Files
UnrealEngineUWP/Engine/Source/Runtime/StorageServerClient/Private/StorageServerPlatformFile.cpp
daniele pieroni 4d9ee5e418 Adding an error msg in case we find but fail to deserialize ue.projectstore
#rb Josie.Yang

[CL 32696907 by daniele pieroni in ue5-main branch]
2024-04-03 10:02:35 -04:00

964 lines
30 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#include "StorageServerPlatformFile.h"
#include "Algo/Replace.h"
#include "CookOnTheFly.h"
#include "CookOnTheFlyPackageStore.h"
#include "HAL/FileManagerGeneric.h"
#include "HAL/IPlatformFileModule.h"
#include "Misc/App.h"
#include "Misc/CommandLine.h"
#include "Misc/CoreDelegates.h"
#include "Misc/FileHelper.h"
#include "Misc/Paths.h"
#include "Misc/ScopeRWLock.h"
#include "Misc/StringBuilder.h"
#include "Modules/ModuleManager.h"
#include "Modules/ModuleManager.h"
#include "Serialization/CompactBinarySerialization.h"
#include "Serialization/JsonReader.h"
#include "Serialization/JsonSerializer.h"
#include "StorageServerConnection.h"
#include "StorageServerIoDispatcherBackend.h"
#include "StorageServerPackageStore.h"
DEFINE_LOG_CATEGORY_STATIC(LogStorageServerPlatformFile, Log, All);
#if !UE_BUILD_SHIPPING
FStorageServerFileSystemTOC::~FStorageServerFileSystemTOC()
{
FWriteScopeLock _(TocLock);
for (auto& KV : Directories)
{
delete KV.Value;
}
}
FStorageServerFileSystemTOC::FDirectory* FStorageServerFileSystemTOC::AddDirectoriesRecursive(const FString& DirectoryPath)
{
FDirectory* Directory = new FDirectory();
Directories.Add(DirectoryPath, Directory);
FString ParentDirectoryPath = FPaths::GetPath(DirectoryPath);
FDirectory* ParentDirectory;
if (ParentDirectoryPath.IsEmpty())
{
ParentDirectory = &Root;
}
else
{
ParentDirectory = Directories.FindRef(ParentDirectoryPath);
if (!ParentDirectory)
{
ParentDirectory = AddDirectoriesRecursive(ParentDirectoryPath);
}
}
ParentDirectory->Directories.Add(DirectoryPath);
return Directory;
}
void FStorageServerFileSystemTOC::AddFile(const FIoChunkId& FileChunkId, FStringView PathView)
{
FWriteScopeLock _(TocLock);
const int32 FileIndex = Files.Num();
FFile& NewFile = Files.AddDefaulted_GetRef();
NewFile.FileChunkId = FileChunkId;
NewFile.FilePath = PathView;
FilePathToIndexMap.Add(NewFile.FilePath, FileIndex);
FString DirectoryPath = FPaths::GetPath(NewFile.FilePath);
FDirectory* Directory = Directories.FindRef(DirectoryPath);
if (!Directory)
{
Directory = AddDirectoriesRecursive(DirectoryPath);
}
Directory->Files.Add(FileIndex);
}
bool FStorageServerFileSystemTOC::FileExists(const FString& Path)
{
FReadScopeLock _(TocLock);
return FilePathToIndexMap.Contains(Path);
}
bool FStorageServerFileSystemTOC::DirectoryExists(const FString& Path)
{
FReadScopeLock _(TocLock);
return Directories.Contains(Path);
}
const FIoChunkId* FStorageServerFileSystemTOC::GetFileChunkId(const FString& Path)
{
FReadScopeLock _(TocLock);
if (const int32* FileIndex = FilePathToIndexMap.Find(Path))
{
return &Files[*FileIndex].FileChunkId;
}
return nullptr;
}
bool FStorageServerFileSystemTOC::IterateDirectory(const FString& Path, TFunctionRef<bool(const FIoChunkId&, const TCHAR*)> Callback)
{
UE_LOG(LogStorageServerPlatformFile, Verbose, TEXT("IterateDirectory '%s'"), *Path);
FReadScopeLock _(TocLock);
FDirectory* Directory = Directories.FindRef(Path);
if (!Directory)
{
return false;
}
for (int32 FileIndex : Directory->Files)
{
const FFile& File = Files[FileIndex];
if (!Callback(File.FileChunkId, *File.FilePath))
{
return false;
}
}
