private bool CheckIfUserExists(string userName)
{
if (ActiveUsersList <NeatGenome> .ContainsUser(userName))
{
return(true);
}
return(false);
}
static void TryLaunchEvolution(Action <string> launchDelegate, string userName)
{
if (!ActiveUsersList <NeatGenome> .ContainsUser(userName) ||
!ActiveUsersList <NeatGenome> .IsUserRunning(userName))
{
LaunchActionInThread(launchDelegate, userName);
}
else
{
System.Diagnostics.Debug.WriteLine("Evolution is already running: skipping start.");
}
}
/// <summary>
/// Evolution algorithm is not a static class. This means we cannot subscribe it to the
/// event handler at the constructor. We cannot do it either right after raising the "start evolution"
/// event, since it takes a while to take effect. This method is used before trying to raise
/// the "next generation" event. If the evolution algorithm is foundm, it is subscribed.
/// </summary>
private static void LookForEvolutionAlgorithm(string userName)
{
if (!startedUsers.Contains(userName))
{
//ActiveUsersList<NeatGenome>.ListUsers();
if (ActiveUsersList <NeatGenome> .ContainsUser(userName))
{
var evolutionAlgorithm = ActiveUsersList <NeatGenome> .EvolutionAlgorithmForUser(userName);
startedUsers.Add(userName);
NextGenerationEvent += new EventHandler <EvolutionEventsArgs>(evolutionAlgorithm.ProceedNextGeneration);
SaveCandidate += new EventHandler <EvolutionEventsArgs>(evolutionAlgorithm.SaveGenomeAndExit);
ResetEvolutionEvent += new EventHandler <EvolutionEventsArgs>(EvolutionCoordination.OnResetEvolution);
StopEvolutionEvent += new EventHandler <EvolutionEventsArgs>(EvolutionCoordination.OnStopEvolution);
BranchEvent += new EventHandler <EvolutionEventsArgs>(EvolutionCoordination.OnBranch);
}
}
}
public static bool IsFreeEvolSlot(string userName)
{
// If the user is already active, it will use its own allocated spot
if (ActiveUsersList <NeatGenome> .ContainsUser(userName))
{
return(true);
}
// If not already active, it will need a new spot:
ActiveUsersList <NeatGenome> .RemoveInactiveUsers();
// This wait is probably innecessary, but there have been errors where new users try to
// take the place of others, causing trouble.
System.Threading.Thread.Sleep(100);
if (ActiveUsersList <NeatGenome> .Count() >= ActiveUsersList <NeatGenome> .MaxNumberOfUsers)
{
WriteLineForDebug("Requested a slot but the server was full.", userName);
return(false);
}
return(true);
}
private static void TryStopEvolution(string userName)
{
// We should not be able to ask to stop a process that has not started!
// (And thus we ALWAYS expect this check to be true)
if (ActiveUsersList <NeatGenome> .ContainsUser(userName))
{
if (ActiveUsersList <NeatGenome> .IsUserRunning(userName))
{
System.Diagnostics.Debug.WriteLine("Stopping evolution process...");
ActiveUsersList <NeatGenome> .SetRunningStatus(userName, false);
ActiveUsersList <NeatGenome> .EvolutionAlgorithmForUser(userName).StopEvolution();
}
else
{
System.Diagnostics.Debug.WriteLine("Evolution is already stopped: skipping stop.");
}
}
else
{
System.Diagnostics.Debug.WriteLine("Requested to stop " + userName + " but it was not found in the dictionary!");
}
}