* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "avformat.h"
+#include "libavutil/parseutils.h"
#include <unistd.h>
#include "internal.h"
#include "network.h"
#include "os_support.h"
+#include "url.h"
#if HAVE_POLL_H
#include <poll.h>
#endif
/* return non zero if error */
static int tcp_open(URLContext *h, const char *uri, int flags)
{
- struct addrinfo hints, *ai, *cur_ai;
+ struct addrinfo hints = { 0 }, *ai, *cur_ai;
int port, fd = -1;
- TCPContext *s = NULL;
+ TCPContext *s = h->priv_data;
+ int listen_socket = 0;
+ const char *p;
+ char buf[256];
int ret;
socklen_t optlen;
+ int timeout = 100;
char hostname[1024],proto[1024],path[1024];
char portstr[10];
if (strcmp(proto,"tcp") || port <= 0 || port >= 65536)
return AVERROR(EINVAL);
- memset(&hints, 0, sizeof(hints));
+ p = strchr(uri, '?');
+ if (p) {
+ if (av_find_info_tag(buf, sizeof(buf), "listen", p))
+ listen_socket = 1;
+ if (av_find_info_tag(buf, sizeof(buf), "timeout", p)) {
+ timeout = strtol(buf, NULL, 10);
+ }
+ }
hints.ai_family = AF_UNSPEC;
hints.ai_socktype = SOCK_STREAM;
snprintf(portstr, sizeof(portstr), "%d", port);
ret = getaddrinfo(hostname, portstr, &hints, &ai);
if (ret) {
- av_log(NULL, AV_LOG_ERROR,
+ 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;
- ff_socket_nonblock(fd, 1);
+ if (listen_socket) {
+ int fd1;
+ ret = bind(fd, cur_ai->ai_addr, cur_ai->ai_addrlen);
+ listen(fd, 1);
+ fd1 = accept(fd, NULL, NULL);
+ closesocket(fd);
+ fd = fd1;
+ ff_socket_nonblock(fd, 1);
+ } else {
redo:
- ret = connect(fd, cur_ai->ai_addr, cur_ai->ai_addrlen);
+ 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};
- if (ff_neterrno() == AVERROR(EINTR)) {
- if (url_interrupt_cb()) {
+ ret = ff_neterrno();
+ if (ret == AVERROR(EINTR)) {
+ if (ff_check_interrupt(&h->interrupt_callback)) {
ret = AVERROR_EXIT;
goto fail1;
}
goto redo;
}
- if (ff_neterrno() != AVERROR(EINPROGRESS) &&
- ff_neterrno() != AVERROR(EAGAIN))
+ if (ret != AVERROR(EINPROGRESS) &&
+ ret != AVERROR(EAGAIN))
goto fail;
/* wait until we are connected or until abort */
- for(;;) {
- if (url_interrupt_cb()) {
+ while(timeout--) {
+ if (ff_check_interrupt(&h->interrupt_callback)) {
ret = AVERROR_EXIT;
goto fail1;
}
if (ret > 0)
break;
}
-
+ if (ret <= 0) {
+ ret = AVERROR(ETIMEDOUT);
+ goto fail;
+ }
/* test error */
optlen = sizeof(ret);
getsockopt (fd, SOL_SOCKET, SO_ERROR, &ret, &optlen);
if (ret != 0) {
- av_log(NULL, AV_LOG_ERROR,
+ av_log(h, AV_LOG_ERROR,
"TCP connection to %s:%d failed: %s\n",
hostname, port, strerror(ret));
+ ret = AVERROR(ret);
goto fail;
}
}
- s = av_malloc(sizeof(TCPContext));
- if (!s) {
- freeaddrinfo(ai);
- return AVERROR(ENOMEM);
- }
- h->priv_data = s;
h->is_streamed = 1;
s->fd = fd;
freeaddrinfo(ai);
closesocket(fd);
goto restart;
}
- ret = AVERROR(EIO);
fail1:
if (fd >= 0)
closesocket(fd);
TCPContext *s = h->priv_data;
int ret;
- if (!(h->flags & URL_FLAG_NONBLOCK)) {
+ if (!(h->flags & AVIO_FLAG_NONBLOCK)) {
ret = ff_network_wait_fd(s->fd, 0);
if (ret < 0)
return ret;
TCPContext *s = h->priv_data;
int ret;
- if (!(h->flags & URL_FLAG_NONBLOCK)) {
+ if (!(h->flags & AVIO_FLAG_NONBLOCK)) {
ret = ff_network_wait_fd(s->fd, 1);
if (ret < 0)
return ret;
{
TCPContext *s = h->priv_data;
closesocket(s->fd);
- av_free(s);
return 0;
}
}
URLProtocol ff_tcp_protocol = {
- "tcp",
- tcp_open,
- tcp_read,
- tcp_write,
- NULL, /* seek */
- tcp_close,
+ .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,
+ .priv_data_size = sizeof(TCPContext),
+ .flags = URL_PROTOCOL_FLAG_NETWORK,
};