c#插座连接&;接收数据
我有一个连接到插座的函数:c#插座连接&;接收数据,c#,sockets,tcp-ip,C#,Sockets,Tcp Ip,我有一个连接到插座的函数: public void Connect(string ip, ushort port) { try { m_clientSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp); m_recv_buffer = new TransferBuffer(8192, 0, 0); m_localSec
public void Connect(string ip, ushort port)
{
try
{
m_clientSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
m_recv_buffer = new TransferBuffer(8192, 0, 0);
m_localSecurity = new Session(UsageMode.Client);
IPEndPoint localEP = new IPEndPoint(IPAddress.Parse(ip), port);
m_clientSocket.Connect(localEP);
m_clientSocket.BeginReceive(m_recv_buffer.Buffer, 0, m_recv_buffer.Buffer.Length, SocketFlags.None, OnReceiveData, m_clientSocket);
}
catch (Exception ex)
{
if (ex.InnerException != null)
{
Debugger(string.Format("[ClientConnect] Socket Exception: {0}", ex.InnerException.Message), System.Drawing.Color.Gray);
}
else
{
Debugger(string.Format("[ClientConnect] Socket Exception: {0}", ex), System.Drawing.Color.Gray);
}
}
}
和接收数据的功能:
private void OnReceiveData(IAsyncResult ar)
{
Socket asyncState = (Socket)ar.AsyncState;
if (asyncState.Connected)
{
try
{
int readCount = asyncState.EndReceive(ar);
if (readCount > 0)
{
m_recv_buffer.Offset = 0;
m_recv_buffer.Size = readCount;
TransferBuffer buf = new TransferBuffer(m_recv_buffer.Buffer, 0, readCount, false);
m_localSecurity.Recv(buf);
Array.Clear(m_recv_buffer.Buffer, 0, m_recv_buffer.Buffer.Length);
}
asyncState.BeginReceive(m_recv_buffer.Buffer, 0, m_recv_buffer.Buffer.Length, SocketFlags.None, OnReceiveData, asyncState);
}
catch (SocketException sex)
{
Debugger(string.Format("[OnReceiveData] Socket Exception: {0}", sex),System.Drawing.Color.Gray);
}
catch (Exception ex)
{
Debugger(string.Format("[OnReceiveData] Exception: {0}", ex), System.Drawing.Color.Gray);
}
}
}
在一些罕见的情况下,当我的互联网落后或处于不稳定状态时,我被困在一个OnReceiveData
功能中。
Socket
连接并保持连接,但我没有收到服务器的任何响应,因此OnReceiveData
函数正在调用它自己,并陷入循环中
有没有办法在接收数据部分时添加
超时
或任何其他检查?您是否尝试过使用类似AsyncWaitHandle.WaitOne()的方法代码>查看以下解决方案
没有可以卡住的回路。。。如果在调试器中运行,并在执行“卡住”时暂停执行,它在哪一行?我个人从不使用回调函数。相反,我使用一个单独的线程。它使事情更容易控制。TransferBuffer
是您自己的类吗?如果是的话,您可以包括您正在调用的构造函数的代码吗?@Brian Driscoll:asyncState.BeginReceive(m_recv_buffer.buffer,0,m_recv_buffer.buffer.Length,SocketFlags.None,OnReceiveData,asyncState);我已经尝试了5秒的超时时间。同样的问题。到套接字的连接看起来是可靠的。当你说“可靠”是发送套接字时,它实际上断开了连接。不,不是。套接字连接不是问题。问题是我没有从服务器得到任何响应。正在调用private void OnReceiveData(IAsyncResult ar)并且if(asyncState.Connected)始终为true,所以我继续执行if(readCount>0),而不是asyncState.BeginReceive(m_recv_buffer.buffer,0,m_recv_buffer.buffer.Length,SocketFlags.None,OnReceiveData,asyncState);被称为。。。而这个循环本身也在重复