src/mesh/test_mesh_api.c

   1 /*
   2      This file is part of GNUnet.
   3      (C) 2011 Christian Grothoff (and other contributing authors)
   4
   5      GNUnet is free software; you can redistribute it and/or modify
   6      it under the terms of the GNU General Public License as published
   7      by the Free Software Foundation; either version 3, or (at your
   8      option) any later version.
   9
  10      GNUnet is distributed in the hope that it will be useful, but
  11      WITHOUT ANY WARRANTY; without even the implied warranty of
  12      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13      General Public License for more details.
  14
  15      You should have received a copy of the GNU General Public License
  16      along with GNUnet; see the file COPYING.  If not, write to the
  17      Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18      Boston, MA 02111-1307, USA.
  19 */
  20
  21 /**
  22  * @file mesh/test_mesh_api.c
  23  * @brief test mesh api: dummy test of callbacks
  24  * @author Bartlomiej Polot
  25  */
  26
  27 #include "platform.h"
  28 #include "gnunet_util_lib.h"
  29 #include "gnunet_dht_service.h"
  30 #include "gnunet_mesh_service_new.h"
  31
  32 #define VERBOSE 1
  33 #define VERBOSE_ARM 0
  34
  35 static struct GNUNET_OS_Process                 *arm_pid;
  36 static struct GNUNET_MESH_Handle                *mesh;
  37 static int                                      result;
  38 GNUNET_SCHEDULER_TaskIdentifier                 abort_task;
  39 GNUNET_SCHEDULER_TaskIdentifier                 test_task;
  40
  41 /**
  42  * Function is called whenever a message is received.
  43  *
  44  * @param cls closure (set from GNUNET_MESH_connect)
  45  * @param tunnel connection to the other end
  46  * @param tunnel_ctx place to store local state associated with the tunnel
  47  * @param sender who sent the message
  48  * @param message the actual message
  49  * @param atsi performance data for the connection
  50  * @return GNUNET_OK to keep the connection open,
  51  *         GNUNET_SYSERR to close it (signal serious error)
  52  */
  53 static int
  54 callback(void *cls,
  55         struct GNUNET_MESH_Tunnel *tunnel,
  56         void **tunnel_ctx,
  57         const struct GNUNET_PeerIdentity *sender,
  58         const struct GNUNET_MessageHeader *message,
  59         const struct GNUNET_TRANSPORT_ATS_Information
  60         *atsi)
  61 {
  62     return 0;
  63 }
  64
  65 static struct GNUNET_MESH_MessageHandler        handlers[] = {{&callback, 1, 0},
  66                                                               {NULL, 0, 0}};
  67
  68
  69 static void
  70 do_shutdown (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
  71 {
  72     if (0 != abort_task) {
  73         GNUNET_SCHEDULER_cancel(abort_task);
  74     }
  75     if (NULL != mesh) {
  76         GNUNET_MESH_disconnect (mesh);
  77     }
  78     if (0 != GNUNET_OS_process_kill (arm_pid, SIGTERM)) {
  79         GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "kill");
  80     }
  81     GNUNET_assert (GNUNET_OK == GNUNET_OS_process_wait (arm_pid));
  82     GNUNET_OS_process_close (arm_pid);
  83 }
  84
  85 static void
  86 do_abort (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
  87 {
  88     if (0 != test_task) {
  89         GNUNET_SCHEDULER_cancel(test_task);
  90     }
  91     result = GNUNET_SYSERR;
  92     abort_task = 0;
  93     do_shutdown(cls, tc);
  94 }
  95
  96 static void
  97 test (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
  98 {
  99     struct GNUNET_CONFIGURATION_Handle  *cfg = cls;
 100     GNUNET_MESH_ApplicationType         app[3];
 101
 102     test_task = (GNUNET_SCHEDULER_TaskIdentifier) 0;
 103     app[0] = (GNUNET_MESH_ApplicationType) 1;
 104     app[1] = (GNUNET_MESH_ApplicationType) 2;
 105     app[2] = (GNUNET_MESH_ApplicationType) 0;
 106     mesh = GNUNET_MESH_connect(cfg, NULL, NULL, handlers, &app);
 107     if(NULL == mesh) {
 108         GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Couldn't connect to mesh :(\n");
 109         return;
 110     } else {
 111         GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "YAY! CONNECTED TO MESH :D\n");
 112     }
 113
 114     GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply(
 115                                     GNUNET_TIME_UNIT_SECONDS, 1),
 116                                     &do_shutdown,
 117                                     NULL);
 118 }
 119
 120
 121 static void
 122 run (void *cls,
 123      char *const *args,
 124      const char *cfgfile, const struct GNUNET_CONFIGURATION_Handle *cfg)
 125 {
 126     arm_pid = GNUNET_OS_start_process (NULL, NULL,
 127                                        "gnunet-service-arm",
 128                                        "gnunet-service-arm",
 129 #if VERBOSE_ARM
 130                                        "-L", "DEBUG",
 131 #endif
 132                                        "-c", "test_mesh.conf",
 133                                        NULL);
 134
 135     abort_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply(
 136                                                 GNUNET_TIME_UNIT_SECONDS, 20),
 137                                                 &do_abort,
 138                                                 NULL);
 139     test_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply(
 140                                                 GNUNET_TIME_UNIT_SECONDS, 1),
 141                                                 &test,
 142                                                 (void *)cfg);
 143
 144 }
 145
 146
 147 int
 148 main (int argc, char *argv[])
 149 {
 150     int ret;
 151     char *const argv2[] = {"test-mesh-api",
 152         "-c", "test_mesh.conf",
 153 #if VERBOSE
 154         "-L", "DEBUG",
 155 #endif
 156         NULL
 157     };
 158     struct GNUNET_GETOPT_CommandLineOption options[] = {
 159         GNUNET_GETOPT_OPTION_END
 160     };
 161     GNUNET_log_setup ("test-mesh-api",
 162 #if VERBOSE
 163                     "DEBUG",
 164 #else
 165                     "WARNING",
 166 #endif
 167                     NULL);
 168     ret = GNUNET_PROGRAM_run ((sizeof (argv2) / sizeof (char *)) - 1,
 169                         argv2, "test-mesh-api", "nohelp",
 170                         options, &run, NULL);
 171
 172     if ( GNUNET_OK != ret ) {
 173         GNUNET_log(GNUNET_ERROR_TYPE_WARNING,
 174                    "run failed with error code %d\n", ret);
 175         return 1;
 176     }
 177     if ( GNUNET_SYSERR == result ) {
 178         GNUNET_log(GNUNET_ERROR_TYPE_WARNING,
 179                    "test failed\n");
 180         return 1;
 181     }
 182     return 0;
 183 }