removed slave context
[oweals/gnunet.git] / src / testbed / gnunet-service-testbed.c
index a89ae405c7a2a78b7716f48af8bdb7f8d1c32227..6f7e38429e82a79b59dd574d68a17d59cf498685 100644 (file)
 #include "platform.h"
 #include "gnunet_service_lib.h"
 #include "gnunet_server_lib.h"
+#include "gnunet_transport_service.h"
 #include <zlib.h>
 
-#include "testbed.h"
 #include "gnunet_testbed_service.h"
+#include "testbed.h"
+#include "testbed_api.h"
 #include "testbed_api_hosts.h"
+#include "gnunet_testing_lib-new.h"
 
 /**
  * Generic logging
@@ -54,6 +57,16 @@ struct Context
    * The client handle associated with this context
    */
   struct GNUNET_SERVER_Client *client;
+
+  /**
+   * The network address of the master controller
+   */
+  char *master_ip;
+
+  /**
+   * The TESTING system handle for starting peers locally
+   */
+  struct GNUNET_TESTING_System *system;
   
   /**
    * Event mask of event to be responded in this context
@@ -249,6 +262,77 @@ struct LCFContextQueue
 };
 
 
+/**
+ * A locally started peer
+ */
+struct Peer
+{
+  /**
+   * The peer handle from testing API
+   */
+  struct GNUNET_TESTING_Peer *peer;
+
+  /**
+   * The modified (by GNUNET_TESTING_peer_configure) configuration this peer is
+   * configured with
+   */
+  struct GNUNET_CONFIGURATION_Handle *cfg;
+
+  /**
+   * Our local reference id for this peer
+   */
+  uint32_t id;
+
+};
+
+
+/**
+ * Context information for connecting 2 peers in overlay
+ */
+struct OverlayConnectContext
+{
+  /**
+   * peer 1
+   */
+  struct Peer *peer1;
+  
+  /**
+   * peer 2
+   */
+  struct Peer *peer2;
+
+  /**
+   * Transport handle of peer1
+   */
+  struct GNUNET_TRANSPORT_Handle *peer1_transport;
+  
+  /**
+   * Transport handle of peer2
+   */
+  struct GNUNET_TRANSPORT_Handle *peer2_transport;
+  
+  /**
+   * HELLO of peer1
+   */
+  struct GNUNET_MessageHeader *peer1_hello;
+  
+  /**
+   * HELLO of peer2
+   */
+  struct GNUNET_MessageHeader *peer2_hello;
+
+  /**
+   * Get hello handle for peer1
+   */
+  struct GNUNET_TRANSPORT_GetHelloHandle *peer1_ghh;
+  
+  /**
+   * Get hello handle for peer2
+   */
+  struct GNUNET_TRANSPORT_GetHelloHandle *peer2_ghh;
+};
+
+
 /**
  * The master context; generated with the first INIT message
  */
@@ -258,11 +342,6 @@ static struct Context *master_context;
 /* Handles */
 /***********/
 
-/**
- * Wrapped stdin.
- */
-static struct GNUNET_DISK_FileHandle *fh;
-
 /**
  * Current Transmit Handle; NULL if no notify transmit exists currently
  */
@@ -307,6 +386,11 @@ static struct Route **route_list;
  */
 static struct Slave **slave_list;
 
+/**
+ * A list of peers we own locally
+ */
+static struct Peer **peer_list;
+
 /**
  * The hashmap of shared services
  */
@@ -327,6 +411,11 @@ static uint32_t route_list_size;
  */
 static uint32_t slave_list_size;
 
+/**
+ * The size of the peer list
+ */
+static uint32_t peer_list_size;
+
 /*********/
 /* Tasks */
 /*********/
@@ -411,6 +500,24 @@ queue_message (struct GNUNET_SERVER_Client *client,
 }
 
