[OpenSIPS-Devel] SF.net SVN: opensips:[8760] trunk

[Bogdan-Andrei Iancu]

Revision: 8760
          http://opensips.svn.sourceforge.net/opensips/?rev=8760&view=rev
Author:   bogdan_iancu
Date:     2012-03-05 17:58:40 +0000 (Mon, 05 Mar 2012)
Log Message:
-----------
- added patch to provides TCP keepalive to OpenSIPS. During testing we found that if a TCP connection is kept idle on one direction for a long time some routers would half close it, so even if all clients usually send TCP keepalives it's also good to do it from the server side.

The patch adds 4 new core configuration options:
- tcp_keepalive (boolean): enable / disable TCP keepalive
- tcp_keepcount: number of keepalives to send before closing the connection (Linux only)
- tcp_keepidle: amount of time before OpenSIPS will start to send keepalives if the connection is idle (Linux only)
- tcp_keepinterval: interval between keepalive probes, if the previous one failed (Linux only)

Provided by Saul Ibarra Corretge
Closes patch ID 3478961

Modified Paths:
--------------
    trunk/cfg.lex
    trunk/cfg.y
    trunk/globals.h
    trunk/tcp_conn.h
    trunk/tcp_main.c

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