private static void AcceptCallback(IAsyncResult IAR)
{
Socket Server, handler;
try
{
Server = (Socket)IAR.AsyncState;
handler = Server.EndAccept(IAR);
}
catch (ObjectDisposedException ode)
{
ExceptionBuffer.Add(ode);
return;
}
allDone.Set();
string sKey = TcpAsyncCommon.DefaultUID + ++iAcceptCounter;
StateObject state = new StateObject();
state.workSocket = handler;
state.key = sKey;
D2Sockets.Set(sKey, state);
D2TReceive.Set(sKey, null);
D2TSend.Set(sKey, null);
D3BReceive.Set(sKey, new DataBuffer());
D3BSend.Set(sKey, new DataBuffer());
}
private static void DisconnectCallback(IAsyncResult IAR)
{
StateObject state = (StateObject)IAR.AsyncState;
Socket handler = state.workSocket;
string key = state.key;
handler.EndDisconnect(IAR);
handler.Shutdown(SocketShutdown.Both);
handler.Disconnect(true);
handler.Close();
handler.Dispose();
D2Sockets.Remove(key);
D2TReceive.Remove(key);
D2TSend.Remove(key);
D3BReceive.Remove(key);
D3BSend.Remove(key);
}
public void Stop(string key)
{
if (key.IsNullOrEmpty())
{
return;
}
try
{
GetHandler(key).Cleanup();
}
finally
{
if (D2Sockets != null)
{
D2Sockets.Remove(key);
}
if (D3BReceive != null)
{
D3BReceive.Remove(key);
}
if (D3BSend != null)
{
D3BSend.Remove(key);
}
}
}
private void AcceptCallback(IAsyncResult IAR)
{
Socket Server, handler;
try
{
Server = (Socket)IAR.AsyncState;
handler = Server.EndAccept(IAR);
}
catch (ObjectDisposedException ode)
{
Exceptions.Write(ode);
return;
}
allDone.Set();
string sKey = TcpAsyncCommon.DefaultUID + TickTime.NowTicks;
StateObject state = new StateObject();
state.workSocket = handler;
state.key = sKey;
D2Sockets.Set(sKey, state);
D3BReceive.Set(sKey, new BufferedArray <byte[]>(this.Length));
D3BSend.Set(sKey, new BufferedArray <byte[]>(this.Length));
}
public byte[][] ReadAll(string key)
{
if (D3BReceive == null || !D3BReceive.Contains(key))
{
return(null);
}
try
{
return(D3BReceive.Get(key).ReadAll());
}
catch
{
return(null);
}
}
public bool SetReceiver(string key, byte[] data)
{
if (D3BReceive == null || !D3BReceive.Contains(key) || key.IsNullOrEmpty() || data.IsNullOrEmpty())
{
return(false);
}
try
{
D3BReceive.Get(key).Write(data);
return(true);
}
catch
{
return(false);
}
}
public byte[] Read(string key)
{
if (D3BReceive == null || !D3BReceive.Contains(key))
{
return(null);
}
try
{
byte[] read;
D3BReceive.Get(key).Read(out read);
return(read);
}
catch
{
return(null);
}
}
public void Stop(string key)
{
StateObject state = D2Sockets.Get(key);
try
{
if (state != null && state.workSocket != null)
{
Socket handler = state.workSocket;
handler.Shutdown(SocketShutdown.Both);
handler.Disconnect(true);
handler.Close();
handler.Dispose();
}
}
catch
{
}
finally
{
if (D2Sockets != null)
{
D2Sockets.Remove(key);
}
if (D2TReceive != null)
{
D2TReceive.Remove(key);
}
if (D2TSend != null)
{
D2TSend.Remove(key);
}
if (D3BReceive != null)
{
D3BReceive.Remove(key);
}
if (D3BSend != null)
{
D3BSend.Remove(key);
}
}
}
private void Accept()
{
Socket handler = Listener.Accept();
string key = TcpAsyncCommon.DefaultUID + TickTime.NowTicks;
StateObject state = new StateObject();
state.workSocket = handler;
state.workSocket.NoDelay = TcpAsyncServer.NoDelay;
state.workSocket.SendBufferSize = TcpAsyncServer.PacketSizeTCP;
state.workSocket.ReceiveBufferSize = TcpAsyncServer.PacketSizeTCP;
state.workSocket.SendTimeout = TcpAsyncServer.SendTimeout;
state.workSocket.ReceiveTimeout = TcpAsyncServer.ReceiveTimeout;
state.workSocket.Ttl = TcpAsyncServer.Ttl;
state.key = key;
state.Time = TickTime.Now;
D2Sockets.Set(key, state);
D3BReceive.Set(key, new BufferedArray <byte[]>(this.Length));
D3BSend.Set(key, new BufferedArray <byte[]>(this.Length));
//this.Send(key, "#START".GetBytes());
}
private static void ReadCallback(IAsyncResult IAR)
{
StateObject state = (StateObject)IAR.AsyncState;
Socket handler = state.workSocket;
int bytesRead = 0;
if (!handler.Connected)
{
return;
}
try
{
bytesRead = handler.EndReceive(IAR);
}
catch
{
return;
}
if (bytesRead <= 0)
{
return;
}
System.String content = System.String.Empty;
state.sb.Append(Encoding.ASCII.GetString(state.buffer, 0, bytesRead));
content = state.sb.ToString();
if (content.IndexOf(TcpAsyncCommon.EOM) < 0)
{
if (content.Length < StateObject.BufferSize / 2)
{
try
{
handler.BeginReceive(state.buffer, 0, StateObject.BufferSize, 0, new AsyncCallback(ReadCallback), state);
}catch (Exception e)
{
ExceptionBuffer.Add(e);
}
}
else
{
state.sb.Clear();
//state.buffer = new byte[StateObject.BufferSize];
return;
}
}
state.sb.Clear();
//state.buffer = new byte[StateObject.BufferSize];
List <string> Packets = content.SplitSafe(TcpAsyncCommon.EOM).ToList();
if (Packets.Count > 0)
{
foreach (string packet in Packets)
{
string subPacket = packet;
if (subPacket == null)
{
subPacket = "";
}
else
{
subPacket = subPacket.Replace(@"\\", @"\");
}
if (!D3BReceive.Contains(state.key))
{
return;
}
else
{
D3BReceive.Get(state.key).Set(subPacket);
}
//Thread.Sleep(1);
}
}
}
