joedb::Windows_Handle Class Reference

#include <joedb/journal/Windows_File.h>

Inheritance diagram for joedb::Windows_Handle:

Collaboration diagram for joedb::Windows_Handle:

Public Member Functions
	Windows_Handle (const char *file_name, Open_Mode mode)
	Windows_Handle (const Windows_Handle &)=delete
Windows_Handle &	operator= (const Windows_Handle &)=delete
int64_t	get_size () const override
	Get the size of the file, or -1 if it is unknown.
size_t	pread (char *data, size_t size, int64_t offset) const override
	Read a range of bytes.
void	pwrite (const char *data, size_t size, int64_t offset) override
	Write a range of bytes. Extend file size if necessary.
void	sync () override
	Write data durably (including file-size change)
void	shared_lock (int64_t start, int64_t size) override
	Lock a range of bytes for reading (prevents writes, not reads)
void	exclusive_lock (int64_t start, int64_t size) override
	Lock a range of bytes for writing (prevents both writes and reads)
void	unlock (int64_t start, int64_t size) noexcept override
	Remove a lock. The range should match the range of a corresponding lock.
	~Windows_Handle () override
Public Member Functions inherited from joedb::Abstract_File
	Abstract_File (Open_Mode mode)
bool	is_shared () const noexcept
bool	is_readonly () const noexcept
Open_Mode	get_mode () const noexcept
void	full_pread (char *data, size_t size, int64_t offset) const
	Fill the buffer, or throw if the end of the file is reached.
virtual void	datasync ()
	Write data durably (no file-size change)
void	exclusive_lock_tail ()
void	unlock_tail () noexcept
void	exclusive_lock_head ()
void	shared_lock_head ()
void	unlock_head () noexcept
std::string	read_blob (Blob blob, int64_t max_size=-1) const
virtual void	copy_to (Abstract_File &destination, int64_t start, int64_t size) const
virtual bool	equal_to (const Abstract_File &destination, int64_t from, int64_t until) const
void	copy_to (Abstract_File &destination) const
virtual	~Abstract_File ()=default

Additional Inherited Members
Static Public Member Functions inherited from joedb::Abstract_File
static void	reading_past_end_of_file ()
Protected Member Functions inherited from joedb::Abstract_File
void	make_readonly ()
void	make_writable ()
Static Protected Attributes inherited from joedb::Abstract_File
static constexpr int64_t	last_position = (1ULL << 63) - 1

Detailed Description

Definition at line 11 of file Windows_File.h.

Constructor & Destructor Documentation

Windows_Handle() [1/2]

joedb::Windows_Handle::Windows_Handle	(	const char *	file_name,
		Open_Mode	mode
	)

Definition at line 229 of file Windows_File.cpp.

Windows_Handle() [2/2]

joedb::Windows_Handle::Windows_Handle ( const Windows_Handle &  )

delete

~Windows_Handle()

joedb::Windows_Handle::~Windows_Handle ( )

override

Definition at line 274 of file Windows_File.cpp.

Member Function Documentation

exclusive_lock()

void joedb::Windows_Handle::exclusive_lock ( int64_t  start, int64_t  size  )

overridevirtual

Reimplemented from joedb::Abstract_File.

Definition at line 147 of file Windows_File.cpp.

get_size()

int64_t joedb::Windows_Handle::get_size ( ) const

overridevirtual

Reimplemented from joedb::Abstract_File.

Definition at line 260 of file Windows_File.cpp.

operator=()

Windows_Handle & joedb::Windows_Handle::operator= ( const Windows_Handle &  )

delete

pread()

size_t joedb::Windows_Handle::pread ( char *  data, size_t  size, int64_t  offset  ) const

overridevirtual

The returned value may be less than size, even if the end of the file is not reached. 0 is returned if the end of the file is reached.

Reimplemented from joedb::Abstract_File.

Definition at line 162 of file Windows_File.cpp.

pwrite()

void joedb::Windows_Handle::pwrite ( const char *  data, size_t  size, int64_t  offset  )

overridevirtual

Reimplemented from joedb::Abstract_File.

Definition at line 184 of file Windows_File.cpp.

shared_lock()

void joedb::Windows_Handle::shared_lock ( int64_t  start, int64_t  size  )

overridevirtual

Reimplemented from joedb::Abstract_File.

Definition at line 139 of file Windows_File.cpp.

sync()

void joedb::Windows_Handle::sync ( )

overridevirtual

Reimplemented from joedb::Abstract_File.

Definition at line 221 of file Windows_File.cpp.

unlock()

void joedb::Windows_Handle::unlock ( int64_t  start, int64_t  size  )

overridevirtualnoexcept

Reimplemented from joedb::Abstract_File.

Definition at line 155 of file Windows_File.cpp.

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

• /home/rcoulom/repos/joedb/src/joedb/journal/Windows_File.h
• /home/rcoulom/repos/joedb/src/joedb/journal/Windows_File.cpp