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freeswitch
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FS-4836 try this

This commit is contained in:
Anthony Minessale 2012-11-15 12:54:35 -06:00
parent 57f44f9f58
commit 73f022873b
5 changed files with 50 additions and 2 deletions
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2
src/include/switch_channel.h
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@ -643,6 +643,8 @@ SWITCH_DECLARE(switch_caller_extension_t *) switch_channel_get_queued_extension(
SWITCH_DECLARE(void) switch_channel_transfer_to_extension(switch_channel_t *channel, switch_caller_extension_t *caller_extension);
SWITCH_DECLARE(const char *) switch_channel_get_partner_uuid(switch_channel_t *channel);
SWITCH_DECLARE(switch_hold_record_t *) switch_channel_get_hold_record(switch_channel_t *channel);
SWITCH_DECLARE(void) switch_channel_state_thread_lock(switch_channel_t *channel);
SWITCH_DECLARE(void) switch_channel_state_thread_unlock(switch_channel_t *channel);
SWITCH_END_EXTERN_C
#endif

1
src/include/switch_core.h
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@ -722,6 +722,7 @@ SWITCH_DECLARE(switch_status_t) switch_core_session_thread_pool_launch(switch_co
/*!
\brief Signal a session's state machine thread that a state change has occured
*/
SWITCH_DECLARE(switch_mutex_t *) switch_core_session_get_mutex(switch_core_session_t *session);
SWITCH_DECLARE(switch_status_t) switch_core_session_wake_session_thread(_In_ switch_core_session_t *session);
SWITCH_DECLARE(void) switch_core_session_signal_state_change(_In_ switch_core_session_t *session);

42
src/switch_channel.c
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@ -129,6 +129,7 @@ struct switch_channel {
switch_mutex_t *dtmf_mutex;
switch_mutex_t *flag_mutex;
switch_mutex_t *state_mutex;
switch_mutex_t *thread_mutex;
switch_mutex_t *profile_mutex;
switch_core_session_t *session;
switch_channel_state_t state;
@ -352,6 +353,7 @@ SWITCH_DECLARE(switch_status_t) switch_channel_alloc(switch_channel_t **channel,
switch_mutex_init(&(*channel)->dtmf_mutex, SWITCH_MUTEX_NESTED, pool);
switch_mutex_init(&(*channel)->flag_mutex, SWITCH_MUTEX_NESTED, pool);
switch_mutex_init(&(*channel)->state_mutex, SWITCH_MUTEX_NESTED, pool);
switch_mutex_init(&(*channel)->thread_mutex, SWITCH_MUTEX_NESTED, pool);
switch_mutex_init(&(*channel)->profile_mutex, SWITCH_MUTEX_NESTED, pool);
(*channel)->hangup_cause = SWITCH_CAUSE_NONE;
(*channel)->name = "";
@ -1925,6 +1927,32 @@ SWITCH_DECLARE(switch_channel_state_t) switch_channel_name_state(const char *nam
return CS_DESTROY;
}
static inline void careful_set(switch_channel_t *channel, switch_channel_state_t *state, switch_channel_state_t val) {
if (switch_mutex_trylock(channel->thread_mutex)) {
*state = val;
switch_mutex_unlock(channel->thread_mutex);
} else {
switch_mutex_t *mutex = switch_core_session_get_mutex(channel->session);
int x = 0;
for (x = 0; x < 100; x++) {
if (switch_mutex_trylock(mutex) == SWITCH_STATUS_SUCCESS) {
*state = val;
switch_mutex_unlock(mutex);
break;
} else {
switch_cond_next();
}
}
if (x == 100) {
*state = val;
}
}
}
SWITCH_DECLARE(switch_channel_state_t) switch_channel_perform_set_running_state(switch_channel_t *channel, switch_channel_state_t state,
const char *file, const char *func, int line)
{
@ -1950,7 +1978,7 @@ SWITCH_DECLARE(switch_channel_state_t) switch_channel_perform_set_running_state(
switch_mutex_lock(channel->state_mutex);
channel->running_state = state;
careful_set(channel, &channel->running_state, state);
if (state <= CS_DESTROY) {
switch_event_t *event;
@ -2218,7 +2246,7 @@ SWITCH_DECLARE(switch_channel_state_t) switch_channel_perform_set_state(switch_c
switch_log_printf(SWITCH_CHANNEL_ID_LOG, file, func, line, switch_channel_get_uuid(channel), SWITCH_LOG_DEBUG, "(%s) State Change %s -> %s\n",
channel->name, state_names[last_state], state_names[state]);
channel->state = state;
careful_set(channel, &channel->state, state);
if (state == CS_HANGUP && !channel->hangup_cause) {
channel->hangup_cause = SWITCH_CAUSE_NORMAL_CLEARING;
@ -2240,6 +2268,16 @@ SWITCH_DECLARE(switch_channel_state_t) switch_channel_perform_set_state(switch_c
return channel->state;
}
SWITCH_DECLARE(void) switch_channel_state_thread_lock(switch_channel_t *channel)
{
switch_mutex_lock(channel->thread_mutex);
}
SWITCH_DECLARE(void) switch_channel_state_thread_unlock(switch_channel_t *channel)
{
switch_mutex_unlock(channel->thread_mutex);
}
SWITCH_DECLARE(void) switch_channel_event_set_basic_data(switch_channel_t *channel, switch_event_t *event)
{
switch_caller_profile_t *caller_profile, *originator_caller_profile = NULL, *originatee_caller_profile = NULL;

5
src/switch_core_session.c
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@ -1245,6 +1245,11 @@ SWITCH_DECLARE(switch_channel_t *) switch_core_session_get_channel(switch_core_s
return session->channel;
}
SWITCH_DECLARE(switch_mutex_t *) switch_core_session_get_mutex(switch_core_session_t *session)
{
return session->mutex;
}
SWITCH_DECLARE(switch_status_t) switch_core_session_wake_session_thread(switch_core_session_t *session)
{
switch_status_t status;

2
src/switch_core_state_machine.c
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@ -521,11 +521,13 @@ SWITCH_DECLARE(void) switch_core_session_run(switch_core_session_t *session)
switch_ivr_parse_all_events(session);
if (switch_channel_get_state(session->channel) == switch_channel_get_running_state(session->channel)) {
switch_channel_state_thread_lock(session->channel);
switch_channel_set_flag(session->channel, CF_THREAD_SLEEPING);
if (switch_channel_get_state(session->channel) == switch_channel_get_running_state(session->channel)) {
switch_thread_cond_wait(session->cond, session->mutex);
}
switch_channel_clear_flag(session->channel, CF_THREAD_SLEEPING);
switch_channel_state_thread_unlock(session->channel);
}
switch_ivr_parse_all_events(session);