public IAppInstance Run(IAppInstall App)
        {
            MacAppInstall MacInstall = App as MacAppInstall;

            if (MacInstall == null)
            {
                throw new AutomationException("Invalid install type!");
            }

            IProcessResult Result = null;

            lock (Globals.MainLock)
            {
                string NewWorkingDir = string.IsNullOrEmpty(MacInstall.WorkingDirectory) ? MacInstall.LocalPath : MacInstall.WorkingDirectory;
                string OldWD         = Environment.CurrentDirectory;
                Environment.CurrentDirectory = NewWorkingDir;

                Log.Info("Launching {0} on {1}", App.Name, ToString());
                Log.Verbose("\t{0}", MacInstall.CommandArguments);

                Result = CommandUtils.Run(MacInstall.ExecutablePath, MacInstall.CommandArguments, Options: MacInstall.RunOptions);

                if (Result.HasExited && Result.ExitCode != 0)
                {
                    throw new AutomationException("Failed to launch {0}. Error {1}", MacInstall.ExecutablePath, Result.ExitCode);
                }

                Environment.CurrentDirectory = OldWD;
            }

            return(new MacAppInstance(MacInstall, Result));
        }
        public IAppInstance Run(IAppInstall App)
        {
            AndroidAppInstall DroidAppInstall = App as AndroidAppInstall;

            if (DroidAppInstall == null)
            {
                throw new Exception("AppInstance is of incorrect type!");
            }

            // wake the device - we can install while its asleep but not run
            PowerOn();

            // kill any currently running instance:
            KillRunningProcess(DroidAppInstall.AndroidPackageName);

            string LaunchActivity = AndroidPlatform.GetLaunchableActivityName();

            Log.Info("Launching {0} on '{1}' ", DroidAppInstall.AndroidPackageName + "/" + LaunchActivity, ToString());
            Log.Verbose("\t{0}", DroidAppInstall.CommandLine);

            // Clear the device's logcat in preparation for the test..
            RunAdbDeviceCommand("logcat --clear");

            // start the app on device!
            string         CommandLine = "shell am start -W -S -n " + DroidAppInstall.AndroidPackageName + "/" + LaunchActivity;
            IProcessResult Process     = RunAdbDeviceCommand(CommandLine, false, true);

            return(new AndroidAppInstance(this, DroidAppInstall, Process));
        }
		public IAppInstance Run(IAppInstall App)
		{
			LuminAppInstall LuminInstall = App as LuminAppInstall;

			if (LuminInstall == null)
			{
				throw new Exception("AppInstance is of incorrect type!");
			}

			string QualifiedPackageName = GetQualifiedProjectName(LuminInstall.Name);

			// wake the device - we can install while its asleep but not run
			PowerOn();

			// kill any currently running instance:
			KillRunningProcess(QualifiedPackageName);
			
			Log.Info("Launching {0} on '{1}' ", QualifiedPackageName, ToString());
			Log.Verbose("\t{0}", LuminInstall.CommandLine);

			// Clear the device's log in preparation for the test..
			RunMldbDeviceCommand("log -c");

			// start the app on device!
			string CommandLine = "launch --auto-net-privs " + QualifiedPackageName + " -i \"" + LuminInstall.CommandLine + "\"";
			IProcessResult Process = RunMldbDeviceCommand(CommandLine, false, true);

			return new LuminAppInstance(this, LuminInstall, Process);
		}
Пример #4
0
        public IAppInstance Run(IAppInstall App)
        {
            NullAppInstall NullApp = App as NullAppInstall;

            if (NullApp == null)
            {
                throw new DeviceException("AppInstance is of incorrect type!");
            }

            Log.Info("Launching {0} on {1}", App.Name, ToString());
            Log.Info("\t{0}", NullApp.CommandLine);

            return(new NullAppInstance(this));
        }
Пример #5
0
        protected void TestInstallThenRun(UnrealBuildSource Build, UnrealTargetRole ProcessType, ITargetDevice Device, UnrealTargetConfiguration Config, UnrealOptions InOptions = null)
        {
            // create a config based on the passed in params

