2014年12月10日 星期三

Node.js 網路

為了測試 TCP 是否可以和其他的程式交換網路資料,測試了一下
整個專案: https://github.com/hpcslag/node.js_network/
測試有用java net 以及node.js 的 net 模組

node.js TCP Server:

var net = require('net');

net.createServer(function(socket){
 console.log('Connected ' + socket.remoteAddress + ':' +socket.remtoePort);

 socket.on('data',function(data){
  console.log('DATA '+socket.remoteAddress + ":" + data);
  socket.write('You said "'+data+'"');
 });

 socket.on('close',function(){
  process.exit()
 });

 socket.on('close',function(data){
  console.log('CLOSED: '+socket.remoteAddress + ' ' + socket.remotePort);
 })
}).listen(8080,'127.0.0.1');

java 嘗試 client:
/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */

import java.net.*;
import java.io.*;
/**
 *
 * @author Dog
 */
public class Client {
    public static int port = 8080;
    
    public static void main(String args[]) throws Exception{
        String ip = "127.0.0.1";
        Socket client  = new Socket(ip,port);
        InputStream input = client.getInputStream();
        StringBuffer buffer = new StringBuffer();
        try{
            while(true){
                int by = input.read();
                if(by == -1){
                    break;
                }
                byte b = (byte) by;
                buffer.append((char)b);
                System.out.println(buffer.toString());
            }
        }catch(Exception ex){
            input.close();
        }
        
        System.out.println(buffer);
        //one time test should be close client!
        client.close();
    }
}

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