*/
#include "avformat.h"
#include "libavutil/parseutils.h"
-#include <unistd.h>
#include "internal.h"
#include "network.h"
#include "os_support.h"
#if HAVE_POLL_H
#include <poll.h>
#endif
-#include <sys/time.h>
typedef struct TCPContext {
int fd;
/* 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;
+ int timeout = 100, listen_timeout = -1;
char hostname[1024],proto[1024],path[1024];
char portstr[10];
av_url_split(proto, sizeof(proto), NULL, 0, hostname, sizeof(hostname),
&port, path, sizeof(path), uri);
- if (strcmp(proto,"tcp") || port <= 0 || port >= 65536)
+ 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))
if (av_find_info_tag(buf, sizeof(buf), "timeout", p)) {
timeout = strtol(buf, NULL, 10);
}
+ if (av_find_info_tag(buf, sizeof(buf), "listen_timeout", p)) {
+ listen_timeout = strtol(buf, NULL, 10);
+ }
}
- memset(&hints, 0, sizeof(hints));
hints.ai_family = AF_UNSPEC;
hints.ai_socktype = SOCK_STREAM;
snprintf(portstr, sizeof(portstr), "%d", port);
- ret = getaddrinfo(hostname, portstr, &hints, &ai);
+ if (listen_socket)
+ 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",
if (listen_socket) {
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);
- listen(fd, 1);
+ if (ret) {
+ ret = ff_neterrno();
+ goto fail1;
+ }
+ ret = listen(fd, 1);
+ if (ret) {
+ ret = ff_neterrno();
+ goto fail1;
+ }
+ ret = poll(&lp, 1, listen_timeout >= 0 ? 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);
}
/* test error */
optlen = sizeof(ret);
- getsockopt (fd, SOL_SOCKET, SO_ERROR, &ret, &optlen);
+ 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, strerror(ret));
- ret = AVERROR(ret);
+ hostname, port, errbuf);
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);
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);
- av_free(s);
return 0;
}
.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),
+ .flags = URL_PROTOCOL_FLAG_NETWORK,
};