Move debug stuff into utilites folder. Move structured_buffer stuff into its own files. Duplicate rtp_event_receiver to ap2_event_handler and ap2_rc_event_handler.
This commit is contained in:
Mike Brady
@@ -0,0 +1,157 @@
|
||||
/*
|
||||
* Apple AirPlay 2 Event Receiver. This file is part of Shairport Sync.
|
||||
* Copyright (c) Mike Brady 2014--2025
|
||||
* All rights reserved.
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person
|
||||
* obtaining a copy of this software and associated documentation
|
||||
* files (the "Software"), to deal in the Software without
|
||||
* restriction, including without limitation the rights to use,
|
||||
* copy, modify, merge, publish, distribute, sublicense, and/or
|
||||
* sell copies of the Software, and to permit persons to whom the
|
||||
* Software is furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be
|
||||
* included in all copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
||||
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
|
||||
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
||||
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
|
||||
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
|
||||
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
||||
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
|
||||
* OTHER DEALINGS IN THE SOFTWARE.
|
||||
*/
|
||||
|
||||
#include "ap2_event_receiver.h"
|
||||
#include "player.h"
|
||||
#include "common.h"
|
||||
#include "rtsp.h"
|
||||
#include "utilities/structured_buffer.h"
|
||||
|
||||
void ap2_event_receiver_cleanup_handler(void *arg) {
|
||||
rtsp_conn_info *conn = (rtsp_conn_info *)arg;
|
||||
debug(2, "Connection %d: AP2 Event Receiver Cleanup.", conn->connection_number);
|
||||
}
|
||||
|
||||
void *ap2_event_receiver(void *arg) {
|
||||
// #include <syscall.h>
|
||||
// debug(1, "rtp_event_receiver PID %d", syscall(SYS_gettid));
|
||||
rtsp_conn_info *conn = (rtsp_conn_info *)arg;
|
||||
if (conn->airplay_stream_category == remote_control_stream)
|
||||
debug(2, "Connection %d (RC): AP2 Event Receiver started", conn->connection_number);
|
||||
else
|
||||
debug(2, "Connection %d: AP2 Event Receiver started", conn->connection_number);
|
||||
|
||||
structured_buffer *sbuf = sbuf_new(4096);
|
||||
if (sbuf != NULL) {
|
||||
pthread_cleanup_push(sbuf_cleanup, sbuf);
|
||||
|
||||
pthread_cleanup_push(ap2_event_receiver_cleanup_handler, arg);
|
||||
|
||||
// listen(conn->event_socket, 5); // this is now done in the handle_setup_2 code
|
||||
|
||||
uint8_t packet[4096];
|
||||
ssize_t nread;
|
||||
SOCKADDR remote_addr;
|
||||
memset(&remote_addr, 0, sizeof(remote_addr));
|
||||
socklen_t addr_size = sizeof(remote_addr);
|
||||
|
||||
int fd = accept(conn->event_socket, (struct sockaddr *)&remote_addr, &addr_size);
|
||||
debug(2,
|
||||
"Connection %d: rtp_event_receiver accepted a connection on socket %d and moved to a new "
|
||||
"socket %d.",
|
||||
conn->connection_number, conn->event_socket, fd);
|
||||
intptr_t pfd = fd;
|
||||
pthread_cleanup_push(socket_cleanup, (void *)pfd);
|
||||
int finished = 0;
|
||||
do {
|
||||
|
||||
plist_t value_plist = generateInfoPlist(conn);
|
||||
if (value_plist != NULL) {
|
||||
void *txtData = NULL;
|
||||
size_t txtDataLength = 0;
|
||||
generateTxtDataValueInfo(conn, &txtData, &txtDataLength);
|
||||
plist_dict_set_item(value_plist, "txtAirPlay", plist_new_data(txtData, txtDataLength));
|
||||
free(txtData);
|
||||
