// Listens to incoming client connections and spawns a new client "Zombie" object
// when a pending connection is detected.
public void Listen()
{
try {
listener.Start();
while (isListening)
{
if (listener.Pending())
{
TcpClient client = listener.AcceptTcpClient();
Log("Accepted Client Connection");
Zombie zombie = new Zombie(mainForm, client);
zombies.Add(zombie);
Thread zombieThread = new Thread(new ThreadStart(zombie.ListenForData));
zombieThread.IsBackground = true;
zombieThread.Start();
mainForm.UpdateStatus();
}
// Need to test this sleep, see if it messes up communication.
// Using this due to high CPU usage on server.
Thread.Sleep(100);
}
}catch (Exception ex)
{
Log("Listener error: " + ex.ToString());
}
}
// Listen on the network stream for data coming from the client.
public void ListenForData()
{
try
{
while (IsAlive() && IsActive())
{
if (sslSecured ? sslStream.CanRead : netStream.CanRead)
{
try {
byte[] bytes = new byte[1024];
string data = null;
int i;
if ((i = sslSecured ? sslStream.Read(bytes, 0, bytes.Length) :
netStream.Read(bytes, 0, bytes.Length)) != 0)
{
// convert recieved bytes to string data
data = Encoding.ASCII.GetString(bytes, 0, i);
curData += data;
// Log data if not binary
if (!data.Contains("[[BINARY]]") && !bufferBytes)
{
Log("Data recieved: " + data);
}
// If we are receiving binary data, place data into buffer.
// To support things such as multiple monitors being viewed at once, we need to have some sort
// of buffer collection.
if (data.Contains("[[BINARY]]"))
{
bufferBytes = true;
}
if (bufferBytes)
{
try
{
bytes.CopyTo(dataBuffer, bufferPos);
bufferPos += i;
}
catch { }
}
// Handles the first command.
if (FirstCommandIsClosed(curData))
{
HandleData(FirstCommand());
}
}
}
catch (Exception ex)
{
Log("Error reading data: " + ex.ToString());
}
Application.DoEvents();
}
// Need to test this sleep, see if it messes up communication.
// Using this due to high CPU usage on server.
Thread.Sleep(1);
}
}
catch (Exception ex)
{
Log("Stream lost connection: " + ex.ToString());
}
finally
{
Log("Lost connection to: " + IP);
active = false;
// remove entry from listview if connection is lost/closed
RemoveFromListView();
mainForm.UpdateStatus();
}
}
