Files
UnrealEngine/Engine/Source/Developer/DerivedDataCache/Private/DerivedDataBuildJob.cpp
2025-05-18 13:04:45 +08:00

1410 lines
48 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#include "DerivedDataBuildJob.h"
#include "Algo/Find.h"
#include "Compression/CompressedBuffer.h"
#include "Containers/SharedString.h"
#include "DerivedDataBuild.h"
#include "DerivedDataBuildAction.h"
#include "DerivedDataBuildDefinition.h"
#include "DerivedDataBuildFunction.h"
#include "DerivedDataBuildFunctionRegistry.h"
#include "DerivedDataBuildInputResolver.h"
#include "DerivedDataBuildInputs.h"
#include "DerivedDataBuildJobContext.h"
#include "DerivedDataBuildKey.h"
#include "DerivedDataBuildOutput.h"
#include "DerivedDataBuildPrivate.h"
#include "DerivedDataBuildScheduler.h"
#include "DerivedDataBuildTypes.h"
#include "DerivedDataBuildWorker.h"
#include "DerivedDataBuildWorkerRegistry.h"
#include "DerivedDataCache.h"
#include "DerivedDataCacheRecord.h"
#include "DerivedDataRequestOwner.h"
#include "HAL/CriticalSection.h"
#include "HAL/Event.h"
#include "HAL/FileManager.h"
#include "Misc/CommandLine.h"
#include "Misc/Guid.h"
#include "Misc/Parse.h"
#include "Misc/Paths.h"
#include "Misc/PathViews.h"
#include "Misc/ScopeRWLock.h"
#include "Misc/StringBuilder.h"
#include "ProfilingDebugging/CpuProfilerTrace.h"
#include "Serialization/CompactBinary.h"
#include "Serialization/CompactBinarySerialization.h"
#include "Serialization/CompactBinaryWriter.h"
#include "String/ParseTokens.h"
#include "Templates/Function.h"
#include "Templates/RefCounting.h"
namespace UE::DerivedData::Private
{
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
/** A build job proceeds through these states in order and may skip states. */
enum class EBuildJobState : uint32
{
/** A new job that has not been scheduled. */
NotStarted,
/** Resolve the key to a definition. */
ResolveKey,
/** Wait for the input resolver to resolve the key. */
ResolveKeyWait,
/** Resolve each input to its raw hash and raw size. */
ResolveInputMeta,
/** Wait for the input resolver to resolve the metadata. */
ResolveInputMetaWait,
/** Query the cache for the action. */
CacheQuery,
/** Wait for the cache query to finish. */
CacheQueryWait,
/** Try to execute remotely without loading additional inputs. */
ExecuteRemote,
/** Wait for the remote execution request to finish. */
ExecuteRemoteWait,
/** Resolve each input that was missing from remote execution. */
ResolveRemoteInputData,
/** Wait for the input resolver to resolve the data. */
ResolveRemoteInputDataWait,
/** Try to execute remotely after resolving missing inputs. */
ExecuteRemoteRetry,
/** Wait for the remote execution request to finish. */
ExecuteRemoteRetryWait,
/** Resolve each input that is not yet resolved. */
ResolveInputData,
/** Wait for the input resolver to resolve the data. */
ResolveInputDataWait,
/** Execute the function locally to build the output. */
ExecuteLocal,
/** Wait for the async function to finish executing locally. */
ExecuteLocalWait,
/** Store the output in the cache. */
CacheStore,
/** Wait for the cache store to finish. */
CacheStoreWait,
/** Complete. */
Complete,
};
class FBuildJob final : public IBuildJob
{
public:
/** Resolve the key to a definition, then build like the definition constructor. */
FBuildJob(
const FBuildJobCreateParams& Params,
const FBuildKey& Key,
const FBuildPolicy& Policy,
FOnBuildComplete&& OnComplete);
/** Resolve the definition to an action, then build like the action constructor. */
FBuildJob(
const FBuildJobCreateParams& Params,
const FBuildDefinition& Definition,
const FOptionalBuildInputs& Inputs,
const FBuildPolicy& Policy,
FOnBuildComplete&& OnComplete);
/** Query the cache, attempt remote execution, resolve inputs, fall back to local execution, store to the cache. */
FBuildJob(
const FBuildJobCreateParams& Params,
const FBuildAction& Action,
const FOptionalBuildInputs& Inputs,
const FBuildPolicy& Policy,
FOnBuildComplete&& OnComplete);
/** Destroy the job, which must be complete or not started. */
~FBuildJob();
// IBuildJob Interface
inline const FSharedString& GetName() const final { return Name; }
inline const FUtf8SharedString& GetFunction() const final { return FunctionName; }
inline ICache* GetCache() const final { return Cache; }
inline IBuild& GetBuild() const final { return BuildSystem; }
void StepExecution() final;
private:
FBuildJob(
const FBuildJobCreateParams& Params,
const FSharedString& Name,
const FUtf8SharedString& FunctionName,
FOnBuildComplete&& OnComplete);
void BeginJob();
void EndJob();
void CreateContext();
void EnterCacheQuery();
void EnterCacheStore();
void EnterResolveKey();
void EnterResolveInputMeta();
void EnterResolveInputData();
void EnterExecuteRemote();
void EnterExecuteLocal();
void BeginCacheQuery();
void BeginCacheStore();
void BeginResolveKey();
void BeginResolveInputMeta();
void BeginResolveInputData();
void BeginExecuteRemote();
void BeginExecuteLocal();
void EndCacheQuery(FCacheGetResponse&& Response);
void EndCacheStore(FCachePutResponse&& Response);
void EndResolveKey(FBuildKeyResolvedParams&& Params);
void EndResolveInputMeta(FBuildInputMetaResolvedParams&& Params);
void EndResolveInputData(FBuildInputDataResolvedParams&& Params);
void EndExecuteRemote(FBuildWorkerActionCompleteParams&& Params);
void EndExecuteLocal();
void SkipExecuteRemote() final;
void CreateAction(TConstArrayView<FBuildInputMetaByKey> InputMeta);
void SetDefinition(FBuildDefinition&& Definition);
void SetAction(FBuildAction&& Action);
void SetInputs(FBuildInputs&& Inputs);
void SetOutput(const FBuildOutput& Output) final;
/** Terminate the job and send the error to the output complete callback. */
void CompleteWithError(FUtf8StringView Error) { AdvanceToState(EBuildJobState::Complete, Error); }
/** Advance to the new state, dispatching to the scheduler and invoking callbacks as appropriate. */
void AdvanceToState(EBuildJobState NewState, FUtf8StringView NewError = {});
/** Execute a transition from the old state to the new state. */
void ExecuteTransition(EBuildJobState OldState, EBuildJobState NewState);
/** Execute the new state. */
void ExecuteState(EBuildJobState NewState);
/** Appends the export path to the builder. */
