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[core] Improve session recording thread performance.

This commit is contained in:
Andrey Volk 2021-10-22 20:37:42 +03:00
parent d6de1d9af7
commit 61089e8f24
1 changed files with 34 additions and 7 deletions
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41
src/switch_ivr_async.c
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@ -1157,6 +1157,8 @@ struct record_helper {
const char *completion_cause;
int start_event_sent;
switch_event_t *variables;
switch_mutex_t *cond_mutex;
switch_thread_cond_t *cond;
};
static switch_status_t record_helper_destroy(struct record_helper **rh, switch_core_session_t *session);
@ -1261,17 +1263,21 @@ static void *SWITCH_THREAD_FUNC recording_thread(switch_thread_t *thread, void *
}
rh = switch_core_media_bug_get_user_data(bug);
switch_buffer_create_dynamic(&rh->thread_buffer, 1024 * 512, 1024 * 64, 0);
switch_buffer_create_dynamic(&rh->thread_buffer, SWITCH_RECOMMENDED_BUFFER_SIZE, SWITCH_RECOMMENDED_BUFFER_SIZE, 0);
rh->thread_ready = 1;
channels = switch_core_media_bug_test_flag(bug, SMBF_STEREO) ? 2 : rh->read_impl.number_of_channels;
data = switch_core_alloc(rh->helper_pool, SWITCH_RECOMMENDED_BUFFER_SIZE);
switch_mutex_lock(rh->cond_mutex);
while(switch_test_flag(rh->fh, SWITCH_FILE_OPEN)) {
if (rh->thread_needs_transfer) {
assert(session != rh->recording_session);
if (switch_core_session_read_lock(rh->recording_session) != SWITCH_STATUS_SUCCESS) {
/* Wait until recording is reverted to the original session */
switch_thread_cond_wait(rh->cond, rh->cond_mutex);
continue;
}
@ -1298,15 +1304,19 @@ static void *SWITCH_THREAD_FUNC recording_thread(switch_thread_t *thread, void *
switch_mutex_lock(rh->buffer_mutex);
inuse = switch_buffer_inuse(rh->thread_buffer);
if (rh->thread_ready && switch_channel_up_nosig(channel) && inuse < bsize) {
switch_mutex_unlock(rh->buffer_mutex);
switch_yield(20000);
continue;
} else if ((!rh->thread_ready || switch_channel_down_nosig(channel)) && !inuse) {
if ((!rh->thread_ready || switch_channel_down_nosig(channel)) && !inuse) {
switch_mutex_unlock(rh->buffer_mutex);
break;
}
if (!inuse) {
switch_mutex_unlock(rh->buffer_mutex);
if (rh->thread_ready) {
switch_thread_cond_wait(rh->cond, rh->cond_mutex);
}
continue;
}
samples = switch_buffer_read(rh->thread_buffer, data, bsize) / 2 / channels;
switch_mutex_unlock(rh->buffer_mutex);
@ -1321,6 +1331,8 @@ static void *SWITCH_THREAD_FUNC recording_thread(switch_thread_t *thread, void *
}
}
switch_mutex_unlock(rh->cond_mutex);
switch_core_session_rwunlock(session);
return NULL;
@ -1362,6 +1374,10 @@ static switch_bool_t record_callback(switch_media_bug_t *bug, void *user_data, s
rh->bug = bug;
rh->thread_needs_transfer = 1;
switch_mutex_lock(rh->cond_mutex);
switch_thread_cond_signal(rh->cond);
switch_mutex_unlock(rh->cond_mutex);
while (--sanity > 0 && rh->thread_needs_transfer) {
switch_yield(10000);
}
@ -1399,8 +1415,11 @@ static switch_bool_t record_callback(switch_media_bug_t *bug, void *user_data, s
int sanity = 200;
switch_mutex_init(&rh->buffer_mutex, SWITCH_MUTEX_NESTED, rh->helper_pool);
switch_mutex_init(&rh->cond_mutex, SWITCH_MUTEX_NESTED, rh->helper_pool);
switch_thread_cond_create(&rh->cond, rh->helper_pool);
switch_threadattr_create(&thd_attr, rh->helper_pool);
switch_threadattr_stacksize_set(thd_attr, SWITCH_THREAD_STACKSIZE);
switch_threadattr_priority_set(thd_attr, SWITCH_PRI_LOW);
switch_thread_create(&rh->thread, thd_attr, recording_thread, bug, rh->helper_pool);
while(--sanity > 0 && !rh->thread_ready) {
@ -1535,6 +1554,11 @@ static switch_bool_t record_callback(switch_media_bug_t *bug, void *user_data, s
switch_status_t st;
rh->thread_ready = 0;
switch_mutex_lock(rh->cond_mutex);
switch_thread_cond_signal(rh->cond);
switch_mutex_unlock(rh->cond_mutex);
switch_thread_join(&st, rh->thread);
}
@ -1542,7 +1566,6 @@ static switch_bool_t record_callback(switch_media_bug_t *bug, void *user_data, s
switch_buffer_destroy(&rh->thread_buffer);
}
frame.data = data;
frame.buflen = SWITCH_RECOMMENDED_BUFFER_SIZE;
@ -1663,6 +1686,10 @@ static switch_bool_t record_callback(switch_media_bug_t *bug, void *user_data, s
switch_mutex_lock(rh->buffer_mutex);
switch_buffer_write(rh->thread_buffer, mask ? null_data : data, frame.datalen);
switch_mutex_unlock(rh->buffer_mutex);
if (switch_mutex_trylock(rh->cond_mutex) == SWITCH_STATUS_SUCCESS) {
switch_thread_cond_signal(rh->cond);
switch_mutex_unlock(rh->cond_mutex);
}
} else if (switch_core_file_write(rh->fh, mask ? null_data : data, &len) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Error writing %s\n", rh->file);
/* File write failed */