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-rw-r--r--src/rtsp_client.c732
1 files changed, 0 insertions, 732 deletions
diff --git a/src/rtsp_client.c b/src/rtsp_client.c
deleted file mode 100644
index ea993a16..00000000
--- a/src/rtsp_client.c
+++ /dev/null
@@ -1,732 +0,0 @@
-/*
- * Copyright (C) 2003-2011 The Music Player Daemon Project
- * http://www.musicpd.org
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-/*
- * Based on the RTSP client by Shiro Ninomiya <shiron@snino.com>
- */
-
-#include "config.h"
-#include "rtsp_client.h"
-#include "tcp_socket.h"
-#include "fd_util.h"
-#include "glib_compat.h"
-
-#include <assert.h>
-#include <stdio.h>
-#include <string.h>
-#include <unistd.h>
-#include <errno.h>
-#include <stdlib.h>
-#include <sys/time.h>
-
-#ifdef WIN32
-#include <ws2tcpip.h>
-#include <winsock.h>
-#else
-#include <arpa/inet.h>
-#include <sys/socket.h>
-#include <netdb.h>
-#endif
-
-/*
- * Free all memory associated with key_data
- */
-void
-free_kd(struct key_data *kd)
-{
- struct key_data *iter = kd;
- while (iter) {
- g_free(iter->key);
- g_free(iter->data);
- iter = iter->next;
- g_free(kd);
- kd = iter;
- }
-}
-
-/*
- * key_data type data look up
- */
-char *
-kd_lookup(struct key_data *kd, const char *key)
-{
- while (kd) {
- if (!strcmp(kd->key, key)) {
- return kd->data;
- }
- kd = kd->next;
- }
- return NULL;
-}
-
-struct rtspcl_data *
-rtspcl_open(void)
-{
- struct rtspcl_data *rtspcld;
- rtspcld = g_new0(struct rtspcl_data, 1);
- rtspcld->mutex = g_mutex_new();
- rtspcld->cond = g_cond_new();
- rtspcld->received_lines = g_queue_new();
- rtspcld->useragent = "RTSPClient";
- return rtspcld;
-}
-
-/* bind an opened socket to specified hostname and port.
- * if hostname=NULL, use INADDR_ANY.
- * if *port=0, use dynamically assigned port
- */
-static int bind_host(int sd, char *hostname, unsigned long ulAddr,
- unsigned short *port, GError **error_r)
-{
- struct sockaddr_in my_addr;
- socklen_t nlen = sizeof(struct sockaddr);
- struct hostent *h;
-
- memset(&my_addr, 0, sizeof(my_addr));
- /* use specified hostname */
- if (hostname) {
- /* get server IP address (no check if input is IP address or DNS name) */
- h = gethostbyname(hostname);
- if (h == NULL) {
- if (strstr(hostname, "255.255.255.255") == hostname) {
- my_addr.sin_addr.s_addr=-1;
- } else {
- if ((my_addr.sin_addr.s_addr = inet_addr(hostname)) == 0xFFFFFFFF) {
- g_set_error(error_r, rtsp_client_quark(), 0,
- "failed to resolve host '%s'",
- hostname);
- return -1;
- }
- }
- my_addr.sin_family = AF_INET;
- } else {
- my_addr.sin_family = h->h_addrtype;
- memcpy((char *) &my_addr.sin_addr.s_addr,
- h->h_addr_list[0], h->h_length);
- }
- } else {
- // if hostname=NULL, use INADDR_ANY
- if (ulAddr)
- my_addr.sin_addr.s_addr = ulAddr;
- else
- my_addr.sin_addr.s_addr = htonl(INADDR_ANY);
- my_addr.sin_family = AF_INET;
- }
-
- /* bind a specified port */
- my_addr.sin_port = htons(*port);
-
- if (bind(sd, (struct sockaddr *) &my_addr, sizeof(my_addr)) < 0) {
- g_set_error(error_r, rtsp_client_quark(), errno,
- "failed to bind socket: %s",
- g_strerror(errno));
- return -1;
- }
-
- if (*port == 0) {
- getsockname(sd, (struct sockaddr *) &my_addr, &nlen);
- *port = ntohs(my_addr.sin_port);
- }
-
- return 0;
-}
-
-/*
- * open tcp port
- */
-static int
-open_tcp_socket(char *hostname, unsigned short *port,
- GError **error_r)
-{
- int sd;
-