 
+/**
+ * Similar to GNUNET_realloc; however clears tail part of newly allocated memory
+ *
+ * @param ptr the memory block to realloc
+ * @param size the size of ptr
+ * @param new_size the size to which ptr has to be realloc'ed
+ * @return the newly reallocated memory block
+ */
+static void *
+TESTBED_realloc (void *ptr, size_t size, size_t new_size)
+{
+  ptr = GNUNET_realloc (ptr, new_size);
+  if (new_size > size)
+    ptr = memset (ptr + size, 0, new_size - size);
+  return ptr;
+}
+
+
 /**
  * Function to add a host to the current list of known hosts
  *
@@ -422,18 +529,16 @@ static int
 host_list_add (struct GNUNET_TESTBED_Host *host)
 {
   uint32_t host_id;
-  uint32_t new_size;
 
   host_id = GNUNET_TESTBED_host_get_id_ (host);
   if (host_list_size <= host_id)
   {
-    new_size = host_list_size + LIST_GROW_STEP;
-    host_list = GNUNET_realloc (host_list, 
-                                sizeof (struct GNUNET_TESTBED_Host *)
-                                * new_size);
-    memset (&host_list[host_list_size], 0,
-           sizeof (struct Slave *) * LIST_GROW_STEP);
-    host_list_size = new_size;
+    host_list = 
+      TESTBED_realloc (host_list, 
+                       sizeof (struct GNUNET_TESTBED_Host *) * host_list_size,
+                       sizeof (struct GNUNET_TESTBED_Host *) *
+                       (host_list_size + LIST_GROW_STEP));
+    host_list_size += LIST_GROW_STEP;
   }
   if (NULL != host_list[host_id])
   {
@@ -453,16 +558,14 @@ host_list_add (struct GNUNET_TESTBED_Host *host)
 static void
 route_list_add (struct Route *route)
 {
-  uint32_t new_size;
-
   if (route->dest >= route_list_size)
   {
-    new_size = route_list_size + LIST_GROW_STEP;
-    route_list = GNUNET_realloc (route_list, sizeof (struct Route *)
-                                 * new_size);
-    memset (&route_list[route_list_size], 0,
-           sizeof (struct Slave *) * LIST_GROW_STEP);
-    route_list_size = new_size;
+    route_list = 
+      TESTBED_realloc (route_list, 
+                       sizeof (struct Route *) * route_list_size,
+                       sizeof (struct Route *) * 
+                       (route_list_size + LIST_GROW_STEP));
+    route_list_size += LIST_GROW_STEP;
   }
   GNUNET_assert (NULL == route_list[route->dest]);
   route_list[route->dest] = route;
@@ -472,27 +575,45 @@ route_list_add (struct Route *route)
 /**
  * Adds a slave to the slave array
  *
- * @param route the route to add
+ * @param slave the slave controller to add
  */
 static void
 slave_list_add (struct Slave *slave)
 {
-  uint32_t new_size;
-
   if (slave->host_id  >= slave_list_size)
   {
-    new_size = slave_list_size + LIST_GROW_STEP;
-    slave_list = GNUNET_realloc (slave_list, sizeof (struct Slave *)
-                                 * new_size);
-    memset (&slave_list[slave_list_size], 0,
-           sizeof (struct Slave *) * LIST_GROW_STEP);
-    slave_list_size = new_size;
+    slave_list = TESTBED_realloc (slave_list, 
+                                  sizeof (struct Slave *) *slave_list_size,
+                                  sizeof (struct Slave *) *
+                                  (slave_list_size + LIST_GROW_STEP));
+    slave_list_size += LIST_GROW_STEP;
   }
   GNUNET_assert (NULL == slave_list[slave->host_id]);
   slave_list[slave->host_id] = slave;
 }
 
 
+/**
+ * Adds a peer to the peer array
+ *
+ * @param peer the peer to add
+ */
+static void
+peer_list_add (struct Peer *peer)
+{
+  if (peer->id  >= peer_list_size)
+  {
+    peer_list = TESTBED_realloc (peer_list, 
+                                 sizeof (struct Peer *) * peer_list_size,
+                                 sizeof (struct Peer *) *
+                                 (peer_list_size + LIST_GROW_STEP));
+    peer_list_size += LIST_GROW_STEP;
+  }
+  GNUNET_assert (NULL == peer_list[peer->id]);
+  peer_list[peer->id] = peer;
+}
+
+
 /**
  * Routes message to a host given its host_id
  *
@@ -616,6 +737,36 @@ slave_event_callback(void *cls,
 }
 
