/*
This file is part of GNUnet
- (C) 2013 Christian Grothoff (and other contributing authors)
+ Copyright (C) 2013 GNUnet e.V.
GNUnet is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
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.
+ Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
*/
/**
*/
struct GNUNET_IDENTITY_Ego *caller_id;
+ /**
+ * GNS zone to use to resolve @e callee.
+ */
+ struct GNUNET_IDENTITY_Ego *zone_id;
+
/**
* Target callee as a GNS address/name.
*/
break;
case CS_ACTIVE:
call->state = CS_SUSPENDED_CALLEE;
- call->event_handler (call->event_handler_cls,
- GNUNET_CONVERSATION_EC_CALL_SUSPENDED);
call->speaker->disable_speaker (call->speaker->cls);
call->mic->disable_microphone (call->mic->cls);
+ call->event_handler (call->event_handler_cls,
+ GNUNET_CONVERSATION_EC_CALL_SUSPENDED);
break;
case CS_SHUTDOWN:
GNUNET_CONVERSATION_call_stop (call);
break;
case CS_SUSPENDED_CALLEE:
call->state = CS_ACTIVE;
- call->event_handler (call->event_handler_cls,
- GNUNET_CONVERSATION_EC_CALL_RESUMED);
call->speaker->enable_speaker (call->speaker->cls);
call->mic->enable_microphone (call->mic->cls,
&transmit_call_audio,
call);
+ call->event_handler (call->event_handler_cls,
+ GNUNET_CONVERSATION_EC_CALL_RESUMED);
break;
case CS_SUSPENDED_BOTH:
call->state = CS_SUSPENDED_CALLER;
break;
case CS_RINGING:
call->state = CS_ACTIVE;
- call->event_handler (call->event_handler_cls,
- GNUNET_CONVERSATION_EC_CALL_PICKED_UP);
call->speaker->enable_speaker (call->speaker->cls);
call->mic->enable_microphone (call->mic->cls,
&transmit_call_audio,
call);
+ call->event_handler (call->event_handler_cls,
+ GNUNET_CONVERSATION_EC_CALL_PICKED_UP);
break;
case CS_SUSPENDED_CALLER:
case CS_SUSPENDED_CALLEE:
const struct GNUNET_MessageHeader *msg)
{
struct GNUNET_CONVERSATION_Call *call = cls;
+ GNUNET_CONVERSATION_CallEventHandler eh;
+ void *eh_cls;
switch (call->state)
{
case CS_SUSPENDED_CALLEE:
case CS_SUSPENDED_BOTH:
case CS_ACTIVE:
- call->event_handler (call->event_handler_cls,
- GNUNET_CONVERSATION_EC_CALL_HUNG_UP);
+ eh = call->event_handler;
+ eh_cls = call->event_handler_cls;
GNUNET_CONVERSATION_call_stop (call);
+ eh (eh_cls, GNUNET_CONVERSATION_EC_CALL_HUNG_UP);
return;
case CS_SHUTDOWN:
GNUNET_CONVERSATION_call_stop (call);
break;
case CS_SUSPENDED_CALLEE:
case CS_SUSPENDED_BOTH:
- /* can (rarely) also happen: other peer suspended, but mesh might
+ /* can (rarely) also happen: other peer suspended, but cadet might
have had delayed data on the unreliable channel */
break;
case CS_ACTIVE:
struct GNUNET_MQ_Envelope *e;
struct ClientCallMessage *ccm;
+ GNUNET_break (NULL != call->gns_lookup);
+ GNUNET_break (CS_LOOKUP == call->state);
call->gns_lookup = NULL;
for (i=0;i<rd_count;i++)
{
{
struct GNUNET_CONVERSATION_Call *call = cls;
- GNUNET_break (0);
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("Internal MQ error %d\n"),
- error);
+ if (CS_SHUTDOWN == call->state)
+ {
+ GNUNET_CONVERSATION_call_stop (call);
+ return;
+ }
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ _("Connection to conversation service lost, trying to reconnect\n"));
reconnect_call (call);
}
static void
reconnect_call (struct GNUNET_CONVERSATION_Call *call)
{
- static struct GNUNET_MQ_MessageHandler handlers[] =
- {
- { &handle_call_suspend,
- GNUNET_MESSAGE_TYPE_CONVERSATION_CS_PHONE_SUSPEND,
- sizeof (struct ClientPhoneSuspendMessage) },
- { &handle_call_resume,
- GNUNET_MESSAGE_TYPE_CONVERSATION_CS_PHONE_RESUME,
- sizeof (struct ClientPhoneResumeMessage) },
- { &handle_call_picked_up,
- GNUNET_MESSAGE_TYPE_CONVERSATION_CS_PHONE_PICKED_UP,
- sizeof (struct ClientPhonePickedupMessage) },
- { &handle_call_hangup,
- GNUNET_MESSAGE_TYPE_CONVERSATION_CS_PHONE_HANG_UP,
- sizeof (struct ClientPhoneHangupMessage) },
- { &handle_call_audio_message,
- GNUNET_MESSAGE_TYPE_CONVERSATION_CS_AUDIO,
- 0 },
- { NULL, 0, 0 }
- };
- struct GNUNET_CRYPTO_EcdsaPublicKey my_zone;
-
if (CS_ACTIVE == call->state)
{
