c# socket select 模型代码（u3d）

其实写过多次网络链接。但是因为换了工作，又没电脑在身边，所以以前的代码都没办法翻出来用。

所以从今天起，一些常用的代码只好放到网上。

公司有一个局域网的游戏。本来想用u3d的rpc就可以完成。但是后来说要传语音。于是只有写一个tcp。

目前完成的模块大的说就两块，网络和消息分发。

服务器有玩家池的管理。

网络部分没有想得很详细。因为是局域网，所以也不存在多大开销。如果有需要上千的需求，可能还要优化下代码结构以及锁。

有缘之人自取。

无论你干什么，我都没任何要求。唯一的要求，如果你发现有bug，或者什么地方改改更好，请告诉我。谢谢！

socket部分

 using System.Net.Sockets;
 using System.Net;
 using System.Threading;
 using UnityEngine;
 using System.Collections.Generic;
 /*
  *轻量级局域网服务器。
  * 协议如下
  * 消息头前2字节保存当前消息长度
  * 后面跟4字节表示消息ID
  * 再后面是消息实质内容
  */
 
 namespace LanSocket
 {
     class ClientConnect
     {
         public byte[] m_AllData;
         public int m_AllDataHead;
         public int m_AllDataEnd;
         public int m_MsgCount;
         public byte[] m_OnePack;
         public int m_OnePackIndex;
         public Socket m_Connect;
         public long m_UserID;
 
         public ClientConnect()
         {
             m_AllData = new byte[LanSocketBase.m_MaxAllBuff];
             m_AllDataHead = ;
             m_AllDataEnd = ;
             m_MsgCount = ;
             m_OnePack = new byte[LanSocketBase.m_MaxOnePackBuff];
             m_OnePackIndex = ;
             m_Connect = null;
             m_UserID = ;
         }
 
         public void Reset()
         {
             m_AllDataHead = ;
             m_AllDataEnd = ;
             m_MsgCount = ;
             m_OnePackIndex = ;
             m_Connect = null;
             m_UserID = ;
         }
     }
     class Server : LanSocketBase
     {
         static Queue<int> m_MsgOrder;
 
         static Socket m_ServerSocket;
         static Thread m_LinstenThread;
         static Thread m_ReciveThread;
         static System.Collections.ArrayList m_ServerSocketList;
         static System.Collections.ArrayList m_listenSocketList;
         static System.Collections.ArrayList m_DeleteSocketList;
         static int m_MaxClientConnect = ;
         static ClientConnect[] m_ConnectPool;
         static Queue<int> m_EmptyConnect;
         public static void Start()
         {
             if (m_HasInit)
             {
                 return;
             }
             string mLocalIP = "";
 
             string mHostName = Dns.GetHostName();
             IPHostEntry localHost = Dns.GetHostEntry(mHostName);
             for (int i = ; i < localHost.AddressList.Length; ++i)
             {
                 if (localHost.AddressList[i].AddressFamily == System.Net.Sockets.AddressFamily.InterNetwork)
                 {
                     MonoBehaviour.print(localHost.AddressList[i].ToString());
                     mLocalIP = localHost.AddressList[i].ToString();
                     break;
                 }
             }
 
             if ("".Equals(mLocalIP))
             {
                 MonoBehaviour.print("网络检测异常。请检查网络设置或接入网络");
                 return;
             }
             LanSocketBase.BaseInit();
             m_MsgOrder = new Queue<int>();
 
             //服务器IP地址
             IPAddress ip = IPAddress.Parse(mLocalIP);
             m_ServerSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
             m_ServerSocket.Bind(new IPEndPoint(ip, ));  //绑定IP地址：端口
             m_ServerSocket.Listen();    //设定最多10个排队连接请求
             MonoBehaviour.print("启动监听" + m_ServerSocket.LocalEndPoint.ToString() + "成功");
 
             m_ServerSocketList = new System.Collections.ArrayList();
             m_listenSocketList = new System.Collections.ArrayList();
             m_DeleteSocketList = new System.Collections.ArrayList();
 
             m_ConnectPool = new ClientConnect[m_MaxClientConnect];
             m_EmptyConnect = new Queue<int>();
             for (int i = ; i < m_MaxClientConnect; ++i)
             {
                 m_ConnectPool[i] = new ClientConnect();
                 m_EmptyConnect.Enqueue(i);
             }
             //通过Clientsoket发送数据
             m_ReciveThread = new Thread(ReceiveMessage);
             m_ReciveThread.Start();
             m_LinstenThread = new Thread(ListenClientConnect);
             m_LinstenThread.Start();
         }
 
