src/conversation/test_conversation_api.c

   1 /*
   2      This file is part of GNUnet.
   3      Copyright (C) 2013, 2014 GNUnet e.V.
   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., 51 Franklin Street, Fifth Floor,
  18      Boston, MA 02110-1301, 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 struct GNUNET_SCHEDULER_Task *phone_task;
  71
  72 static struct GNUNET_SCHEDULER_Task *call_task;
  73
  74
  75 static void
  76 phone_send (void *cls)
  77 {
  78   static unsigned int i;
  79   char buf[32];
  80
  81   GNUNET_assert (NULL != phone_rdc);
  82   GNUNET_snprintf (buf, sizeof (buf), "phone-%u", i++);
  83   phone_rdc (phone_rdc_cls, strlen (buf) + 1, buf);
  84   phone_task = GNUNET_SCHEDULER_add_delayed (FREQ,
  85                                              &phone_send, NULL);
  86 }
  87
  88
  89 static void
  90 call_send (void *cls)
  91 {
  92   static unsigned int i;
  93   char buf[32];
  94
  95   GNUNET_assert (NULL != call_rdc);
  96   GNUNET_snprintf (buf, sizeof (buf), "call-%u", i++);
  97   call_rdc (call_rdc_cls, strlen (buf) + 1, buf);
  98   call_task = GNUNET_SCHEDULER_add_delayed (FREQ,
  99                                             &call_send, NULL);
 100 }
 101
 102
 103 static int
 104 enable_speaker (void *cls)
 105 {
 106   const char *origin = cls;
 107
 108   fprintf (stderr,
 109            "Speaker %s enabled\n",
 110            origin);
 111   return GNUNET_OK;
 112 }
 113
 114
 115 static void
 116 disable_speaker (void *cls)
 117 {
 118   const char *origin = cls;
 119
 120   fprintf (stderr,
 121            "Speaker %s disabled\n",
 122            origin);
 123 }
 124
 125
 126 static void
 127 play (void *cls,
 128       size_t data_size,
 129       const void *data)
 130 {
 131   const char *origin = cls;
 132   static unsigned int phone_i = 1;
 133   static unsigned int call_i;
 134   char buf[32];
 135
 136   if (0 == strcmp (origin, "phone"))
 137     GNUNET_snprintf (buf, sizeof (buf), "call-%u", call_i++);
 138   else
 139     GNUNET_snprintf (buf, sizeof (buf), "phone-%u", phone_i++);
 140   if ( (data_size != strlen (buf) + 1) ||
 141        (0 != strncmp (buf, data, data_size)) )
 142   {
 143     fprintf (stderr,
 144              "Expected %s, received %.*s\n",
 145              buf,
 146              (int) data_size,
 147              (const char *) data);
 148   }
 149   else
 150   {
 151     fprintf (stderr, ".");
 152   }
 153   if ( (20 < call_i) &&
 154        (20 < phone_i) &&
 155        (NULL != call) )
 156   {
 157     /* time to hang up ... */
 158     GNUNET_CONVERSATION_call_stop (call);
 159     call = NULL;
 160   }
 161 }
 162
 163
 164 static void
 165 destroy_speaker (void *cls)
 166 {
 167   const char *origin = cls;
 168
 169   fprintf (stderr, "Speaker %s destroyed\n", origin);
 170 }
 171
 172
 173 static struct GNUNET_SPEAKER_Handle call_speaker = {
 174   &enable_speaker,
 175   &play,
 176   &disable_speaker,
 177   &destroy_speaker,
 178   "caller"
 179 };
 180
 181
 182 static struct GNUNET_SPEAKER_Handle phone_speaker = {
 183   &enable_speaker,
 184   &play,
 185   &disable_speaker,
 186   &destroy_speaker,
 187   "phone"
 188 };
 189
 190
 191 static int
 192 enable_mic (void *cls,
 193             GNUNET_MICROPHONE_RecordedDataCallback rdc,
 194             void *rdc_cls)
 195 {
 196   const char *origin = cls;
 197
 198   fprintf (stderr,
 199            "Mic %s enabled\n",
 200            origin);
 201   if (0 == strcmp (origin, "phone"))
 202   {
 203     phone_rdc = rdc;
 204     phone_rdc_cls = rdc_cls;
 205     phone_task = GNUNET_SCHEDULER_add_now (&phone_send, NULL);
 206   }
 207   else
 208   {
 209     call_rdc = rdc;
 210     call_rdc_cls = rdc_cls;
 211     call_task = GNUNET_SCHEDULER_add_now (&call_send, NULL);
 212   }
 213   return GNUNET_OK;
 214 }
 215
 216
 217 static void
 218 disable_mic (void *cls)
 219 {
 220   const char *origin = cls;
 221
 222   fprintf (stderr,
 223            "Mic %s disabled\n",
 224            origin);
 225   if (0 == strcmp (origin, "phone"))
 226   {
 227     phone_rdc = NULL;
 228     phone_rdc_cls = NULL;
 229     GNUNET_SCHEDULER_cancel (phone_task);
 230     phone_task = NULL;
 231   }
 232   else
 233   {
 234     call_rdc = NULL;
 235     call_rdc_cls = NULL;
 236     GNUNET_SCHEDULER_cancel (call_task);
 237     call_task = NULL;
 238   }
 239 }
 240
 241
 242 static void
 243 destroy_mic (void *cls)
 244 {
 245   const char *origin = cls;
 246
 247   fprintf (stderr,
 248            "Mic %s destroyed\n",
 249            origin);
 250 }
 251
 252
 253 static struct GNUNET_MICROPHONE_Handle call_mic = {
 254   &enable_mic,
 255   &disable_mic,
 256   &destroy_mic,
 257   "caller"
 258 };
 259
 260
 261 static struct GNUNET_MICROPHONE_Handle phone_mic = {
 262   &enable_mic,
 263   &disable_mic,
 264   &destroy_mic,
 265   "phone"
 266 };
 267
 268
 269 /**
 270  * Signature of the main function of a task.
