static ExitCode MainProc(string[] Arguments, StartupTraceListener StartupListener)
{
ExitCode Result = Automation.Process(Arguments, StartupListener);
ShouldKillProcesses = Automation.ShouldKillProcesses;
return(Result);
}
public static int Main(string[] Arguments)
{
// Ensure UTF8Output flag is respected, since we are initializing logging early in the program.
if (CommandUtils.ParseParam(Arguments, "-Utf8output"))
{
Console.OutputEncoding = new System.Text.UTF8Encoding(false, false);
}
// Parse the log level argument
if (CommandUtils.ParseParam(Arguments, "-Verbose"))
{
Log.OutputLevel = LogEventType.Verbose;
}
if (CommandUtils.ParseParam(Arguments, "-VeryVerbose"))
{
Log.OutputLevel = LogEventType.VeryVerbose;
}
// Initialize the log system, buffering the output until we can create the log file
StartupTraceListener StartupListener = new StartupTraceListener();
Trace.Listeners.Add(StartupListener);
// Configure log timestamps
Log.IncludeTimestamps = CommandUtils.ParseParam(Arguments, "-Timestamps");
// Enter the main program section
ExitCode ReturnCode = ExitCode.Success;
try
{
// Set the working directory to the UE4 root
Environment.CurrentDirectory = Path.GetFullPath(Path.Combine(Path.GetDirectoryName(Assembly.GetExecutingAssembly().GetOriginalLocation()), "..", "..", ".."));
// Ensure we can resolve any external assemblies as necessary.
string PathToBinariesDotNET = Path.GetDirectoryName(Assembly.GetEntryAssembly().GetOriginalLocation());
AssemblyUtils.InstallAssemblyResolver(PathToBinariesDotNET);
AssemblyUtils.InstallRecursiveAssemblyResolver(PathToBinariesDotNET);
// Initialize the host platform layer
HostPlatform.Initialize();
// Log the operating environment. Since we usually compile to AnyCPU, we may be executed using different system paths under WOW64.
Log.TraceVerbose("{2}: Running on {0} as a {1}-bit process.", HostPlatform.Current.GetType().Name, Environment.Is64BitProcess ? 64 : 32, DateTime.UtcNow.ToString("o"));
// Log if we're running from the launcher
string ExecutingAssemblyLocation = Assembly.GetExecutingAssembly().Location;
if (string.Compare(ExecutingAssemblyLocation, Assembly.GetEntryAssembly().GetOriginalLocation(), StringComparison.OrdinalIgnoreCase) != 0)
{
Log.TraceVerbose("Executed from AutomationToolLauncher ({0})", ExecutingAssemblyLocation);
}
Log.TraceVerbose("CWD={0}", Environment.CurrentDirectory);
// Hook up exit callbacks
AppDomain Domain = AppDomain.CurrentDomain;
Domain.ProcessExit += Domain_ProcessExit;
Domain.DomainUnload += Domain_ProcessExit;
HostPlatform.Current.SetConsoleCtrlHandler(CtrlHandlerDelegateInstance);
// Log the application version
FileVersionInfo Version = AssemblyUtils.ExecutableVersion;
Log.TraceVerbose("{0} ver. {1}", Version.ProductName, Version.ProductVersion);
// Don't allow simultaneous execution of AT (in the same branch)
ReturnCode = InternalUtils.RunSingleInstance(() => MainProc(Arguments, StartupListener));
}
catch (AutomationException Ex)
{
// Output the message in the desired format
if (Ex.OutputFormat == AutomationExceptionOutputFormat.Silent)
{
Log.TraceLog("{0}", ExceptionUtils.FormatExceptionDetails(Ex));
}
else if (Ex.OutputFormat == AutomationExceptionOutputFormat.Minimal)
{
Log.TraceInformation("{0}", Ex.ToString().Replace("\n", "\n "));
Log.TraceLog("{0}", ExceptionUtils.FormatExceptionDetails(Ex));
}
else
{
Log.WriteException(Ex, LogUtils.FinalLogFileName);
}
// Take the exit code from the exception
ReturnCode = Ex.ErrorCode;
}
catch (Exception Ex)
{
// Use a default exit code
Log.WriteException(Ex, LogUtils.FinalLogFileName);
ReturnCode = ExitCode.Error_Unknown;
}
finally
{
// In all cases, do necessary shut down stuff, but don't let any additional exceptions leak out while trying to shut down.
// Make sure there's no directories on the stack.
