src/conversation/test_conversation_api_twocalls.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_twocalls.c
  22  * @brief testcase for conversation_api.c
  23  *
  24  * This test performs the operations of TWO calls made to a phone
  25  * where the phone user picks up one, suspends it, picks up the
  26  * second one; eventually, the initiator hangs up, the callee
  27  * resumes the first call, and then the initiator hangs up the
  28  * second call.
  29  */
  30 #include "platform.h"
  31 #include "gnunet_util_lib.h"
  32 #include "gnunet_testing_lib.h"
  33 #include "gnunet_gnsrecord_lib.h"
  34 #include "gnunet_conversation_service.h"
  35 #include "gnunet_identity_service.h"
  36 #include "gnunet_namestore_service.h"
  37
  38 #define FREQ GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MILLISECONDS, 250)
  39
  40 #define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 25)
  41
  42 #define LOG(kind,...)                           \
  43   GNUNET_log (kind, __VA_ARGS__)
  44
  45 #define LOG_DEBUG(...)                          \
  46   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, __VA_ARGS__)
  47
  48 static const struct GNUNET_CONFIGURATION_Handle *cfg;
  49
  50 static struct GNUNET_IDENTITY_Handle *id;
  51
  52 static struct GNUNET_IDENTITY_Operation *op;
  53
  54 static struct GNUNET_CONVERSATION_Phone *phone;
  55
  56 static struct GNUNET_NAMESTORE_Handle *ns;
  57
  58 static struct GNUNET_CONVERSATION_Call *call1;
  59
  60 static struct GNUNET_CONVERSATION_Call *call2;
  61
  62 static struct GNUNET_NAMESTORE_QueueEntry *qe;
  63
  64 static struct GNUNET_CONVERSATION_Caller *active_caller1;
  65
  66 static struct GNUNET_CONVERSATION_Caller *active_caller2;
  67
  68 static char *gns_name;
  69
  70 static char *gns_caller_id;
  71
  72 static GNUNET_MICROPHONE_RecordedDataCallback phone_rdc;
  73
  74 static void *phone_rdc_cls;
  75
  76 static GNUNET_SCHEDULER_TaskIdentifier phone_task;
  77
  78 /**
  79  * Variable for recognizing caller1
  80  */
  81 static const char *caller1 = "caller1";
  82
  83 /**
  84  * Variable for recognizing caller2
  85  */
  86 static const char *caller2 = "caller2";
  87
  88 /**
  89  * Variable for recognizing callee
  90  */
  91 static const char *phone0 = "phone";
  92
  93
  94 #define CALLER1 &caller1
  95 #define CALLER2 &caller2
  96 #define PHONE0 &phone0
  97
  98 #define CLS_STR(caller) (*((char **)caller))
  99
 100
 101 /**
 102  * Did caller1 call finish successfully
 103  */
 104 static int call1_finished;
 105
 106 /**
 107  * Did caller2 call finish successfully
 108  */
 109 static int call2_finished;
 110
 111 struct MicContext
 112 {
 113   GNUNET_MICROPHONE_RecordedDataCallback rdc;
 114
 115   void *rdc_cls;
 116
 117   GNUNET_SCHEDULER_TaskIdentifier call_task;
 118
 119 };
 120
 121 static struct MicContext call1_mic_ctx;
 122 static struct MicContext call2_mic_ctx;
 123 //static struct MicContext phone_mic_ctx;
 124
 125
 126 static void
 127 phone_send (void *cls,
 128             const struct GNUNET_SCHEDULER_TaskContext *tc)
 129 {
 130   char buf[32];
 131
 132   GNUNET_assert (NULL != phone_rdc);
 133   GNUNET_snprintf (buf, sizeof (buf), "phone");
 134   phone_rdc (phone_rdc_cls, strlen (buf) + 1, buf);
 135   phone_task = GNUNET_SCHEDULER_add_delayed (FREQ,
 136                                              &phone_send, NULL);
 137 }
 138
 139
 140 static void
 141 call_send (void *cls,
