[GNUnet-SVN] r24153 - gnunet/src/testbed

[gnunet]

Author: harsha
Date: 2012-09-30 23:32:58 +0200 (Sun, 30 Sep 2012)
New Revision: 24153

Added:
   gnunet/src/testbed/test_testbed_api_3peers_3controllers.c.new
Log:
checkpoint save

Added: gnunet/src/testbed/test_testbed_api_3peers_3controllers.c.new
===================================================================
--- gnunet/src/testbed/test_testbed_api_3peers_3controllers.c.new               
                (rev 0)
+++ gnunet/src/testbed/test_testbed_api_3peers_3controllers.c.new       
2012-09-30 21:32:58 UTC (rev 24153)
@@ -0,0 +1,750 @@
+/*
+      This file is part of GNUnet
+      (C) 2008--2012 Christian Grothoff (and other contributing authors)
+
+      GNUnet is free software; you can redistribute it and/or modify
+      it under the terms of the GNU General Public License as published
+      by the Free Software Foundation; either version 3, or (at your
+      option) any later version.
+
+      GNUnet is distributed in the hope that it will be useful, but
+      WITHOUT ANY WARRANTY; without even the implied warranty of
+      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+      General Public License for more details.
+
+      You should have received a copy of the GNU General Public License
+      along with GNUnet; see the file COPYING.  If not, write to the
+      Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+      Boston, MA 02111-1307, USA.
+ */
+
+/**
+ * @file testbed/test_testbed_api_3peers_3controllers.c
+ * @brief testcases for the testbed api: 3 peers are configured, started and
+ *          connected together. Each peer resides on its own controller.
+ * @author Sree Harsha Totakura
+ */
+
+
+/**
+ * The testing architecture is:
+ *                  C1
+ *                 /  \
+ *                /    \
+ *               C2 == C3
+ * C1 is the master controller and C2, C3 are slave controllers. C2 links to C3
+ * laterally
+ */
+
+#include "platform.h"
+#include "gnunet_util_lib.h"
+#include "gnunet_testing_lib-new.h"
+#include "gnunet_testbed_service.h"
+
+
+/**
+ * Generic logging shortcut
+ */
+#define LOG(kind,...)                          \
+  GNUNET_log (kind, __VA_ARGS__)
+
+/**
+ * Relative time seconds shorthand
+ */
+#define TIME_REL_SECS(sec) \
+  GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, sec)
+
+
+/**
+ * Peer context
+ */
+struct PeerContext
+{
+  /**
+   * The peer handle
+   */
+  struct GNUNET_TESTBED_Peer *peer;
+
+  /**
+   * Operations involving this peer
+   */
+  struct GNUNET_TESTBED_Operation *operation;
+
+  /**
+   * set to GNUNET_YES when peer is started
+   */
+  int is_running;
+};
+
+/**
+ * Our localhost
+ */
+static struct GNUNET_TESTBED_Host *host;
+
+/**
+ * The controller process of one controller
+ */
+static struct GNUNET_TESTBED_ControllerProc *cp1;
+
+/**
+ * A neighbouring host
+ */
+static struct GNUNET_TESTBED_Host *neighbour1;
+
+/**
+ * Another neighbouring host
+ */
+static struct GNUNET_TESTBED_Host *neighbour2;
+
+/**
+ * Handle for neighbour registration
+ */
+static struct GNUNET_TESTBED_HostRegistrationHandle *reg_handle;
+
+/**
+ * The controller handle of one controller
+ */
+static struct GNUNET_TESTBED_Controller *controller1;
+
+/**
+ * peer 1
+ */
+static struct PeerContext peer1;
+
+/**
+ * peer2
+ */
+static struct PeerContext peer2;
+
+/**
+ * peer3
