aboutsummaryrefslogtreecommitdiff
path: root/src/mesh/test_mesh_small.c
blob: a7ea4ee79554ca3f277f40291218f5bbc9b79e29 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
/*
     This file is part of GNUnet.
     (C) 2011 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 mesh/test_mesh_small.c
 *
 * @brief Test for the mesh service.
 */
#include "platform.h"
#include "gnunet_testing_lib.h"
#include "gnunet_mesh_service_new.h"

#define VERBOSE GNUNET_YES
#define REMOVE_DIR GNUNET_YES

struct MeshPeer
{
  struct MeshPeer *prev;

  struct MeshPeer *next;

  struct GNUNET_TESTING_Daemon *daemon;

  struct GNUNET_MESH_Handle *mesh_handle;
};


struct StatsContext
{
  unsigned long long total_mesh_bytes;
};


// static struct MeshPeer *peer_head;
//
// static struct MeshPeer *peer_tail;

/**
 * How long until we give up on connecting the peers?
 */
#define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 1500)

static int ok;

/**
 * Be verbose
 */
static int verbose;

/**
 * Total number of peers in the test.
 */
static unsigned long long num_peers;

/**
 * Global configuration file
 */
static struct GNUNET_CONFIGURATION_Handle *testing_cfg;

/**
 * Total number of currently running peers.
 */
static unsigned long long peers_running;

/**
 * Total number of connections in the whole network.
 */
static unsigned int total_connections;

/**
 * The currently running peer group.
 */
static struct GNUNET_TESTING_PeerGroup *pg;

/**
 * File to report results to.
 */
static struct GNUNET_DISK_FileHandle *output_file;

/**
 * File to log connection info, statistics to.
 */
static struct GNUNET_DISK_FileHandle *data_file;

/**
 * Task called to disconnect peers.
 */
static GNUNET_SCHEDULER_TaskIdentifier disconnect_task;

/**
 * Task called to shutdown test.
 */
static GNUNET_SCHEDULER_TaskIdentifier shutdown_handle;

static char *topology_file;

static char *data_filename;

static struct GNUNET_TIME_Relative time_out;

/**
 * Check whether peers successfully shut down.
 */
static void
shutdown_callback (void *cls, const char *emsg)
{
  if (emsg != NULL)
  {
#if VERBOSE
    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Shutdown of peers failed!\n");
#endif
    if (ok == 0)
      ok = 666;
  }
  else
  {
#if VERBOSE
    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "All peers successfully shut down!\n");
#endif
    ok = 0;
  }
}


static void
shutdown_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
#if VERBOSE
  fprintf (stderr, "Ending test.\n");
#endif

  if (disconnect_task != GNUNET_SCHEDULER_NO_TASK)
  {
    GNUNET_SCHEDULER_cancel (disconnect_task);
    disconnect_task = GNUNET_SCHEDULER_NO_TASK;
  }
  if (data_file != NULL)
    GNUNET_DISK_file_close (data_file);
  GNUNET_TESTING_daemons_stop (pg, TIMEOUT, &shutdown_callback, NULL);
  GNUNET_CONFIGURATION_destroy (testing_cfg);
}


/**
 * Handlers, for diverse services
 */
static struct GNUNET_MESH_MessageHandler handlers[] = {
//    {&callback, 1, 0},
  {NULL, 0, 0}
};


static void
disconnect_mesh (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
              "test: disconnecting mesh service of peers\n");
  disconnect_task = GNUNET_SCHEDULER_NO_TASK;
  GNUNET_SCHEDULER_cancel (shutdown_handle);
  shutdown_handle = GNUNET_SCHEDULER_add_now(&shutdown_task, NULL);
}


/**
 * Function called whenever an inbound tunnel is destroyed.  Should clean up
 * any associated state.
 *
 * @param cls closure (set from GNUNET_MESH_connect)
 * @param tunnel connection to the other end (henceforth invalid)
 * @param tunnel_ctx place where local state associated
 *                   with the tunnel is stored
 */
static void
tunnel_cleaner (void *cls, const struct GNUNET_MESH_Tunnel *tunnel,
                void *tunnel_ctx)
{
#if VERBOSE
  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "tunnel disconnected\n");
#endif
  return;
}

