diff options
| author | Tim Redfern <tim@eclectronics.org> | 2013-09-05 17:55:35 +0100 |
|---|---|---|
| committer | Tim Redfern <tim@eclectronics.org> | 2013-09-05 17:55:35 +0100 |
| commit | 741fb4b9e135cfb161a749db88713229038577bb (patch) | |
| tree | 08bc9925659cbcac45162bacf31dc6336d4f60b4 /ffmpeg1/libavformat/tcp.c | |
| parent | a2e1bf3495b7bfefdaedb8fc737e969ab06df079 (diff) | |
making act segmenter
Diffstat (limited to 'ffmpeg1/libavformat/tcp.c')
| -rw-r--r-- | ffmpeg1/libavformat/tcp.c | 282 |
1 files changed, 0 insertions, 282 deletions
diff --git a/ffmpeg1/libavformat/tcp.c b/ffmpeg1/libavformat/tcp.c deleted file mode 100644 index 0d792e7..0000000 --- a/ffmpeg1/libavformat/tcp.c +++ /dev/null @@ -1,282 +0,0 @@ -/* - * TCP protocol - * Copyright (c) 2002 Fabrice Bellard - * - * This file is part of FFmpeg. - * - * FFmpeg is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * FFmpeg 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 - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ -#include "avformat.h" -#include "libavutil/parseutils.h" -#include "libavutil/opt.h" -#include "libavutil/time.h" -#include "internal.h" -#include "network.h" -#include "os_support.h" -#include "url.h" -#if HAVE_POLL_H -#include <poll.h> -#endif - -typedef struct TCPContext { - const AVClass *class; - int fd; - int listen; - int rw_timeout; - int listen_timeout; -} TCPContext; - -#define OFFSET(x) offsetof(TCPContext, x) -#define D AV_OPT_FLAG_DECODING_PARAM -#define E AV_OPT_FLAG_ENCODING_PARAM -static const AVOption options[] = { -{"listen", "listen on port instead of connecting", OFFSET(listen), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 1, D|E }, -{"timeout", "timeout of socket i/o operations", OFFSET(rw_timeout), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, D|E }, -{"listen_timeout", "connection awaiting timeout", OFFSET(listen_timeout), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, D|E }, -{NULL} -}; - -static const AVClass tcp_context_class = { - .class_name = "tcp", - .item_name = av_default_item_name, - .option = options, - .version = LIBAVUTIL_VERSION_INT, -}; - -/* return non zero if error */ -static int tcp_open(URLContext *h, const char *uri, int flags) -{ - struct addrinfo hints = { 0 }, *ai, *cur_ai; - int port, fd = -1; - TCPContext *s = h->priv_data; - const char *p; - char buf[256]; - int ret; - socklen_t optlen; - char hostname[1024],proto[1024],path[1024]; - char portstr[10]; - h->rw_timeout = 5000000; - - av_url_split(proto, sizeof(proto), NULL, 0, hostname, sizeof(hostname), - &port, path, sizeof(path), uri); - if (strcmp(proto, "tcp")) - return AVERROR(EINVAL); - if (port <= 0 || port >= 65536) { - av_log(h, AV_LOG_ERROR, "Port missing in uri\n"); - return AVERROR(EINVAL); - } - p = strchr(uri, '?'); - if (p) { - if (av_find_info_tag(buf, sizeof(buf), "listen", p)) - s->listen = 1; - if (av_find_info_tag(buf, sizeof(buf), "timeout", p)) { - s->rw_timeout = strtol(buf, NULL, 10); - } - if (av_find_info_tag(buf, sizeof(buf), "listen_timeout", p)) { - s->listen_timeout = strtol(buf, NULL, 10); - } - } - h->rw_timeout = s->rw_timeout; - hints.ai_family = AF_UNSPEC; - hints.ai_socktype = SOCK_STREAM; - snprintf(portstr, sizeof(portstr), "%d", port); - if (s->listen) - hints.ai_flags |= AI_PASSIVE; - if (!hostname[0]) - ret = getaddrinfo(NULL, portstr, &hints, &ai); - else - ret = getaddrinfo(hostname, portstr, &hints, &ai); - if (ret) { - av_log(h, AV_LOG_ERROR, - "Failed to resolve hostname %s: %s\n", - hostname, gai_strerror(ret)); - return AVERROR(EIO); - } - - cur_ai = ai; - - restart: - ret = AVERROR(EIO); - fd = socket(cur_ai->ai_family, cur_ai->ai_socktype, cur_ai->ai_protocol); - if (fd < 0) - goto fail; - - if (s->listen) { - int fd1; - int reuse = 1; - struct pollfd lp = { fd, POLLIN, 0 }; - setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &reuse, sizeof(reuse)); - ret = bind(fd, cur_ai->ai_addr, cur_ai->ai_addrlen); - if (ret) { - ret = ff_neterrno(); - goto fail1; - } - ret = listen(fd, 1); - if (ret) { - ret = ff_neterrno(); - goto fail1; - } - ret = poll(&lp, 1, s->listen_timeout >= 0 ? s->listen_timeout : -1); - if (ret <= 0) { - ret = AVERROR(ETIMEDOUT); - goto fail1; - } - fd1 = accept(fd, NULL, NULL); - if (fd1 < 0) { - ret = ff_neterrno(); - goto fail1; - } - closesocket(fd); - fd = fd1; - ff_socket_nonblock(fd, 1); - } else { - redo: - ff_socket_nonblock(fd, 1); - ret = connect(fd, cur_ai->ai_addr, cur_ai->ai_addrlen); - } - - if (ret < 0) { - struct pollfd p = {fd, POLLOUT, 0}; - int64_t wait_started; - ret = ff_neterrno(); - if (ret == AVERROR(EINTR)) { - if (ff_check_interrupt(&h->interrupt_callback)) { - ret = AVERROR_EXIT; - goto fail1; - } - goto redo; - } - if (ret != AVERROR(EINPROGRESS) && - ret != AVERROR(EAGAIN)) - goto fail; - - /* wait until we are connected or until abort */ - wait_started = av_gettime(); - do { - if (ff_check_interrupt(&h->interrupt_callback)) { - ret = AVERROR_EXIT; - goto fail1; - } - ret = poll(&p, 1, 100); - if (ret > 0) - break; - } while (!h->rw_timeout || (av_gettime() - wait_started < h->rw_timeout)); - if (ret <= 0) { - ret = AVERROR(ETIMEDOUT); - goto fail; - } - /* test error */ - optlen = sizeof(ret); - if (getsockopt (fd, SOL_SOCKET, SO_ERROR, &ret, &optlen)) - ret = AVUNERROR(ff_neterrno()); - if (ret != 0) { - char errbuf[100]; - ret = AVERROR(ret); - av_strerror(ret, errbuf, sizeof(errbuf)); - av_log(h, AV_LOG_ERROR, - "TCP connection to %s:%d failed: %s\n", - hostname, port, errbuf); - goto fail; - } - } - h->is_streamed = 1; - s->fd = fd; - freeaddrinfo(ai); - return 0; - - fail: - if (cur_ai->ai_next) { - /* Retry with the next sockaddr */ - cur_ai = cur_ai->ai_next; - if (fd >= 0) - closesocket(fd); - goto restart; - } - fail1: - if (fd >= 0) - closesocket(fd); - freeaddrinfo(ai); - return ret; -} - -static int tcp_read(URLContext *h, uint8_t *buf, int size) -{ - TCPContext *s = h->priv_data; - int ret; - - if (!(h->flags & AVIO_FLAG_NONBLOCK)) { - ret = ff_network_wait_fd_timeout(s->fd, 0, h->rw_timeout, &h->interrupt_callback); - if (ret) - return ret; - } - ret = recv(s->fd, buf, size, 0); - return ret < 0 ? ff_neterrno() : ret; -} - -static int tcp_write(URLContext *h, const uint8_t *buf, int size) -{ - TCPContext *s = h->priv_data; - int ret; - - if (!(h->flags & AVIO_FLAG_NONBLOCK)) { - ret = ff_network_wait_fd_timeout(s->fd, 1, h->rw_timeout, &h->interrupt_callback); - if (ret) - return ret; - } - ret = send(s->fd, buf, size, 0); - return ret < 0 ? ff_neterrno() : ret; -} - -static int tcp_shutdown(URLContext *h, int flags) -{ - TCPContext *s = h->priv_data; - int how; - - if (flags & AVIO_FLAG_WRITE && flags & AVIO_FLAG_READ) { - how = SHUT_RDWR; - } else if (flags & AVIO_FLAG_WRITE) { - how = SHUT_WR; - } else { - how = SHUT_RD; - } - - return shutdown(s->fd, how); -} - -static int tcp_close(URLContext *h) -{ - TCPContext *s = h->priv_data; - closesocket(s->fd); - return 0; -} - -static int tcp_get_file_handle(URLContext *h) -{ - TCPContext *s = h->priv_data; - return s->fd; -} - -URLProtocol ff_tcp_protocol = { - .name = "tcp", - .url_open = tcp_open, - .url_read = tcp_read, - .url_write = tcp_write, - .url_close = tcp_close, - .url_get_file_handle = tcp_get_file_handle, - .url_shutdown = tcp_shutdown, - .priv_data_size = sizeof(TCPContext), - .priv_data_class = &tcp_context_class, - .flags = URL_PROTOCOL_FLAG_NETWORK, -}; |
