/// <summary>
/// Used by other thread to wait for receival of special Reset-type assignment
/// </summary>
private static void WaitForResetAssignment()
{
stream = null;
ConnectToServer();
if (stream == null)
{
return;
}
while (true)
{
if (stream.DataAvailable)
{
SetAssembliesNames();
Assignment newAssignment = NetworkSupport.ReceiveObject <Assignment> (stream);
if (newAssignment.type == Assignment.AssignmentType.Reset) // Reset assignment signals that RenderClient should expect new render work
{
resetAssignmentAlreadyReceived = true;
return;
}
}
}
}
/// <summary>
/// Receives all objects which are necessary from render server
/// IRayScene - scene representation like solids, textures, lights, camera, ...
/// IRenderer - renderer itself including IImageFunction; needed for RenderPixel method
/// Sends number of threads available at client to render
/// </summary>
private static void ExchangeNecessaryInfo()
{
if (resetAssignmentAlreadyReceived) // if reset assignment was received in WaitForResetAssignment, skip it's receival here
{
resetAssignmentAlreadyReceived = false;
}
else
{
SetAssembliesNames();
Assignment assignment = NetworkSupport.ReceiveObject <Assignment> (stream);
if (assignment.type != Assignment.AssignmentType.Reset)
{
throw new Exception($"Received assignment with {assignment.type}. {Assignment.AssignmentType.Reset} expected.");
}
}
scene = NetworkSupport.ReceiveObject <IRayScene> (stream);
Console.ForegroundColor = ConsoleColor.Green;
Console.WriteLine("\nData for {0} received and deserialized.", typeof(IRayScene).Name);
renderer = NetworkSupport.ReceiveObject <IRenderer> (stream);
Console.ForegroundColor = ConsoleColor.Green;
Console.WriteLine("Data for {0} received and deserialized.\n", typeof(IRenderer).Name);
NetworkSupport.SendInt(stream, threadCount);
ClientMaster.singleton = new ClientMaster(null, scene, renderer);
}
/// <summary>
/// Thread in infinite loop accepting new assignments
/// Loop is ended by receiving Ending Assignment
/// </summary>
private static void ReceiveAssignments()
{
while (true)
{
try
{
if (stream.DataAvailable)
{
Assignment newAssignment = NetworkSupport.ReceiveObject <Assignment>(stream);
if (newAssignment.type == Assignment.AssignmentType.Ending) // Ending assignment signals end of rendering
{
finished = true; // signal for threads in Consume method
lock (consoleLock)
{
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine("\nRendering on server finished or no more assignments are expected to be received.\n");
}
return;
}
lock (consoleLock)
{
Console.ForegroundColor = ConsoleColor.Green;
Console.WriteLine(@"Data for assignment [{0}, {1}, {2}, {3}] received and deserialized.", newAssignment.x1, newAssignment.y1, newAssignment.x2, newAssignment.y2);
}
ClientMaster.singleton.availableAssignments.Enqueue(newAssignment); // adds new assignment to the queue; it is later taken from there by thread in Consume method
}
}
catch (ObjectDisposedException)
{
ConnectionLost();
}
}
}