src/conversation/test_conversation_api.c

   1 /*
   2      This file is part of GNUnet.
   3      (C) 2013 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  * @file conversation/test_conversation_api.c
  22  * @brief testcase for conversation_api.c
  23  *
  24  * This test performs the operations of a call to a phone
  25  * where the phone user picks up and then the call is
  26  * terminated by the party that initiated the call.
  27  */
  28 #include "platform.h"
  29 #include "gnunet_util_lib.h"
  30 #include "gnunet_testing_lib.h"
  31 #include "gnunet_gnsrecord_lib.h"
  32 #include "gnunet_conversation_service.h"
  33 #include "gnunet_identity_service.h"
  34 #include "gnunet_namestore_service.h"
  35
  36 #define FREQ GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MILLISECONDS, 250)
  37
  38 #define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 25)
  39
  40 static int ok = 1;
  41
  42 static const struct GNUNET_CONFIGURATION_Handle *cfg;
  43
  44 static struct GNUNET_IDENTITY_Handle *id;
  45
  46 static struct GNUNET_IDENTITY_Operation *op;
  47
  48 static struct GNUNET_CONVERSATION_Phone *phone;
  49
  50 static struct GNUNET_NAMESTORE_Handle *ns;
  51
  52 static struct GNUNET_CONVERSATION_Call *call;
  53
  54 static struct GNUNET_NAMESTORE_QueueEntry *qe;
  55
  56 static struct GNUNET_CONVERSATION_Caller *active_caller;
  57
  58 static char *gns_name;
  59
  60 static char *gns_caller_id;
  61
  62 static GNUNET_MICROPHONE_RecordedDataCallback phone_rdc;
  63
  64 static void *phone_rdc_cls;
  65
  66 static GNUNET_MICROPHONE_RecordedDataCallback call_rdc;
  67
  68 static void *call_rdc_cls;
  69
  70 static GNUNET_SCHEDULER_TaskIdentifier phone_task;
  71
  72 static GNUNET_SCHEDULER_TaskIdentifier call_task;
  73
  74
  75 static void
  76 phone_send (void *cls,
  77             const struct GNUNET_SCHEDULER_TaskContext *tc)
  78 {
  79   static unsigned int i;
  80   char buf[32];
  81
  82   GNUNET_assert (NULL != phone_rdc);
  83   GNUNET_snprintf (buf, sizeof (buf), "phone-%u", i++);
  84   phone_rdc (phone_rdc_cls, strlen (buf) + 1, buf);
  85   phone_task = GNUNET_SCHEDULER_add_delayed (FREQ,
  86                                              &phone_send, NULL);
  87 }
  88
  89
  90 static void
  91 call_send (void *cls,
  92             const struct GNUNET_SCHEDULER_TaskContext *tc)
  93 {
  94   static unsigned int i;
  95   char buf[32];
  96
  97   GNUNET_assert (NULL != call_rdc);
  98   GNUNET_snprintf (buf, sizeof (buf), "call-%u", i++);
  99   call_rdc (call_rdc_cls, strlen (buf) + 1, buf);
 100   call_task = GNUNET_SCHEDULER_add_delayed (FREQ,
 101                                             &call_send, NULL);
 102 }
 103
 104
 105 static int
 106 enable_speaker (void *cls)
 107 {
 108   const char *origin = cls;
 109
 110   fprintf (stderr,
 111            "Speaker %s enabled\n",
 112            origin);
 113   return GNUNET_OK;
 114 }
 115
 116
 117 static void
 118 disable_speaker (void *cls)
 119 {
 120   const char *origin = cls;
 121
 122   fprintf (stderr,
 123            "Speaker %s disabled\n",
 124            origin);
 125 }
 126
 127
 128 static void
 129 play (void *cls,
 130       size_t data_size,
