/// <summary>
/// Process server commands. Returns TRUE if the application should exit.
/// </summary>
async Task <bool> ProcessServerCommands()
{
if (Program.ParamControlPipe == "")
{
return(false);
}
try
{
Log.Write("Starting pipe...");
mProcessManager = new ProcessManager(Program.ParamControlPipe, false);
Log.Write("Pipe connected");
await mProcessManager.SendCommandAsync(ProcessManager.COMMAND_CONNECTED);
while (!mExiting)
{
var command = await mProcessManager.ReadCommandAsync();
if (command.StartsWith(ProcessManager.COMMAND_CLOSE))
{
await mProcessManager.SendCommandAsync(ProcessManager.COMMAND_CLOSING + "@reason=Closed by service");
return(true);
}
}
}
catch (Exception ex)
{
Log.Write("ProcessServerCommands", ex);
}
return(false);
}
async Task ProcessServerCommands()
{
try
{
mProcessManager = new ProcessManager(Program.ParamControlPipe, false);
await mProcessManager.SendCommandAsync(ProcessManager.COMMAND_CONNECTED);
var commandTask = mProcessManager.ReadCommandAsync();
// Poll for desktop change every POLL_FOR_DESKTOP_CHANGE_MS milliseconds,
// and close application when COMMAND_CLOSE is received
while (true)
{
var desktop = Wts.GetDesktopName();
if (desktop != mDesktop)
{
await mProcessManager.SendCommandAsync(desktop);
}
mDesktop = desktop;
if (commandTask.IsCompleted)
{
var command = commandTask.Result;
commandTask = mProcessManager.ReadCommandAsync();
if (command.StartsWith(ProcessManager.COMMAND_CLOSE))
{
await mProcessManager.SendCommandAsync(ProcessManager.COMMAND_CLOSING + "@reason=Closed by service");
break;
}
}
commandTask.Wait(POLL_FOR_DESKTOP_CHANGE_MS);
}
}
catch (Exception ex)
{
try { mProcessManager.SendCommandAsync(ProcessManager.COMMAND_CLOSING + "@reason=Exception: " + ex.Message + ", Stack: " + ex.StackTrace.Replace("\n", "").Replace("\r", "")).Wait(100); }
catch { }
}
}
/// <summary>
/// Monitor GUI and DESKTOP processes
/// </summary>
async void ProcessRemoteCommunications(ProcessManager manager, string processName)
{
try
{
await manager.WaitForConnection();
var command = "";
while (!command.StartsWith(ProcessManager.COMMAND_CLOSING))
{
command = await manager.ReadCommandAsync();
if (command.StartsWith(ProcessManager.COMMAND_CONNECTED))
{
Log.Write(processName + " process connected on pipe " + manager.PipeName);
}
else if (!command.StartsWith("$"))
{
// For now, all non-control commands are just the desktop name
if (command != mDesktopFromWatcher)
{
Log.Write("Desktop changed to: " + command);
mDesktopFromWatcher = command;
CheckServiceRunning(); // Restart GUI on new desktop
}
}
}
Log.Write(processName + " process closed itself on pipe " + manager.PipeName + ": " + command);
lock (mServiceLock)
{
if (manager == mDesktopMan)
{
mDesktopFromWatcher = ""; // Prevent launching new GUI until we get a valid desktop
}
}
}
catch (Exception ex)
{
Log.Write(processName + " process exception: Pipe=" + manager.PipeName + ", Exception=" + ex.GetType() + ", Message=" + ex.Message);
}
CheckServiceRunning();
}