/**
* The actual function to run in a thread. This is potentially long and blocking
*/
private void ThreadFunc()
{
// thread start time
Action.StartTime = DateTimeOffset.Now;
if (Action.ActionHandler != null)
{
// call the function and get the ExitCode and an output string
string Output;
Action.ActionHandler(Action, out ExitCode, out Output);
// Output status description (file name) when no output is returned
if (string.IsNullOrEmpty(Output))
{
if (Action.bShouldOutputStatusDescription)
{
Output = string.Format("[{0}/{1}] {2} {3}", JobNumber, TotalJobs, Action.CommandDescription, Action.StatusDescription);
}
else
{
Output = Action.StatusDescription;
}
}
SendOutputToEventHandler(Action, Output);
}
else
{
// batch files (.bat, .cmd) need to be run via or cmd /c or shellexecute,
// the latter which we can't use because we want to redirect input/output
bool bLaunchViaCmdExe = !Utils.IsRunningOnMono && !Path.GetExtension(Action.CommandPath).ToLower().EndsWith("exe");
// Create the action's process.
ProcessStartInfo ActionStartInfo = new ProcessStartInfo();
ActionStartInfo.WorkingDirectory = ExpandEnvironmentVariables(Action.WorkingDirectory);
string ExpandedCommandPath = ExpandEnvironmentVariables(Action.CommandPath);
if (bLaunchViaCmdExe)
{
ActionStartInfo.FileName = "cmd.exe";
ActionStartInfo.Arguments = string.Format
(
"/c \"{0} {1}\"",
ExpandEnvironmentVariables(ExpandedCommandPath),
ExpandEnvironmentVariables(Action.CommandArguments)
);
}
else
{
ActionStartInfo.FileName = ExpandedCommandPath;
ActionStartInfo.Arguments = ExpandEnvironmentVariables(Action.CommandArguments);
}
ActionStartInfo.UseShellExecute = false;
ActionStartInfo.RedirectStandardInput = false;
ActionStartInfo.RedirectStandardOutput = false;
ActionStartInfo.RedirectStandardError = false;
// Log command-line used to execute task if debug info printing is enabled.
if (BuildConfiguration.bPrintDebugInfo)
{
Log.TraceVerbose("Executing: {0} {1}", ExpandedCommandPath, ActionStartInfo.Arguments);
}
if (Action.bPrintDebugInfo)
{
Log.TraceInformation("Executing: {0} {1}", ExpandedCommandPath, ActionStartInfo.Arguments);
}
// Log summary if wanted.
else if (Action.bShouldOutputStatusDescription)
{
string CommandDescription = Action.CommandDescription != null ? Action.CommandDescription : Path.GetFileName(ExpandedCommandPath);
if (string.IsNullOrEmpty(CommandDescription))
{
Log.TraceInformation(Action.StatusDescription);
}
else
{
Log.TraceInformation("[{0}/{1}] {2} {3}", JobNumber, TotalJobs, CommandDescription, Action.StatusDescription);
}
}
// Try to launch the action's process, and produce a friendly error message if it fails.
Process ActionProcess = null;
try
{
try
{
ActionProcess = new Process();
ActionProcess.StartInfo = ActionStartInfo;
bool bShouldRedirectOuput = Action.OutputEventHandler != null || Action.bPrintDebugInfo;
if (bShouldRedirectOuput)
{
ActionStartInfo.RedirectStandardOutput = true;
ActionStartInfo.RedirectStandardError = true;
ActionProcess.EnableRaisingEvents = true;
if (Action.OutputEventHandler != null)
{
ActionProcess.OutputDataReceived += Action.OutputEventHandler;
ActionProcess.ErrorDataReceived += Action.OutputEventHandler;
}
if (Action.bPrintDebugInfo)
{
ActionProcess.OutputDataReceived += new DataReceivedEventHandler(ActionDebugOutput);
ActionProcess.ErrorDataReceived += new DataReceivedEventHandler(ActionDebugOutput);
}
}
ActionProcess.Start();
if (bShouldRedirectOuput)
{
ActionProcess.BeginOutputReadLine();
ActionProcess.BeginErrorReadLine();
}
}
catch (Exception ex)
{
throw new BuildException(ex, "Failed to start local process for action: {0} {1}\r\n{2}", Action.CommandPath, Action.CommandArguments, ex.ToString());
}
// wait for process to start
// NOTE: this may or may not be necessary; seems to depend on whether the system UBT is running on start the process in a timely manner.
