/**
* Generates information for crash reporter
*/
void GenerateCrashInfoAndLaunchReporter(const FLinuxCrashContext & Context)
{
// do not report crashes for tools (particularly for crash reporter itself)
#if !IS_PROGRAM
// create a crash-specific directory
FString CrashInfoFolder = FString::Printf(TEXT("crashinfo-%s-pid-%d"), FApp::GetGameName(), getpid());
FString CrashInfoAbsolute = FPaths::ConvertRelativePathToFull(CrashInfoFolder);
if (IFileManager::Get().MakeDirectory(*CrashInfoFolder))
{
// generate "minidump"
Context.GenerateReport(FPaths::Combine(*CrashInfoFolder, TEXT("diagnostics.txt")));
// generate "WER"
GenerateWindowsErrorReport(FPaths::Combine(*CrashInfoFolder, TEXT("wermeta.xml")));
// generate "minidump" (just >1 byte)
GenerateMinidump(FPaths::Combine(*CrashInfoFolder, TEXT("minidump.dmp")));
// copy log
FString LogSrcAbsolute = FPlatformOutputDevices::GetAbsoluteLogFilename();
FString LogDstAbsolute = FPaths::Combine(*CrashInfoAbsolute, *FPaths::GetCleanFilename(LogSrcAbsolute));
FPaths::NormalizeDirectoryName(LogDstAbsolute);
static_cast<void>(IFileManager::Get().Copy(*LogDstAbsolute, *LogSrcAbsolute)); // best effort, so don't care about result: couldn't copy -> tough, no log
// try launching the tool and wait for its exit, if at all
const TCHAR * RelativePathToCrashReporter = TEXT("../../../engine/binaries/linux/crashreportclient"); // FIXME: painfully hard-coded
FProcHandle RunningProc = FPlatformProcess::CreateProc(RelativePathToCrashReporter, *(CrashInfoAbsolute + TEXT("/")), true, false, false, NULL, 0, NULL, NULL);
if (FPlatformProcess::IsProcRunning(RunningProc))
{
// do not wait indefinitely
double kTimeOut = 3 * 60.0;
double StartSeconds = FPlatformTime::Seconds();
for(;;)
{
if (!FPlatformProcess::IsProcRunning(RunningProc))
{
break;
}
if (FPlatformTime::Seconds() - StartSeconds > kTimeOut)
{
break;
}
};
}
}
#endif
FPlatformMisc::RequestExit(true);
}
void FLinuxCrashContext::GenerateCrashInfoAndLaunchReporter(bool bReportingNonCrash) const
{
// do not report crashes for tools (particularly for crash reporter itself)
#if !IS_PROGRAM
// create a crash-specific directory
FString CrashGuid;
if (!FParse::Value(FCommandLine::Get(), TEXT("CrashGUID="), CrashGuid) || CrashGuid.Len() <= 0)
{
CrashGuid = FGuid::NewGuid().ToString();
}
FString CrashInfoFolder = FString::Printf(TEXT("%sinfo-%s-pid-%d-%s"), bReportingNonCrash ? TEXT("ensure") : TEXT("crash"), FApp::GetGameName(), getpid(), *CrashGuid);
FString CrashInfoAbsolute = FPaths::ConvertRelativePathToFull(CrashInfoFolder);
if (IFileManager::Get().MakeDirectory(*CrashInfoFolder))
{
// generate "minidump"
GenerateReport(FPaths::Combine(*CrashInfoFolder, TEXT("Diagnostics.txt")));
// generate "WER"
GenerateWindowsErrorReport(FPaths::Combine(*CrashInfoFolder, TEXT("wermeta.xml")), bReportingNonCrash);
// generate "minidump" (just >1 byte)
GenerateMinidump(FPaths::Combine(*CrashInfoFolder, TEXT("minidump.dmp")));
// Introduces a new runtime crash context. Will replace all Windows related crash reporting.
