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Merge "res_stasis: Fix crash on a hanging up channel."

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This commit is contained in:
zuul
2016-03-31 09:28:48 -05:00
committed by Gerrit Code Review
parent 7372925a5b 53f63ad770
commit cd6d478d3f
3 changed files with 33 additions and 19 deletions
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3
res/res_stasis.c
View File

@@ -1371,6 +1371,9 @@ int stasis_app_exec(struct ast_channel *chan, const char *app_name, int argc,
remove_stasis_end_published(chan);
}
/* Stop any lingering silence generator */
control_silence_stop_now(control);
/* There's an off chance that app is ready for cleanup. Go ahead
* and clean up, just in case
*/

41
res/stasis/control.c
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@@ -87,21 +87,19 @@ static void control_dtor(void *obj)
{
struct stasis_app_control *control = obj;
ao2_cleanup(control->command_queue);
ast_channel_cleanup(control->channel);
ao2_cleanup(control->app);
ast_cond_destroy(&control->wait_cond);
AST_LIST_HEAD_DESTROY(&control->add_rules);
AST_LIST_HEAD_DESTROY(&control->remove_rules);
/* We may have a lingering silence generator; free it */
ast_channel_stop_silence_generator(control->channel, control->silgen);
control->silgen = NULL;
ao2_cleanup(control->command_queue);
ast_cond_destroy(&control->wait_cond);
ao2_cleanup(control->app);
}
struct stasis_app_control *control_create(struct ast_channel *channel, struct stasis_app *app)
{
RAII_VAR(struct stasis_app_control *, control, NULL, ao2_cleanup);
struct stasis_app_control *control;
int res;
control = ao2_alloc(sizeof(*control), control_dtor);
@@ -109,28 +107,29 @@ struct stasis_app_control *control_create(struct ast_channel *channel, struct st
return NULL;
}
control->app = ao2_bump(app);
AST_LIST_HEAD_INIT(&control->add_rules);
AST_LIST_HEAD_INIT(&control->remove_rules);
res = ast_cond_init(&control->wait_cond, NULL);
if (res != 0) {
ast_log(LOG_ERROR, "Error initializing ast_cond_t: %s\n",
strerror(errno));
ao2_ref(control, -1);
return NULL;
}
control->app = ao2_bump(app);
ast_channel_ref(channel);
control->channel = channel;
control->command_queue = ao2_container_alloc_list(
AO2_ALLOC_OPT_LOCK_MUTEX, 0, NULL, NULL);
if (!control->command_queue) {
ao2_ref(control, -1);
return NULL;
}
control->channel = channel;
AST_LIST_HEAD_INIT(&control->add_rules);
AST_LIST_HEAD_INIT(&control->remove_rules);
ao2_ref(control, +1);
return control;
}
@@ -785,8 +784,7 @@ void stasis_app_control_silence_start(struct stasis_app_control *control)
stasis_app_send_command_async(control, app_control_silence_start, NULL, NULL);
}
static int app_control_silence_stop(struct stasis_app_control *control,
struct ast_channel *chan, void *data)
void control_silence_stop_now(struct stasis_app_control *control)
{
if (control->silgen) {
ast_debug(3, "%s: Stopping silence generator\n",
@@ -795,7 +793,12 @@ static int app_control_silence_stop(struct stasis_app_control *control,
control->channel, control->silgen);
control->silgen = NULL;
}
}
static int app_control_silence_stop(struct stasis_app_control *control,
struct ast_channel *chan, void *data)
{
control_silence_stop_now(control);
return 0;
}

8
res/stasis/control.h
View File

@@ -108,5 +108,13 @@ int control_add_channel_to_bridge(
struct stasis_app_control *control,
struct ast_channel *chan, void *obj);
/*!
* \brief Stop playing silence to a channel right now.
* \since 13.9.0
*
* \param control The control for chan
*/
void control_silence_stop_now(struct stasis_app_control *control);
#endif /* _ASTERISK_RES_STASIS_CONTROL_H */