98 lines
3.8 KiB
C
98 lines
3.8 KiB
C
/*
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* Apple AirPlay 2 Event Receiver. This file is part of Shairport Sync.
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* Copyright (c) Mike Brady 2014--2026
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* All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use,
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* copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include "ap2_event_receiver.h"
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#include "ap2_event_message_handler.h"
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#include "common.h"
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#include "player.h"
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#include "utilities/network_utilities.h"
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#ifdef CONFIG_METADATA
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#include "metadata/core.h"
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#endif
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void ap2_event_receiver_cleanup_handler(void *arg) {
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rtsp_conn_info *conn = (rtsp_conn_info *)arg;
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// debug(1, "Connection %d: AP2 Event Receiver Cleanup start.", conn->connection_number);
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#ifdef CONFIG_METADATA
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// this is here to ensure it's only performed once during a teardown of a ptp stream
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send_ssnc_metadata('disc', conn->client_ip_string, strlen(conn->client_ip_string), 1);
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#endif
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debug_mutex_lock(&conn->event_sender_mutex, 1000000, 4);
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pthread_cleanup_push(mutex_unlock, &conn->event_sender_mutex);
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safe_socket_close(&conn->event_channel_fd);
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pthread_cleanup_pop(1); // unlock the mutex
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if (conn->airplay_gid != NULL) {
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free(conn->airplay_gid);
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conn->airplay_gid = NULL;
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}
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conn->groupContainsGroupLeader = 0;
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if (conn->dacp_active_remote != NULL) {
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free(conn->dacp_active_remote);
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conn->dacp_active_remote = NULL;
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}
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debug(2, "Connection %d: AP2 Event Receiver Cleanup is complete.", conn->connection_number);
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}
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void *ap2_event_receiver(void *arg) {
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rtsp_conn_info *conn = (rtsp_conn_info *)arg;
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debug(2, "Connection %d: AP2 Event Receiver started", conn->connection_number);
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SOCKADDR remote_addr;
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memset(&remote_addr, 0, sizeof(remote_addr));
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socklen_t addr_size = sizeof(remote_addr);
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debug_mutex_lock(&conn->event_sender_mutex, 1000000, 4);
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pthread_cleanup_push(mutex_unlock, &conn->event_sender_mutex);
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conn->event_channel_fd =
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eintr_checked_accept(conn->event_socket, (struct sockaddr *)&remote_addr, &addr_size);
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pthread_cleanup_pop(1); // unlock the mutex
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if (conn->event_channel_fd > 0) {
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debug(2,
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"Connection %d: ap2_event_receiver accepted a connection on socket %d and moved to a new "
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"socket %d.",
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conn->connection_number, conn->event_socket, conn->event_channel_fd);
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pthread_cleanup_push(ap2_event_receiver_cleanup_handler, arg);
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ap2_event_send_update_info(conn);
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while (1) {
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usleep(100000);
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};
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debug(3, "Connection %d: AP2 Event Receiver RTP thread starting \"normal\" exit.",
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conn->connection_number);
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pthread_cleanup_pop(1); // do the cleanup
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} else {
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debug(1, "Connection %d: could not accept an event socket", conn->connection_number);
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conn->event_channel_fd = -1;
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}
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debug(2, "Connection %d: AP2 Event Receiver RTP thread \"normal\" exit.",
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conn->connection_number);
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conn->ap2_event_receiver_exited = 1;
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pthread_exit(NULL);
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}
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