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synced 2026-02-07 04:06:12 -05:00
modules: port modules to timer-queue
Instead of using timerfd, use the context timer-queue to schedule timeouts. This saves fds and removes some redundant code. Make the rtp-source timeout and standby code a bit better by using atomic operations.
This commit is contained in:
Wim Taymans
parent
b220f85790
commit
a75cea96fb
11 changed files with 157 additions and 238 deletions
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@ -204,7 +204,7 @@ struct session {
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#define SESSION_STATE_ESTABLISHED 4
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int state;
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int ck_count;
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uint64_t next_time;
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struct pw_timer timer;
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uint32_t ctrl_initiator;
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uint32_t data_initiator;
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@ -237,15 +237,13 @@ struct impl {
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struct pw_loop *loop;
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struct pw_loop *data_loop;
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struct pw_timer_queue *timer_queue;
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struct pw_core *core;
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struct spa_hook core_listener;
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struct spa_hook core_proxy_listener;
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unsigned int do_disconnect:1;
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struct spa_source *timer;
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uint64_t next_time;
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struct spa_source *ctrl_source;
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struct spa_source *data_source;
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@ -276,34 +274,19 @@ static ssize_t send_packet(int fd, struct msghdr *msg)
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return n;
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}
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static uint64_t current_time_ns(void)
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static uint64_t current_time_ns(struct timespec *ts)
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{
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struct timespec ts;
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clock_gettime(CLOCK_MONOTONIC, &ts);
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return SPA_TIMESPEC_TO_NSEC(&ts);
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clock_gettime(CLOCK_MONOTONIC, ts);
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return SPA_TIMESPEC_TO_NSEC(ts);
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}
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static void set_timeout(struct impl *impl, uint64_t time)
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{
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struct itimerspec ts;
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ts.it_value.tv_sec = time / SPA_NSEC_PER_SEC;
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ts.it_value.tv_nsec = time % SPA_NSEC_PER_SEC;
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ts.it_interval.tv_sec = 0;
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ts.it_interval.tv_nsec = 0;
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pw_loop_update_timer(impl->loop, impl->timer, &ts.it_value, &ts.it_interval, true);
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impl->next_time = time;
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}
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static void send_apple_midi_cmd_ck0(struct session *sess);
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static void schedule_timeout(struct impl *impl)
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static void on_timer_event(void *data)
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{
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struct session *sess;
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uint64_t next_time = 0;
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spa_list_for_each(sess, &impl->sessions, link) {
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if (next_time == 0 ||
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(sess->next_time != 0 && sess->next_time < next_time))
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next_time = sess->next_time;
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}
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set_timeout(impl, next_time);
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struct session *sess = data;
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pw_log_debug("timeout");
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send_apple_midi_cmd_ck0(sess);
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}
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static void send_apple_midi_cmd_ck0(struct session *sess)
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@ -312,14 +295,14 @@ static void send_apple_midi_cmd_ck0(struct session *sess)
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struct iovec iov[3];
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struct msghdr msg;
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struct rtp_apple_midi_ck hdr;
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uint64_t current_time, ts;
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struct timespec now;
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uint64_t timeout, ts;
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spa_zero(hdr);
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hdr.cmd = htonl(APPLE_MIDI_CMD_CK);
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hdr.ssrc = htonl(sess->ssrc);
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current_time = current_time_ns();
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ts = current_time / 10000;
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ts = current_time_ns(&now) / 10000;
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hdr.ts1_h = htonl(ts >> 32);
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hdr.ts1_l = htonl(ts);
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@ -335,11 +318,15 @@ static void send_apple_midi_cmd_ck0(struct session *sess)
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send_packet(impl->data_source->fd, &msg);
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if (sess->ck_count++ < 8)
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sess->next_time = current_time + SPA_NSEC_PER_SEC;
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timeout = 1;
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else if (sess->ck_count++ < 16)
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sess->next_time = current_time + 2 * SPA_NSEC_PER_SEC;
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timeout = 2;
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else
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sess->next_time = current_time + 5 * SPA_NSEC_PER_SEC;
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timeout = 5;
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pw_timer_queue_add(impl->timer_queue, &sess->timer,
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&now, timeout * SPA_NSEC_PER_SEC,
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on_timer_event, sess);
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}
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static void session_update_state(struct session *sess, int state)
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@ -355,12 +342,10 @@ static void session_update_state(struct session *sess, int state)
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if (sess->we_initiated) {
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sess->ck_count = 0;
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send_apple_midi_cmd_ck0(sess);
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schedule_timeout(sess->impl);
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}
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break;
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case SESSION_STATE_INIT:
