private void ProcessAccept(SocketAsyncEventArgs e)
{
Interlocked.Increment(ref m_numConnectedSockets); //增加连接计数
Console.WriteLine("Client connection accepted. There are {0} clients connected to the server",
m_numConnectedSockets);
// Get the socket for the accepted client connection and put it into the
//ReadEventArg object user token
SocketAsyncEventArgs readEventArgs = m_readWritePool.Pop();
((AsyncUserToken)readEventArgs.UserToken).Socket = e.AcceptSocket; //设置UserToken变量
// As soon as the client is connected, post a receive to the connection
bool willRaiseEvent = e.AcceptSocket.ReceiveAsync(readEventArgs);
if (!willRaiseEvent)
{
ProcessReceive(readEventArgs);
}
//分配写事件参数
//SocketAsyncEventArgs writeEventArgs = m_readWritePool.Pop();
//((AsyncUserToken)writeEventArgs.UserToken).Socket = e.AcceptSocket;
//willRaiseEvent = e.AcceptSocket.SendAsync(writeEventArgs);
//if (!willRaiseEvent)
//{
// ProcessSend(writeEventArgs);
//}
// Accept the next connection request
AsyncUserToken UserToken = new AsyncUserToken();
UserToken.Socket = e.AcceptSocket;
UserToken.Message = "天下风云出我辈， 一入江湖岁月催；";
StartSend(UserToken);
StartAccept(e);
}
private void ProcessConnect(SocketAsyncEventArgs e)
{
if (e.ConnectSocket== null)
{
Console.WriteLine("连接客户端失败 {0}",e.SocketError);
return;
}
SocketAsyncEventArgs readEventArgs = m_readWritePool.Pop();
((AsyncUserToken)readEventArgs.UserToken).Socket = e.ConnectSocket; //设置UserToken变量
// As soon as the client is connected, post a receive to the connection
bool willRaiseEvent = e.ConnectSocket.ReceiveAsync(readEventArgs);
if (!willRaiseEvent)
{
ProcessReceive(readEventArgs);
}
AsyncUserToken userToken = new AsyncUserToken();
userToken.Socket = e.ConnectSocket;
userToken.Message = "我是客户端，服务器你好！";
StartSend(userToken);
}
//开始发送消息
public void StartSend(AsyncUserToken userToken)
{
SocketAsyncEventArgs writeEventArgs = m_readWritePool.Pop();
writeEventArgs.UserToken = userToken;
byte[] byteArray = Encoding.Default.GetBytes(userToken.Message);
Buffer.BlockCopy(byteArray, 0, writeEventArgs.Buffer, writeEventArgs.Offset, byteArray.Count());
bool willRaiseEvent = userToken.Socket.SendAsync(writeEventArgs);
if (!willRaiseEvent)
{
ProcessSend(writeEventArgs);
}
}