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rtsp: Resend new keepalive commands if they used stale auth

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These commands are sent asynchronously, not waiting for the reply.
This reply is parsed later by ff_rtsp_tcp_read_packet or
udp_read_packet. If the reply indicates that we used stale
authentication and need to use a new nonce, resend a new keepalive
command immediately.

This is the only request sent asynchronously, so currently there's
no other command that needs to be resent in the same way.

Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Martin Storsjö 2012-03-12 16:11:22 +02:00
parent 2f96cc1fc4
commit cdf9108b6a
1 changed files with 6 additions and 1 deletions
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7
libavformat/rtspdec.c
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@ -335,7 +335,8 @@ retry:
rt->packets++;
/* send dummy request to keep TCP connection alive */
if ((av_gettime() - rt->last_cmd_time) / 1000000 >= rt->timeout / 2) {
if ((av_gettime() - rt->last_cmd_time) / 1000000 >= rt->timeout / 2 ||
rt->auth_state.stale) {
if (rt->server_type == RTSP_SERVER_WMS ||
(rt->server_type != RTSP_SERVER_REAL &&
rt->get_parameter_supported)) {
@ -343,6 +344,10 @@ retry:
} else {
ff_rtsp_send_cmd_async(s, "OPTIONS", "*", NULL);
}
/* The stale flag should be reset when creating the auth response in
* ff_rtsp_send_cmd_async, but reset it here just in case we never
* called the auth code (if we didn't have any credentials set). */
rt->auth_state.stale = 0;
}
return 0;