+enable_speaker (void *cls)
+{
+ const char *origin = cls;
+
+ fprintf (stderr,
+ "Speaker %s enabled\n",
+ origin);
+ return GNUNET_OK;
+}
+
+
+static void
+disable_speaker (void *cls)
+{
+ const char *origin = cls;
+
+ fprintf (stderr,
+ "Speaker %s disabled\n",
+ origin);
+}
+
+
+static void
+play (void *cls,
+ size_t data_size,
+ const void *data)
+{
+ const char *origin = cls;
+ static unsigned int phone_i = 1;
+ static unsigned int call_i;
+ char buf[32];
+
+ if (0 == strcmp (origin, "phone"))
+ GNUNET_snprintf (buf, sizeof (buf), "call-%u", call_i++);
+ else
+ GNUNET_snprintf (buf, sizeof (buf), "phone-%u", phone_i++);
+ if ( (data_size != strlen (buf) + 1) ||
+ (0 != strncmp (buf, data, data_size)) )
+ {
+ fprintf (stderr,
+ "Expected %s, received %.*s\n",
+ buf,
+ (int) data_size,
+ (const char *) data);
+ }
+ else
+ {
+ fprintf (stderr, ".");
+ }
+ if ( (20 < call_i) &&
+ (20 < phone_i) &&
+ (NULL != call) )
+ {
+ /* time to hang up ... */
+ GNUNET_CONVERSATION_call_stop (call);
+ call = NULL;
+ }
+}
+
+
+static void
+destroy_speaker (void *cls)
+{
+ const char *origin = cls;
+
+ fprintf (stderr, "Speaker %s destroyed\n", origin);
+}
+
+
+static struct GNUNET_SPEAKER_Handle call_speaker = {
+ &enable_speaker,
+ &play,
+ &disable_speaker,
+ &destroy_speaker,
+ "caller"
+};
+
+
+static struct GNUNET_SPEAKER_Handle phone_speaker = {
+ &enable_speaker,
+ &play,
+ &disable_speaker,
+ &destroy_speaker,
+ "phone"
+};
+
+
+static int
+enable_mic (void *cls,
+ GNUNET_MICROPHONE_RecordedDataCallback rdc,
+ void *rdc_cls)
+{
+ const char *origin = cls;
+
+ fprintf (stderr,
+ "Mic %s enabled\n",
+ origin);
+ if (0 == strcmp (origin, "phone"))
+ {
+ phone_rdc = rdc;
+ phone_rdc_cls = rdc_cls;
+ phone_task = GNUNET_SCHEDULER_add_now (&phone_send, NULL);
+ }
+ else
+ {
+ call_rdc = rdc;
+ call_rdc_cls = rdc_cls;
+ call_task = GNUNET_SCHEDULER_add_now (&call_send, NULL);
+ }
+ return GNUNET_OK;
+}
+
+
+static void
+disable_mic (void *cls)
+{
+ const char *origin = cls;
+
+ fprintf (stderr,
+ "Mic %s disabled\n",
+ origin);
+ if (0 == strcmp (origin, "phone"))
+ {
+ phone_rdc = NULL;
+ phone_rdc_cls = NULL;
+ GNUNET_SCHEDULER_cancel (phone_task);
+ phone_task = NULL;
+ }
+ else
+ {
+ call_rdc = NULL;
+ call_rdc_cls = NULL;
+ GNUNET_SCHEDULER_cancel (call_task);
+ call_task = NULL;
+ }
+}
+
+
+static void
+destroy_mic (void *cls)
+{
+ const char *origin = cls;
+
+ fprintf (stderr,
+ "Mic %s destroyed\n",
+ origin);
+}
+
+
+static struct GNUNET_MICROPHONE_Handle call_mic = {
+ &enable_mic,
+ &disable_mic,
+ &destroy_mic,
+ "caller"
+};
+
+
+static struct GNUNET_MICROPHONE_Handle phone_mic = {
+ &enable_mic,
+ &disable_mic,
+ &destroy_mic,
+ "phone"
+};
+
+
+/**
+ * Signature of the main function of a task.
