hello.js

var net = require('net')
var p = require('./oprate_file').p
var express= require('express')

var clientList = []

net.createServer().on('connection', function(client){
	client.name = client.remoteAddress + ':' + client.remotePort
	client.write('Hi!\n' + client.name + '!\n');

	clientList.push(client)

	client.on('data', function(data){
		broadcast(data, client)
	})

	client.on('end',function () {
		clientList.splice(clientList.indexOf(client), 1)
	})


	client.on('err', function(e){
		p(e)
	})

	function broadcast (message, client) {
		var cleanup = []
		for (var i =0 ; i<clientList.length; i++) {
			if(client != clientList[i]){
				if(clientList[i].writable){
				clientList[i].write(client.name + " says " + message)
				}else{
					cleanup.push(clientList[i])
					clientList[i].destory()
				}
			}
		};


		for (i = 0; i<cleanup.length ; i++) {
			clientList.splice(clientList.indexOf(cleanup[i]), 1)
		};
	}


	
}).listen(8888)

p('hello world')