            UnrealSessionRole Role = new UnrealSessionRole(ProcessType, Device.Platform, Config, InOptions);

            Log.Info("Testing {0}", Role);

            UnrealAppConfig AppConfig = Build.CreateConfiguration(Role);

            if (!CheckResult(AppConfig != null, "Could not create config for {0} {1} with platform {2} from build.", Config, ProcessType, Device))
            {
                MarkComplete();
                return;
            }

            // Install the app on this device
            IAppInstall AppInstall = Device.InstallApplication(AppConfig);

            CheckResult(AppConfig != null, "Could not create AppInstall for {0} {1} with platform {2} from build.", Config, ProcessType, Device);


            DateTime StartTime = DateTime.Now;

            // Run the app and wait for either a timeout or it to exit
            IAppInstance AppProcess = AppInstall.Run();

            while (AppProcess.HasExited == false)
            {
                if ((DateTime.Now - StartTime).TotalSeconds > 60)
                {
                    break;
                }

                Thread.Sleep(1000);
            }

            // Check it didn't exit unexpectedly
            CheckResult(AppProcess.HasExited == false, "Failed to run {0} {1} with platform {2}", Config, ProcessType, Device);

            // but kill it
            AppProcess.Kill();

            // Check that it left behind some artifacts (minimum should be a log)
            int ArtifactCount = new DirectoryInfo(AppProcess.ArtifactPath).GetFiles("*", SearchOption.AllDirectories).Length;

            CheckResult(ArtifactCount > 0, "No artifacts on device!");
        }
        public IAppInstance Run(IAppInstall App)
        {
            IOSAppInstall IOSApp = App as IOSAppInstall;

            if (IOSApp == null)
            {
                throw new DeviceException("AppInstance is of incorrect type!");
            }

            string CommandLine = IOSApp.CommandLine.Replace("\"", "\\\"");

            Log.Info("Launching {0} on {1}", App.Name, ToString());
            Log.Verbose("\t{0}", CommandLine);

            // ios-deploy notes: -L launches detached, -I non-interactive  (exits when app exits), -r uninstalls before install (removes app Documents folder)
            // -t <seconds> number of seconds to wait for device to be connected

            // setup symbols if available
            string DSymBundle = "";
            string DSymDir    = Path.Combine(GauntletAppCache, "Symbols");

            if (Directory.Exists(DSymDir))
            {
                DSymBundle = Directory.GetDirectories(DSymDir).Where(D => Path.GetExtension(D).ToLower() == ".dsym").FirstOrDefault();
                DSymBundle = string.IsNullOrEmpty(DSymBundle) ? "" : DSymBundle = " -S \"" + DSymBundle + "\"";
            }

            string CL = "--noinstall -I" + DSymBundle + " -b \"" + LocalAppBundle + "\" --args '" + CommandLine.Trim() + "'";

            IProcessResult Result = ExecuteIOSDeployCommand(CL, 0);

            Thread.Sleep(5000);

            // Give ios-deploy a chance to throw out any errors...
            if (Result.HasExited)
            {
                Log.Warning("ios-deploy exited early: " + Result.Output);
                throw new DeviceException("Failed to launch on {0}. {1}", Name, Result.Output);
            }

            return(new IOSAppInstance(IOSApp, Result, IOSApp.CommandLine));
        }
        public IAppInstance Run(IAppInstall App)
        {
            WindowsAppInstall WinApp = App as WindowsAppInstall;

            if (WinApp == null)
            {
                throw new DeviceException("AppInstance is of incorrect type!");
            }

            if (File.Exists(WinApp.ExecutablePath) == false)
            {
                throw new DeviceException("Specified path {0} not found!", WinApp.ExecutablePath);
            }

            IProcessResult Result = null;

            lock (Globals.MainLock)
            {
                string ExePath       = Path.GetDirectoryName(WinApp.ExecutablePath);
                string NewWorkingDir = string.IsNullOrEmpty(WinApp.WorkingDirectory) ? ExePath : WinApp.WorkingDirectory;
                string OldWD         = Environment.CurrentDirectory;
                Environment.CurrentDirectory = NewWorkingDir;