 271  *
 272  * @param cls closure
 273  */
 274 static void
 275 end_test (void *cls)
 276 {
 277   GNUNET_SCHEDULER_shutdown ();
 278   if (NULL != op)
 279   {
 280     GNUNET_IDENTITY_cancel (op);
 281     op = NULL;
 282   }
 283   if (NULL != call)
 284   {
 285     GNUNET_CONVERSATION_call_stop (call);
 286     call = NULL;
 287   }
 288   if (NULL != phone)
 289   {
 290     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Disconnecting from PHONE service.\n");
 291     GNUNET_CONVERSATION_phone_destroy (phone);
 292     phone = NULL;
 293   }
 294   if (NULL != id)
 295   {
 296     GNUNET_IDENTITY_disconnect (id);
 297     id = NULL;
 298   }
 299   if (NULL != qe)
 300   {
 301     GNUNET_NAMESTORE_cancel (qe);
 302     qe = NULL;
 303   }
 304   if (NULL != ns)
 305   {
 306     GNUNET_NAMESTORE_disconnect (ns);
 307     ns = NULL;
 308   }
 309 }
 310
 311
 312 static void
 313 caller_event_handler (void *cls,
 314                       enum GNUNET_CONVERSATION_CallerEventCode code)
 315 {
 316   switch (code)
 317   {
 318   case GNUNET_CONVERSATION_EC_CALLER_SUSPEND:
 319   case GNUNET_CONVERSATION_EC_CALLER_RESUME:
 320     fprintf (stderr,
 321              "Unexpected caller code: %d\n",
 322              code);
 323     break;
 324   }
 325 }
 326
 327
 328 static void
 329 phone_event_handler (void *cls,
 330                      enum GNUNET_CONVERSATION_PhoneEventCode code,
 331                      struct GNUNET_CONVERSATION_Caller *caller,
 332                      const struct GNUNET_CRYPTO_EcdsaPublicKey *caller_id)
 333 {
 334   static enum GNUNET_CONVERSATION_PhoneEventCode expect
 335     = GNUNET_CONVERSATION_EC_PHONE_RING;
 336
 337   GNUNET_break (code == expect);
 338   switch (code)
 339   {
 340   case GNUNET_CONVERSATION_EC_PHONE_RING:
 341     active_caller = caller;
 342     GNUNET_CONVERSATION_caller_pick_up (caller,
 343                                         &caller_event_handler,
 344                                         NULL,
 345                                         &phone_speaker,
 346                                         &phone_mic);
 347     expect = GNUNET_CONVERSATION_EC_PHONE_HUNG_UP;
 348     break;
 349   case GNUNET_CONVERSATION_EC_PHONE_HUNG_UP:
 350     GNUNET_break (caller == active_caller);
 351     active_caller = NULL;
 352     if (1 == ok)
 353       ok = 0;
 354     GNUNET_SCHEDULER_shutdown ();
 355     break;
 356   default:
 357     fprintf (stderr,
 358              "Unexpected phone code: %d\n",
 359              code);
 360     break;
 361   }
 362 }
 363
 364
 365 static void
 366 call_event_handler (void *cls,
 367                     enum GNUNET_CONVERSATION_CallEventCode code)
 368 {
 369   static enum GNUNET_CONVERSATION_CallEventCode expect
 370     = GNUNET_CONVERSATION_EC_CALL_RINGING;
 371
 372   GNUNET_break (code == expect);
 373   switch (code)
 374   {
 375   case GNUNET_CONVERSATION_EC_CALL_RINGING:
 376     expect = GNUNET_CONVERSATION_EC_CALL_PICKED_UP;
 377     break;
 378   case GNUNET_CONVERSATION_EC_CALL_PICKED_UP:
 379     expect = -1;
 380     break;
 381   case GNUNET_CONVERSATION_EC_CALL_GNS_FAIL:
 382   case GNUNET_CONVERSATION_EC_CALL_HUNG_UP:
 383     call = NULL;
 384     ok = 2;
 385     GNUNET_break (0);
 386     fprintf (stderr, "Unexpected call code: %d\n", code);
 387     break;
 388   case GNUNET_CONVERSATION_EC_CALL_SUSPENDED:
 389   case GNUNET_CONVERSATION_EC_CALL_RESUMED:
 390     GNUNET_break (0);
 391     fprintf (stderr, "Unexpected call code: %d\n", code);
 392     ok = 2;
 393     break;
 394   case GNUNET_CONVERSATION_EC_CALL_ERROR:
 395     GNUNET_break (0);
 396     fprintf (stderr, "Unexpected call code: %d\n", code);
 397     call = NULL;
 398     ok = 2;
 399     break;
 400   }
 401 }
 402
 403
 404 static void
 405 caller_ego_create_cont (void *cls,
 406                         const char *emsg)