//FCStringAnsi::Strncpy(FilePath, CrashInfoFolder, PATH_MAX);
//FCStringAnsi::Strcat(FilePath, PATH_MAX, "/" );
//FCStringAnsi::Strcat(FilePath, PATH_MAX, FGenericCrashContext::CrashContextRuntimeXMLNameA );
//SerializeAsXML( FilePath ); @todo uncomment after verification
// copy log
FString LogSrcAbsolute = FPlatformOutputDevices::GetAbsoluteLogFilename();
FString LogDstAbsolute = FPaths::Combine(*CrashInfoAbsolute, *FPaths::GetCleanFilename(LogSrcAbsolute));
FPaths::NormalizeDirectoryName(LogDstAbsolute);
static_cast<void>(IFileManager::Get().Copy(*LogDstAbsolute, *LogSrcAbsolute)); // best effort, so don't care about result: couldn't copy -> tough, no log
// try launching the tool and wait for its exit, if at all
const TCHAR * RelativePathToCrashReporter = TEXT("../../../Engine/Binaries/Linux/CrashReportClient"); // FIXME: painfully hard-coded
if (!FPaths::FileExists(RelativePathToCrashReporter))
{
RelativePathToCrashReporter = TEXT("../../../engine/binaries/linux/crashreportclient"); // FIXME: even more painfully hard-coded
}
FString CrashReportClientArguments;
// Suppress the user input dialog if we're running in unattended mode
bool bNoDialog = FApp::IsUnattended() || IsRunningDedicatedServer();
if (bNoDialog)
{
CrashReportClientArguments += TEXT(" -Unattended ");
}
CrashReportClientArguments += CrashInfoAbsolute + TEXT("/");
if (bReportingNonCrash)
{
// If we're reporting non-crash, try to avoid spinning here and instead do that in the tick.
// However, if there was already a crash reporter running (i.e. we hit ensure() too quickly), take a hitch here
if (FPlatformProcess::IsProcRunning(LinuxCrashReporterTracker::CurrentlyRunningCrashReporter))
{
// do not wait indefinitely, allow 45 second hitch (anticipating callstack parsing)
const double kEnsureTimeOut = 45.0;
const double kEnsureSleepInterval = 0.1;
if (!LinuxCrashReporterTracker::WaitForProcWithTimeout(LinuxCrashReporterTracker::CurrentlyRunningCrashReporter, kEnsureTimeOut, kEnsureSleepInterval))
{
FPlatformProcess::TerminateProc(LinuxCrashReporterTracker::CurrentlyRunningCrashReporter);
}
LinuxCrashReporterTracker::Tick(0.001f); // tick one more time to make it clean up after itself
}
LinuxCrashReporterTracker::CurrentlyRunningCrashReporter = FPlatformProcess::CreateProc(RelativePathToCrashReporter, *CrashReportClientArguments, true, false, false, NULL, 0, NULL, NULL);
LinuxCrashReporterTracker::CurrentTicker = FTicker::GetCoreTicker().AddTicker(FTickerDelegate::CreateStatic(&LinuxCrashReporterTracker::Tick), 1.f);
}
else
{
// spin here until CrashReporter exits
FProcHandle RunningProc = FPlatformProcess::CreateProc(RelativePathToCrashReporter, *CrashReportClientArguments, true, false, false, NULL, 0, NULL, NULL);
// do not wait indefinitely - can be more generous about the hitch than in ensure() case
const double kCrashTimeOut = 3 * 60.0;
const double kCrashSleepInterval = 1.0;
if (!LinuxCrashReporterTracker::WaitForProcWithTimeout(RunningProc, kCrashTimeOut, kCrashSleepInterval))
{
FPlatformProcess::TerminateProc(RunningProc);
}
FPlatformProcess::CloseProc(RunningProc);
}
}
#endif
if (!bReportingNonCrash)
{
// remove the handler for this signal and re-raise it (which should generate the proper core dump)