- /* socket creation */
- sd = socket(AF_INET, SOCK_STREAM, 0);
- if (sd < 0) {
- g_set_error(error_r, rtsp_client_quark(), errno,
- "failed to create TCP socket: %s",
- g_strerror(errno));
- return -1;
- }
- if (bind_host(sd, hostname, 0, port, error_r)) {
- close_socket(sd);
- return -1;
- }
-
- return sd;
-}
-
-static bool
-get_sockaddr_by_host(const char *host, short destport,
- struct sockaddr_in *addr,
- GError **error_r)
-{
- struct hostent *h;
-
- h = gethostbyname(host);
- if (h) {
- addr->sin_family = h->h_addrtype;
- memcpy((char *) &addr->sin_addr.s_addr, h->h_addr_list[0], h->h_length);
- } else {
- addr->sin_family = AF_INET;
- if ((addr->sin_addr.s_addr=inet_addr(host))==0xFFFFFFFF) {
- g_set_error(error_r, rtsp_client_quark(), 0,
- "failed to resolve host '%s'", host);
- return false;
- }
- }
- addr->sin_port = htons(destport);
- return true;
-}
-
-/*
- * create tcp connection
- * as long as the socket is not non-blocking, this can block the process
- * nsport is network byte order
- */
-static bool
-get_tcp_connect(int sd, struct sockaddr_in dest_addr, GError **error_r)
-{
- if (connect(sd, (struct sockaddr *)&dest_addr, sizeof(struct sockaddr))){
- g_usleep(100000);
- // try one more time
- if (connect(sd, (struct sockaddr *)&dest_addr, sizeof(struct sockaddr))) {
- g_set_error(error_r, rtsp_client_quark(), errno,
- "failed to connect to %s:%d: %s",
- inet_ntoa(dest_addr.sin_addr),
- ntohs(dest_addr.sin_port),
- g_strerror(errno));
- return false;
- }
- }
- return true;
-}
-
-static bool
-get_tcp_connect_by_host(int sd, const char *host, short destport,
- GError **error_r)
-{
- struct sockaddr_in addr;
-
- return get_sockaddr_by_host(host, destport, &addr, error_r) &&
- get_tcp_connect(sd, addr, error_r);
-}
-
-static void
-rtsp_client_flush_received(struct rtspcl_data *rtspcld)
-{
- char *line;
- while ((line = g_queue_pop_head(rtspcld->received_lines)) != NULL)
- g_free(line);
-}
-
-static size_t
-rtsp_client_socket_data(const void *_data, size_t length, void *ctx)
-{
- struct rtspcl_data *rtspcld = ctx;
-
- g_mutex_lock(rtspcld->mutex);
-
- if (rtspcld->tcp_socket == NULL) {
- g_mutex_unlock(rtspcld->mutex);
- return 0;
- }
-
- const bool was_empty = g_queue_is_empty(rtspcld->received_lines);
- bool added = false;
- const char *data = _data, *end = data + length, *p = data, *eol;
- while ((eol = memchr(p, '\n', end - p)) != NULL) {
- const char *next = eol + 1;
-
- if (rtspcld->received_lines->length < 64) {
- if (eol > p && eol[-1] == '\r')
- --eol;
-
- g_queue_push_tail(rtspcld->received_lines,
- g_strndup(p, eol - p));
- added = true;
- }
-
- p = next;
- }
-
- if (was_empty && added)
- g_cond_broadcast(rtspcld->cond);
-
- g_mutex_unlock(rtspcld->mutex);
-
- return p - data;
-}
-
-static void
-rtsp_client_socket_error(GError *error, void *ctx)
-{
- struct rtspcl_data *rtspcld = ctx;
-
- g_warning("%s", error->message);
- g_error_free(error);
-
- g_mutex_lock(rtspcld->mutex);
-
- rtsp_client_flush_received(rtspcld);
-
- struct tcp_socket *s = rtspcld->tcp_socket;
- rtspcld->tcp_socket = NULL;
-
- g_cond_broadcast(rtspcld->cond);
-
- g_mutex_unlock(rtspcld->mutex);
-
- if (s != NULL)
- tcp_socket_free(s);
-}
-
-static void
-rtsp_client_socket_disconnected(void *ctx)
-{
- struct rtspcl_data *rtspcld = ctx;
-
- g_mutex_lock(rtspcld->mutex);
-
- rtsp_client_flush_received(rtspcld);
-
- struct tcp_socket *s = rtspcld->tcp_socket;
