  switch (state)
+  switch (event->type)
   {
-  case STATE_SLAVES_STARTING:
-    switch (event->type)
-    {
-    case GNUNET_TESTBED_ET_OPERATION_FINISHED:
-      {
-        static unsigned int slaves_started;
-        unsigned int peer_cnt;
-
-        dll_op = event->op_cls;
-        GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
-        GNUNET_free (dll_op);
-        op = event->op;
-        if (NULL != event->details.operation_finished.emsg)
-        {
-          GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
-               _("An operation has failed while starting slaves\n"));
-          GNUNET_TESTBED_operation_done (op);
-          if (GNUNET_SCHEDULER_NO_TASK != abort_task)
-            GNUNET_SCHEDULER_cancel (abort_task);
-          abort_task = GNUNET_SCHEDULER_add_now (&do_abort, (void*) __LINE__);
-          return;
-        }
-        GNUNET_TESTBED_operation_done (op);
-        /* Proceed to start peers */
-        if (++slaves_started == num_hosts - 1)
-        {
-          GNUNET_log (GNUNET_ERROR_TYPE_INFO,
-                      "All slaves started successfully\n");
-
-          state = STATE_PEERS_CREATING;
-          prof_start_time = GNUNET_TIME_absolute_get ();
-
-          if (-1 == (ret = GNUNET_DISK_directory_scan (policy_dir,
-                                                       NULL,
-                                                       NULL)))
-          {
-            GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
-                        _("No files found in `%s'\n"),
-                        policy_dir);
-            GNUNET_SCHEDULER_shutdown ();
-            return;
-          }
-          num_peers = (unsigned int) ret;
-          peers = GNUNET_malloc (sizeof (struct RegexPeer) * num_peers);
-
-          /* Initialize peers */
-          for (peer_cnt = 0; peer_cnt < num_peers; peer_cnt++)
-          {
-            struct RegexPeer *peer = &peers[peer_cnt];
-            peer->id = peer_cnt;
-            peer->policy_file = NULL;
-            /* Do not start peers on hosts[0] (master controller) */
-            peer->host_handle = hosts[1 + (peer_cnt % (num_hosts -1))];
-            peer->dht_handle = NULL;
-            peer->search_handle = NULL;
-            peer->stats_handle = NULL;
-            peer->stats_op_handle = NULL;
-            peer->search_str = NULL;
-            peer->search_str_matched = GNUNET_NO;
-          }
-
-          GNUNET_DISK_directory_scan (policy_dir,
-                                      &policy_filename_cb,
-                                      NULL);
-        }
-      }
-      break;
-    default:
-      GNUNET_assert (0);
-    }
+  case GNUNET_TESTBED_ET_CONNECT:
+    printf(".");
     break;
-  case STATE_PEERS_STARTING:
-    switch (event->type)
-    {
-    case GNUNET_TESTBED_ET_OPERATION_FINISHED:
-      /* Control reaches here when peer start fails */
-    case GNUNET_TESTBED_ET_PEER_START:
-      /* we handle peer starts in peer_churn_cb */
-      break;
-    default:
-      GNUNET_assert (0);
-    }
-    break;
-  case STATE_PEERS_LINKING:
-   switch (event->type)
-   {
-     static unsigned int established_links;
-   case GNUNET_TESTBED_ET_OPERATION_FINISHED:
-     /* Control reaches here when a peer linking operation fails */
-     if (NULL != event->details.operation_finished.emsg)
-     {
-       GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                   _("An operation has failed while linking\n"));
-       printf ("F%u/%u(%s)",
-               retry_links + 1, established_links + 1, 
-               event->details.operation_finished.emsg);
-       fflush (stdout);
-       retry_links++;
-     }
-     /* We do no retries, consider this link as established */
-     /* break; */
-   case GNUNET_TESTBED_ET_CONNECT:
-   {
-     char output_buffer[1024];
-     size_t size;
-
-     if (0 == established_links)
-       GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Establishing links .");
-     else
-     {
