void FPackageDependencyInfo::PrepContentPackageTimeStamps()
{
TArray<FString> ContentDirectories;
{
TArray<FString> RootContentPaths;
FPackageName::QueryRootContentPaths( RootContentPaths );
for( TArray<FString>::TConstIterator RootPathIt( RootContentPaths ); RootPathIt; ++RootPathIt )
{
const FString& RootPath = *RootPathIt;
const FString& ContentFolder = FPackageName::LongPackageNameToFilename( RootPath );
ContentDirectories.Add( ContentFolder );
}
}
// use the timestamp grabbing visitor (include directories)
TArray<FString> DirectoriesWildcards;
TArray<FString> DirectoriesToIgnore;
TArray<FString> DirectoriesToNotRecurse;
for (int DirIdx = 0; DirIdx < ContentDirectories.Num(); DirIdx++)
{
FPackageDependencyTimestampVisitor TimeStampVisitor(FPlatformFileManager::Get().GetPlatformFile(), DirectoriesWildcards, DirectoriesToIgnore, DirectoriesToNotRecurse, false);
TimeStampVisitor.Visit(*ContentDirectories[DirIdx], true);
for (TMap<FString, FDateTime>::TIterator It(TimeStampVisitor.FileTimes); It; ++It)
{
FString ContentFilename = It.Key();
if ( FPackageName::IsPackageExtension(*FPaths::GetExtension(ContentFilename, true)) )
{
FDateTime ContentTimestamp = It.Value();
ContentFilename = FPaths::GetBaseFilename(ContentFilename, false);
// Add it to the pkg info mapping
FPackageDependencyTrackingInfo* NewInfo = new FPackageDependencyTrackingInfo(ContentFilename, ContentTimestamp);
PackageInformation.Add(ContentFilename, NewInfo);
}
}
}
}
bool FPackageName::SearchForPackageOnDisk(const FString& PackageName, FString* OutLongPackageName, FString* OutFilename, bool bUseLocalizedNames)
{
bool bResult = false;
double StartTime = FPlatformTime::Seconds();
if (FPackageName::IsShortPackageName(PackageName) == false)
{
// If this is long package name, revert to using DoesPackageExist because it's a lot faster.
FString Filename;
if (DoesPackageExist(PackageName, NULL, &Filename))
{
if (OutLongPackageName)
{
*OutLongPackageName = PackageName;
}
if (OutFilename)
{
*OutFilename = Filename;
}
bResult = true;
}
}
else
{
// Attempt to find package by its short name by searching in the known content paths.
TArray<FString> Paths;
{
TArray<FString> RootContentPaths;
FPackageName::QueryRootContentPaths( RootContentPaths );
for( TArray<FString>::TConstIterator RootPathIt( RootContentPaths ); RootPathIt; ++RootPathIt )
{
const FString& RootPath = *RootPathIt;
const FString& ContentFolder = FPackageName::LongPackageNameToFilename( RootPath );
Paths.Add( ContentFolder );
}
}
const FString PackageWildcard = (PackageName.Find(TEXT(".")) != INDEX_NONE ? PackageName : PackageName + TEXT(".*"));
TArray<FString> Results;
for (int32 PathIndex = 0; PathIndex < Paths.Num() && !bResult; ++PathIndex)
{
// Search directly on disk. Very slow!
IFileManager::Get().FindFilesRecursive(Results, *Paths[PathIndex], *PackageWildcard, true, false);
for (int32 FileIndex = 0; FileIndex < Results.Num(); ++FileIndex)
{
FString Filename(Results[FileIndex]);
if (IsPackageFilename(Results[FileIndex]))
{
// Convert to long package name.
FString LongPackageName;
if (TryConvertFilenameToLongPackageName(Filename, LongPackageName))
{
if (OutLongPackageName)
{
if (bResult)
{
UE_LOG(LogPackageName, Warning, TEXT("Found ambiguous long package name for '%s'. Returning '%s', but could also be '%s'."), *PackageName, **OutLongPackageName, *LongPackageName );
}
else
{
*OutLongPackageName = LongPackageName;
}
}
if (OutFilename)
{
FPaths::MakeStandardFilename(Filename);
if (bResult)
{
UE_LOG(LogPackageName, Warning, TEXT("Found ambiguous file name for '%s'. Returning '%s', but could also be '%s'."), *PackageName, **OutFilename, *Filename);
}
else
{
*OutFilename = Filename;
}
}
bResult = true;
}
}
}
}
}
float ThisTime = FPlatformTime::Seconds() - StartTime;
UE_LOG(LogPackageName, Log, TEXT("SearchForPackageOnDisk took %7.3fs to resolve %s"), ThisTime, *PackageName);
return bResult;
}
void FNetworkPlatformFile::InitializeAfterSetActive()
{
double NetworkFileStartupTime = 0.0;
{
SCOPE_SECONDS_COUNTER(NetworkFileStartupTime);
// send the filenames and timestamps to the server
FNetworkFileArchive Payload(NFS_Messages::GetFileList);
FillGetFileList(Payload, false);
// send the directories over, and wait for a response
FArrayReader Response;
if (!SendPayloadAndReceiveResponse(Payload, Response))
{
delete Transport;
return;
}
else
{
// receive the cooked version information
int32 ServerPackageVersion = 0;
int32 ServerPackageLicenseeVersion = 0;
ProcessServerInitialResponse(Response, ServerPackageVersion, ServerPackageLicenseeVersion);
// receive a list of the cache files and their timestamps
TMap<FString, FDateTime> ServerCachedFiles;
Response << ServerCachedFiles;
bool bDeleteAllFiles = true;
// Check the stored cooked version
FString CookedVersionFile = FPaths::GeneratedConfigDir() / TEXT("CookedVersion.txt");
if (InnerPlatformFile->FileExists(*CookedVersionFile) == true)
{
IFileHandle* FileHandle = InnerPlatformFile->OpenRead(*CookedVersionFile);
if (FileHandle != NULL)
{
int32 StoredPackageCookedVersion;
int32 StoredPackageCookedLicenseeVersion;
if (FileHandle->Read((uint8*)&StoredPackageCookedVersion, sizeof(int32)) == true)
{
if (FileHandle->Read((uint8*)&StoredPackageCookedLicenseeVersion, sizeof(int32)) == true)
{
if ((ServerPackageVersion == StoredPackageCookedVersion) &&
(ServerPackageLicenseeVersion == StoredPackageCookedLicenseeVersion))
{
bDeleteAllFiles = false;
}
else
{
UE_LOG(LogNetworkPlatformFile, Display,
TEXT("Engine version mismatch: Server %d.%d, Stored %d.%d\n"),
ServerPackageVersion, ServerPackageLicenseeVersion,
StoredPackageCookedVersion, StoredPackageCookedLicenseeVersion);
}
}
}
delete FileHandle;
}
}
else
{
UE_LOG(LogNetworkPlatformFile, Display, TEXT("Cooked version file missing: %s\n"), *CookedVersionFile);
}
if (bDeleteAllFiles == true)
{
// Make sure the config file exists...