- rtspcld->tcp_socket = NULL;
-
- g_cond_broadcast(rtspcld->cond);
-
- g_mutex_unlock(rtspcld->mutex);
-
- if (s != NULL)
- tcp_socket_free(s);
-}
-
-static const struct tcp_socket_handler rtsp_client_socket_handler = {
- .data = rtsp_client_socket_data,
- .error = rtsp_client_socket_error,
- .disconnected = rtsp_client_socket_disconnected,
-};
-
-bool
-rtspcl_connect(struct rtspcl_data *rtspcld, const char *host, short destport,
- const char *sid, GError **error_r)
-{
- assert(rtspcld->tcp_socket == NULL);
-
- unsigned short myport = 0;
- struct sockaddr_in name;
- socklen_t namelen = sizeof(name);
-
- int fd = open_tcp_socket(NULL, &myport, error_r);
- if (fd < 0)
- return false;
-
- if (!get_tcp_connect_by_host(fd, host, destport, error_r))
- return false;
-
- getsockname(fd, (struct sockaddr*)&name, &namelen);
- memcpy(&rtspcld->local_addr, &name.sin_addr,sizeof(struct in_addr));
- sprintf(rtspcld->url, "rtsp://%s/%s", inet_ntoa(name.sin_addr), sid);
- getpeername(fd, (struct sockaddr*)&name, &namelen);
- memcpy(&rtspcld->host_addr, &name.sin_addr, sizeof(struct in_addr));
-
- rtspcld->tcp_socket = tcp_socket_new(fd, &rtsp_client_socket_handler,
- rtspcld);
-
- return true;
-}
-
-static void
-rtspcl_disconnect(struct rtspcl_data *rtspcld)
-{
- g_mutex_lock(rtspcld->mutex);
- rtsp_client_flush_received(rtspcld);
- g_mutex_unlock(rtspcld->mutex);
-
- if (rtspcld->tcp_socket != NULL) {
- tcp_socket_free(rtspcld->tcp_socket);
- rtspcld->tcp_socket = NULL;
- }
-}
-
-static void
-rtspcl_remove_all_exthds(struct rtspcl_data *rtspcld)
-{
- free_kd(rtspcld->exthds);
- rtspcld->exthds = NULL;
-}
-
-void
-rtspcl_close(struct rtspcl_data *rtspcld)
-{
- rtspcl_disconnect(rtspcld);
- g_queue_free(rtspcld->received_lines);
- rtspcl_remove_all_exthds(rtspcld);
- g_free(rtspcld->session);
- g_cond_free(rtspcld->cond);
- g_mutex_free(rtspcld->mutex);
- g_free(rtspcld);
-}
-
-void
-rtspcl_add_exthds(struct rtspcl_data *rtspcld, const char *key, char *data)
-{
- struct key_data *new_kd;
- new_kd = g_new(struct key_data, 1);
- new_kd->key = g_strdup(key);
- new_kd->data = g_strdup(data);
- new_kd->next = NULL;
- if (!rtspcld->exthds) {
- rtspcld->exthds = new_kd;
- } else {
- struct key_data *iter = rtspcld->exthds;
- while (iter->next) {
- iter = iter->next;
- }
- iter->next = new_kd;
- }
-}
-
-/*
- * read one line from the file descriptor
- * timeout: msec unit, -1 for infinite
- * if CR comes then following LF is expected
- * returned string in line is always null terminated, maxlen-1 is maximum string length
- */
-static int
-read_line(struct rtspcl_data *rtspcld, char *line, int maxlen,
- int timeout)
-{
- g_mutex_lock(rtspcld->mutex);
-
- GTimeVal end_time;
- if (timeout >= 0) {
- g_get_current_time(&end_time);
-
- end_time.tv_sec += timeout / 1000;
- timeout %= 1000;
- end_time.tv_usec = timeout * 1000;
- if (end_time.tv_usec > 1000000) {
- end_time.tv_usec -= 1000000;
- ++end_time.tv_sec;
- }
- }
-
- while (true) {
- if (!g_queue_is_empty(rtspcld->received_lines)) {
- /* success, copy to buffer */
-
- char *p = g_queue_pop_head(rtspcld->received_lines);
- g_mutex_unlock(rtspcld->mutex);
-
- g_strlcpy(line, p, maxlen);
- g_free(p);
-
- return strlen(line);
- }
-
- if (rtspcld->tcp_socket == NULL) {
- /* error */
- g_mutex_unlock(rtspcld->mutex);
- return -1;
- }
-
- if (timeout < 0) {
- g_cond_wait(rtspcld->cond, rtspcld->mutex);