 
+/**
+ * Callback to signal successfull startup of the controller process
+ *
+ * @param cls the closure from GNUNET_TESTBED_controller_start()
+ * @param cfg 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 
+slave_status_callback (void *cls, 
+                       const struct GNUNET_CONFIGURATION_Handle *cfg,
+                       int status)
+{
+  struct Slave *slave = cls;
+
+  if (GNUNET_SYSERR == status)
+  {
+    slave->controller_proc = NULL;
+    LOG (GNUNET_ERROR_TYPE_WARNING,
+         "Unexpected slave shutdown\n");
+    GNUNET_SCHEDULER_shutdown ();      /* We too shutdown */
+    return;
+  }
+  slave->controller =
+    GNUNET_TESTBED_controller_connect (cfg, host_list[slave->host_id],
+                                       master_context->event_mask,
+                                       &slave_event_callback, slave);
+}
+
 
 /**
  * Message handler for GNUNET_MESSAGE_TYPE_TESTBED_INIT messages
@@ -631,6 +782,8 @@ handle_init (void *cls,
 {
   const struct GNUNET_TESTBED_InitMessage *msg;
   struct GNUNET_TESTBED_Host *host;
+  void *addr;
+  size_t addrlen;
 
   if (NULL != master_context)
   {
@@ -642,6 +795,28 @@ handle_init (void *cls,
   master_context = GNUNET_malloc (sizeof (struct Context));
   master_context->client = client;
   master_context->host_id = ntohl (msg->host_id);
+  GNUNET_assert (GNUNET_OK == 
+                GNUNET_SERVER_client_get_address (client, &addr, &addrlen));
+  master_context->master_ip = GNUNET_malloc (NI_MAXHOST);
+  if (0 != getnameinfo (addr, addrlen, master_context->master_ip, NI_MAXHOST,
+                       NULL, 0, NI_NUMERICHOST))
+  {
+    LOG (GNUNET_ERROR_TYPE_WARNING,
+        "Cannot determine the ip of master controller: %s\n", STRERROR (errno));
+    GNUNET_free (addr);
+    GNUNET_free (master_context->master_ip);
+    GNUNET_assert (0);
+  }
+  GNUNET_free (addr);
+  if (0 == strcasecmp (master_context->master_ip, "localhost"))
+  {                            /* Hack for connections via unix sockets */
+    LOG_DEBUG ("May be using local sockets - assuming loopback for master ip\n");
+    GNUNET_free (master_context->master_ip);
+    master_context->master_ip = strdup ("127.0.0.1");
+  }
+  LOG_DEBUG ("Master Controller IP: %s\n", master_context->master_ip);
+  master_context->system = 
+    GNUNET_TESTING_system_create ("testbed", master_context->master_ip);
   host = GNUNET_TESTBED_host_create_with_id (master_context->host_id,
                                              NULL, NULL, 0);
   host_list_add (host);
@@ -749,6 +924,7 @@ int ss_exists_iterator (void *cls,
     return GNUNET_YES;
 }
 
+
 /**
  * Message handler for GNUNET_MESSAGE_TYPE_TESTBED_ADDHOST messages
  *
@@ -929,17 +1105,22 @@ handle_link_controllers (void *cls,
       return;
     }
     slave = GNUNET_malloc (sizeof (struct Slave));
-    slave->host_id = delegated_host_id;
-    slave_list_add (slave);
+    slave->host_id = delegated_host_id;    
+    slave_list_add (slave);    
     if (1 == msg->is_subordinate)
     {
       slave->controller_proc =
-        GNUNET_TESTBED_controller_start (host_list[delegated_host_id]);
+        GNUNET_TESTBED_controller_start (master_context->master_ip,
+                                        host_list[slave->host_id],
+                                        cfg, &slave_status_callback,
+                                        slave);
+    }
+    else {
+      slave->controller = 
+       GNUNET_TESTBED_controller_connect (cfg, host_list[slave->host_id],
+                                          master_context->event_mask,
+                                          &slave_event_callback, slave);
     }
-    slave->controller =
-      GNUNET_TESTBED_controller_connect (cfg, host_list[delegated_host_id],
-                                         master_context->event_mask,
-                                         &slave_event_callback, slave);
     GNUNET_CONFIGURATION_destroy (cfg);
     new_route = GNUNET_malloc (sizeof (struct Route));
     new_route->dest = delegated_host_id;
@@ -992,6 +1173,348 @@ handle_link_controllers (void *cls,
 }
 