+ */
+static struct PeerContext peer3;
+
+/**
+ * Handle to starting configuration
+ */
+static struct GNUNET_CONFIGURATION_Handle *cfg;
+
+/**
+ * Handle to controller2 configuration, used to establish lateral link from
+ * controller 1
+ */
+static struct GNUNET_CONFIGURATION_Handle *cfg2;
+
+/**
+ * Handle to operations involving both peers
+ */
+static struct GNUNET_TESTBED_Operation *common_operation;
+
+/**
+ * Abort task identifier
+ */
+static GNUNET_SCHEDULER_TaskIdentifier abort_task;
+
+/**
+ * Delayed connect job identifier
+ */
+static GNUNET_SCHEDULER_TaskIdentifier delayed_connect_task;
+
+/**
+ * Different stages in testing
+ */
+enum Stage
+{
+
+  /**
+   * Initial stage
+   */
+  INIT,
+
+  /**
+   * Controller 1 has started
+   */
+  CONTROLLER1_UP,
+
+  /**
+   * peer1 is created
+   */
+  PEER1_CREATED,
+
+  /**
+   * peer1 is started
+   */
+  PEER1_STARTED,
+
+  /**
+   * Controller 2 has started
+   */
+  CONTROLLER2_UP,
+
+  /**
+   * peer2 is created
+   */
+  PEER2_CREATED,
+
+  /**
+   * peer2 is started
+   */
+  PEER2_STARTED,
+
+  /**
+   * Controller 3 has started
+   */
+  CONTROLLER3_UP,
+
+  /**
+   * Peer3 is created
+   */
+  PEER3_CREATED,
+
+  /**
+   * Peer3 started
+   */
+  PEER3_STARTED,
+
+  /**
+   * peer1 and peer2 are connected
+   */
+  PEERS_1_2_CONNECTED,
+
+  /**
+   * Linking controller B to C
+   */
+  CONTROLLERS_LINKED,
+
+  /**
+   * peer2 and peer3 are connected
+   */
+  PEERS_2_3_CONNECTED,
+
+  /**
+   * Peers are connected once again (this should not fail as they are already 
connected)
+   */
+  PEERS_CONNECTED_2,
+
+  /**
+   * peers are stopped
+   */
+  PEERS_STOPPED,
+
+  /**
+   * Final success stage
+   */
+  SUCCESS
+};
+
+/**
+ * The testing result
+ */
+static enum Stage result;
+
+/**
+ * Shutdown nicely
+ *
+ * @param cls NULL
+ * @param tc the task context
+ */
+static void
+do_shutdown (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+  if (GNUNET_SCHEDULER_NO_TASK != abort_task)
+    GNUNET_SCHEDULER_cancel (abort_task);
+  GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == delayed_connect_task);
+  if (NULL != reg_handle)
+    GNUNET_TESTBED_cancel_registration (reg_handle);
+  if (NULL != controller1)
+    GNUNET_TESTBED_controller_disconnect (controller1);
+  if (NULL != controller2)
+    GNUNET_TESTBED_controller_disconnect (controller2);
+  GNUNET_CONFIGURATION_destroy (cfg);
+  if (NULL != cfg2)
+    GNUNET_CONFIGURATION_destroy (cfg2);
+  if (NULL != cp1)
+    GNUNET_TESTBED_controller_stop (cp1);
+  if (NULL != host)
+    GNUNET_TESTBED_host_destroy (host);
+  if (NULL != neighbour1)
+    GNUNET_TESTBED_host_destroy (neighbour1);
+  if (NULL != neighbour2)
+    GNUNET_TESTBED_host_destroy (neighbour2);
+}
+
+
+/**
+ * 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)
+{
+  LOG (GNUNET_ERROR_TYPE_WARNING, "Test timedout -- Aborting\n");
+  abort_task = GNUNET_SCHEDULER_NO_TASK;
+  GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == delayed_connect_task);
+  do_shutdown (cls, tc);
+}
+
+
+/**
+ * Callback to be called when an operation is completed
+ *
+ * @param cls the callback closure from functions generating an operation
+ * @param op the operation that has been finished
+ * @param emsg error message in case the operation has failed; will be NULL if
+ *          operation has executed successfully.
