static void stasis_message_sink_dtor(void *obj)
{
struct stasis_message_sink *sink = obj;
{
SCOPED_MUTEX(lock, &sink->lock);
while (!sink->is_done) {
/* Normally waiting forever is bad, but if we're not
* done, we're not done. */
ast_cond_wait(&sink->cond, &sink->lock);
}
}
ast_mutex_destroy(&sink->lock);
ast_cond_destroy(&sink->cond);
while (sink->num_messages > 0) {
ao2_cleanup(sink->messages[--sink->num_messages]);
}
ast_free(sink->messages);
sink->messages = NULL;
sink->max_messages = 0;
}
/*!
* \brief Idle function for worker threads
*
* The worker waits here until it gets told by the threadpool
* to wake up.
*
* worker is locked before entering this function.
*
* \param worker The idle worker
* \retval 0 The thread is being woken up so that it can conclude.
* \retval non-zero The thread is being woken up to do more work.
*/
static int worker_idle(struct worker_thread *worker)
{
struct timeval start = ast_tvnow();
struct timespec end = {
.tv_sec = start.tv_sec + worker->options.idle_timeout,
.tv_nsec = start.tv_usec * 1000,
};
while (!worker->wake_up) {
if (worker->options.idle_timeout <= 0) {
ast_cond_wait(&worker->cond, &worker->lock);
} else if (ast_cond_timedwait(&worker->cond, &worker->lock, &end) == ETIMEDOUT) {
break;
}
}
if (!worker->wake_up) {
ast_debug(1, "Worker thread idle timeout reached. Dying.\n");
threadpool_idle_thread_dead(worker->pool, worker);
worker->state = DEAD;
}
worker->wake_up = 0;
return worker->state == ALIVE;
}
/*!
* \brief Change a worker's state
*
* The threadpool calls into this function in order to let a worker know
* how it should proceed.
*/
static void worker_set_state(struct worker_thread *worker, enum worker_state state)
{
SCOPED_MUTEX(lock, &worker->lock);
worker->state = state;
worker->wake_up = 1;
ast_cond_signal(&worker->cond);
}
int ast_sem_wait(struct ast_sem *sem)
{
int res;
SCOPED_MUTEX(lock, &sem->mutex);
ast_assert(sem->count >= 0);
/* Wait for a non-zero count */
++sem->waiters;
while (sem->count == 0) {
res = ast_cond_wait(&sem->cond, &sem->mutex);
/* Give up on error */
if (res != 0) {
--sem->waiters;
return res;
}
}
--sem->waiters;
/* Take it! */
--sem->count;
return 0;
}
static void *mixmonitor_thread(void *obj)
{
struct mixmonitor *mixmonitor = obj;
struct ast_filestream **fs = NULL;
struct ast_filestream **fs_read = NULL;
struct ast_filestream **fs_write = NULL;
unsigned int oflags;
int errflag = 0;
struct ast_format format_slin;
ast_verb(2, "Begin MixMonitor Recording %s\n", mixmonitor->name);
fs = &mixmonitor->mixmonitor_ds->fs;
fs_read = &mixmonitor->mixmonitor_ds->fs_read;
fs_write = &mixmonitor->mixmonitor_ds->fs_write;
ast_mutex_lock(&mixmonitor->mixmonitor_ds->lock);
mixmonitor_save_prep(mixmonitor, mixmonitor->filename, fs, &oflags, &errflag);
mixmonitor_save_prep(mixmonitor, mixmonitor->filename_read, fs_read, &oflags, &errflag);
mixmonitor_save_prep(mixmonitor, mixmonitor->filename_write, fs_write, &oflags, &errflag);
ast_format_set(&format_slin, ast_format_slin_by_rate(mixmonitor->mixmonitor_ds->samp_rate), 0);
ast_mutex_unlock(&mixmonitor->mixmonitor_ds->lock);
/* The audiohook must enter and exit the loop locked */
ast_audiohook_lock(&mixmonitor->audiohook);
while (mixmonitor->audiohook.status == AST_AUDIOHOOK_STATUS_RUNNING && !mixmonitor->mixmonitor_ds->fs_quit) {
struct ast_frame *fr = NULL;
struct ast_frame *fr_read = NULL;
struct ast_frame *fr_write = NULL;
if (!(fr = ast_audiohook_read_frame_all(&mixmonitor->audiohook, SAMPLES_PER_FRAME, &format_slin,
&fr_read, &fr_write))) {
ast_audiohook_trigger_wait(&mixmonitor->audiohook);
if (mixmonitor->audiohook.status != AST_AUDIOHOOK_STATUS_RUNNING) {
break;
}
continue;
}
/* audiohook lock is not required for the next block.
