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Implemented SVDRP peering

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Klaus Schmidinger
2015-05-22 13:44:43 +02:00
parent 2b9e988dd5
commit c3b0347556
7 changed files with 840 additions and 170 deletions
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24
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@@ -8652,8 +8652,22 @@ Video Disk Recorder Revision History
"Setup/Miscellaneous/SVDRP timeout (s)").
- The SVDRP log messages have been unified and now always contain the IP and port
number of the remote host.
- SVDRP connections are now handled in a separate thread, which makes them more
responsive. Note that there is only one thread that handles all concurrent SVDRP
connections. That way each SVDRP command is guaranteed to be processed separately,
without interfering with any other SVDRP commands that might be issued at the same
time.
- SVDRP connections are now handled in a separate "SVDRP server handler" thread,
which makes them more responsive. Note that there is only one thread that handles
all concurrent SVDRP connections. That way each SVDRP command is guaranteed to be
processed separately, without interfering with any other SVDRP commands that might
be issued at the same time. Plugins that implement SVDRP commands may need to take
care of proper locking if the commands access global data.
- VDR now sends out a broadcast to port 6419/udp, which was assigned to 'svdrp-disc'
by the IANA. VDRs listening on that port will automatically initiate an SVDRP
connection to the broadcasting VDR, and in turn send out a broadcast to make
other VDRs connect to them. That way all VDRs within the local network will
have permanent "peer-to-peer" SVDRP connections between each other. The
configuration in the svdrphosts.conf file is taken into account when considering
whether or not to respond to an SVDRP discover broadcast.
- The new SVDRP command PING is used by automatically established peer-to-peer
connections to keep them alive.
- The new function GetSVDRPServerNames() can be used to get a list of all VDRs
this VDR is connected to via SVDRP.
- The new class cSVDRPCommand can be used to execute an SVDRP command on one of
the servers this VDR is connected to, and retrieve the result.