                Log.Info("Launching {0} on {1}", App.Name, ToString());
                Log.Verbose("\t{0}", WinApp.CommandArguments);

                Result = CommandUtils.Run(WinApp.ExecutablePath, WinApp.CommandArguments, Options: WinApp.RunOptions);

                if (Result.HasExited && Result.ExitCode != 0)
                {
                    throw new AutomationException("Failed to launch {0}. Error {1}", WinApp.ExecutablePath, Result.ExitCode);
                }

                Environment.CurrentDirectory = OldWD;
            }

            return(new WindowsAppInstance(WinApp, Result));
        }
Пример #8
0
        /// <summary>
        /// Installs and launches all of our roles and returns an UnrealSessonInstance that represents the aggregate
        /// of all of these processes. Will perform retries if errors with devices are encountered so this is a "best
        /// attempt" at running with the devices provided
        /// </summary>
        /// <returns></returns>
        public UnrealSessionInstance LaunchSession()
        {
            SessionInstance = null;

            // tries to find devices and launch our session. Will loop until we succeed, we run out of devices/retries, or
            // something fatal occurs..
            while (SessionInstance == null && Globals.CancelSignalled == false)
            {
                int Retries   = 5;
                int RetryWait = 120;

                IEnumerable <UnrealSessionRole> RolesNeedingDevices = SessionRoles.Where(R => R.IsNullRole() == false);

                while (ReservedDevices.Count() < RolesNeedingDevices.Count())
                {
                    // get devices
                    TryReserveDevices();

                    if (Globals.CancelSignalled)
                    {
                        break;
                    }

                    // if we failed to get enough devices, show a message and wait
                    if (ReservedDevices.Count() != SessionRoles.Count())
                    {
                        if (Retries == 0)
                        {
                            throw new AutomationException("Unable to acquire all devices for test.");
                        }
                        Log.Info("\nUnable to find enough device(s). Waiting {0} secs (retries left={1})\n", RetryWait, --Retries);
                        Thread.Sleep(RetryWait * 1000);
                    }
                }

                if (Globals.CancelSignalled)
                {
                    return(null);
                }

                Dictionary <IAppInstall, UnrealSessionRole> InstallsToRoles = new Dictionary <IAppInstall, UnrealSessionRole>();

                // create a copy of our list
                IEnumerable <ITargetDevice> DevicesToInstallOn = ReservedDevices.ToArray();

                bool InstallSuccess = true;


#if !__MonoCS__
                // count how many desktop clients
                IEnumerable <UnrealSessionRole> DesktopClients = SessionRoles.Where(R => R.Platform == BuildHostPlatform.Current.Platform).Where(R => R.RoleType.IsClient());

                if (DesktopClients.Count() > 1)
                {
                    int NumClientRows = (int)Math.Ceiling(DesktopClients.Count() / 2.0);

                    var ScreenRect = System.Windows.Forms.Screen.PrimaryScreen.Bounds;

                    double Ratio = 16.0 / 9.0;

                    // pick width
                    int DesiredWidth = ScreenRect.Width / 2;

                    // height at 16:9 aspect
                    int DesiredHeight = (int)(DesiredWidth / Ratio);

                    // constrain width if the screen can't have that many rows
                    if (DesiredHeight * NumClientRows > ScreenRect.Height)
                    {
                        DesiredHeight = ScreenRect.Height / NumClientRows;
                        DesiredWidth  = (int)(DesiredHeight * Ratio);
                    }

                    // now set all these params and disable the regular params that pick windowed stuff
                    for (int i = 0; i < DesktopClients.Count(); i++)
                    {
                        UnrealSessionRole Role = DesktopClients.ElementAt(i);
                        int Row    = i / 2;
                        int Column = i - (Row * 2);

