Files
UnrealEngineUWP/Engine/Source/Developer/DerivedDataCache/Private/DerivedDataBuildDefinition.cpp
Devin Doucette eb2cda6fba Added conversions and constructors to/from 12-byte arrays for FCbObjectId and DerivedData::FPayloadId
#rb Zousar.Shaker
#rnx

[CL 16536271 by Devin Doucette in ue5-main branch]
2021-06-02 13:06:45 -04:00

374 lines
11 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#include "DerivedDataBuildDefinition.h"
#include "Algo/AllOf.h"
#include "Containers/Map.h"
#include "Containers/StringConv.h"
#include "Containers/StringView.h"
#include "Containers/UnrealString.h"
#include "DerivedDataBuildKey.h"
#include "DerivedDataBuildPrivate.h"
#include "Misc/Guid.h"
#include "Misc/TVariant.h"
#include "Serialization/CompactBinary.h"
#include "Serialization/CompactBinaryWriter.h"
#include <atomic>
namespace UE::DerivedData::Private
{
class FBuildDefinitionBuilderInternal final : public IBuildDefinitionBuilderInternal
{
public:
inline FBuildDefinitionBuilderInternal(FStringView InName, FStringView InFunction)
: Name(InName)
, Function(InFunction)
{
checkf(!Name.IsEmpty(), TEXT("A build definition requires a non-empty name."));
AssertValidBuildFunctionName(Function, Name);
}
~FBuildDefinitionBuilderInternal() final = default;
void AddConstant(FStringView Key, const FCbObject& Value) final
{
Add<FCbObject>(Key, Value);
}
void AddInputBuild(FStringView Key, const FBuildPayloadKey& PayloadKey) final
{
Add<FBuildPayloadKey>(Key, PayloadKey);
}
void AddInputBulkData(FStringView Key, const FGuid& BulkDataId) final
{
Add<FGuid>(Key, BulkDataId);
}
void AddInputFile(FStringView Key, FStringView Path) final
{
Add<FString>(Key, Path);
}
void AddInputHash(FStringView Key, const FIoHash& RawHash) final
{
Add<FIoHash>(Key, RawHash);
}
FBuildDefinition Build() final;
using InputType = TVariant<FCbObject, FBuildPayloadKey, FGuid, FString, FIoHash>;
FString Name;
FString Function;
TMap<FString, InputType> Inputs;
private:
template <typename ValueType, typename ArgType>
inline void Add(FStringView Key, ArgType&& Value)
{
const uint32 KeyHash = GetTypeHash(Key);
checkf(!Key.IsEmpty(), TEXT("Empty key used in definition for build of '%s' by %s."), *Name, *Function);
checkf(!Inputs.ContainsByHash(KeyHash, Key), TEXT("Duplicate key '%.*s' used in definition ")
TEXT("for build of '%s' by %s."), Key.Len(), Key.GetData(), *Name, *Function);
Inputs.EmplaceByHash(KeyHash, Key, InputType(TInPlaceType<ValueType>(), Forward<ArgType>(Value)));
}
};
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
class FBuildDefinitionInternal final : public IBuildDefinitionInternal
{
public:
explicit FBuildDefinitionInternal(FBuildDefinitionBuilderInternal&& DefinitionBuilder);
explicit FBuildDefinitionInternal(FStringView Name, FCbObject&& Definition, bool& bOutIsValid);
~FBuildDefinitionInternal() final = default;
const FBuildKey& GetKey() const final { return Key; }
FStringView GetName() const final { return Name; }
FStringView GetFunction() const final { return Function; }
bool HasConstants() const final;
bool HasInputs() const final;
void IterateConstants(TFunctionRef<void (FStringView Key, FCbObject&& Value)> Visitor) const final;
void IterateInputBuilds(TFunctionRef<void (FStringView Key, const FBuildPayloadKey& PayloadKey)> Visitor) const final;
void IterateInputBulkData(TFunctionRef<void (FStringView Key, const FGuid& BulkDataId)> Visitor) const final;
void IterateInputFiles(TFunctionRef<void (FStringView Key, FStringView Path)> Visitor) const final;
void IterateInputHashes(TFunctionRef<void (FStringView Key, const FIoHash& RawHash)> Visitor) const final;
void Save(FCbWriter& Writer) const final;
inline void AddRef() const final
{
ReferenceCount.fetch_add(1, std::memory_order_relaxed);