* Unlock it, but remember to lock it before looping or exiting */
ast_audiohook_unlock(&mixmonitor->audiohook);
if (!ast_test_flag(mixmonitor, MUXFLAG_BRIDGED) || (mixmonitor->autochan->chan && ast_bridged_channel(mixmonitor->autochan->chan))) {
ast_mutex_lock(&mixmonitor->mixmonitor_ds->lock);
/* Write out the frame(s) */
if ((*fs_read) && (fr_read)) {
struct ast_frame *cur;
for (cur = fr_read; cur; cur = AST_LIST_NEXT(cur, frame_list)) {
ast_writestream(*fs_read, cur);
}
}
if ((*fs_write) && (fr_write)) {
struct ast_frame *cur;
for (cur = fr_write; cur; cur = AST_LIST_NEXT(cur, frame_list)) {
ast_writestream(*fs_write, cur);
}
}
if ((*fs) && (fr)) {
struct ast_frame *cur;
for (cur = fr; cur; cur = AST_LIST_NEXT(cur, frame_list)) {
ast_writestream(*fs, cur);
}
}
ast_mutex_unlock(&mixmonitor->mixmonitor_ds->lock);
}
/* All done! free it. */
if (fr) {
ast_frame_free(fr, 0);
}
if (fr_read) {
ast_frame_free(fr_read, 0);
}
if (fr_write) {
ast_frame_free(fr_write, 0);
}
fr = NULL;
fr_write = NULL;
fr_read = NULL;
ast_audiohook_lock(&mixmonitor->audiohook);
}
ast_audiohook_unlock(&mixmonitor->audiohook);
ast_autochan_destroy(mixmonitor->autochan);
/* Datastore cleanup. close the filestream and wait for ds destruction */
ast_mutex_lock(&mixmonitor->mixmonitor_ds->lock);
mixmonitor_ds_close_fs(mixmonitor->mixmonitor_ds);
if (!mixmonitor->mixmonitor_ds->destruction_ok) {
ast_cond_wait(&mixmonitor->mixmonitor_ds->destruction_condition, &mixmonitor->mixmonitor_ds->lock);
}
ast_mutex_unlock(&mixmonitor->mixmonitor_ds->lock);
/* kill the audiohook */
destroy_monitor_audiohook(mixmonitor);
if (mixmonitor->post_process) {
ast_verb(2, "Executing [%s]\n", mixmonitor->post_process);
ast_safe_system(mixmonitor->post_process);
}
ast_verb(2, "End MixMonitor Recording %s\n", mixmonitor->name);
mixmonitor_free(mixmonitor);
return NULL;
}
static void *mixmonitor_thread(void *obj)
{
struct mixmonitor *mixmonitor = obj;
struct ast_filestream **fs = NULL;
unsigned int oflags;
char *ext;
int errflag = 0;
ast_verb(2, "Begin MixMonitor Recording %s\n", mixmonitor->name);
fs = &mixmonitor->mixmonitor_ds->fs;
/* The audiohook must enter and exit the loop locked */
ast_audiohook_lock(&mixmonitor->audiohook);
while (mixmonitor->audiohook.status == AST_AUDIOHOOK_STATUS_RUNNING && !mixmonitor->mixmonitor_ds->fs_quit) {
struct ast_frame *fr = NULL;
ast_audiohook_trigger_wait(&mixmonitor->audiohook);
if (mixmonitor->audiohook.status != AST_AUDIOHOOK_STATUS_RUNNING)
break;
if (!(fr = ast_audiohook_read_frame(&mixmonitor->audiohook, SAMPLES_PER_FRAME, AST_AUDIOHOOK_DIRECTION_BOTH, AST_FORMAT_SLINEAR)))
continue;
/* audiohook lock is not required for the next block.
* Unlock it, but remember to lock it before looping or exiting */
ast_audiohook_unlock(&mixmonitor->audiohook);
ast_mutex_lock(&mixmonitor->mixmonitor_ds->lock);
if (!ast_test_flag(mixmonitor, MUXFLAG_BRIDGED) || (mixmonitor->mixmonitor_ds->chan && ast_bridged_channel(mixmonitor->mixmonitor_ds->chan))) {
/* Initialize the file if not already done so */
if (!*fs && !errflag && !mixmonitor->mixmonitor_ds->fs_quit) {
oflags = O_CREAT | O_WRONLY;
oflags |= ast_test_flag(mixmonitor, MUXFLAG_APPEND) ? O_APPEND : O_TRUNC;
if ((ext = strrchr(mixmonitor->filename, '.')))