// print message to stdout directly, it may be too late for the log (doesn't seem to be printed during a crash in the thread)
printf("Engine crash handling finished; re-raising signal %d for the default handler. Good bye.\n", Signal);
fflush(stdout);
struct sigaction ResetToDefaultAction;
FMemory::Memzero(ResetToDefaultAction);
ResetToDefaultAction.sa_handler = SIG_DFL;
sigfillset(&ResetToDefaultAction.sa_mask);
sigaction(Signal, &ResetToDefaultAction, nullptr);
raise(Signal);
}
}
/**
* Generates information for crash reporter
*/
void DLLEXPORT GenerateCrashInfoAndLaunchReporter(const FLinuxCrashContext & Context)
{
// do not report crashes for tools (particularly for crash reporter itself)
#if !IS_PROGRAM
// create a crash-specific directory
FString CrashInfoFolder = FString::Printf(TEXT("crashinfo-%s-pid-%d-%s-%s"), FApp::GetGameName(), getpid(),
*FDateTime::Now().ToString(), *FGuid::NewGuid().ToString());
FString CrashInfoAbsolute = FPaths::ConvertRelativePathToFull(CrashInfoFolder);
if (IFileManager::Get().MakeDirectory(*CrashInfoFolder))
{
// generate "minidump"
Context.GenerateReport(FPaths::Combine(*CrashInfoFolder, TEXT("diagnostics.txt")));
// generate "WER"
GenerateWindowsErrorReport(FPaths::Combine(*CrashInfoFolder, TEXT("wermeta.xml")));
// generate "minidump" (just >1 byte)
GenerateMinidump(FPaths::Combine(*CrashInfoFolder, TEXT("minidump.dmp")));
// Introduces a new runtime crash context. Will replace all Windows related crash reporting.
//FCStringAnsi::Strncpy(FilePath, CrashInfoFolder, PATH_MAX);
//FCStringAnsi::Strcat(FilePath, PATH_MAX, "/" );
//FCStringAnsi::Strcat(FilePath, PATH_MAX, FGenericCrashContext::CrashContextRuntimeXMLNameA );
//SerializeAsXML( FilePath ); @todo uncomment after verification
// copy log
FString LogSrcAbsolute = FPlatformOutputDevices::GetAbsoluteLogFilename();
FString LogDstAbsolute = FPaths::Combine(*CrashInfoAbsolute, *FPaths::GetCleanFilename(LogSrcAbsolute));
FPaths::NormalizeDirectoryName(LogDstAbsolute);
static_cast<void>(IFileManager::Get().Copy(*LogDstAbsolute, *LogSrcAbsolute)); // best effort, so don't care about result: couldn't copy -> tough, no log
// try launching the tool and wait for its exit, if at all
const TCHAR * RelativePathToCrashReporter = TEXT("../../../Engine/Binaries/Linux/CrashReportClient"); // FIXME: painfully hard-coded
if (!FPaths::FileExists(RelativePathToCrashReporter))
{
RelativePathToCrashReporter = TEXT("../../../engine/binaries/linux/crashreportclient"); // FIXME: even more painfully hard-coded
}
// show on the console
printf("Starting %s\n", StringCast<ANSICHAR>(RelativePathToCrashReporter).Get());
FProcHandle RunningProc = FPlatformProcess::CreateProc(RelativePathToCrashReporter, *(CrashInfoAbsolute + TEXT("/")), true, false, false, NULL, 0, NULL, NULL);
if (FPlatformProcess::IsProcRunning(RunningProc))
{
// do not wait indefinitely
double kTimeOut = 3 * 60.0;
double StartSeconds = FPlatformTime::Seconds();
for(;;)
{
if (!FPlatformProcess::IsProcRunning(RunningProc))
{
break;
}
if (FPlatformTime::Seconds() - StartSeconds > kTimeOut)
{
break;
}
FPlatformProcess::Sleep(1.0f);
};
}
}
#endif
FPlatformMisc::RequestExit(true);
}