InnerPlatformFile->CreateDirectoryTree(*(FPaths::GeneratedConfigDir()));
// Update the cooked version file
IFileHandle* FileHandle = InnerPlatformFile->OpenWrite(*CookedVersionFile);
if (FileHandle != NULL)
{
FileHandle->Write((const uint8*)&ServerPackageVersion, sizeof(int32));
FileHandle->Write((const uint8*)&ServerPackageLicenseeVersion, sizeof(int32));
delete FileHandle;
}
}
// list of directories to skip
TArray<FString> DirectoriesToSkip;
TArray<FString> DirectoriesToNotRecurse;
// use the timestamp grabbing visitor to get all the content times
FLocalTimestampDirectoryVisitor Visitor(*InnerPlatformFile, DirectoriesToSkip, DirectoriesToNotRecurse, false);
TArray<FString> RootContentPaths;
FPackageName::QueryRootContentPaths( RootContentPaths );
for( TArray<FString>::TConstIterator RootPathIt( RootContentPaths ); RootPathIt; ++RootPathIt )
{
const FString& RootPath = *RootPathIt;
const FString& ContentFolder = FPackageName::LongPackageNameToFilename(RootPath);
InnerPlatformFile->IterateDirectory( *ContentFolder, Visitor);
}
// delete out of date files using the server cached files
for (TMap<FString, FDateTime>::TIterator It(ServerCachedFiles); It; ++It)
{
bool bDeleteFile = bDeleteAllFiles;
FString ServerFile = It.Key();
// Convert the filename to the client version
ConvertServerFilenameToClientFilename(ServerFile);
// Set it in the visitor file times list
Visitor.FileTimes.Add(ServerFile, FDateTime::MinValue());
if (bDeleteFile == false)
{
// Check the time stamps...
// get local time
FDateTime LocalTime = InnerPlatformFile->GetTimeStamp(*ServerFile);
// If local time == MinValue than the file does not exist in the cache.
if (LocalTime != FDateTime::MinValue())
{
FDateTime ServerTime = It.Value();
// delete if out of date
// We will use 1.0 second as the tolerance to cover any platform differences in resolution
FTimespan TimeDiff = LocalTime - ServerTime;
double TimeDiffInSeconds = TimeDiff.GetTotalSeconds();
bDeleteFile = (TimeDiffInSeconds > 1.0) || (TimeDiffInSeconds < -1.0);
if (bDeleteFile == true)
{
if (InnerPlatformFile->FileExists(*ServerFile) == true)
{
UE_LOG(LogNetworkPlatformFile, Display, TEXT("Deleting cached file: TimeDiff %5.3f, %s"), TimeDiffInSeconds, *It.Key());
}
else
{
// It's a directory
bDeleteFile = false;
}
}
}
}
if (bDeleteFile == true)
{
InnerPlatformFile->DeleteFile(*ServerFile);
}
}
// Any content files we have locally that were not cached, delete them
for (TMap<FString, FDateTime>::TIterator It(Visitor.FileTimes); It; ++It)
{
if (It.Value() != FDateTime::MinValue())
{
// This was *not* found in the server file list... delete it
UE_LOG(LogNetworkPlatformFile, Display, TEXT("Deleting cached file: %s"), *It.Key());
InnerPlatformFile->DeleteFile(*It.Key());
}
}
// make sure we can sync a file
FString TestSyncFile = FPaths::Combine(*(FPaths::EngineDir()), TEXT("Config/BaseEngine.ini"));
InnerPlatformFile->SetReadOnly(*TestSyncFile, false);
InnerPlatformFile->DeleteFile(*TestSyncFile);
if (InnerPlatformFile->FileExists(*TestSyncFile))
{
UE_LOG(LogNetworkPlatformFile, Fatal, TEXT("Could not delete file sync test file %s."), *TestSyncFile);
}
EnsureFileIsLocal(TestSyncFile);
if (!InnerPlatformFile->FileExists(*TestSyncFile) || InnerPlatformFile->FileSize(*TestSyncFile) < 1)
{
UE_LOG(LogNetworkPlatformFile, Fatal, TEXT("Could not sync test file %s."), *TestSyncFile);
}
}
}
FPlatformMisc::LowLevelOutputDebugStringf(TEXT("Network file startup time: %5.3f seconds\n"), NetworkFileStartupTime);
}