for (const FString& ChildDirectoryPath : Directory->Directories)
{
if (!Callback(FIoChunkId(), *ChildDirectoryPath))
{
return false;
}
}
return true;
}
class FStorageServerFileHandle
: public IFileHandle
{
enum
{
BufferSize = 64 << 10
};
FStorageServerPlatformFile& Owner;
FIoChunkId FileChunkId;
FString Filename;
int64 FilePos = 0;
int64 FileSize = -1;
int64 BufferStart = -1;
int64 BufferEnd = -1;
uint8 Buffer[BufferSize];
public:
FStorageServerFileHandle(FStorageServerPlatformFile& InOwner, FIoChunkId InFileChunkId, const TCHAR* InFilename)
: Owner(InOwner)
, FileChunkId(InFileChunkId)
, Filename(InFilename)
{
}
~FStorageServerFileHandle()
{
}
virtual int64 Size() override
{
if (FileSize < 0)
{
const FFileStatData FileStatData = Owner.SendGetStatDataMessage(FileChunkId);
if (FileStatData.bIsValid)
{
FileSize = FileStatData.FileSize;
}
else
{
UE_LOG(LogStorageServerPlatformFile, Warning, TEXT("Failed to obtain size of file '%s'"), *Filename);
FileSize = 0;
}
}
return FileSize;
}
virtual int64 Tell() override
{
return FilePos;
}
virtual bool Seek(int64 NewPosition) override
{
FilePos = NewPosition;
return true;
}
virtual bool SeekFromEnd(int64 NewPositionRelativeToEnd = 0) override
{
return Seek(Size() + NewPositionRelativeToEnd);
}
virtual bool Read(uint8* Destination, int64 BytesToRead) override
{
if (BytesToRead == 0)
{
return true;
}
if (BytesToRead > BufferSize)
{
const int64 BytesRead = Owner.SendReadMessage(Destination, FileChunkId, FilePos, BytesToRead);
if (BytesRead == BytesToRead)
{
FilePos += BytesRead;
return true;
}
return false;
}
int64 BytesReadFromBuffer = 0;
if (FilePos >= BufferStart && FilePos < BufferEnd)
{
const int64 BufferOffset = FilePos - BufferStart;
check(BufferOffset < BufferSize);
BytesReadFromBuffer = FMath::Min(BufferSize - BufferOffset, BytesToRead);
FMemory::Memcpy(Destination, Buffer + BufferOffset, BytesReadFromBuffer);
if (BytesReadFromBuffer == BytesToRead)
{
FilePos += BytesReadFromBuffer;
return true;
}
}
const int64 BytesRead = Owner.SendReadMessage(Buffer, FileChunkId, FilePos + BytesReadFromBuffer, BufferSize);
BufferStart = FilePos + BytesReadFromBuffer;
BufferEnd = BufferStart + BytesRead;
const int64 BytesToReadFromBuffer = FMath::Min(BytesRead, BytesToRead - BytesReadFromBuffer);
FMemory::Memcpy(Destination + BytesReadFromBuffer, Buffer, BytesToReadFromBuffer);
BytesReadFromBuffer += BytesToReadFromBuffer;
if (BytesReadFromBuffer == BytesToRead)
{
FilePos += BytesReadFromBuffer;
return true;
}
return false;
}
virtual bool Write(const uint8* Source, int64 BytesToWrite) override
{
check(false);
return false;
}
virtual bool Flush(const bool bFullFlush = false) override
{
return false;
}
virtual bool Truncate(int64 NewSize) override
{
return false;
}
};
FStorageServerPlatformFile::FStorageServerPlatformFile()
{
}
FStorageServerPlatformFile::~FStorageServerPlatformFile()
{
}
TUniquePtr<FArchive> FStorageServerPlatformFile::TryFindProjectStoreMarkerFile(IPlatformFile* Inner) const
{
if (Inner == nullptr)
{
return nullptr;
}
FString RelativeStagedPath = TEXT("../../../");
FString RootPath = FPaths::RootDir();
FString PlatformName = FPlatformProperties::PlatformName();
FString CookedOutputPath = FPaths::Combine(FPaths::ProjectDir(), TEXT("Saved"), TEXT("Cooked"), PlatformName);
TArray<FString> PotentialProjectStorePaths;
PotentialProjectStorePaths.Add(RelativeStagedPath);
PotentialProjectStorePaths.Add(CookedOutputPath);
PotentialProjectStorePaths.Add(RootPath);
for (const FString& ProjectStorePath : PotentialProjectStorePaths)