plist_t update_info_plist = plist_new_dict();
|
||||
if (update_info_plist != NULL) {
|
||||
plist_dict_set_item(update_info_plist, "type", plist_new_string("updateInfo"));
|
||||
plist_dict_set_item(update_info_plist, "value", value_plist);
|
||||
char *plistString = NULL;
|
||||
uint32_t plistStringLength = 0;
|
||||
plist_to_bin(update_info_plist, &plistString, &plistStringLength);
|
||||
if (plistString != NULL) {
|
||||
char *plist_as_string = plist_as_xml_text(update_info_plist);
|
||||
if (plist_as_string != NULL) {
|
||||
debug(3, "Plist is: \"%s\".", plist_as_string);
|
||||
free(plist_as_string);
|
||||
}
|
||||
sbuf_printf(sbuf, "POST /command RTSP/1.0\r\nContent-Length: %u\r\n",
|
||||
plistStringLength);
|
||||
sbuf_printf(sbuf, "Content-Type: application/x-apple-binary-plist\r\n\r\n");
|
||||
sbuf_append(sbuf, plistString, plistStringLength);
|
||||
|
||||
free(plistString); // should be plist_to_bin_free, but it's not defined in older
|
||||
// libraries
|
||||
char *b = 0;
|
||||
size_t l = 0;
|
||||
sbuf_buf_and_length(sbuf, &b, &l);
|
||||
ssize_t wres =
|
||||
write_encrypted(fd, &conn->ap2_pairing_context.event_cipher_bundle, b, l);
|
||||
if ((wres == -1) || ((size_t)wres != l))
|
||||
debug(1, "Encrypted write error");
|
||||
|
||||
sbuf_clear(sbuf);
|
||||
} else {
|
||||
debug(1, "plist string not created!");
|
||||
}
|
||||
plist_free(update_info_plist);
|
||||
} else {
|
||||
debug(1, "Could not build an updateInfo plist");
|
||||
}
|
||||
// plist_free(value_plist);
|
||||
} else {
|
||||
debug(1, "Could not build an value plist");
|
||||
}
|
||||
|
||||
while (finished == 0) {
|
||||
nread = read_encrypted(fd, &conn->ap2_pairing_context.event_cipher_bundle, packet,
|
||||
sizeof(packet));
|
||||
|
||||
// nread = recv(fd, packet, sizeof(packet), 0);
|
||||
|
||||
if (nread < 0) {
|
||||
char errorstring[1024];
|
||||
strerror_r(errno, (char *)errorstring, sizeof(errorstring));
|
||||
debug(
|
||||
1,
|
||||
"Connection %d: error in ap2 rtp_event_receiver %d: \"%s\". Could not recv a packet.",
|
||||
conn->connection_number, errno, errorstring);
|
||||
// if ((config.diagnostic_drop_packet_fraction == 0.0) ||
|
||||
// (drand48() > config.diagnostic_drop_packet_fraction)) {
|
||||
} else if (nread > 0) {
|
||||
|
||||
// ssize_t plen = nread;
|
||||
packet[nread] = '\0';
|
||||
debug(3, "Connection %d: Packet Received on Event Port with contents: \"%s\".",
|
||||
conn->connection_number, packet);
|
||||
} else {
|
||||
debug(1, "Connection %d: Event Port connection closed by client",
|
||||
conn->connection_number);
|
||||
finished = 1;
|
||||
}
|
||||
}
|
||||
|
||||
} while (finished == 0);
|
||||
pthread_cleanup_pop(1); // close the socket
|
||||
pthread_cleanup_pop(1); // do the cleanup
|
||||
pthread_cleanup_pop(1); // delete the structured buffer
|
||||
debug(2, "Connection %d: AP2 Event Receiver RTP thread \"normal\" exit.",
|
||||
conn->connection_number);
|
||||
} else {
|
||||
debug(1, "Could not allocate a structured buffer!");
|
||||
}
|
||||
pthread_exit(NULL);
|
||||
}
|
||||
@@ -0,0 +1,6 @@
|
||||
#ifndef _AP2_EVENT_RECEIVER_H
|
||||
#define _AP2_EVENT_RECEIVER_H
|
||||
|
||||
void *ap2_event_receiver(void *arg);
|
||||
|
||||
#endif // _AP2_EVENT_RECEIVER_H
|
||||
@@ -0,0 +1,157 @@
|
||||
/*
|
||||
* Apple AirPlay 2 Remote Control (RC) Event Receiver. This file is part of Shairport Sync.
|
||||
* Copyright (c) Mike Brady 2014--2025
|
||||
* All rights reserved.
