System.IO.Compression.DeflateStream Class Reference

Classes
class	CopyToStream

Public Member Functions
	DeflateStream (Stream stream, CompressionMode mode)
	DeflateStream (Stream stream, CompressionMode mode, bool leaveOpen)
	DeflateStream (Stream stream, CompressionLevel compressionLevel)
	DeflateStream (Stream stream, CompressionLevel compressionLevel, bool leaveOpen)
override void	Flush ()
override Task	FlushAsync (CancellationToken cancellationToken)
override long	Seek (long offset, SeekOrigin origin)
override void	SetLength (long value)
override int	ReadByte ()
override int	Read (byte[] buffer, int offset, int count)
override int	Read (Span< byte > buffer)
override IAsyncResult	BeginRead (byte[] buffer, int offset, int count, AsyncCallback? asyncCallback, object? asyncState)
override int	EndRead (IAsyncResult asyncResult)
override Task< int >	ReadAsync (byte[] buffer, int offset, int count, CancellationToken cancellationToken)
override ValueTask< int >	ReadAsync (Memory< byte > buffer, CancellationToken cancellationToken=default(CancellationToken))
override void	Write (byte[] buffer, int offset, int count)
override void	Write (ReadOnlySpan< byte > buffer)
override ValueTask	DisposeAsync ()
override IAsyncResult	BeginWrite (byte[] buffer, int offset, int count, AsyncCallback? asyncCallback, object? asyncState)
override void	EndWrite (IAsyncResult asyncResult)
override Task	WriteAsync (byte[] buffer, int offset, int count, CancellationToken cancellationToken)
override ValueTask	WriteAsync (ReadOnlyMemory< byte > buffer, CancellationToken cancellationToken)
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)
virtual void	WriteByte (byte value)
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
	DeflateStream (Stream stream, CompressionMode mode, long uncompressedSize)
	DeflateStream (Stream stream, CompressionMode mode, bool leaveOpen, int windowBits, long uncompressedSize=-1L)
	DeflateStream (Stream stream, CompressionLevel compressionLevel, bool leaveOpen, int windowBits)
void	InitializeDeflater (Stream stream, bool leaveOpen, int windowBits, CompressionLevel compressionLevel)
int	ReadCore (Span< byte > buffer)
ValueTask< int >	ReadAsyncMemory (Memory< byte > buffer, CancellationToken cancellationToken)
unsafe void	WriteCore (ReadOnlySpan< byte > buffer)
ValueTask	WriteAsyncMemory (ReadOnlyMemory< byte > buffer, CancellationToken cancellationToken)
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	BaseStream [get]
override bool	CanRead [get]
override bool	CanWrite [get]
override bool	CanSeek [get]
override long	Length [get]
override long	Position [get, set]
bool	InflatorIsFinished [get]
bool	AsyncOperationIsActive [get]
virtual bool	CanTimeout [get]
virtual int	ReadTimeout [get, set]
virtual int	WriteTimeout [get, set]

Private Member Functions
void	InitializeBuffer ()
void	EnsureBufferInitialized ()
void	EnsureNotDisposed ()
void	EnsureDecompressionMode ()
void	EnsureCompressionMode ()
void	WriteDeflaterOutput ()
void	FlushBuffers ()
void	PurgeBuffers (bool disposing)
async ValueTask	PurgeBuffersAsync ()
async ValueTask	WriteDeflaterOutputAsync (CancellationToken cancellationToken)
void	EnsureNoActiveAsyncOperation ()
void	AsyncOperationStarting ()
void	AsyncOperationCompleting ()
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	ThrowGenericInvalidData ()
static void	ThrowInvalidBeginCall ()
static void	RunReadWriteTaskWhenReady (Task asyncWaiter, ReadWriteTask readWriteTask)
static void	RunReadWriteTask (ReadWriteTask readWriteTask)
static async Task	FinishWriteAsync (Task writeTask, byte[] localBuffer)

Private Attributes
Stream	_stream
CompressionMode	_mode
bool	_leaveOpen
Inflater	_inflater
Deflater	_deflater
byte[]	_buffer
int	_activeAsyncOperation
bool	_wroteBytes

Detailed Description

Definition at line 9 of file DeflateStream.cs.

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

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