 142            const struct GNUNET_SCHEDULER_TaskContext *tc)
 143 {
 144   struct MicContext *mc = cls;
 145   char buf[32];
 146
 147   GNUNET_assert (NULL != mc->rdc);
 148   GNUNET_snprintf (buf, sizeof (buf), "call");
 149   mc->rdc (mc->rdc_cls, strlen (buf) + 1, buf);
 150   mc->call_task = GNUNET_SCHEDULER_add_delayed (FREQ,
 151                                                 &call_send, mc);
 152 }
 153
 154
 155 static int
 156 enable_speaker (void *cls)
 157 {
 158   const char *origin = CLS_STR (cls);
 159
 160   LOG_DEBUG ("Speaker %s enabled\n",
 161              origin);
 162   return GNUNET_OK;
 163 }
 164
 165
 166 static void
 167 disable_speaker (void *cls)
 168 {
 169   const char *origin = CLS_STR (cls);
 170
 171   LOG_DEBUG ("Speaker %s disabled\n",
 172              origin);
 173 }
 174
 175
 176 static void
 177 play (void *cls,
 178       size_t data_size,
 179       const void *data)
 180 {
 181   static unsigned int phone_i;
 182   static unsigned int call_i;
 183
 184   if (0 == strncmp ("call", data, data_size))
 185     call_i++;
 186   else if (0 == strncmp ("phone", data, data_size))
 187     phone_i++;
 188   else
 189   {
 190     LOG_DEBUG ("Received unexpected data %.*s\n",
 191                (int) data_size,
 192                (const char *) data);
 193   }
 194
 195   if ( (20 < call_i) &&
 196        (20 < phone_i) &&
 197        (CALLER2 == cls) )
 198   {
 199     /* time to hang up ... */
 200     GNUNET_CONVERSATION_call_stop (call2);
 201     call2 = NULL;
 202     /* reset counters */
 203     call_i = 0;
 204     phone_i = 0;
 205     call2_finished = GNUNET_YES;
 206   }
 207   if ( (20 < call_i) &&
 208        (20 < phone_i) &&
 209        (CALLER1 == cls) )
 210   {
 211     /* time to hang up ... */
 212     GNUNET_CONVERSATION_call_stop (call1);
 213     call1 = NULL;
 214     call_i = 0;
 215     phone_i = 0;
 216     call1_finished = GNUNET_YES;
 217   }
 218 }
 219
 220
 221 static void
 222 destroy_speaker (void *cls)
 223 {
 224   const char *origin = CLS_STR (cls);
 225
 226   LOG_DEBUG ("Speaker %s destroyed\n", origin);
 227 }
 228
 229
 230 static struct GNUNET_SPEAKER_Handle call1_speaker = {
 231   &enable_speaker,
 232   &play,
 233   &disable_speaker,
 234   &destroy_speaker,
 235   CALLER1
 236 };
 237
 238
 239 static struct GNUNET_SPEAKER_Handle call2_speaker = {
 240   &enable_speaker,
 241   &play,
 242   &disable_speaker,
 243   &destroy_speaker,
 244   CALLER2
 245 };
 246
 247
 248 static struct GNUNET_SPEAKER_Handle phone_speaker = {
 249   &enable_speaker,
 250   &play,
 251   &disable_speaker,
 252   &destroy_speaker,
 253   PHONE0
 254 };
 255
 256
 257 static int
 258 enable_mic (void *cls,
 259             GNUNET_MICROPHONE_RecordedDataCallback rdc,
 260             void *rdc_cls)
 261 {
 262   const char *origin = CLS_STR (cls);
 263   struct MicContext *mc;
 264
 265   LOG_DEBUG ("Mic %s enabled\n",
 266              origin);
 267   if (PHONE0 == cls)
 268   {
 269     phone_rdc = rdc;
 270     phone_rdc_cls = rdc_cls;
 271     GNUNET_break (GNUNET_SCHEDULER_NO_TASK == phone_task);
 272     phone_task = GNUNET_SCHEDULER_add_now (&phone_send, NULL);
 273     return GNUNET_OK;
 274   }
 275   mc = (CALLER1 == cls) ? &call1_mic_ctx : &call2_mic_ctx;
 276   mc->rdc = rdc;
 277   mc->rdc_cls = rdc_cls;
 278   GNUNET_break (GNUNET_SCHEDULER_NO_TASK == mc->call_task);
 279   mc->call_task = GNUNET_SCHEDULER_add_now (&call_send, mc);