{
FString ProjectMarkerPath = ProjectStorePath / TEXT("ue.projectstore");
if (IFileHandle* ProjectStoreMarkerHandle = Inner->OpenRead(*ProjectMarkerPath); ProjectStoreMarkerHandle != nullptr)
{
UE_LOG(LogStorageServerPlatformFile, Display, TEXT("Found '%s'"), *ProjectMarkerPath);
return TUniquePtr<FArchive>(new FArchiveFileReaderGeneric(ProjectStoreMarkerHandle, *ProjectMarkerPath, ProjectStoreMarkerHandle->Size()));
}
}
return nullptr;
}
bool FStorageServerPlatformFile::ShouldBeUsed(IPlatformFile* Inner, const TCHAR* CmdLine) const
{
#if WITH_COTF
UE::Cook::ICookOnTheFlyModule& CookOnTheFlyModule = FModuleManager::LoadModuleChecked<UE::Cook::ICookOnTheFlyModule>(TEXT("CookOnTheFly"));
TSharedPtr<UE::Cook::ICookOnTheFlyServerConnection> DefaultConnection = CookOnTheFlyModule.GetDefaultServerConnection();
if (DefaultConnection.IsValid() && !DefaultConnection->GetZenProjectName().IsEmpty())
{
HostAddrs.Append(DefaultConnection->GetZenHostNames());
HostPort = DefaultConnection->GetZenHostPort();
return true;
}
#endif
TUniquePtr<FArchive> ProjectStoreMarkerReader = TryFindProjectStoreMarkerFile(Inner);
if (ProjectStoreMarkerReader != nullptr)
{
TSharedPtr<FJsonObject> ProjectStoreObject;
TSharedRef<TJsonReader<UTF8CHAR>> Reader = TJsonReaderFactory<UTF8CHAR>::Create(ProjectStoreMarkerReader.Get());
if (FJsonSerializer::Deserialize(Reader, ProjectStoreObject) && ProjectStoreObject.IsValid())
{
const TSharedPtr<FJsonObject>* ZenServerObjectPtr = nullptr;
if (ProjectStoreObject->TryGetObjectField(TEXT("zenserver"), ZenServerObjectPtr) && (ZenServerObjectPtr != nullptr))
{
const TSharedPtr<FJsonObject>& ZenServerObject = *ZenServerObjectPtr;
#if PLATFORM_DESKTOP
FString HostName;
if (ZenServerObject->TryGetStringField(TEXT("hostname"), HostName) && !HostName.IsEmpty())
{
HostAddrs.Add(HostName);
}
#endif
const TArray<TSharedPtr<FJsonValue>>* RemoteHostNamesArrayPtr = nullptr;
if (ZenServerObject->TryGetArrayField(TEXT("remotehostnames"), RemoteHostNamesArrayPtr) && (RemoteHostNamesArrayPtr != nullptr))
{
for (TSharedPtr<FJsonValue> RemoteHostName : *RemoteHostNamesArrayPtr)
{
if (FString RemoteHostNameStr = RemoteHostName->AsString(); !RemoteHostNameStr.IsEmpty())
{
HostAddrs.Add(RemoteHostNameStr);
}
}
}
uint16 SerializedHostPort = 0;
if (ZenServerObject->TryGetNumberField(TEXT("hostport"), SerializedHostPort) && (SerializedHostPort != 0))
{
HostPort = SerializedHostPort;
}
UE_LOG(LogStorageServerPlatformFile, Display, TEXT("Using connection settings from ue.projectstore: HostAddrs='%s' and HostPort='%d'"), *FString::Join(HostAddrs, TEXT("+")), HostPort);
}
}
else
{
UE_LOG(LogStorageServerPlatformFile, Error, TEXT("Failed to Deserialize ue.projectstore!'"));
}
}
FString Host;
if (FParse::Value(FCommandLine::Get(), TEXT("-ZenStoreHost="), Host))
{
UE_LOG(LogStorageServerPlatformFile, Display, TEXT("Adding connection settings from command line: -ZenStoreHost='%s'"), *Host);
if (!Host.ParseIntoArray(HostAddrs, TEXT("+"), true))
{
HostAddrs.Add(Host);
}
}
if (FParse::Value(CmdLine, TEXT("-ZenStorePort="), HostPort))
{
UE_LOG(LogStorageServerPlatformFile, Display, TEXT("Using connection settings from command line: -ZenStorePort='%d'"), HostPort);
}
return HostAddrs.Num() > 0;
}
bool FStorageServerPlatformFile::Initialize(IPlatformFile* Inner, const TCHAR* CmdLine)
{
LowerLevel = Inner;
if (HostAddrs.Num() > 0)
{
// Don't initialize the connection yet because we want to incorporate project file path information into the initialization.
