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Use getaddrinfo() instead of resolve_host(). Patch by Martin Storsjö

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Originally committed as revision 21147 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Martin Storsjö 2010-01-11 17:32:40 +00:00 committed by Ronald S. Bultje
parent f1888474fa
commit fdcdd5396e
1 changed files with 25 additions and 9 deletions
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34
libavformat/tcp.c
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@ -34,7 +34,7 @@ typedef struct TCPContext {
/* return non zero if error */
static int tcp_open(URLContext *h, const char *uri, int flags)
{
struct sockaddr_in dest_addr;
struct addrinfo hints, *ai, *cur_ai;
int port, fd = -1;
TCPContext *s = NULL;
fd_set wfds;
@ -42,6 +42,7 @@ static int tcp_open(URLContext *h, const char *uri, int flags)
struct timeval tv;
socklen_t optlen;
char hostname[1024],proto[1024],path[1024];
char portstr[10];
if(!ff_network_init())
return AVERROR(EIO);
@ -51,19 +52,23 @@ static int tcp_open(URLContext *h, const char *uri, int flags)
if (strcmp(proto,"tcp") || port <= 0 || port >= 65536)
return AVERROR(EINVAL);
dest_addr.sin_family = AF_INET;
dest_addr.sin_port = htons(port);
if (resolve_host(&dest_addr.sin_addr, hostname) < 0)
memset(&hints, 0, sizeof(hints));
hints.ai_family = PF_UNSPEC;
hints.ai_socktype = SOCK_STREAM;
snprintf(portstr, sizeof(portstr), "%d", port);
if (getaddrinfo(hostname, portstr, &hints, &ai))
return AVERROR(EIO);
fd = socket(AF_INET, SOCK_STREAM, 0);
cur_ai = ai;
restart:
fd = socket(cur_ai->ai_family, cur_ai->ai_socktype, cur_ai->ai_protocol);
if (fd < 0)
return AVERROR(EIO);
goto fail;
ff_socket_nonblock(fd, 1);
redo:
ret = connect(fd, (struct sockaddr *)&dest_addr,
sizeof(dest_addr));
ret = connect(fd, cur_ai->ai_addr, cur_ai->ai_addrlen);
if (ret < 0) {
if (ff_neterrno() == FF_NETERROR(EINTR))
goto redo;
@ -94,18 +99,29 @@ static int tcp_open(URLContext *h, const char *uri, int flags)
goto fail;
}
s = av_malloc(sizeof(TCPContext));
if (!s)
if (!s) {
freeaddrinfo(ai);
return AVERROR(ENOMEM);
}
h->priv_data = s;
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;
}
ret = AVERROR(EIO);
fail1:
if (fd >= 0)
closesocket(fd);
freeaddrinfo(ai);
return ret;
}