[FFmpeg-devel] [PATCH v7] avformat/udp: return the error code instead of generic EIO
lance.lmwang at gmail.com
lance.lmwang at gmail.com
Wed Jan 13 01:58:19 EET 2021
From: Limin Wang <lance.lmwang at gmail.com>
Signed-off-by: Limin Wang <lance.lmwang at gmail.com>
---
libavformat/udp.c | 58 ++++++++++++++++++++++++++++++++++---------------------
1 file changed, 36 insertions(+), 22 deletions(-)
diff --git a/libavformat/udp.c b/libavformat/udp.c
index 13c346a..c4e403b 100644
--- a/libavformat/udp.c
+++ b/libavformat/udp.c
@@ -165,7 +165,7 @@ static int udp_set_multicast_ttl(int sockfd, int mcastTTL,
if (addr->sa_family == AF_INET) {
if (setsockopt(sockfd, IPPROTO_IP, IP_MULTICAST_TTL, &mcastTTL, sizeof(mcastTTL)) < 0) {
ff_log_net_error(NULL, AV_LOG_ERROR, "setsockopt(IP_MULTICAST_TTL)");
- return -1;
+ return ff_neterrno();
}
}
#endif
@@ -173,7 +173,7 @@ static int udp_set_multicast_ttl(int sockfd, int mcastTTL,
if (addr->sa_family == AF_INET6) {
if (setsockopt(sockfd, IPPROTO_IPV6, IPV6_MULTICAST_HOPS, &mcastTTL, sizeof(mcastTTL)) < 0) {
ff_log_net_error(NULL, AV_LOG_ERROR, "setsockopt(IPV6_MULTICAST_HOPS)");
- return -1;
+ return ff_neterrno();
}
}
#endif
@@ -193,7 +193,7 @@ static int udp_join_multicast_group(int sockfd, struct sockaddr *addr,struct soc
mreq.imr_interface.s_addr = INADDR_ANY;
if (setsockopt(sockfd, IPPROTO_IP, IP_ADD_MEMBERSHIP, (const void *)&mreq, sizeof(mreq)) < 0) {
ff_log_net_error(NULL, AV_LOG_ERROR, "setsockopt(IP_ADD_MEMBERSHIP)");
- return -1;
+ return ff_neterrno();
}
}
#endif
@@ -206,7 +206,7 @@ static int udp_join_multicast_group(int sockfd, struct sockaddr *addr,struct soc
mreq6.ipv6mr_interface = 0;
if (setsockopt(sockfd, IPPROTO_IPV6, IPV6_ADD_MEMBERSHIP, &mreq6, sizeof(mreq6)) < 0) {
ff_log_net_error(NULL, AV_LOG_ERROR, "setsockopt(IPV6_ADD_MEMBERSHIP)");
- return -1;
+ return ff_neterrno();
}
}
#endif
@@ -633,6 +633,7 @@ static int udp_open(URLContext *h, const char *uri, int flags)
char buf[256];
struct sockaddr_storage my_addr;
socklen_t len;
+ int ret;
h->is_streamed = 1;
@@ -641,12 +642,12 @@ static int udp_open(URLContext *h, const char *uri, int flags)
s->buffer_size = is_output ? UDP_TX_BUF_SIZE : UDP_RX_BUF_SIZE;
if (s->sources) {
- if (ff_ip_parse_sources(h, s->sources, &s->filters) < 0)
+ if ((ret = ff_ip_parse_sources(h, s->sources, &s->filters)) < 0)
goto fail;
}
if (s->block) {
- if (ff_ip_parse_blocks(h, s->block, &s->filters) < 0)
+ if ((ret = ff_ip_parse_blocks(h, s->block, &s->filters)) < 0)
goto fail;
}
@@ -712,11 +713,11 @@ static int udp_open(URLContext *h, const char *uri, int flags)
av_strlcpy(localaddr, buf, sizeof(localaddr));
}
if (av_find_info_tag(buf, sizeof(buf), "sources", p)) {
- if (ff_ip_parse_sources(h, buf, &s->filters) < 0)
+ if ((ret = ff_ip_parse_sources(h, buf, &s->filters)) < 0)
goto fail;
}
if (av_find_info_tag(buf, sizeof(buf), "block", p)) {
- if (ff_ip_parse_blocks(h, buf, &s->filters) < 0)
+ if ((ret = ff_ip_parse_blocks(h, buf, &s->filters)) < 0)
goto fail;
}
if (!is_output && av_find_info_tag(buf, sizeof(buf), "timeout", p))
@@ -742,7 +743,7 @@ static int udp_open(URLContext *h, const char *uri, int flags)
if (!(flags & AVIO_FLAG_READ))
goto fail;
} else {
- if (ff_udp_set_remote_url(h, uri) < 0)
+ if ((ret = ff_udp_set_remote_url(h, uri)) < 0)
goto fail;
}
@@ -763,15 +764,22 @@ static int udp_open(URLContext *h, const char *uri, int flags)
*/
if (s->reuse_socket > 0 || (s->is_multicast && s->reuse_socket < 0)) {
s->reuse_socket = 1;
- if (setsockopt (udp_fd, SOL_SOCKET, SO_REUSEADDR, &(s->reuse_socket), sizeof(s->reuse_socket)) != 0)
+ if (setsockopt (udp_fd, SOL_SOCKET, SO_REUSEADDR, &(s->reuse_socket), sizeof(s->reuse_socket)) != 0) {
+ ret = ff_neterrno();
goto fail;
+ }
}
if (s->is_broadcast) {
#ifdef SO_BROADCAST
- if (setsockopt (udp_fd, SOL_SOCKET, SO_BROADCAST, &(s->is_broadcast), sizeof(s->is_broadcast)) != 0)
+ if (setsockopt (udp_fd, SOL_SOCKET, SO_BROADCAST, &(s->is_broadcast), sizeof(s->is_broadcast)) != 0) {
+ ret = ff_neterrno();
+ goto fail;
+ }
+#else
+ ret = AVERROR(ENOSYS);
+ goto fail;
#endif
- goto fail;
}
/* Set the checksum coverage for UDP-Lite (RFC 3828) for sending and receiving.
