> I am using Live555 to run an RTSP server on an embedded system, and I would
> like to restart the server programmatically. However, the current RTSPServer
> implementation does not allow the same port to be re-used if the socket is in
> a TIME_WAIT state.
>
> I had a look around and saw a previous thread regarding this issue
> (http://lists.live555.com/pipermail/live-devel/2011-July/013664.html).
Actually, this thread starts at
http://lists.live555.com/pipermail/live-devel/2011-July/013648.html
I suggest reading this entire thread to better understand the issues involved.
> For debugging it is not too difficult to reboot my system or wait for the
> TIME_WAIT state to end, but for restarting programmatically it would be nice
> if there were an option to tell the RTSPServer class that I want it to reuse
> the same port even if there is a socket on that port in the TIME_WAIT state.
>
> I can obviously change the code, and have done so, but thought I would throw
> my vote in for allowing this behavior by design. If you would like a patch
> for the changes I made (basically adding a default parameter ‘Boolean
> allowPortReuse = false’ to the relevant RTSPServer functions), I would be
> happy to send one.
I don't want to add a runtime parameter for this - in part because there are
already three default parameters to "RTSPClient::createNew()", and I'd rather
not add another one. (Also, I don't want to make it too easy for people to
disable the 'port reuse' check unless (like you) they know what they doing -
otherwise we might actually end up with people trying to have more than one
server running on the same port at the same time.)
What I can do, however, is add a #ifndef/#endif around the "NoReuse dummy;"
statement on line 156 of "RTSPServer.cpp" - i.e., making it:
#ifndef ALLOW_RTSP_SERVER_PORT_REUSE
NoReuse dummy;
#endif
Then, you can add
-D ALLOW_RTSP_SERVER_PORT_REUSE=1
to the "COMPILE_OPTS =" line of your "config." file.
I hope that will work for you...
Ross Finlayson
Live Networks, Inc.
http://www.live555.com/
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