[Freeswitch-users] Freeswitch Scripting strangeness

[Anthony Minessale]

Your assumption is correct.

however,

open file handles are not threadsafe and you cannot have 2 threads opening
the same file and expect sane results.  That's why syslog is a udp network
server so it can serialize the log messages into a single threaded open file
handle in the central syslog process.


On Tue, May 11, 2010 at 4:39 PM, paul bilke <fsmail at conspiracy.net> wrote:

> I am working on a system that invokes a LUA script of the dial plan to
> handle interaction on the call.
> All is fine when running a single instance of the script (one call).  The
> issue is when there is more than one call things become erratic.
> Right now the script opens a log file who's name is based on the date of
> the call and its DNIS using io.open with append.
> The script then writes lines to file as it runs detailing its actions.  The
> same log function also uses posix.syslog to log the same information
> via syslog.  All is fine when there is one call up.
> If there is more than one concurrent on two different DNIS's both log files
> a present but have output that was created by the other call.
> The syslog is sane but not the file of logging information.  The time stamp
> will jump backward and pickup with information from the other call
> (can tell via the UUID)
> It is my assumption that each call should spin up a thread and they should
> share no data/variables/handles with other calls in the system.  Looking at
> the logs indicates there is some issue but logging is not the only issue
> since it seems that call events updating state information is affecting the
> other
> call also.
> If my assumption on a isolated thread per call is incorrect let me know.
> I inherited this code and suspect that running an application out of the
> dialplan script is unconventional.
> Paul
>
>
>
>
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-- 
Anthony Minessale II

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