-       printf (".");fflush (stdout);
-     }
-     if (++established_links == num_links)
-     {
-       prof_time = GNUNET_TIME_absolute_get_duration (prof_start_time);
-       GNUNET_log (GNUNET_ERROR_TYPE_INFO,
-                   "%u links established in %s\n",
-                   num_links,
-                   GNUNET_STRINGS_relative_time_to_string (prof_time,
-                                                           GNUNET_NO));
-       prof_time = GNUNET_TIME_relative_divide(prof_time, num_links);
-       GNUNET_log (GNUNET_ERROR_TYPE_INFO,
-                   "Average of %s per connection\n",
-                   GNUNET_STRINGS_relative_time_to_string (prof_time,
-                                                           GNUNET_NO));
-       result = GNUNET_OK;
-       GNUNET_free (peer_handles);
-
-       if (NULL != data_file)
-       {
-         size =
-           GNUNET_snprintf (output_buffer,
-                            sizeof (output_buffer),
-                            "# of peers: %u\n# of links established: %u\n"
-                            "Time to establish links: %s\n"
-                            "Linking failures: %u\n"
-                            "path compression length: %u\n"
-                            "# of search strings: %u\n",
-                            num_peers,
-                            (established_links - retry_links),
-                            GNUNET_STRINGS_relative_time_to_string (prof_time,
-                                                                    GNUNET_NO),
-                            retry_links,
-                            max_path_compression,
-                            num_search_strings);
-
-         if (size != GNUNET_DISK_file_write (data_file, output_buffer, size))
-           GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Unable to write to file!\n");
-       }
-
-       GNUNET_log (GNUNET_ERROR_TYPE_INFO,
-                   "\nWaiting %s before starting to announce.\n",
-                   GNUNET_STRINGS_relative_time_to_string (search_delay,
-                                                           GNUNET_NO));
-       state = STATE_SEARCH_REGEX;
-       search_task = GNUNET_SCHEDULER_add_delayed (search_delay,
-                                                   &do_announce, NULL);
-     }
-   }
-   break;
-   default:
-     GNUNET_assert (0);
-   }
-   break;
-  case STATE_SEARCH_REGEX:
-  {
-    /* Handled in service connect callback */
+  case GNUNET_TESTBED_ET_PEER_START:
+    printf("#");
     break;
-  }
   default:
-    switch (state)
-    {
-    case STATE_PEERS_CREATING:
-      GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to create peer\n");
-      break;
-    default:
-      GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
-                  "Unexpected controller_cb with state %i!\n", state);
-    }
-    GNUNET_assert (0);
+    break;
   }
+  fflush(stdout);
 }
 
 
-/**
- * Task to register all hosts available in the global host list.
- *
- * @param cls NULL
- * @param tc the scheduler task context
- */
-static void
-register_hosts (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
-
+/******************************************************************************/
+/***************************  TESTBED PEER SETUP  *****************************/
+/******************************************************************************/
 
 /**
- * Callback which will be called to after a host registration succeeded or failed
+ * Process the text buffer counting the non-empty lines and separating them
+ * with NULL characters, for later ease of copy using (as)printf.
  *
- * @param cls the closure
- * @param emsg the error message; NULL if host registration is successful
+ * @param data Memory buffer with strings.
+ * @param data_size Size of the @a data buffer in bytes.
+ * @param str_max Maximum number of strings to return.
+ * @return Positive number of lines found in the buffer,
+ *         #GNUNET_SYSERR otherwise.