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person
|
||||
* obtaining a copy of this software and associated documentation
|
||||
* files (the "Software"), to deal in the Software without
|
||||
* restriction, including without limitation the rights to use,
|
||||
* copy, modify, merge, publish, distribute, sublicense, and/or
|
||||
* sell copies of the Software, and to permit persons to whom the
|
||||
* Software is furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be
|
||||
* included in all copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
||||
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
|
||||
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
||||
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
|
||||
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
|
||||
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
||||
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
|
||||
* OTHER DEALINGS IN THE SOFTWARE.
|
||||
*/
|
||||
|
||||
#include "ap2_rc_event_receiver.h"
|
||||
#include "player.h"
|
||||
#include "common.h"
|
||||
#include "rtsp.h"
|
||||
#include "utilities/structured_buffer.h"
|
||||
|
||||
void ap2_rc_event_receiver_cleanup_handler(void *arg) {
|
||||
rtsp_conn_info *conn = (rtsp_conn_info *)arg;
|
||||
debug(2, "Connection %d: AP2 Event Receiver Cleanup.", conn->connection_number);
|
||||
}
|
||||
|
||||
void *ap2_rc_event_receiver(void *arg) {
|
||||
// #include <syscall.h>
|
||||
// debug(1, "rtp_event_receiver PID %d", syscall(SYS_gettid));
|
||||
rtsp_conn_info *conn = (rtsp_conn_info *)arg;
|
||||
if (conn->airplay_stream_category == remote_control_stream)
|
||||
debug(2, "Connection %d (RC): AP2 RC Event Receiver started", conn->connection_number);
|
||||
else
|
||||
debug(2, "Connection %d: AP2 RC Event Receiver started", conn->connection_number);
|
||||
|
||||
structured_buffer *sbuf = sbuf_new(4096);
|
||||
if (sbuf != NULL) {
|
||||
pthread_cleanup_push(sbuf_cleanup, sbuf);
|
||||
|
||||
pthread_cleanup_push(ap2_rc_event_receiver_cleanup_handler, arg);
|
||||
|
||||
// listen(conn->event_socket, 5); // this is now done in the handle_setup_2 code
|
||||
|
||||
uint8_t packet[4096];
|
||||
ssize_t nread;
|
||||
SOCKADDR remote_addr;
|
||||
memset(&remote_addr, 0, sizeof(remote_addr));
|
||||
socklen_t addr_size = sizeof(remote_addr);
|
||||
|
||||
int fd = accept(conn->event_socket, (struct sockaddr *)&remote_addr, &addr_size);
|
||||
debug(2,
|
||||
"Connection %d: ap2_rc_event_receiver accepted a connection on socket %d and moved to a new "
|
||||
"socket %d.",
|
||||
conn->connection_number, conn->event_socket, fd);
|
||||
intptr_t pfd = fd;
|
||||
pthread_cleanup_push(socket_cleanup, (void *)pfd);
|
||||
int finished = 0;
|
||||
do {
|
||||
|
||||
plist_t value_plist = generateInfoPlist(conn);
|
||||
if (value_plist != NULL) {
|
||||
void *txtData = NULL;
|
||||
size_t txtDataLength = 0;
|
||||
generateTxtDataValueInfo(conn, &txtData, &txtDataLength);
|
||||
plist_dict_set_item(value_plist, "txtAirPlay", plist_new_data(txtData, txtDataLength));
|
||||
free(txtData);
|
||||
plist_t update_info_plist = plist_new_dict();
|
||||
if (update_info_plist != NULL) {
|
||||
plist_dict_set_item(update_info_plist, "type", plist_new_string("updateInfo"));
|
||||
plist_dict_set_item(update_info_plist, "value", value_plist);
|
||||
char *plistString = NULL;
|
||||
uint32_t plistStringLength = 0;
|
||||
plist_to_bin(update_info_plist, &plistString, &plistStringLength);
|
||||
if (plistString != NULL) {
|
||||
char *plist_as_string = plist_as_xml_text(update_info_plist);
|
||||
if (plist_as_string != NULL) {
|
||||
debug(3, "Plist is: \"%s\".", plist_as_string);
|
||||
free(plist_as_string);
|
||||
}
|
||||
sbuf_printf(sbuf, "POST /command RTSP/1.0\r\nContent-Length: %u\r\n",
|
||||
plistStringLength);
|
||||
sbuf_printf(sbuf, "Content-Type: application/x-apple-binary-plist\r\n\r\n");