TUniquePtr<FArchive> ProjectStoreMarkerReader = TryFindProjectStoreMarkerFile(Inner);
if (ProjectStoreMarkerReader != nullptr)
{
TSharedPtr<FJsonObject> ProjectStoreObject;
TSharedRef<TJsonReader<UTF8CHAR>> Reader = TJsonReaderFactory<UTF8CHAR>::Create(ProjectStoreMarkerReader.Get());
if (FJsonSerializer::Deserialize(Reader, ProjectStoreObject) && ProjectStoreObject.IsValid())
{
const TSharedPtr<FJsonObject>* ZenServerObjectPtr = nullptr;
if (ProjectStoreObject->TryGetObjectField(TEXT("zenserver"), ZenServerObjectPtr) && (ZenServerObjectPtr != nullptr))
{
const TSharedPtr<FJsonObject>& ZenServerObject = *ZenServerObjectPtr;
ServerProject = ZenServerObject->GetStringField(TEXT("projectid"));
ServerPlatform = ZenServerObject->GetStringField(TEXT("oplogid"));
UE_LOG(LogStorageServerPlatformFile, Display, TEXT("Using settings from ue.projectstore: ServerProject='%s' and ServerPlatform='%s'"), *ServerProject, *ServerPlatform);
}
}
}
if (FParse::Value(CmdLine, TEXT("-ZenStoreProject="), ServerProject))
{
UE_LOG(LogStorageServerPlatformFile, Display, TEXT("Using settings from command line: -ZenStoreProject='%s'"), *ServerProject);
}
if (FParse::Value(CmdLine, TEXT("-ZenStorePlatform="), ServerPlatform))
{
UE_LOG(LogStorageServerPlatformFile, Display, TEXT("Using settings from command line: -ZenStorePlatform='%s'"), *ServerPlatform);
}
return true;
}
return false;
}
void FStorageServerPlatformFile::InitializeAfterProjectFilePath()
{
#if WITH_COTF
UE::Cook::ICookOnTheFlyModule& CookOnTheFlyModule = FModuleManager::LoadModuleChecked<UE::Cook::ICookOnTheFlyModule>(TEXT("CookOnTheFly"));
CookOnTheFlyServerConnection = CookOnTheFlyModule.GetDefaultServerConnection();
if (CookOnTheFlyServerConnection)
{
CookOnTheFlyServerConnection->OnMessage().AddRaw(this, &FStorageServerPlatformFile::OnCookOnTheFlyMessage);
ServerProject = CookOnTheFlyServerConnection->GetZenProjectName();
ServerPlatform = CookOnTheFlyServerConnection->GetPlatformName();
}
#endif
Connection.Reset(new FStorageServerConnection());
const TCHAR* ProjectOverride = ServerProject.IsEmpty() ? nullptr : *ServerProject;
const TCHAR* PlatformOverride = ServerPlatform.IsEmpty() ? nullptr : *ServerPlatform;
if (Connection->Initialize(HostAddrs, HostPort, ProjectOverride, PlatformOverride))
{
if (SendGetFileListMessage())
{
FIoDispatcher& IoDispatcher = FIoDispatcher::Get();
TSharedRef<FStorageServerIoDispatcherBackend> IoDispatcherBackend = MakeShared<FStorageServerIoDispatcherBackend>(*Connection.Get());
IoDispatcher.Mount(IoDispatcherBackend);
#if WITH_COTF
if (CookOnTheFlyServerConnection)
{
FPackageStore::Get().Mount(MakeShared<FCookOnTheFlyPackageStoreBackend>(*CookOnTheFlyServerConnection.Get()));
}
else
#endif
{
FPackageStore::Get().Mount(MakeShared<FStorageServerPackageStoreBackend>(*Connection.Get()));
}
}
else
{
UE_LOG(LogStorageServerPlatformFile, Fatal, TEXT("Failed to get file list from Zen at '%s'"), *Connection->GetHostAddr());
}
}
else
{
if (!FApp::IsUnattended())
{
FText FailedConnectionTitle = NSLOCTEXT("StorageServer", "StorageServer_ConnectFailedTitle", "Failed to connect");
FText FailedConnectionText = FText::Format(NSLOCTEXT("StorageServer", "StorageServer_ConnectFailedText",
"Network data streaming failed to connect to any of the following data sources:\n\n{0}\n\n"
"This can be due to the sources being offline, the Unreal Zen Storage process not currently running, "
"invalid addresses, firewall blocking, or the sources being on a different network from this device. "
"Please verify that your Unreal Zen Storage process is running using the ZenDashboard utility. "
"If these issues can't be addressed, you can use an installed build without network data streaming by "
