[RADIATOR] Trace Level and ServerFarm

[Jose Borges Ferreira]

Hi all,

I noticed that when I run Radiator with FarmSize > 1 the trace change via
kill -USR[12] only applies to the parent process.

I've looked at the init script provided and validated via strace that
 start-stop-daemon only sends the kill signal to the parent process PID.

After digging into radiusd I corrected this in two different ways:

 1. Patch the code ( in annex )
 2. Configured USR1Hook and USR2Hook to have similar behaviour .

USR1Hook sub {\
        if ($main::farmInstance == 0) { &main::signal_children('USR1'); }\
        $main::config->{Trace} = &Radius::Log::adjustTrace(1);\
        &main::log($main::LOG_ERR, "Trace level increased to
$main::config->{Trace}");\
    }

USR2Hook sub {\
        if ($main::farmInstance == 0) { &main::signal_children('USR2'); }\
        $main::config->{Trace} = &Radius::Log::adjustTrace(-1);\
        &main::log($main::LOG_ERR, "Trace level decreased to
$main::config->{Trace}");\
    }


The alternative is to send the KILL sign to all children via

killall -USR1 radiusd
or
kill -USR1 `ps auxw | grep radiusd | grep -v grep | cut -b 10-15  `
or whatever

Jose Borges Ferreira
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