cuttlefish::ReaderWriterSeeker Class Reference

#include <io.h>

Inheritance diagram for cuttlefish::ReaderWriterSeeker:

Collaboration diagram for cuttlefish::ReaderWriterSeeker:

Public Member Functions
Result< void >	Visit (IoVisitor &) override
Result< uint64_t >	Read (void *buf, uint64_t count) override=0
Result< uint64_t >	Write (const void *buf, uint64_t count) override=0
Result< uint64_t >	SeekSet (uint64_t offset) override=0
Result< uint64_t >	SeekCur (int64_t offset) override=0
Result< uint64_t >	SeekEnd (int64_t offset) override=0
Result< uint64_t >	PRead (void *buf, uint64_t count, uint64_t offset) const override=0
Result< uint64_t >	PWrite (const void *buf, uint64_t count, uint64_t offset) override=0
Result< void >	Truncate (uint64_t size) override
Result< void >	Visit (IoVisitor &) override
virtual Result< uint64_t >	PRead (void *buf, uint64_t count, uint64_t offset) const =0
Public Member Functions inherited from cuttlefish::Reader
virtual	~Reader ()=default
Result< void >	Visit (IoVisitor &) override
virtual Result< uint64_t >	Read (void *buf, uint64_t count)=0
Public Member Functions inherited from cuttlefish::IoVisitable
virtual	~IoVisitable ()=default
virtual Result< void >	Visit (IoVisitor &)=0
Public Member Functions inherited from cuttlefish::Seeker
virtual	~Seeker ()=default
Result< void >	Visit (IoVisitor &) override
virtual Result< uint64_t >	SeekSet (uint64_t offset)=0
virtual Result< uint64_t >	SeekCur (int64_t offset)=0
virtual Result< uint64_t >	SeekEnd (int64_t offset)=0
Result< void >	Visit (IoVisitor &) override
virtual Result< uint64_t >	PWrite (const void *buf, uint64_t count, uint64_t offset)=0
virtual Result< void >	Truncate (uint64_t size)
Public Member Functions inherited from cuttlefish::Writer
virtual	~Writer ()=default
Result< void >	Visit (IoVisitor &) override
virtual Result< uint64_t >	Write (const void *buf, uint64_t count)=0

Member Function Documentation

PRead()

Result< uint64_t > cuttlefish::ReaderWriterSeeker::PRead ( void *  buf, uint64_t  count, uint64_t  offset  ) const

overridepure virtual

Implements cuttlefish::ReaderSeeker.

Implemented in cuttlefish::Fd, cuttlefish::anonymous_namespace{in_memory.cc}::InMemoryIo, and cuttlefish::SharedFdIo.

PWrite()

Result< uint64_t > cuttlefish::ReaderWriterSeeker::PWrite ( const void *  buf, uint64_t  count, uint64_t  offset  )

overridepure virtual

Implements cuttlefish::WriterSeeker.

Implemented in cuttlefish::Fd, cuttlefish::anonymous_namespace{in_memory.cc}::InMemoryIo, and cuttlefish::SharedFdIo.

Read()

Result< uint64_t > cuttlefish::ReaderWriterSeeker::Read ( void *  buf, uint64_t  count  )

overridepure virtual

Implements cuttlefish::Reader.

Implemented in cuttlefish::Fd, cuttlefish::anonymous_namespace{in_memory.cc}::InMemoryIo, and cuttlefish::SharedFdIo.

SeekCur()

Result< uint64_t > cuttlefish::ReaderWriterSeeker::SeekCur ( int64_t  offset )

overridepure virtual

Implements cuttlefish::Seeker.

Implemented in cuttlefish::anonymous_namespace{in_memory.cc}::InMemoryIo, cuttlefish::SharedFdIo, and cuttlefish::Fd.

SeekEnd()

Result< uint64_t > cuttlefish::ReaderWriterSeeker::SeekEnd ( int64_t  offset )

overridepure virtual

Implements cuttlefish::Seeker.

Implemented in cuttlefish::anonymous_namespace{in_memory.cc}::InMemoryIo, cuttlefish::SharedFdIo, and cuttlefish::Fd.

SeekSet()

Result< uint64_t > cuttlefish::ReaderWriterSeeker::SeekSet ( uint64_t  offset )

overridepure virtual

Implements cuttlefish::Seeker.

Implemented in cuttlefish::anonymous_namespace{in_memory.cc}::InMemoryIo, cuttlefish::SharedFdIo, and cuttlefish::Fd.

Truncate()

Result< void > cuttlefish::ReaderWriterSeeker::Truncate ( uint64_t  size )

overridevirtual

Reimplemented from cuttlefish::WriterSeeker.

Reimplemented in cuttlefish::SharedFdIo.

Visit()

Result< void > cuttlefish::ReaderWriterSeeker::Visit ( IoVisitor &  visitor )

overridevirtual

Reimplemented from cuttlefish::ReaderSeeker.

Reimplemented in cuttlefish::SharedFdIo.

Write()

Result< uint64_t > cuttlefish::ReaderWriterSeeker::Write ( const void *  buf, uint64_t  count  )

overridepure virtual

Implements cuttlefish::Writer.

Implemented in cuttlefish::Fd, cuttlefish::anonymous_namespace{in_memory.cc}::InMemoryIo, and cuttlefish::SharedFdIo.

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

• cuttlefish/io/io.h
• cuttlefish/io/io.cc