void AppendExportPath(FStringBuilderBase& OutPath) const;
/** Exports the action and inputs for this build to disk. */
void ExportBuild() const;
/** Exports the outputs for this build to disk. ExportBuild() must be called before this. */
void ExportBuildOutput() const;
/** Determine whether the action and inputs for this build should be exported to disk. */
bool ShouldExportBuild() const;
/** Parse the types to export from the command line. Sorted by FNameFastLess. */
static TArray<FName> ParseExportBuildTypes(bool& bOutExportAll);
private:
FSharedString Name;
FUtf8SharedString FunctionName{UTF8TEXT("Unknown")};
/** Active state for the job. Always moves through states in order. */
EBuildJobState State{EBuildJobState::NotStarted};
/** Next state for the job. Used to handle re-entrant calls to AdvanceToState. */
EBuildJobState NextState{EBuildJobState::NotStarted};
/** Policy requested and/or configured for the job. */
FBuildPolicy BuildPolicy{EBuildPolicy::None};
/** Status flags that are added to as the job moves through its states. */
EBuildStatus BuildStatus{EBuildStatus::None};
/** Available in [ResolveKey, Complete] for jobs created from a key or definition. */
FBuildKey DefinitionKey;
/** Available in [ResolveAction, ExecuteLocal) for jobs created from a key or definition. */
FOptionalBuildDefinition Definition;
/** Available in [CacheQuery, CacheStore). */
FOptionalBuildAction Action;
/** Available in [ExecuteLocal, CacheStore) for jobs with non-constant inputs. */
FOptionalBuildInputs Inputs;
/** Available in [CacheStore, Complete). */
FOptionalBuildOutput Output;
/** Available in [NotStarted, CacheStore). */
FBuildOutputBuilder OutputBuilder;
/** Available in [CacheQuery, CacheStoreWait). Context used by IBuildFunction. */
TRefCountPtr<FBuildJobContext> Context;
/** Available in (NotStarted, Complete). */
TUniquePtr<IBuildJobSchedule> Schedule;
/** Lock to synchronize writes to State, NextState, bInAdvanceToState. */
FRWLock Lock;
/** Owner used to synchronize every async operation executed by the job. */
IRequestOwner& Owner;
/** Scheduler that the job is scheduled on. Null before Schedule() and after completion. */
IBuildScheduler& Scheduler;
/** Resolver for definitions and inputs. May be null for a job with nothing to resolve. */
IBuildInputResolver* InputResolver{};
/** Worker to use for remote execution. Available in [ExecuteRemote, ExecuteRemoteRetryWait]. */
FBuildWorker* Worker{};
/** Worker executor to use for remote execution. Available in [ExecuteRemote, ExecuteRemoteRetryWait]. */
IBuildWorkerExecutor* WorkerExecutor{};
/** Invoked exactly once when the job is complete. */
FOnBuildComplete OnComplete;
/** Keys for missing inputs. */
TArray<FUtf8StringView> MissingInputs;
ICache* Cache{};
IBuild& BuildSystem;
/** True if AdvanceToState is executing. */
bool bInAdvanceToState{};
};
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
const TCHAR* LexToString(EBuildJobState State)
{
switch (State)
{
case EBuildJobState::NotStarted: return TEXT("NotStarted");
case EBuildJobState::ResolveKey: return TEXT("ResolveKey");
case EBuildJobState::ResolveKeyWait: return TEXT("ResolveKeyWait");
case EBuildJobState::ResolveInputMeta: return TEXT("ResolveInputMeta");
case EBuildJobState::ResolveInputMetaWait: return TEXT("ResolveInputMetaWait");
case EBuildJobState::CacheQuery: return TEXT("CacheQuery");
case EBuildJobState::CacheQueryWait: return TEXT("CacheQueryWait");
case EBuildJobState::ExecuteRemote: return TEXT("ExecuteRemote");
case EBuildJobState::ExecuteRemoteWait: return TEXT("ExecuteRemoteWait");
case EBuildJobState::ResolveRemoteInputData: return TEXT("ResolveRemoteInputData");
case EBuildJobState::ResolveRemoteInputDataWait: return TEXT("ResolveRemoteInputDataWait");
case EBuildJobState::ExecuteRemoteRetry: return TEXT("ExecuteRemoteRetry");
case EBuildJobState::ExecuteRemoteRetryWait: return TEXT("ExecuteRemoteRetryWait");
case EBuildJobState::ResolveInputData: return TEXT("ResolveInputData");
case EBuildJobState::ResolveInputDataWait: return TEXT("ResolveInputDataWait");
case EBuildJobState::ExecuteLocal: return TEXT("ExecuteLocal");
case EBuildJobState::ExecuteLocalWait: return TEXT("ExecuteLocalWait");
case EBuildJobState::CacheStore: return TEXT("CacheStore");
case EBuildJobState::CacheStoreWait: return TEXT("CacheStoreWait");
case EBuildJobState::Complete: return TEXT("Complete");
default: checkNoEntry(); return TEXT("Unknown");
}
}
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
FBuildJob::FBuildJob(
const FBuildJobCreateParams& Params,
const FSharedString& InName,
const FUtf8SharedString& InFunctionName,
FOnBuildComplete&& InOnComplete)
: Name(InName)
, FunctionName(InFunctionName)
, OutputBuilder(Params.BuildSystem.CreateOutput(Name, FunctionName))
, Owner(Params.Owner)
, Scheduler(Params.Scheduler)
, InputResolver(Params.InputResolver)
, OnComplete(MoveTemp(InOnComplete))
, Cache(Params.Cache)
, BuildSystem(Params.BuildSystem)
{
}
FBuildJob::FBuildJob(
const FBuildJobCreateParams& Params,
const FBuildKey& InKey,
const FBuildPolicy& InPolicy,
FOnBuildComplete&& InOnComplete)
: FBuildJob(Params, {WriteToString<64>(TEXTVIEW("Resolve: "), InKey)}, UTF8TEXTVIEW("Unknown"), MoveTemp(InOnComplete))
{
BuildPolicy = InPolicy;
DefinitionKey = InKey;
FRequestBarrier Barrier(Owner, ERequestBarrierFlags::Priority);
AdvanceToState(EBuildJobState::ResolveKey);
}
FBuildJob::FBuildJob(
const FBuildJobCreateParams& Params,
const FBuildDefinition& InDefinition,
const FOptionalBuildInputs& InInputs,
const FBuildPolicy& InPolicy,
FOnBuildComplete&& InOnComplete)
: FBuildJob(Params, InDefinition.GetName(), InDefinition.GetFunction(), MoveTemp(InOnComplete))
{
BuildPolicy = InPolicy;
DefinitionKey = InDefinition.GetKey();
Definition = InDefinition;
Inputs = InInputs;
FRequestBarrier Barrier(Owner, ERequestBarrierFlags::Priority);
AdvanceToState(EBuildJobState::ResolveKey);
}
FBuildJob::FBuildJob(
const FBuildJobCreateParams& Params,
const FBuildAction& InAction,
const FOptionalBuildInputs& InInputs,
const FBuildPolicy& InPolicy,
FOnBuildComplete&& InOnComplete)
: FBuildJob(Params, InAction.GetName(), InAction.GetFunction(), MoveTemp(InOnComplete))
{