         /// <summary>
         /// 监听客户端连接
         /// </summary>
         public static void ListenClientConnect()
         {
             while (true)
             {
                 Thread.Sleep();
                 m_ServerSocketList.Add(m_ServerSocket);
                 Socket.Select(m_ServerSocketList, null, null, );
                 for (int i = ; i < m_ServerSocketList.Count; ++i)
                 {
                     Socket clientSocket = ((Socket)m_ServerSocketList[i]).Accept();
                     if (null != clientSocket)
                     {
                         try
                         {
                             Lock();
                             if ( == m_EmptyConnect.Count)
                             {
                                 MonoBehaviour.print("链接已经达到最大上线，丢弃当前连接");
                                 clientSocket.Shutdown(SocketShutdown.Both);
                                 clientSocket.Close();
                             }
                             else
                             {
                                 //m_listenSocketList.Add(clientSocket);
                                 int mSlot = m_EmptyConnect.Dequeue();
                                 m_ConnectPool[mSlot].m_Connect = clientSocket;
                                 m_ConnectPool[mSlot].m_UserID = System.DateTime.Now.ToFileTime();
                                 MonoBehaviour.print("成功连接一个客户端，编号:" + mSlot.ToString());
                             }
                         }
                         finally
                         {
                             UnLock();
                         }
                     }
                 }
                 m_ServerSocketList.Clear();
             }
         }
 
         private static bool PutDataToBuff(byte[] mClientSendBuff, int mReceiveNumber, Socket client)
         {
             ClientConnect curPlayer = null;
             int mSlot = -;
             for (int i = ; i < m_MaxClientConnect; ++i)
             {
                 if (client == m_ConnectPool[i].m_Connect)
                 {
                     curPlayer = m_ConnectPool[i];
                     mSlot = i;
                     break;
                 }
             }
             if (null == curPlayer)
             {
                 return false;
             }
             if (curPlayer.m_AllDataEnd + mReceiveNumber >= LanSocketBase.m_MaxAllBuff)
             {
                 byte[] mCurAllData = new byte[curPlayer.m_AllDataEnd - curPlayer.m_AllDataHead];
                 System.Buffer.BlockCopy(curPlayer.m_AllData, curPlayer.m_AllDataHead, mCurAllData, , curPlayer.m_AllDataEnd - curPlayer.m_AllDataHead);
                 System.Buffer.BlockCopy(mCurAllData, , curPlayer.m_AllData, , curPlayer.m_AllDataEnd - curPlayer.m_AllDataHead);
                 curPlayer.m_AllDataEnd -= curPlayer.m_AllDataHead;
                 curPlayer.m_AllDataHead = ;
             }
             int mOnePackStartPos = ;
             while (mReceiveNumber > )
             {
                 if ( == m_OnePackIndex)
                 {
                     ushort datalen = System.BitConverter.ToUInt16(mClientSendBuff, mOnePackStartPos);
                     if (datalen > LanSocketBase.m_MaxOnePackBuff || datalen < LanSocketBase.m_HeadSize)
                     {
                         return false;
                     }
                     if (datalen <= mReceiveNumber)
                     {
                         System.Buffer.BlockCopy(mClientSendBuff, mOnePackStartPos, curPlayer.m_AllData, curPlayer.m_AllDataEnd, datalen);
                         curPlayer.m_AllDataEnd += datalen;
                         mOnePackStartPos += datalen;
 
                         mReceiveNumber -= datalen;
 
                         m_MsgOrder.Enqueue(mSlot);
                     }
                     else
                     {
                         System.Buffer.BlockCopy(mClientSendBuff, mOnePackStartPos, m_OnePack, m_OnePackIndex, mReceiveNumber);
                         m_OnePackIndex += mReceiveNumber;
                         mOnePackStartPos += mReceiveNumber;
 
                         mReceiveNumber -= mReceiveNumber;
                     }
                 }
                 else
                 {
                     ushort datalen = System.BitConverter.ToUInt16(m_OnePack, );
                     if (datalen > LanSocketBase.m_MaxOnePackBuff || datalen < LanSocketBase.m_HeadSize)
                     {
                         return false;
                     }
                     if (m_OnePackIndex + mReceiveNumber >= datalen)
                     {
                         int mNeedNum = datalen - m_OnePackIndex;
                         System.Buffer.BlockCopy(mClientSendBuff, mOnePackStartPos, m_OnePack, m_OnePackIndex, mNeedNum);
                         mOnePackStartPos += mNeedNum;
 
                         System.Buffer.BlockCopy(m_OnePack, , curPlayer.m_AllData, curPlayer.m_AllDataEnd, datalen);
                         m_OnePackIndex = ;
 
                         mReceiveNumber -= mNeedNum;
 
                         m_MsgOrder.Enqueue(mSlot);
                     }
                     else
                     {
                         System.Buffer.BlockCopy(mClientSendBuff, mOnePackStartPos, m_OnePack, m_OnePackIndex, mReceiveNumber);
                         m_OnePackIndex += mReceiveNumber;
                         mOnePackStartPos += mReceiveNumber;
 
