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我创建了一个单线程Windows应用程序,它与超过100个套接字(使用AsyncCallbacks)进行通信,每秒可能会有5-10个套接字。在C#.NET 3.5中使用AsyncCallback问题
从.NET IDE启动时,应用程序正常工作。如果从可执行文件启动,应用程序似乎被吊死。在进一步的研究中,我发现应用程序在套接字上的通信非常好,只有UI上的数据没有刷新。从套接字中读取应用程序似乎太忙了,而不是刷新UI。
应用程序工作正常,用每个套接字的单独线程替换AsyncCallback,但这似乎不是一个好方法。
我试图创建消息队列,但它没有帮助。
我正确地说应用程序忙于读取套接字而不是刷新UI?我该如何解决这个问题?
下面提到了用于AsynCallBack的代码。
private void ConnectSocket()
{
IPEndPoint ipEnd = new IPEndPoint(_ip, _port);
m_socket = new Socket(ipEnd.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
m_socket.Blocking = false;
m_socket.ReceiveBufferSize = RECEIVE_BUFFER_SIZE;
m_socket.NoDelay = true;
m_socket.LingerState = new LingerOption(false, 0);
AsyncCallback onconnect = new AsyncCallback(OnConnect);
m_socket.BeginConnect(ipEnd, onconnect, m_socket);
}
private void OnConnect(IAsyncResult ar)
{
Socket sock = (Socket)ar.AsyncState;
try
{
sock.EndConnect(ar);
if (sock.Connected)
{
SetupReceiveCallback(sock);
}
}
catch (Exception ex)
{
}
}
private void SetupReceiveCallback(Socket sock)
{
try
{
AsyncCallback receiveData = new AsyncCallback(ReceiveData);
sock.BeginReceive(receivedBuffer, 0, receivedBuffer.Length,
SocketFlags.None, receiveData, sock);
}
catch (SocketException ex)
{
}
catch (Exception ex)
{
}
}
private void ReceiveData(IAsyncResult ar)
{
Socket sock = (Socket)ar.AsyncState;
try
{
int numBytesReceived = sock.EndReceive(ar);
if (numBytesReceived > 0)
{
if (OnReceivedData != null)
{
OnReceivedData(receivedBuffer);
}
}
SetupReceiveCallback(sock);
}
catch (SocketException ex)
{
//If error code is 1054 then socket connection is terminated from the client.
}
catch (Exception ex)
{
}
}
我们需要看一些代码。 – 2010-10-05 15:08:07