                        // this is hacky, but not sure if a better way to do it right now without changing interfaces in a TBD way
                        UnrealTestConfiguration ConfigOptions = Role.Options as UnrealTestConfiguration;

                        if (ConfigOptions != null)
                        {
                            ConfigOptions.IgnoreDefaultResolutionAndWindowMode = true;
                        }

                        Role.CommandLine += string.Format(" -WinX={0} -WinY={1} -ResX={2} -ResY={3} -windowed",
                                                          Column * DesiredWidth, Row * DesiredHeight, DesiredWidth, DesiredHeight);
                    }
                }
#endif

                // sort by constraints, so that we pick constrained devices first
                List <UnrealSessionRole> SortedRoles = SessionRoles.OrderBy(R => R.Constraint.IsIdentity() ? 1 : 0).ToList();

                // first install all roles on these devices
                foreach (var Role in SortedRoles)
                {
                    ITargetDevice Device = null;

                    if (Role.IsNullRole() == false)
                    {
                        Device = DevicesToInstallOn.Where(D => D.IsConnected && D.Platform == Role.Platform &&
                                                          (Role.Constraint.IsIdentity() || DevicePool.Instance.GetConstraint(D) == Role.Constraint)).First();

                        DevicesToInstallOn = DevicesToInstallOn.Where(D => D != Device);
                    }
                    else
                    {
                        Device = new TargetDeviceNull(string.Format("Null{0}", Role.RoleType));
                    }

                    var OtherRoles = SortedRoles.Where(R => R != Role);

                    // create a config from the build source (this also applies the role options)
                    UnrealAppConfig AppConfig = BuildSource.CreateConfiguration(Role, OtherRoles);

                    // todo - should this be elsewhere?
                    AppConfig.Sandbox = Sandbox;

                    IAppInstall Install = null;

                    try
                    {
                        Install = Device.InstallApplication(AppConfig);
                    }
                    catch (System.Exception Ex)
                    {
                        // Warn, ignore the device, and do not continue
                        Log.Info("Failed to install app onto device {0} for role {1}. {2}. Will retry with new device", Device, Role, Ex);
                        MarkProblemDevice(Device);
                        InstallSuccess = false;
                        break;
                    }

                    if (Globals.CancelSignalled)
                    {
                        break;
                    }

                    // Device has app installed, give role a chance to configure device
                    Role.ConfigureDevice?.Invoke(Device);

                    InstallsToRoles[Install] = Role;
                }

                if (InstallSuccess == false)
                {
                    // release all devices
                    ReleaseDevices();
                }


                if (InstallSuccess && Globals.CancelSignalled == false)
                {
                    List <UnrealSessionInstance.RoleInstance> RunningRoles = new List <UnrealSessionInstance.RoleInstance>();

                    // Now try to run all installs on their devices
                    foreach (var InstallRoleKV in InstallsToRoles)
                    {
                        IAppInstall CurrentInstall = InstallRoleKV.Key;

                        bool Success = false;

                        try
                        {
                            IAppInstance Instance = CurrentInstall.Run();

                            if (Instance != null || Globals.CancelSignalled)
                            {
                                RunningRoles.Add(new UnrealSessionInstance.RoleInstance(InstallRoleKV.Value, Instance));
                            }

                            Success = true;
                        }
                        catch (DeviceException Ex)
                        {
                            // shutdown all
                            Log.Warning("Device {0} threw an exception during launch. \nException={1}", CurrentInstall.Device, Ex.Message);
                            Success = false;
                        }

                        if (Success == false)
                        {
                            Log.Warning("Failed to start build on {0}. Marking as problem device and retrying with new set", CurrentInstall.Device);

                            // terminate anything that's running
                            foreach (UnrealSessionInstance.RoleInstance RunningRole in RunningRoles)
                            {
                                Log.Info("Shutting down {0}", RunningRole.AppInstance.Device);
                                RunningRole.AppInstance.Kill();
                                RunningRole.AppInstance.Device.Disconnect();
                            }

                            // mark that device as a problem
                            MarkProblemDevice(CurrentInstall.Device);