+ */
+static void 
+op_comp_cb (void *cls, struct GNUNET_TESTBED_Operation *op, const char *emsg);
+
+
+/**
+ * task for delaying a connect
+ *
+ * @param cls NULL
+ * @param tc the task context
+ */
+static void
+do_delayed_connect (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+  delayed_connect_task = GNUNET_SCHEDULER_NO_TASK;
+  GNUNET_assert (NULL == common_operation);
+  common_operation = GNUNET_TESTBED_overlay_connect (NULL, &op_comp_cb, NULL, 
+                                                    peer1.peer, peer2.peer);
+}
+
+
+/**
+ * Callback to be called when an operation is completed
+ *
+ * @param cls the callback closure from functions generating an operation
+ * @param op the operation that has been finished
+ * @param emsg error message in case the operation has failed; will be NULL if
+ *          operation has executed successfully.
+ */
+static void 
+op_comp_cb (void *cls, struct GNUNET_TESTBED_Operation *op, const char *emsg)
+{
+  GNUNET_assert (common_operation == op);
+  switch(result)
+  {
+  case PEER3_STARTED:
+    GNUNET_assert (NULL == peer1.operation);
+    GNUNET_assert (NULL == peer2.operation);
+    GNUNET_assert (NULL != common_operation);
+    GNUNET_TESTBED_operation_done (common_operation);
+    common_operation = NULL;
+    result = PEERS_1_2_CONNECTED;
+    LOG (GNUNET_ERROR_TYPE_DEBUG, "Peers connected\n");
+    /* delayed_connect_task = */
+    /*     GNUNET_SCHEDULER_add_delayed (TIME_REL_SECS (3), */
+    /*                               &do_delayed_connect, NULL); */
+    common_operation = GNUNET_TESTBED_controller_link (controller, 
+    break;
+  case PEERS_CONNECTED:
+    GNUNET_assert (NULL == peer1.operation);
+    GNUNET_assert (NULL == peer2.operation);
+    GNUNET_assert (NULL != common_operation);
+    GNUNET_TESTBED_operation_done (common_operation);
+    common_operation = NULL;
+    result = PEERS_CONNECTED_2;
+    LOG (GNUNET_ERROR_TYPE_DEBUG, "Peers connected again\n");
+    peer1.operation = GNUNET_TESTBED_peer_stop (peer1.peer, NULL, NULL);
+    peer2.operation = GNUNET_TESTBED_peer_stop (peer2.peer, NULL, NULL);
+    peer3.operation = GNUNET_TESTBED_peer_stop (peer3.peer, NULL, NULL);
+    break;
+  default:
+    GNUNET_assert (0);
+  }
+}
+
+
+/**
+ * Functions of this signature are called when a peer has been successfully
+ * created
+ *
+ * @param cls NULL
+ * @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)
+{
+  switch (result)
+  {
+  case CONTROLLER1_UP:
+    GNUNET_assert (NULL != peer1.operation);
+    GNUNET_assert (NULL != peer);
+    GNUNET_assert (NULL == peer1.peer);
+    peer1.peer = peer;
+    GNUNET_TESTBED_operation_done (peer1.operation);
+    result = PEER1_CREATED;
+    peer1.operation = GNUNET_TESTBED_peer_start (peer, NULL, NULL);
+    break;
+  case CONTROLLER2_UP:
+    GNUNET_assert (NULL != peer2.operation);
+    GNUNET_assert (NULL != peer);
+    GNUNET_assert (NULL == peer2.peer);
+    peer2.peer = peer;
+    GNUNET_TESTBED_operation_done (peer2.operation);
+    result = PEER2_CREATED;
+    peer2.operation = GNUNET_TESTBED_peer_start (peer, NULL, NULL);
+    break;
+  case CONTROLLER3_UP:
+    GNUNET_assert (NULL != peer3.operation);
+    GNUNET_assert (NULL != peer);
+    GNUNET_assert (NULL == peer3.peer);
+    peer3.peer = peer;
+    GNUNET_TESTBED_operation_done (peer3.operation);
+    result = PEER3_CREATED;
+    peer3.operation = GNUNET_TESTBED_peer_start (peer, NULL, NULL);
+    break;
+  default:
+    GNUNET_assert (0);
+  }  
+}
+
+
+/**
+ * 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
+status_cb (void *cls, const struct GNUNET_CONFIGURATION_Handle *config, int 
status);
+
+
+/**
+ * Signature of the event handler function called by the
+ * respective event controller.