 
+/**
+ * Handler for GNUNET_MESSAGE_TYPE_TESTBED_CREATEPEER messages
+ *
+ * @param cls NULL
+ * @param client identification of the client
+ * @param message the actual message
+ */
+static void 
+handle_peer_create (void *cls,
+                    struct GNUNET_SERVER_Client *client,
+                    const struct GNUNET_MessageHeader *message)
+{
+  const struct GNUNET_TESTBED_PeerCreateMessage *msg;
+  struct GNUNET_TESTBED_PeerCreateSuccessEventMessage *reply;
+  struct GNUNET_CONFIGURATION_Handle *cfg;
+  char *config;
+  size_t dest_size;
+  int ret;
+  uint32_t config_size;
+  uint16_t msize;
+  
+
+  msize = ntohs (message->size);
+  if (msize <= sizeof (struct GNUNET_TESTBED_PeerCreateMessage))
+  {
+    GNUNET_break (0);           /* We need configuration */
+    GNUNET_SERVER_receive_done (client, GNUNET_OK);
+    return;
+  }
+  msg = (const struct GNUNET_TESTBED_PeerCreateMessage *) message;
+  if (ntohl (msg->host_id) == master_context->host_id)
+  {
+    struct Peer *peer;
+    char *emsg;
+    
+    /* We are responsible for this peer */
+    msize -= sizeof (struct GNUNET_TESTBED_PeerCreateMessage);
+    config_size = ntohl (msg->config_size);    
+    config = GNUNET_malloc (config_size);
+    dest_size = config_size;
+    if (Z_OK != (ret = uncompress ((Bytef *) config, (uLongf *) &dest_size,
+                                   (const Bytef *) &msg[1], (uLong) msize)))
+    {
+      GNUNET_break (0);           /* uncompression error */
+      GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
+      return;
+    }
+    if (config_size != dest_size)
+    {
+      GNUNET_break (0);/* Uncompressed config size mismatch */
+      GNUNET_free (config);
+      GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
+      return;
+    }
+    cfg = GNUNET_CONFIGURATION_create ();
+    if (GNUNET_OK != GNUNET_CONFIGURATION_deserialize (cfg, config, config_size,
+                                                       GNUNET_NO))
+    {
+      GNUNET_break (0);           /* Configuration parsing error */
+      GNUNET_free (config);
+      GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
+      return;
+    }
+    GNUNET_free (config);
+    peer = GNUNET_malloc (sizeof (struct Peer));
+    peer->cfg = cfg;
+    peer->id = ntohl (msg->peer_id);
+    LOG_DEBUG ("Creating peer with id: %u\n", peer->id);
+    peer->peer = GNUNET_TESTING_peer_configure (master_context->system, peer->cfg,
+                                                peer->id,
+                                                NULL /* Peer id */,
+                                                &emsg);
+    if (NULL == peer->peer)
+    {
+      LOG (GNUNET_ERROR_TYPE_WARNING, "Configuring peer failed: %s\n", emsg);
+      GNUNET_free (emsg);
+      GNUNET_break (0);
+      GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
+      return;
+    }
+    peer_list_add (peer);
+    reply = GNUNET_malloc (sizeof (struct GNUNET_TESTBED_PeerCreateSuccessEventMessage));
+    reply->header.size = htons (sizeof (struct GNUNET_TESTBED_PeerCreateSuccessEventMessage));
+    reply->header.type = htons (GNUNET_MESSAGE_TYPE_TESTBED_PEERCREATESUCCESS);
+    reply->peer_id = msg->peer_id;
+    reply->operation_id = msg->operation_id;
+    queue_message (client, &reply->header);
+    GNUNET_SERVER_receive_done (client, GNUNET_OK);
+    return;
+  }
+
+  /* FIXME: Forward the peer to other host */
+  GNUNET_break (0);
+  GNUNET_SERVER_receive_done (client, GNUNET_OK);
+}
+
+
+/**
+ * Message handler for GNUNET_MESSAGE_TYPE_TESTBED_DESTROYPEER messages
+ *
+ * @param cls NULL
+ * @param client identification of the client
+ * @param message the actual message
+ */
+static void 
+handle_peer_destroy (void *cls,
+                     struct GNUNET_SERVER_Client *client,
+                     const struct GNUNET_MessageHeader *message)
+{
+  const struct GNUNET_TESTBED_PeerDestroyMessage *msg;
+  struct GNUNET_TESTBED_GenericOperationSuccessEventMessage *reply;
+  uint32_t peer_id;
+  uint32_t id;
+  uint16_t reply_size;
+  
