@nethesis/astproxy
Version:
Node.js proxy for Asterisk PBX
155 lines (136 loc) • 3.99 kB
JavaScript
/**
* @submodule plugins_command_13
*/
var action = require('../action');
/**
* The module identifier used by the logger.
*
* @property IDLOG
* @type string
* @private
* @final
* @readOnly
* @default [redirectChannel]
*/
var IDLOG = '[redirectChannel]';
(function() {
/**
* The logger. It must have at least three methods: _info, warn and error._
*
* @property logger
* @type object
* @private
* @default console
*/
var logger = console;
try {
/**
* Map associations between ActionID and callback to execute at the end
* of the command.
*
* @property map
* @type {object}
* @private
*/
var map = {};
/**
* Command plugin to redirect a call.
*
* Use it with _astproxy_ module as follow:
*
* ast_proxy.doCmd({ command: 'redirectChannel', context: 'from-internal', chToRedirect: 'SIP/214-00000', to: '220' }, function (res) {
* // some code
* });
*
*
* @class redirectChannel
* @static
*/
var redirectChannel = {
/**
* Execute asterisk action to redirect a call.
*
* @method execute
* @param {object} am Asterisk manager used to send the action
* @param {object} args The object containing optional parameters
* @param {function} cb The callback function
* @static
*/
execute: function(am, args, cb) {
try {
// action for asterisk
var act = {
Action: 'Redirect',
Exten: args.to, // extension to transfer to
Context: args.context, // context to transfer to
Channel: args.chToRedirect, // channel to redirect
Priority: 1 // priority to transfer to
};
// set the action identifier
act.ActionID = action.getActionId('redirectChannel');
// add association ActionID-callback
map[act.ActionID] = cb;
// send action to asterisk
am.send(act);
} catch (err) {
logger.error(IDLOG, err.stack);
}
},
/**
* It is called from _astproxy_ component for each data received
* from asterisk and relative to this command.
*
* @method data
* @param {object} data The asterisk data for the current command
* @static
*/
data: function(data) {
try {
// check callback and info presence and execute it
if (map[data.actionid] && data.response === 'Success') {
map[data.actionid](null);
} else if (map[data.actionid] && data.message && data.response === 'Error') {
map[data.actionid](new Error(data.message));
} else {
map[data.actionid](new Error('error'));
}
delete map[data.actionid]; // remove association ActionID-callback
} catch (err) {
logger.error(IDLOG, err.stack);
if (map[data.actionid]) {
map[data.actionid](err);
delete map[data.actionid];
}
}
},
/**
* Set the logger to be used.
*
* @method setLogger
* @param {object} log The logger object. It must have at least
* three methods: _info, warn and error_
* @static
*/
setLogger: function(log) {
try {
if (typeof log === 'object' &&
typeof log.info === 'function' &&
typeof log.warn === 'function' &&
typeof log.error === 'function') {
logger = log;
} else {
throw new Error('wrong logger object');
}
} catch (err) {
logger.error(IDLOG, err.stack);
}
}
};
// public interface
exports.data = redirectChannel.data;
exports.execute = redirectChannel.execute;
exports.setLogger = redirectChannel.setLogger;
} catch (err) {
logger.error(IDLOG, err.stack);
}
})();