"building with the '-pak' argument. This process will now exit."),
FText::FromString(FString::Join(HostAddrs, TEXT("\n"))));
FPlatformMisc::MessageBoxExt(EAppMsgType::Ok, *FailedConnectionText.ToString(), *FailedConnectionTitle.ToString());
}
UE_LOG(LogStorageServerPlatformFile, Error, TEXT("Failed to initialize connection to %s"), *FString::Join(HostAddrs, TEXT("\n")));
FPlatformMisc::RequestExit(true);
}
}
bool FStorageServerPlatformFile::FileExists(const TCHAR* Filename)
{
TStringBuilder<1024> StorageServerFilename;
if (MakeStorageServerPath(Filename, StorageServerFilename) && ServerToc.FileExists(*StorageServerFilename))
{
return true;
}
return LowerLevel->FileExists(Filename);
}
FDateTime FStorageServerPlatformFile::GetTimeStamp(const TCHAR* Filename)
{
TStringBuilder<1024> StorageServerFilename;
if (MakeStorageServerPath(Filename, StorageServerFilename))
{
if (const FIoChunkId* FileChunkId = ServerToc.GetFileChunkId(*StorageServerFilename))
{
const FFileStatData FileStatData = SendGetStatDataMessage(*FileChunkId);
check(FileStatData.bIsValid);
return FileStatData.ModificationTime;
}
}
return LowerLevel->GetTimeStamp(Filename);
}
FDateTime FStorageServerPlatformFile::GetAccessTimeStamp(const TCHAR* Filename)
{
TStringBuilder<1024> StorageServerFilename;
if (MakeStorageServerPath(Filename, StorageServerFilename))
{
if (const FIoChunkId* FileChunkId = ServerToc.GetFileChunkId(*StorageServerFilename))
{
const FFileStatData FileStatData = SendGetStatDataMessage(*FileChunkId);
check(FileStatData.bIsValid);
return FileStatData.AccessTime;
}
}
return LowerLevel->GetAccessTimeStamp(Filename);
}
int64 FStorageServerPlatformFile::FileSize(const TCHAR* Filename)
{
TStringBuilder<1024> StorageServerFilename;
if (MakeStorageServerPath(Filename, StorageServerFilename))
{
if (const FIoChunkId* FileChunkId = ServerToc.GetFileChunkId(*StorageServerFilename))
{
const FFileStatData FileStatData = SendGetStatDataMessage(*FileChunkId);
check(FileStatData.bIsValid);
return FileStatData.FileSize;
}
}
return LowerLevel->FileSize(Filename);
}
bool FStorageServerPlatformFile::IsReadOnly(const TCHAR* Filename)
{
TStringBuilder<1024> StorageServerFilename;
if (MakeStorageServerPath(Filename, StorageServerFilename) && ServerToc.FileExists(*StorageServerFilename))
{
return true;
}
return LowerLevel->IsReadOnly(Filename);
}
FFileStatData FStorageServerPlatformFile::GetStatData(const TCHAR* FilenameOrDirectory)
{
TStringBuilder<1024> StorageServerFilenameOrDirectory;
if (MakeStorageServerPath(FilenameOrDirectory, StorageServerFilenameOrDirectory))
{
if (const FIoChunkId* FileChunkId = ServerToc.GetFileChunkId(*StorageServerFilenameOrDirectory))
{
return SendGetStatDataMessage(*FileChunkId);
}
else if (ServerToc.DirectoryExists(*StorageServerFilenameOrDirectory))
{
return FFileStatData(
FDateTime::MinValue(),
FDateTime::MinValue(),
FDateTime::MinValue(),
0,
true,
true);
}
}
return LowerLevel->GetStatData(FilenameOrDirectory);
}
IFileHandle* FStorageServerPlatformFile::InternalOpenFile(const FIoChunkId& FileChunkId, const TCHAR* LocalFilename)
{
return new FStorageServerFileHandle(*this, FileChunkId, LocalFilename);
}
IFileHandle* FStorageServerPlatformFile::OpenRead(const TCHAR* Filename, bool bAllowWrite)
{
TStringBuilder<1024> StorageServerFilename;
if (MakeStorageServerPath(Filename, StorageServerFilename))
{
if (const FIoChunkId* FileChunkId = ServerToc.GetFileChunkId(*StorageServerFilename))
{
return InternalOpenFile(*FileChunkId, Filename);
}
}
return LowerLevel->OpenRead(Filename, bAllowWrite);
}
bool FStorageServerPlatformFile::IterateDirectory(const TCHAR* Directory, IPlatformFile::FDirectoryVisitor& Visitor)
{
TStringBuilder<1024> StorageServerDirectory;
bool bResult = false;