}
inline void Release() const final
{
if (ReferenceCount.fetch_sub(1, std::memory_order_acq_rel) == 1)
{
delete this;
}
}
private:
FString Name;
FString Function;
FCbObject Definition;
FBuildKey Key;
mutable std::atomic<uint32> ReferenceCount{0};
};
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
FBuildDefinitionInternal::FBuildDefinitionInternal(FBuildDefinitionBuilderInternal&& DefinitionBuilder)
: Name(MoveTemp(DefinitionBuilder.Name))
, Function(MoveTemp(DefinitionBuilder.Function))
{
DefinitionBuilder.Inputs.KeySort(TLess<>());
bool bHasConstants = false;
bool bHasBuilds = false;
bool bHasBulkData = false;
bool bHasFiles = false;
bool bHasHashes = false;
for (const TPair<FString, FBuildDefinitionBuilderInternal::InputType>& Pair : DefinitionBuilder.Inputs)
{
if (Pair.Value.IsType<FCbObject>())
{
bHasConstants = true;
}
else if (Pair.Value.IsType<FBuildPayloadKey>())
{
bHasBuilds = true;
}
else if (Pair.Value.IsType<FGuid>())
{
bHasBulkData = true;
}
else if (Pair.Value.IsType<FString>())
{
bHasFiles = true;
}
else if (Pair.Value.IsType<FIoHash>())
{
bHasHashes = true;
}
}
const bool bHasInputs = bHasBuilds | bHasBulkData | bHasFiles | bHasHashes;
TCbWriter<2048> Writer;
Writer.BeginObject();
Writer.AddString("Function"_ASV, Function);
if (bHasConstants)
{
Writer.BeginObject("Constants"_ASV);
for (const TPair<FString, FBuildDefinitionBuilderInternal::InputType>& Pair : DefinitionBuilder.Inputs)
{
if (Pair.Value.IsType<FCbObject>())
{
Writer.AddObject(FTCHARToUTF8(Pair.Key), Pair.Value.Get<FCbObject>());
}
}
Writer.EndObject();
}
if (bHasInputs)
{
Writer.BeginObject("Inputs"_ASV);
}
if (bHasBuilds)
{
Writer.BeginObject("Builds"_ASV);
for (const TPair<FString, FBuildDefinitionBuilderInternal::InputType>& Pair : DefinitionBuilder.Inputs)
{
if (Pair.Value.IsType<FBuildPayloadKey>())
{
const FBuildPayloadKey& PayloadKey = Pair.Value.Get<FBuildPayloadKey>();
Writer.BeginObject(FTCHARToUTF8(Pair.Key));
Writer.AddHash("Build"_ASV, PayloadKey.BuildKey.Hash);
Writer.AddObjectId("Payload"_ASV, FCbObjectId(PayloadKey.Id));
Writer.EndObject();
}
}
Writer.EndObject();
}
if (bHasBulkData)
{
Writer.BeginObject("BulkData"_ASV);
for (const TPair<FString, FBuildDefinitionBuilderInternal::InputType>& Pair : DefinitionBuilder.Inputs)
{
if (Pair.Value.IsType<FGuid>())
{
Writer.AddUuid(FTCHARToUTF8(Pair.Key), Pair.Value.Get<FGuid>());
}
}
Writer.EndObject();
}
if (bHasFiles)
{
Writer.BeginObject("Files"_ASV);
for (const TPair<FString, FBuildDefinitionBuilderInternal::InputType>& Pair : DefinitionBuilder.Inputs)
{
if (Pair.Value.IsType<FString>())
{
Writer.AddString(FTCHARToUTF8(Pair.Key), Pair.Value.Get<FString>());
}
}
Writer.EndObject();
}
if (bHasHashes)
{
Writer.BeginObject("Hashes"_ASV);
for (const TPair<FString, FBuildDefinitionBuilderInternal::InputType>& Pair : DefinitionBuilder.Inputs)
{
if (Pair.Value.IsType<FIoHash>())
{
Writer.AddBinaryAttachment(FTCHARToUTF8(Pair.Key), Pair.Value.Get<FIoHash>());
}
}
Writer.EndObject();
}
if (bHasInputs)
{
Writer.EndObject();
}
Writer.EndObject();
Definition = Writer.Save().AsObject();
Key.Hash = Definition.GetHash();
}
FBuildDefinitionInternal::FBuildDefinitionInternal(FStringView InName, FCbObject&& InDefinition, bool& bOutIsValid)
: Name(InName)
, Function(InDefinition.FindView("Function"_ASV).AsString())
, Definition(MoveTemp(InDefinition))
, Key{Definition.GetHash()}
{
checkf(!Name.IsEmpty(), TEXT("A build definition requires a non-empty name."));
Definition.MakeOwned();
bOutIsValid = Definition
&& IsValidBuildFunctionName(Function)
&& Algo::AllOf(Definition.FindView("Constants"_ASV),
[](FCbFieldView Field) { return Field.GetName().Len() > 0 && Field.IsObject(); })
