private void StartReceive(AsyncUserToken token)
{
try
{
bool willRaiseEvent = token.UserSocket.ReceiveAsync(token.RecvSAEA);
if (!willRaiseEvent)
{
ProcessReceive(token.RecvSAEA);
}
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
}
private void ProcessAccept(SocketAsyncEventArgs e)
{
AsyncUserToken token = m_userTokenPool.Pop();
token.UserSocket = e.AcceptSocket;
//token.m_socket.NoDelay = false;
//通知应用层，有客户端连接
handlerCenter.ClientConnect(token);
//开启消息到达监听
StartReceive(token);
//释放当前异步对象
StartAccept(e);
}
private void ClientClose(AsyncUserToken token, string error)
{
if (token.UserSocket != null)
{
lock (token)
{
//通知应用层 客户端断开连接
handlerCenter.ClientClose(token, error);
token.Close();
m_userTokenPool.Push(token);
m_semaphore.Release();
Console.WriteLine(error);
}
}
}
public void Start(int port)
{
//创建连接池
m_userTokenPool = new AsyncUserTokenPool(m_nMaxClient);
//创建信号量
m_semaphore = new Semaphore(m_nMaxClient, m_nMaxClient);
for (int i = 0; i < m_nMaxClient; i++)
{
AsyncUserToken token = new AsyncUserToken();
token.RecvSAEA.Completed += new EventHandler <SocketAsyncEventArgs>(IO_Completed);
token.SendSAEA.Completed += new EventHandler <SocketAsyncEventArgs>(IO_Completed);
token.lengthEncode = lengthEncode;
token.lengthDecode = lengthDecode;
token.messageEncode = messageEncode;
token.messageDecode = messageDecode;
token.sendProcess = ProcessSend;
token.closeProcess = ClientClose;
token.handlerCenter = handlerCenter;
m_userTokenPool.Push(token);
}
//监听当前服务器网络所有可用IP地址的port端口
//外网IP，内网IP，本机IP127.0.0.1；
try
{
m_listenSocket.Bind(new IPEndPoint(IPAddress.Any, port));
//置于监听状态
m_listenSocket.Listen(10);
StartAccept(null);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
}
/// <summary> /// 客户端断开连接 /// </summary> /// <param name="token">断开的客户端对象</param> /// <param name="error">断开的错误信息</param> public abstract void ClientClose(AsyncUserToken token, string error);
/// <summary> /// 收到客户端消息 /// </summary> /// <param name="token">发送消息的客户端对象</param> /// <param name="message">消息内容</param> public abstract void MessageReceive(AsyncUserToken token, int cmd, IMessage message);
/// <summary> /// 客户端连接 /// </summary> /// <param name="token">连接的客户端对象</param> public abstract void ClientConnect(AsyncUserToken token);
