Span Struct Reference

#include <I_Store.h>

Public Member Functions
	SLINK (Span, link)
bool	is_mmapable ()
void	set_mmapable (bool s)
int64_t	size ()
int64_t	total_blocks ()
Span *	nth (int i)
int	paths ()
int	write (int fd)
int	read (int fd)
Span *	dup ()
	Duplicate this span and all chained spans.
int64_t	end ()
const char *	init (char *n, int64_t size)
int	path (char *filename, int64_t *offset, char *buf, int buflen)
void	hash_base_string_set (char const *s)
	Set the hash seed string.
void	volume_number_set (int n)
	Set the volume number.
	Span ()
	Span (Span const &that)
	Copy constructor.
	~Span ()
Data Fields
int64_t	blocks
int64_t	offset
int	hw_sector_size
int	alignment
int	disk_id
int	forced_volume_num
	Force span in to specific volume.
bool	file_pathname
bool	isRaw
ats_scoped_str	pathname
ats_scoped_str	hash_base_string
	Used to seed the stripe assignment hash.

---

Detailed Description

Definition at line 44 of file I_Store.h.

---

Constructor & Destructor Documentation

Span::Span

(

)

[inline]

Definition at line 106 of file I_Store.h.

Referenced by dup().

Span::Span

(

Span const &

that

)

[inline]

Copy constructor.

Definition at line 121 of file I_Store.h.

References ats_strdup, hash_base_string, memcpy, and pathname.

Span::~Span

(

)

Definition at line 231 of file Store.cc.

---

Member Function Documentation

Span * Span::dup

(

)

Duplicate this span and all chained spans.

Definition at line 1144 of file Store.cc.

References dup(), and Span().

Referenced by Store::dup(), and dup().

int64_t Span::end

(

)

[inline]

Definition at line 92 of file I_Store.h.

References blocks, and offset.

Referenced by Store::sort().

void Span::hash_base_string_set

(

char const *

s

)

Set the hash seed string.

Definition at line 203 of file Store.cc.

References ats_strdup, and hash_base_string.

Referenced by Store::read_config().

const char* Span::init	(	char *	n,
		int64_t	size
	)

Referenced by Store::read_config(), and HostDBCache::start().

bool Span::is_mmapable

(

)

[inline]

Definition at line 63 of file I_Store.h.

Referenced by MultiCacheBase::mmap_region(), and write().

Span* Span::nth

(

int

i

)

[inline]

Definition at line 75 of file I_Store.h.

Referenced by Store::clear(), MultiCacheBase::mmap_data(), and MultiCacheBase::mmap_region().

int Span::path	(	char *	filename,
		int64_t *	offset,
		char *	buf,
		int	buflen
	)

Definition at line 186 of file Store.cc.

References file_pathname, ink_assert, ink_filepath_make(), ink_strlcpy(), and pathname.

Referenced by Store::clear(), and MultiCacheBase::mmap_data().

int Span::paths

(

)

[inline]

Definition at line 82 of file I_Store.h.

Referenced by Store::clear(), MultiCacheBase::mmap_data(), and MultiCacheBase::mmap_region().

int Span::read

(

int

fd

)

Definition at line 1037 of file Store.cc.

References ats_strdup, blocks, file_pathname, get_int64(), ink_file_fd_readline(), offset, PATH_NAME_MAX, pathname, and set_mmapable().

Referenced by Store::read().

void Span::set_mmapable

(

bool

s

)

[inline]

Definition at line 64 of file I_Store.h.

Referenced by read().

int64_t Span::size

(

)

[inline]

Definition at line 65 of file I_Store.h.

References blocks.

Span::SLINK	(	Span	,
		link
	)

int64_t Span::total_blocks

(

)

[inline]

Definition at line 67 of file I_Store.h.

References blocks.

Referenced by Store::total_blocks().

void Span::volume_number_set

(

int

n

)

Set the volume number.

Definition at line 209 of file Store.cc.

References forced_volume_num.

Referenced by Store::read_config().

int Span::write

(

int

fd

)

Definition at line 975 of file Store.cc.

References blocks, file_pathname, ink_file_fd_writestring(), is_mmapable(), offset, and pathname.

Referenced by Store::write().

---

Field Documentation

int Span::alignment

Definition at line 49 of file I_Store.h.

Referenced by CacheProcessor::start_internal().

int64_t Span::blocks

Definition at line 46 of file I_Store.h.

Referenced by Store::clear(), end(), MultiCacheBase::mmap_data(), MultiCacheBase::mmap_region(), read(), size(), Store::sort(), CacheProcessor::start_internal(), stealStore(), total_blocks(), try_alloc(), Store::try_realloc(), write(), and Store::write_config_data().

int Span::disk_id

Definition at line 50 of file I_Store.h.

Referenced by Store::sort().

bool Span::file_pathname

Definition at line 55 of file I_Store.h.

Referenced by Store::clear(), MultiCacheBase::mmap_data(), path(), read(), CacheProcessor::start_internal(), stealStore(), try_alloc(), and write().

int Span::forced_volume_num

Force span in to specific volume.

Definition at line 51 of file I_Store.h.

Referenced by CacheProcessor::start_internal(), and volume_number_set().

ats_scoped_str Span::hash_base_string

Used to seed the stripe assignment hash.

Definition at line 60 of file I_Store.h.

Referenced by hash_base_string_set(), Span(), and CacheProcessor::start_internal().

int Span::hw_sector_size

Definition at line 48 of file I_Store.h.

Referenced by CacheProcessor::start_internal().

bool Span::isRaw

Definition at line 56 of file I_Store.h.

int64_t Span::offset

Definition at line 47 of file I_Store.h.

Referenced by Store::clear(), end(), MultiCacheBase::mmap_region(), read(), Store::sort(), CacheProcessor::start_internal(), stealStore(), try_alloc(), Store::try_realloc(), and write().

ats_scoped_str Span::pathname

Definition at line 59 of file I_Store.h.

Referenced by path(), read(), Store::sort(), Span(), CacheProcessor::start_internal(), write(), and Store::write_config_data().

---

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

• I_Store.h
• Store.cc