/**
 * Method called whenever a tunnel falls apart.
 *
 * @param cls closure
 * @param peer peer identity the tunnel stopped working with
 */
static void
dh (void *cls, const struct GNUNET_PeerIdentity *peer)
{
  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "peer disconnected\n");
  return;
}


/**
 * Method called whenever a tunnel is established.
 *
 * @param cls closure
 * @param peer peer identity the tunnel was created to, NULL on timeout
 * @param atsi performance data for the connection
 */
static void
ch (void *cls, const struct GNUNET_PeerIdentity *peer,
    const struct GNUNET_ATS_Information *atsi)
{
  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "peer connected\n");
  return;
}


/**
 * connect_mesh_service: connect to the mesh service of one of the peers
 *
 */
static void
connect_mesh (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
  struct GNUNET_TESTING_Daemon *d;
  struct GNUNET_MESH_Handle *h;
  struct GNUNET_MESH_Tunnel *t;
  GNUNET_MESH_ApplicationType app;

  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "connect_mesh_service\n");

  d = GNUNET_TESTING_daemon_get (pg, 1);
  app = (GNUNET_MESH_ApplicationType) 0;

#if VERBOSE
  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
              "connecting to mesh service of peer %s\n", GNUNET_i2s (&d->id));
#endif
  h = GNUNET_MESH_connect (d->cfg, 10, NULL, NULL, &tunnel_cleaner, handlers,
                           &app);
#if VERBOSE
  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "connected to mesh service of peer %s\n",
              GNUNET_i2s (&d->id));
#endif
  t = GNUNET_MESH_tunnel_create (h, NULL, &ch, &dh, NULL);
  GNUNET_MESH_tunnel_destroy (t);
  GNUNET_MESH_disconnect (h);
}


/**
 * peergroup_ready: start test when all peers are connected
 * @param cls closure
 * @param emsg error message
 */
static void
peergroup_ready (void *cls, const char *emsg)
{
  char *buf;
  int buf_len;

  if (emsg != NULL)
  {
    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
                "Peergroup callback called with error, aborting test!\n");
    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Error from testing: `%s'\n");
    ok = 1;
    GNUNET_TESTING_daemons_stop (pg, TIMEOUT, &shutdown_callback, NULL);
    return;
  }
#if VERBOSE
  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Peer Group started successfully!\n");
#endif

  GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Have %u connections\n",
              total_connections);
  if (data_file != NULL)
  {
    buf = NULL;
    buf_len = GNUNET_asprintf (&buf, "CONNECTIONS_0: %u\n", total_connections);
    if (buf_len > 0)
      GNUNET_DISK_file_write (data_file, buf, buf_len);
    GNUNET_free (buf);
  }
  peers_running = GNUNET_TESTING_daemons_running (pg);

  GNUNET_SCHEDULER_add_now (&connect_mesh, NULL);
  disconnect_task =
      GNUNET_SCHEDULER_add_delayed (time_out, &disconnect_mesh, NULL);

}


/**
 * Function that will be called whenever two daemons are connected by
 * the testing library.
 *
 * @param cls closure
 * @param first peer id for first daemon
 * @param second peer id for the second daemon
 * @param distance distance between the connected peers
 * @param first_cfg config for the first daemon
 * @param second_cfg config for the second daemon
 * @param first_daemon handle for the first daemon
 * @param second_daemon handle for the second daemon
 * @param emsg error message (NULL on success)
 */
static void
connect_cb (void *cls, const struct GNUNET_PeerIdentity *first,
            const struct GNUNET_PeerIdentity *second, uint32_t distance,
            const struct GNUNET_CONFIGURATION_Handle *first_cfg,
            const struct GNUNET_CONFIGURATION_Handle *second_cfg,
            struct GNUNET_TESTING_Daemon *first_daemon,
            struct GNUNET_TESTING_Daemon *second_daemon, const char *emsg)
{
  if (emsg == NULL)
    total_connections++;
}


