unity csharp socket 异步通信 客户端 作者:围城(solq)

unity csharp socket 异步通信 客户端
作者:围城(solq)
bolg:http://www.cnblogs.com/solq/
服务端用java nio 测试过是可以的。。。。 ...
 demo : http://unitysgui.sinaapp.com/chat

 

转载请注明出处。。。。。。。

View Code

using UnityEngine;

using System.Collections;

using System.Net.Sockets;

using System.Net;

using System;

using System.Text;

using System.Threading;



public class TestAsyncSocketClient2 : MonoBehaviour

{

    private Socket client = null;

    private string ip = "127.0.0.1";

    private int port = 8989;



    private int size = 1024;

    private byte[] readData = new byte[1024];

    private byte[] data = new byte[1024];

    void Start()                      

    {

        //  socket2.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, true); 多socket 复用同一端口

        client = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);

        IPEndPoint address = new IPEndPoint(IPAddress.Parse(ip), port);

        //client.Blocking = false;

        client.BeginConnect(address, new AsyncCallback(Connected), null); //建立异步连接服务 , Connected 进行监听

        //connectDone.WaitOne();

    }

    void Connected(IAsyncResult iar)    //建立连接

    {

       //Socket client = (Socket)iar.AsyncState;

       client.EndConnect(iar);

        //client.BeginReceive(data, 0, size, SocketFlags.None, new AsyncCallback(ReceiveData), client);

        echo("建立连接");



    }

    void Send(string str)

    {

        byte[] msg = Encoding.UTF8.GetBytes(str);

        client.BeginSend(msg, 0, msg.Length, SocketFlags.None, new AsyncCallback(SendData), client);    //开始发送

    }

    void SendData(IAsyncResult iar) //发送数据

    {

        Socket remote = (Socket)iar.AsyncState;

        int sent = remote.EndSend(iar);         //关闭发送

        remote.BeginReceive(data, 0, data.Length, SocketFlags.None, new AsyncCallback(ReceiveData), remote);   //开始接收

    }







    void Update()

    {

        startReceive(); //这步很重要，，，不然会收不到服务器发过来的消息

    }

    bool ReceiveFlag = true;

    void startReceive()

    {

        if (ReceiveFlag) {

            ReceiveFlag = false;

            client.BeginReceive(readData, 0, readData.Length, SocketFlags.None, new AsyncCallback(endReceive), client);

        }           

    }



    void endReceive(IAsyncResult iar) //接收数据

    {

        ReceiveFlag = true;

        Socket remote = (Socket)iar.AsyncState;

        int recv = remote.EndReceive(iar);

        if (recv > 0)

        {

            string stringData = Encoding.UTF8.GetString(readData, 0, recv);

            text2 += "\n" + "接收服务器数据:+++++++++++++++" + stringData;

        }



    }

    void ReceiveData(IAsyncResult iar) //接收数据

    {

        Socket remote = (Socket)iar.AsyncState;

        int recv = remote.EndReceive(iar);          //关闭接收 注意：如果关闭了接收，就不能接收了 测试是这样



        string stringData = Encoding.UTF8.GetString(data, 0, recv);

        text2 += "\n" + "回收发送数据:+++++++++++++++" + stringData;



    }





    void CloseSocket()                  //关闭socket

    {

        if (client.Connected)

        {

            echo("关闭socket");

            client.Close();

        }            

    }

    void OnApplicationQuit()

    {

        CloseSocket();

    }



    void echo(object msg)

    {

        Debug.Log(msg);

    }



    string text = "";

    string text2 = "";

    Vector2 p = new Vector2(600, 300);

    void OnGUI()

    {

        GUILayout.BeginVertical(GUILayout.Width(500) );

            text = GUILayout.TextField(text);

            if (GUILayout.Button("发送数据"))

            {

                Send(text);

            }

            GUILayout.BeginScrollView(p);

            text2 = GUILayout.TextArea(text2, GUILayout.Height(300));

            GUILayout.EndScrollView();

        GUILayout.EndVertical();



    }



}