                         mReceiveNumber -= mReceiveNumber;
                     }
                 }
             }
 
             return true;
         }
 
         /// <summary>
         /// 接收消息
         /// </summary>
         public static void ReceiveMessage()
         {
             try
             {
                 while (true)
                 {
                     Thread.Sleep();
                     for (int i = ; i < m_MaxClientConnect; ++i)
                     {
                         if (null != m_ConnectPool[i].m_Connect)
                         {
                             m_listenSocketList.Add(m_ConnectPool[i].m_Connect);
                         }
                     }
                     if ( == m_listenSocketList.Count)
                     {
                         continue;
                     }
                     Socket.Select(m_listenSocketList, null, null, );
                     for (int i = ; i < m_listenSocketList.Count; ++i)
                     {
                         Socket mClient = (Socket)m_listenSocketList[i];
                         //try
                         //{
                         //通过clientSocket接收数据
                         byte[] mClientSendBuff = new byte[m_MaxOnePackBuff];
                         int mReceiveNumber = mClient.Receive(mClientSendBuff);
                         if ( == mReceiveNumber)
                         {
                             m_DeleteSocketList.Add(mClient);
                         }
                         else if (mReceiveNumber > )
                         {
                             try
                             {
                                 Lock();
                                 bool rt = PutDataToBuff(mClientSendBuff, mReceiveNumber, mClient);
                                 if (!rt)
                                 {
                                     m_DeleteSocketList.Add(mClient);
                                 }
                             }
                             catch (System.Exception ex)
                             {
                                 MonoBehaviour.print("PutDataToBuff catch: " + ex.Message);
                             }
                             finally
                             {
                                 UnLock();
                             }
                         }
                         else
                         {
                             MonoBehaviour.print("one connect recive a error num: " + mReceiveNumber.ToString());
                         }
                         //}
                         //catch (System.Exception ex)
                         //{
                         //    MonoBehaviour.print("ReceiveMessage catch: " + ex.Message);
                         //    m_DeleteSocketList.Add(mClient);
                         //}
                     }
                     m_listenSocketList.Clear();
                     if ( != m_DeleteSocketList.Count)
                     {
                         ShutDownConnect();
                     }
                 }
 
             }
             catch (System.Exception ex)
             {
                 MonoBehaviour.print("ReceiveMessage out:" + ex.Message);
             }
 
         }
 
         /// <summary>
         /// 程序退出销毁
         /// </summary>
         public static void Destroy()
         {
             if (!m_HasInit)
             {
                 return;
             }
             m_LinstenThread.Abort();
             m_ReciveThread.Abort();
             m_listenSocketList.Clear();
 
             for (int i = ; i < m_ServerSocketList.Count; ++i)
             {
                 Socket mServer = (Socket)m_ServerSocketList[i];
                 if (mServer.Connected)
                 {
                     mServer.Shutdown(SocketShutdown.Both);
                 }
                 mServer.Close();
             }
             m_ServerSocketList.Clear();
 
             for (int i = ; i < m_MaxClientConnect; ++i)
             {
                 if (null != m_ConnectPool[i].m_Connect)
                 {
                     if (m_ConnectPool[i].m_Connect.Connected)
                     {
                         m_ConnectPool[i].m_Connect.Shutdown(SocketShutdown.Both);
                     }
                     m_ConnectPool[i].m_Connect.Close();
                     m_ConnectPool[i].m_Connect = null;
                 }
             }
             m_EmptyConnect.Clear();
             LanSocketBase.BaseRelease();
         }
 
         /// <summary>
         /// 销毁一个连接
         /// </summary>
         static void ShutDownConnect()
         {
             try
             {
                 Lock();
                 for (int j = ; j < m_DeleteSocketList.Count; ++j)
                 {
                     Socket connect = (Socket)m_DeleteSocketList[j];
                     for (int i = ; i < m_MaxClientConnect; ++i)
                     {
                         if (connect == m_ConnectPool[i].m_Connect)
                         {
                             connect.Shutdown(SocketShutdown.Both);
                             connect.Close();
                             m_ConnectPool[i].Reset();
                             m_EmptyConnect.Enqueue(i);
                             MonoBehaviour.print("关闭一个连接，编号:" + i.ToString());
                             break;
                         }
                     }
                 }
             }
             catch (System.Exception ex)
             {
                 MonoBehaviour.print("ShutDownConnect catch: " + ex.Message);
             }
             finally
             {
                 m_DeleteSocketList.Clear();
                 UnLock();
             }
         }
 
         /// <summary>
         /// 获取一个数据
         /// </summary>
         public static void GetMsg(ref ClientMsgUnPack msg)
         {
             try
             {
                 Lock();
                 if ( != m_MsgOrder.Count)
                 {
                     int mSlot = m_MsgOrder.Dequeue();
                     ClientConnect curPlayer = m_ConnectPool[mSlot];
                     ushort mOnePackLen = System.BitConverter.ToUInt16(curPlayer.m_AllData, curPlayer.m_AllDataHead);
                     msg = new ClientMsgUnPack(curPlayer.m_AllData, (ushort)curPlayer.m_AllDataHead, (ushort)mOnePackLen, mSlot);
                     msg.SetUserID(curPlayer.m_UserID);
                     curPlayer.m_AllDataHead += mOnePackLen;
                 }
             }
             finally
             {
                 UnLock();
             }
         }
 