BuildPolicy = InPolicy;
Action = InAction;
Inputs = InInputs;
FRequestBarrier Barrier(Owner, ERequestBarrierFlags::Priority);
AdvanceToState(EBuildJobState::ResolveKey);
}
FBuildJob::~FBuildJob()
{
checkf(State == EBuildJobState::NotStarted || State == EBuildJobState::Complete,
TEXT("Job in state %s must complete before being destroyed for build of '%s' by %s."),
LexToString(State), *Name, *WriteToString<32>(FunctionName));
checkf(!OnComplete,
TEXT("Job in state %s must invoke its completion callback before being destroyed for build of '%s' by %s."),
LexToString(State), *Name, *WriteToString<32>(FunctionName));
}
void FBuildJob::StepExecution()
{
switch (State)
{
case EBuildJobState::ResolveKey: return AdvanceToState(EBuildJobState::ResolveKeyWait);
case EBuildJobState::ResolveInputMeta: return AdvanceToState(EBuildJobState::ResolveInputMetaWait);
case EBuildJobState::CacheQuery: return AdvanceToState(EBuildJobState::CacheQueryWait);
case EBuildJobState::ExecuteRemote: return AdvanceToState(EBuildJobState::ExecuteRemoteWait);
case EBuildJobState::ResolveRemoteInputData: return AdvanceToState(EBuildJobState::ResolveRemoteInputDataWait);
case EBuildJobState::ExecuteRemoteRetry: return AdvanceToState(EBuildJobState::ExecuteRemoteRetryWait);
case EBuildJobState::ResolveInputData: return AdvanceToState(EBuildJobState::ResolveInputDataWait);
case EBuildJobState::ExecuteLocal: return AdvanceToState(EBuildJobState::ExecuteLocalWait);
case EBuildJobState::CacheStore: return AdvanceToState(EBuildJobState::CacheStoreWait);
default:
checkf(false,
TEXT("Job in state %s is not valid to be scheduled for build of '%s' by %s."),
LexToString(State), *Name, *WriteToString<32>(FunctionName));
}
}
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void FBuildJob::BeginJob()
{
check(!Schedule);
Schedule = Scheduler.BeginJob(*this, Owner);
}
void FBuildJob::EndJob()
{
Schedule->EndJob();
delete this;
}
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void FBuildJob::CreateContext()
{
TRACE_CPUPROFILER_EVENT_SCOPE(FBuildJob::CreateContext);
const IBuildFunction* Function = BuildSystem.GetFunctionRegistry().FindFunction(FunctionName);
if (BuildSystem.GetVersion() != Action.Get().GetBuildSystemVersion())
{
return CompleteWithError(WriteToUtf8String<192>(ANSITEXTVIEW("Failed because the build system is version "),
BuildSystem.GetVersion(), ANSITEXTVIEW(" when version "),
Action.Get().GetBuildSystemVersion(), ANSITEXTVIEW(" is expected.")));
}
else if (!Function)
{
return CompleteWithError(WriteToUtf8String<128>(ANSITEXTVIEW("Failed because the function "), FunctionName,
ANSITEXTVIEW(" was not found.")));
}
else if (!Function->GetVersion().IsValid())
{
return CompleteWithError(WriteToUtf8String<128>(ANSITEXTVIEW("Failed because the function "), FunctionName,
ANSITEXTVIEW(" has a version of zero.")));
}
else if (Function->GetVersion() != Action.Get().GetFunctionVersion())
{
return CompleteWithError(WriteToUtf8String<192>(ANSITEXTVIEW("Failed because the function "), FunctionName,
ANSITEXTVIEW(" is version "), Function->GetVersion(), ANSITEXTVIEW(" when version "),
Action.Get().GetFunctionVersion(), ANSITEXTVIEW(" is expected.")));
}
else
{
const FCacheKey CacheKey{FCacheBucket(FunctionName), Action.Get().GetKey().Hash};
Context = new FBuildJobContext(*this, CacheKey, *Function, OutputBuilder);
Action.Get().IterateConstants([this](FUtf8StringView Key, FCbObject&& Value)
{
Context->AddConstant(Key, MoveTemp(Value));
});
Function->Configure(*Context);
EnumAddFlags(BuildStatus, ShouldExportBuild() ? EBuildStatus::BuildTryExport : EBuildStatus::None);
EnumAddFlags(BuildStatus, EBuildStatus::CacheKey);
}
if (OutputBuilder.HasError())
{
return AdvanceToState(EBuildJobState::Complete);
}
// Populate the scheduler params with the information that is available now.
FBuildSchedulerParams& SchedulerParams = Schedule->EditParameters();
SchedulerParams.TypeName = Context->GetTypeName();
SchedulerParams.Key = Action.Get().GetKey();
Action.Get().IterateConstants([&SchedulerParams](FUtf8StringView Key, FCbObject&& Value)
{
const uint64 ValueSize = Value.GetSize();
SchedulerParams.TotalInputsSize += ValueSize;
SchedulerParams.ResolvedInputsSize += ValueSize;
});
Action.Get().IterateInputs([&SchedulerParams](FUtf8StringView Key, const FIoHash& RawHash, uint64 RawSize)
{
SchedulerParams.TotalInputsSize += RawSize;
});
if (Inputs)
{
Inputs.Get().IterateInputs([&SchedulerParams](FUtf8StringView Key, const FCompressedBuffer& Buffer)
{
SchedulerParams.ResolvedInputsSize += Buffer.GetRawSize();
});
}
SchedulerParams.TotalRequiredMemory = SchedulerParams.TotalInputsSize + Context->GetRequiredMemory();
}
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
static ECachePolicy MakeCacheQueryPolicy(EBuildPolicy BuildPolicy, const FBuildJobContext& Context)
{
BuildPolicy &= Context.GetBuildPolicyMask();
ECachePolicy CachePolicy = ECachePolicy::None;
if (EnumHasAnyFlags(BuildPolicy, EBuildPolicy::CacheQuery))
{
EnumAddFlags(CachePolicy, ECachePolicy::Query);
}
if (EnumHasAnyFlags(BuildPolicy, EBuildPolicy::CacheStoreOnQuery))
{
EnumAddFlags(CachePolicy, ECachePolicy::Store);
}
if (EnumHasAnyFlags(BuildPolicy, EBuildPolicy::CacheKeepAlive))
{
EnumAddFlags(CachePolicy, ECachePolicy::KeepAlive);
}
if (EnumHasAnyFlags(BuildPolicy, EBuildPolicy::SkipData))
{
EnumAddFlags(CachePolicy, ECachePolicy::SkipData);
}
CachePolicy &= Context.GetCachePolicyMask();
return CachePolicy;
}
static FCacheRecordPolicy MakeCacheRecordQueryPolicy(const FBuildPolicy& BuildPolicy, const FBuildJobContext& Context)
{
const ECachePolicy DefaultCachePolicy = MakeCacheQueryPolicy(BuildPolicy.GetDefaultPolicy(), Context);
const ECachePolicy CombinedCachePolicy = MakeCacheQueryPolicy(BuildPolicy.GetCombinedPolicy(), Context);
FCacheRecordPolicyBuilder Builder(DefaultCachePolicy | (CombinedCachePolicy & ECachePolicy::KeepAlive));
for (const FBuildValuePolicy& Value : BuildPolicy.GetValuePolicies())
{
Builder.AddValuePolicy(Value.Id, MakeCacheQueryPolicy(Value.Policy, Context) & ~ECachePolicy::KeepAlive);
}
// Output can only be loaded if its value is present. Add a policy for the output value which
// is compatible with the combined policy if that differs from the default policy.
