public void AddState(MiceState miceState)
{
lock (_lockObj)
{
_states.Enqueue(miceState);
}
}
protected override void backgroundWorker_DoWork(object sender, DoWorkEventArgs e)
{
try
{
while (!_cancellationToken.IsCancellationRequested)
{
var client = _tcpListener.AcceptTcpClient();
var networkStream = client.GetStream();
bool isInititalized = false;
while (!_cancellationToken.IsCancellationRequested && !_tcpListener.Pending())
{
var opCode = new byte[4];
if (!ReadAll(networkStream, opCode))
{
Thread.Sleep(10);
continue;
}
if (IsOperation(opCode, "MICE"))
{
WriteAll(networkStream, Encoding.ASCII.GetBytes("ECIM"));
_lineLogger.LogLine("Socket check");
break;
}
if (IsOperation(opCode, "INIT"))
{
isInititalized = true;
}
else if (IsOperation(opCode, "READ"))
{
if (!isInititalized)
{
break;
}
var respData = new byte[1 + 2 * 4 + 1];
lock (_lockObj)
{
if (_states.Count == 0)
{
if (_lastReadState != null)
{
respData[0] = (byte)((_lastReadState.LeftButtonDown ? 1 : 0) +
(_lastReadState.RightButtonDown ? 2 : 0));
}
}
else
{
var actualCurrentState = _states.Dequeue();
if (_lastReadState == null)
{
_lastReadState = actualCurrentState;
}
else
{
while (_states.Count > 0)
{
var peekItem = _states.Peek();
if (peekItem.Wheel != actualCurrentState.Wheel)
{
break;
}
if (peekItem.LeftButtonDown != actualCurrentState.LeftButtonDown ||
peekItem.RightButtonDown != actualCurrentState.RightButtonDown)
{
break;
}
if (Math.Abs(peekItem.X - _lastReadState.X) >= 100 ||
Math.Abs(peekItem.Y - _lastReadState.Y) >= 100)
{
break;
}
actualCurrentState = _states.Dequeue();
}
}
int xdiff = actualCurrentState.X - _lastReadState.X;
int ydiff = actualCurrentState.Y - _lastReadState.Y;
respData[0] = (byte)((actualCurrentState.LeftButtonDown ? 1 : 0) +
(actualCurrentState.RightButtonDown ? 2 : 0));
Array.Copy(BitConverter.GetBytes(xdiff), 0, respData, 1, 4);
Array.Copy(BitConverter.GetBytes(ydiff), 0, respData, 5, 4);
byte wheel = 0;
if (actualCurrentState.Wheel > 0)
{
wheel = 1;
}
if (actualCurrentState.Wheel < 0)
{
wheel = 0xff;
}
respData[9] = wheel;
_lastReadState = actualCurrentState;
}
}
WriteAll(networkStream, respData);
_lineLogger.LogLine("Mouse state sent to agent");
}
else if (IsOperation(opCode, "CLOS"))
{
if (!isInititalized)
{
break;
}
_lineLogger.LogLine("Close");
break;
}
}
networkStream.Close();
client.Close();
}
}
catch (Exception ex)
{
_lineLogger.LogLine($"Exception: {ex}");
_tcpListener.Stop();
}
}