         public static void SendTo(ref MsgPack msg, long userID)
         {
             try
             {
                 Lock();
                 for(int i =  ; i < m_MaxClientConnect ; ++i)
                 {
                     ClientConnect curPlayer = m_ConnectPool[i];
                     if (null != curPlayer.m_Connect && curPlayer.m_UserID == userID)
                     {
                         curPlayer.m_Connect.Send(msg.GetByte(), msg.GetByteLen(), SocketFlags.None);
                         break;
                     }
                 }
             }
             finally
             {
                 UnLock();
             }
         }
 
         public static void SendToAll(ref MsgPack msg)
         {
             try
             {
                 Lock();
                 for (int i = ; i < m_MaxClientConnect; ++i)
                 {
                     ClientConnect curPlayer = m_ConnectPool[i];
                     if (null != curPlayer.m_Connect)
                     {
                         curPlayer.m_Connect.Send(msg.GetByte(), msg.GetByteLen(), SocketFlags.None);
                         break;
                     }
                 }
             }
             finally
             {
                 UnLock();
             }
         }
     }
 }

SocketServer.cs

 using System.Net.Sockets;
 using System.Net;
 using System.Threading;
 using UnityEngine;
 using System.Collections.Generic;
 
 /*
  *轻量级局域网服务器。
  * 协议如下
  * 消息头前2字节保存当前消息长度
  * 后面跟4字节表示消息ID
  * 再后面是消息实质内容
  */
 
 namespace LanSocket
 {
     class Client : LanSocketBase
     {
         static Thread m_ReciveThread;
         static Socket m_Connect;
         static byte[] m_AllData;
         static int m_AllDataHead;
         static int m_AllDataEnd;
         static int m_MsgNum;
 
         public static void Start()
         {
             if (m_HasInit)
             {
                 return;
             }
             //设定服务器IP地址
             IPAddress ip = IPAddress.Parse("192.168.1.109");
             Socket temp = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
             try
             {
                 temp.Connect(new IPEndPoint(ip, )); //配置服务器IP与端口
                 MonoBehaviour.print("连接服务器成功");
 
                 LanSocketBase.BaseInit();
                 m_Connect = temp;
                 m_ReciveThread = new Thread(ReceiveMessage);
                 m_ReciveThread.Start();
                 m_AllData = new byte[LanSocketBase.m_MaxAllBuff + ];
                 m_AllDataHead = ;
                 m_AllDataEnd = ;
                 m_MsgNum = ;
             }
             catch
             {
                 MonoBehaviour.print("连接服务器失败");
                 return;
             }
         }
 
         private static void PutDataToBuff(byte[] mClientSendBuff, int mReceiveNumber)
         {
             if (m_AllDataEnd + mReceiveNumber >= LanSocketBase.m_MaxAllBuff)
             {
                 byte[] mCurAllData = new byte[m_AllDataEnd - m_AllDataHead];
                 System.Buffer.BlockCopy(m_AllData, m_AllDataHead, mCurAllData, , m_AllDataEnd - m_AllDataHead);
                 System.Buffer.BlockCopy(mCurAllData, , m_AllData, , m_AllDataEnd - m_AllDataHead);
                 m_AllDataEnd -= m_AllDataHead;
                 m_AllDataHead = ;
             }
             int mOnePackStartPos = ;
             while (mReceiveNumber > )
             {
                 if ( == m_OnePackIndex)
                 {
                     ushort datalen = System.BitConverter.ToUInt16(mClientSendBuff, mOnePackStartPos);
                     if (datalen <= mReceiveNumber)
                     {
                         System.Buffer.BlockCopy(mClientSendBuff, mOnePackStartPos, m_AllData, m_AllDataEnd, datalen);
                         m_AllDataEnd += datalen;
 
                         mOnePackStartPos += datalen;
 
                         mReceiveNumber -= datalen;
                         ++m_MsgNum;
                     }
                     else
                     {
                         System.Buffer.BlockCopy(mClientSendBuff, mOnePackStartPos, m_OnePack, m_OnePackIndex, mReceiveNumber);
                         m_OnePackIndex += mReceiveNumber;
                         mOnePackStartPos += mReceiveNumber;
 
                         mReceiveNumber -= mReceiveNumber;
                     }
                 }
                 else
                 {
                     ushort datalen = System.BitConverter.ToUInt16(m_OnePack, );
                     if (m_OnePackIndex + mReceiveNumber >= datalen)
                     {
                         int mNeedNum = datalen - m_OnePackIndex;
                         System.Buffer.BlockCopy(mClientSendBuff, mOnePackStartPos, m_OnePack, m_OnePackIndex, mNeedNum);
                         mOnePackStartPos += mNeedNum;
 
                         System.Buffer.BlockCopy(m_OnePack, , m_AllData, m_AllDataEnd, datalen);
                         m_OnePackIndex = ;
 
                         mReceiveNumber -= mNeedNum;
                     }
                     else
                     {
                         System.Buffer.BlockCopy(mClientSendBuff, mOnePackStartPos, m_OnePack, m_OnePackIndex, mReceiveNumber);
                         m_OnePackIndex += mReceiveNumber;
                         mOnePackStartPos += mReceiveNumber;
 