+  msg = (const struct GNUNET_TESTBED_PeerDestroyMessage *) message;
+  peer_id = ntohl (msg->peer_id);
+  LOG_DEBUG ("Received peer destory on peer: %u and operation id: %ul\n",
+             peer_id, GNUNET_ntohll (msg->operation_id));
+  if ((peer_list_size <= peer_id) || (NULL == peer_list[peer_id]))
+  {
+    GNUNET_break (0);
+    /* FIXME: Reply with failure event message or forward to slave controller */
+    GNUNET_SERVER_receive_done (client, GNUNET_OK);
+    return;
+  }  
+  GNUNET_TESTING_peer_destroy (peer_list[peer_id]->peer);
+  GNUNET_CONFIGURATION_destroy (peer_list[peer_id]->cfg);
+  GNUNET_free (peer_list[peer_id]);
+  peer_list[peer_id] = NULL;
+  for (id = 0; id < LIST_GROW_STEP; id++)
+  {
+    if (((peer_id + id >= peer_list_size) ||
+         (NULL != peer_list[peer_id])))
+      break;
+  }
+  if (LIST_GROW_STEP == id)
+  {
+    peer_list_size -= LIST_GROW_STEP;
+    peer_list = GNUNET_realloc (peer_list, peer_list_size);
+  }
+  reply_size = 
+    sizeof (struct GNUNET_TESTBED_GenericOperationSuccessEventMessage);
+  reply = GNUNET_malloc (reply_size);
+  reply->header.type = htons (GNUNET_MESSAGE_TYPE_TESTBED_GENERICOPSUCCESS);
+  reply->header.size = htons (reply_size);
+  reply->operation_id = msg->operation_id;
+  reply->event_type = htonl (GNUNET_TESTBED_ET_OPERATION_FINISHED);
+  queue_message (client, &reply->header);
+  GNUNET_SERVER_receive_done (client, GNUNET_OK);
+}
+
+
+/**
+ * Message handler for GNUNET_MESSAGE_TYPE_TESTBED_DESTROYPEER messages
+ *
+ * @param cls NULL
+ * @param client identification of the client
+ * @param message the actual message
+ */
+static void 
+handle_peer_start (void *cls,
+                  struct GNUNET_SERVER_Client *client,
+                  const struct GNUNET_MessageHeader *message)
+{
+  const struct GNUNET_TESTBED_PeerStartMessage *msg;
+  struct GNUNET_TESTBED_PeerEventMessage *reply;
+  uint32_t peer_id;
+
+  msg = (const struct GNUNET_TESTBED_PeerStartMessage *) message;
+  peer_id = ntohl (msg->peer_id);
+  if ((peer_id >= peer_list_size) 
+      || (NULL == peer_list[peer_id]))
+  {
+    GNUNET_break (0);
+    /* FIXME: reply with failure message or forward to slave controller */
+    GNUNET_SERVER_receive_done (client, GNUNET_OK);
+    return;
+  }
+  if (GNUNET_OK != GNUNET_TESTING_peer_start (peer_list[peer_id]->peer))
+  {
+    /* FIXME: return FAILURE message */
+    GNUNET_break (0);
+    GNUNET_SERVER_receive_done (client, GNUNET_OK);
+    return;
+  }
+  reply = GNUNET_malloc (sizeof (struct GNUNET_TESTBED_PeerEventMessage));
+  reply->header.type = htons (GNUNET_MESSAGE_TYPE_TESTBED_PEEREVENT);
+  reply->header.size = htons (sizeof (struct GNUNET_TESTBED_PeerEventMessage));
+  reply->event_type = htonl (GNUNET_TESTBED_ET_PEER_START);
+  reply->host_id = htonl (master_context->host_id);
+  reply->peer_id = msg->peer_id;
+  reply->operation_id = msg->operation_id;
+  queue_message (client, &reply->header);
+  GNUNET_SERVER_receive_done (client, GNUNET_OK);
+}
+
+
+/**
+ * Message handler for GNUNET_MESSAGE_TYPE_TESTBED_DESTROYPEER messages
+ *
+ * @param cls NULL
+ * @param client identification of the client
+ * @param message the actual message
+ */
+static void 
+handle_peer_stop (void *cls,
+                 struct GNUNET_SERVER_Client *client,
+                 const struct GNUNET_MessageHeader *message)
+{
+  const struct GNUNET_TESTBED_PeerStopMessage *msg;
+  struct GNUNET_TESTBED_PeerEventMessage *reply;
+  uint32_t peer_id;
+
+  msg = (const struct GNUNET_TESTBED_PeerStopMessage *) message;
+  peer_id = ntohl (msg->peer_id);
+  if ((peer_id >= peer_list_size) || (NULL == peer_list[peer_id]))
+  {
+    GNUNET_break (0);          /* FIXME: route to slave? */
+    GNUNET_SERVER_receive_done (client, GNUNET_OK);
+    return;
+  }
+  if (GNUNET_OK != GNUNET_TESTING_peer_stop (peer_list[peer_id]->peer))
+  {
+    /* FIXME: return FAILURE message */
+    GNUNET_break (0);
+    GNUNET_SERVER_receive_done (client, GNUNET_OK);
+    return;
+  }
+  reply = GNUNET_malloc (sizeof (struct GNUNET_TESTBED_PeerEventMessage));