  */
-static void
-host_registration_completion (void *cls, const char *emsg)
+static int
+count_and_separate_strings (char *data,
+                            uint64_t data_size,
+                            unsigned int str_max)
 {
-  reg_handle = NULL;
-  if (NULL != emsg)
+  char *buf;            // Keep track of last string to skip blank lines
+  unsigned int offset;
+  unsigned int str_cnt;
+
+  buf = data;
+  offset = 0;
+  str_cnt = 0;
+  while ( (offset < (data_size - 1)) && (str_cnt < str_max) )
   {
-    GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
-                _("Host registration failed for a host. Error: %s\n"), emsg);
-    if (GNUNET_SCHEDULER_NO_TASK != abort_task)
-      GNUNET_SCHEDULER_cancel (abort_task);
-    abort_task = GNUNET_SCHEDULER_add_now (&do_abort, (void*) __LINE__);
-    return;
+    offset++;
+    if ( ((data[offset] == '\n')) &&
+         (buf != &data[offset]) )
+    {
+      data[offset] = '\0';
+      str_cnt++;
+      buf = &data[offset + 1];
+    }
+    else if ( (data[offset] == '\n') ||
+              (data[offset] == '\0') )
+      buf = &data[offset + 1];
   }
-  register_hosts_task = GNUNET_SCHEDULER_add_now (&register_hosts, NULL);
+  return str_cnt;
 }
 
 
 /**
- * Task to register all hosts available in the global host list.
+ * Allocate a string array and fill it with the prefixed strings
+ * from a pre-processed, NULL-separated memory region.
  *
- * @param cls NULL
- * @param tc the scheduler task context
+ * @param data Preprocessed memory with strings
+ * @param data_size Size of the @a data buffer in bytes.
+ * @param strings Address of the string array to be created.
+ *                Must be freed by caller if function end in success.
+ * @param str_cnt String count. The @a data buffer should contain
+ *                at least this many NULL-separated strings.
+ * @return #GNUNET_OK in ase of success, #GNUNET_SYSERR otherwise.
+ *         In case of error @a strings must not be freed.
  */
-static void
-register_hosts (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+static int
+create_string_array (char *data, uint64_t data_size,
+                     char ***strings, unsigned int str_cnt)
 {
-  struct DLLOperation *dll_op;
-  static unsigned int reg_host;
-  unsigned int slave;
+  uint64_t offset;
+  uint64_t len;
+  unsigned int i;
 
-  register_hosts_task = GNUNET_SCHEDULER_NO_TASK;
-  if (reg_host == num_hosts - 1)
+  *strings = GNUNET_malloc (sizeof (char *) * str_cnt);
+  offset = 0;
+  for (i = 0; i < str_cnt; i++)
   {
-    GNUNET_log (GNUNET_ERROR_TYPE_INFO,
-                "All hosts successfully registered\n");
-    /* Start slaves */
-    state = STATE_SLAVES_STARTING;
-    for (slave = 1; slave < num_hosts; slave++)
+    len = strlen (&data[offset]);
+    if (offset + len >= data_size)
     {
-      dll_op = GNUNET_malloc (sizeof (struct DLLOperation));
-      dll_op->op = GNUNET_TESTBED_controller_link (dll_op,
-                                                   mc,
-                                                   hosts[slave],
-                                                   hosts[0],
-                                                   cfg,
-                                                   GNUNET_YES);
-      GNUNET_CONTAINER_DLL_insert_tail (dll_op_head, dll_op_tail, dll_op);
+      GNUNET_free (*strings);
+      *strings = NULL;
+      return GNUNET_SYSERR;
+    }
+    if (0 == len) // empty line
+    {
+      offset++;
+      i--;
+      continue;
     }
-    return;
-  }
-  reg_handle = GNUNET_TESTBED_register_host (mc, hosts[++reg_host],
-                                             host_registration_completion,
-                                             NULL);
-}
-
 
-/**
- * Callback to signal successfull startup of the controller process.
