System.IO.Strategies.BufferedFileStreamStrategy Class Reference

Classes
struct	_003CReadAsyncSlowPath_003Ed__39
struct	_003CWriteAsyncSlowPath_003Ed__50

Public Member Functions
override async ValueTask	DisposeAsync ()
override int	Read (byte[] buffer, int offset, int count)
override int	Read (Span< byte > destination)
override int	ReadByte ()
override Task< int >	ReadAsync (byte[] buffer, int offset, int count, CancellationToken cancellationToken)
override ValueTask< int >	ReadAsync (Memory< byte > buffer, CancellationToken cancellationToken=default(CancellationToken))
override IAsyncResult	BeginRead (byte[] buffer, int offset, int count, AsyncCallback callback, object state)
override int	EndRead (IAsyncResult asyncResult)
override void	Write (byte[] buffer, int offset, int count)
override void	Write (ReadOnlySpan< byte > buffer)
override void	WriteByte (byte value)
override Task	WriteAsync (byte[] buffer, int offset, int count, CancellationToken cancellationToken)
override ValueTask	WriteAsync (ReadOnlyMemory< byte > buffer, CancellationToken cancellationToken=default(CancellationToken))
override IAsyncResult	BeginWrite (byte[] buffer, int offset, int count, AsyncCallback callback, object state)
override void	EndWrite (IAsyncResult asyncResult)
override void	SetLength (long value)
override void	Flush ()
override Task	FlushAsync (CancellationToken cancellationToken)
override Task	CopyToAsync (Stream destination, int bufferSize, CancellationToken cancellationToken)
override void	CopyTo (Stream destination, int bufferSize)
override long	Seek (long offset, SeekOrigin origin)
void	CopyTo (Stream destination)
Task	CopyToAsync (Stream destination)
Task	CopyToAsync (Stream destination, int bufferSize)
Task	CopyToAsync (Stream destination, CancellationToken cancellationToken)
void	Dispose ()
virtual void	Close ()
Task	FlushAsync ()
virtual IAsyncResult	BeginRead (byte[] buffer, int offset, int count, AsyncCallback? callback, object? state)
Task< int >	ReadAsync (byte[] buffer, int offset, int count)
virtual IAsyncResult	BeginWrite (byte[] buffer, int offset, int count, AsyncCallback? callback, object? state)
Task	WriteAsync (byte[] buffer, int offset, int count)
object	GetLifetimeService ()
virtual object	InitializeLifetimeService ()

Static Public Member Functions
static Stream	Synchronized (Stream stream)

Static Public Attributes
static readonly Stream	Null = new NullStream()

Protected Member Functions
override void	Dispose (bool disposing)
SemaphoreSlim	EnsureAsyncActiveSemaphoreInitialized ()
virtual WaitHandle	CreateWaitHandle ()
virtual void	ObjectInvariant ()
MarshalByRefObject	MemberwiseClone (bool cloneIdentity)

Static Protected Member Functions
static void	ValidateBufferArguments (byte[] buffer, int offset, int count)
static void	ValidateCopyToArguments (Stream destination, int bufferSize)

Protected Attributes
SemaphoreSlim	_asyncActiveSemaphore

Package Functions
	BufferedFileStreamStrategy (FileStreamStrategy strategy, int bufferSize)
override void	DisposeInternal (bool disposing)
override void	Flush (bool flushToDisk)
override void	Lock (long position, long length)
override void	Unlock (long position, long length)
Task< int >	BeginReadInternal (byte[] buffer, int offset, int count, AsyncCallback callback, object state, bool serializeAsynchronously, bool apm)
Task	BeginWriteInternal (byte[] buffer, int offset, int count, AsyncCallback callback, object state, bool serializeAsynchronously, bool apm)

Properties
override bool	CanRead [get]
override bool	CanWrite [get]
override bool	CanSeek [get]
override long	Length [get]
override long	Position [get, set]
override bool	IsAsync [get]
override bool	IsClosed [get]
override string	Name [get]
override SafeFileHandle	SafeFileHandle [get]
IntPtr	Handle [get]
virtual bool	CanTimeout [get]
virtual int	ReadTimeout [get, set]
virtual int	WriteTimeout [get, set]

Private Member Functions
	~BufferedFileStreamStrategy ()
int	ReadSpan (Span< byte > destination, ArraySegment< byte > arraySegment)
int	ReadByteSlow ()
async ValueTask< int >	ReadFromNonSeekableAsync (Memory< byte > destination, CancellationToken cancellationToken)
ValueTask< int >	ReadAsyncSlowPath (Task semaphoreLockTask, Memory< byte > buffer, CancellationToken cancellationToken)
void	WriteSpan (ReadOnlySpan< byte > source, ArraySegment< byte > arraySegment)
void	WriteByteSlow (byte value)
async ValueTask	WriteToNonSeekableAsync (ReadOnlyMemory< byte > source, CancellationToken cancellationToken)
ValueTask	WriteAsyncSlowPath (Task semaphoreLockTask, ReadOnlyMemory< byte > source, CancellationToken cancellationToken)
async Task	FlushAsyncInternal (CancellationToken cancellationToken)
async Task	CopyToAsyncCore (Stream destination, int bufferSize, CancellationToken cancellationToken)
void	FlushRead ()
void	FlushWrite ()
void	ClearReadBufferBeforeWrite ()
void	EnsureNotClosed ()
void	EnsureCanSeek ()
void	EnsureCanRead ()
void	EnsureCanWrite ()
void	EnsureBufferAllocated ()
void	AllocateBuffer ()
bool	HasOverriddenBeginEndRead ()
bool	HasOverriddenBeginEndWrite ()
int	GetCopyBufferSize ()
Task< int >	BeginEndReadAsync (byte[] buffer, int offset, int count)
void	FinishTrackingAsyncOperation (ReadWriteTask task)
Task	BeginEndWriteAsync (byte[] buffer, int offset, int count)

Static Private Member Functions
static void	RunReadWriteTaskWhenReady (Task asyncWaiter, ReadWriteTask readWriteTask)
static void	RunReadWriteTask (ReadWriteTask readWriteTask)
static async Task	FinishWriteAsync (Task writeTask, byte[] localBuffer)

Private Attributes
readonly FileStreamStrategy	_strategy
readonly int	_bufferSize
byte[]	_buffer
int	_writePos
int	_readPos
int	_readLen
Task< int >	_lastSyncCompletedReadTask

Detailed Description

Definition at line 11 of file BufferedFileStreamStrategy.cs.

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

• source/System.Private.CoreLib/System.IO.Strategies/BufferedFileStreamStrategy.cs