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Asterisk manager interface (ami) client for nodejs

README.md

Introduction

For API and docs, check out the homepage at http://marcelog.github.com/Nami

You can also download the distribution and doc from the CI server, at: http://ci.marcelog.name:8080/view/NodeJS/

A very similar, PHP alternative, is available at http://marcelog.github.com/PAMI An Erlang port is available at https://github.com/marcelog/erlami

Nami by itself is just a library that allows your nodejs code to communicate to an Asterisk Manager Interface (AMI). However, it includes a full application useful to monitor an asterisk installation.

You will be able to login, receive asynchronous events, and send actions (also, asynchronously receiving the according response with their optional related events).

This is supported by the Nami class (er.. function) which inherits from EventEmitter, so your application is able to subscribe to the interesting nami events.

Requirements

  • Nodejs (Tested with 0.6.5)
  • log4js (For logging, tested with 0.3.9)

Events used in Nami

  • namiConnected: Emitted when nami could successfully connect and logged in to an AMI server.
  • namiConnection: Emitted for all connection related events. Listen to this generic event for the status of the socket connection.
  • namiConnection(EventName): Emitted for the status of the connection. States include: Connect, End, Error, Timeout, and Close. The Error event will emit right before the Close event and includes the error that was thrown. The Close event includes a boolean value (had_error) if an error was thrown.
  • namiEvent: Emitted for all events. Listen to this generic event if you want to catch any events.
  • namiEvent(EventName): These events are thrown based on the event name received. Let's say nami gets an event named "Dial", "VarSet", or "Hangup". This will emit the events: "namiEventDial", "namiEventVarSet", and "NamiEventHangup".
  • namiLoginIncorrect: Emitted when the login action fails (wrong password, etc).
  • namiInvalidPeer: Emitted if nami tried to connect to anything that did not salute like an AMI 1.1, 1.2, or 1.3.

Internal Nami events

  • namiRawMessage: Whenever a full message is received from the AMI (delimited by double crlf), this is emitted to invoke the decode routine. After namiRawMessage, the decodification routine runs to properly identify this message as a response, an event that belongs to a response, or an async event from server.
  • namiRawEvent: Emitted when the decodification routine classified the received message as an async event from server.
  • namiRawResponse: Emitted when the decodification routine classified the received message as a response to an action.

Installation

$ npm install log4js
$ npm install nami

-or- Download it from this repo :)

Configuration

Nami expects a configuration object, very much like this:

var namiConfig = {
    host: "amihost",
    port: 5038,
    username: "admin",
    secret: "secret"
};

Quickstart

$ mkdir testnami
$ cd testnami
$ npm install log4js
$ npm install nami
var nami = new (require("nami").Nami)(namiConfig);
nami.on('namiEvent', function (event) { });
nami.on('namiEventDial', function (event) { });
nami.on('namiEventVarSet', function (event) { });
nami.on('namiEventHangup', function (event) { });
process.on('SIGINT', function () {
    nami.close();
    process.exit();
});
nami.on('namiConnected', function (event) {
    nami.send(new namiLib.Actions.CoreShowChannelsAction(), function(response){
        logger.debug(' ---- Response: ' + util.inspect(response));
    });
});
nami.open();

Adding variables to actions

Use the property 'variables' in the actions:

var action = new namiLib.Actions.Status();
action.variables = {
    'var1': 'val1'
};
nami.send(action, function(response) {
    ...
});

A Better example

See src/index.js for a better example (including how to reconnect when the current connection closes).

That's about it.

Multiple server support

See this gist for an example of how to connect to multiple asterisk boxes.

Supported Actions (Check the api for details)

  • Login
  • Logoff
  • Ping
  • Hangup
  • CoreShowChannels
  • CoreStatus
  • CoreSettings
  • Status
  • DahdiShowChannels
  • ListCommands
  • AbsoluteTimeout
  • SipShowPeer
  • SipShowRegistry
  • SipQualifyPeer
  • SipPeers
  • AgentLogoff
  • Agents
  • AttendedTransfer
  • ChangeMonitor
  • Command
  • CreateConfig
  • DahdiDialOffHook
  • DahdiDndOff
  • DahdiDndOn
  • DahdiHangup
  • DahdiRestart
  • DbDel
  • DbDeltree
  • DbGet
  • DbPut
  • ExtensionState
  • GetConfig
  • GetConfigJson
  • GetVar
  • SetVar
  • JabberSend
  • ListCategories
  • PauseMonitor
  • LocalOptimizeAway
  • Reload
  • PlayDtmf
  • Park
  • ParkedCalls
  • Monitor
  • ModuleCheck
  • ModuleLoad
  • ModuleReload
  • ModuleUnload
  • MailboxCount
  • MailboxStatus
  • VoicemailUsersList
  • Originate
  • Redirect
  • UnpauseMonitor
  • StopMonitor
  • ShowDialPlan
  • SendText
  • Queues
  • QueueUnpause
  • QueuePause
  • QueueSummary
  • QueueStatus
  • QueueRule
  • QueueRemove
  • QueueAdd
  • QueueLog

Thanks to

  • Joshua Elson for his help in trying and debugging in loaded asterisk servers and testing with node 0.6.5 and newer npm versions
  • Jon Hoult for his help in testing with AMI 1.2
  • Jonathan Nicholson (rooftopsparrow) for working on exposing connection events, making reconnections a breeze.
  • Moshe Brevda for his contributions
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