|
||||
sbuf_append(sbuf, plistString, plistStringLength);
|
||||
|
||||
free(plistString); // should be plist_to_bin_free, but it's not defined in older
|
||||
// libraries
|
||||
char *b = 0;
|
||||
size_t l = 0;
|
||||
sbuf_buf_and_length(sbuf, &b, &l);
|
||||
ssize_t wres =
|
||||
write_encrypted(fd, &conn->ap2_pairing_context.event_cipher_bundle, b, l);
|
||||
if ((wres == -1) || ((size_t)wres != l))
|
||||
debug(1, "Encrypted write error");
|
||||
|
||||
sbuf_clear(sbuf);
|
||||
} else {
|
||||
debug(1, "plist string not created!");
|
||||
}
|
||||
plist_free(update_info_plist);
|
||||
} else {
|
||||
debug(1, "Could not build an updateInfo plist");
|
||||
}
|
||||
// plist_free(value_plist);
|
||||
} else {
|
||||
debug(1, "Could not build an value plist");
|
||||
}
|
||||
|
||||
while (finished == 0) {
|
||||
nread = read_encrypted(fd, &conn->ap2_pairing_context.event_cipher_bundle, packet,
|
||||
sizeof(packet));
|
||||
|
||||
// nread = recv(fd, packet, sizeof(packet), 0);
|
||||
|
||||
if (nread < 0) {
|
||||
char errorstring[1024];
|
||||
strerror_r(errno, (char *)errorstring, sizeof(errorstring));
|
||||
debug(
|
||||
1,
|
||||
"Connection %d: error in ap2_rc_event_receiver %d: \"%s\". Could not recv a packet.",
|
||||
conn->connection_number, errno, errorstring);
|
||||
// if ((config.diagnostic_drop_packet_fraction == 0.0) ||
|
||||
// (drand48() > config.diagnostic_drop_packet_fraction)) {
|
||||
} else if (nread > 0) {
|
||||
|
||||
// ssize_t plen = nread;
|
||||
packet[nread] = '\0';
|
||||
debug(3, "Connection %d: ap2_rc_event_receiver Packet Received on Event Port with contents: \"%s\".",
|
||||
conn->connection_number, packet);
|
||||
} else {
|
||||
debug(1, "Connection %d: ap2_rc_event_receiver Event Port connection closed by client",
|
||||
conn->connection_number);
|
||||
finished = 1;
|
||||
}
|
||||
}
|
||||
|
||||
} while (finished == 0);
|
||||
pthread_cleanup_pop(1); // close the socket
|
||||
pthread_cleanup_pop(1); // do the cleanup
|
||||
pthread_cleanup_pop(1); // delete the structured buffer
|
||||
debug(2, "Connection %d: AP2 ap2_rc_event_receiver \"normal\" exit.",
|
||||
conn->connection_number);
|
||||
} else {
|
||||
debug(1, "Could not allocate a structured buffer!");
|
||||
}
|
||||
pthread_exit(NULL);
|
||||
}
|
||||
@@ -0,0 +1,8 @@
|
||||
// RC means Remote Control
|
||||
|
||||
#ifndef _AP2_RC_EVENT_RECEIVER_H
|
||||
#define _AP2_RC_EVENT_RECEIVER_H
|
||||
|
||||
void *ap2_rc_event_receiver(void *arg);
|
||||
|
||||
#endif // _AP2_RC_EVENT_RECEIVER_H
|
||||
@@ -0,0 +1,123 @@
|
||||
/*
|
||||
* Structured Buffer. This file is part of Shairport Sync
|
||||
* Copyright (c) Mike Brady 2025
|
||||
|
||||
* Modifications, including those associated with audio synchronization, multithreading and
|
||||
* metadata handling copyright (c) Mike Brady 2014--2025
|
||||
* All rights reserved.
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person
|
||||
* obtaining a copy of this software and associated documentation
|
||||
* files (the "Software"), to deal in the Software without
|
||||
* restriction, including without limitation the rights to use,
|
||||
* copy, modify, merge, publish, distribute, sublicense, and/or
|
||||
* sell copies of the Software, and to permit persons to whom the
|
||||
* Software is furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be
|
||||
* included in all copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
||||
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
|
||||
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
||||
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
|
||||
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
|
||||
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
||||
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
|
||||
* OTHER DEALINGS IN THE SOFTWARE.