if (EnumHasAnyFlags(CombinedCachePolicy, ECachePolicy::Query) &&
(EnumHasAnyFlags(DefaultCachePolicy, ECachePolicy::SkipData) ||
(CombinedCachePolicy & ECachePolicy::Default) != (DefaultCachePolicy & ECachePolicy::Default)))
{
Builder.AddValuePolicy(GetBuildOutputValueId(), CombinedCachePolicy & ~ECachePolicy::SkipData);
}
return Builder.Build();
}
void FBuildJob::EnterCacheQuery()
{
if (!Cache || !Context ||
!EnumHasAnyFlags(Context->GetCachePolicyMask(), ECachePolicy::Query) ||
!EnumHasAnyFlags(Context->GetBuildPolicyMask() & BuildPolicy.GetCombinedPolicy(), EBuildPolicy::CacheQuery))
{
return AdvanceToState(EBuildJobState::ExecuteRemote);
}
}
void FBuildJob::BeginCacheQuery()
{
TRACE_CPUPROFILER_EVENT_SCOPE(FBuildJob::CacheQuery);
EnumAddFlags(BuildStatus, EBuildStatus::CacheQuery);
Cache->Get({{Name, Context->GetCacheKey(), MakeCacheRecordQueryPolicy(BuildPolicy, *Context)}}, Owner,
[this](FCacheGetResponse&& Response) { EndCacheQuery(MoveTemp(Response)); });
}
void FBuildJob::EndCacheQuery(FCacheGetResponse&& Response)
{
if (Response.Status == EStatus::Canceled)
{
return CompleteWithError(ANSITEXTVIEW("Build was canceled."));
}
if (Response.Status == EStatus::Ok)
{
if (FOptionalBuildOutput CacheOutput = FBuildOutput::Load(Name, FunctionName, Response.Record))
{
Output = MoveTemp(CacheOutput).Get();
EnumAddFlags(BuildStatus, EBuildStatus::CacheQueryHit);
return AdvanceToState(EBuildJobState::Complete);
}
}
if (!EnumHasAnyFlags(BuildPolicy.GetCombinedPolicy() & Context->GetBuildPolicyMask(), EBuildPolicy::Build))
{
return CompleteWithError(ANSITEXTVIEW("Failed to fetch from the cache and build policy does not allow execution."));
}
return AdvanceToState(EBuildJobState::ExecuteRemote);
}
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
static ECachePolicy MakeCacheStorePolicy(EBuildPolicy BuildPolicy, const FBuildJobContext& Context)
{
BuildPolicy &= Context.GetBuildPolicyMask();
ECachePolicy CachePolicy = ECachePolicy::None;
if (EnumHasAnyFlags(BuildPolicy, EBuildPolicy::CacheQuery))
{
EnumAddFlags(CachePolicy, ECachePolicy::Query);
}
if (EnumHasAnyFlags(BuildPolicy, EBuildPolicy::CacheStoreOnBuild))
{
EnumAddFlags(CachePolicy, ECachePolicy::Store);
}
if (EnumHasAnyFlags(BuildPolicy, EBuildPolicy::CacheKeepAlive))
{
EnumAddFlags(CachePolicy, ECachePolicy::KeepAlive);
}
CachePolicy &= Context.GetCachePolicyMask();
return CachePolicy;
}
void FBuildJob::EnterCacheStore()
{
checkf(!EnumHasAnyFlags(BuildStatus, EBuildStatus::CacheQueryHit),
TEXT("Job is not expected to store to the cache after a cache query hit for build of '%s' by %s."),
*Name, *WriteToString<32>(FunctionName));
if (!Cache || !Context ||
!EnumHasAnyFlags(Context->GetCachePolicyMask(), ECachePolicy::Store) ||
!EnumHasAnyFlags(Context->GetBuildPolicyMask() & BuildPolicy.GetCombinedPolicy(), EBuildPolicy::CacheStoreOnBuild) ||
Output.Get().HasError() ||
Output.Get().HasLogs())
{
return AdvanceToState(EBuildJobState::Complete);
}
}
void FBuildJob::BeginCacheStore()
{
TRACE_CPUPROFILER_EVENT_SCOPE(FBuildJob::CacheStore);
EnumAddFlags(BuildStatus, EBuildStatus::CacheStore);
FCacheRecordBuilder RecordBuilder(Context->GetCacheKey());
Output.Get().Save(RecordBuilder);
Cache->Put({{Name, RecordBuilder.Build(), MakeCacheStorePolicy(BuildPolicy.GetCombinedPolicy(), *Context)}}, Owner,
[this](FCachePutResponse&& Response) { EndCacheStore(MoveTemp(Response)); });
}
void FBuildJob::EndCacheStore(FCachePutResponse&& Response)
{
if (Response.Status == EStatus::Ok)
{
EnumAddFlags(BuildStatus, EBuildStatus::CacheStoreHit);
}
return AdvanceToState(EBuildJobState::Complete);
}
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void FBuildJob::EnterResolveKey()
{
if (Action)
{
return AdvanceToState(EBuildJobState::CacheQuery);
}
if (Definition)
{
return AdvanceToState(EBuildJobState::ResolveInputMeta);
}
if (DefinitionKey != FBuildKey::Empty)
{
return CompleteWithError(ANSITEXTVIEW("Failed to resolve null key."));
}
if (!InputResolver)
{
return CompleteWithError(ANSITEXTVIEW("Failed to resolve key due to null input resolver."));
}
}
void FBuildJob::BeginResolveKey()
{
TRACE_CPUPROFILER_EVENT_SCOPE(FBuildJob::ResolveKey);
InputResolver->ResolveKey(DefinitionKey, Owner,
[this](FBuildKeyResolvedParams&& Params) { EndResolveKey(MoveTemp(Params)); });
}
void FBuildJob::EndResolveKey(FBuildKeyResolvedParams&& Params)
{
if (Params.Status == EStatus::Canceled)
{
return CompleteWithError(ANSITEXTVIEW("Build was canceled."));
}
if (Params.Status == EStatus::Ok && Params.Definition)
{
return SetDefinition(MoveTemp(Params.Definition).Get());
}
else
{
return CompleteWithError(WriteToUtf8String<128>(ANSITEXTVIEW("Failed to resolve key "), Params.Key, ANSITEXTVIEW(".")));
}
}
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void FBuildJob::EnterResolveInputMeta()
{
if (!Definition.Get().HasInputs())
{
return CreateAction({});
}
if (!InputResolver)
{
return CompleteWithError(ANSITEXTVIEW("Failed to resolve input metadata due to null input resolver."));
}
}
void FBuildJob::BeginResolveInputMeta()
{
TRACE_CPUPROFILER_EVENT_SCOPE(FBuildJob::ResolveInputMeta);
InputResolver->ResolveInputMeta(Definition.Get(), Owner,
[this](FBuildInputMetaResolvedParams&& Params) { EndResolveInputMeta(MoveTemp(Params)); });
}
void FBuildJob::EndResolveInputMeta(FBuildInputMetaResolvedParams&& Params)
{
if (Params.Status == EStatus::Canceled)
{
return CompleteWithError(ANSITEXTVIEW("Build was canceled."));
}
if (Params.Status == EStatus::Ok)
{
return CreateAction(Params.Inputs);
}
else
{
return CompleteWithError(ANSITEXTVIEW("Failed to resolve input metadata."));
}
}
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void FBuildJob::EnterResolveInputData()
{
FBuildSchedulerParams& SchedulerParams = Schedule->EditParameters();
SchedulerParams.MissingLocalInputsSize = 0;
SchedulerParams.MissingRemoteInputsSize = 0;
if (State == EBuildJobState::ResolveInputData)
{
MissingInputs.Reset();
Action.Get().IterateInputs([this, &SchedulerParams](FUtf8StringView Key, const FIoHash& RawHash, uint64 RawSize)
{
if (!Inputs || Inputs.Get().FindInput(Key).IsNull())
{
MissingInputs.Emplace(Key);
SchedulerParams.MissingLocalInputsSize += RawSize;
}
});
if (MissingInputs.IsEmpty())
{
return AdvanceToState(EBuildJobState::ExecuteLocal);
}
// Skip resolving input data if it will not be used anyway.