                            // release all devices
                            ReleaseDevices();

                            break;                             // do not continue loop
                        }
                    }

                    if (RunningRoles.Count() == SessionRoles.Count())
                    {
                        SessionInstance = new UnrealSessionInstance(RunningRoles.ToArray());
                    }
                }
            }

            return(SessionInstance);
        }
        void TestClientPlatform(UnrealTargetPlatform Platform)
        {
            string GameName  = this.ProjectFile.FullName;
            string BuildPath = this.BuildPath;
            string DevKit    = this.DevkitName;

            if (GameName.Equals("OrionGame", StringComparison.OrdinalIgnoreCase) == false)
            {
                Log.Info("Skipping test {0} due to non-Orion project!", this);
                MarkComplete();
                return;
            }

            // create a new build
            UnrealBuildSource Build = new UnrealBuildSource(ProjectFile, this.UnrealPath, UsesSharedBuildType, BuildPath);

            // check it's valid
            if (!CheckResult(Build.BuildCount > 0, "staged build was invalid"))
            {
                MarkComplete();
                return;
            }

            // Create devices to run the client and server
            ITargetDevice ServerDevice = new TargetDeviceWindows("PC Server", Gauntlet.Globals.TempDir);
            ITargetDevice ClientDevice = null;

            if (Platform == UnrealTargetPlatform.PS4)
            {
                //ClientDevice = new TargetDevicePS4(this.PS4Name);
            }
            else
            {
                ClientDevice = new TargetDeviceWindows("PC Client", Gauntlet.Globals.TempDir);
            }

            UnrealAppConfig ServerConfig = Build.CreateConfiguration(new UnrealSessionRole(UnrealTargetRole.Server, ServerDevice.Platform, UnrealTargetConfiguration.Development));
            UnrealAppConfig ClientConfig = Build.CreateConfiguration(new UnrealSessionRole(UnrealTargetRole.Client, ClientDevice.Platform, UnrealTargetConfiguration.Development));

            if (!CheckResult(ServerConfig != null && ServerConfig != null, "Could not create configs!"))
            {
                MarkComplete();
                return;
            }

            ShortSoloOptions Options = new ShortSoloOptions();

            Options.ApplyToConfig(ClientConfig);
            Options.ApplyToConfig(ServerConfig);

            IAppInstall ClientInstall = ClientDevice.InstallApplication(ClientConfig);
            IAppInstall ServerInstall = ServerDevice.InstallApplication(ServerConfig);

            if (!CheckResult(ServerConfig != null && ServerConfig != null, "Could not create configs!"))
            {
                MarkComplete();
                return;
            }

            IAppInstance ClientInstance = ClientInstall.Run();
            IAppInstance ServerInstance = ServerInstall.Run();

            DateTime StartTime        = DateTime.Now;
            bool     RunWasSuccessful = true;

            while (ClientInstance.HasExited == false)
            {
                if ((DateTime.Now - StartTime).TotalSeconds > 800)
                {
                    RunWasSuccessful = false;
                    break;
                }
            }

            ClientInstance.Kill();
            ServerInstance.Kill();

            UnrealLogParser LogParser = new UnrealLogParser(ClientInstance.StdOut);

            UnrealLogParser.CallstackMessage ErrorInfo = LogParser.GetFatalError();
            if (ErrorInfo != null)
            {
                CheckResult(false, "FatalError - {0}", ErrorInfo.Message);
            }

            RunWasSuccessful = LogParser.HasRequestExit();

            CheckResult(RunWasSuccessful, "Failed to run for platform {0}", Platform);
        }
        public IAppInstance Run(IAppInstall App)
        {
            WindowsAppInstall WinApp = App as WindowsAppInstall;

            if (WinApp == null)
            {
                throw new DeviceException("AppInstance is of incorrect type!");
            }

            if (File.Exists(WinApp.ExecutablePath) == false)
            {
                throw new DeviceException("Specified path {0} not found!", WinApp.ExecutablePath);
            }

