System.IO.BufferedStream Class Reference

Public Member Functions
	BufferedStream (Stream stream)
	BufferedStream (Stream stream, int bufferSize)
override async ValueTask	DisposeAsync ()
override void	Flush ()
override Task	FlushAsync (CancellationToken cancellationToken)
override int	Read (byte[] buffer, int offset, int count)
override int	Read (Span< byte > destination)
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 int	ReadByte ()
override void	Write (byte[] buffer, int offset, int count)
override void	Write (ReadOnlySpan< byte > buffer)
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	WriteByte (byte value)
override long	Seek (long offset, SeekOrigin origin)
override void	SetLength (long value)
override void	CopyTo (Stream destination, int bufferSize)
override Task	CopyToAsync (Stream destination, int bufferSize, CancellationToken cancellationToken)
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 ()
Task< int >	ReadAsync (byte[] buffer, int offset, int count)
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
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
Stream	UnderlyingStream [get]
int	BufferSize [get]
override bool	CanRead [get]
override bool	CanWrite [get]
override bool	CanSeek [get]
override long	Length [get]
override long	Position [get, set]
virtual bool	CanTimeout [get]
virtual int	ReadTimeout [get, set]
virtual int	WriteTimeout [get, set]

Private Member Functions
void	EnsureNotClosed ()
void	EnsureCanSeek ()
void	EnsureCanRead ()
void	EnsureCanWrite ()
void	EnsureShadowBufferAllocated ()
void	EnsureBufferAllocated ()
async Task	FlushAsyncInternal (CancellationToken cancellationToken)
void	FlushRead ()
void	ClearReadBufferBeforeWrite ()
void	FlushWrite ()
async ValueTask	FlushWriteAsync (CancellationToken cancellationToken)
int	ReadFromBuffer (byte[] buffer, int offset, int count)
int	ReadFromBuffer (Span< byte > destination)
int	ReadFromBuffer (byte[] buffer, int offset, int count, out Exception error)
Task< int >	LastSyncCompletedReadTask (int val)
async ValueTask< int >	ReadFromUnderlyingStreamAsync (Memory< byte > buffer, CancellationToken cancellationToken, int bytesAlreadySatisfied, Task semaphoreLockTask)
int	ReadByteSlow ()
void	WriteToBuffer (byte[] buffer, ref int offset, ref int count)
int	WriteToBuffer (ReadOnlySpan< byte > buffer)
async ValueTask	WriteToUnderlyingStreamAsync (ReadOnlyMemory< byte > buffer, CancellationToken cancellationToken, Task semaphoreLockTask)
void	WriteByteSlow (byte value)
async Task	CopyToAsyncCore (Stream destination, int bufferSize, CancellationToken cancellationToken)
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
Stream	_stream
byte[]	_buffer
readonly int	_bufferSize
int	_readPos
int	_readLen
int	_writePos
Task< int >	_lastSyncCompletedReadTask

Detailed Description

Definition at line 6 of file BufferedStream.cs.

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

• source/System.Private.CoreLib/System.IO/BufferedStream.cs