<div dir="ltr">Also, i would remove the session:hangup from the lua script, add an extra action to the extension that handles the check (your xml where you call luarun) and have the hangup there, that way if the lua script does not transfer the call, it will automatically hangup as a default action.<br></div><div class="gmail_extra"><br><div class="gmail_quote">On Sun, Oct 12, 2014 at 9:01 PM, Chris Tunbridge <span dir="ltr"><<a href="mailto:blasterjr@gmail.com" target="_blank">blasterjr@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div>John, the matching parenthesis is found on line 17, there's nothing wrong with the syntax of this file.<br><br></div>Bernhard, what i recommend is setup a separate extension that just does the conference logic for you, then in your lua code, instead of executing the "conference" stuff, simply transfer to your other XML extension that will put the call in a conference. In my experience, FreeSWITCH automatically releases db handlers when a script exits, and this works fairly well for me. <br><br>So i would remove your dbh:release() code, use a transfer. also make sure to do <br><pre>session:setAutoHangup(false)<br></pre><pre>before you transfer the call to your separate XML<br></pre></div><div class="HOEnZb"><div class="h5"><div class="gmail_extra"><br><div class="gmail_quote">On Sun, Oct 12, 2014 at 1:25 PM, John <span dir="ltr"><<a href="mailto:freeswitch@earthspike.net" target="_blank">freeswitch@earthspike.net</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div bgcolor="#FFFFFF" text="#000000">
<div>Bernhard,<br>
<br>
On line 5, you have more '(' than ')'. They need to balance.<span><font color="#888888"><br>
<br>
John</font></span><div><div><br>
<br>
On 12/10/14 18:27, Bernhard Wendel wrote:<br>
</div></div></div><div><div>
<blockquote type="cite">
Hi John,<br>
<br>
what are you trying to tell me? <br>
Since I'm new to LUA you make me wonder whether there is a syntax
error within my code. It should pop up somewhere, shouldn't it?
Because I haven't found one and the code is actually working.<br>
<br>
Or am I missing something?<br>
<br>
Regards,<br>
Bernhard<br>
<br>
<br>
<div>Am 12.10.2014 17:21, schrieb John:<br>
</div>
<blockquote type="cite">
It looks like the parentheses don't match on line 5.<br>
<br>
John<br>
<br>
<div>On 12/10/14 11:45, Bernhard Wendel
wrote:<br>
</div>
<blockquote type="cite">
Hi,<br>
<br>
I'm using the following Lua-Script to check whether a
conference exists and only let a caller join if so.<br>
The script is called via the following dialplan <i><action
application="lua" data="/path/to/script.lua $1" /></i><i>
</i>, where $1 is the destination number.<br>
<br>
<br>
<ol>
<li>-- Connect to a database</li>
<li>local dbh = freeswitch.Dbh("pgsql://hostaddr=127.0.0.1
dbname=database user=username password='password'
application_name='my-lua-script'")</li>
<li>assert(dbh:connected());</li>
<li>-- Execute SQL</li>
<li>dbh:query(string.format("SELECT COUNT(*) as \"MyCount\"
FROM \"MyTable\" WHERE ColA = '%s'", argv[1]),
function(row)</li>
<li> --freeswitch.consoleLog("INFO", "Results: " ..
row.MyCount)</li>
<li> </li>
<li> dbh:release()</li>
<li> </li>
<li> if (row.MyCount== '1') then</li>
<li> freeswitch.consoleLog("INFO", "User is joining
conference at " .. argv[1])</li>
<li> </li>
<li> session:answer()</li>
<li> session:execute("conference", argv[1] ..
"@wideband")</li>
<li> end</li>
<li> session:hangup()</li>
<li>end)</li>
</ol>
<br>
Line 8 instructs FS to return the postgres-Connection back to
the pool - which is as expected. When a user now leaves the
conference, FS throws this errors:<br>
<br>
2014-10-12 10:32:30.065924 [DEBUG] switch_cpp.cpp:694
CoreSession::hangup<br>
2014-10-12 10:32:30.065924 [CRIT] switch_pgsql.c:368 An error
occurred trying to consume input for query (200): connection
pointer is NULL<br>
2014-10-12 10:32:30.065924 [CRIT] switch_pgsql.c:122 No DB
Connection<br>
2014-10-12 10:32:30.065924 [ERR] switch_core_sqldb.c:1177 ERR:
[SELECT COUNT(*) as "MyCount" FROM "MyTable" WHERE ColA =
'conf-1234'][connection pointer is NULL]<br>
2014-10-12 10:32:30.065924 [ERR] freeswitch_lua.cpp:446 DBH
NOT Connected.<br>
2014-10-12 10:32:30.065924 [DEBUG] switch_cpp.cpp:1075 <a href="mailto:sofia/internal/Alice@my.pbx.com" target="_blank">sofia/internal/Alice@my.pbx.com</a>
destroy/unlink session from object<br>
<br>
Now, I could live with that. BUT: The problem is, that
sometimes, when a user leaves the conference, FS crashes.<br>
I've narrowed down the main cause to the above lua script. If
I comment line 8 out, FS stops crashing. This will also stop
FS from reusing Database-Connections. <br>
<br>
Now my questions:<br>
<ol>
<li>I don't use `dbh` after line 8. So where does the error
come from?</li>
<li>How can I stop the error?</li>
<li>How can I rewrite the lua script to have both a)
non-crashing FS and b) reusing of connection?</li>
</ol>
<p><br>
Regards,<br>
Bernhard<br>
</p>
<br>
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