            IProcessResult Result         = null;
            string         ProcessLogFile = null;

            lock (Globals.MainLock)
            {
                string ExePath       = Path.GetDirectoryName(WinApp.ExecutablePath);
                string NewWorkingDir = string.IsNullOrEmpty(WinApp.WorkingDirectory) ? ExePath : WinApp.WorkingDirectory;
                string OldWD         = Environment.CurrentDirectory;
                Environment.CurrentDirectory = NewWorkingDir;

                Log.Info("Launching {0} on {1}", App.Name, ToString());

                string CmdLine = WinApp.CommandArguments;

                // Look in app parameters if abslog is specified, if so use it
                Regex CLRegex = new Regex(@"(--?[a-zA-Z]+)[:\s=]?([A-Z]:(?:\\[\w\s-]+)+\\?(?=\s-)|\""[^\""]*\""|[^-][^\s]*)?");
                foreach (Match M in CLRegex.Matches(CmdLine))
                {
                    if (M.Groups.Count == 3 && M.Groups[1].Value == "-abslog")
                    {
                        ProcessLogFile = M.Groups[2].Value;
                    }
                }

                // explicitly set log file when not already defined
                if (string.IsNullOrEmpty(ProcessLogFile))
                {
                    string LogFolder = string.Format(@"{0}\Logs", WinApp.ArtifactPath);

                    if (!Directory.Exists(LogFolder))
                    {
                        Directory.CreateDirectory(LogFolder);
                    }

                    ProcessLogFile = string.Format("{0}\\{1}.log", LogFolder, WinApp.ProjectName);
                    CmdLine        = string.Format("{0} -abslog=\"{1}\"", CmdLine, ProcessLogFile);
                }

                // cleanup any existing log file
                try
                {
                    if (File.Exists(ProcessLogFile))
                    {
                        File.Delete(ProcessLogFile);
                    }
                }
                catch (Exception Ex)
                {
                    throw new AutomationException("Unable to delete existing log file {0} {1}", ProcessLogFile, Ex.Message);
                }

                Log.Verbose("\t{0}", CmdLine);

                Result = CommandUtils.Run(WinApp.ExecutablePath, CmdLine, Options: WinApp.RunOptions | (ProcessLogFile != null ? CommandUtils.ERunOptions.NoStdOutRedirect : 0));

                if (Result.HasExited && Result.ExitCode != 0)
                {
                    throw new AutomationException("Failed to launch {0}. Error {1}", WinApp.ExecutablePath, Result.ExitCode);
                }

                Environment.CurrentDirectory = OldWD;
            }

            return(new WindowsAppInstance(WinApp, Result, ProcessLogFile));
        }
Пример #11
0
        /// <summary>
        /// Installs and launches all of our roles and returns an UnrealSessonInstance that represents the aggregate
        /// of all of these processes. Will perform retries if errors with devices are encountered so this is a "best
        /// attempt" at running with the devices provided
        /// </summary>
        /// <returns></returns>
        public UnrealSessionInstance LaunchSession()
        {
            SessionInstance = null;

            // tries to find devices and launch our session. Will loop until we succeed, we run out of devices/retries, or
            // something fatal occurs..
            while (SessionInstance == null && Globals.CancelSignalled == false)
            {
                int Retries   = 5;
                int RetryWait = 120;

                IEnumerable <UnrealSessionRole> RolesNeedingDevices = SessionRoles.Where(R => R.IsNullRole() == false);

                while (ReservedDevices.Count() < RolesNeedingDevices.Count())
                {
                    // get devices
                    TryReserveDevices();

                    if (Globals.CancelSignalled)
                    {
                        break;
                    }

                    // if we failed to get enough devices, show a message and wait
                    if (ReservedDevices.Count() != SessionRoles.Count())
                    {
                        if (Retries == 0)
                        {
                            throw new AutomationException("Unable to acquire all devices for test.");
                        }
                        Log.Info("\nUnable to find enough device(s). Waiting {0} secs (retries left={1})\n", RetryWait, --Retries);
                        Thread.Sleep(RetryWait * 1000);
                    }
                }

                if (Globals.CancelSignalled)
                {
                    return(null);
                }

