System.IO.Compression.PositionPreservingWriteOnlyStreamWrapper Class Reference

Public Member Functions
	PositionPreservingWriteOnlyStreamWrapper (Stream stream)
override void	Write (byte[] buffer, int offset, int count)
override void	Write (ReadOnlySpan< byte > buffer)
override IAsyncResult	BeginWrite (byte[] buffer, int offset, int count, AsyncCallback callback, object state)
override void	EndWrite (IAsyncResult asyncResult)
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 void	Flush ()
override Task	FlushAsync (CancellationToken cancellationToken)
override void	Close ()
override long	Seek (long offset, SeekOrigin origin)
override void	SetLength (long value)
override int	Read (byte[] buffer, int offset, int count)
void	CopyTo (Stream destination)
virtual void	CopyTo (Stream destination, int bufferSize)
Task	CopyToAsync (Stream destination)
Task	CopyToAsync (Stream destination, int bufferSize)
Task	CopyToAsync (Stream destination, CancellationToken cancellationToken)
virtual Task	CopyToAsync (Stream destination, int bufferSize, CancellationToken cancellationToken)
void	Dispose ()
virtual ValueTask	DisposeAsync ()
Task	FlushAsync ()
virtual IAsyncResult	BeginRead (byte[] buffer, int offset, int count, AsyncCallback? callback, object? state)
virtual int	EndRead (IAsyncResult asyncResult)
Task< int >	ReadAsync (byte[] buffer, int offset, int count)
virtual Task< int >	ReadAsync (byte[] buffer, int offset, int count, CancellationToken cancellationToken)
virtual ValueTask< int >	ReadAsync (Memory< byte > buffer, CancellationToken cancellationToken=default(CancellationToken))
virtual IAsyncResult	BeginWrite (byte[] buffer, int offset, int count, AsyncCallback? callback, object? state)
Task	WriteAsync (byte[] buffer, int offset, int count)
virtual int	Read (Span< byte > buffer)
virtual int	ReadByte ()
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
override bool	CanRead [get]
override bool	CanSeek [get]
override bool	CanWrite [get]
override long	Position [get, set]
override bool	CanTimeout [get]
override int	ReadTimeout [get, set]
override int	WriteTimeout [get, set]
override long	Length [get]

Private Member Functions
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 Stream	_stream
long	_position

Detailed Description

Definition at line 6 of file PositionPreservingWriteOnlyStreamWrapper.cs.

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

• source/System.IO.Compression/System.IO.Compression/PositionPreservingWriteOnlyStreamWrapper.cs