private void startStream(string hostname, string destination)
{
string postData = "ip=" + destination;
postData += "&port=" + this.port;
// Start streaming to this port
NetworkOperations.sendRequestToEndpoint("http://" + hostname + "/stop", postData);
Thread.Sleep(200);
NetworkOperations.sendRequestToEndpoint("http://" + hostname + "/start", postData);
}
private void backgroundWorker1_DoWork(object sender, DoWorkEventArgs e)
{
// Build parameters
string hostname = (string)e.Argument;
string nextHop = NetworkOperations.GetIPToHost(hostname);
if (nextHop == null)
{
state = StreamState.ERROR;
return;
}
startStream(hostname, nextHop);
switch (state)
{
case StreamState.STOPPED:
case StreamState.ERROR:
case StreamState.RUNNING:
case StreamState.STOPPING:
return;
case StreamState.STARTING:
state = StreamState.RUNNING;
backgroundWorker1.ReportProgress(0);
break;
}
// Start receiving from this port
using (UdpClient client = new UdpClient(port))
{
client.Client.ReceiveTimeout = 500;
IPEndPoint remoteEndPoint = new IPEndPoint(IPAddress.Any, 0);
MouseDriver driver = new MouseDriver();
try
{
while (state == StreamState.RUNNING)
{
// Receive UDP packet
Byte[] receivedResults = client.Receive(ref remoteEndPoint);
string result = Encoding.ASCII.GetString(receivedResults);
Debug.Print("Packet: {0}", result);
// Parse packet into integers
char[] delimiterChars = { ' ', ',', '[', ']', '\r', '\n' };
string[] entries = result.Split(delimiterChars);
int[] coordinates = entries.Where(s => s.Length > 0).Select(s => Int32.Parse(s)).ToArray();
// Reject malformed packets
if (coordinates.Length != 13)
{
break;
}
// Handle packet
driver.handlePacket(coordinates);
}
state = StreamState.STOPPED;
}
catch (Exception exp)
{
Debug.Print("Exception: {0}", exp.Message);
state = StreamState.ERROR;
}
}
}
private void backgroundWorker2_DoWork(object sender, DoWorkEventArgs e)
{
e.Result = NetworkOperations.getHostListeningOnPort(port);
}