我写了一个简单的异步TCP-Server - 效果很好。但是现在我想在Console-Testprogram上输出收到的数据。问题是,这不起作用!如果我将MainThread连接到EventHandler,程序什么都不做。 Debug显示调用了sc05Server_DataAvailable,但后来什么也没发生。该计划仍然响应。
此处代码:
private void ReadCallback(IAsyncResult asyncResult)
{
Sc05BdClient sc05BdClient = asyncResult.AsyncState as Sc05BdClient;
if (sc05BdClient == null) return;
NetworkStream networkStream = sc05BdClient.NetworkStream;
int read = networkStream.EndRead(asyncResult);
if (read == 0)
{
lock (clients)
{
clients.Remove(sc05BdClient);
return;
}
}
string data = Encoding.GetString(sc05BdClient.Buffer, 0, read);
System.Diagnostics.Debug.Print(data);
OnDataAvailable(this, new DataAvailableEventArgs(data)); <---- here Handler is called
networkStream.BeginRead(sc05BdClient.Buffer, 0, sc05BdClient.Buffer.Length, ReadCallback, sc05BdClient);
}
public event EventHandler<DataAvailableEventArgs> DataAvailable;
protected virtual void OnDataAvailable(object sender, DataAvailableEventArgs e)
{
EventHandler<DataAvailableEventArgs> handler = DataAvailable;
if (handler != null)
handler(sender, e);
}
public class DataAvailableEventArgs : EventArgs
{
public string Data;
public DataAvailableEventArgs(string data)
{
Data = data;
}
}
主程序:
class Program
{
static void Main()
{
Sc05BdServer sc05BdServer = new Sc05BdServer(IPAddress.Any, 2006);
sc05BdServer.DataAvailable += sc05BdServer_DataAvailable;
sc05BdServer.Start();
Console.ReadKey();
sc05BdServer.Stop();
}
static void sc05BdServer_DataAvailable(object sender, DataAvailableEventArgs e)
{
Console.WriteLine(e.Data); <--- this is called once
}
}
我认为它与线程有关 - 但我不知道如何使用它们。
答案 0 :(得分:3)
你可能正在经历某种种族问题,虽然控制台应该免疫。请检查此问题,但请注意我无法重现此问题:Strange behaviour of Console.ReadKey() with multithreading