3 * Copyright (c) 2002 Fabrice Bellard.
5 * This file is part of FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
24 #include "os_support.h"
27 typedef struct TCPContext {
31 /* return non zero if error */
32 static int tcp_open(URLContext *h, const char *uri, int flags)
34 struct sockaddr_in dest_addr;
35 char hostname[1024], *q;
42 char proto[1024],path[1024],tmp[1024]; // PETR: protocol and path strings
44 url_split(proto, sizeof(proto), NULL, 0, hostname, sizeof(hostname),
45 &port, path, sizeof(path), uri); // PETR: use url_split
46 if (strcmp(proto,"tcp")) goto fail; // PETR: check protocol
47 if ((q = strchr(hostname,'@'))) { strcpy(tmp,q+1); strcpy(hostname,tmp); } // PETR: take only the part after '@' for tcp protocol
49 s = av_malloc(sizeof(TCPContext));
51 return AVERROR(ENOMEM);
54 if (port <= 0 || port >= 65536)
57 if(!ff_network_init())
60 dest_addr.sin_family = AF_INET;
61 dest_addr.sin_port = htons(port);
62 if (resolve_host(&dest_addr.sin_addr, hostname) < 0)
65 fd = socket(AF_INET, SOCK_STREAM, 0);
68 ff_socket_nonblock(fd, 1);
71 ret = connect(fd, (struct sockaddr *)&dest_addr,
74 if (ff_neterrno() == FF_NETERROR(EINTR))
76 if (ff_neterrno() != FF_NETERROR(EINPROGRESS) &&
77 ff_neterrno() != FF_NETERROR(EAGAIN))
80 /* wait until we are connected or until abort */
82 if (url_interrupt_cb()) {
90 tv.tv_usec = 100 * 1000;
91 ret = select(fd_max + 1, NULL, &wfds, NULL, &tv);
92 if (ret > 0 && FD_ISSET(fd, &wfds))
98 getsockopt (fd, SOL_SOCKET, SO_ERROR, &ret, &optlen);
114 static int tcp_read(URLContext *h, uint8_t *buf, int size)
116 TCPContext *s = h->priv_data;
117 int len, fd_max, ret;
122 if (url_interrupt_cb())
123 return AVERROR(EINTR);
126 FD_SET(s->fd, &rfds);
128 tv.tv_usec = 100 * 1000;
129 ret = select(fd_max + 1, &rfds, NULL, NULL, &tv);
130 if (ret > 0 && FD_ISSET(s->fd, &rfds)) {
131 len = recv(s->fd, buf, size, 0);
133 if (ff_neterrno() != FF_NETERROR(EINTR) &&
134 ff_neterrno() != FF_NETERROR(EAGAIN))
135 return AVERROR(errno);
137 } else if (ret < 0) {
143 static int tcp_write(URLContext *h, uint8_t *buf, int size)
145 TCPContext *s = h->priv_data;
146 int ret, size1, fd_max, len;
152 if (url_interrupt_cb())
153 return AVERROR(EINTR);
156 FD_SET(s->fd, &wfds);
158 tv.tv_usec = 100 * 1000;
159 ret = select(fd_max + 1, NULL, &wfds, NULL, &tv);
160 if (ret > 0 && FD_ISSET(s->fd, &wfds)) {
161 len = send(s->fd, buf, size, 0);
163 if (ff_neterrno() != FF_NETERROR(EINTR) &&
164 ff_neterrno() != FF_NETERROR(EAGAIN))
165 return AVERROR(errno);
170 } else if (ret < 0) {
177 static int tcp_close(URLContext *h)
179 TCPContext *s = h->priv_data;
186 URLProtocol tcp_protocol = {