- *
- * @param cls the closure from GNUNET_TESTBED_controller_start()
- * @param config the configuration with which the controller has been started;
- *          NULL if status is not GNUNET_OK
- * @param status GNUNET_OK if the startup is successfull; GNUNET_SYSERR if not,
- *          GNUNET_TESTBED_controller_stop() shouldn't be called in this case
- */
-static void
-status_cb (void *cls, const struct GNUNET_CONFIGURATION_Handle *config, int status)
-{
-  if (GNUNET_SCHEDULER_NO_TASK != abort_task)
-    GNUNET_SCHEDULER_cancel (abort_task);
-  if (GNUNET_OK != status)
-  {
-    mc_proc = NULL;
-    GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Oh, dear!\n");
-    abort_task = GNUNET_SCHEDULER_add_now (&do_abort, (void*) __LINE__);
-    return;
-  }
-  event_mask = 0;
-  event_mask |= (1LL << GNUNET_TESTBED_ET_PEER_START);
-  event_mask |= (1LL << GNUNET_TESTBED_ET_PEER_STOP);
-  event_mask |= (1LL << GNUNET_TESTBED_ET_CONNECT);
-  event_mask |= (1LL << GNUNET_TESTBED_ET_DISCONNECT);
-  event_mask |= (1LL << GNUNET_TESTBED_ET_OPERATION_FINISHED);
-  mc = GNUNET_TESTBED_controller_connect (config, hosts[0], event_mask,
-                                          &controller_event_cb, NULL);
-  if (NULL == mc)
-  {
-    GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
-                _("Unable to connect to master controller -- Check config\n"));
-    abort_task = GNUNET_SCHEDULER_add_now (&do_abort, (void*) __LINE__);
-    return;
+    GNUNET_asprintf (&(*strings)[i],
+                     "%s%s",
+                     regex_prefix,
+                     &data[offset]);
+    offset += len + 1;
   }
-  register_hosts_task = GNUNET_SCHEDULER_add_now (&register_hosts, NULL);
-  abort_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL,
-                                             &do_abort, (void*) __LINE__);
+  return GNUNET_OK;
 }
 
 
@@ -1827,117 +1292,71 @@ status_cb (void *cls, const struct GNUNET_CONFIGURATION_Handle *config, int stat
  * @param strings set of strings loaded from file. Caller needs to free this
  *                if number returned is greater than zero.
  * @param limit upper limit on the number of strings read from the file
- * @return number of strings found in the file. GNUNET_SYSERR on error.
+ * @return number of strings found in the file. #GNUNET_SYSERR on error.
  */
 static int
-load_search_strings (const char *filename, char ***strings, unsigned int limit)
+load_search_strings (const char *filename,
+                    char ***strings,
+                    unsigned int limit)
 {
   char *data;
-  char *buf;
   uint64_t filesize;
-  unsigned int offset;
   int str_cnt;
-  unsigned int i;
 
+  /* Sanity checks */
   if (NULL == filename)
   {
     return GNUNET_SYSERR;
   }
-
   if (GNUNET_YES != GNUNET_DISK_file_test (filename))
   {
     GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
                 "Could not find search strings file %s\n", filename);
     return GNUNET_SYSERR;
   }
-  if (GNUNET_OK != GNUNET_DISK_file_size (filename, &filesize, GNUNET_YES, GNUNET_YES))
-    filesize = 0;
+  if (GNUNET_OK !=
+      GNUNET_DISK_file_size (filename,
+                             &filesize,
+                             GNUNET_YES,
+                             GNUNET_YES))
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+                "Search strings file %s cannot be read.\n",
+                filename);
+    return GNUNET_SYSERR;
+  }
   if (0 == filesize)
   {
-    GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Search strings file %s is empty.\n", filename);
+    GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+                "Search strings file %s is empty.\n",
+                filename);
     return GNUNET_SYSERR;
   }
-  data = GNUNET_malloc (filesize);
-  if (filesize != GNUNET_DISK_fn_read (filename, data, filesize))
+
+  /* Read data into memory */
+  data = GNUNET_malloc (filesize + 1);
+  if (filesize != GNUNET_DISK_fn_read (filename,
+                                       data,
+                                       filesize))
   {
     GNUNET_free (data);
-    GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Could not read search strings file %s.\n",
+    GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+                "Could not read search strings file %s.\n",
          filename);
     return GNUNET_SYSERR;
   }
-  buf = data;
-  offset = 0;
