lib/client/client.js
function connectSocket(cb) {
    cb = once(cb);

    function onResult(err, res) {
      if (err) {
        if (self.connectTimer) {
          clearTimeout(self.connectTimer);
          self.connectTimer = null;
        }
        self.emit('connectError', err);
      }
      cb(err, res);
    }
    function onConnect() {
      if (self.connectTimer) {
        clearTimeout(self.connectTimer);
        self.connectTimer = null;
      }
      socket.removeAllListeners('error')
        .removeAllListeners('connect')
        .removeAllListeners('secureConnect');

      tracker.id = nextClientId() + '__' + tracker.id;
      self.log = self.log.child({ldap_id: tracker.id}, true);

      // Move on to client setup
      setupClient(cb);
    }

    var port = (self.port || self.socketPath);
    if (self.secure) {
      socket = tls.connect(port, self.host, self.tlsOptions);
      socket.once('secureConnect', onConnect);
    } else {
      socket = net.connect(port, self.host);
      socket.once('connect', onConnect);
    }
    socket.once('error', onResult);
    initSocket();

    // Setup connection timeout handling, if desired
    if (self.connectTimeout) {
      self.connectTimer = setTimeout(function onConnectTimeout() {
        if (!socket || !socket.readable || !socket.writeable) {
          socket.destroy();
          self._socket = null;
          onResult(new ConnectionError('connection timeout'));
        }
      }, self.connectTimeout);
    }
  }
function connectSocket(cb) {
    cb = once(cb);

    function onResult(err, res) {
      if (err) {
        if (self.connectTimer) {
          clearTimeout(self.connectTimer);
          self.connectTimer = null;
        }
        self.emit('connectError', err);
      }
      cb(err, res);
    }
    function onConnect() {
      if (self.connectTimer) {
        clearTimeout(self.connectTimer);
        self.connectTimer = null;
      }
      socket.removeAllListeners('error')
        .removeAllListeners('connect')
        .removeAllListeners('secureConnect');

      tracker.id = nextClientId() + '__' + tracker.id;
      self.log = self.log.child({ldap_id: tracker.id}, true);

      // Move on to client setup
      setupClient(cb);
    }

    var port = (self.port || self.socketPath);
    if (self.secure) {
      socket = tls.connect(port, self.host, self.tlsOptions);
      socket.once('secureConnect', onConnect);
    } else {
      socket = net.connect(port, self.host);
      socket.once('connect', onConnect);
    }
    socket.once('error', onResult);
    initSocket();

    // Setup connection timeout handling, if desired
    if (self.connectTimeout) {
      self.connectTimer = setTimeout(function onConnectTimeout() {
        if (!socket || !socket.readable || !socket.writeable) {
          socket.destroy();
          self._socket = null;
          onResult(new ConnectionError('connection timeout'));
        }
      }, self.connectTimeout);
    }
  }
function connectSocket ( cb ) { cb = once ( cb ) ; function onResult ( err , res ) { if ( err ) { if ( self . connectTimer ) { clearTimeout ( self . connectTimer ) ; self . connectTimer = null ; } self . emit ( 'connectError' , err ) ; } cb ( err , res ) ; } function onConnect ( ) { if ( self . connectTimer ) { clearTimeout ( self . connectTimer ) ; self . connectTimer = null ; } socket . removeAllListeners ( 'error' ) . removeAllListeners ( 'connect' ) . removeAllListeners ( 'secureConnect' ) ; tracker . id = nextClientId ( ) + '__' + tracker . id ; self . log = self . log . child ( { ldap_id : tracker . id } , true ) ; // Move on to client setup setupClient ( cb ) ; } var port = ( self . port || self . socketPath ) ; if ( self . secure ) { socket = tls . connect ( port , self . host , self . tlsOptions ) ; socket . once ( 'secureConnect' , onConnect ) ; } else { socket = net . connect ( port , self . host ) ; socket . once ( 'connect' , onConnect ) ; } socket . once ( 'error' , onResult ) ; initSocket ( ) ; // Setup connection timeout handling, if desired if ( self . connectTimeout ) { self . connectTimer = setTimeout ( function onConnectTimeout ( ) { if ( ! socket || ! socket . readable || ! socket . writeable ) { socket . destroy ( ) ; self . _socket = null ; onResult ( new ConnectionError ( 'connection timeout' ) ) ; } } , self . connectTimeout ) ; } }
Establish basic socket connection
Establish basic socket connection