+  reply->header.type = htons (GNUNET_MESSAGE_TYPE_TESTBED_PEEREVENT);
+  reply->header.size = htons (sizeof (struct GNUNET_TESTBED_PeerEventMessage));
+  reply->event_type = htonl (GNUNET_TESTBED_ET_PEER_STOP);
+  reply->host_id = htonl (master_context->host_id);
+  reply->peer_id = msg->peer_id;
+  reply->operation_id = msg->operation_id;
+  queue_message (client, &reply->header);
+  GNUNET_SERVER_receive_done (client, GNUNET_OK);
+}
+
+
+/**
+ * Handler for GNUNET_MESSAGE_TYPE_TESTBED_GETPEERCONFIG messages
+ *
+ * @param cls NULL
+ * @param client identification of the client
+ * @param message the actual message
+ */
+static void 
+handle_peer_get_config (void *cls,
+                        struct GNUNET_SERVER_Client *client,
+                        const struct GNUNET_MessageHeader *message)
+{
+  const struct GNUNET_TESTBED_PeerGetConfigurationMessage *msg;
+  struct GNUNET_TESTBED_PeerConfigurationInformationMessage *reply;
+  char *config;
+  char *xconfig;
+  size_t c_size;
+  size_t xc_size;  
+  uint32_t peer_id;
+  uint16_t msize;
+  
+  msg = (const struct GNUNET_TESTBED_PeerGetConfigurationMessage *) message;
+  peer_id = ntohl (msg->peer_id);
+  if ((peer_id >= peer_list_size) || (NULL == peer_list[peer_id]))
+  {
+    /* FIXME: return FAILURE message */
+    GNUNET_break (0);
+    GNUNET_SERVER_receive_done (client, GNUNET_OK);
+  }
+  config = GNUNET_CONFIGURATION_serialize (peer_list[peer_id]->cfg,
+                                           &c_size);
+  xc_size = GNUNET_TESTBED_compress_config_ (config, c_size, &xconfig);
+  GNUNET_free (config);
+  msize = xc_size + sizeof (struct
+                            GNUNET_TESTBED_PeerConfigurationInformationMessage);
+  reply = GNUNET_realloc (xconfig, msize);
+  (void) memmove (&reply[1], reply, xc_size);
+  reply->header.size = htons (msize);
+  reply->header.type = htons (GNUNET_MESSAGE_TYPE_TESTBED_PEERCONFIG);
+  reply->peer_id = msg->peer_id;
+  reply->operation_id = msg->operation_id;
+  GNUNET_TESTING_peer_get_identity (peer_list[peer_id]->peer,
+                                    &reply->peer_identity);
+  reply->config_size = htons ((uint16_t) c_size);
+  queue_message (client, &reply->header);
+  GNUNET_SERVER_receive_done (client, GNUNET_OK);
+}
+
+
+
+/**
+ * Function called whenever there is an update to the
+ * HELLO of this peer.
+ *
+ * @param cls closure
+ * @param hello our updated HELLO
+ */
+static void 
+hello_update_cb (void *cls,
+                const struct GNUNET_MessageHeader *hello)
+{
+  GNUNET_break(0);  
+}
+
+
+/**
+ * Handler for GNUNET_MESSAGE_TYPE_TESTBED_OLCONNECT messages
+ *
+ * @param cls NULL
+ * @param client identification of the client
+ * @param message the actual message
+ */
+static void 
+handle_overlay_connect (void *cls,
+                        struct GNUNET_SERVER_Client *client,
+                        const struct GNUNET_MessageHeader *message)
+{
+  const struct GNUNET_TESTBED_OverlayConnectMessage *msg;
+  struct OverlayConnectContext *occ;
+  uint32_t p1;
+  uint32_t p2;
+
+  msg = (const struct GNUNET_TESTBED_OverlayConnectMessage *) message;
+  p1 = ntohl (msg->peer1);
+  p2 = ntohl (msg->peer2);
+  GNUNET_assert (p1 < peer_list_size);
+  GNUNET_assert (NULL != peer_list[p1]);
+  GNUNET_assert (p2 < peer_list_size);
+  GNUNET_assert (NULL != peer_list[p2]);
+  occ = GNUNET_malloc (sizeof (struct OverlayConnectContext));
+  occ->peer1 = peer_list[p1];
+  occ->peer2 = peer_list[p2];
+  occ->peer1_transport = GNUNET_TRANSPORT_connect (occ->peer1->cfg, NULL, occ,
+                                                  NULL, NULL, NULL);
+  occ->peer2_transport = GNUNET_TRANSPORT_connect (occ->peer2->cfg, NULL, occ,
+                                                  NULL, NULL, NULL);
+  occ->peer1_ghh = GNUNET_TRANSPORT_get_hello (occ->peer1_transport, &hello_update_cb, occ);
+  occ->peer2_ghh = GNUNET_TRANSPORT_get_hello (occ->peer2_transport, &hello_update_cb, occ);
+}
+
+
 /**
  * Iterator over hash map entries.
  *
@@ -1030,16 +1553,10 @@ shutdown_task (void *cls,
   uint32_t id;
 