-  str_cnt = 0;
-  while (offset < (filesize - 1) && str_cnt < limit)
-  {
-    offset++;
-    if (((data[offset] == '\n')) && (buf != &data[offset]))
-    {
-      data[offset] = '\0';
-      str_cnt++;
-      buf = &data[offset + 1];
-    }
-    else if ((data[offset] == '\n') || (data[offset] == '\0'))
-      buf = &data[offset + 1];
-  }
-  *strings = GNUNET_malloc (sizeof (char *) * str_cnt);
-  offset = 0;
-  for (i = 0; i < str_cnt; i++)
+
+  /* Process buffer and build array */
+  str_cnt = count_and_separate_strings (data, filesize, limit);
+  if (GNUNET_OK != create_string_array (data, filesize, strings, str_cnt))
   {
-    GNUNET_asprintf (&(*strings)[i], "%s%s", regex_prefix, &data[offset]);
-    offset += strlen (&data[offset]) + 1;
+    str_cnt = GNUNET_SYSERR;
   }
   GNUNET_free (data);
   return str_cnt;
 }
 
 
-/**
- * Callbacks of this type are called by GNUNET_TESTBED_is_host_habitable to
- * inform whether the given host is habitable or not. The Handle returned by
- * GNUNET_TESTBED_is_host_habitable() is invalid after this callback is called
- *
- * @param cls NULL
- * @param host the host whose status is being reported; will be NULL if the host
- *          given to GNUNET_TESTBED_is_host_habitable() is NULL
- * @param status GNUNET_YES if it is habitable; GNUNET_NO if not
- */
-static void 
-host_habitable_cb (void *cls, const struct GNUNET_TESTBED_Host *host, int status)
-{
-  struct GNUNET_TESTBED_HostHabitableCheckHandle **hc_handle = cls;
-  static unsigned int hosts_checked;
-
-  *hc_handle = NULL;
-  if (GNUNET_NO == status)
-  {
-    if ((NULL != host) && (NULL != GNUNET_TESTBED_host_get_hostname (host)))
-      GNUNET_log (GNUNET_ERROR_TYPE_ERROR, _("Host %s cannot start testbed\n"),
-                  GNUNET_TESTBED_host_get_hostname (host));
-    else
-      GNUNET_log (GNUNET_ERROR_TYPE_ERROR, _("Testbed cannot be started on localhost\n"));
-    GNUNET_SCHEDULER_cancel (abort_task);
-    abort_task = GNUNET_SCHEDULER_add_now (&do_abort, (void*) __LINE__);
-    return;
-  }
-  hosts_checked++;
-  /* printf (_("\rChecked %u hosts"), hosts_checked); */
-  /* fflush (stdout); */
-  if (hosts_checked < num_hosts)
-    return;
-  /* printf (_("\nAll hosts can start testbed. Creating peers\n")); */
-  GNUNET_free (hc_handles);
-  hc_handles = NULL;
-  mc_proc = 
-      GNUNET_TESTBED_controller_start (GNUNET_TESTBED_host_get_hostname
-                                       (hosts[0]),
-                                       hosts[0],
-                                       cfg,
-                                       status_cb,
-                                       NULL);
-}
-
-
 /**
  * Main function that will be run by the scheduler.
  *
@@ -1947,79 +1366,114 @@ host_habitable_cb (void *cls, const struct GNUNET_TESTBED_Host *host, int status
  * @param config configuration
  */
 static void
-run (void *cls, char *const *args, const char *cfgfile,
+run (void *cls,
+     char *const *args,
+     const char *cfgfile,
      const struct GNUNET_CONFIGURATION_Handle *config)
 {
-  unsigned int nhost;
   unsigned int nsearchstrs;
+  unsigned int i;
+  struct GNUNET_TIME_Relative abort_time;
+
+  in_shutdown = GNUNET_NO;
 
-  if (NULL == args[0])
+  /* Check config */
+  if (NULL == config)
   {
     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
-                _("No hosts-file specified on command line. Exiting.\n"));
+                _("No configuration file given. Exiting\n"));
+    GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
+    return;
+  }
+  cfg = GNUNET_CONFIGURATION_dup (config);
+  if (GNUNET_OK !=
+      GNUNET_CONFIGURATION_get_value_string (cfg, "REGEXPROFILER",
+                                             "REGEX_PREFIX",
+                                             &regex_prefix))
+  {
+    GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
+                              "regexprofiler",
+                              "regex_prefix");
+    GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
     return;
   }
-  if (NULL == args[1])
+  if (GNUNET_OK !=
+      GNUNET_CONFIGURATION_get_value_number (cfg, "REGEXPROFILER",
+                                             "PARALLEL_SEARCHES",
+                                             &init_parallel_searches))
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+                "Configuration option \"PARALLEL_SEARCHES\" missing."
