/** Opens an input file, trying multiple times if necessary. */
FArchive* OpenInputFile()
{
FArchive* InputFile = nullptr;
bool bFirstOpenTry = true;
while(!InputFile && !GIsRequestingExit)
{
// Try to open the input file that we are going to process
if (CommunicationMode == ThroughFile)
{
InputFile = IFileManager::Get().CreateFileReader(*InputFilePath,FILEREAD_Silent);
}
else
{
#if PLATFORM_SUPPORTS_NAMED_PIPES
check(IsUsingNamedPipes()); //UE_LOG(LogShaders, Log, TEXT("Opening Pipe %s\n"), *InputFilePath);
//FPlatformMisc::LowLevelOutputDebugStringf(TEXT("*** Trying to open pipe %s\n"), *InputFilePath);
if (Pipe.Create(InputFilePath, false, false))
{
//FPlatformMisc::LowLevelOutputDebugStringf(TEXT("\tOpened!!!\n"));
// Read the total number of bytes
int32 TransferSize = 0;
VerifyResult(Pipe.ReadInt32(TransferSize));
// Prealloc and read the full buffer
TransferBufferIn.Empty(TransferSize);
TransferBufferIn.AddUninitialized(TransferSize); //UE_LOG(LogShaders, Log, TEXT("Reading Buffer\n"));
VerifyResult(Pipe.ReadBytes(TransferSize, TransferBufferIn.GetData()));
return new FMemoryReader(TransferBufferIn);
}
double DeltaTime = FPlatformTime::Seconds();
if (DeltaTime - LastConnectionTime > 20.0f)
{
// If can't connect for more than 20 seconds, let's exit
FPlatformMisc::RequestExit(false);
}
#endif // PLATFORM_SUPPORTS_NAMED_PIPES
}
if(!InputFile && !bFirstOpenTry)
{
CheckExitConditions();
// Give up CPU time while we are waiting
FPlatformProcess::Sleep(0.01f);
}
bFirstOpenTry = false;
}
return InputFile;
}
/** Opens an input file, trying multiple times if necessary. */
FArchive* OpenInputFile()
{
FArchive* InputFile = nullptr;
bool bFirstOpenTry = true;
while(!InputFile && !GIsRequestingExit)
{
// Try to open the input file that we are going to process
if (CommunicationMode == ThroughFile)
{
InputFile = IFileManager::Get().CreateFileReader(*InputFilePath,FILEREAD_Silent);
}
if(!InputFile && !bFirstOpenTry)
{
CheckExitConditions();
// Give up CPU time while we are waiting
FPlatformProcess::Sleep(0.01f);
}
bFirstOpenTry = false;
}
return InputFile;
}