int checkIterations = 0;
bool haveConfiguredProcess = false;
do
{
if (ActionProcess.HasExited)
{
if (haveConfiguredProcess == false)
{
Debug.WriteLine("Process for action exited before able to configure!");
}
break;
}
Thread.Sleep(100);
if (!haveConfiguredProcess)
{
try
{
ActionProcess.PriorityClass = ProcessPriorityClass.BelowNormal;
haveConfiguredProcess = true;
}
catch (Exception)
{
}
break;
}
checkIterations++;
} while(checkIterations < 10);
if (checkIterations == 10)
{
throw new BuildException("Failed to configure local process for action: {0} {1}", Action.CommandPath, Action.CommandArguments);
}
// block until it's complete
// @todo iosmerge: UBT had started looking at: if (Utils.IsValidProcess(Process))
// do we need to check that in the thread model?
while (!ActionProcess.HasExited)
{
Thread.Sleep(10);
}
// capture exit code
ExitCode = ActionProcess.ExitCode;
}
finally
{
// As the process has finished now, free its resources. On non-Windows platforms, processes depend
// on POSIX/BSD threading and these are limited per application. Disposing the Process releases
// these thread resources.
if (ActionProcess != null)
{
ActionProcess.Close();
}
}
}
// track how long it took
Action.EndTime = DateTimeOffset.Now;
// send telemetry
{
// See if the action produced a PCH file (infer from the extension as we no longer have the compile environments used to generate the actions.
var ActionProducedPCH = Action.ProducedItems.Find(fileItem => new[] { ".PCH", ".GCH" }.Contains(Path.GetExtension(fileItem.AbsolutePath).ToUpperInvariant()));
if (ActionProducedPCH != null && File.Exists(ActionProducedPCH.AbsolutePath)) // File may not exist if we're building remotely
{
// If we had a valid match for a PCH item, send an event.
Telemetry.SendEvent("PCHTime.2",
"ExecutorType", "Local",
// Use status description because on VC tool chains it tells us more details about shared PCHs and their source modules.
"Filename", Action.StatusDescription,
// Get the length from the OS instead of the FileItem.Length is really for when the file is used as an input,
// so the stored length is absent for a new for or out of date at best.
"FileSize", new FileInfo(ActionProducedPCH.AbsolutePath).Length.ToString(),
"Duration", Action.Duration.TotalSeconds.ToString("0.00"));
}
}
if (!Utils.IsRunningOnMono)
{
// let RPCUtilHelper clean up anything thread related
RPCUtilHelper.OnThreadComplete();
}
// we are done!!
bComplete = true;
}
public static ExecutionResult ExecuteActions(List <Action> Actions)
{
ExecutionResult XGEResult = ExecutionResult.TasksSucceeded;
if (Actions.Count > 0)
{
// Write the actions to execute to a XGE task file.
string XGETaskFilePath = Path.Combine(BuildConfiguration.BaseIntermediatePath, "XGETasks.xml");
WriteTaskFile(Actions, XGETaskFilePath, ProgressWriter.bWriteMarkup);
if (BuildConfiguration.bXGEExport)
{
SaveXGEFile(XGETaskFilePath);
}
else
{
// Try to execute the XGE tasks, and if XGE is available, skip the local execution fallback.
if (Telemetry.IsAvailable())
{
// Add a custom output handler to determine the build duration for each task and map it back to the action that generated it.