+                " Using default (%d)\n", 10);
+    init_parallel_searches = 10;
+  }
+  if (GNUNET_OK !=
+      GNUNET_CONFIGURATION_get_value_time (cfg, "REGEXPROFILER",
+                                           "REANNOUNCE_PERIOD_MAX",
+                                           &reannounce_period_max))
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+                "reannounce_period_max not given. Using 10 minutes.\n");
+    reannounce_period_max =
+      GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MINUTES, 10);
+  }
+
+  /* Check arguments */
+  if (NULL == policy_dir)
   {
     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
                 _("No policy directory specified on command line. Exiting.\n"));
     return;
   }
-  num_hosts = GNUNET_TESTBED_hosts_load_from_file (args[0], config, &hosts);
-  if (0 == num_hosts)
+  if (GNUNET_YES != GNUNET_DISK_directory_test (policy_dir, GNUNET_YES))
   {
     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
-                _("No hosts loaded. Need at least one host\n"));
+                _("Specified policies directory does not exist. Exiting.\n"));
+    GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
     return;
   }
-  GNUNET_log (GNUNET_ERROR_TYPE_INFO, 
-              _("Checking whether given hosts can start testbed."
-                "Please wait\n"));
-  hc_handles = GNUNET_malloc (sizeof (struct
-                                      GNUNET_TESTBED_HostHabitableCheckHandle *) 
-                              * num_hosts);
-  for (nhost = 0; nhost < num_hosts; nhost++)
+  if (0 >= (int) (num_peers = GNUNET_DISK_directory_scan (policy_dir, NULL, NULL)))
   {
-    hc_handles[nhost] = GNUNET_TESTBED_is_host_habitable (hosts[nhost], config,
-                                                          &host_habitable_cb,
-                                                          &hc_handles[nhost]);
-    if (NULL == hc_handles[nhost])
-    {
-      int i;
-
-      GNUNET_break (0);
-      for (i = 0; i <= nhost; i++)
-        if (NULL != hc_handles[i])
-          GNUNET_TESTBED_is_host_habitable_cancel (hc_handles[i]);
-      GNUNET_free (hc_handles);
-      hc_handles = NULL;
-      break;
-    }
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                _("No files found in `%s'\n"),
+                policy_dir);
+    return;
   }
-  if (num_hosts != nhost)
+  GNUNET_CONFIGURATION_set_value_string (cfg, "REGEXPROFILER",
+                                         "POLICY_DIR", policy_dir);
+  if (GNUNET_YES != GNUNET_DISK_file_test (strings_file))
   {
-    GNUNET_log (GNUNET_ERROR_TYPE_ERROR, _("Exiting\n"));
-    shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                _("No search strings file given. Exiting.\n"));
+    GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
     return;
   }
-  if (NULL == config)
+  nsearchstrs = load_search_strings (strings_file,
+                                     &search_strings,
+                                     num_peers);
+  if (num_peers != nsearchstrs)
   {
     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
-                _("No configuration file given. Exiting\n"));
-    shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
+                "Error loading search strings.\n");
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                "File (%s) does not contain enough strings (%u/%u).\n",
+                strings_file, nsearchstrs, num_peers);
+    GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
     return;
   }
-
-  if (GNUNET_OK !=
-      GNUNET_CONFIGURATION_get_value_string (config, "REGEXPROFILER", "REGEX_PREFIX",
-                                             &regex_prefix))
+  if ( (0 == num_peers) || (NULL == search_strings))
   {
     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
-                _("Configuration option \"regex_prefix\" missing. Exiting\n"));
-    shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
+                _("Error loading search strings. Exiting.\n"));
+    GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
     return;
   }
