zypp::detail::zckstreambufimpl Class Reference

Streambuffer reading or writing zchunk files. More...

#include <base/zckstream.h>

Public Types
using	error_type = std::string

Public Member Functions
	~zckstreambufimpl ()
bool	isOpen () const
bool	canRead () const
bool	canWrite () const
bool	canSeek (std::ios_base::seekdir way_r) const
std::streamsize	readData (char *buffer_r, std::streamsize maxcount_r)
bool	writeData (const char *buffer_r, std::streamsize count_r)
off_t	seekTo (off_t off_r, std::ios_base::seekdir way_r, std::ios_base::openmode omode_r)
off_t	tell () const
error_type	error () const

Protected Member Functions
bool	openImpl (const char *name_r, std::ios_base::openmode mode_r)
bool	closeImpl ()

Private Member Functions
void	setError ()

Private Attributes
int	_fd = -1
bool	_isReading = false
zckCtx *	_zContext = nullptr
off_t	_currfp = 0
error_type	_lastErr

Detailed Description

Streambuffer reading or writing zchunk files.

Read and write mode are mutual exclusive. Seek is not supported.

This streambuf is used in ifzckstream and ofzckstream.

Definition at line 31 of file zckstream.h.

Member Typedef Documentation

error_type

using zypp::detail::zckstreambufimpl::error_type = std::string

Definition at line 34 of file zckstream.h.

Constructor & Destructor Documentation

~zckstreambufimpl()

zypp::detail::zckstreambufimpl::~zckstreambufimpl

(

)

Definition at line 26 of file zckstream.cc.

Member Function Documentation

isOpen()

bool zypp::detail::zckstreambufimpl::isOpen

(

)

const

Definition at line 132 of file zckstream.cc.

canRead()

bool zypp::detail::zckstreambufimpl::canRead

(

)

const

Definition at line 137 of file zckstream.cc.

canWrite()

bool zypp::detail::zckstreambufimpl::canWrite

(

)

const

Definition at line 142 of file zckstream.cc.

canSeek()

bool zypp::detail::zckstreambufimpl::canSeek

(

std::ios_base::seekdir

way_r

)

const

Definition at line 147 of file zckstream.cc.

readData()

std::streamsize zypp::detail::zckstreambufimpl::readData	(	char *	buffer_r,
		std::streamsize	maxcount_r
	)

Definition at line 104 of file zckstream.cc.

writeData()

bool zypp::detail::zckstreambufimpl::writeData	(	const char *	buffer_r,
		std::streamsize	count_r
	)

Definition at line 118 of file zckstream.cc.

seekTo()

off_t zypp::detail::zckstreambufimpl::seekTo	(	off_t	off_r,
		std::ios_base::seekdir	way_r,
		std::ios_base::openmode	omode_r
	)

Definition at line 152 of file zckstream.cc.

tell()

off_t zypp::detail::zckstreambufimpl::tell

(

)

const

Definition at line 157 of file zckstream.cc.

error()

error_type zypp::detail::zckstreambufimpl::error ( ) const

inline

Definition at line 48 of file zckstream.h.

openImpl()

bool zypp::detail::zckstreambufimpl::openImpl ( const char *  name_r, std::ios_base::openmode  mode_r  )

protected

Definition at line 31 of file zckstream.cc.

closeImpl()

bool zypp::detail::zckstreambufimpl::closeImpl ( )

protected

Definition at line 77 of file zckstream.cc.

setError()

void zypp::detail::zckstreambufimpl::setError ( )

private

Definition at line 96 of file zckstream.cc.

Member Data Documentation

_fd

int zypp::detail::zckstreambufimpl::_fd = -1

private

Definition at line 56 of file zckstream.h.

_isReading

bool zypp::detail::zckstreambufimpl::_isReading = false

private

Definition at line 57 of file zckstream.h.

_zContext

zckCtx* zypp::detail::zckstreambufimpl::_zContext = nullptr

private

Definition at line 58 of file zckstream.h.

_currfp

off_t zypp::detail::zckstreambufimpl::_currfp = 0

private

Definition at line 59 of file zckstream.h.

_lastErr

error_type zypp::detail::zckstreambufimpl::_lastErr

private

Definition at line 60 of file zckstream.h.

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

• zypp-core/base/zckstream.h
• zypp-core/base/zckstream.cc