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lavf/network: split ff_listen_bind into ff_listen and ff_accept

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Signed-off-by: Stephan Holljes <klaxa1337@googlemail.com>
This commit is contained in:
Stephan Holljes 2015-07-03 02:22:25 +02:00
parent 5870b3d2a3
commit cf6c871bee
2 changed files with 41 additions and 6 deletions
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27
libavformat/network.c
View File

@ -187,12 +187,11 @@ int ff_socket(int af, int type, int proto)
return fd;
}
int ff_listen_bind(int fd, const struct sockaddr *addr,
socklen_t addrlen, int timeout, URLContext *h)
int ff_listen(int fd, const struct sockaddr *addr,
socklen_t addrlen)
{
int ret;
int reuse = 1;
struct pollfd lp = { fd, POLLIN, 0 };
if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &reuse, sizeof(reuse))) {
av_log(NULL, AV_LOG_WARNING, "setsockopt(SO_REUSEADDR) failed\n");
}
@ -203,6 +202,13 @@ int ff_listen_bind(int fd, const struct sockaddr *addr,
ret = listen(fd, 1);
if (ret)
return ff_neterrno();
return ret;
}
int ff_accept(int fd, int timeout, URLContext *h)
{
int ret;
struct pollfd lp = { fd, POLLIN, 0 };
ret = ff_poll_interrupt(&lp, 1, timeout, &h->interrupt_callback);
if (ret < 0)
@ -211,15 +217,24 @@ int ff_listen_bind(int fd, const struct sockaddr *addr,
ret = accept(fd, NULL, NULL);
if (ret < 0)
return ff_neterrno();
closesocket(fd);
if (ff_socket_nonblock(ret, 1) < 0)
av_log(NULL, AV_LOG_DEBUG, "ff_socket_nonblock failed\n");
return ret;
}
int ff_listen_bind(int fd, const struct sockaddr *addr,
socklen_t addrlen, int timeout, URLContext *h)
{
int ret;
if ((ret = ff_listen(fd, addr, addrlen)) < 0)
return ret;
if ((ret = ff_accept(fd, timeout, h)) < 0)
return ret;
closesocket(fd);
return ret;
}
int ff_listen_connect(int fd, const struct sockaddr *addr,
socklen_t addrlen, int timeout, URLContext *h,
int will_try_next)

20
libavformat/network.h
View File

@ -254,6 +254,26 @@ int ff_listen_bind(int fd, const struct sockaddr *addr,
socklen_t addrlen, int timeout,
URLContext *h);
/**
* Bind to a file descriptor to an address without accepting connections.
* @param fd First argument of bind().
* @param addr Second argument of bind().
* @param addrlen Third argument of bind().
* @return 0 on success or an AVERROR on failure.
*/
int ff_listen(int fd, const struct sockaddr *addr, socklen_t addrlen);
/**
* Poll for a single connection on the passed file descriptor.
* @param fd The listening socket file descriptor.
* @param timeout Polling timeout in milliseconds.
* @param h URLContext providing interrupt check
* callback and logging context.
* @return A non-blocking file descriptor on success
* or an AVERROR on failure.
*/
int ff_accept(int fd, int timeout, URLContext *h);
/**
* Connect to a file descriptor and poll for result.
*