+  for (i = 0; i < num_peers; i++)
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+                "search string: %s\n",
+                search_strings[i]);
 
+  /* Check logfile */
   if ( (NULL != data_filename) &&
        (NULL == (data_file =
                  GNUNET_DISK_file_open (data_filename,
@@ -2028,59 +1482,58 @@ run (void *cls, char *const *args, const char *cfgfile,
                                         GNUNET_DISK_OPEN_CREATE,
                                         GNUNET_DISK_PERM_USER_READ |
                                         GNUNET_DISK_PERM_USER_WRITE))) )
+  {
     GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_ERROR,
                               "open",
                               data_filename);
-  if (GNUNET_YES != GNUNET_DISK_directory_test (args[1], GNUNET_YES))
-  {
-    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
-                _("Specified policies directory does not exist. Exiting.\n"));
-    shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
     return;
   }
-  policy_dir = args[1];
-  if (GNUNET_YES != GNUNET_DISK_file_test (args[2]))
-  {
-    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
-                _("No search strings file given. Exiting.\n"));
-    shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
-    return;
-  }
-  nsearchstrs = load_search_strings (args[2], &search_strings, num_search_strings);
-  if (num_search_strings != nsearchstrs)
-  {
-    num_search_strings = nsearchstrs;
-    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
-                _("Error loading search strings."
-                  "Given file does not contain enough strings. Exiting.\n"));
-    shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
-    return;
-  }
-  if (0 >= num_search_strings || NULL == search_strings)
-  {
-    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
-                _("Error loading search strings. Exiting.\n"));
-    shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
-    return;
-  }
-  cfg = GNUNET_CONFIGURATION_dup (config);
+
+  /* Initialize peers */
+  peers = GNUNET_malloc (sizeof (struct RegexPeer) * num_peers);
+  for (i = 0; i < num_peers; i++)
+    peers[i].id = i;
+
+  GNUNET_CONFIGURATION_set_value_number (cfg,
+                                         "TESTBED", "OVERLAY_RANDOM_LINKS",
+                                         num_peers * 20);
+  GNUNET_CONFIGURATION_set_value_number (cfg,
+                                         "DHT", "FORCE_NSE",
+                                         (long long unsigned)
+                                         (log (num_peers) / log (2.0)));
+  event_mask = 0LL;
+/* For feedback about the start process activate these and pass master_cb */
+  event_mask |= (1LL << GNUNET_TESTBED_ET_PEER_START);
+//   event_mask |= (1LL << GNUNET_TESTBED_ET_PEER_STOP);
+  event_mask |= (1LL << GNUNET_TESTBED_ET_CONNECT);
+//   event_mask |= (1LL << GNUNET_TESTBED_ET_DISCONNECT);
+  prof_start_time = GNUNET_TIME_absolute_get ();
+  GNUNET_TESTBED_run (hosts_file,
+                      cfg,
+                      num_peers,
+                      event_mask,
+                      &master_controller_cb,
+                      NULL,     /* master_controller_cb cls */
+                      &test_master,
+                      NULL);    /* test_master cls */
   if (GNUNET_OK !=
-      GNUNET_CONFIGURATION_get_value_time (cfg, "REGEXPROFILER",
-                                           "REANNOUNCE_PERIOD_MAX",
-                                           &reannounce_period_max))
+      GNUNET_CONFIGURATION_get_value_time (cfg, "TESTBED",
+                                           "SETUP_TIMEOUT",
+                                           &abort_time))
   {
-    GNUNET_log (GNUNET_ERROR_TYPE_ERROR, 
-                "reannounce_period_max not given. Using 10 minutes.\n");
-    reannounce_period_max =
-      GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MINUTES, 10);
+    GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+                "SETUP_TIMEOUT not given. Using 15 minutes.\n");