if (!EnumHasAnyFlags(BuildPolicy.GetCombinedPolicy() & Context->GetBuildPolicyMask(), EBuildPolicy::BuildLocal) &&
!EnumHasAnyFlags(BuildStatus, EBuildStatus::BuildTryExport))
{
return AdvanceToState(EBuildJobState::ExecuteLocal);
}
}
else
{
Action.Get().IterateInputs([this, &SchedulerParams](FUtf8StringView Key, const FIoHash& RawHash, uint64 RawSize)
{
if (MissingInputs.FindByKey(Key))
{
SchedulerParams.MissingRemoteInputsSize += RawSize;
}
});
}
checkf(!MissingInputs.IsEmpty(),
TEXT("Job is not expected to be in state %s without missing inputs for build of '%s' by %s."),
LexToString(State), *Name, *WriteToString<32>(FunctionName));
if (!InputResolver)
{
return CompleteWithError(ANSITEXTVIEW("Failed to resolve input data due to null input resolver."));
}
}
void FBuildJob::BeginResolveInputData()
{
TRACE_CPUPROFILER_EVENT_SCOPE(FBuildJob::ResolveInputData);
if (Definition)
{
InputResolver->ResolveInputData(Definition.Get(), Owner,
[this](FBuildInputDataResolvedParams&& Params) { EndResolveInputData(MoveTemp(Params)); },
[this](FUtf8StringView Key) { return !!Algo::Find(MissingInputs, Key); });
}
else
{
InputResolver->ResolveInputData(Action.Get(), Owner,
[this](FBuildInputDataResolvedParams&& Params) { EndResolveInputData(MoveTemp(Params)); },
[this](FUtf8StringView Key) { return !!Algo::Find(MissingInputs, Key); });
}
}
void FBuildJob::EndResolveInputData(FBuildInputDataResolvedParams&& Params)
{
if (Params.Status == EStatus::Canceled)
{
return CompleteWithError(ANSITEXTVIEW("Build was canceled."));
}
if (Params.Status == EStatus::Ok)
{
FBuildSchedulerParams& SchedulerParams = Schedule->EditParameters();
FBuildInputsBuilder Builder = BuildSystem.CreateInputs(Name);
for (const FBuildInputDataByKey& Input : Params.Inputs)
{
Builder.AddInput(Input.Key, Input.Data);
SchedulerParams.ResolvedInputsSize += Input.Data.GetRawSize();
}
if (Inputs)
{
Inputs.Get().IterateInputs([&Builder](FUtf8StringView Key, const FCompressedBuffer& Buffer)
{
Builder.AddInput(Key, Buffer);
});
}
return SetInputs(Builder.Build());
}
else
{
return CompleteWithError(ANSITEXTVIEW("Failed to resolve input data."));
}
}
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void FBuildJob::EnterExecuteRemote()
{
if (!EnumHasAnyFlags(BuildPolicy.GetCombinedPolicy() & Context->GetBuildPolicyMask(), EBuildPolicy::BuildRemote) ||
EnumHasAnyFlags(BuildStatus, EBuildStatus::BuildTryExport))
{
return AdvanceToState(EBuildJobState::ResolveInputData);
}
if (!Worker || !WorkerExecutor)
{
Worker = BuildSystem.GetWorkerRegistry().FindWorker(
Action.Get().GetFunction(),
Action.Get().GetFunctionVersion(),
Action.Get().GetBuildSystemVersion(),
WorkerExecutor);
}
if (!Worker || !WorkerExecutor)
{
return AdvanceToState(EBuildJobState::ResolveInputData);
}
}
void FBuildJob::BeginExecuteRemote()
{
TRACE_CPUPROFILER_EVENT_SCOPE(FBuildJob::ExecuteRemote);
checkf(Worker && WorkerExecutor, TEXT("Job requires a worker in state %s for build of '%s' by %s."),
LexToString(State), *Name, *WriteToString<32>(FunctionName));
EnumAddFlags(BuildStatus, EBuildStatus::BuildTryRemote);
FBuildPolicy RemoteBuildPolicy;
if (EBuildPolicy Mask = Context->GetBuildPolicyMask(); Mask == ~EBuildPolicy::None)
{
RemoteBuildPolicy = BuildPolicy;
}
else
{
RemoteBuildPolicy = BuildPolicy.Transform([Mask](EBuildPolicy Policy) { return Policy & Mask; });
}
WorkerExecutor->Build(Action.Get(), Inputs, RemoteBuildPolicy, *Worker, BuildSystem, Owner,
[this](FBuildWorkerActionCompleteParams&& Params) { EndExecuteRemote(MoveTemp(Params)); });
}
void FBuildJob::EndExecuteRemote(FBuildWorkerActionCompleteParams&& Params)
{
if (Params.Status == EStatus::Canceled)
{
return CompleteWithError(ANSITEXTVIEW("Build was canceled."));
}
if (Params.Output)
{
Output = MoveTemp(Params.Output).Get();
EnumAddFlags(BuildStatus, EBuildStatus::BuildRemote);
return AdvanceToState(EBuildJobState::CacheStore);
}
else
{
switch (State)
{
case EBuildJobState::ExecuteRemote:
case EBuildJobState::ExecuteRemoteWait:
MissingInputs = Params.MissingInputs;
if (!MissingInputs.IsEmpty())
{
MissingInputs.Sort();
return AdvanceToState(EBuildJobState::ResolveRemoteInputData);
}
[[fallthrough]];
case EBuildJobState::ExecuteRemoteRetry:
case EBuildJobState::ExecuteRemoteRetryWait:
default:
return AdvanceToState(EBuildJobState::ResolveInputData);
}
}
}
void FBuildJob::SkipExecuteRemote()
{
checkf(State == EBuildJobState::ResolveRemoteInputData ||
State == EBuildJobState::ExecuteRemote || State == EBuildJobState::ExecuteRemoteRetry,
TEXT("Job is not expecting SkipExecuteRemote to be called in state %s for build of '%s' by %s."),
LexToString(State), *Name, *WriteToString<32>(FunctionName));
return AdvanceToState(EBuildJobState::ResolveInputData);
}
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void FBuildJob::EnterExecuteLocal()
{
if (EnumHasAnyFlags(BuildStatus, EBuildStatus::BuildTryExport))
{
ExportBuild();
EnumAddFlags(BuildStatus, EBuildStatus::BuildExport);
}
const EBuildPolicy LocalBuildPolicy = BuildPolicy.GetCombinedPolicy() & Context->GetBuildPolicyMask();
if (!EnumHasAnyFlags(LocalBuildPolicy, EBuildPolicy::BuildLocal))
{
if (!EnumHasAnyFlags(LocalBuildPolicy, EBuildPolicy::BuildRemote))
{
return AdvanceToState(EBuildJobState::Complete);
}
else if (EnumHasAnyFlags(BuildStatus, EBuildStatus::BuildTryRemote))
{