NoThrow(() => CommandUtils.ClearDirStack(), "Clear Dir Stack");
// Try to kill process before app domain exits to leave the other KillAll call to extreme edge cases
NoThrow(() => { if (ShouldKillProcesses && !Utils.IsRunningOnMono)
{
ProcessManager.KillAll();
}
}, "Kill All Processes");
// Write the exit code
Log.TraceInformation("AutomationTool exiting with ExitCode={0} ({1})", (int)ReturnCode, ReturnCode);
// Can't use NoThrow here because the code logs exceptions. We're shutting down logging!
Trace.Close();
}
return((int)ReturnCode);
}
/// <summary>
/// Main method.
/// </summary>
/// <param name="Arguments">Command line</param>
public static ExitCode Process(string[] Arguments, StartupTraceListener StartupListener)
{
// Initial check for local or build machine runs BEFORE we parse the command line (We need this value set
// in case something throws the exception while parsing the command line)
IsBuildMachine = !String.IsNullOrEmpty(Environment.GetEnvironmentVariable("uebp_LOCAL_ROOT")) || Arguments.Any(x => x.Equals("-BuildMachine", StringComparison.InvariantCultureIgnoreCase));
// Scan the command line for commands to execute.
var CommandsToExecute = new List <CommandInfo>();
string OutScriptsForProjectFileName;
var AdditionalScriptsFolders = new List <string>();
ParseCommandLine(Arguments, CommandsToExecute, out OutScriptsForProjectFileName, AdditionalScriptsFolders);
// Get the path to the telemetry file, if present
string TelemetryFile = CommandUtils.ParseParamValue(Arguments, "-Telemetry");
Log.TraceVerbose("IsBuildMachine={0}", IsBuildMachine);
Environment.SetEnvironmentVariable("IsBuildMachine", IsBuildMachine ? "1" : "0");
// should we kill processes on exit
ShouldKillProcesses = !GlobalCommandLine.NoKill;
Log.TraceVerbose("ShouldKillProcesses={0}", ShouldKillProcesses);
if (CommandsToExecute.Count == 0 && GlobalCommandLine.Help)
{
DisplayHelp();
return(ExitCode.Success);
}
// Disable AutoSDKs if specified on the command line
if (GlobalCommandLine.NoAutoSDK)
{
PlatformExports.PreventAutoSDKSwitching();
}
// Setup environment
Log.TraceLog("Setting up command environment.");
CommandUtils.InitCommandEnvironment();
// Create the log file, and flush the startup listener to it
TraceListener LogTraceListener = LogUtils.AddLogFileListener(CommandUtils.CmdEnv.LogFolder, CommandUtils.CmdEnv.FinalLogFolder);
StartupListener.CopyTo(LogTraceListener);
Trace.Listeners.Remove(StartupListener);
// Initialize UBT
if (!UnrealBuildTool.PlatformExports.Initialize())
{
Log.TraceInformation("Failed to initialize UBT");
return(ExitCode.Error_Unknown);
}
// Clean rules folders up
ProjectUtils.CleanupFolders();
// Compile scripts.
Compiler = new ScriptCompiler();
using (TelemetryStopwatch ScriptCompileStopwatch = new TelemetryStopwatch("ScriptCompile"))
{
Compiler.FindAndCompileAllScripts(OutScriptsForProjectFileName, AdditionalScriptsFolders);
}
if (GlobalCommandLine.CompileOnly)
{
Log.TraceInformation("Compilation successful, exiting (CompileOnly)");
return(ExitCode.Success);
}
if (GlobalCommandLine.List)
{
ListAvailableCommands(Compiler.Commands);
return(ExitCode.Success);
}
if (GlobalCommandLine.Help)
{
DisplayHelp(CommandsToExecute, Compiler.Commands);
return(ExitCode.Success);
}
// Enable or disable P4 support
CommandUtils.InitP4Support(CommandsToExecute, Compiler.Commands);
if (CommandUtils.P4Enabled)
{
Log.TraceLog("Setting up Perforce environment.");
CommandUtils.InitP4Environment();
CommandUtils.InitDefaultP4Connection();
}
// Find and execute commands.
ExitCode Result = Execute(CommandsToExecute, Compiler.Commands);
if (TelemetryFile != null)
{
Directory.CreateDirectory(Path.GetDirectoryName(TelemetryFile));
CommandUtils.Telemetry.Write(TelemetryFile);
}
return(Result);
}