                         mReceiveNumber -= mReceiveNumber;
                     }
                 }
             }
         }
 
         public static void Destroy()
         {
             if (!m_HasInit)
             {
                 return;
             }
             LanSocketBase.BaseRelease();
             ShutDownConnect();
             m_MsgNum = ;
         }
 
         public static void GetMsg(ref MsgUnPack msg)
         {
             if (!m_HasInit)
             {
                 return;
             }
             try
             {
                 Lock();
                 if ( != m_MsgNum)
                 {
                     ushort datalen = System.BitConverter.ToUInt16(m_AllData, m_AllDataHead);
                     msg = new MsgUnPack(m_AllData, (ushort)m_AllDataHead, (ushort)datalen);
                     m_AllDataHead += datalen;
                     --m_MsgNum;
                 }
             }
             finally
             {
                 UnLock();
             }
         }
 
         /// <summary>
         /// 接收消息
         /// </summary>
         public static void ReceiveMessage()
         {
             while (true)
             {
                 Thread.Sleep();
                 try
                 {
                     //通过clientSocket接收数据
                     byte[] mClientSendBuff = new byte[m_MaxOnePackBuff + ];
                     int mReceiveNumber = m_Connect.Receive(mClientSendBuff);
                     if ( == mReceiveNumber)
                     {
                         MonoBehaviour.print("disconnect");
                         ShutDownConnect();
                     }
                     else if (mReceiveNumber > )
                     {
                         try
                         {
                             Lock();
                             PutDataToBuff(mClientSendBuff, mReceiveNumber);
                         }
                         catch (System.Exception ex)
                         {
                             MonoBehaviour.print("PutDataToBuff catch: " + ex.Message);
                         }
                         finally
                         {
                             UnLock();
                         }
                     }
                     else
                     {
                         MonoBehaviour.print("one connect recive a error num: " + mReceiveNumber.ToString());
                     }
                 }
                 catch (System.Exception ex)
                 {
                     MonoBehaviour.print("ReceiveMessage catch: " + ex.Message);
                     ShutDownConnect();
                 }
             }
         }
 
         public static void Send(ref MsgPack msg)
         {
             try
             {
                 Lock();
                 m_Connect.Send(msg.GetByte(), msg.GetByteLen(), SocketFlags.None);
             }
             finally
             {
                 UnLock();
             }
         }
 
         public static void ShutDownConnect()
         {
             m_ReciveThread.Abort();
             if (m_Connect.Connected)
             {
                 m_Connect.Shutdown(SocketShutdown.Both);
             }
             m_Connect.Close();
         }
     }
 }

SocketClient.cs

支持类部分

 using System.Threading;
 using UnityEngine;
 
 /*
  *轻量级局域网服务器。
  * 协议如下
  * 消息头前2字节保存当前消息长度
  * 后面跟4字节表示消息ID
  * 再后面是消息实质内容
  */
 
 namespace LanSocket
 {
     public class LanSocketBase
     {
         public static int m_MaxOnePackBuff =  * ;
         public static int m_MaxAllBuff =  * ;
         public static int m_HeadSize = ;
         protected static bool m_HasInit = false;
         protected static byte[] m_OnePack;
         protected static int m_OnePackIndex;
         private static Mutex m_Mutex;
 
         public static void BaseInit()
         {
             m_HasInit = true;
             m_Mutex = new Mutex();
             m_OnePack = new byte[m_MaxOnePackBuff+];
             m_OnePackIndex = ;
         }
 
         public static void BaseRelease()
         {
             m_Mutex.Close();
         }
 
         protected static void Lock()
         {
             m_Mutex.WaitOne();
             //MonoBehaviour.print("Lock:" + Thread.CurrentThread.ManagedThreadId.ToString());
         }
 
         protected static void UnLock()
         {
             m_Mutex.ReleaseMutex();
             //MonoBehaviour.print("Unlock:" + Thread.CurrentThread.ManagedThreadId.ToString());
         }
     }
 }

LanSocketBase

 using System.Threading;
 
 /*
  *轻量级局域网服务器。
  * 协议如下
  * 消息头前2字节保存当前消息长度
  * 后面跟4字节表示消息ID
  * 再后面是消息实质内容
  */
 
 namespace LanSocket
 {
     public class PackBase
     {
         protected int m_MaxOnePackBuff;
         protected byte[] m_OnePack;
         protected int m_OnePackIndex;
 
         public PackBase()
         {
             m_MaxOnePackBuff = LanSocketBase.m_MaxOnePackBuff;
             m_OnePack = new byte[m_MaxOnePackBuff];
             m_OnePackIndex = ;
         }
     }
 }