return CompleteWithError(ANSITEXTVIEW("Failed because build policy does not allow local execution, "
"and remote execution failed to build."));
}
else
{
return CompleteWithError(ANSITEXTVIEW("Failed because build policy does not allow local execution, "
"and remote execution was not available."));
}
}
Action.Get().IterateInputs([this](FUtf8StringView Key, const FIoHash& RawHash, uint64 RawSize)
{
const FCompressedBuffer& Buffer = Inputs.Get().FindInput(Key);
if (Buffer.GetRawHash() == RawHash && Buffer.GetRawSize() == RawSize)
{
Context->AddInput(Key, Buffer);
}
else
{
CompleteWithError(WriteToUtf8String<256>(ANSITEXTVIEW("Failed because input '"), Key,
ANSITEXTVIEW("' with hash "), RawHash, ANSITEXTVIEW(" ("), RawSize,
ANSITEXTVIEW(" bytes) was resolved with hash "), Buffer.GetRawHash(),
ANSITEXTVIEW(" ("), Buffer.GetRawSize(), ANSITEXTVIEW(" bytes).")));
}
});
Action.Reset();
Inputs.Reset();
Schedule->EditParameters().ResolvedInputsSize = 0;
}
void FBuildJob::BeginExecuteLocal()
{
TRACE_CPUPROFILER_EVENT_SCOPE(FBuildJob::ExecuteLocal);
Context->BeginBuild(Owner, [this] { EndExecuteLocal(); });
}
void FBuildJob::EndExecuteLocal()
{
Output = OutputBuilder.Build();
EnumAddFlags(BuildStatus, EBuildStatus::BuildLocal);
return AdvanceToState(EBuildJobState::CacheStore);
}
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void FBuildJob::CreateAction(TConstArrayView<FBuildInputMetaByKey> InputMeta)
{
const FBuildDefinition& LocalDefinition = Definition.Get();
FBuildActionBuilder Builder = BuildSystem.CreateAction(Name, FunctionName);
LocalDefinition.IterateConstants([this, &Builder](FUtf8StringView Key, FCbObject&& Value)
{
Builder.AddConstant(Key, Value);
});
for (const FBuildInputMetaByKey& Input : InputMeta)
{
Builder.AddInput(Input.Key, Input.RawHash, Input.RawSize);
}
return SetAction(Builder.Build());
}
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void FBuildJob::SetDefinition(FBuildDefinition&& InDefinition)
{
Name = InDefinition.GetName();
FunctionName = InDefinition.GetFunction();
checkf(Definition.IsNull(), TEXT("Job already has a definition for build of '%s' by %s."),
*Name, *WriteToString<32>(FunctionName));
checkf(State == EBuildJobState::ResolveKey || State == EBuildJobState::ResolveKeyWait,
TEXT("Job is not expecting a definition in state %s for build of '%s' by %s."),
LexToString(State), *Name, *WriteToString<32>(FunctionName));
OutputBuilder = BuildSystem.CreateOutput(Name, FunctionName);
Definition = MoveTemp(InDefinition);
return AdvanceToState(EBuildJobState::ResolveInputMeta);
}
void FBuildJob::SetAction(FBuildAction&& InAction)
{
checkf(Action.IsNull(), TEXT("Job already has an action for build of '%s' by %s."),
*Name, *WriteToString<32>(FunctionName));
checkf(State == EBuildJobState::ResolveKey ||
State == EBuildJobState::ResolveInputMeta || State == EBuildJobState::ResolveInputMetaWait,
TEXT("Job is not expecting an action in state %s for build of '%s' by %s."),
LexToString(State), *Name, *WriteToString<32>(FunctionName));
Action = MoveTemp(InAction);
return AdvanceToState(EBuildJobState::CacheQuery);
}
void FBuildJob::SetInputs(FBuildInputs&& InInputs)
{
EBuildJobState ExecuteState;
switch (State)
{
case EBuildJobState::ResolveRemoteInputData:
case EBuildJobState::ResolveRemoteInputDataWait:
ExecuteState = EBuildJobState::ExecuteRemoteRetry;
break;
case EBuildJobState::ResolveInputData:
case EBuildJobState::ResolveInputDataWait:
ExecuteState = EBuildJobState::ExecuteLocal;
break;
default:
checkf(false, TEXT("Job is not expecting inputs in state %s for build of '%s' by %s."),
LexToString(State), *Name, *WriteToString<32>(FunctionName));
return;
}
Inputs = MoveTemp(InInputs);
FBuildSchedulerParams& SchedulerParams = Schedule->EditParameters();
SchedulerParams.MissingLocalInputsSize = 0;
SchedulerParams.MissingRemoteInputsSize = 0;
return AdvanceToState(ExecuteState);
}
void FBuildJob::SetOutput(const FBuildOutput& InOutput)
{
checkf(State == EBuildJobState::ResolveKey || State == EBuildJobState::ResolveInputMeta ||
State == EBuildJobState::CacheQuery || State == EBuildJobState::ResolveInputData ||
State == EBuildJobState::ExecuteRemote || State == EBuildJobState::ExecuteRemoteRetry ||
State == EBuildJobState::ExecuteLocal,
TEXT("Job is not expecting an output in state %s for build of '%s' by %s."),
LexToString(State), *Name, *WriteToString<32>(FunctionName));
checkf(Output.IsNull(), TEXT("Job already has an output for build of '%s' by %s."), *Name, *WriteToString<32>(FunctionName));
Output = InOutput;
return AdvanceToState(EBuildJobState::CacheStore);
}
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void FBuildJob::AdvanceToState(EBuildJobState NewState, FUtf8StringView NewError)
{
EBuildJobState OldState = EBuildJobState::Complete;
if (FWriteScopeLock WriteLock(Lock); NextState < NewState)
{
if (Owner.IsCanceled() && NewError.IsEmpty())
{
NewState = EBuildJobState::Complete;
NewError = ANSITEXTVIEW("Build was canceled.");
}
if (!NewError.IsEmpty() && Output.IsNull())
{
OutputBuilder.AddLog({ANSITEXTVIEW("LogDerivedDataBuild"), NewError, EBuildOutputLogLevel::Error});
}
NextState = NewState;
if (bInAdvanceToState)
{
return;
}
else
{
bInAdvanceToState = true;
OldState = State;
State = NewState;
}
}
while (OldState < NewState)
{
ExecuteTransition(OldState, NewState);
if (NewState == EBuildJobState::Complete)
{
return;
}
if (FWriteScopeLock WriteLock(Lock); NewState < NextState)
