react-native-tcp/TcpServer.js

96 lines
2.3 KiB
JavaScript

/**
* Copyright (c) 2015-present, Peel Technologies, Inc.
* All rights reserved.
*
* @providesModule TcpServer
* @flow
*/
'use strict';
var inherits = require('inherits');
var EventEmitter = require('events').EventEmitter;
var {
NativeModules
} = require('react-native');
var Sockets = NativeModules.TcpSockets;
var Socket = require('./TcpSocket');
function TcpServer(connectionListener: (socket: Socket) => void) {
if (!(this instanceof TcpServer)) {
return new TcpServer(connectionListener);
}
// $FlowFixMe: suppressing this error flow doesn't like EventEmitter
EventEmitter.call(this);
var self = this;
this._socket = new Socket();
// $FlowFixMe: suppressing this error flow doesn't like EventEmitter
this._socket.on('connect', function() {
self.emit('listening');
});
// $FlowFixMe: suppressing this error flow doesn't like EventEmitter
this._socket.on('error', function(error) {
self.emit('error', error);
self._socket.destroy();
});
// $FlowFixMe: suppressing this error flow doesn't like EventEmitter
this._socket.on('close', function() {
self.emit('close');
});
// $FlowFixMe: suppressing this error flow doesn't like EventEmitter
this._socket.on('connection', function(socketId) {
self._connections++;
var socket = new Socket({ _id: socketId });
self.emit('connection', socket);
});
if (connectionListener === typeof 'function') {
self.on('connection', connectionListener);
}
this._connections = 0;
}
inherits(TcpServer, EventEmitter);
TcpServer.prototype._debug = function() {
if (__DEV__) {
var args = [].slice.call(arguments);
console.log.apply(console, args);
}
};
TcpServer.prototype.listen = function(options: { port: number, hostname: ?string }, callback: ?() => void) : TcpServer {
var port = Number(options.port);
var hostname = options.hostname || 'localhost';
if (callback) {
this.on('listening', callback);
}
Sockets.listen(this._socket._id, hostname, port);
return this;
};
TcpServer.prototype.getConnections = function(callback: (err: ?any, count: number) => void) {
if (typeof callback === 'function') {
callback.invoke(null, this._connections);
}
};
TcpServer.prototype.close = function(callback: ?() => void) {
if (callback) {
this.on('close', callback);
}
this._socket.end();
};
module.exports = TcpServer;