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
26 typedef struct TCPContext {
30 /* return non zero if error */
31 static int tcp_open(URLContext *h, const char *uri, int flags)
33 struct sockaddr_in dest_addr;
34 char hostname[1024], *q;
41 char proto[1024],path[1024],tmp[1024]; // PETR: protocol and path strings
43 url_split(proto, sizeof(proto), NULL, 0, hostname, sizeof(hostname),
44 &port, path, sizeof(path), uri); // PETR: use url_split
45 if (strcmp(proto,"tcp")) goto fail; // PETR: check protocol
46 if ((q = strchr(hostname,'@'))) { strcpy(tmp,q+1); strcpy(hostname,tmp); } // PETR: take only the part after '@' for tcp protocol
48 s = av_malloc(sizeof(TCPContext));
50 return AVERROR(ENOMEM);
53 if (port <= 0 || port >= 65536)
56 dest_addr.sin_family = AF_INET;
57 dest_addr.sin_port = htons(port);
58 if (resolve_host(&dest_addr.sin_addr, hostname) < 0)
61 fd = socket(AF_INET, SOCK_STREAM, 0);
64 ff_socket_nonblock(fd, 1);
67 ret = connect(fd, (struct sockaddr *)&dest_addr,
70 if (ff_neterrno() == FF_NETERROR(EINTR))
72 if (ff_neterrno() != FF_NETERROR(EINPROGRESS) &&
73 ff_neterrno() != FF_NETERROR(EAGAIN))
76 /* wait until we are connected or until abort */
78 if (url_interrupt_cb()) {
86 tv.tv_usec = 100 * 1000;
87 ret = select(fd_max + 1, NULL, &wfds, NULL, &tv);
88 if (ret > 0 && FD_ISSET(fd, &wfds))
94 getsockopt (fd, SOL_SOCKET, SO_ERROR, &ret, &optlen);
110 static int tcp_read(URLContext *h, uint8_t *buf, int size)
112 TCPContext *s = h->priv_data;
113 int len, fd_max, ret;
118 if (url_interrupt_cb())
119 return AVERROR(EINTR);
122 FD_SET(s->fd, &rfds);
124 tv.tv_usec = 100 * 1000;
125 ret = select(fd_max + 1, &rfds, NULL, NULL, &tv);
126 if (ret > 0 && FD_ISSET(s->fd, &rfds)) {
127 len = recv(s->fd, buf, size, 0);
129 if (ff_neterrno() != FF_NETERROR(EINTR) &&
130 ff_neterrno() != FF_NETERROR(EAGAIN))
131 return AVERROR(errno);
133 } else if (ret < 0) {
139 static int tcp_write(URLContext *h, uint8_t *buf, int size)
141 TCPContext *s = h->priv_data;
142 int ret, size1, fd_max, len;
148 if (url_interrupt_cb())
149 return AVERROR(EINTR);
152 FD_SET(s->fd, &wfds);
154 tv.tv_usec = 100 * 1000;
155 ret = select(fd_max + 1, NULL, &wfds, NULL, &tv);
156 if (ret > 0 && FD_ISSET(s->fd, &wfds)) {
157 len = send(s->fd, buf, size, 0);
159 if (ff_neterrno() != FF_NETERROR(EINTR) &&
160 ff_neterrno() != FF_NETERROR(EAGAIN))
161 return AVERROR(errno);
166 } else if (ret < 0) {
173 static int tcp_close(URLContext *h)
175 TCPContext *s = h->priv_data;
181 URLProtocol tcp_protocol = {