public void DefaultSpawnRequestHandler(SpawnRequestPacket packet, IIncommingMessage message) { _logger.Debug("Default spawn handler started handling a request to spawn process"); var controller = _spawners.GetController(packet.SpawnerId); if (controller == null) { message.Respond("Failed to spawn a process. Spawner controller not found", ResponseStatus.Failed); return; } var port = _spawners.GetAvailablePort(); // Check if we're overriding an IP to master server var masterIp = string.IsNullOrEmpty(controller.DefaultSpawnerSettings.MasterIp) ? controller.Connection.ConnectionIp : controller.DefaultSpawnerSettings.MasterIp; // Check if we're overriding a port to master server var masterPort = controller.DefaultSpawnerSettings.MasterPort < 0 ? controller.Connection.ConnectionPort : controller.DefaultSpawnerSettings.MasterPort; // Machine Ip var machineIp = controller.DefaultSpawnerSettings.MachineIp; // Path to executable var path = controller.DefaultSpawnerSettings.ExecutablePath; if (string.IsNullOrEmpty(path)) { path = File.Exists(Environment.GetCommandLineArgs()[0]) ? Environment.GetCommandLineArgs()[0] : Process.GetCurrentProcess().MainModule.FileName; } // In case a path is provided with the request if (packet.Properties.ContainsKey(OptionKeys.ExecutablePath)) { path = packet.Properties[OptionKeys.ExecutablePath]; } // Get the scene name var sceneNameArgument = packet.Properties.ContainsKey(OptionKeys.SceneName) ? string.Format("{0} {1} ", CommandLineArgs.Names.LoadScene, packet.Properties[OptionKeys.SceneName]) : ""; if (!string.IsNullOrEmpty(packet.OverrideExePath)) { path = packet.OverrideExePath; } // If spawn in batchmode was set and `DontSpawnInBatchmode` arg is not provided var spawnInBatchmode = controller.DefaultSpawnerSettings.SpawnInBatchmode && !CommandLineArgs.DontSpawnInBatchmode; var startProcessInfo = new ProcessStartInfo(path) { CreateNoWindow = false, UseShellExecute = false, Arguments = " " + (spawnInBatchmode ? "-batchmode -nographics " : "") + (controller.DefaultSpawnerSettings.AddWebGlFlag ? CommandLineArgs.Names.WebGl + " " : "") + sceneNameArgument + string.Format("{0} {1} ", CommandLineArgs.Names.MasterIp, masterIp) + string.Format("{0} {1} ", CommandLineArgs.Names.MasterPort, masterPort) + string.Format("{0} {1} ", CommandLineArgs.Names.SpawnId, packet.SpawnId) + string.Format("{0} {1} ", CommandLineArgs.Names.AssignedPort, port) + string.Format("{0} {1} ", CommandLineArgs.Names.MachineIp, machineIp) + (CommandLineArgs.DestroyUi ? CommandLineArgs.Names.DestroyUi + " " : "") + string.Format("{0} \"{1}\" ", CommandLineArgs.Names.SpawnCode, packet.SpawnCode) + packet.CustomArgs }; _logger.Debug("Starting process with args: " + startProcessInfo.Arguments); var processStarted = false; try { new Thread(() => { try { _logger.Debug("New thread started"); using (var process = Process.Start(startProcessInfo)) { _logger.Debug("Process started. Spawn Id: " + packet.SpawnId + ", pid: " + process.Id); processStarted = true; lock (_processLock) { // Save the process _processes[packet.SpawnId] = process; } var processId = process.Id; // Notify server that we've successfully handled the request AppTimer.ExecuteOnMainThread(() => { message.Respond(ResponseStatus.Success); controller.NotifyProcessStarted(packet.SpawnId, processId, startProcessInfo.Arguments); }); process.WaitForExit(); } } catch (Exception e) { if (!processStarted) { AppTimer.ExecuteOnMainThread(() => { message.Respond(ResponseStatus.Failed); }); } _logger.Error("An exception was thrown while starting a process. Make sure that you have set a correct build path. " + "We've tried to start a process at: '" + path + "'. You can change it at 'SpawnerBehaviour' component"); _logger.Error(e); } finally { lock (_processLock) { // Remove the process _processes.Remove(packet.SpawnId); } AppTimer.ExecuteOnMainThread(() => { // Release the port number _spawners.ReleasePort(port); _logger.Debug("Notifying about killed process with spawn id: " + packet.SpawnerId); controller.NotifyProcessKilled(packet.SpawnId); }); } }).Start(); } catch (Exception e) { message.Respond(e.Message, ResponseStatus.Error); Logs.Error(e); } }