 280   return GNUNET_OK;
 281 }
 282
 283
 284 static void
 285 disable_mic (void *cls)
 286 {
 287   const char *origin = CLS_STR (cls);
 288   struct MicContext *mc;
 289
 290   LOG_DEBUG ("Mic %s disabled\n",
 291              origin);
 292   if (PHONE0 == cls)
 293   {
 294     phone_rdc = NULL;
 295     phone_rdc_cls = NULL;
 296     GNUNET_SCHEDULER_cancel (phone_task);
 297     phone_task = GNUNET_SCHEDULER_NO_TASK;
 298     return;
 299   }
 300   mc = (CALLER1 == cls) ? &call1_mic_ctx : &call2_mic_ctx;
 301   mc->rdc = NULL;
 302   mc->rdc_cls = NULL;
 303   GNUNET_SCHEDULER_cancel (mc->call_task);
 304   mc->call_task = GNUNET_SCHEDULER_NO_TASK;
 305 }
 306
 307
 308 static void
 309 destroy_mic (void *cls)
 310 {
 311   const char *origin = CLS_STR (cls);
 312
 313   LOG_DEBUG ("Mic %s destroyed\n",
 314              origin);
 315 }
 316
 317
 318 static struct GNUNET_MICROPHONE_Handle call1_mic = {
 319   &enable_mic,
 320   &disable_mic,
 321   &destroy_mic,
 322   CALLER1
 323 };
 324
 325
 326 static struct GNUNET_MICROPHONE_Handle call2_mic = {
 327   &enable_mic,
 328   &disable_mic,
 329   &destroy_mic,
 330   CALLER2
 331 };
 332
 333
 334 static struct GNUNET_MICROPHONE_Handle phone_mic = {
 335   &enable_mic,
 336   &disable_mic,
 337   &destroy_mic,
 338   PHONE0
 339 };
 340
 341
 342 /**
 343  * Signature of the main function of a task.
 344  *
 345  * @param cls closure
 346  * @param tc context information (why was this task triggered now)
 347  */
 348 static void
 349 end_test (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
 350 {
 351   GNUNET_SCHEDULER_shutdown ();
 352   if (NULL != op)
 353   {
 354     GNUNET_IDENTITY_cancel (op);
 355     op = NULL;
 356   }
 357   if (NULL != call1)
 358   {
 359     GNUNET_CONVERSATION_call_stop (call1);
 360     call1 = NULL;
 361   }
 362   if (NULL != call2)
 363   {
 364     GNUNET_CONVERSATION_call_stop (call2);
 365     call2 = NULL;
 366   }
 367   if (NULL != phone)
 368   {
 369     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Disconnecting from PHONE service.\n");
 370     GNUNET_CONVERSATION_phone_destroy (phone);
 371     phone = NULL;
 372   }
 373   if (NULL != id)
 374   {
 375     GNUNET_IDENTITY_disconnect (id);
 376     id = NULL;
 377   }
 378   if (NULL != qe)
 379   {
 380     GNUNET_NAMESTORE_cancel (qe);
 381     qe = NULL;
 382   }
 383   if (NULL != ns)
 384   {
 385     GNUNET_NAMESTORE_disconnect (ns);
 386     ns = NULL;
 387   }
 388 }
 389
 390
 391 static void
 392 caller_event_handler (void *cls,
 393                       enum GNUNET_CONVERSATION_CallerEventCode code)
 394 {
 395   switch (code)
 396   {
 397   case GNUNET_CONVERSATION_EC_CALLER_SUSPEND:
 398   case GNUNET_CONVERSATION_EC_CALLER_RESUME:
 399     LOG (GNUNET_ERROR_TYPE_WARNING, "Unexpected caller code: %d\n", code);
 400     break;
 401   }
 402 }
 403
 404
 405 static void
 406 phone_event_handler (void *cls,
 407                      enum GNUNET_CONVERSATION_PhoneEventCode code,
 408                      struct GNUNET_CONVERSATION_Caller *caller,
 409                      const char *caller_id)
 410 {
 411   const char *cid;
 412
 413   GNUNET_break (0 == strcmp (caller_id,
 414                              gns_caller_id));
 415   switch (code)
 416   {
 417   case GNUNET_CONVERSATION_EC_PHONE_RING:
 418     if (NULL == active_caller1)
 419     {
 420       active_caller1 = caller;
 421       cid = "caller1";
 422       GNUNET_CONVERSATION_caller_pick_up (caller,