call->speaker->disable_speaker (call->speaker->cls);
call->client = NULL;
}
call->state = CS_SHUTDOWN;
- call->client = GNUNET_CLIENT_connect ("conversation", call->cfg);
- if (NULL == call->client)
- return;
- call->mq = GNUNET_MQ_queue_for_connection_client (call->client,
- handlers,
- &call_error_handler,
- call);
- call->state = CS_LOOKUP;
- GNUNET_IDENTITY_ego_get_public_key (call->caller_id,
- &my_zone);
- call->gns_lookup = GNUNET_GNS_lookup (call->gns,
- call->callee,
- &my_zone,
- GNUNET_GNSRECORD_TYPE_PHONE,
- GNUNET_NO,
- NULL /* FIXME: add shortening support */,
- &handle_gns_response, call);
- GNUNET_assert (NULL != call->gns_lookup);
+ call->event_handler (call->event_handler_cls,
+ GNUNET_CONVERSATION_EC_CALL_ERROR);
+ GNUNET_CONVERSATION_call_stop (call);
}
*
* @param cfg configuration to use, specifies our phone service
* @param caller_id identity of the caller
+ * @param zone_id GNS zone to use to resolve @a callee
* @param callee GNS name of the callee (used to locate the callee's record)
* @param speaker speaker to use (will be used automatically immediately once the
- * #GNUNET_CONVERSATION_EC_READY event is generated); we will NOT generate
+ * #GNUNET_CONVERSATION_EC_CALL_PICKED_UP event is generated); we will NOT generate
* a ring tone on the speaker
* @param mic microphone to use (will be used automatically immediately once the
- * #GNUNET_CONVERSATION_EC_READY event is generated)
+ * #GNUNET_CONVERSATION_EC_CALL_PICKED_UP event is generated)
* @param event_handler how to notify the owner of the phone about events
* @param event_handler_cls closure for @a event_handler
+ * @return handle for the call, NULL on hard errors
*/
struct GNUNET_CONVERSATION_Call *
GNUNET_CONVERSATION_call_start (const struct GNUNET_CONFIGURATION_Handle *cfg,
struct GNUNET_IDENTITY_Ego *caller_id,
+ struct GNUNET_IDENTITY_Ego *zone_id,
const char *callee,
struct GNUNET_SPEAKER_Handle *speaker,
struct GNUNET_MICROPHONE_Handle *mic,
GNUNET_CONVERSATION_CallEventHandler event_handler,
void *event_handler_cls)
{
+ static struct GNUNET_MQ_MessageHandler handlers[] =
+ {
+ { &handle_call_suspend,
+ GNUNET_MESSAGE_TYPE_CONVERSATION_CS_PHONE_SUSPEND,
+ sizeof (struct ClientPhoneSuspendMessage) },
+ { &handle_call_resume,
+ GNUNET_MESSAGE_TYPE_CONVERSATION_CS_PHONE_RESUME,
+ sizeof (struct ClientPhoneResumeMessage) },
+ { &handle_call_picked_up,
+ GNUNET_MESSAGE_TYPE_CONVERSATION_CS_PHONE_PICKED_UP,
+ sizeof (struct ClientPhonePickedupMessage) },
+ { &handle_call_hangup,
+ GNUNET_MESSAGE_TYPE_CONVERSATION_CS_PHONE_HANG_UP,
+ sizeof (struct ClientPhoneHangupMessage) },
+ { &handle_call_audio_message,
+ GNUNET_MESSAGE_TYPE_CONVERSATION_CS_AUDIO,
+ 0 },
+ { NULL, 0, 0 }
+ };
+ struct GNUNET_CRYPTO_EcdsaPublicKey my_zone;
struct GNUNET_CONVERSATION_Call *call;
call = GNUNET_new (struct GNUNET_CONVERSATION_Call);
+ call->client = GNUNET_CLIENT_connect ("conversation", cfg);
+ if (NULL == call->client)
+ {
+ GNUNET_break (0);
+ GNUNET_free (call);
+ return NULL;
+ }
call->cfg = cfg;
call->caller_id = caller_id;
+ call->zone_id = zone_id;
call->callee = GNUNET_strdup (callee);
call->speaker = speaker;
call->mic = mic;
call->event_handler = event_handler;
call->event_handler_cls = event_handler_cls;
call->gns = GNUNET_GNS_connect (cfg);
- reconnect_call (call);
-
- if ( (NULL == call->client) ||
- (NULL == call->gns) )
+ if (NULL == call->gns)
{
GNUNET_CONVERSATION_call_stop (call);
return NULL;
}
+ call->mq = GNUNET_MQ_queue_for_connection_client (call->client,
+ handlers,
+ &call_error_handler,
+ call);
+ call->state = CS_LOOKUP;
+ GNUNET_IDENTITY_ego_get_public_key (call->zone_id,
+ &my_zone);
+ call->gns_lookup = GNUNET_GNS_lookup (call->gns,
+ call->callee,
+ &my_zone,
+ GNUNET_GNSRECORD_TYPE_PHONE,
+ GNUNET_NO,
+ NULL /* FIXME: add shortening support */,
+ &handle_gns_response, call);
+ GNUNET_assert (NULL != call->gns_lookup);
return call;
}
-/**
- * We've sent the hang up message, now finish terminating the call.
