gntp/lib/client.js

Full, native, Growl Notification Transport Protocol (GNTP)implementation.

/*--------------------------
    Client object/class
*/
var constants = require('./constants.js')
    , net = require('net')
    , events = require('events')
    , Message = require('./message.js')
    , Application = require('./application.js')
    , ApplicationRequest = require('./applicationRequest.js')
    , Notification = require('./notification.js')
    , NotificationRequest = require('./notificationRequest.js')

function Client () {
    this.host = '127.0.0.1';
    this.port = 23053;
    this.password = '';
    this.debug = false;
    
    events.EventEmitter.call(this);
}
Client.prototype = new events.EventEmitter();
module.exports = Client;

Client.prototype.sendMessage = function (request){
    var response;
    var sock = net.createConnection(this.port,this.host);
    var self = this;
    var chunkSize = 1024;
    var eomLength = 6;
    var recvd = 0;
    var msgdata = new Buffer(chunkSize);
    var message = new Message();
    //sock.setTimeout(3000);
    sock.on('connect',function () {
        var protocol = request.protocolString();
        var mime = request.mime();
        var mBuff = new Buffer(protocol.length+mime.length+(constants.EndLine.length));
        mBuff.write(protocol,0,'utf8');
        mime.copy(mBuff,protocol.length,0);
        mBuff.write(constants.EndLine,protocol.length+mime.length,'utf8');
        
        sock.write(mBuff);
        
        self.emit('sent');
    });
    sock.on('data',function (data){
        
        var error
        //console.log('Recv:\r\n'+data.toString());
        if( !message.parseInfo.complete ){
            message.parse_stream(data);
            if( message.parseInfo.error ){
                self.emit('error',message)
            }else if( message.parseInfo.complete ){
                //console.log('emitting response!');
                self.emit('response',message)
            }
        }
    });
    sock.on('error',function (exception) { 
        //console.log("socket error:"+exception);
        message.parseInfo.error = constants.ErrorEnum.NETWORK_FAILURE
        self.emit('error',message)
    });
    sock.on('close',function (had_error) { 
        //console.log('socket closed.'+(had_error?' with eror':''));
    });
    sock.on('timeout',function () { 
        //console.log('socket timeout');
        message.parseInfo.error = constants.ErrorEnum.TIMED_OUT
        self.emit('error',message)
        sock.destroy(); 
    });
    
};