if (MakeStorageServerPath(Directory, StorageServerDirectory) && ServerToc.DirectoryExists(*StorageServerDirectory))
{
bResult |= ServerToc.IterateDirectory(*StorageServerDirectory, [this, &Visitor](const FIoChunkId& FileChunkId, const TCHAR* FilenameOrDirectory)
{
TStringBuilder<1024> LocalPath;
bool bConverted = MakeLocalPath(FilenameOrDirectory, LocalPath);
check(bConverted);
const bool bDirectory = !FileChunkId.IsValid();
return Visitor.CallShouldVisitAndVisit(*LocalPath, bDirectory);
});
}
else
{
bResult |= LowerLevel->IterateDirectory(Directory, Visitor);
}
return bResult;
}
bool FStorageServerPlatformFile::IterateDirectoryStat(const TCHAR* Directory, FDirectoryStatVisitor& Visitor)
{
TStringBuilder<1024> StorageServerDirectory;
bool bResult = false;
if (MakeStorageServerPath(Directory, StorageServerDirectory) && ServerToc.DirectoryExists(*StorageServerDirectory))
{
bResult |= ServerToc.IterateDirectory(*StorageServerDirectory, [this, &Visitor](const FIoChunkId& FileChunkId, const TCHAR* ServerFilenameOrDirectory)
{
TStringBuilder<1024> LocalPath;
bool bConverted = MakeLocalPath(ServerFilenameOrDirectory, LocalPath);
check(bConverted);
FFileStatData FileStatData;
if (FileChunkId.IsValid())
{
FileStatData = SendGetStatDataMessage(FileChunkId);
check(FileStatData.bIsValid);
}
else
{
FileStatData = FFileStatData(
FDateTime::MinValue(),
FDateTime::MinValue(),
FDateTime::MinValue(),
0,
true,
true);
}
return Visitor.CallShouldVisitAndVisit(*LocalPath, FileStatData);
});
}
else
{
bResult |= LowerLevel->IterateDirectoryStat(Directory, Visitor);
}
return bResult;
}
bool FStorageServerPlatformFile::DirectoryExists(const TCHAR* Directory)
{
TStringBuilder<1024> StorageServerDirectory;
if (MakeStorageServerPath(Directory, StorageServerDirectory) && ServerToc.DirectoryExists(*StorageServerDirectory))
{
return true;
}
return LowerLevel->DirectoryExists(Directory);
}
FString FStorageServerPlatformFile::GetFilenameOnDisk(const TCHAR* Filename)
{
TStringBuilder<1024> StorageServerFilename;
if (MakeStorageServerPath(Filename, StorageServerFilename) && ServerToc.FileExists(*StorageServerFilename))
{
UE_LOG(LogStorageServerPlatformFile, Warning, TEXT("Attempting to get disk filename of remote file '%s'"), Filename);
return Filename;
}
return LowerLevel->GetFilenameOnDisk(Filename);
}
bool FStorageServerPlatformFile::DeleteFile(const TCHAR* Filename)
{
TStringBuilder<1024> StorageServerFilename;
if (MakeStorageServerPath(Filename, StorageServerFilename) && ServerToc.FileExists(*StorageServerFilename))
{
return false;
}
return LowerLevel->DeleteFile(Filename);
}
bool FStorageServerPlatformFile::MoveFile(const TCHAR* To, const TCHAR* From)
{
TStringBuilder<1024> StorageServerTo;
if (MakeStorageServerPath(To, StorageServerTo) && ServerToc.FileExists(*StorageServerTo))
{
return false;
}
TStringBuilder<1024> StorageServerFrom;
if (MakeStorageServerPath(From, StorageServerFrom))
{
if (const FIoChunkId* FromFileChunkId = ServerToc.GetFileChunkId(*StorageServerFrom))
{
TUniquePtr<IFileHandle> ToFile(LowerLevel->OpenWrite(To, false, false));
if (!ToFile)
{
return false;
}
TUniquePtr<IFileHandle> FromFile(InternalOpenFile(*FromFileChunkId, *StorageServerFrom));
if (!FromFile)
{
return false;
}
const int64 BufferSize = 64 << 10;
TArray<uint8> Buffer;
Buffer.SetNum(BufferSize);
int64 BytesLeft = FromFile->Size();
while (BytesLeft)
{
int64 BytesToWrite = FMath::Min(BufferSize, BytesLeft);
if (!FromFile->Read(Buffer.GetData(), BytesToWrite))
{
return false;
}
if (!ToFile->Write(Buffer.GetData(), BytesToWrite))
{
return false;
}
BytesLeft -= BytesToWrite;
}
return true;
}
}
return LowerLevel->MoveFile(To, From);
}
bool FStorageServerPlatformFile::SetReadOnly(const TCHAR* Filename, bool bNewReadOnlyValue)
{