PackBase.cs

 using UnityEngine;
 /*
  * 通信协议
  * 消息头前2字节保存当前消息长度
  * 后面跟4字节表示消息ID
  * 再后面是消息实质内容
  */
 
 namespace LanSocket
 {
     class MsgPack : PackBase
     {
         public MsgPack()
         {
             m_OnePackIndex = LanSocketBase.m_HeadSize;
         }
 
         public void SetHead(int ID)
         {
             byte[] mBuff = System.BitConverter.GetBytes(ID);
             System.Buffer.BlockCopy(mBuff, , m_OnePack, , );
         }
 
         public void PackEnd()
         {
             byte[] mBuff = System.BitConverter.GetBytes(m_OnePackIndex);
             System.Buffer.BlockCopy(mBuff, , m_OnePack, , );
         }
 
         public void Packbool(bool data)
         {
             ushort curDatalen = ;
             if (m_OnePackIndex + curDatalen > m_MaxOnePackBuff)
             {
                 MonoBehaviour.print("Packbool() longer lager than Max buff len");
                 return;
             }
             byte[] mBuff = System.BitConverter.GetBytes(data);
             Pack(mBuff, curDatalen);
         }
 
         public void Pack16bit(short data)
         {
             ushort curDatalen = ;
             if (m_OnePackIndex + curDatalen > m_MaxOnePackBuff)
             {
                 MonoBehaviour.print("Pack16bit(short) longer lager than Max buff len");
                 return;
             }
             byte[] mBuff = System.BitConverter.GetBytes(data);
             Pack(mBuff, curDatalen);
         }
         public void Pack16bit(ushort data)
         {
             ushort curDatalen = ;
             if (m_OnePackIndex + curDatalen > m_MaxOnePackBuff)
             {
                 MonoBehaviour.print("Pack16bit(ushort) longer lager than Max buff len");
                 return;
             }
             byte[] mBuff = System.BitConverter.GetBytes(data);
             Pack(mBuff, curDatalen);
         }
         public void Pack32bit(int data)
         {
             ushort curDatalen = ;
             if (m_OnePackIndex + curDatalen > m_MaxOnePackBuff)
             {
                 MonoBehaviour.print("Pack32bit(int) longer lager than Max buff len");
                 return;
             }
             byte[] mBuff = System.BitConverter.GetBytes(data);
             Pack(mBuff, curDatalen);
         }
         public void Pack32bit(uint data)
         {
             ushort curDatalen = ;
             if (m_OnePackIndex + curDatalen > m_MaxOnePackBuff)
             {
                 MonoBehaviour.print("Pack32bit(uint) longer lager than Max buff len");
                 return;
             }
             byte[] mBuff = System.BitConverter.GetBytes(data);
             Pack(mBuff, curDatalen);
         }
         public void Pack32bit(float data)
         {
             ushort curDatalen = ;
             if (m_OnePackIndex + curDatalen > m_MaxOnePackBuff)
             {
                 MonoBehaviour.print("Pack32bit(float) longer lager than Max buff len");
                 return;
             }
             byte[] mBuff = System.BitConverter.GetBytes(data);
             Pack(mBuff, curDatalen);
         }
         public void Pack64bit(double data)
         {
             ushort curDatalen = ;
             if (m_OnePackIndex + curDatalen > m_MaxOnePackBuff)
             {
                 MonoBehaviour.print("Pack64bit(double) longer lager than Max buff len");
                 return;
             }
             byte[] mBuff = System.BitConverter.GetBytes(data);
             Pack(mBuff, curDatalen);
         }
         public void Pack64bit(long data)
         {
             ushort curDatalen = ;
             if (m_OnePackIndex + curDatalen > m_MaxOnePackBuff)
             {
                 MonoBehaviour.print("Pack64bit(long) longer lager than Max buff len");
                 return;
             }
             byte[] mBuff = System.BitConverter.GetBytes(data);
             Pack(mBuff, curDatalen);
         }
 
         public void PackString(string data, ushort len)
         {
             ushort curDatalen = len;
             if (m_OnePackIndex + curDatalen > m_MaxOnePackBuff)
             {
                 MonoBehaviour.print("PackString() longer lager than Max buff len");
                 return;
             }
             byte[] mBuff = System.Text.Encoding.UTF8.GetBytes(data);
             Pack(mBuff, curDatalen);
         }
 
         void Pack(byte[] data, ushort len)
         {
             System.Buffer.BlockCopy(data, , m_OnePack, m_OnePackIndex, len);
             m_OnePackIndex += len;
         }
 
         public byte[] GetByte()
         {
             return m_OnePack;
         }
 
         public int GetByteLen()
         {
             return m_OnePackIndex;
         }
     }
 }

MsgPack.cs

 using UnityEngine;
 /*
  * 通信协议
  * 消息头前2字节保存当前消息长度
  * 后面跟4字节表示消息ID
  * 再后面是消息实质内容
  */
 
 namespace LanSocket
 {
     class MsgUnPack : PackBase
     {
         ushort m_PackLen;
         int m_MsgID;
         public MsgUnPack()
         {
         }
 
         void GetHead()
         {
             m_PackLen = System.BitConverter.ToUInt16(m_OnePack, );
             m_MsgID = System.BitConverter.ToUInt16(m_OnePack, );
             m_OnePackIndex = ;
         }
 
         public MsgUnPack(byte[] mBuff, ushort len)
         {
             UnPack(mBuff, len);
         }
 