   shutdown_task_id = GNUNET_SCHEDULER_NO_TASK;
-  GNUNET_SCHEDULER_shutdown ();
   LOG (GNUNET_ERROR_TYPE_DEBUG, "Shutting down testbed service\n");
   (void) GNUNET_CONTAINER_multihashmap_iterate (ss_map, &ss_map_free_iterator,
                                                 NULL);
-  GNUNET_CONTAINER_multihashmap_destroy (ss_map);
-  if (NULL != fh)
-  {
-    GNUNET_DISK_file_close (fh);
-    fh = NULL;
-  }
+  GNUNET_CONTAINER_multihashmap_destroy (ss_map);  
   if (NULL != lcfq_head)
   {
     if (GNUNET_SCHEDULER_NO_TASK != lcf_proc_task_id)
@@ -1058,6 +1575,15 @@ shutdown_task (void *cls,
     GNUNET_CONTAINER_DLL_remove (lcfq_head, lcfq_tail, lcfq);
     GNUNET_free (lcfq);
   }
+  /* Clear peer list */
+  for (id = 0; id < peer_list_size; id++)
+    if (NULL != peer_list[id])
+    {
+      GNUNET_TESTING_peer_destroy (peer_list[id]->peer);
+      GNUNET_CONFIGURATION_destroy (peer_list[id]->cfg);
+      GNUNET_free (peer_list[id]);
+    }
+  GNUNET_free_non_null (peer_list);
   /* Clear host list */
   for (id = 0; id < host_list_size; id++)
     if (NULL != host_list[id])
@@ -1077,7 +1603,14 @@ shutdown_task (void *cls,
       if (NULL != slave_list[id]->controller_proc)
         GNUNET_TESTBED_controller_stop (slave_list[id]->controller_proc);
     }
-  GNUNET_free_non_null (master_context);
+  if (NULL != master_context)
+  {  
+    GNUNET_free_non_null (master_context->master_ip);
+    if (NULL != master_context->system)
+      GNUNET_TESTING_system_destroy (master_context->system, GNUNET_YES);
+    GNUNET_free (master_context);
+    master_context = NULL;
+  }
 }
 