TStringBuilder<1024> StorageServerFilename;
if (MakeStorageServerPath(Filename, StorageServerFilename) && ServerToc.FileExists(*StorageServerFilename))
{
return bNewReadOnlyValue;
}
return LowerLevel->SetReadOnly(Filename, bNewReadOnlyValue);
}
void FStorageServerPlatformFile::SetTimeStamp(const TCHAR* Filename, FDateTime DateTime)
{
TStringBuilder<1024> StorageServerFilename;
if (MakeStorageServerPath(Filename, StorageServerFilename) && ServerToc.FileExists(*StorageServerFilename))
{
return;
}
LowerLevel->SetTimeStamp(Filename, DateTime);
}
IFileHandle* FStorageServerPlatformFile::OpenWrite(const TCHAR* Filename, bool bAppend, bool bAllowRead)
{
TStringBuilder<1024> StorageServerFilename;
if (MakeStorageServerPath(Filename, StorageServerFilename) && ServerToc.FileExists(*StorageServerFilename))
{
return nullptr;
}
return LowerLevel->OpenWrite(Filename, bAppend, bAllowRead);
}
bool FStorageServerPlatformFile::CreateDirectory(const TCHAR* Directory)
{
TStringBuilder<1024> StorageServerDirectory;
if (MakeStorageServerPath(Directory, StorageServerDirectory) && ServerToc.DirectoryExists(*StorageServerDirectory))
{
return true;
}
return LowerLevel->CreateDirectory(Directory);
}
bool FStorageServerPlatformFile::DeleteDirectory(const TCHAR* Directory)
{
TStringBuilder<1024> StorageServerDirectory;
if (MakeStorageServerPath(Directory, StorageServerDirectory) && ServerToc.DirectoryExists(*StorageServerDirectory))
{
return false;
}
return LowerLevel->DeleteDirectory(Directory);
}
FString FStorageServerPlatformFile::ConvertToAbsolutePathForExternalAppForRead(const TCHAR* Filename)
{
#if PLATFORM_DESKTOP && (UE_GAME || UE_SERVER)
TStringBuilder<1024> Result;
// New code should not end up in here and should instead be written in such a
// way that data can be served from a (remote) server.
// Some data must exist in files on disk such that it can be accessed by external
// APIs. Any such data required by a title should have been written to Saved/Cooked
// at cook time. If a file prefix with UE's canonical ../../../ is requested we
// look inside Saved/Cooked. A read-only filesystem overlay if you will.
static FString* CookedDir = nullptr;
if (CookedDir == nullptr)
{
static FString Inner;
CookedDir = &Inner;
Result << *FPaths::ProjectDir();
Result << TEXT("Saved/Cooked/");
Result << FPlatformProperties::PlatformName();
Result << TEXT("/");
Inner = Result.ToString();
}
else
{
Result << *(*CookedDir);
}
const TCHAR* DotSlashSkip = Filename;
for (; *DotSlashSkip == '.' || *DotSlashSkip == '/'; ++DotSlashSkip);
if (PTRINT(DotSlashSkip - Filename) == 9) // 9 == ../../../
{
Result << DotSlashSkip;
if (LowerLevel->FileExists(Result.ToString()))
{
return FString(Result.GetData(), Result.Len());
}
}
#endif
return LowerLevel->ConvertToAbsolutePathForExternalAppForRead(Filename);
}
bool FStorageServerPlatformFile::MakeStorageServerPath(const TCHAR* LocalFilenameOrDirectory, FStringBuilderBase& OutPath) const
{
FStringView LocalEngineDirView(FPlatformMisc::EngineDir());
FStringView LocalProjectDirView(FPlatformMisc::ProjectDir());
FStringView LocalFilenameOrDirectoryView(LocalFilenameOrDirectory);
bool bValid = false;
if (LocalFilenameOrDirectoryView.StartsWith(LocalEngineDirView, ESearchCase::IgnoreCase))
{
OutPath.Append(ServerEngineDirView);
OutPath.Append(LocalFilenameOrDirectoryView.RightChop(LocalEngineDirView.Len()));
bValid = true;
}
else if (LocalFilenameOrDirectoryView.StartsWith(LocalProjectDirView, ESearchCase::IgnoreCase))
{
OutPath.Append(ServerProjectDirView);
OutPath.Append(LocalFilenameOrDirectoryView.RightChop(LocalProjectDirView.Len()));
bValid = true;
}
if (bValid)
{
Algo::Replace(MakeArrayView(OutPath), '\\', '/');
OutPath.RemoveSuffix(LocalFilenameOrDirectoryView.EndsWith('/') ? 1 : 0);