+ *
+ * @param cls closure
+ * @param event information about the event
+ */
+static void
+controller_cb (void *cls, const struct GNUNET_TESTBED_EventInformation *event)
+{
+  switch (event->type)
+  {
+  case GNUNET_TESTBED_ET_OPERATION_FINISHED:
+    GNUNET_assert (NULL == event->details.operation_finished.op_cls);
+    GNUNET_assert (NULL == event->details.operation_finished.emsg);
+    GNUNET_assert (NULL == event->details.operation_finished.generic);
+    switch (result)
+    {
+    case PEERS_STOPPED:
+      if (event->details.operation_finished.operation == peer1.operation)
+      {
+        GNUNET_TESTBED_operation_done (peer1.operation);
+        peer1.operation = NULL;
+        peer1.peer = NULL;
+      }
+      else if (event->details.operation_finished.operation == peer2.operation)
+      {
+        GNUNET_TESTBED_operation_done (peer2.operation);
+        peer2.operation = NULL;
+        peer2.peer = NULL;
+      }
+      else if (event->details.operation_finished.operation == peer3.operation)
+      {
+        GNUNET_TESTBED_operation_done (peer3.operation);
+        peer3.operation = NULL;
+        peer3.peer = NULL;
+      }
+      else
+        GNUNET_assert (0);
+      if ((NULL == peer1.peer) && (NULL == peer2.peer) && (NULL == peer3.peer))
+      {
+        result = SUCCESS;
+        GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
+      }
+      break;
+    case PEER1_STARTED:
+      GNUNET_assert (NULL != common_operation);
+      GNUNET_TESTBED_operation_done (common_operation);
+      common_operation = NULL;
+      result = CONTROLLER2_UP;
+      peer2.operation =
+          GNUNET_TESTBED_peer_create (controller1, neighbour1, cfg,
+                                      &peer_create_cb, NULL);
+      GNUNET_assert (NULL != peer2.operation);
+      break;
+    case PEER2_STARTED:
+      GNUNET_assert (NULL != common_operation);
+      GNUNET_TESTBED_operation_done (common_operation);
+      common_operation = NULL;
+      result = CONTROLLER3_UP;
+      peer3.operation =
+          GNUNET_TESTBED_peer_create (controller1, neighbour2, cfg,
+                                      &peer_create_cb, NULL);
+      GNUNET_assert (NULL != peer3.operation);
+      break;
+    default:
+      GNUNET_assert (0);
+    }
+    break;
+  case GNUNET_TESTBED_ET_PEER_START:    
+    switch (result)
+    {
+    case PEER1_CREATED:
+      GNUNET_assert (event->details.peer_start.host == host);
+      peer1.is_running = GNUNET_YES;
+      GNUNET_TESTBED_operation_done (peer1.operation);
+      peer1.operation = NULL;
+      result = PEER1_STARTED;
+      common_operation =
+          GNUNET_TESTBED_controller_link (controller1, neighbour1, NULL, cfg,
+                                          GNUNET_YES); 
+      break;
+    case PEER2_CREATED:
+      GNUNET_assert (event->details.peer_start.host == neighbour1);
+      peer2.is_running = GNUNET_YES;
+      GNUNET_TESTBED_operation_done (peer2.operation);
+      peer2.operation = NULL;
+      result = PEER2_STARTED;
+      GNUNET_assert (NULL == common_operation);              
+      common_operation =
+          GNUNET_TESTBED_controller_link (controller1, neighbour2, NULL, cfg,
+                                          GNUNET_YES);
+      GNUNET_assert (NULL != common_operation);
+      break;
+    case PEER3_CREATED:
+      GNUNET_assert (event->details.peer_start.host == neighbour2);
+      peer3.is_running = GNUNET_YES;
+      GNUNET_TESTBED_operation_done (peer3.operation);
+      peer3.operation = NULL;
+      result = PEER3_STARTED;
+      common_operation =
+          GNUNET_TESTBED_overlay_connect (NULL, &op_comp_cb, NULL, peer1.peer,
+                                          peer2.peer);
+      break;
+    default:
+      GNUNET_assert (0);
+    }    
+    break;