+    abort_time =
+      GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MINUTES, 15);
   }
-  unsigned int i;
-  for (i = 0; i < num_search_strings; i++)
-    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "search string: %s\n", search_strings[i]);
+  abort_time = GNUNET_TIME_relative_add (abort_time, GNUNET_TIME_UNIT_MINUTES);
   abort_task =
-      GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
-                                    (GNUNET_TIME_UNIT_SECONDS, 5), &do_abort,
+      GNUNET_SCHEDULER_add_delayed (abort_time,
+                                    &do_abort,
                                     (void*) __LINE__);
+  GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+              "setup_timeout: %s\n",
+              GNUNET_STRINGS_relative_time_to_string (abort_time, GNUNET_YES));
 }
 
 
@@ -2094,40 +1547,51 @@ run (void *cls, char *const *args, const char *cfgfile,
 int
 main (int argc, char *const *argv)
 {
-  static const struct GNUNET_GETOPT_CommandLineOption options[] = {
-    {'d', "details", "FILENAME",
-     gettext_noop ("name of the file for writing statistics"),
-     1, &GNUNET_GETOPT_set_string, &data_filename},
-    {'n', "num-links", "COUNT",
-      gettext_noop ("create COUNT number of random links between peers"),
-      GNUNET_YES, &GNUNET_GETOPT_set_uint, &linking_factor },
-    {'t', "matching-timeout", "TIMEOUT",
-      gettext_noop ("wait TIMEOUT before considering a string match as failed"),
-      GNUNET_YES, &GNUNET_GETOPT_set_relative_time, &search_timeout_time
-        },
-    {'s', "search-delay", "DELAY",
-      gettext_noop ("wait DELAY before starting string search"),
-      GNUNET_YES, &GNUNET_GETOPT_set_relative_time, &search_delay },
-    {'a', "num-search-strings", "COUNT",
-      gettext_noop ("number of search strings to read from search strings file"),
-      GNUNET_YES, &GNUNET_GETOPT_set_uint, &num_search_strings },
-    {'p', "max-path-compression", "MAX_PATH_COMPRESSION",
-     gettext_noop ("maximum path compression length"),
-     1, &GNUNET_GETOPT_set_uint, &max_path_compression},
+  struct GNUNET_GETOPT_CommandLineOption options[] = {
+
+    GNUNET_GETOPT_option_filename ('o',
+                                   "output-file",
+                                   "FILENAME",
+                                   gettext_noop ("name of the file for writing statistics"),
+                                   &data_filename),
+
+    GNUNET_GETOPT_option_relative_time ('t',
+                                            "matching-timeout",
+                                            "TIMEOUT",
+                                            gettext_noop ("wait TIMEOUT before ending the experiment"),
+                                            &search_timeout_time), 
+
+    GNUNET_GETOPT_option_filename ('p',
+                                   "policy-dir",
+                                   "DIRECTORY",
+                                   gettext_noop ("directory with policy files"),
+                                   &policy_dir),
+
+
+    GNUNET_GETOPT_option_filename ('s',
+                                   "strings-file",
+                                   "FILENAME",
+                                   gettext_noop ("name of file with input strings"),
+                                   &strings_file),
+
+    GNUNET_GETOPT_option_filename ('H',
+                                   "hosts-file",
+                                   "FILENAME",
+                                   gettext_noop ("name of file with hosts' names"),
+                                   &hosts_file),
+
     GNUNET_GETOPT_OPTION_END
   };
   int ret;
 
   if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
     return 2;
-
   result = GNUNET_SYSERR;
   ret =
       GNUNET_PROGRAM_run (argc, argv,
-                          "gnunet-regex-profiler [OPTIONS] hosts-file policy-dir search-strings-file",
+                          "gnunet-regex-profiler",
                           _("Profiler for regex"),
                           options, &run, NULL);
-
   if (GNUNET_OK != ret)
     return ret;
   if (GNUNET_OK != result)