|
||||
*/
|
||||
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <stdarg.h>
|
||||
#include <stdio.h>
|
||||
#include <stdint.h>
|
||||
|
||||
|
||||
typedef struct {
|
||||
char *buf;
|
||||
size_t buf_size;
|
||||
size_t buf_pos;
|
||||
} structured_buffer;
|
||||
|
||||
structured_buffer *sbuf_new(size_t size) {
|
||||
structured_buffer *sbuf = (structured_buffer *)malloc(sizeof(structured_buffer));
|
||||
if (sbuf != NULL) {
|
||||
memset(sbuf, 0, sizeof(structured_buffer));
|
||||
char *buf = malloc(size + 1); // extra space for a possible NULL
|
||||
if (buf == NULL) {
|
||||
free(sbuf);
|
||||
sbuf = NULL;
|
||||
} else {
|
||||
sbuf->buf_size = size;
|
||||
sbuf->buf = buf;
|
||||
}
|
||||
}
|
||||
return sbuf;
|
||||
}
|
||||
|
||||
int sbuf_clear(structured_buffer *sbuf) {
|
||||
int response = -1;
|
||||
if ((sbuf != NULL) && (sbuf->buf != NULL)) {
|
||||
sbuf->buf_pos = 0;
|
||||
response = 0;
|
||||
}
|
||||
return response;
|
||||
}
|
||||
|
||||
void sbuf_free(structured_buffer *sbuf) {
|
||||
if (sbuf != NULL) {
|
||||
if (sbuf->buf != NULL)
|
||||
free(sbuf->buf);
|
||||
free(sbuf);
|
||||
}
|
||||
}
|
||||
|
||||
void sbuf_cleanup(void *arg) {
|
||||
structured_buffer *sbuf = (structured_buffer *)arg;
|
||||
debug(3, "structured_buffer cleanup");
|
||||
sbuf_free(sbuf);
|
||||
}
|
||||
|
||||
int sbuf_printf(structured_buffer *sbuf, const char *format, ...) {
|
||||
int response = -1;
|
||||
if ((sbuf != NULL) && (sbuf->buf != NULL)) {
|
||||
char *p = sbuf->buf + sbuf->buf_pos;
|
||||
va_list args;
|
||||
va_start(args, format);
|
||||
vsnprintf(p, sbuf->buf_size - sbuf->buf_pos, format, args);
|
||||
sbuf->buf_pos = sbuf->buf_pos + strlen(p);
|
||||
response = strlen(p);
|
||||
va_end(args);
|
||||
}
|
||||
return response;
|
||||
}
|
||||
|
||||
int sbuf_append(structured_buffer *sbuf, char *plistString, uint32_t plistStringLength) {
|
||||
int response = -1;
|
||||
if ((sbuf != NULL) && (sbuf->buf != NULL) && (plistString != NULL)) {
|
||||
if (plistStringLength == 0) {
|
||||
response = 0;
|
||||
} else {
|
||||
if (plistStringLength < (sbuf->buf_size - sbuf->buf_pos)) {
|
||||
memcpy(sbuf->buf + sbuf->buf_pos, plistString, plistStringLength);
|
||||
sbuf->buf_pos = sbuf->buf_pos + plistStringLength;
|
||||
response = 0;
|
||||
} else {
|
||||
debug(1, "plist too large -- omitted");
|
||||
}
|
||||
}
|
||||
}
|
||||
return response;
|
||||
}
|
||||
|
||||
int sbuf_buf_and_length(structured_buffer *sbuf, char **b, size_t *l) {
|
||||
int response = 0;
|
||||
if ((sbuf != NULL) && (sbuf->buf != NULL)) {
|
||||
*b = sbuf->buf;
|
||||
*l = sbuf->buf_pos;
|
||||
} else {
|
||||
response = -1;
|
||||
}
|
||||
return response;
|
||||
}
|
||||
@@ -0,0 +1,18 @@
|
||||
#ifndef _STRUCTURED_BUFFER_H
|
||||
#define _STRUCTURED_BUFFER_H
|
||||
|
||||
typedef struct {
|
||||
char *buf;
|
||||
size_t buf_size;
|
||||
size_t buf_pos;
|
||||
} structured_buffer;
|
||||
|
||||
structured_buffer *sbuf_new(size_t size);
|
||||
int sbuf_clear(structured_buffer *sbuf);
|
||||
void sbuf_free(structured_buffer *sbuf);
|
||||
void sbuf_cleanup(void *arg);
|
||||
int sbuf_printf(structured_buffer *sbuf, const char *format, ...);
|
||||
int sbuf_append(structured_buffer *sbuf, char *plistString, uint32_t plistStringLength);
|
||||
int sbuf_buf_and_length(structured_buffer *sbuf, char **b, size_t *l);
|
||||
|
||||
#endif // _STRUCTURED_BUFFER_H
|
||||
Reference in New Issue
Block a user