// Sender
static void sender()
{
DateTime now;
DateTime last = System.DateTime.Now;
UdpClient client = new UdpClient();
client.Connect(new IPEndPoint(IPAddress.Parse(serverIP), serverPort));
while (true)
{
now = System.DateTime.Now;
if (now >= last.AddMilliseconds(senderDelay) && buffer.Count() > 0)
{
try
{
Console.WriteLine("\tSending Package at {0}", now.ToString());
TrackerPkg package = buffer.TryPeek();
byte[] pkgBytes = package.GetBytes();
client.Send(pkgBytes, pkgBytes.Length);
}
catch (System.Exception)
{
// See: https://github.com/dotnet/runtime/issues/923
Console.WriteLine("\t\t(Sending aborted by O.S.)");
}
last = last.AddMilliseconds(locatorDelay);
}
}
}
// Listener
static void listener()
{
while (true)
{
UdpClient client = new UdpClient(9999);
IPEndPoint remoteIp = new IPEndPoint(IPAddress.Parse(serverIP), 0);
byte[] receivedBytes = client.Receive(ref remoteIp);
client.Close();
TrackerPkg response = new TrackerPkg(receivedBytes);
TrackerPkg package = buffer.TryPeek();
if (package.type == 1 && package.message_id == response.message_id)
{
buffer.TryDequeue();
}
Console.WriteLine("\tLast package delivered sucessfully (Removed from queue).");
}
}
// Locator
static void locator()
{
DateTime now;
DateTime last = System.DateTime.Now;
while (true)
{
now = System.DateTime.Now;
if (now >= last.AddMilliseconds(locatorDelay))
{
Console.WriteLine("\tStoring Location at {0}", now.ToString());
string location = GPSMngr.getLocation();
String timeStamp = now.ToString("yyyyMMddHHmmssffff");
TrackerPkg package = new TrackerPkg(0, deviceNumber, timeStamp, location);
buffer.Enqueue(package);
last = last.AddMilliseconds(locatorDelay);
}
}
}
// Saver
static void saver()
{
UdpClient client = new UdpClient();
while (true)
{
if (buffer.Count > 0)
{
// Decoding the stream
TrackerPkg package = new TrackerPkg(buffer.Dequeue());
IPEndPoint remoteIp = remoteSockets.Dequeue();
// Printing the location
Console.WriteLine("\tLocation received from device {0}: {1}.", package.device, package.message);
// Sending confirmation
TrackerPkg response = new TrackerPkg(1, 0, package.device.ToString(), "");
byte[] resBytes = response.GetBytes();
remoteIp.Port = 9999;
client.Send(resBytes, resBytes.Length, remoteIp);
}
}
}
