private void recieveCallback(IAsyncResult ar)
{
try
{
packageState package = ar.AsyncState as packageState;
Socket clientS = package.socket;
int bytesRead = clientS.EndReceive(ar);
if (bytesRead > 0)
{
int size = ATclient.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(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 = (ATclient.BUFFER_SIZE > size) ? size : ATclient.BUFFER_SIZE;
package.socket.BeginReceive(package.readBuffer, package.readOffset, readsize, SocketFlags.None, new AsyncCallback(recieveCallback), package);
}
}
else
{
connected = false;
log("Error recieving Message! ReadBytes < 0.");
}
}
catch
{
connected = false;
log("Error recieving Message!");
}
}
private void connectCallback(IAsyncResult ar)
{
try
{
Socket tempS = ar.AsyncState as Socket;
tempS.EndConnect(ar);
log("Connected.");
connected = true;
packageState package = new packageState(tempS);
tempS.BeginReceive(package.sizeBuffer, 0, package.sizeBuffer.Length, SocketFlags.None, new AsyncCallback(recieveCallback), package);
}
catch
{
connected = false;
log("Failed to connect to Server.");
}
}