@@ -788,8 +796,10 @@ static int udp_open(URLContext *h, const char *uri, int flags)
if (dscp >= 0) {
dscp <<= 2;
- if (setsockopt (udp_fd, IPPROTO_IP, IP_TOS, &dscp, sizeof(dscp)) != 0)
+ if (setsockopt (udp_fd, IPPROTO_IP, IP_TOS, &dscp, sizeof(dscp)) != 0) {
+ ret = ff_neterrno();
goto fail;
+ }
}
/* If multicast, try binding the multicast address first, to avoid
@@ -804,6 +814,7 @@ static int udp_open(URLContext *h, const char *uri, int flags)
/* the bind is needed to give a port to the socket now */
if (bind_ret < 0 && bind(udp_fd,(struct sockaddr *)&my_addr, len) < 0) {
ff_log_net_error(h, AV_LOG_ERROR, "bind failed");
+ ret = ff_neterrno();
goto fail;
}
@@ -814,28 +825,28 @@ static int udp_open(URLContext *h, const char *uri, int flags)
if (s->is_multicast) {
if (h->flags & AVIO_FLAG_WRITE) {
/* output */
- if (udp_set_multicast_ttl(udp_fd, s->ttl, (struct sockaddr *)&s->dest_addr) < 0)
+ if ((ret = udp_set_multicast_ttl(udp_fd, s->ttl, (struct sockaddr *)&s->dest_addr)) < 0)
goto fail;
}
if (h->flags & AVIO_FLAG_READ) {
/* input */
if (s->filters.nb_include_addrs) {
- if (udp_set_multicast_sources(h, udp_fd,
+ if ((ret = udp_set_multicast_sources(h, udp_fd,
(struct sockaddr *)&s->dest_addr,
s->dest_addr_len, &s->local_addr_storage,
s->filters.include_addrs,
- s->filters.nb_include_addrs, 1) < 0)
+ s->filters.nb_include_addrs, 1)) < 0)
goto fail;
} else {
- if (udp_join_multicast_group(udp_fd, (struct sockaddr *)&s->dest_addr,(struct sockaddr *)&s->local_addr_storage) < 0)
+ if ((ret = udp_join_multicast_group(udp_fd, (struct sockaddr *)&s->dest_addr,(struct sockaddr *)&s->local_addr_storage)) < 0)
goto fail;
}
if (s->filters.nb_exclude_addrs) {
- if (udp_set_multicast_sources(h, udp_fd,
+ if ((ret = udp_set_multicast_sources(h, udp_fd,
(struct sockaddr *)&s->dest_addr,
s->dest_addr_len, &s->local_addr_storage,
s->filters.exclude_addrs,
- s->filters.nb_exclude_addrs, 0) < 0)
+ s->filters.nb_exclude_addrs, 0)) < 0)
goto fail;
}
}
@@ -846,6 +857,7 @@ static int udp_open(URLContext *h, const char *uri, int flags)
tmp = s->buffer_size;
if (setsockopt(udp_fd, SOL_SOCKET, SO_SNDBUF, &tmp, sizeof(tmp)) < 0) {
ff_log_net_error(h, AV_LOG_ERROR, "setsockopt(SO_SNDBUF)");
+ ret = ff_neterrno();
goto fail;
}
} else {
@@ -869,6 +881,7 @@ static int udp_open(URLContext *h, const char *uri, int flags)
if (s->is_connected) {
if (connect(udp_fd, (struct sockaddr *) &s->dest_addr, s->dest_addr_len)) {
ff_log_net_error(h, AV_LOG_ERROR, "connect");
+ ret = ff_neterrno();
goto fail;
}
}
@@ -888,23 +901,24 @@ static int udp_open(URLContext *h, const char *uri, int flags)
}
if ((!is_output && s->circular_buffer_size) || (is_output && s->bitrate && s->circular_buffer_size)) {
- int ret;
-
/* start the task going */
s->fifo = av_fifo_alloc(s->circular_buffer_size);
ret = pthread_mutex_init(&s->mutex, NULL);
if (ret != 0) {
av_log(h, AV_LOG_ERROR, "pthread_mutex_init failed : %s\n", strerror(ret));
+ ret = AVERROR(ret);
goto fail;
}
ret = pthread_cond_init(&s->cond, NULL);
if (ret != 0) {
av_log(h, AV_LOG_ERROR, "pthread_cond_init failed : %s\n", strerror(ret));
+ ret = AVERROR(ret);
goto cond_fail;
}
ret = pthread_create(&s->circular_buffer_thread, NULL, is_output?circular_buffer_task_tx:circular_buffer_task_rx, h);
if (ret != 0) {
av_log(h, AV_LOG_ERROR, "pthread_create failed : %s\n", strerror(ret));
+ ret = AVERROR(ret);
goto thread_fail;
}
s->thread_started = 1;
@@ -923,7 +937,7 @@ static int udp_open(URLContext *h, const char *uri, int flags)
closesocket(udp_fd);
av_fifo_freep(&s->fifo);
ff_ip_reset_filters(&s->filters);
- return AVERROR(EIO);
+ return ret;
}
static int udplite_open(URLContext *h, const char *uri, int flags)
--
1.8.3.1
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