 407 {
 408   op = NULL;
 409   GNUNET_assert (NULL == emsg);
 410 }
 411
 412
 413 static void
 414 namestore_put_cont (void *cls,
 415                     int32_t success,
 416                     const char *emsg)
 417 {
 418   qe = NULL;
 419   GNUNET_assert (GNUNET_YES == success);
 420   GNUNET_assert (NULL == emsg);
 421   GNUNET_assert (NULL == op);
 422   op = GNUNET_IDENTITY_create (id, "caller-ego", &caller_ego_create_cont, NULL);
 423 }
 424
 425
 426 static void
 427 identity_cb (void *cls,
 428              struct GNUNET_IDENTITY_Ego *ego,
 429              void **ctx,
 430              const char *name)
 431 {
 432   struct GNUNET_GNSRECORD_Data rd;
 433   struct GNUNET_CRYPTO_EcdsaPublicKey pub;
 434
 435   if (NULL == name)
 436     return;
 437   if (NULL == ego)
 438     return;
 439   if (0 == strcmp (name, "phone-ego"))
 440   {
 441     GNUNET_IDENTITY_ego_get_public_key (ego, &pub);
 442     GNUNET_asprintf (&gns_name,
 443                      "phone.%s",
 444                      GNUNET_GNSRECORD_pkey_to_zkey (&pub));
 445     phone = GNUNET_CONVERSATION_phone_create (cfg,
 446                                               ego,
 447                                               &phone_event_handler,
 448                                               NULL);
 449     GNUNET_assert (NULL != phone);
 450     memset (&rd, 0, sizeof (rd));
 451     GNUNET_CONVERSATION_phone_get_record (phone,
 452                                           &rd);
 453     GNUNET_assert (rd.record_type == GNUNET_GNSRECORD_TYPE_PHONE);
 454     rd.expiration_time = UINT64_MAX;
 455     qe = GNUNET_NAMESTORE_records_store (ns,
 456                                          GNUNET_IDENTITY_ego_get_private_key (ego),
 457                                          "phone" /* GNS label */,
 458                                          1,
 459                                          &rd,
 460                                          &namestore_put_cont,
 461                                          NULL);
 462     return;
 463   }
 464   if (0 == strcmp (name, "caller-ego"))
 465   {
 466     GNUNET_IDENTITY_ego_get_public_key (ego, &pub);
 467     GNUNET_asprintf (&gns_caller_id,
 468                      "%s",
 469                      GNUNET_GNSRECORD_pkey_to_zkey (&pub));
 470     call = GNUNET_CONVERSATION_call_start (cfg,
 471                                            ego,
 472                                            ego,
 473                                            gns_name,
 474                                            &call_speaker,
 475                                            &call_mic,
 476                                            &call_event_handler,
 477                                            NULL);
 478     return;
 479   }
 480 }
 481
 482
 483 static void
 484 phone_ego_create_cont (void *cls,
 485                        const char *emsg)
 486 {
 487   op = NULL;
 488   GNUNET_assert (NULL == emsg);
 489 }
 490
 491
 492 static void
 493 run (void *cls,
 494      const struct GNUNET_CONFIGURATION_Handle *c,
 495      struct GNUNET_TESTING_Peer *peer)
 496 {
 497   cfg = c;
 498   GNUNET_SCHEDULER_add_delayed (TIMEOUT, &end_test,
 499                                 NULL);
 500   id = GNUNET_IDENTITY_connect (cfg,
 501                                 &identity_cb,
 502                                 NULL);
 503   op = GNUNET_IDENTITY_create (id, "phone-ego", &phone_ego_create_cont, NULL);
 504   ns = GNUNET_NAMESTORE_connect (cfg);
 505 }
 506
 507
 508 int
 509 main (int argc, char *argv[])
 510 {
 511   if (0 != GNUNET_TESTING_peer_run ("test_conversation_api",
 512                                     "test_conversation.conf",
 513                                     &run, NULL))
 514     return 1;
 515   return ok;
 516 }
 517
 518 /* end of test_conversation_api.c */