}
return bValid;
}
bool FStorageServerPlatformFile::MakeLocalPath(const TCHAR* ServerFilenameOrDirectory, FStringBuilderBase& OutPath) const
{
FStringView ServerFilenameOrDirectoryView(ServerFilenameOrDirectory);
if (ServerFilenameOrDirectoryView.StartsWith(ServerEngineDirView, ESearchCase::IgnoreCase))
{
OutPath.Append(FPlatformMisc::EngineDir());
OutPath.Append(ServerFilenameOrDirectoryView.RightChop(ServerEngineDirView.Len()));
return true;
}
else if (ServerFilenameOrDirectoryView.StartsWith(ServerProjectDirView, ESearchCase::IgnoreCase))
{
OutPath.Append(FPlatformMisc::ProjectDir());
OutPath.Append(ServerFilenameOrDirectoryView.RightChop(ServerProjectDirView.Len()));
return true;
}
return false;
}
bool FStorageServerPlatformFile::SendGetFileListMessage()
{
TRACE_CPUPROFILER_EVENT_SCOPE(StorageServerPlatformFileGetFileList);
Connection->FileManifestRequest([&](FIoChunkId Id, FStringView Path)
{
ServerToc.AddFile(Id, Path);
});
return true;
}
FFileStatData FStorageServerPlatformFile::SendGetStatDataMessage(const FIoChunkId& FileChunkId)
{
TRACE_CPUPROFILER_EVENT_SCOPE(StorageServerPlatformFileGetStatData);
const int64 FileSize = Connection->ChunkSizeRequest(FileChunkId);
if (FileSize < 0)
{
return FFileStatData();
}
FDateTime CreationTime = FDateTime::Now();
FDateTime AccessTime = FDateTime::Now();
FDateTime ModificationTime = FDateTime::Now();
return FFileStatData(CreationTime, AccessTime, ModificationTime, FileSize, false, true);
}
int64 FStorageServerPlatformFile::SendReadMessage(uint8* Destination, const FIoChunkId& FileChunkId, int64 Offset, int64 BytesToRead)
{
TRACE_CPUPROFILER_EVENT_SCOPE(StorageServerPlatformFileRead);
int64 BytesRead = 0;
Connection->ReadChunkRequest(FileChunkId, Offset, BytesToRead, [Destination, Offset, BytesToRead, &BytesRead](FStorageServerResponse& Response)
{
BytesRead = Response.SerializeChunkTo(MakeMemoryView(Destination, BytesToRead), Offset);
});
return BytesRead;
}
bool FStorageServerPlatformFile::SendMessageToServer(const TCHAR* Message, IPlatformFile::IFileServerMessageHandler* Handler)
{
#if WITH_COTF
if (!CookOnTheFlyServerConnection->IsConnected())
{
return false;
}
if (FCString::Stricmp(Message, TEXT("RecompileShaders")) == 0)
{
UE::Cook::FCookOnTheFlyRequest Request(UE::Cook::ECookOnTheFlyMessage::RecompileShaders);
{
TUniquePtr<FArchive> Ar = Request.WriteBody();
Handler->FillPayload(*Ar);
}
UE::Cook::FCookOnTheFlyResponse Response = CookOnTheFlyServerConnection->SendRequest(Request).Get();
if (Response.IsOk())
{
TUniquePtr<FArchive> Ar = Response.ReadBody();
Handler->ProcessResponse(*Ar);
}
return Response.IsOk();
}
#endif
return false;
}
#if WITH_COTF
void FStorageServerPlatformFile::OnCookOnTheFlyMessage(const UE::Cook::FCookOnTheFlyMessage& Message)
{
switch (Message.GetHeader().MessageType)
{
case UE::Cook::ECookOnTheFlyMessage::FilesAdded:
{
UE_LOG(LogCookOnTheFly, Verbose, TEXT("Received '%s' message"), LexToString(Message.GetHeader().MessageType));
TArray<FString> Filenames;
TArray<FIoChunkId> ChunkIds;
{
TUniquePtr<FArchive> Ar = Message.ReadBody();
*Ar << Filenames;
*Ar << ChunkIds;
}
check(Filenames.Num() == ChunkIds.Num());
for (int32 Idx = 0, Num = Filenames.Num(); Idx < Num; ++Idx)
{
UE_LOG(LogCookOnTheFly, Verbose, TEXT("Adding file '%s'"), *Filenames[Idx]);
ServerToc.AddFile(ChunkIds[Idx], Filenames[Idx]);
}
break;
}
}
}
#endif
class FStorageServerClientFileModule
: public IPlatformFileModule
{
public:
virtual IPlatformFile* GetPlatformFile() override
{
static TUniquePtr<IPlatformFile> AutoDestroySingleton = MakeUnique<FStorageServerPlatformFile>();
return AutoDestroySingleton.Get();
}
};
IMPLEMENT_MODULE(FStorageServerClientFileModule, StorageServerClient);
#endif