- } else if (!g_cond_timed_wait(rtspcld->cond, rtspcld->mutex,
- &end_time)) {
- g_mutex_unlock(rtspcld->mutex);
- return 0;
- }
- }
-}
-
-/*
- * send RTSP request, and get response if it's needed
- * if this gets a success, *kd is allocated or reallocated (if *kd is not NULL)
- */
-bool
-exec_request(struct rtspcl_data *rtspcld, const char *cmd,
- const char *content_type, const char *content,
- int get_response,
- const struct key_data *hds, struct key_data **kd,
- GError **error_r)
-{
- char line[1024];
- char req[1024];
- char reql[128];
- const char delimiters[] = " ";
- char *token, *dp;
- int dsize = 0;
- int timeout = 5000; // msec unit
-
- if (!rtspcld) {
- g_set_error_literal(error_r, rtsp_client_quark(), 0,
- "not connected");
- return false;
- }
-
- sprintf(req, "%s %s RTSP/1.0\r\nCSeq: %d\r\n", cmd, rtspcld->url, ++rtspcld->cseq );
-
- if ( rtspcld->session != NULL ) {
- sprintf(reql,"Session: %s\r\n", rtspcld->session );
- g_strlcat(req, reql, sizeof(req));
- }
-
- const struct key_data *hd_iter = hds;
- while (hd_iter) {
- sprintf(reql, "%s: %s\r\n", hd_iter->key, hd_iter->data);
- g_strlcat(req, reql, sizeof(req));
- hd_iter = hd_iter->next;
- }
-
- if (content_type && content) {
- sprintf(reql, "Content-Type: %s\r\nContent-Length: %d\r\n",
- content_type, (int) strlen(content));
- g_strlcat(req, reql, sizeof(req));
- }
-
- sprintf(reql, "User-Agent: %s\r\n", rtspcld->useragent);
- g_strlcat(req, reql, sizeof(req));
-
- hd_iter = rtspcld->exthds;
- while (hd_iter) {
- sprintf(reql, "%s: %s\r\n", hd_iter->key, hd_iter->data);
- g_strlcat(req, reql, sizeof(req));
- hd_iter = hd_iter->next;
- }
- g_strlcat(req, "\r\n", sizeof(req));
-
- if (content_type && content)
- g_strlcat(req, content, sizeof(req));
-
- if (!tcp_socket_send(rtspcld->tcp_socket, req, strlen(req))) {
- g_set_error(error_r, rtsp_client_quark(), errno,
- "write error: %s",
- g_strerror(errno));
- return false;
- }
-
- if (!get_response) return true;
-
- if (read_line(rtspcld, line, sizeof(line), timeout) <= 0) {
- g_set_error_literal(error_r, rtsp_client_quark(), 0,
- "request failed");
- return false;
- }
-
- token = strtok(line, delimiters);
- token = strtok(NULL, delimiters);
- if (token == NULL) {
- g_set_error_literal(error_r, rtsp_client_quark(), 0,
- "request failed");
- return false;
- }
-
- if (strcmp(token, "200") != 0) {
- g_set_error(error_r, rtsp_client_quark(), 0,
- "request failed: %s", token);
- return false;
- }
-
- /* if the caller isn't interested in response headers, put
- them on the trash, which is freed before returning from
- this function */
- struct key_data *trash = NULL;
- if (kd == NULL)
- kd = &trash;
-
- struct key_data *cur_kd = *kd;
-
- struct key_data *new_kd = NULL;
- while (read_line(rtspcld, line, sizeof(line), timeout) > 0) {
- timeout = 1000; // once it started, it shouldn't take a long time
- if (new_kd != NULL && line[0] == ' ') {
- const char *j = line;
- while (*j == ' ')
- ++j;
-
- dsize += strlen(j);
- new_kd->data = g_realloc(new_kd->data, dsize);
- strcat(new_kd->data, j);
- continue;
- }
- dp = strstr(line, ":");
- if (!dp) {
- free_kd(*kd);
- *kd = NULL;
-
- g_set_error_literal(error_r, rtsp_client_quark(), 0,
- "request failed, bad header");
- return false;
- }
-
- *dp++ = 0;
- new_kd = g_new(struct key_data, 1);
- new_kd->key = g_strdup(line);
- dsize = strlen(dp) + 1;
- new_kd->data = g_strdup(dp);
- new_kd->next = NULL;