{
OldState = NewState;
NewState = NextState;
State = NewState;
}
else
{
bInAdvanceToState = false;
break;
}
}
if (OldState < NewState)
{
ExecuteState(NewState);
}
}
void FBuildJob::ExecuteTransition(EBuildJobState OldState, EBuildJobState NewState)
{
if (OldState == EBuildJobState::NotStarted)
{
BeginJob();
}
if (OldState < EBuildJobState::CacheQuery && EBuildJobState::CacheQuery <= NewState && NewState <= EBuildJobState::CacheStoreWait)
{
CreateContext();
}
if (OldState <= EBuildJobState::ExecuteRemoteRetryWait && EBuildJobState::ExecuteRemoteRetryWait < NewState)
{
Worker = nullptr;
WorkerExecutor = nullptr;
}
if (OldState <= EBuildJobState::ResolveInputDataWait && EBuildJobState::ResolveInputDataWait < NewState)
{
MissingInputs.Empty();
}
if (OldState <= EBuildJobState::ExecuteLocalWait && EBuildJobState::ExecuteLocalWait < NewState)
{
Definition.Reset();
Action.Reset();
Inputs.Reset();
if (Context)
{
Context->ResetInputs();
}
Schedule->EditParameters().ResolvedInputsSize = 0;
}
if (OldState < EBuildJobState::CacheStore && EBuildJobState::CacheStore <= NewState && !Output)
{
Output = OutputBuilder.Build();
}
if (NewState == EBuildJobState::Complete)
{
if (EnumHasAnyFlags(BuildStatus, EBuildStatus::BuildExport))
{
ExportBuildOutput();
}
if (OnComplete)
{
const FCacheKey& CacheKey = Context ? Context->GetCacheKey() : FCacheKey::Empty;
const EStatus Status = Owner.IsCanceled() ? EStatus::Canceled : Output.Get().HasError() ? EStatus::Error : EStatus::Ok;
OnComplete({CacheKey, FBuildOutput(Output.Get()), BuildStatus, Status});
OnComplete = nullptr;
}
Output.Reset();
Context = nullptr;
}
switch (NewState)
{
case EBuildJobState::ResolveKey: return EnterResolveKey();
case EBuildJobState::ResolveKeyWait: return BeginResolveKey();
case EBuildJobState::ResolveInputMeta: return EnterResolveInputMeta();
case EBuildJobState::ResolveInputMetaWait: return BeginResolveInputMeta();
case EBuildJobState::CacheQuery: return EnterCacheQuery();
case EBuildJobState::CacheQueryWait: return BeginCacheQuery();
case EBuildJobState::ExecuteRemote: return EnterExecuteRemote();
case EBuildJobState::ExecuteRemoteWait: return BeginExecuteRemote();
case EBuildJobState::ResolveRemoteInputData: return EnterResolveInputData();
case EBuildJobState::ResolveRemoteInputDataWait: return BeginResolveInputData();
case EBuildJobState::ExecuteRemoteRetry: return EnterExecuteRemote();
case EBuildJobState::ExecuteRemoteRetryWait: return BeginExecuteRemote();
case EBuildJobState::ResolveInputData: return EnterResolveInputData();
case EBuildJobState::ResolveInputDataWait: return BeginResolveInputData();
case EBuildJobState::ExecuteLocal: return EnterExecuteLocal();
case EBuildJobState::ExecuteLocalWait: return BeginExecuteLocal();
case EBuildJobState::CacheStore: return EnterCacheStore();
case EBuildJobState::CacheStoreWait: return BeginCacheStore();
case EBuildJobState::Complete: return EndJob();
}
}
void FBuildJob::ExecuteState(EBuildJobState NewState)
{
switch (NewState)
{
case EBuildJobState::ResolveKey: return Schedule->ScheduleResolveKey();
case EBuildJobState::ResolveInputMeta: return Schedule->ScheduleResolveInputMeta();
case EBuildJobState::CacheQuery: return Schedule->ScheduleCacheQuery();
case EBuildJobState::ExecuteRemote: return Schedule->ScheduleExecuteRemote();
case EBuildJobState::ResolveRemoteInputData: return Schedule->ScheduleResolveInputData();
case EBuildJobState::ExecuteRemoteRetry: return Schedule->ScheduleExecuteRemote();
case EBuildJobState::ResolveInputData: return Schedule->ScheduleResolveInputData();
case EBuildJobState::ExecuteLocal: return Schedule->ScheduleExecuteLocal();
case EBuildJobState::CacheStore: return Schedule->ScheduleCacheStore();
}
}
void FBuildJob::AppendExportPath(FStringBuilderBase& OutPath) const
{
// Export to <SavedDir>/DerivedDataBuildExport/<Bucket>[/<Function>]/<Action>
const FCacheKey& Key = Context->GetCacheKey();
FPathViews::Append(OutPath, FPaths::ProjectSavedDir(), TEXT("DerivedDataBuildExport"), Key.Bucket);
if (!Key.Bucket.ToString().Equals(FunctionName))
{
FPathViews::Append(OutPath, FunctionName);
}
FPathViews::Append(OutPath, Key.Hash);
}
void FBuildJob::ExportBuild() const
{
static constexpr uint64 MaxMetaConstantSize = 16 * 1024;
TStringBuilder<256> ExportPath;
AppendExportPath(ExportPath);
int32 ExportRootLen = ExportPath.Len();
TUtf8StringBuilder<512> Meta;
Meta << "Name: " << Name << LINE_TERMINATOR_ANSI;
Meta << "Cache: " << Context->GetCacheKey() << LINE_TERMINATOR_ANSI;
Meta << "Function: " << FunctionName << LINE_TERMINATOR_ANSI;
Meta << "FunctionVersion: " << Action.Get().GetFunctionVersion() << LINE_TERMINATOR_ANSI;
Meta << "BuildSystemVersion: " << Action.Get().GetBuildSystemVersion() << LINE_TERMINATOR_ANSI;
if (Action.Get().HasConstants())
{
Meta << "Constants:" << LINE_TERMINATOR_ANSI;
Action.Get().IterateConstants([&Meta](FUtf8StringView Key, FCbObject&& Value)
{
Meta << " " << Key << ":" LINE_TERMINATOR_ANSI;
Meta << " RawHash: " << FIoHash(Value.GetHash()) << LINE_TERMINATOR_ANSI;
Meta << " RawSize: " << Value.GetSize() << LINE_TERMINATOR_ANSI;
if (Value.GetSize() <= MaxMetaConstantSize)
{
Meta << " Value: ";
CompactBinaryToCompactJson(Value, Meta);
Meta << LINE_TERMINATOR_ANSI;
}
});
}
if (Action.Get().HasInputs())
{
Meta << "Inputs:" << LINE_TERMINATOR_ANSI;
