private void OnMessageReceiveEvent(MessageReceiveEventArgs args)
{
EventHandler <MessageReceiveEventArgs> handler = MessageReceiveEventHandler;
if (handler != null)
{
handler(this, args);
}
}
private void HandleClientComm(object pcb)
{
PCB p = (PCB)pcb;
System.Net.Sockets.TcpClient tcpClient = p.Client;
object lockObj = new object();
try
{
try
{
OnConnectEstablishEvent(new ConnectEstablishEventArgs(p.ThreadId));
}
catch (Exception e)
{
OnMessageReceiveErrorEvent(new MessageReceiveErrorEventArgs(e));
}
System.Net.Sockets.NetworkStream clientStream = tcpClient.GetStream();
TcpCacheStream tcpStream = new TcpCacheStream(clientStream);
while (true)
{
MessageHead msgHead = new MessageHead();
try
{
bool disconnected = false;
object msg = null;
//Recevie data
//Stream tcpStream = clientStream;
byte[] revBuf = new byte[4];
int offset = 0;
while (offset < 4)
{
int len;
try
{
len = tcpStream.Read(revBuf, offset, 4 - offset);
}
catch
{
disconnected = true;
break;
}
if (len == 0)
{
//Disconnect
disconnected = true;
break;
}
offset += len;
}
if (disconnected)
{
break;
}
msgHead.Event = BitConverter.ToInt16(revBuf, 0);
msgHead.Flag = (MessageFlag)BitConverter.ToInt16(revBuf, 2);
bool isAsync = (msgHead.Flag & MessageFlag.ASyncMessage) != 0;
int classId = -1;
if (isAsync)
{
if (!Hubble.Framework.IO.Stream.ReadToBuf(tcpStream, revBuf, 0, 4))
{
disconnected = true;
break;
}
else
{
classId = BitConverter.ToInt32(revBuf, 0);
}
}
if ((msgHead.Flag & MessageFlag.NullData) == 0)
{
if ((msgHead.Flag & MessageFlag.CustomSerialization) != 0)
{
if (RequireCustomSerialization != null)
{
Hubble.Framework.Serialization.IMySerialization mySerializer =
RequireCustomSerialization(msgHead.Event, null);
if (mySerializer == null)
{
throw new Exception(string.Format("RequireCustomSerialization of Event = {0} is null!",
msgHead.Event));
}
msg = mySerializer.Deserialize(tcpStream, mySerializer.Version);
}
else
{
throw new Exception("RequireCustomSerialization of TcpClient is null!");
}
}
else if ((msgHead.Flag & MessageFlag.IsString) == 0)
{
IFormatter formatter = new BinaryFormatter();
msg = formatter.Deserialize(tcpStream);
}
else
{
if ((msgHead.Flag & MessageFlag.IsString) != 0 &&
(msgHead.Flag & MessageFlag.ASyncMessage) != 0)
{
MemoryStream m = new MemoryStream();
byte b = (byte)tcpStream.ReadByte();
while (b != 0)
{
m.WriteByte(b);
b = (byte)tcpStream.ReadByte();
}
m.Position = 0;
using (StreamReader sr = new StreamReader(m, Encoding.UTF8))
{
msg = sr.ReadToEnd();
}
}
else
{
MemoryStream m = new MemoryStream();
byte[] buf = new byte[1024];
int len = 0;
do
{
len = tcpStream.Read(buf, 0, buf.Length);
if (buf[len - 1] == 0)
{
m.Write(buf, 0, len - 1);
break;
}
else
{
m.Write(buf, 0, len);
}
} while (true);
m.Position = 0;
using (StreamReader sr = new StreamReader(m, Encoding.UTF8))
{
msg = sr.ReadToEnd();
}
}
}
}
MessageReceiveEventArgs receiveEvent = new MessageReceiveEventArgs(
this, msgHead, msg, p.ThreadId, classId, tcpClient,
clientStream, lockObj);
Hubble.Framework.Serialization.IMySerialization customSerializer = null;
try
{
OnMessageReceiveEvent(receiveEvent);
customSerializer = receiveEvent.CustomSerializtion;
}
catch (System.Threading.ThreadAbortException)
{
receiveEvent.ReturnMsg = new System.Threading.ThreadInterruptedException("Thread abort. Maybe execute select too long. Please check the error log.");
System.Threading.Thread.ResetAbort();
}
catch (Exception e)
{
receiveEvent.ReturnMsg = e;
}
if (!isAsync)
{
ReturnMessage(lockObj, tcpClient, msgHead, receiveEvent.ReturnMsg, customSerializer);
}
}
catch (Exception innerException)
{
try
{
OnMessageReceiveErrorEvent(new MessageReceiveErrorEventArgs(msgHead, innerException));
}
catch
{
}
if (tcpClient.Connected)
{
tcpClient.Close();
}
throw innerException;
}
}
tcpClient.Close();
}
catch (Exception e)
{
OnMessageReceiveErrorEvent(new MessageReceiveErrorEventArgs(e));
}
finally
{
try
{
OnDisconnectEvent(new DisconnectEventArgs(p.ThreadId));
}
catch (Exception e)
{
OnMessageReceiveErrorEvent(new MessageReceiveErrorEventArgs(e));
}
RetPCB(p);
}
}
static public void ReturnMessage(MessageReceiveEventArgs receiveMessage)
{
ReturnMessage(receiveMessage.LockObj, receiveMessage.TcpClient, receiveMessage.MsgHead,
receiveMessage.ReturnMsg, receiveMessage.CustomSerializtion, receiveMessage.ClassId);
}
