fcoin/lib/net/tcp.js
2017-02-03 09:59:02 -08:00

73 lines
1.5 KiB
JavaScript

/*!
* tcp.js - tcp backend for bcoin
* Copyright (c) 2014-2016, Christopher Jeffrey (MIT License).
* https://github.com/bcoin-org/bcoin
*/
'use strict';
var EventEmitter = require('events').EventEmitter;
var net = require('net');
var socks = require('./socks');
var tcp = exports;
tcp.createSocket = function createSocket(port, host, proxy) {
if (proxy)
return socks.connect(proxy, port, host);
return net.connect(port, host);
};
tcp.createServer = function createServer() {
var server = new net.Server();
var ee = new EventEmitter();
ee.listen = function listen(port, host) {
return new Promise(function(resolve, reject) {
server.listen(port, host, wrap(resolve, reject));
});
};
ee.close = function close() {
return new Promise(function(resolve, reject) {
server.close(wrap(resolve, reject));
});
};
ee.address = function address() {
return server.address();
};
ee.__defineGetter__('maxConnections', function() {
return server.maxConnections;
});
ee.__defineSetter__('maxConnections', function(value) {
server.maxConnections = value;
return server.maxConnections;
});
server.on('listening', function() {
ee.emit('listening');
});
server.on('connection', function(socket) {
ee.emit('connection', socket);
});
server.on('error', function(err) {
ee.emit('error', err);
});
return ee;
};
function wrap(resolve, reject) {
return function(err, result) {
if (err) {
reject(err);
return;
}
resolve(result);
};
}