 423                                           &caller_event_handler,
 424                                           (void *) cid,
 425                                           &phone_speaker,
 426                                           &phone_mic);
 427     }
 428     else
 429     {
 430       GNUNET_CONVERSATION_caller_suspend (active_caller1);
 431       active_caller2 = caller;
 432       cid = "caller2";
 433       GNUNET_CONVERSATION_caller_pick_up (caller,
 434                                           &caller_event_handler,
 435                                           (void *) cid,
 436                                           &phone_speaker,
 437                                           &phone_mic);
 438     }
 439     break;
 440   case GNUNET_CONVERSATION_EC_PHONE_HUNG_UP:
 441     if (caller == active_caller2)
 442     {
 443       active_caller2 = NULL;
 444       GNUNET_CONVERSATION_caller_resume (active_caller1,
 445                                          &phone_speaker,
 446                                          &phone_mic);
 447     }
 448     else if (caller == active_caller1)
 449     {
 450       active_caller1 = NULL;
 451       GNUNET_break (NULL == active_caller2);
 452       GNUNET_SCHEDULER_shutdown ();
 453     }
 454     break;
 455   default:
 456     LOG (GNUNET_ERROR_TYPE_WARNING, "Unexpected phone code: %d\n", code);
 457     break;
 458   }
 459 }
 460
 461
 462 static void
 463 call_event_handler (void *cls,
 464                     enum GNUNET_CONVERSATION_CallEventCode code)
 465 {
 466   const char *cid = cls;
 467
 468   switch (code)
 469   {
 470   case GNUNET_CONVERSATION_EC_CALL_RINGING:
 471     break;
 472   case GNUNET_CONVERSATION_EC_CALL_PICKED_UP:
 473     LOG_DEBUG ("Call %s picked\n", cid);
 474     break;
 475   case GNUNET_CONVERSATION_EC_CALL_GNS_FAIL:
 476     LOG_DEBUG ("Call %s GNS lookup failed \n", cid);
 477   case GNUNET_CONVERSATION_EC_CALL_HUNG_UP:
 478     LOG_DEBUG ("Call %s hungup\n", cid);
 479     if (0 == strcmp (cid, "call1"))
 480       call1 = NULL;
 481     else
 482       call2 = NULL;
 483     break;
 484   case GNUNET_CONVERSATION_EC_CALL_SUSPENDED:
 485     LOG_DEBUG ("Call %s suspended\n", cid);
 486     break;
 487   case GNUNET_CONVERSATION_EC_CALL_RESUMED:
 488     LOG_DEBUG ("Call %s resumed\n", cid);
 489     break;
 490   case GNUNET_CONVERSATION_EC_CALL_ERROR:
 491     GNUNET_break (0);
 492     break;
 493   }
 494 }
 495
 496
 497 static void
 498 caller_ego_create_cont (void *cls,
 499                         const char *emsg)
 500 {
 501   op = NULL;
 502   GNUNET_assert (NULL == emsg);
 503 }
 504
 505
 506 static void
 507 namestore_put_cont (void *cls,
 508                     int32_t success,
 509                     const char *emsg)
 510 {
 511   qe = NULL;
 512   GNUNET_assert (GNUNET_YES == success);
 513   GNUNET_assert (NULL == emsg);
 514   GNUNET_assert (NULL == op);
 515   op = GNUNET_IDENTITY_create (id, "caller-ego", &caller_ego_create_cont, NULL);
 516 }
 517
 518
 519 static void
 520 identity_cb (void *cls,
 521              struct GNUNET_IDENTITY_Ego *ego,
 522              void **ctx,
 523              const char *name)
 524 {
 525   struct GNUNET_GNSRECORD_Data rd;
 526   struct GNUNET_CRYPTO_EcdsaPublicKey pub;
 527
 528   if (NULL == name)
 529     return;
 530   if (NULL == ego)
 531     return;
 532   if (0 == strcmp (name, "phone-ego"))
 533   {