XGEResult = XGE.ExecuteTaskFileWithProgressMarkup(XGETaskFilePath, Actions.Count, (sender, args) =>
{
// sometimes the args comes in as null
var match = XGEDurationRegex.Match(args.Data ?? "");
// This is considered fragile and risky parsing of undocumented XGE output, so protect this code from taking down UBT
try
{
// Use LINQ to evaluate the terms so we don't end up with a
// huge nested conditional expression just to verify the input.
foreach (var PCHEvent in
// first, convert the input line into an enumerable
from RegexMatch in new[] { match }
where RegexMatch.Success
let Filename = RegexMatch.Groups["Filename"].Value
// find the mapped action. (On PS4 at least, XGE appears to use the full filenane, so we need to strip it back down.
let Action = Actions.Find(a => a.StatusDescription == Path.GetFileName(Filename) && a.ActionType == ActionType.Compile)
// We should ALWAYS find the action, so maybe this should throw if we can't
where Action != null
// see if the mapped action produces a PCH file
// (there is currently no compile environment left around by which to tell absolutely, so we infer by the extension. Ugh).
let ActionProducedPCH = Action.ProducedItems.Find(fileItem => new[] { ".PCH", ".GCH" }.Contains(Path.GetExtension(fileItem.AbsolutePath).ToUpperInvariant()))
where ActionProducedPCH != null
// we found a valid PCH action and output file, so parse the duration and send an event.
let durationMatchStr = RegexMatch.Groups["Duration"].Value
// if there's no hour designator, add one so .NET can parse the time.
let durationStr = durationMatchStr.Count(c => c == ':') == 1 ? "0:" + durationMatchStr : durationMatchStr
let duration = TimeSpan.Parse(durationStr)
select new
{
// actually use the filename here because it is coerced to be PCH.MODULE.HEADER.cpp.
// This allows us an easy way to determine shared status (or source module) and the real header source.
FileName = Filename, //Path.GetFileName(ActionProducedPCH.AbsolutePath),
// Get the length from the OS as the FileItem.Length is really for when the file is used as an input,
// so the stored length is absent for a new for or out of date at best.
GeneratedFileLength = new FileInfo(ActionProducedPCH.AbsolutePath).Length,
GeneratedFileDuration = duration,
})
{
// If we had a valid match for a PCH item, send an event.
Telemetry.SendEvent("PCHTime.2",
"ExecutorType", "XGE",
"Filename", PCHEvent.FileName,
"FileSize", PCHEvent.GeneratedFileLength.ToString(),
"Duration", PCHEvent.GeneratedFileDuration.TotalSeconds.ToString("0.00"));
}
}
catch (Exception ex)
{
// report that something went wrong so we can diagnose.
Telemetry.SendEvent("PCHTimeError.2",
"OutputLine", args.Data,
"Exception", ex.ToString());
}
// XGE outputs the duration info in a format that makes VC think it's an error file/line notation if the full filename is used.
// So munge it a bit so we don't confuse VC.
var updatedData = match.Success ? args.Data.Replace('(', '[').Replace(')', ']') : args.Data;
// forward the output on to the normal handler or the console like normal
if (Actions[0].OutputEventHandler != null)
{
DataReceivedEventArgs EventArgs = ConstructDataReceivedEventArgs(updatedData);
Actions[0].OutputEventHandler(sender, EventArgs);
}
else
{
Console.WriteLine(updatedData);
}
});
}
else
{
XGEResult = XGE.ExecuteTaskFileWithProgressMarkup(XGETaskFilePath, Actions.Count, (Sender, Args) =>
{
if (Actions[0].OutputEventHandler != null)
{
Actions[0].OutputEventHandler(Sender, Args);
}
else
{
Console.WriteLine(Args.Data);
}
});
}
}
}
return(XGEResult);
}