 131       const void *data)
 132 {
 133   const char *origin = cls;
 134   static unsigned int phone_i;
 135   static unsigned int call_i;
 136   char buf[32];
 137
 138   if (0 == strcmp (origin, "phone"))
 139     GNUNET_snprintf (buf, sizeof (buf), "phone-%u", phone_i++);
 140   else
 141     GNUNET_snprintf (buf, sizeof (buf), "call-%u", call_i++);
 142   if ( (data_size != strlen (buf) + 1) ||
 143        (0 != strncmp (buf, data, data_size)) )
 144   {
 145     fprintf (stderr,
 146              "Expected %s, received %.*s\n",
 147              buf,
 148              (int) data_size,
 149              (const char *) data);
 150   }
 151   if ( (20 < call_i) &&
 152        (20 < phone_i) &&
 153        (NULL != call) )
 154   {
 155     /* time to hang up ... */
 156     GNUNET_CONVERSATION_call_stop (call);
 157     call = NULL;
 158   }
 159 }
 160
 161
 162 static void
 163 destroy_speaker (void *cls)
 164 {
 165   const char *origin = cls;
 166
 167   fprintf (stderr, "Speaker %s destroyed\n", origin);
 168 }
 169
 170
 171 static struct GNUNET_SPEAKER_Handle call_speaker = {
 172   &enable_speaker,
 173   &play,
 174   &disable_speaker,
 175   &destroy_speaker,
 176   "caller"
 177 };
 178
 179
 180 static struct GNUNET_SPEAKER_Handle phone_speaker = {
 181   &enable_speaker,
 182   &play,
 183   &disable_speaker,
 184   &destroy_speaker,
 185   "phone"
 186 };
 187
 188
 189 static int
 190 enable_mic (void *cls,
 191             GNUNET_MICROPHONE_RecordedDataCallback rdc,
 192             void *rdc_cls)
 193 {
 194   const char *origin = cls;
 195
 196   fprintf (stderr,
 197            "Mic %s enabled\n",
 198            origin);
 199   if (0 == strcmp (origin, "phone"))
 200   {
 201     phone_rdc = rdc;
 202     phone_rdc_cls = rdc_cls;
 203     phone_task = GNUNET_SCHEDULER_add_now (&phone_send, NULL);
 204   }
 205   else
 206   {
 207     call_rdc = rdc;
 208     call_rdc_cls = rdc_cls;
 209     call_task = GNUNET_SCHEDULER_add_now (&call_send, NULL);
 210   }
 211   return GNUNET_OK;
 212 }
 213
 214
 215 static void
 216 disable_mic (void *cls)
 217 {
 218   const char *origin = cls;
 219
 220   fprintf (stderr,
 221            "Mic %s disabled\n",
 222            origin);
 223   if (0 == strcmp (origin, "phone"))
 224   {
 225     phone_rdc = NULL;
 226     phone_rdc_cls = NULL;
 227     GNUNET_SCHEDULER_cancel (phone_task);
 228     phone_task = GNUNET_SCHEDULER_NO_TASK;
 229   }
 230   else
 231   {
 232     call_rdc = NULL;
 233     call_rdc_cls = NULL;
 234     GNUNET_SCHEDULER_cancel (call_task);
 235     call_task = GNUNET_SCHEDULER_NO_TASK;
 236   }
 237 }
 238
 239
 240 static void
 241 destroy_mic (void *cls)
 242 {
 243   const char *origin = cls;
 244
 245   fprintf (stderr,
 246            "Mic %s destroyed\n",
 247            origin);
 248 }
 249
 250
 251 static struct GNUNET_MICROPHONE_Handle call_mic = {
 252   &enable_mic,
 253   &disable_mic,
 254   &destroy_mic,
 255   "caller"
 256 };
 257
 258
 259 static struct GNUNET_MICROPHONE_Handle phone_mic = {
 260   &enable_mic,
 261   &disable_mic,
 262   &destroy_mic,
 263   "phone"
 264 };
 265
 266
 267 /**
 268  * Signature of the main function of a task.