+  case GNUNET_TESTBED_ET_PEER_STOP:
+    GNUNET_assert (PEERS_CONNECTED_2 == result);
+    if (event->details.peer_stop.peer == peer1.peer)
+    {
+      peer1.is_running = GNUNET_NO;
+      GNUNET_TESTBED_operation_done (peer1.operation);
+    }
+    else if (event->details.peer_stop.peer == peer2.peer)
+    {
+      peer2.is_running = GNUNET_NO;
+      GNUNET_TESTBED_operation_done (peer2.operation);
+    }
+    else if (event->details.peer_stop.peer == peer3.peer)
+    {
+      peer3.is_running = GNUNET_NO;
+      GNUNET_TESTBED_operation_done (peer3.operation);
+    }
+    else
+      GNUNET_assert (0);
+    if ((GNUNET_NO == peer1.is_running) &&
+        (GNUNET_NO == peer2.is_running) &&
+        (GNUNET_NO == peer3.is_running))
+    {
+      result = PEERS_STOPPED;
+      peer1.operation = GNUNET_TESTBED_peer_destroy (peer1.peer);
+      peer2.operation = GNUNET_TESTBED_peer_destroy (peer2.peer);
+      peer3.operation = GNUNET_TESTBED_peer_destroy (peer3.peer);
+    }
+    break;
+  case GNUNET_TESTBED_ET_CONNECT:
+    GNUNET_assert (NULL == peer1.operation);
+    GNUNET_assert (NULL == peer2.operation);
+    GNUNET_assert (NULL == peer3.operation);
+    switch (result)
+    {
+    case PEER3_STARTED:
+      GNUNET_assert (NULL != common_operation);
+      GNUNET_assert ((event->details.peer_connect.peer1 == peer1.peer) &&
+                    (event->details.peer_connect.peer2 == peer2.peer));
+      break;
+    case PEERS_CONNECTED:
+      GNUNET_assert (NULL != common_operation);
+      GNUNET_assert ((event->details.peer_connect.peer1 == peer2.peer) &&
+                    (event->details.peer_connect.peer2 == peer3.peer));
+      break;
+    default:
+      GNUNET_assert (0);
+    }
+    break;
+  default:
+    GNUNET_assert (0);
+  };
+}
+
+
+/**
+ * Callback which will be called to after a host registration succeeded or 
failed
+ *
+ * @param cls the host which has been registered
+ * @param emsg the error message; NULL if host registration is successful
+ */
+static void
+registration_comp (void *cls, const char *emsg)
+{
+  reg_handle = NULL;
+  if (cls == neighbour1)
+  {
+    neighbour2 = GNUNET_TESTBED_host_create ("127.0.0.1", NULL, 0);
+    GNUNET_assert (NULL != neighbour2);
+    reg_handle =
+        GNUNET_TESTBED_register_host (controller1, neighbour2, 
&registration_comp,
+                                      neighbour2);
+    GNUNET_assert (NULL != reg_handle);
+    return;
+  }
+  GNUNET_assert (cls == neighbour2);
+  peer1.operation =
+      GNUNET_TESTBED_peer_create (controller1, host, cfg, &peer_create_cb,
+                                  &peer1);
+  GNUNET_assert (NULL != peer1.operation);  
+}
+
+
+/**
+ * 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
+status_cb (void *cls, const struct GNUNET_CONFIGURATION_Handle *config, int 
status)
+{
+  uint64_t event_mask;
+  
+  GNUNET_assert (GNUNET_OK == status);
+  event_mask = 0;
+  event_mask |= (1L << GNUNET_TESTBED_ET_PEER_START);
+  event_mask |= (1L << GNUNET_TESTBED_ET_PEER_STOP);
+  event_mask |= (1L << GNUNET_TESTBED_ET_CONNECT);
+  event_mask |= (1L << GNUNET_TESTBED_ET_OPERATION_FINISHED);
+  switch (result)
+  {
+  case INIT:
+    controller1 =
+        GNUNET_TESTBED_controller_connect (config, host, event_mask, 
&controller_cb,
+                                           NULL);
+    GNUNET_assert (NULL != controller1);
+    result = CONTROLLER1_UP;
+    neighbour1 = GNUNET_TESTBED_host_create ("127.0.0.1", NULL, 0);
+    GNUNET_assert (NULL != neighbour1);
+    reg_handle =
+        GNUNET_TESTBED_register_host (controller1, neighbour1, 
&registration_comp,
+                                      neighbour1);
+    GNUNET_assert (NULL != reg_handle);
+    break;
+  default:
+    GNUNET_assert (0);
+  }
+  
+}
+
+
+/**
+ * Main run function.