/**
 * run: load configuration options and schedule test to run (start peergroup)
 * @param cls closure
 * @param args argv
 * @param cfgfile configuration file name (can be NULL)
 * @param cfg configuration handle
 */
static void
run (void *cls, char *const *args, const char *cfgfile,
     const struct GNUNET_CONFIGURATION_Handle *cfg)
{
  char *temp_str;
  struct GNUNET_TESTING_Host *hosts;

  ok = 1;
  testing_cfg = GNUNET_CONFIGURATION_dup (cfg);

  GNUNET_log_setup ("test_mesh_small",
#if VERBOSE
                    "DEBUG",
#else
                    "WARNING",
#endif
                    NULL);

#if VERBOSE
  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Starting daemons.\n");
  GNUNET_CONFIGURATION_set_value_string (testing_cfg, "testing",
                                         "use_progressbars", "YES");
#endif

  time_out = GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 30);

  if (GNUNET_OK !=
      GNUNET_CONFIGURATION_get_value_number (testing_cfg, "testing",
                                             "num_peers", &num_peers))
  {
    GNUNET_assert (GNUNET_OK ==
                   GNUNET_CONFIGURATION_load (testing_cfg,
                                              "test_mesh_small.conf"));
    if (GNUNET_OK !=
        GNUNET_CONFIGURATION_get_value_number (testing_cfg, "testing",
                                               "num_peers", &num_peers))
    {
      GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
                  "Option TESTING:NUM_PEERS is required!\n");
      return;
    }
  }

  if (GNUNET_OK !=
      GNUNET_CONFIGURATION_get_value_string (testing_cfg, "testing",
                                             "topology_output_file",
                                             &topology_file))
  {
    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
                "Option test_mesh_small:topology_output_file is required!\n");
    return;
  }

  if (GNUNET_OK !=
      GNUNET_CONFIGURATION_get_value_string (testing_cfg, "test_mesh_small",
                                             "data_output_file",
                                             &data_filename))
  {
    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
                "Option test_mesh_small:data_output_file is required!\n");
    return;
  }

  data_file =
      GNUNET_DISK_file_open (data_filename,
                             GNUNET_DISK_OPEN_READWRITE |
                             GNUNET_DISK_OPEN_CREATE,
                             GNUNET_DISK_PERM_USER_READ |
                             GNUNET_DISK_PERM_USER_WRITE);
  if (data_file == NULL)
  {
    GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Failed to open %s for output!\n",
                data_filename);
    GNUNET_free (data_filename);
  }

  if (GNUNET_YES ==
      GNUNET_CONFIGURATION_get_value_string (cfg, "test_mesh_small",
                                             "output_file", &temp_str))
  {
    output_file =
        GNUNET_DISK_file_open (temp_str,
                               GNUNET_DISK_OPEN_READWRITE |
                               GNUNET_DISK_OPEN_CREATE,
                               GNUNET_DISK_PERM_USER_READ |
                               GNUNET_DISK_PERM_USER_WRITE);
    if (output_file == NULL)
      GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Failed to open %s for output!\n",
                  temp_str);
  }
  GNUNET_free_non_null (temp_str);

  hosts = GNUNET_TESTING_hosts_load (testing_cfg);

  pg = GNUNET_TESTING_peergroup_start (testing_cfg, num_peers, TIMEOUT,
                                       &connect_cb, &peergroup_ready, NULL,
                                       hosts);
  GNUNET_assert (pg != NULL);
  shutdown_handle =
      GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_get_forever (),
                                    &shutdown_task, NULL);
}



/**
 * test_mesh_small command line options
 */
static struct GNUNET_GETOPT_CommandLineOption options[] = {
  {'V', "verbose", NULL,
   gettext_noop ("be verbose (print progress information)"),
   0, &GNUNET_GETOPT_set_one, &verbose},
  GNUNET_GETOPT_OPTION_END
};


/**
 * Main: start test
 */
int
main (int argc, char *argv[])
{
  GNUNET_PROGRAM_run (argc, argv, "test_mesh_small",
                      gettext_noop ("Test mesh in a small network."), options,
                      &run, NULL);
#if REMOVE_DIR
  GNUNET_DISK_directory_remove ("/tmp/test_mesh_small");
#endif
  return ok;
}

/* end of test_mesh_small.c */