                Dictionary <IAppInstall, UnrealSessionRole> InstallsToRoles = new Dictionary <IAppInstall, UnrealSessionRole>();

                // create a copy of our list
                IEnumerable <ITargetDevice> DevicesToInstallOn = ReservedDevices.ToArray();

                bool InstallSuccess = true;

                // sort by constraints, so that we pick constrained devices first
                List <UnrealSessionRole> SortedRoles = SessionRoles.OrderBy(R => R.Constraint.IsIdentity() ? 1 : 0).ToList();

                // first install all roles on these devices
                foreach (var Role in SortedRoles)
                {
                    ITargetDevice Device = null;

                    if (Role.IsNullRole() == false)
                    {
                        Device = DevicesToInstallOn.Where(D => D.IsConnected && D.Platform == Role.Platform &&
                                                          (Role.Constraint.IsIdentity() || DevicePool.Instance.GetConstraint(D) == Role.Constraint)).First();

                        DevicesToInstallOn = DevicesToInstallOn.Where(D => D != Device);
                    }
                    else
                    {
                        Device = new TargetDeviceNull(string.Format("Null{0}", Role.RoleType));
                    }

                    // create a config from the build source (this also applies the role options)
                    UnrealAppConfig AppConfig = BuildSource.CreateConfiguration(Role);

                    // todo - should this be elsewhere?
                    AppConfig.Sandbox = Sandbox;

                    IAppInstall Install = null;

                    try
                    {
                        Install = Device.InstallApplication(AppConfig);
                    }
                    catch (System.Exception Ex)
                    {
                        // Warn, ignore the device, and do not continue
                        Log.Info("Failed to install app onto device {0} for role {1}. {2}. Will retry with new device", Device, Role, Ex);
                        MarkProblemDevice(Device);
                        InstallSuccess = false;
                        break;
                    }


                    if (Globals.CancelSignalled)
                    {
                        break;
                    }

                    InstallsToRoles[Install] = Role;
                }

                if (InstallSuccess == false)
                {
                    // release all devices
                    ReleaseDevices();
                }


                if (InstallSuccess && Globals.CancelSignalled == false)
                {
                    List <UnrealSessionInstance.RoleInstance> RunningRoles = new List <UnrealSessionInstance.RoleInstance>();

                    // Now try to run all installs on their devices
                    foreach (var InstallRoleKV in InstallsToRoles)
                    {
                        IAppInstall CurrentInstall = InstallRoleKV.Key;

                        bool Success = false;

                        try
                        {
                            IAppInstance Instance = CurrentInstall.Run();

                            if (Instance != null || Globals.CancelSignalled)
                            {
                                RunningRoles.Add(new UnrealSessionInstance.RoleInstance(InstallRoleKV.Value, Instance));
                            }

                            Success = true;
                        }
                        catch (DeviceException Ex)
                        {
                            // shutdown all
                            Log.Warning("Device {0} threw an exception during launch. \nException={1}", CurrentInstall.Device, Ex.Message);
                            Success = false;
                        }

                        if (Success == false)
                        {
                            Log.Warning("Failed to start build on {0}. Marking as problem device and retrying with new set", CurrentInstall.Device);

                            // terminate anything that's running
                            foreach (UnrealSessionInstance.RoleInstance RunningRole in RunningRoles)
                            {
                                Log.Info("Shutting down {0}", RunningRole.AppInstance.Device);
                                RunningRole.AppInstance.Kill();
                                RunningRole.AppInstance.Device.Disconnect();
                            }

                            // mark that device as a problem
                            MarkProblemDevice(CurrentInstall.Device);

                            // release all devices
                            ReleaseDevices();

                            break;                             // do not continue loop
                        }
                    }

                    if (RunningRoles.Count() == SessionRoles.Count())
                    {
                        SessionInstance = new UnrealSessionInstance(RunningRoles.ToArray());
                    }
                }
            }

            return(SessionInstance);
        }