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add a bunch of locking to mod_iax, if it deadlocks nobody will be suprised 

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@7984 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
Anthony Minessale 2008-03-31 15:31:05 +00:00
parent 0aff88668a
commit 13b9dffa7b
1 changed files with 14 additions and 3 deletions
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17
src/mod/endpoints/mod_iax/mod_iax.c
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@ -505,6 +505,7 @@ static switch_status_t channel_on_hangup(switch_core_session_t *session)
switch_core_codec_destroy(&tech_pvt->write_codec);
}
switch_mutex_lock(globals.mutex);
if (tech_pvt->iax_session) {
if (!switch_test_flag(tech_pvt, TFLAG_HANGUP)) {
iax_hangup(tech_pvt->iax_session, "Hangup");
@ -514,7 +515,6 @@ static switch_status_t channel_on_hangup(switch_core_session_t *session)
}
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "%s CHANNEL HANGUP\n", switch_channel_get_name(switch_core_session_get_channel(session)));
switch_mutex_lock(globals.mutex);
globals.calls--;
if (globals.calls < 0) {
globals.calls = 0;
@ -576,7 +576,9 @@ static switch_status_t channel_send_dtmf(switch_core_session_t *session, const s
private_t *tech_pvt = switch_core_session_get_private(session);
switch_assert(tech_pvt != NULL);
if (tech_pvt->iax_session) {
switch_mutex_lock(globals.mutex);
iax_send_dtmf(tech_pvt->iax_session, dtmf->digit);
switch_mutex_unlock(globals.mutex);
}
return SWITCH_STATUS_SUCCESS;
@ -674,7 +676,9 @@ static switch_status_t channel_answer_channel(switch_core_session_t *session)
switch_assert(tech_pvt != NULL);
if (!switch_test_flag(tech_pvt, TFLAG_OUTBOUND)) {
switch_mutex_lock(globals.mutex);
iax_answer(tech_pvt->iax_session);
switch_mutex_unlock(globals.mutex);
}
return SWITCH_STATUS_SUCCESS;
}
@ -689,8 +693,10 @@ static switch_status_t channel_receive_message(switch_core_session_t *session, s
case SWITCH_MESSAGE_INDICATE_RESPOND:
{
if (tech_pvt->iax_session) {
switch_mutex_lock(globals.mutex);
iax_reject(tech_pvt->iax_session, msg->string_arg ? msg->string_arg : "Call Rejected");
switch_set_flag(tech_pvt, TFLAG_HANGUP);
switch_mutex_unlock(globals.mutex);
}
}
break;
@ -745,7 +751,11 @@ static switch_call_cause_t channel_outgoing_channel(switch_core_session_t *sessi
return SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER;
}
if ((tech_pvt->iax_session = iax_session_new()) == 0) {
switch_mutex_lock(globals.mutex);
tech_pvt->iax_session = iax_session_new();
switch_mutex_unlock(globals.mutex);
if (!tech_pvt->iax_session) {
switch_core_session_destroy(new_session);
return SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER;
}
@ -955,6 +965,7 @@ SWITCH_MODULE_RUNTIME_FUNCTION(mod_iax_runtime)
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Event %d [%s]!\n", iaxevent->etype, IAXNAMES[iaxevent->etype]);
}
switch_mutex_lock(globals.mutex);
switch (iaxevent->etype) {
case IAX_EVENT_REGACK:
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "Registration completed successfully.\n");
@ -1129,7 +1140,7 @@ SWITCH_MODULE_RUNTIME_FUNCTION(mod_iax_runtime)
break;
}
iax_event_free(iaxevent);
switch_mutex_unlock(globals.mutex);
if (tech_pvt && tech_pvt->session) {
switch_core_session_signal_unlock(tech_pvt->session);
}