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TcpServer.js
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TcpServer.js
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/**
* Copyright (c) 2015-present, Peel Technologies, Inc.
* All rights reserved.
*
* @providesModule TcpServer
* @flow
*/
var util = require('util');
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);
}
if (EventEmitter instanceof Function) {
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('connection', function (socket) {
self._connections++;
self.emit('connection', socket);
});
// $FlowFixMe: suppressing this error flow doesn't like EventEmitter
this._socket.on('error', function (error) {
self.emit('error', error);
});
if (typeof connectionListener === 'function') {
self.on('connection', connectionListener);
}
this._connections = 0;
}
util.inherits(TcpServer, EventEmitter);
TcpServer.prototype._debug = function () {
if (__DEV__) {
var args = [].slice.call(arguments);
console.log.apply(console, args);
}
};
// TODO : determine how to properly overload this with flow
TcpServer.prototype.listen = function (): TcpServer {
var args = this._socket._normalizeConnectArgs(arguments);
var options = args[0];
var callback = args[1];
var port = options.port;
var host = options.host || '0.0.0.0';
if (callback) {
this.once('listening', callback);
}
this._socket._registerEvents();
Sockets.listen(this._socket._id, host, port);
return this;
};
TcpServer.prototype.getConnections = function (
callback: (err: ?any, count: number) => void,
) {
if (typeof callback === 'function') {
callback.invoke(null, this._connections);
}
};
TcpServer.prototype.address = function (): {
port: number,
address: string,
family: string,
} {
return this._socket ? this._socket.address() : {};
};
TcpServer.prototype.close = function (callback: ?() => void) {
if (typeof callback === 'function') {
if (!this._socket) {
this.once('close', function close() {
callback(new Error('Not running'));
});
} else {
this.once('close', callback);
}
}
if (this._socket) {
this._socket.end();
}
var self = this;
setImmediate(function () {
self.emit('close');
});
};
// unimplemented net.Server apis
TcpServer.prototype.ref = TcpServer.prototype.unref = function () {
/* nop */
};
module.exports = TcpServer;