 
@@ -1101,7 +1634,7 @@ client_disconnect_cb (void *cls, struct GNUNET_SERVER_Client *client)
        hurt for now --- might need to revise this later if we ever
        decide that master connections might be temporarily down 
        for some reason */
-    GNUNET_SCHEDULER_shutdown ();
+    //GNUNET_SCHEDULER_shutdown ();
   }
 }
 
@@ -1127,6 +1660,17 @@ testbed_run (void *cls,
        GNUNET_MESSAGE_TYPE_TESTBED_SERVICESHARE, 0},
       {&handle_link_controllers, NULL,
        GNUNET_MESSAGE_TYPE_TESTBED_LCONTROLLERS, 0},
+      {&handle_peer_create, NULL, GNUNET_MESSAGE_TYPE_TESTBED_CREATEPEER, 0},
+      {&handle_peer_destroy, NULL, GNUNET_MESSAGE_TYPE_TESTBED_DESTROYPEER,
+       sizeof (struct GNUNET_TESTBED_PeerDestroyMessage)},
+      {&handle_peer_start, NULL, GNUNET_MESSAGE_TYPE_TESTBED_STARTPEER,
+       sizeof (struct GNUNET_TESTBED_PeerStartMessage)},
+      {&handle_peer_stop, NULL, GNUNET_MESSAGE_TYPE_TESTBED_STOPPEER,
+       sizeof (struct GNUNET_TESTBED_PeerStopMessage)},      
+      {&handle_peer_get_config, NULL, GNUNET_MESSAGE_TYPE_TESTBED_GETPEERCONFIG,
+       sizeof (struct GNUNET_TESTBED_PeerGetConfigurationMessage)},
+      {&handle_overlay_connect, NULL, GNUNET_MESSAGE_TYPE_TESTBED_OLCONNECT,
+       sizeof (struct GNUNET_TESTBED_OverlayConnectMessage)},
       {NULL}
     };
 
@@ -1136,18 +1680,10 @@ testbed_run (void *cls,
                                    &client_disconnect_cb,
                                    NULL);
   ss_map = GNUNET_CONTAINER_multihashmap_create (5);
-  fh = GNUNET_DISK_get_handle_from_native (stdin);
-  if (NULL == fh)
-    shutdown_task_id = 
-      GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL,                                 
-                                   &shutdown_task,
-                                   NULL);
-  else
-    shutdown_task_id = 
-      GNUNET_SCHEDULER_add_read_file (GNUNET_TIME_UNIT_FOREVER_REL,
-                                     fh,
-                                     &shutdown_task,
-                                     NULL);
+  shutdown_task_id = 
+    GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL,
+                                 &shutdown_task,
+                                 NULL);
   LOG_DEBUG ("Testbed startup complete\n");
 }