+ *
+ * @param cls closure
+ * @param tc context information (why was this task triggered now)
+ */
+static void
+end_test (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+ GNUNET_SCHEDULER_shutdown ();
+ if (NULL != op)
+ {
+ GNUNET_IDENTITY_cancel (op);
+ op = NULL;
+ }
+ if (NULL != call)
+ {
+ GNUNET_CONVERSATION_call_stop (call);
+ call = NULL;
+ }
+ if (NULL != phone)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Disconnecting from PHONE service.\n");
+ GNUNET_CONVERSATION_phone_destroy (phone);
+ phone = NULL;
+ }
+ if (NULL != id)
+ {
+ GNUNET_IDENTITY_disconnect (id);
+ id = NULL;
+ }
+ if (NULL != qe)
+ {
+ GNUNET_NAMESTORE_cancel (qe);
+ qe = NULL;
+ }
+ if (NULL != ns)
+ {
+ GNUNET_NAMESTORE_disconnect (ns);
+ ns = NULL;
+ }
+}
+
+
+static void
+caller_event_handler (void *cls,
+ enum GNUNET_CONVERSATION_CallerEventCode code)
+{
+ switch (code)
+ {
+ case GNUNET_CONVERSATION_EC_CALLER_SUSPEND:
+ case GNUNET_CONVERSATION_EC_CALLER_RESUME:
+ fprintf (stderr, "Unexpected caller code: %d\n", code);
+ break;
+ }
+}
+
+
+static void
+phone_event_handler (void *cls,
+ enum GNUNET_CONVERSATION_PhoneEventCode code,
+ struct GNUNET_CONVERSATION_Caller *caller,
+ const struct GNUNET_CRYPTO_EcdsaPublicKey *caller_id)
+{
+ static enum GNUNET_CONVERSATION_PhoneEventCode expect
+ = GNUNET_CONVERSATION_EC_PHONE_RING;
+
+ GNUNET_break (code == expect);
+ switch (code)
+ {
+ case GNUNET_CONVERSATION_EC_PHONE_RING:
+ active_caller = caller;
+ GNUNET_CONVERSATION_caller_pick_up (caller,
+ &caller_event_handler,
+ NULL,
+ &phone_speaker,
+ &phone_mic);
+ expect = GNUNET_CONVERSATION_EC_PHONE_HUNG_UP;
+ break;
+ case GNUNET_CONVERSATION_EC_PHONE_HUNG_UP:
+ GNUNET_break (caller == active_caller);
+ active_caller = NULL;
+ ok = 0;
+ GNUNET_SCHEDULER_shutdown ();
+ break;
+ default:
+ fprintf (stderr, "Unexpected phone code: %d\n", code);
+ break;
+ }
+}
+
+
+static void
+call_event_handler (void *cls,
+ enum GNUNET_CONVERSATION_CallEventCode code)
+{
+ static enum GNUNET_CONVERSATION_CallEventCode expect
+ = GNUNET_CONVERSATION_EC_CALL_RINGING;
+
+ GNUNET_break (code == expect);
+ switch (code)
+ {
+ case GNUNET_CONVERSATION_EC_CALL_RINGING:
+ expect = GNUNET_CONVERSATION_EC_CALL_PICKED_UP;
+ break;
+ case GNUNET_CONVERSATION_EC_CALL_PICKED_UP:
+ expect = -1;
+ break;
+ case GNUNET_CONVERSATION_EC_CALL_GNS_FAIL:
+ case GNUNET_CONVERSATION_EC_CALL_HUNG_UP:
+ call = NULL;
+ fprintf (stderr, "Unexpected call code: %d\n", code);
+ break;
+ case GNUNET_CONVERSATION_EC_CALL_SUSPENDED:
+ case GNUNET_CONVERSATION_EC_CALL_RESUMED:
+ case GNUNET_CONVERSATION_EC_CALL_ERROR:
+ fprintf (stderr, "Unexpected call code: %d\n", code);
+ break;
+ }
+}
+
+
+static void
+caller_ego_create_cont (void *cls,
+ const char *emsg)
+{
+ op = NULL;
+ GNUNET_assert (NULL == emsg);
+}
+
+
+static void
+namestore_put_cont (void *cls,
+ int32_t success,
+ const char *emsg)
+{
+ qe = NULL;
+ GNUNET_assert (GNUNET_YES == success);
+ GNUNET_assert (NULL == emsg);
+ GNUNET_assert (NULL == op);
+ op = GNUNET_IDENTITY_create (id, "caller-ego", &caller_ego_create_cont, NULL);
+}
+
+
+static void
+identity_cb (void *cls,
+ struct GNUNET_IDENTITY_Ego *ego,
+ void **ctx,
+ const char *name)
+{
+ struct GNUNET_GNSRECORD_Data rd;
+ struct GNUNET_CRYPTO_EcdsaPublicKey pub;
+
+ if (NULL == name)
+ return;
+ if (NULL == ego)
+ return;
+ if (0 == strcmp (name, "phone-ego"))
+ {
+ GNUNET_IDENTITY_ego_get_public_key (ego, &pub);
+ GNUNET_asprintf (&gns_name,
+ "phone.%s",
+ GNUNET_GNSRECORD_pkey_to_zkey (&pub));
+ phone = GNUNET_CONVERSATION_phone_create (cfg,
+ ego,
+ &phone_event_handler,
+ NULL);
+ GNUNET_assert (NULL != phone);
+ memset (&rd, 0, sizeof (rd));
+ GNUNET_CONVERSATION_phone_get_record (phone,
+ &rd);
+ GNUNET_assert (rd.record_type == GNUNET_GNSRECORD_TYPE_PHONE);
+ rd.expiration_time = UINT64_MAX;
+ qe = GNUNET_NAMESTORE_records_store (ns,
+ GNUNET_IDENTITY_ego_get_private_key (ego),
+ "phone" /* GNS label */,
+ 1,
+ &rd,
+ &namestore_put_cont,
+ NULL);
+ return;
+ }
+ if (0 == strcmp (name, "caller-ego"))
+ {
+ GNUNET_IDENTITY_ego_get_public_key (ego, &pub);
+ GNUNET_asprintf (&gns_caller_id,
+ "%s",
+ GNUNET_GNSRECORD_pkey_to_zkey (&pub));
+ call = GNUNET_CONVERSATION_call_start (cfg,
+ ego,
+ ego,
+ gns_name,
+ &call_speaker,
+ &call_mic,
+ &call_event_handler,
+ NULL);
+ return;
+ }
+}
+
+
+static void
+phone_ego_create_cont (void *cls,
+ const char *emsg)
+{
+ op = NULL;
+ GNUNET_assert (NULL == emsg);
+}
+
+
+static void
+run (void *cls,
+ const struct GNUNET_CONFIGURATION_Handle *c,
+ struct GNUNET_TESTING_Peer *peer)
+{
+ cfg = c;
+ GNUNET_SCHEDULER_add_delayed (TIMEOUT, &end_test,
+ NULL);
+ id = GNUNET_IDENTITY_connect (cfg,
+ &identity_cb,
+ NULL);
+ op = GNUNET_IDENTITY_create (id, "phone-ego", &phone_ego_create_cont, NULL);
+ ns = GNUNET_NAMESTORE_connect (cfg);