private void recieveCallback(IAsyncResult ar)
{
log($"Data from Client: {id} recieved.");
try
{
packageState package = ar.AsyncState as packageState;
Socket clientS = package.socket;
int bytesRead = clientS.EndReceive(ar);
if (bytesRead > 0)
{
int size = ATserver.BUFFER_SIZE;
if (package.readOffset == -1)
{
size = BitConverter.ToInt32(package.sizeBuffer, 0);
package.readBuffer = new byte[size];
package.readOffset = 0;
}
else
{
package.readOffset += bytesRead;
if (package.readOffset == package.readBuffer.Length)
{
//clone array so the package can be disposed
byte[] temp = package.readBuffer.Clone() as byte[];
//invoke the event
recievingData?.Invoke(this.id, temp);
//free memory
package.Dispose();
package = new packageState(clientS);
}
}
if (package.readBuffer == null)
{
package.socket.BeginReceive(package.sizeBuffer, 0, package.sizeBuffer.Length, SocketFlags.None, new AsyncCallback(recieveCallback), package);
}
else
{
int readsize = (ATserver.BUFFER_SIZE > size) ? size : ATserver.BUFFER_SIZE;
package.socket.BeginReceive(package.readBuffer, package.readOffset, readsize, SocketFlags.None, new AsyncCallback(recieveCallback), package);
}
}
else
{
log("Error recieving Message! ReadBytes < 0.");
closeClient();
}
}
catch
{
log("Error recieving Message!");
closeClient();
}
}
public void startClient()
{
packageState package = new packageState(this.socket);
socket.BeginReceive(package.sizeBuffer, 0, package.sizeBuffer.Length, SocketFlags.None, new AsyncCallback(recieveCallback), package);
log($"Client: {id} is set up.");
}