session:setAutoHangup(false)
before you transfer the call to your separate XML
Bernhard,
On line 5, you have more '(' than ')'. They need to balance.
John
On 12/10/14 18:27, Bernhard Wendel wrote:
Hi John,
what are you trying to tell me?
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.
Or am I missing something?
Regards,
Bernhard
Am 12.10.2014 17:21, schrieb John:
It looks like the parentheses don't match on line 5.
John
On 12/10/14 11:45, Bernhard Wendel wrote:
Hi,
I'm using the following Lua-Script to check whether a conference exists and only let a caller join if so.
The script is called via the following dialplan <action application="lua" data="/path/to/script.lua $1" /> , where $1 is the destination number.
- -- Connect to a database
- local dbh = freeswitch.Dbh("pgsql://hostaddr=127.0.0.1 dbname=database user=username password='password' application_name='my-lua-script'")
- assert(dbh:connected());
- -- Execute SQL
- dbh:query(string.format("SELECT COUNT(*) as \"MyCount\" FROM \"MyTable\" WHERE ColA = '%s'", argv[1]), function(row)
- --freeswitch.consoleLog("INFO", "Results: " .. row.MyCount)
- dbh:release()
- if (row.MyCount== '1') then
- freeswitch.consoleLog("INFO", "User is joining conference at " .. argv[1])
- session:answer()
- session:execute("conference", argv[1] .. "@wideband")
- end
- session:hangup()
- end)
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:
2014-10-12 10:32:30.065924 [DEBUG] switch_cpp.cpp:694 CoreSession::hangup
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
2014-10-12 10:32:30.065924 [CRIT] switch_pgsql.c:122 No DB Connection
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]
2014-10-12 10:32:30.065924 [ERR] freeswitch_lua.cpp:446 DBH NOT Connected.
2014-10-12 10:32:30.065924 [DEBUG] switch_cpp.cpp:1075 sofia/internal/Alice@my.pbx.com destroy/unlink session from object
Now, I could live with that. BUT: The problem is, that sometimes, when a user leaves the conference, FS crashes.
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.
Now my questions:
- I don't use `dbh` after line 8. So where does the error come from?
- How can I stop the error?
- How can I rewrite the lua script to have both a) non-crashing FS and b) reusing of connection?
Regards,
Bernhard
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