FIoRequestImpl Class Reference

#include <IoDispatcherBackend.h>

Inheritance diagram for FIoRequestImpl:

Public Member Functions
	TSAN_ATOMIC (int32) Priority=0
	FIoRequestImpl (class FIoRequestAllocator &InAllocator)
bool	IsCancelled () const
bool	IsFailed () const
void	SetFailed ()
void	SetLastBackendError (EIoErrorCode InError)
bool	HasBuffer () const
CORE_API void	CreateBuffer (uint64 Size)
FIoBuffer &	GetBuffer ()
void	SetResult (FIoBuffer InBuffer)
uint64	GetStartTime () const

Public Attributes
FIoRequestImpl *	NextRequest = nullptr
void *	BackendData = nullptr
FIoChunkId	ChunkId
FIoReadOptions	Options

Friends
class	FIoDispatcherImpl
class	FIoRequest
class	FIoBatch
class	FIoRequestStats

Detailed Description

I/O request object.

Constructor & Destructor Documentation

FIoRequestImpl()

FIoRequestImpl::FIoRequestImpl ( class FIoRequestAllocator &  InAllocator )

inline

Member Function Documentation

CreateBuffer()

void FIoRequestImpl::CreateBuffer

(

uint64

Size

)

Creates a new buffer for the request.

GetBuffer()

FIoBuffer & FIoRequestImpl::GetBuffer ( )

inline

Returns the internal buffer.

GetStartTime()

uint64 FIoRequestImpl::GetStartTime ( ) const

inline

HasBuffer()

bool FIoRequestImpl::HasBuffer ( ) const

inline

Returns whether request has a valid buffer.

IsCancelled()

bool FIoRequestImpl::IsCancelled ( ) const

inline

Returns whether the request has been cancelled.

IsFailed()

bool FIoRequestImpl::IsFailed ( ) const

inline

Returns whether the request failed.

SetFailed()

void FIoRequestImpl::SetFailed ( )

inline

Mark the request as failed (EIoErrorCode::ReadError).

SetLastBackendError()

void FIoRequestImpl::SetLastBackendError ( EIoErrorCode  InError )

inline

SetResult()

void FIoRequestImpl::SetResult ( FIoBuffer  InBuffer )

inline

Sets a new buffer.

TSAN_ATOMIC()

FIoRequestImpl::TSAN_ATOMIC ( int32  )

pure virtual

I/O dispatcher priority (EIoDispatcherPriority).

Friends And Related Symbol Documentation

FIoBatch

friend class FIoBatch

friend

FIoDispatcherImpl

friend class FIoDispatcherImpl

friend

FIoRequest

friend class FIoRequest

friend

FIoRequestStats

friend class FIoRequestStats

friend

Member Data Documentation

BackendData

void* FIoRequestImpl::BackendData = nullptr

Custom data that can be used freely by the I/O dispatcher backend(s).

ChunkId

FIoChunkId FIoRequestImpl::ChunkId

The chunk ID.

NextRequest

FIoRequestImpl* FIoRequestImpl::NextRequest = nullptr

Pointer to the next request that can be used freely by the I/O dispatcher backend(s).

Options

FIoReadOptions FIoRequestImpl::Options

Read options.

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The documentation for this class was generated from the following files:

• Engine/Source/Runtime/Core/Public/IO/IoDispatcherBackend.h
• Engine/Source/Runtime/Core/Private/IO/IoDispatcher.cpp