         public MsgUnPack(byte[] mBuff, ushort offset, ushort len)
         {
             UnPack(mBuff, offset, len);
         }
 
         public void UnPack(byte[] mBuff, ushort len)
         {
             System.Buffer.BlockCopy(mBuff, , m_OnePack, , len);
             GetHead();
         }
 
         public void UnPack(byte[] mBuff, ushort offset, ushort len)
         {
             System.Buffer.BlockCopy(mBuff, offset, m_OnePack, , len);
             GetHead();
         }
 
         public bool Readbool()
         {
             if (m_OnePackIndex +  > m_PackLen)
             {
                 MonoBehaviour.print("Readbool() longer lager than Max buff len");
                 return false;
             }
             bool data = System.BitConverter.ToBoolean(m_OnePack, m_OnePackIndex);
             ++m_OnePackIndex;
             return data;
         }
 
         public short ReadShort()
         {
             if (m_OnePackIndex +  > m_PackLen)
             {
                 MonoBehaviour.print("ReadShort() longer lager than Max buff len");
                 return ;
             }
             short data = System.BitConverter.ToInt16(m_OnePack, m_OnePackIndex);
             m_OnePackIndex += ;
             return data;
         }
 
         public ushort ReadUShort()
         {
             if (m_OnePackIndex +  > m_PackLen)
             {
                 MonoBehaviour.print("ReadUShortbit() longer lager than Max buff len");
                 return ;
             }
             ushort data = System.BitConverter.ToUInt16(m_OnePack, m_OnePackIndex);
             m_OnePackIndex += ;
             return data;
         }
 
         public int ReadInt()
         {
             if (m_OnePackIndex +  > m_PackLen)
             {
                 MonoBehaviour.print("ReadInt() longer lager than Max buff len");
                 return ;
             }
             int data = System.BitConverter.ToInt32(m_OnePack, m_OnePackIndex);
             m_OnePackIndex += ;
             return data;
         }
 
         public uint ReadUInt()
         {
             if (m_OnePackIndex +  > m_PackLen)
             {
                 MonoBehaviour.print("ReadUInt() longer lager than Max buff len");
                 return ;
             }
             uint data = System.BitConverter.ToUInt32(m_OnePack, m_OnePackIndex);
             m_OnePackIndex += ;
             return data;
         }
 
         public float ReadFloat()
         {
             if (m_OnePackIndex +  > m_PackLen)
             {
                 MonoBehaviour.print("ReadFloat() longer lager than Max buff len");
                 return 0.0f;
             }
             float data = System.BitConverter.ToSingle(m_OnePack, m_OnePackIndex);
             m_OnePackIndex += ;
             return data;
         }
 
         public double ReadDouble()
         {
             if (m_OnePackIndex +  > m_PackLen)
             {
                 MonoBehaviour.print("ReadDouble() longer lager than Max buff len");
                 return 0.0f;
             }
             double data = System.BitConverter.ToDouble(m_OnePack, m_OnePackIndex);
             m_OnePackIndex += ;
             return data;
         }
 
         public long ReadLong()
         {
             if (m_OnePackIndex +  > m_PackLen)
             {
                 MonoBehaviour.print("ReadLong() longer lager than Max buff len");
                 return ;
             }
             long data = System.BitConverter.ToInt64(m_OnePack, m_OnePackIndex);
             m_OnePackIndex += ;
             return data;
         }
 
         public ulong ReadULong()
         {
             if (m_OnePackIndex +  > m_PackLen)
             {
                 MonoBehaviour.print("ReadULong() longer lager than Max buff len");
                 return ;
             }
             ulong data = System.BitConverter.ToUInt64(m_OnePack, m_OnePackIndex);
             m_OnePackIndex += ;
             return data;
         }
 
         public string ReadString(ushort len)
         {
             if (m_OnePackIndex + len > m_PackLen)
             {
                 MonoBehaviour.print("ReadString() longer lager than Max buff len");
                 return "";
             }
             string data = System.Text.Encoding.UTF8.GetString(m_OnePack, m_OnePackIndex, len);
             m_OnePackIndex += len;
             return data;
         }
 
         public int GetMsgID()
         {
             return m_MsgID;
         }
     }
 }

MsgUnPack.cs

 using UnityEngine;
 /*
  * 通信协议
  * 消息头前2字节保存当前消息长度
  * 后面跟4字节表示消息ID
  * 再后面是消息实质内容
  */
 
 namespace LanSocket
 {
     class ClientMsgUnPack : MsgUnPack
     {
         long m_UserID;
         public ClientMsgUnPack()
         {
             m_UserID = -;
         }
 
         public ClientMsgUnPack(byte[] mBuff, ushort len, int userID)
         {
             m_UserID = userID;
             UnPack(mBuff, len);
         }
 
         public ClientMsgUnPack(byte[] mBuff, ushort offset, ushort len, int userID)
         {
             m_UserID = userID;
             UnPack(mBuff, offset, len);
         }
 
         public long GetUserID()
         {
             return m_UserID;
         }
 
         public void SetUserID(long userID)
         {
             m_UserID = userID;
         }
     }
 }

