srt: Clean up poll/sock lifecycle

Make sure `srtobject->poll_id` is never invalid as long as `srtobject`
exists. Only remove our caller socket from it when the socket becomes
invalid.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3156>
This commit is contained in:
Jan Alexander Steffens (heftig) 2020-11-10 10:06:37 +01:00 committed by GStreamer Marge Bot
parent 4e05100e8c
commit 3c23c16f40

View file

@ -363,11 +363,12 @@ gst_srt_object_destroy (GstSRTObject * srtobject)
{
g_return_if_fail (srtobject != NULL);
if (srtobject->poll_id != SRT_ERROR) {
srt_epoll_release (srtobject->poll_id);
srtobject->poll_id = SRT_ERROR;
if (srtobject->sock != SRT_INVALID_SOCK) {
srt_close (srtobject->sock);
}
srt_epoll_release (srtobject->poll_id);
g_cond_clear (&srtobject->sock_cond);
GST_DEBUG_OBJECT (srtobject->element, "Destroying srtobject");
@ -1170,7 +1171,7 @@ gst_srt_object_connect (GstSRTObject * srtobject, GCancellable * cancellable,
if (sock == SRT_INVALID_SOCK) {
g_set_error (error, GST_LIBRARY_ERROR, GST_LIBRARY_ERROR_INIT, "%s",
srt_getlasterror_str ());
goto failed;
return FALSE;
}
if (!gst_srt_object_set_common_params (sock, srtobject, error)) {
@ -1254,6 +1255,7 @@ gst_srt_object_connect (GstSRTObject * srtobject, GCancellable * cancellable,
if (srt_connect (sock, sa, sa_len) == SRT_ERROR) {
g_set_error (error, GST_RESOURCE_ERROR, GST_RESOURCE_ERROR_OPEN_READ, "%s",
srt_getlasterror_str ());
srt_epoll_remove_usock (srtobject->poll_id, sock);
goto failed;
}
@ -1262,18 +1264,7 @@ gst_srt_object_connect (GstSRTObject * srtobject, GCancellable * cancellable,
return TRUE;
failed:
if (srtobject->poll_id != SRT_ERROR) {
srt_epoll_release (srtobject->poll_id);
}
if (sock != SRT_INVALID_SOCK) {
srt_close (sock);
}
srtobject->poll_id = SRT_ERROR;
srtobject->sock = SRT_INVALID_SOCK;
srt_close (sock);
return FALSE;
}
@ -1381,9 +1372,7 @@ gst_srt_object_close (GstSRTObject * srtobject)
g_mutex_lock (&srtobject->sock_lock);
if (srtobject->sock != SRT_INVALID_SOCK) {
if (srtobject->poll_id != SRT_ERROR) {
srt_epoll_remove_usock (srtobject->poll_id, srtobject->sock);
}
srt_epoll_remove_usock (srtobject->poll_id, srtobject->sock);
GST_DEBUG_OBJECT (srtobject->element, "Closing SRT socket (0x%x)",
srtobject->sock);
@ -1584,7 +1573,7 @@ gst_srt_object_wakeup (GstSRTObject * srtobject, GCancellable * cancellable)
/* Removing all socket descriptors from the monitoring list
* wakes up SRT's threads. We only have one to remove. */
if (srtobject->sock != SRT_INVALID_SOCK && srtobject->poll_id != SRT_ERROR) {
if (srtobject->sock != SRT_INVALID_SOCK) {
srt_epoll_remove_usock (srtobject->poll_id, srtobject->sock);
}