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lavf/tcp: check return value of setsockopt. 

when setsockopt fail, use ff_log_net_error to dump the string
describing for error number.

Signed-off-by: Jun Zhao <mypopydev@gmail.com>
This commit is contained in:
Jun Zhao 2018-08-04 17:52:16 +08:00 committed by Jun Zhao
parent 0a8ff1d8bb
commit 0ed0af595b
1 changed files with 12 additions and 4 deletions
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16
libavformat/tcp.c
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@ -151,17 +151,25 @@ static int tcp_open(URLContext *h, const char *uri, int flags)
/* Set the socket's send or receive buffer sizes, if specified.
If unspecified or setting fails, system default is used. */
if (s->recv_buffer_size > 0) {
setsockopt (fd, SOL_SOCKET, SO_RCVBUF, &s->recv_buffer_size, sizeof (s->recv_buffer_size));
if (setsockopt (fd, SOL_SOCKET, SO_RCVBUF, &s->recv_buffer_size, sizeof (s->recv_buffer_size))) {
ff_log_net_error(h, AV_LOG_WARNING, "setsockopt(SO_RCVBUF)");
}
}
if (s->send_buffer_size > 0) {
setsockopt (fd, SOL_SOCKET, SO_SNDBUF, &s->send_buffer_size, sizeof (s->send_buffer_size));
if (setsockopt (fd, SOL_SOCKET, SO_SNDBUF, &s->send_buffer_size, sizeof (s->send_buffer_size))) {
ff_log_net_error(h, AV_LOG_WARNING, "setsockopt(SO_SNDBUF)");
}
}
if (s->tcp_nodelay > 0) {
setsockopt (fd, IPPROTO_TCP, TCP_NODELAY, &s->tcp_nodelay, sizeof (s->tcp_nodelay));
if (setsockopt (fd, IPPROTO_TCP, TCP_NODELAY, &s->tcp_nodelay, sizeof (s->tcp_nodelay))) {
ff_log_net_error(h, AV_LOG_WARNING, "setsockopt(TCP_NODELAY)");
}
}
#if !HAVE_WINSOCK2_H
if (s->tcp_mss > 0) {
setsockopt (fd, IPPROTO_TCP, TCP_MAXSEG, &s->tcp_mss, sizeof (s->tcp_mss));
if (setsockopt (fd, IPPROTO_TCP, TCP_MAXSEG, &s->tcp_mss, sizeof (s->tcp_mss))) {
ff_log_net_error(h, AV_LOG_WARNING, "setsockopt(TCP_MAXSEG)");
}
}
#endif /* !HAVE_WINSOCK2_H */