 269  *
 270  * @param cls closure
 271  * @param tc context information (why was this task triggered now)
 272  */
 273 static void
 274 end_test (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
 275 {
 276   GNUNET_SCHEDULER_shutdown ();
 277   if (NULL != op)
 278   {
 279     GNUNET_IDENTITY_cancel (op);
 280     op = NULL;
 281   }
 282   if (NULL != call)
 283   {
 284     GNUNET_CONVERSATION_call_stop (call);
 285     call = NULL;
 286   }
 287   if (NULL != phone)
 288   {
 289     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Disconnecting from PHONE service.\n");
 290     GNUNET_CONVERSATION_phone_destroy (phone);
 291     phone = NULL;
 292   }
 293   if (NULL != id)
 294   {
 295     GNUNET_IDENTITY_disconnect (id);
 296     id = NULL;
 297   }
 298   if (NULL != qe)
 299   {
 300     GNUNET_NAMESTORE_cancel (qe);
 301     qe = NULL;
 302   }
 303   if (NULL != ns)
 304   {
 305     GNUNET_NAMESTORE_disconnect (ns);
 306     ns = NULL;
 307   }
 308 }
 309
 310
 311 static void
 312 caller_event_handler (void *cls,
 313                       enum GNUNET_CONVERSATION_CallerEventCode code)
 314 {
 315   switch (code)
 316   {
 317   case GNUNET_CONVERSATION_EC_CALLER_SUSPEND:
 318   case GNUNET_CONVERSATION_EC_CALLER_RESUME:
 319     fprintf (stderr, "Unexpected caller code: %d\n", code);
 320     break;
 321   }
 322 }
 323
 324
 325 static void
 326 phone_event_handler (void *cls,
 327                      enum GNUNET_CONVERSATION_PhoneEventCode code,
 328                      struct GNUNET_CONVERSATION_Caller *caller,
 329                      const char *caller_id)
 330 {
 331   static enum GNUNET_CONVERSATION_PhoneEventCode expect
 332     = GNUNET_CONVERSATION_EC_PHONE_RING;
 333
 334   GNUNET_break (0 == strcmp (caller_id,
 335                              gns_caller_id));
 336   GNUNET_break (code == expect);
 337   switch (code)
 338   {
 339   case GNUNET_CONVERSATION_EC_PHONE_RING:
 340     active_caller = caller;
 341     GNUNET_CONVERSATION_caller_pick_up (caller,
 342                                         &caller_event_handler,
 343                                         NULL,
 344                                         &phone_speaker,
 345                                         &phone_mic);
 346     expect = GNUNET_CONVERSATION_EC_PHONE_HUNG_UP;
 347     break;
 348   case GNUNET_CONVERSATION_EC_PHONE_HUNG_UP:
 349     GNUNET_break (caller == active_caller);
 350     active_caller = NULL;
 351     ok = 0;
 352     GNUNET_SCHEDULER_shutdown ();
 353     break;
 354   default:
 355     fprintf (stderr, "Unexpected phone code: %d\n", code);
 356     break;
 357   }
 358 }
 359
 360
 361 static void
 362 call_event_handler (void *cls,
 363                     enum GNUNET_CONVERSATION_CallEventCode code)
 364 {
 365   static enum GNUNET_CONVERSATION_CallEventCode expect
 366     = GNUNET_CONVERSATION_EC_CALL_RINGING;
 367
 368   GNUNET_break (code == expect);
 369   switch (code)
 370   {
 371   case GNUNET_CONVERSATION_EC_CALL_RINGING:
 372     expect = GNUNET_CONVERSATION_EC_CALL_PICKED_UP;
 373     break;
 374   case GNUNET_CONVERSATION_EC_CALL_PICKED_UP:
 375     expect = -1;
 376     break;
 377   case GNUNET_CONVERSATION_EC_CALL_GNS_FAIL:
 378   case GNUNET_CONVERSATION_EC_CALL_HUNG_UP:
 379     call = NULL;
 380     fprintf (stderr, "Unexpected call code: %d\n", code);
 381     break;
 382   case GNUNET_CONVERSATION_EC_CALL_SUSPENDED:
 383   case GNUNET_CONVERSATION_EC_CALL_RESUMED:
 384     fprintf (stderr, "Unexpected call code: %d\n", code);
 385     break;
 386   }
 387 }
 388
 389
 390 static void
 391 caller_ego_create_cont (void *cls,
 392                         const char *emsg)
 393 {
 394   op = NULL;
 395   GNUNET_assert (NULL == emsg);