Action.Get().IterateInputs([&Meta](FUtf8StringView Key, const FIoHash& RawHash, uint64 RawSize)
{
Meta << " " << Key << ":" LINE_TERMINATOR_ANSI;
Meta << " RawHash: " << RawHash << LINE_TERMINATOR_ANSI;
Meta << " RawSize: " << RawSize << LINE_TERMINATOR_ANSI;
});
}
FPathViews::Append(ExportPath, TEXT("Meta.yaml"));
if (TUniquePtr<FArchive> Ar{IFileManager::Get().CreateFileWriter(*ExportPath)})
{
Ar->Serialize(Meta.GetData(), Meta.Len());
}
ExportPath.RemoveSuffix(ExportPath.Len() - ExportRootLen);
FPathViews::Append(ExportPath, TEXT("Build.action"));
if (TUniquePtr<FArchive> Ar{IFileManager::Get().CreateFileWriter(*ExportPath)})
{
FCbWriter Writer;
Action.Get().Save(Writer);
Writer.Save(*Ar);
}
ExportPath.RemoveSuffix(ExportPath.Len() - ExportRootLen);
if (Inputs)
{
FPathViews::Append(ExportPath, TEXT("Inputs"));
ExportRootLen = ExportPath.Len();
Inputs.Get().IterateInputs([&ExportPath, ExportRootLen](FUtf8StringView Key, const FCompressedBuffer& Buffer)
{
FPathViews::Append(ExportPath, FIoHash(Buffer.GetRawHash()));
if (TUniquePtr<FArchive> Ar{IFileManager::Get().CreateFileWriter(*ExportPath)})
{
Buffer.Save(*Ar);
}
ExportPath.RemoveSuffix(ExportPath.Len() - ExportRootLen);
});
}
}
void FBuildJob::ExportBuildOutput() const
{
static bool bExportOutput = FParse::Param(FCommandLine::Get(), TEXT("ExportBuildOutput"));
if (!bExportOutput || !Output)
{
return;
}
const FBuildOutput& LocalOutput = Output.Get();
TStringBuilder<256> ExportPath;
AppendExportPath(ExportPath);
int32 ExportRootLen = ExportPath.Len();
TUtf8StringBuilder<512> Meta;
if (!Output.Get().GetValues().IsEmpty())
{
Meta << "Outputs:" << LINE_TERMINATOR_ANSI;
for (const FValueWithId& Value : Output.Get().GetValues())
{
Meta << " " << Value.GetId() << ":" LINE_TERMINATOR_ANSI;
Meta << " RawHash: " << Value.GetRawHash() << LINE_TERMINATOR_ANSI;
Meta << " RawSize: " << Value.GetRawSize() << LINE_TERMINATOR_ANSI;
}
}
if (!Output.Get().GetMessages().IsEmpty())
{
TCbWriter<256> MessageWriter;
Meta << "Messages:" << LINE_TERMINATOR_ANSI;
for (const FBuildOutputMessage& Message : Output.Get().GetMessages())
{
Meta << " - Level: " << Message.Level << LINE_TERMINATOR_ANSI;
Meta << " Message: ";
MessageWriter.AddString(Message.Message);
CompactBinaryToCompactJson(MessageWriter.Save(), Meta);
MessageWriter.Reset();
Meta << LINE_TERMINATOR_ANSI;
}
}
if (!Output.Get().GetLogs().IsEmpty())
{
TCbWriter<256> LogWriter;
Meta << "Logs:" << LINE_TERMINATOR_ANSI;
for (const FBuildOutputLog& Log : Output.Get().GetLogs())
{
Meta << " - Category: " << Log.Category << LINE_TERMINATOR_ANSI;
Meta << " Level: " << Log.Level << LINE_TERMINATOR_ANSI;
Meta << " Message: ";
LogWriter.AddString(Log.Message);
CompactBinaryToCompactJson(LogWriter.Save(), Meta);
LogWriter.Reset();
Meta << LINE_TERMINATOR_ANSI;
}
}
FPathViews::Append(ExportPath, TEXT("Meta.yaml"));
if (TUniquePtr<FArchive> Ar{IFileManager::Get().CreateFileWriter(*ExportPath, FILEWRITE_Append)})
{
Ar->Serialize(Meta.GetData(), Meta.Len());
}
ExportPath.RemoveSuffix(ExportPath.Len() - ExportRootLen);
FPathViews::Append(ExportPath, TEXT("Build.output"));
if (TUniquePtr<FArchive> Ar{IFileManager::Get().CreateFileWriter(*ExportPath)})
{
FCbWriter Writer;
Output.Get().Save(Writer);
Writer.Save(*Ar);
}
ExportPath.RemoveSuffix(ExportPath.Len() - ExportRootLen);
FPathViews::Append(ExportPath, TEXT("Outputs"));
ExportRootLen = ExportPath.Len();
for (const FValueWithId& Value : Output.Get().GetValues())
{
if (Value.GetData())
{
FPathViews::Append(ExportPath, FIoHash(Value.GetRawHash()));
if (TUniquePtr<FArchive> Ar{IFileManager::Get().CreateFileWriter(*ExportPath)})
{
Value.GetData().Save(*Ar);
}
ExportPath.RemoveSuffix(ExportPath.Len() - ExportRootLen);
}
}
}
bool FBuildJob::ShouldExportBuild() const
{
static bool bExportAll;
static TArray<FName> ExportTypes = ParseExportBuildTypes(bExportAll);
return bExportAll
|| Algo::BinarySearch(ExportTypes, FName(FUtf8StringView(FunctionName)), FNameFastLess()) != INDEX_NONE
|| Algo::BinarySearch(ExportTypes, FName(Context->GetCacheKey().Bucket.ToString()), FNameFastLess()) != INDEX_NONE;
}
TArray<FName> FBuildJob::ParseExportBuildTypes(bool& bOutExportAll)
{
TArray<FName> ExportTypes;
if (FString ExportTypesArg; FParse::Value(FCommandLine::Get(), TEXT("-ExportBuilds="), ExportTypesArg))
{
String::ParseTokens(ExportTypesArg, TEXT('+'), [&ExportTypes](FStringView Type) { ExportTypes.Emplace(Type); });
ExportTypes.Sort(FNameFastLess());
bOutExportAll = false;
}
else
{
bOutExportAll = FParse::Param(FCommandLine::Get(), TEXT("ExportBuilds"));
}
return ExportTypes;
}
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void CreateBuildJob(
const FBuildJobCreateParams& Params,
const FBuildKey& Key,
const FBuildPolicy& Policy,
FOnBuildComplete&& OnComplete)
{
new FBuildJob(Params, Key, Policy, MoveTemp(OnComplete));
}
void CreateBuildJob(
const FBuildJobCreateParams& Params,
const FBuildDefinition& Definition,
const FOptionalBuildInputs& Inputs,
const FBuildPolicy& Policy,
FOnBuildComplete&& OnComplete)
{
new FBuildJob(Params, Definition, Inputs, Policy, MoveTemp(OnComplete));
}
void CreateBuildJob(
const FBuildJobCreateParams& Params,
const FBuildAction& Action,
const FOptionalBuildInputs& Inputs,
const FBuildPolicy& Policy,
FOnBuildComplete&& OnComplete)
{
new FBuildJob(Params, Action, Inputs, Policy, MoveTemp(OnComplete));
}
} // UE::DerivedData::Private