private void ProcessQueue()
{
_processing = true;
Observable.Timer(TimeSpan.Zero, TimeSpan.FromMilliseconds(10)).TakeUntil(_stopSubject).Subscribe(
l =>
{
if ((SystemCommands.TryPeekCommand(out var cmd) || ManualCommands.TryPeekCommand(out cmd) || FileCommands.TryPeekCommand(out cmd) || FileCommands.State != CommandSourceState.Running && _waitingCommandQueue.Count == 0 && MacroCommands.TryPeekCommand(out cmd)) && cmd != null && cmd.Data.RemoveSpace().Length + CommandQueueLength <= _bufferSizeLimit)
{
var continueProcess = cmd.Source switch
{
CommandSourceType.System => SystemCommands.TryGetCommand(out cmd),
CommandSourceType.Macros => MacroCommands.TryGetCommand(out cmd),
CommandSourceType.Manual => ManualCommands.TryGetCommand(out cmd),
CommandSourceType.File => FileCommands.TryGetCommand(out cmd),
_ => false
};
if (!continueProcess)
{
return;
}
_commandPreProcessor.Process(ref cmd);
Send(cmd);
}
});
}
public void Send(string command, string onResult = null)
{
lock (_lockObject)
{
_uiContext.Send(
x =>
{
CommunicationLog.Insert(0, "grbl <=" + command);
if (CommunicationLog.Count > 500)
{
CommunicationLog.Remove(CommunicationLog.Last());
}
}, null);
}
OnCommunicationLogUpdated();
var cmd = new Command {
Data = command, CommandOnResult = onResult
};
_commandPreProcessor.Process(ref cmd);
switch (cmd.Type)
{
case RequestType.Realtime:
Send(cmd);
break;
case RequestType.System:
{
lock (_lockObject)
{
if (!SystemCommands.DataInQueue(cmd.Data, 3))
{
SystemCommands.Add(command);
}
}
break;
}
default:
{
lock (_lockObject)
{
ManualCommands.Add(command);
}
break;
}
}
}
public void PurgeQueues()
{
while (_waitingCommandQueue.Count > 0)
{
_waitingCommandQueue.TryDequeue(out var dummy);
CommandQueueLengthChanged?.Invoke(this, CommandQueueLength);
}
SystemCommands.Purge();
ManualCommands.Purge();
FileCommands.Purge();
MacroCommands.Purge();
}
private void ComServiceConnectionStateChanged(object sender, ConnectionState e)
{
if (e == ConnectionState.Online)
{
if (!_processing)
{
ProcessQueue();
}
SystemCommands.StartProcessing();
ManualCommands.StartProcessing();
MacroCommands.StartProcessing();
}
else
{
_stopSubject.OnNext(Unit.Default);
_processing = false;
SystemCommands.PauseProcessing();
ManualCommands.PauseProcessing();
MacroCommands.PauseProcessing();
}
}