+ *
+ * @param cls NULL
+ * @param args arguments passed to GNUNET_PROGRAM_run
+ * @param cfgfile the path to configuration file
+ * @param cfg the configuration file handle
+ */
+static void
+run (void *cls, char *const *args, const char *cfgfile,
+     const struct GNUNET_CONFIGURATION_Handle *config)
+{
+  host = GNUNET_TESTBED_host_create (NULL, NULL, 0);
+  GNUNET_assert (NULL != host);
+  cfg = GNUNET_CONFIGURATION_dup (config);
+  cp1 = GNUNET_TESTBED_controller_start ("127.0.0.1", host, cfg, status_cb,
+                                        NULL);
+  abort_task =
+      GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
+                                    (GNUNET_TIME_UNIT_MINUTES, 3), &do_abort,
+                                    NULL);
+}
+
+
+/**
+ * Function to check if password-less SSH logins to given ip work
+ *
+ * @param host_str numeric representation of the host's ip
+ * @return GNUNET_YES if password-less SSH login to the given host works;
+ *           GNUNET_NO if not
+ */
+static int
+check_ssh (char *host_str)
+{
+  char *const remote_args[] = {
+    "ssh", "-o", "BatchMode=yes", "-o", "CheckHostIP=no", "-q",
+    host_str, "echo", "SSH", "works", NULL
+  };
+  struct GNUNET_OS_Process *auxp;
+  enum GNUNET_OS_ProcessStatusType type;
+  unsigned long code;
+  int ret;
+
+  auxp =
+      GNUNET_OS_start_process_vap (GNUNET_NO, GNUNET_OS_INHERIT_STD_ALL, NULL,
+                                   NULL, "ssh", remote_args);
+  GNUNET_assert (NULL != auxp);
+  do
+  {
+    ret = GNUNET_OS_process_status (auxp, &type, &code);
+    GNUNET_assert (GNUNET_SYSERR != ret);
+    (void) usleep (300);
+  }
+  while (GNUNET_NO == ret);
+  (void) GNUNET_OS_process_wait (auxp);
+  GNUNET_OS_process_destroy (auxp);
+  return (0 != code) ? GNUNET_NO : GNUNET_YES;
+}
+
+
+/**
+ * Main function
+ */
+int
+main (int argc, char **argv)
+{
+  char *const argv2[] = { "test_testbed_api_3peers_3controllers",
+    "-c", "test_testbed_api.conf",
+    NULL
+  };
+  struct GNUNET_GETOPT_CommandLineOption options[] = {
+    GNUNET_GETOPT_OPTION_END
+  };
+  int ret;
+
+  if (GNUNET_YES != check_ssh ("127.0.0.1"))
+    goto error_exit;
+  result = INIT;
+  ret =
+      GNUNET_PROGRAM_run ((sizeof (argv2) / sizeof (char *)) - 1, argv2,
+                          "test_testbed_api_3peers_3controllers", "nohelp",
+                          options, &run, NULL);
+  if ((GNUNET_OK != ret) || (SUCCESS != result))
+    return 1;
+  return 0;
+
+ error_exit:
+  (void) PRINTF ("%s",
+                 "Unable to run the test as this system is not configured "
+                 "to use password less SSH logins to localhost.\n"
+                 "Marking test as successful\n");
+  return 0;
+}
+
+/* end of test_testbed_api_3peers_3controllers.c */