*(ext++) = '\0';
else
ext = "raw";
if (!(*fs = ast_writefile(mixmonitor->filename, ext, NULL, oflags, 0, 0666))) {
ast_log(LOG_ERROR, "Cannot open %s.%s\n", mixmonitor->filename, ext);
errflag = 1;
}
}
/* Write out the frame(s) */
if (*fs) {
struct ast_frame *cur;
for (cur = fr; cur; cur = AST_LIST_NEXT(cur, frame_list)) {
ast_writestream(*fs, cur);
}
}
}
ast_mutex_unlock(&mixmonitor->mixmonitor_ds->lock);
/* All done! free it. */
ast_frame_free(fr, 0);
ast_audiohook_lock(&mixmonitor->audiohook);
}
ast_audiohook_unlock(&mixmonitor->audiohook);
/* Datastore cleanup. close the filestream and wait for ds destruction */
ast_mutex_lock(&mixmonitor->mixmonitor_ds->lock);
mixmonitor_ds_close_fs(mixmonitor->mixmonitor_ds);
if (!mixmonitor->mixmonitor_ds->destruction_ok) {
ast_cond_wait(&mixmonitor->mixmonitor_ds->destruction_condition, &mixmonitor->mixmonitor_ds->lock);
}
ast_mutex_unlock(&mixmonitor->mixmonitor_ds->lock);
/* kill the audiohook */
destroy_monitor_audiohook(mixmonitor);
if (mixmonitor->post_process) {
ast_verb(2, "Executing [%s]\n", mixmonitor->post_process);
ast_safe_system(mixmonitor->post_process);
}
ast_verb(2, "End MixMonitor Recording %s\n", mixmonitor->name);
mixmonitor_free(mixmonitor);
return NULL;
}
static void *mixmonitor_thread(void *obj)
{
struct mixmonitor *mixmonitor = obj;
struct ast_filestream *fs = NULL;
unsigned int oflags;
char *ext;
int errflag = 0;
if (option_verbose > 1)
ast_verbose(VERBOSE_PREFIX_2 "Begin MixMonitor Recording %s\n", mixmonitor->name);
ast_audiohook_lock(&mixmonitor->audiohook);
while (mixmonitor->audiohook.status == AST_AUDIOHOOK_STATUS_RUNNING) {
struct ast_frame *fr = NULL;
ast_audiohook_trigger_wait(&mixmonitor->audiohook);
if (mixmonitor->audiohook.status != AST_AUDIOHOOK_STATUS_RUNNING)
break;
if (!(fr = ast_audiohook_read_frame(&mixmonitor->audiohook, SAMPLES_PER_FRAME, AST_AUDIOHOOK_DIRECTION_BOTH, AST_FORMAT_SLINEAR)))
continue;
ast_mutex_lock(&mixmonitor->mixmonitor_ds->lock);
if (!ast_test_flag(mixmonitor, MUXFLAG_BRIDGED) || (mixmonitor->mixmonitor_ds->chan && ast_bridged_channel(mixmonitor->mixmonitor_ds->chan))) {
ast_mutex_unlock(&mixmonitor->mixmonitor_ds->lock);
/* Initialize the file if not already done so */
if (!fs && !errflag) {
oflags = O_CREAT | O_WRONLY;
oflags |= ast_test_flag(mixmonitor, MUXFLAG_APPEND) ? O_APPEND : O_TRUNC;
if ((ext = strrchr(mixmonitor->filename, '.')))
*(ext++) = '\0';
else
ext = "raw";
if (!(fs = ast_writefile(mixmonitor->filename, ext, NULL, oflags, 0, 0644))) {
ast_log(LOG_ERROR, "Cannot open %s.%s\n", mixmonitor->filename, ext);
errflag = 1;
}
}
/* Write out the frame */
if (fs)
ast_writestream(fs, fr);
} else {
ast_mutex_unlock(&mixmonitor->mixmonitor_ds->lock);
}
/* All done! free it. */
ast_frame_free(fr, 0);
}
ast_audiohook_detach(&mixmonitor->audiohook);
ast_audiohook_unlock(&mixmonitor->audiohook);
ast_audiohook_destroy(&mixmonitor->audiohook);
if (option_verbose > 1)
ast_verbose(VERBOSE_PREFIX_2 "End MixMonitor Recording %s\n", mixmonitor->name);
if (fs)
ast_closestream(fs);
if (mixmonitor->post_process) {
if (option_verbose > 2)
ast_verbose(VERBOSE_PREFIX_2 "Executing [%s]\n", mixmonitor->post_process);
ast_safe_system(mixmonitor->post_process);
}
ast_mutex_lock(&mixmonitor->mixmonitor_ds->lock);
if (!mixmonitor->mixmonitor_ds->destruction_ok) {
ast_cond_wait(&mixmonitor->mixmonitor_ds->destruction_condition, &mixmonitor->mixmonitor_ds->lock);
}
ast_mutex_unlock(&mixmonitor->mixmonitor_ds->lock);
ast_mutex_destroy(&mixmonitor->mixmonitor_ds->lock);
ast_cond_destroy(&mixmonitor->mixmonitor_ds->destruction_condition);
ast_free(mixmonitor->mixmonitor_ds);
free(mixmonitor);
return NULL;
}