 396 }
 397
 398
 399 static void
 400 namestore_put_cont (void *cls,
 401                     int32_t success,
 402                     const char *emsg)
 403 {
 404   qe = NULL;
 405   GNUNET_assert (GNUNET_YES == success);
 406   GNUNET_assert (NULL == emsg);
 407   GNUNET_assert (NULL == op);
 408   op = GNUNET_IDENTITY_create (id, "caller-ego", &caller_ego_create_cont, NULL);
 409 }
 410
 411
 412 static void
 413 identity_cb (void *cls,
 414              struct GNUNET_IDENTITY_Ego *ego,
 415              void **ctx,
 416              const char *name)
 417 {
 418   struct GNUNET_GNSRECORD_Data rd;
 419   struct GNUNET_CRYPTO_EcdsaPublicKey pub;
 420
 421   if (NULL == name)
 422     return;
 423   if (NULL == ego)
 424     return;
 425   if (0 == strcmp (name, "phone-ego"))
 426   {
 427     GNUNET_IDENTITY_ego_get_public_key (ego, &pub);
 428     GNUNET_asprintf (&gns_name,
 429                      "phone.%s",
 430                      GNUNET_GNSRECORD_pkey_to_zkey (&pub));
 431     phone = GNUNET_CONVERSATION_phone_create (cfg,
 432                                               ego,
 433                                               &phone_event_handler,
 434                                               NULL);
 435     GNUNET_assert (NULL != phone);
 436     memset (&rd, 0, sizeof (rd));
 437     GNUNET_CONVERSATION_phone_get_record (phone,
 438                                           &rd);
 439     GNUNET_assert (rd.record_type == GNUNET_GNSRECORD_TYPE_PHONE);
 440     rd.expiration_time = UINT64_MAX;
 441     qe = GNUNET_NAMESTORE_records_store (ns,
 442                                          GNUNET_IDENTITY_ego_get_private_key (ego),
 443                                          "phone" /* GNS label */,
 444                                          1,
 445                                          &rd,
 446                                          &namestore_put_cont,
 447                                          NULL);
 448     return;
 449   }
 450   if (0 == strcmp (name, "caller-ego"))
 451   {
 452     GNUNET_IDENTITY_ego_get_public_key (ego, &pub);
 453     GNUNET_asprintf (&gns_caller_id,
 454                      "%s",
 455                      GNUNET_GNSRECORD_pkey_to_zkey (&pub));
 456     call = GNUNET_CONVERSATION_call_start (cfg,
 457                                            ego,
 458                                            gns_name,
 459                                            &call_speaker,
 460                                            &call_mic,
 461                                            &call_event_handler,
 462                                            NULL);
 463     return;
 464   }
 465 }
 466
 467
 468 static void
 469 phone_ego_create_cont (void *cls,
 470                        const char *emsg)
 471 {
 472   op = NULL;
 473   GNUNET_assert (NULL == emsg);
 474 }
 475
 476
 477 static void
 478 run (void *cls,
 479      const struct GNUNET_CONFIGURATION_Handle *c,
 480      struct GNUNET_TESTING_Peer *peer)
 481 {
 482   cfg = c;
 483   GNUNET_SCHEDULER_add_delayed (TIMEOUT, &end_test,
 484                                 NULL);
 485   id = GNUNET_IDENTITY_connect (cfg,
 486                                 &identity_cb,
 487                                 NULL);
 488   op = GNUNET_IDENTITY_create (id, "phone-ego", &phone_ego_create_cont, NULL);
 489   ns = GNUNET_NAMESTORE_connect (cfg);
 490 }
 491
 492
 493 int
 494 main (int argc, char *argv[])
 495 {
 496   if (0 != GNUNET_TESTING_peer_run ("test_conversation_api",
 497                                     "test_conversation.conf",
 498                                     &run, NULL))
 499     return 1;
 500   return ok;
 501 }
 502
 503 /* end of test_conversation_api.c */