- if (cur_kd == NULL) {
- cur_kd = *kd = new_kd;
- } else {
- cur_kd->next = new_kd;
- cur_kd = new_kd;
- }
- }
-
- free_kd(trash);
-
- return true;
-}
-
-bool
-rtspcl_set_parameter(struct rtspcl_data *rtspcld, const char *parameter,
- GError **error_r)
-{
- return exec_request(rtspcld, "SET_PARAMETER", "text/parameters",
- parameter, 1, NULL, NULL, error_r);
-}
-
-void
-rtspcl_set_useragent(struct rtspcl_data *rtspcld, const char *name)
-{
- rtspcld->useragent = name;
-}
-
-bool
-rtspcl_announce_sdp(struct rtspcl_data *rtspcld, const char *sdp,
- GError **error_r)
-{
- return exec_request(rtspcld, "ANNOUNCE", "application/sdp", sdp, 1,
- NULL, NULL, error_r);
-}
-
-bool
-rtspcl_setup(struct rtspcl_data *rtspcld, struct key_data **kd,
- int control_port, int ntp_port,
- GError **error_r)
-{
- struct key_data *rkd = NULL, hds;
- const char delimiters[] = ";";
- char *buf = NULL;
- char *token, *pc;
- int rval = false;
-
- static char transport_key[] = "Transport";
-
- char transport_value[256];
- snprintf(transport_value, sizeof(transport_value),
- "RTP/AVP/UDP;unicast;interleaved=0-1;mode=record;control_port=%d;timing_port=%d",
- control_port, ntp_port);
-
- hds.key = transport_key;
- hds.data = transport_value;
- hds.next = NULL;
- if (!exec_request(rtspcld, "SETUP", NULL, NULL, 1,
- &hds, &rkd, error_r))
- return false;
-
- if (!(rtspcld->session = g_strdup(kd_lookup(rkd, "Session")))) {
- g_set_error_literal(error_r, rtsp_client_quark(), 0,
- "no session in response");
- goto erexit;
- }
- if (!(rtspcld->transport = kd_lookup(rkd, "Transport"))) {
- g_set_error_literal(error_r, rtsp_client_quark(), 0,
- "no transport in response");
- goto erexit;
- }
- buf = g_strdup(rtspcld->transport);
- token = strtok(buf, delimiters);
- rtspcld->server_port = 0;
- rtspcld->control_port = 0;
- while (token) {
- if ((pc = strstr(token, "="))) {
- *pc = 0;
- if (!strcmp(token,"server_port")) {
- rtspcld->server_port=atoi(pc + 1);
- }
- if (!strcmp(token,"control_port")) {
- rtspcld->control_port=atoi(pc + 1);
- }
- }
- token = strtok(NULL, delimiters);
- }
- if (rtspcld->server_port == 0) {
- g_set_error_literal(error_r, rtsp_client_quark(), 0,
- "no server_port in response");
- goto erexit;
- }
- if (rtspcld->control_port == 0) {
- g_set_error_literal(error_r, rtsp_client_quark(), 0,
- "no control_port in response");
- goto erexit;
- }
- rval = true;
- erexit:
- g_free(buf);
-
- if (!rval || kd == NULL) {
- free_kd(rkd);
- rkd = NULL;
- }
-
- if (kd != NULL)
- *kd = rkd;
-
- return rval;
-}
-
-bool
-rtspcl_record(struct rtspcl_data *rtspcld,
- int seq_num, int rtptime,
- GError **error_r)
-{
- if (!rtspcld->session) {
- g_set_error_literal(error_r, rtsp_client_quark(), 0,
- "no session in progress");
- return false;
- }
-
- char buf[128];
- sprintf(buf, "seq=%d,rtptime=%u", seq_num, rtptime);
-
- struct key_data rtp;
- static char rtp_key[] = "RTP-Info";
- rtp.key = rtp_key;
- rtp.data = buf;
- rtp.next = NULL;
-
- struct key_data range;
- static char range_key[] = "Range";
- range.key = range_key;
- static char range_value[] = "npt=0-";
- range.data = range_value;
- range.next = &rtp;
-
- return exec_request(rtspcld, "RECORD", NULL, NULL, 1, &range,
- NULL, error_r);
-}
-
-char *
-rtspcl_local_ip(struct rtspcl_data *rtspcld)
-{
- return inet_ntoa(rtspcld->local_addr);
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-15 09:18:33 +0000