&& Algo::AllOf(Definition.FindView("Inputs"_ASV).AsObjectView().FindView("Builds"_ASV), [](FCbFieldView Field)
{
return Field.GetName().Len() > 0 && Field.IsObject()
&& Field.AsObjectView()["Build"_ASV].IsHash()
&& Field.AsObjectView()["Payload"_ASV].IsObjectId();
})
&& Algo::AllOf(Definition.FindView("Inputs"_ASV).AsObjectView().FindView("BulkData"_ASV),
[](FCbFieldView Field) { return Field.GetName().Len() > 0 && Field.IsUuid(); })
&& Algo::AllOf(Definition.FindView("Inputs"_ASV).AsObjectView().FindView("Files"_ASV),
[](FCbFieldView Field) { return Field.GetName().Len() > 0 && Field.AsString().Len() > 0; })
&& Algo::AllOf(Definition.FindView("Inputs"_ASV).AsObjectView().FindView("Hashes"_ASV),
[](FCbFieldView Field) { return Field.GetName().Len() > 0 && Field.IsBinaryAttachment(); });
}
bool FBuildDefinitionInternal::HasConstants() const
{
return Definition["Constants"_ASV].HasValue();
}
bool FBuildDefinitionInternal::HasInputs() const
{
return Definition["Inputs"_ASV].HasValue();
}
void FBuildDefinitionInternal::IterateConstants(TFunctionRef<void (FStringView Key, FCbObject&& Value)> Visitor) const
{
for (FCbField Field : Definition["Constants"_ASV])
{
Visitor(FUTF8ToTCHAR(Field.GetName()), Field.AsObject());
}
}
void FBuildDefinitionInternal::IterateInputBuilds(TFunctionRef<void (FStringView Key, const FBuildPayloadKey& PayloadKey)> Visitor) const
{
for (FCbFieldView Field : Definition.FindView("Inputs"_ASV).AsObjectView().FindView("Builds"_ASV))
{
FCbObjectView Build = Field.AsObjectView();
const FBuildKey BuildKey{Build["Build"_ASV].AsHash()};
const FPayloadId Id = FPayloadId(Build["Payload"_ASV].AsObjectId());
Visitor(FUTF8ToTCHAR(Field.GetName()), FBuildPayloadKey{BuildKey, Id});
}
}
void FBuildDefinitionInternal::IterateInputBulkData(TFunctionRef<void (FStringView Key, const FGuid& BulkDataId)> Visitor) const
{
for (FCbFieldView Field : Definition.FindView("Inputs"_ASV).AsObjectView().FindView("BulkData"_ASV))
{
Visitor(FUTF8ToTCHAR(Field.GetName()), Field.AsUuid());
}
}
void FBuildDefinitionInternal::IterateInputFiles(TFunctionRef<void (FStringView Key, FStringView Path)> Visitor) const
{
for (FCbFieldView Field : Definition.FindView("Inputs"_ASV).AsObjectView().FindView("Files"_ASV))
{
Visitor(FUTF8ToTCHAR(Field.GetName()), FUTF8ToTCHAR(Field.AsString()));
}
}
void FBuildDefinitionInternal::IterateInputHashes(TFunctionRef<void (FStringView Key, const FIoHash& RawHash)> Visitor) const
{
for (FCbFieldView Field : Definition.FindView("Inputs"_ASV).AsObjectView().FindView("Hashes"_ASV))
{
Visitor(FUTF8ToTCHAR(Field.GetName()), Field.AsBinaryAttachment());
}
}
void FBuildDefinitionInternal::Save(FCbWriter& Writer) const
{
Writer.AddObject(Definition);
}
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
FBuildDefinition FBuildDefinitionBuilderInternal::Build()
{
return CreateBuildDefinition(new FBuildDefinitionInternal(MoveTemp(*this)));
}
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
FBuildDefinition CreateBuildDefinition(IBuildDefinitionInternal* Definition)
{
return FBuildDefinition(Definition);
}
FBuildDefinitionBuilder CreateBuildDefinitionBuilder(IBuildDefinitionBuilderInternal* DefinitionBuilder)
{
return FBuildDefinitionBuilder(DefinitionBuilder);
}
FBuildDefinitionBuilder CreateBuildDefinition(FStringView Name, FStringView Function)
{
return CreateBuildDefinitionBuilder(new FBuildDefinitionBuilderInternal(Name, Function));
}
FOptionalBuildDefinition LoadBuildDefinition(FStringView Name, FCbObject&& Definition)
{
bool bIsValid = false;
FOptionalBuildDefinition Out = CreateBuildDefinition(new FBuildDefinitionInternal(Name, MoveTemp(Definition), bIsValid));
if (!bIsValid)
{
Out.Reset();
}
return Out;
}
} // UE::DerivedData::Private