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sess->next_time = 0;
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schedule_timeout(sess->impl);
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pw_timer_queue_cancel(&sess->timer);
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break;
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default:
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break;
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@ -601,6 +586,7 @@ static void free_session(struct session *sess)
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pw_loop_locked(impl->data_loop, do_unlink_session, 1, NULL, 0, sess);
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sess->impl->n_sessions--;
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pw_timer_queue_cancel(&sess->timer);
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if (sess->send)
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rtp_stream_destroy(sess->send);
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@ -859,8 +845,9 @@ static void parse_apple_midi_cmd_ck(struct impl *impl, bool ctrl, uint8_t *buffe
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struct msghdr msg;
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struct rtp_apple_midi_ck reply;
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struct session *sess;
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uint64_t now, t1, t2, t3;
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uint64_t ts, t1, t2, t3;
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uint32_t ssrc = ntohl(hdr->ssrc);
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struct timespec now;
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sess = find_session_by_ssrc(impl, ssrc);
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if (sess == NULL) {
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@ -870,7 +857,7 @@ static void parse_apple_midi_cmd_ck(struct impl *impl, bool ctrl, uint8_t *buffe
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pw_log_trace("got CK count %d", hdr->count);
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now = current_time_ns() / 10000;
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ts = current_time_ns(&now) / 10000;
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reply = *hdr;
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reply.ssrc = htonl(sess->ssrc);
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reply.count++;
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@ -882,11 +869,11 @@ static void parse_apple_midi_cmd_ck(struct impl *impl, bool ctrl, uint8_t *buffe
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switch (hdr->count) {
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case 0:
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t2 = now;
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t2 = ts;
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break;
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case 1:
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t2 = ((uint64_t)ntohl(hdr->ts2_h) << 32) | ntohl(hdr->ts2_l);
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t3 = now;
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t3 = ts;
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break;
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case 2:
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t3 = ((uint64_t)ntohl(hdr->ts3_h) << 32) | ntohl(hdr->ts3_l);
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@ -1223,8 +1210,6 @@ static void impl_destroy(struct impl *impl)
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if (impl->core && impl->do_disconnect)
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pw_core_disconnect(impl->core);
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if (impl->timer)
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pw_loop_destroy_source(impl->loop, impl->timer);
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if (impl->ctrl_source)
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pw_loop_destroy_source(impl->loop, impl->ctrl_source);
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if (impl->data_source)
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@ -1646,24 +1631,6 @@ static void client_callback(AvahiClient *c, AvahiClientState state, void *userda
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}
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}
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static void on_timer_event(void *data, uint64_t expirations)
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{
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struct impl *impl = data;
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struct session *sess;
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uint64_t current_time = impl->next_time;
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pw_log_debug("timeout");
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spa_list_for_each(sess, &impl->sessions, link) {
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if (sess->state != SESSION_STATE_ESTABLISHED)
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continue;
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if (sess->next_time < current_time)
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continue;
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send_apple_midi_cmd_ck0(sess);
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}
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schedule_timeout(impl);
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}
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static void copy_props(struct impl *impl, struct pw_properties *props, const char *key)
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{
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const char *str;
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@ -1681,7 +1648,6 @@ int pipewire__module_init(struct pw_impl_module *module, const char *args)
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struct pw_properties *props = NULL, *stream_props = NULL;
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uint16_t port;
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const char *str;
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struct timespec value, interval;
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int res = 0;
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PW_LOG_TOPIC_INIT(mod_topic);
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@ -1719,6 +1685,7 @@ int pipewire__module_init(struct pw_impl_module *module, const char *args)
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impl->context = context;
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impl->loop = pw_context_get_main_loop(context);
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impl->data_loop = pw_context_acquire_loop(context, &props->dict);
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impl->timer_queue = pw_context_get_timer_queue(context);
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pw_properties_set(props, PW_KEY_NODE_LOOP_NAME, impl->data_loop->name);
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@ -1820,18 +1787,6 @@ int pipewire__module_init(struct pw_impl_module *module, const char *args)
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&impl->core_listener,
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&core_events, impl);
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impl->timer = pw_loop_add_timer(impl->loop, on_timer_event, impl);
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if (impl->timer == NULL) {
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res = -errno;
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pw_log_error("can't create timer source: %m");
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goto out;
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}
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value.tv_sec = 0;
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value.tv_nsec = 1;
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interval.tv_sec = 1;
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interval.tv_nsec = 0;
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pw_loop_update_timer(impl->loop, impl->timer, &value, &interval, false);
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if ((res = setup_apple_session(impl)) < 0)
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goto out;
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