[Freeswitch-users] Node.JS ESL libraries

[Dmitry Sytchev]

https://github.com/englercj/node-esl  is modeled after standard FS esl libs
and seems to implement full spec
I faced some strange troubles with malformed UTF8 symbols in messages, but
it works well and is fully async.


2013/5/22 Thomas Lee <thomas.lee at octon.net>

> Hi,
>
> Please take a look.
>
> I'm using node.js and esl (https://github.com/shimaore/esl)
>
> For example,
> --------------------------------------------------
> //
> // esl-test1.js
> //
>
> var esl = require('esl');
> var util = require('util');
>
> var audio_file = [];
> //
> // play and get digits
> // <min> <max> <tries> <timeout> <terminators> <file> <invalid_file>
> <var_name> <regexp> <digit_timeout>
> //
> audio_file[0]='1 1 3 5000 # sounds/mywav/0.wav';
> audio_file[1]='1 1 3 5000 # sounds/mywav/1.wav';
> audio_file[2]='1 1 3 5000 # sounds/mywav/2.wav';
> audio_file[3]='1 1 3 5000 # sounds/mywav/3.wav';
> audio_file[4]='1 1 3 5000 # sounds/mywav/4.wav';
> audio_file[5]='1 1 3 5000 # sounds/mywav/5.wav';
> audio_file[6]='1 1 3 5000 # sounds/mywav/6.wav';
> audio_file[7]='1 1 3 5000 # sounds/mywav/7.wav';
> audio_file[8]='1 1 3 5000 # sounds/mywav/8.wav';
> audio_file[9]='1 1 3 5000 # sounds/mywav/9.wav';
> audio_file[10]='1 1 3 5000 # sounds/mywav/10.wav';
> audio_file[11]='1 1 3 5000 # sounds/mywav/11.wav';
> audio_file[12]='1 1 3 5000 # sounds/mywav/12.wav';
> audio_file[13]='1 1 3 5000 # sounds/mywav/13.wav';
>
> var error3 = '1 1 3 5000 # sounds/mywav/error3.wav';
> var welcome = '1 1 3 5000 # sounds/mywav/hello.wav';
>
>
> var server = esl.createCallServer();
> //var server = esl.createClient();
>
> server.on('CONNECT', function(req, res) {
>
>         var uri, channel_data, unique_id;
>
>         channel_data = req.body;
>         unique_id = channel_data['Unique-ID'];
>
>
>         req.execute('answer');
>
>         //req.execute('playback', 'sounds/mywav/hello.wav');
>
>         //req.execute('play_and_get_digits', '2 5 3 7000 #
> sounds/mywav/hello.wav sounds/mywav/error3.wav myFoo \d+');
>         req.execute('play_and_get_digits', welcome);
>
>         req.on('DTMF', function(req) {
>
>                 //util.log('DTMF:'+util.inspect(req, null, null));
>
>                 var digit;
>                 var channel_data;
>                 channel_data = req.body;
>                 unique_id = channel_data['Unique-ID'];
>
>                 util.log('DTMF: unique_id='+unique_id);
>
>                 digit = channel_data['DTMF-Digit'];
>                 console.log('DTMF Received=' + digit);
>                 util.log('DTMF Received');
>                 if(digit==='#' || digit==='*'){
>
>                         req.execute('play_and_get_digits', error3);
>
>
>                 } else {
>
>                         var n = parseInt(digit);
>
>                         req.execute('play_and_get_digits', audio_file[n]);
>
>
>                 }
>
>
>                 return;
>         });
>
>         req.on('CHANNEL_ANSWER', function(req) {
>
>                 //util.log('CHANNEL_ANSWER:'+util.inspect(req, null,
> null));
>                 var channel_data;
>                 channel_data = req.body;
>                 unique_id = channel_data['Unique-ID'];
>
>                 util.log('CHANNEL_ANSWER: unique_id='+unique_id);
>
>                 return util.log('Call was answered');
>         });
>
>         req.on('CHANNEL_HANGUP', function(req) {
>
>                 //util.log('CHANNEL_HANGUP:'+util.inspect(req, null,
> null));
>                 var channel_data;
>                 channel_data = req.body;
>                 unique_id = channel_data['Unique-ID'];
>
>                 util.log('CHANNEL_HANGUP: unique_id='+unique_id);
>
>                 console.log('CHANNEL_HANGUP');
>                 return util.log('CHANNEL_HANGUP');
>         });
>
>         req.on('CHANNEL_HANGUP_COMPLETE', function(req) {
>
>                 ///util.log('CHANNEL_HANGUP_COMPLETE:'+util.inspect(req,
> null, null));
>
>                 var channel_data;
>                 channel_data = req.body;
>                 unique_id = channel_data['Unique-ID'];
>
>                 util.log('CHANNEL_HANGUP_COMPLETE: unique_id='+unique_id);
>
>                 console.log('CHANNEL_HANGUP_COMPLETE');
>                 return util.log('CHANNEL_HANGUP_COMPLETE');
>         });
>
>         req.on('DISCONNECT', function(req) {
>
>                 //util.log('DISCONNECT:'+util.inspect(req, null, null));
>                 var channel_data;
>                 channel_data = req.body;
>                 unique_id = channel_data['Unique-ID'];
>
>                 util.log('DISCONNECT: unique_id='+unique_id);
>
>                 console.log('DISCONNECT');
>                 return util.log('DISCONNECT');
>         })
>
>         //util.log('CONNECT: req '+util.inspect(req, null, null));
>         util.log('CONNECT: unique_id='+unique_id);
>
>         return util.log('CONNECT received');
>
> });
>
> server.listen(9173);
>
> -----------------------------------------------
>
> Thanks
>
> Regards,
> Thomas Lee
>
>
>
> --
> View this message in context:
> http://freeswitch-users.2379917.n2.nabble.com/Node-JS-ESL-libraries-tp7590562p7590938.html
> Sent from the freeswitch-users mailing list archive at Nabble.com.
>
> _________________________________________________________________________
> Professional FreeSWITCH Consulting Services:
> consulting at freeswitch.org
> http://www.freeswitchsolutions.com
>
> 
> 
>
> Official FreeSWITCH Sites
> http://www.freeswitch.org
> http://wiki.freeswitch.org
> http://www.cluecon.com
>
> FreeSWITCH-users mailing list
> FreeSWITCH-users at lists.freeswitch.org
> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
> http://www.freeswitch.org
>



-- 
Best regards,

Dmitry Sytchev,
IT Engineer
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.freeswitch.org/pipermail/freeswitch-users/attachments/20130522/3dbca82c/attachment-0001.html