[Freeswitch-users] sched_api doesn't get launched

Fri Oct 23 01:54:45 PDT 2009

Thanks to c6burns on IRC channel for the tip to use execute_on_answer in
combination with eval, and of course everyone here that pointing me to the
right direction.
I was able to execute sched_api with eval, but not with the combination of
execute_on_answer. The argument just don't get parsed as the eval argument.
Here is the code:

setVariable("execute_on_answer", "eval sched_api(+%ld none uuid_displace
<some uuid> start
/usr/local/freeswitch/sounds/en/us/callie/misc/8000/final.wav 20 mux)");

Here is the log:
2009-10-23 16:17:53.633189 [DEBUG] switch_scheduler.c:214 Added task 2
sched_api_function (none) to run at 1256285888
EXECUTE sofia/internal/1688004 at 192.168.1.66 *eval(+OK *Added: 2
)

2009-10-23 16:18:04.52701 [DEBUG] switch_channel.c:1927 sofia/internal/
1688004 at 192.168.1.66 *execute on answer: eval(sched_api(+37 none
uuid_displace 84d74f41-8668-4138-943f-f076e94046ad start
/usr/local/freeswitch/sounds/en/us/callie/misc/8000/final.wav 20 mux))*
EXECUTE sofia/internal/1688004 at 192.168.1.66 eval(sched_api(+37 none
uuid_displace 84d74f41-8668-4138-943f-f076e94046ad start
/usr/local/freeswitch/sounds/en/us/callie/misc/8000/final.wav 20 mux))

The first part of the log is when I just do execute("eval",
"${sched_api(+%ld none uuid_displace <some uuid> start
/usr/local/freeswitch/sounds/en/us/callie/misc/8000/final.wav 20 mux)}");
And I simple get a OK, and then later on the sched_api gets executed.

However, on the excerpt of the second log. which I use the combination with
execute_on_answer like specified in the yellow hight code above. It doesn't
simply return a OK, instead it shows the whole blob of code. and does
nothing later.

On Thu, Oct 22, 2009 at 4:09 AM, Anthony Minessale <
anthony.minessale at gmail.com> wrote:

> Yes you need an API object as described in other email.
>
> Which line of code from java caused that segfault
> It looks like a simple NULL string issue that we may want to hunt down.
>
>
> On Wed, Oct 21, 2009 at 4:44 AM, Henry Huang <red.rain.seven at gmail.com>wrote:
>
>> I can't seem to find the right thing to use in mod_java to execute api
>> commands, only api_after_bridge
>>
>> 2009-10-21 17:42:46.593094 [NOTICE] mod_sofia.c:1509 Pre-Answer
>> sofia/internal/1688003 at 192.168.1.66!
>> #
>> # A fatal error has been detected by the Java Runtime Environment:
>> #
>> #  SIGSEGV (0xb) at pc=0x004e4480, pid=1927, tid=16116624
>> #
>> # JRE version: 6.0_16-b01
>> # Java VM: Java HotSpot(TM) Client VM (14.2-b01 mixed mode linux-x86 )
>> # Problematic frame:
>> # C  [libc.so.6+0x6f480]  strcpy+0x10
>> #
>> # An error report file with more information is saved as:
>> # /usr/local/freeswitch/bin/hs_err_pid1927.log
>> 2009-10-21 17:42:59.883729 [ERR] switch_core_session.c:1374 Invalid
>> Application sched_api
>> 2009-10-21 17:42:59.883729 [NOTICE] switch_core_session.c:1375 Hangup
>> sofia/internal/1688003 at 192.168.1.66 [CS_EXECUTE]
>> [DESTINATION_OUT_OF_ORDER]
>> #
>> # If you would like to submit a bug report, please visit:
>> #   http://java.sun.com/webapps/bugreport/crash.jsp
>> # The crash happened outside the Java Virtual Machine in native code.
>> # See problematic frame for where to report the bug.
>>
>>
>> On Sat, Oct 17, 2009 at 3:37 AM, Michael Collins <msc at freeswitch.org>wrote:
>>
>>>
>>>
>>> On Fri, Oct 16, 2009 at 11:53 AM, Henry Huang <red.rain.seven at gmail.com>wrote:
>>>
>>>> So how would you trigger it from a script dialplan? The only time it
>>>> seemed to work is when I did setVariable("api_after_bridge", "sched_api blah
>>>> blah blah");
>>>> but then it gets executed after the channel's been teared down. I
>>>> thought api_after_bridge means right after the call gets connected.
>>>>
>>>> I need something to execute an api command right before or right after
>>>> the call gets bridged.
>>>>
>>>> api_after_bridge is a channel variable, so using setVariable works just
>>> fine. If you need to sched_api is an API only. Check these out:
>>> http://wiki.freeswitch.org/wiki/Mod_commands#Misc._Commands
>>>
>>> So you need an API object in order to use it. I don't know the syntax for
>>> creating an api obj in Java but in Lua it goes like this:
>>> api = freeswitch.API();
>>> res = api:execute("sched_api","+300 none my_api my_api_args")
>>>
>>> Remember, if the method you are using isn't found in the dial plan tools
>>> then it isn't a dial plan application. Make sure it's on the list:
>>> http://wiki.freeswitch.org/wiki/Mod_dptools
>>>
>>> On the other hand, API commands are listed here:
>>> http://wiki.freeswitch.org/wiki/Mod_commands
>>>
>>> dptools require a session object, api commands require an api object...
>>>
>>> -MC
>>>
>>>
>>> _______________________________________________
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>>> FreeSWITCH-users at lists.freeswitch.org
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>>> http://www.freeswitch.org
>>>
>>>
>>
>>
>> --
>> Henry Huang
>> UniC Solution - Communication Unified
>> VoIP & Open Source software Consultant
>>
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>>
>>
>
>
> --
> Anthony Minessale II
>
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-- 
Henry Huang
UniC Solution - Communication Unified
VoIP & Open Source software Consultant
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