ClientMsgUnPack.cs

 using UnityEngine;
 using System.Collections;
 using System.Collections.Generic;
 
 delegate void EventDelagate(LanSocket.ClientMsgUnPack msg);
 
 class EventNode
 {
     public int m_EventID;
     public LanSocket.ClientMsgUnPack msg;
 }
 
 class EventDispath
 {
     public static int g_MaxEventNum = ;
     List<EventDelagate>[] m_Event;
     Queue<EventNode> m_EventQueue;
     public EventDispath()
     {
         m_Event = new List<EventDelagate>[g_MaxEventNum];
         m_EventQueue = new Queue<EventNode>();
     }
 
     public void RegistEvent(int eventID, EventDelagate func)
     {
         if(null == m_Event[eventID])
         {
             m_Event[eventID] = new List<EventDelagate>();
         }
         m_Event[eventID].Add(func);
     }
 
     public void AddEvent(EventNode eventNode)
     {
         m_EventQueue.Enqueue(eventNode);
     }
 
     public void Proccess()
     {
         if ( != m_EventQueue.Count)
         {
             EventNode mCur = m_EventQueue.Dequeue();
             if (null == m_Event[mCur.m_EventID])
             {
                 MonoBehaviour.print("event ID: "+ mCur.m_EventID+" is null");
             }
             else
             {
                 List<EventDelagate> curEventDelagate = m_Event[mCur.m_EventID];
                 for(int i =  ; i < curEventDelagate.Count ; ++i)
                 {
                     curEventDelagate[i](mCur.msg);
                 }
             }
         }
     }
 }

EventDispath.cs

unity部分

 using UnityEngine;
 using System.Collections;
 
 public class ServerMain : MonoBehaviour
 {
     bool m_Destroy;
     EventDispath m_ClientMsg;
     void Start ()
     {
         m_Destroy = false;
         //服务器IP地址
         LanSocket.Server.Start();
         m_ClientMsg = new EventDispath();
         m_ClientMsg.RegistEvent(, Action_123);
 
     }
 
     // Update is called once per frame
     void Update ()
     {
         if(!m_Destroy)
         {
             LanSocket.ClientMsgUnPack clientMsg = null;
             LanSocket.Server.GetMsg(ref clientMsg);
             if (null != clientMsg)
             {
                 print("Msg:" + clientMsg.GetMsgID() + " from: " + clientMsg.GetUserID());
 
                 EventNode mNode = new EventNode();
                 mNode.m_EventID = clientMsg.GetMsgID(); ;
                 mNode.msg = clientMsg;
                 m_ClientMsg.AddEvent(mNode);
             }
 
             m_ClientMsg.Proccess();
         }
     }
 
     void OnDestroy()
     {
         m_Destroy = true;
         LanSocket.Server.Destroy();
     }
 
     void Action_123(LanSocket.ClientMsgUnPack msg)
     {
         long userID = msg.GetUserID();
         ushort accountLen = msg.ReadUShort();
         string account = msg.ReadString(accountLen);
         ushort passLen = msg.ReadUShort();
         string pass = msg.ReadString(passLen);
 
         print("Action_123 account: " + account + " pass word: " + pass+" from user: " + userID);
 
         LanSocket.MsgPack sendMsg = new LanSocket.MsgPack();
         sendMsg.SetHead();
         string strAccount = "test account";
         sendMsg.Pack16bit((ushort)strAccount.Length);
         sendMsg.PackString(strAccount, (ushort)strAccount.Length);
         string strPass = "test pass word";
         sendMsg.Pack16bit((ushort)strPass.Length);
         sendMsg.PackString(strPass, (ushort)strPass.Length);
         sendMsg.PackEnd();
         LanSocket.Server.SendTo(ref sendMsg, msg.GetUserID());
     }
 }

ServerMain.cs

 using UnityEngine;
 using System.Collections;
 
 public class ClientMain : MonoBehaviour {
 
     // Use this for initialization
     void Start ()
     {
         LanSocket.Client.Start();
     }
 
     // Update is called once per frame
     void Update ()
     {
         LanSocket.MsgUnPack msg = null;
         LanSocket.Client.GetMsg(ref msg);
         if(null != msg)
         {
             print("here have one msg on client");
         }
 
         if(Input.GetKeyUp(KeyCode.J))
         {
             LanSocket.MsgPack sendMsg = new LanSocket.MsgPack();
             sendMsg.SetHead();
             string strAccount = "test account";
             sendMsg.Pack16bit((ushort)strAccount.Length);
             sendMsg.PackString(strAccount, (ushort)strAccount.Length);
             string strPass = "test pass word";
             sendMsg.Pack16bit((ushort)strPass.Length);
             sendMsg.PackString(strPass, (ushort)strPass.Length);
             sendMsg.PackEnd();
             LanSocket.Client.Send(ref sendMsg);
         }
     }
     void OnDestroy()
     {
         LanSocket.Client.Destroy();
     }
 }

ClientMain.cs

以上为全部代码，拖到u3d项目中，然后将clientmain或servermain挂在对象上就可以运行了