/// <summary>
/// End asynchronous send of command to the network,
/// and send out the rest of the packet.
/// </summary>
private void InternalSend(IAsyncResult ar)
{
try
{
if (socket == null)
{
return;
}
if (socket.Connected)
{
socket.Send(Encoding.ASCII.GetBytes(metatype.ToString()));
}
//int sent = socket.EndSend(ar);
//if (sent > 0)
//{
// sentBytes += (ulong)sent;
// // InternalSendCommandTarget();
// InternalSendMetadataType();
// // InternalSendMetaBuffer();
// // fire Sent event only if all the Send routines
// // completed succesfully
// if (Sent != null)
// Sent(this, EventArgs.Empty);
//}
//else
//{
// Disconnect();
//}
}
catch (Exception exc)
{
if (SockUtils.HandleSocketError(exc))
{
if (Disconnected != null)
{
Disconnected(this, EventArgs.Empty);
}
}
else
{
throw;
}
}
}
/// <summary>
/// Read a ChatSocket from the network stream asynchronously.
/// </summary>
public void Receive()
{
if (socket == null)
{
return;
}
try
{
if (socket.Connected)
{
// stores the received data
// byte[] result = new byte[1024];
// int receiveNumber = socket.Receive(result);
// Metatype = Encoding.ASCII.GetString(result, 0, receiveNumber);
byte[] buffer = new byte[4];
socket.BeginReceive(
buffer, 0, 4, SocketFlags.None,
new AsyncCallback(InternalReceive), buffer);
}
else
{
WmsCommon.Instance().CloseSocket(this);
}
}
catch (Exception exc)
{
WmsCommon.Instance().CloseSocket(this);
if (SockUtils.HandleSocketError(exc))
{
if (Disconnected != null)
{
Disconnected(this, EventArgs.Empty);
}
}
//else
//{
// throw exc;
//}
}
}
/// <summary>
/// Write out this ChatSocket object to the networkStream asynchronously.
/// </summary>
public void Send()
{
if (socket == null)
{
return;
}
try
{
byte[] buffer = new byte[4];
buffer = BitConverter.GetBytes((int)command);
if (socket.Connected)
{
socket.Send(Encoding.ASCII.GetBytes(metatype.ToString()));
if (WmsCommon.Instance().clients.Count(r => r.scocKet == socket) > 0)
{
WmsCommon.Instance().clients.Find(r => r.scocKet == socket).statusSocket = "1";
}
}
}
catch (Exception exc)
{
WmsCommon.Instance().CloseSocket(this);
if (SockUtils.HandleSocketError(exc))
{
if (Disconnected != null)
{
Disconnected(this, EventArgs.Empty);
}
}
//else
//{
// throw;
//}
}
}
/// <summary>
/// End asynchronous receive of command from the network,
/// and continues to read the rest of the packet.
/// </summary>
private void InternalReceive(IAsyncResult ar)
{
try
{
if (socket == null)
{
return;
}
if (socket.Connected)
{
int received = socket.EndReceive(ar);
if (received > 0)
{
byte[] buffer = (byte[])ar.AsyncState;
Metatype = Encoding.ASCII.GetString(buffer, 0, received);
byte[] result = new byte[1024];
int receiveNumber = socket.Receive(result);
Metatype = Metatype + Encoding.ASCII.GetString(result, 0, receiveNumber);
//receivedBytes += (ulong)received;
//byte[] result = new byte[1024];
//result = (byte[])ar.AsyncState;
//int bufferVal = BitConverter.ToInt32(buffer, 0);
//Encoding.ASCII.GetString(result, 0, receiveNumber);
// check if it is a know command
command = (ChatCommand)7;
//command = (ChatCommand)bufferVal;
//Trace.Write(string.Format("ChatSocket RECEIVE from {1} -> {0} {2}",
// socket.LocalEndPoint.ToString(), socket.RemoteEndPoint.ToString(), command.ToString()));
//// InternalReceiveCommandTarget();
// InternalReceiveMetadataType();
// InternalReceiveMetaBuffer();
// fire the Received event only if all the Receive routines
// completed succesfully
if (Received != null)
{
Received(this, EventArgs.Empty);
}
}
//else
//{
// // it is an unknown command so close the socket
// Disconnect();
//}
}
else // received == 0
{
Disconnect();
}
}
catch (Exception exc)
{
WmsCommon.Instance().CloseSocket(this);
if (SockUtils.HandleSocketError(exc))
{
if (Disconnected != null)
{
Disconnected(this, EventArgs.Empty);
}
}
else
{
// throw exc;
}
}
}