- *
- * @param cls the `struct GNUNET_CONVERSATION_Call` to terminate
- */
-static void
-finish_stop (void *cls)
-{
- struct GNUNET_CONVERSATION_Call *call = cls;
-
- GNUNET_assert (CS_SHUTDOWN == call->state);
- GNUNET_CONVERSATION_call_stop (call);
-}
-
-
/**
* Terminate a call. The call may be ringing or ready at this time.
*
* @param call call to terminate
- * @param reason if the call was active (ringing or ready) this will be the
- * reason given to the other user for why we hung up
*/
void
GNUNET_CONVERSATION_call_stop (struct GNUNET_CONVERSATION_Call *call)
{
- struct GNUNET_MQ_Envelope *e;
- struct ClientPhoneHangupMessage *hang;
-
if ( (NULL != call->speaker) &&
(CS_ACTIVE == call->state) )
call->speaker->disable_speaker (call->speaker->cls);
call->mic->disable_microphone (call->mic->cls);
if (CS_SHUTDOWN != call->state)
{
- e = GNUNET_MQ_msg (hang, GNUNET_MESSAGE_TYPE_CONVERSATION_CS_PHONE_HANG_UP);
- GNUNET_MQ_notify_sent (e, &finish_stop, call);
- GNUNET_MQ_send (call->mq, e);
call->state = CS_SHUTDOWN;
- return;
}
if (NULL != call->mq)
{
void
GNUNET_CONVERSATION_call_suspend (struct GNUNET_CONVERSATION_Call *call)
{
- GNUNET_break (0);
+ struct GNUNET_MQ_Envelope *e;
+ struct ClientPhoneSuspendMessage *suspend;
+
+ GNUNET_assert ( (CS_SUSPENDED_CALLEE == call->state) ||
+ (CS_ACTIVE == call->state) );
+ if (CS_ACTIVE == call->state)
+ {
+ call->speaker->disable_speaker (call->speaker->cls);
+ call->mic->disable_microphone (call->mic->cls);
+ }
+ call->speaker = NULL;
+ call->mic = NULL;
+ e = GNUNET_MQ_msg (suspend, GNUNET_MESSAGE_TYPE_CONVERSATION_CS_PHONE_SUSPEND);
+ GNUNET_MQ_send (call->mq, e);
+ if (CS_SUSPENDED_CALLER == call->state)
+ call->state = CS_SUSPENDED_BOTH;
+ else
+ call->state = CS_SUSPENDED_CALLER;
}
/**
- * Resumes a call after #GNUNET_CONVERSATION_call_pause.
+ * Resumes a call after #GNUNET_CONVERSATION_call_suspend.
*
* @param call call to resume
- * @param speaker speaker to use (will be used automatically immediately once the
- * #GNUNET_CONVERSATION_EC_READY event is generated); we will NOT generate
+ * @param speaker speaker to use
* a ring tone on the speaker
- * @param mic microphone to use (will be used automatically immediately once the
- * #GNUNET_CONVERSATION_EC_READY event is generated)
+ * @param mic microphone to use
*/
void
GNUNET_CONVERSATION_call_resume (struct GNUNET_CONVERSATION_Call *call,
struct GNUNET_SPEAKER_Handle *speaker,
struct GNUNET_MICROPHONE_Handle *mic)
{
- GNUNET_break (0);
+ struct GNUNET_MQ_Envelope *e;
+ struct ClientPhoneResumeMessage *resume;
+
+ GNUNET_assert ( (CS_SUSPENDED_CALLER == call->state) ||
+ (CS_SUSPENDED_BOTH == call->state) );
+ e = GNUNET_MQ_msg (resume, GNUNET_MESSAGE_TYPE_CONVERSATION_CS_PHONE_RESUME);
+ GNUNET_MQ_send (call->mq, e);
+ call->speaker = speaker;
+ call->mic = mic;
+ if (CS_SUSPENDED_CALLER == call->state)
+ {
+ call->state = CS_ACTIVE;
+ call->speaker->enable_speaker (call->speaker->cls);
+ call->mic->enable_microphone (call->mic->cls,
+ &transmit_call_audio,
+ call);
+ }
+ else
+ {
+ call->state = CS_SUSPENDED_CALLEE;
+ }
}