Unity3d使用Socket与java服务器通信
程序员文章站
2022-03-26 14:40:19
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转自：https://blog.csdn.net/AngelMyMei/article/details/40742825
---------------------------客户端----------------------------------------
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Net;
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using System.Net.Sockets;
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using System.Threading;
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using UnityEngine;
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/*
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*
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*Socket客户端通信类
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*
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* lm
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*/
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public class SocketHelper
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{
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private static SocketHelper socketHelper=new SocketHelper();
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private Socket socket;
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//饿汉模式
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public static SocketHelper GetInstance()
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{
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return socketHelper;
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}
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private SocketHelper() {
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//采用TCP方式连接
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socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
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//服务器IP地址
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IPAddress address = IPAddress.Parse("127.0.0.1");
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//服务器端口
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IPEndPoint endpoint = new IPEndPoint(address,8000);
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//异步连接,连接成功调用connectCallback方法
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IAsyncResult result = socket.BeginConnect(endpoint, new AsyncCallback(ConnectCallback), socket);
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//这里做一个超时的监测，当连接超过5秒还没成功表示超时
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bool success = result.AsyncWaitHandle.WaitOne(5000, true);
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if (!success)
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{
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//超时
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Closed();
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Debug.Log("connect Time Out");
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}
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else
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{
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//与socket建立连接成功，开启线程接受服务端数据。
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Thread thread = new Thread(new ThreadStart(ReceiveSorket));
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thread.IsBackground = true;
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thread.Start();
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}
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}
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private void ConnectCallback(IAsyncResult asyncConnect)
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{
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Debug.Log("connect success");
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}
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private void ReceiveSorket()
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{
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//在这个线程中接受服务器返回的数据
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while (true)
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{
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if (!socket.Connected)
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{
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//与服务器断开连接跳出循环
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Debug.Log("Failed to clientSocket server.");
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socket.Close();
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break;
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}
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try
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{
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//接受数据保存至bytes当中
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byte[] bytes = new byte[4096];
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//Receive方法中会一直等待服务端回发消息
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//如果没有回发会一直在这里等着。
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int i = socket.Receive(bytes);
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if (i <= 0)
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{
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socket.Close();
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break;
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}
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Debug.Log(System.Text.Encoding.Default.GetString(bytes));
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}
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catch (Exception e)
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{
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Debug.Log("Failed to clientSocket error." + e);
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socket.Close();
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break;
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}
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}
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}
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//关闭Socket
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public void Closed()
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{
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if (socket != null && socket.Connected)
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{
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socket.Shutdown(SocketShutdown.Both);
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socket.Close();
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}
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socket = null;
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}
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//向服务端发送一条字符串
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//一般不会发送字符串 应该是发送数据包
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public void SendMessage(string str)
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{
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byte[] msg = Encoding.UTF8.GetBytes(str);
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if (!socket.Connected)
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{
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socket.Close();
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return;
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}
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try
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{
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IAsyncResult asyncSend = socket.BeginSend(msg, 0, msg.Length, SocketFlags.None, new AsyncCallback(SendCallback), socket);
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bool success = asyncSend.AsyncWaitHandle.WaitOne(5000, true);
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if (!success)
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{
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socket.Close();
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Debug.Log("Failed to SendMessage server.");
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}
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}
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catch
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{
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Debug.Log("send message error");
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}
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}
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private void SendCallback(IAsyncResult asyncConnect)
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{
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Debug.Log("send success");
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}
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}
----------------------------------服务器-------------------------------------------------
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package org.u3d.server;
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import java.io.BufferedInputStream;
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import java.io.IOException;
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import java.net.ServerSocket;
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import java.net.Socket;
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/**
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*
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* unity3d 服务端
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*
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*
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*
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* @author lm
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*
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*/
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public class U3dServer implements Runnable {
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public void run() {
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ServerSocket u3dServerSocket = null;
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while(true){
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try {
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u3dServerSocket=new ServerSocket(8000);
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System.out.println("u3d服务已经启动,监听8000端口");
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while (true) {
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Socket socket = u3dServerSocket.accept();
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System.out.println("客户端接入");
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new RequestReceiver(socket).start();
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}
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} catch (IOException e) {
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System.err.println("服务器接入失败");
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if (u3dServerSocket != null) {
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try {
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u3dServerSocket.close();
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} catch (IOException ioe) {
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}
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u3dServerSocket = null;
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}
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}
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// 服务延时重启
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try {
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Thread.sleep(5000);
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} catch (InterruptedException e) {
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}
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}
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}
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/**
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* 客户端请求接收线程
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* @author lm
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*
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*/
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class RequestReceiver extends Thread {
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/** 报文长度字节数 */
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private int messageLengthBytes = 1024;
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private Socket socket;
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/** socket输入处理流 */
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private BufferedInputStream bis = null;
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public RequestReceiver(Socket socket) {
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this.socket = socket;
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}
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@Override
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public void run() {
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try {
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bis = new BufferedInputStream(socket.getInputStream());
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byte[] buf = new byte[messageLengthBytes];
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/**
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* 在Socket报文传输过程中,应该明确报文的域
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*/
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while (true) {
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/*
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* 这种业务处理方式是根据不同的报文域,开启线程,采用不同的业务逻辑进行处理
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* 依据业务需求而定
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*/
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//new RequestHandler(socket, buf).start();
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bis.read(buf);
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System.out.println(new String(buf,"utf-8"));
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Message msg=new GeneralMessage("i am server");
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msg.write(socket.getOutputStream());
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}
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} catch (IOException e) {
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System.err.println("读取报文出错");
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} finally {
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if (socket != null) {
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try {
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socket.close();
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} catch (IOException e) {
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}
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socket = null;
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}
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}
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}
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}
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/**
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* 描述: 请求处理器
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*
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*/
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/* class RequestHandler extends Thread {
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}
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*/
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}
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<pre name="code" class="java">public class U3dApplication {
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private static U3dApplication instance = null;
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private boolean stop;
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private U3dApplication() {
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}
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public static synchronized U3dApplication getApplication() {
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if (instance == null) {
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instance = new U3dApplication();
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}
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return instance;
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}
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public void start() {
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init();
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new Thread(new U3dServer(), "U3d Server").start();
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while (!stop) {
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try {
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Thread.sleep(1000);
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} catch (InterruptedException e) {
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}
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}
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}
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/**
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* @param args
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*/
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public static void main(String[] args) {
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Runtime.getRuntime().addShutdownHook(new Thread() {
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@Override
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public void run() {
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getApplication().stopMe();
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}
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});
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getApplication().start();
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}
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public void stopMe() {
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System.out.println("系统即将关闭...");
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}
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/**
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* 初始化系统
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*/
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private void init() {
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}
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}