 534     GNUNET_IDENTITY_ego_get_public_key (ego, &pub);
 535     GNUNET_asprintf (&gns_name,
 536                      "phone.%s",
 537                      GNUNET_GNSRECORD_pkey_to_zkey (&pub));
 538     phone = GNUNET_CONVERSATION_phone_create (cfg,
 539                                               ego,
 540                                               &phone_event_handler,
 541                                               NULL);
 542     GNUNET_assert (NULL != phone);
 543     memset (&rd, 0, sizeof (rd));
 544     GNUNET_CONVERSATION_phone_get_record (phone,
 545                                           &rd);
 546     GNUNET_assert (rd.record_type == GNUNET_GNSRECORD_TYPE_PHONE);
 547     rd.expiration_time = UINT64_MAX;
 548     qe = GNUNET_NAMESTORE_records_store (ns,
 549                                          GNUNET_IDENTITY_ego_get_private_key (ego),
 550                                          "phone" /* GNS label */,
 551                                          1,
 552                                          &rd,
 553                                          &namestore_put_cont,
 554                                          NULL);
 555     return;
 556   }
 557   if (0 == strcmp (name, "caller-ego"))
 558   {
 559     GNUNET_IDENTITY_ego_get_public_key (ego, &pub);
 560     GNUNET_asprintf (&gns_caller_id,
 561                      "%s",
 562                      GNUNET_GNSRECORD_pkey_to_zkey (&pub));
 563     call1 = GNUNET_CONVERSATION_call_start (cfg,
 564                                             ego,
 565                                             gns_name,
 566                                             &call1_speaker,
 567                                             &call1_mic,
 568                                             &call_event_handler,
 569                                             (void *) "call1");
 570     call2 = GNUNET_CONVERSATION_call_start (cfg,
 571                                             ego,
 572                                             gns_name,
 573                                             &call2_speaker,
 574                                             &call2_mic,
 575                                             &call_event_handler,
 576                                             (void *) "call2");
 577     return;
 578   }
 579 }
 580
 581
 582 static void
 583 phone_ego_create_cont (void *cls,
 584                        const char *emsg)
 585 {
 586   op = NULL;
 587   GNUNET_assert (NULL == emsg);
 588 }
 589
 590
 591 static void
 592 run (void *cls,
 593      const struct GNUNET_CONFIGURATION_Handle *c,
 594      struct GNUNET_TESTING_Peer *peer)
 595 {
 596   cfg = c;
 597   GNUNET_SCHEDULER_add_delayed (TIMEOUT, &end_test,
 598                                 NULL);
 599   id = GNUNET_IDENTITY_connect (cfg,
 600                                 &identity_cb,
 601                                 NULL);
 602   op = GNUNET_IDENTITY_create (id, "phone-ego", &phone_ego_create_cont, NULL);
 603   ns = GNUNET_NAMESTORE_connect (cfg);
 604 }
 605
 606
 607 int
 608 main (int argc, char *argv[])
 609 {
 610
 611   if (0 != GNUNET_TESTING_peer_run ("test_conversation_api_twocalls",
 612                                     "test_conversation.conf",
 613                                     &run, NULL))
 614     return 1;
 615   if (call1_finished && call2_finished)
 616     return 0;
 617   return 1;
 618 }
 619
 620 /* end of test_conversation_api_twocalls.c */