bdr_entry_t Struct Reference

Big Dumb Reply Entry. Holds an atomically swappable cached response blob. More...

#include <big_dumb_reply.h>

Collaboration diagram for bdr_entry_t:

Public Member Functions
	_Atomic (bdr_blob_t *) blob
	Currently published response blob.
	_Atomic (struct bdr_entry_t *) next
	Immutable after publication.

Public Attributes
uint64_t	request_hash
	Key: SipHash(Method + Path)
_Atomic uint64_t	response_hash
	Hash of the response content (stability check)
_Atomic bool	is_stable
	True once the response proved stable.
_Atomic bool	retired
	Unlinked by the janitor; walkers skip it.
_Atomic uint64_t	hits
	Hit count (approximate, relaxed)
_Atomic int64_t	created_at
	Creation timestamp (time_t)
cwist_bdr_revalidate_fn	revalidate
	Optional hit-time refresh hook.
void *	revalidate_arg
	Opaque argument for the hook.
struct bdr_entry_t *	retire_next
	Janitor retired-entry list link.

Detailed Description

Big Dumb Reply Entry. Holds an atomically swappable cached response blob.

Definition at line 50 of file big_dumb_reply.h.

Member Function Documentation

_Atomic() [1/2]

bdr_entry_t::_Atomic

(

bdr_blob_t *

)

Currently published response blob.

_Atomic() [2/2]

bdr_entry_t::_Atomic

(

struct bdr_entry_t *

)

Immutable after publication.

Member Data Documentation

created_at

_Atomic int64_t bdr_entry_t::created_at

Creation timestamp (time_t)

Definition at line 60 of file big_dumb_reply.h.

Referenced by cwist_bdr_put(), cwist_bdr_put_fixed(), and cwist_bdr_put_revalidatable().

hits

_Atomic uint64_t bdr_entry_t::hits

Hit count (approximate, relaxed)

Definition at line 59 of file big_dumb_reply.h.

Referenced by cwist_bdr_put(), cwist_bdr_put_fixed(), and cwist_bdr_put_revalidatable().

is_stable

_Atomic bool bdr_entry_t::is_stable

True once the response proved stable.

Definition at line 54 of file big_dumb_reply.h.

Referenced by cwist_bdr_put(), cwist_bdr_put_fixed(), and cwist_bdr_put_revalidatable().

request_hash

uint64_t bdr_entry_t::request_hash

Key: SipHash(Method + Path)

Definition at line 51 of file big_dumb_reply.h.

response_hash

_Atomic uint64_t bdr_entry_t::response_hash

Hash of the response content (stability check)

Definition at line 53 of file big_dumb_reply.h.

Referenced by cwist_bdr_put(), cwist_bdr_put_fixed(), and cwist_bdr_put_revalidatable().

retire_next

struct bdr_entry_t* bdr_entry_t::retire_next

Janitor retired-entry list link.

Definition at line 66 of file big_dumb_reply.h.

Referenced by cwist_bdr_destroy().

retired

_Atomic bool bdr_entry_t::retired

Unlinked by the janitor; walkers skip it.

Definition at line 55 of file big_dumb_reply.h.

revalidate

cwist_bdr_revalidate_fn bdr_entry_t::revalidate

Optional hit-time refresh hook.

Definition at line 62 of file big_dumb_reply.h.

Referenced by cwist_bdr_put_revalidatable().

revalidate_arg

void* bdr_entry_t::revalidate_arg

Opaque argument for the hook.

Definition at line 63 of file big_dumb_reply.h.

Referenced by cwist_bdr_put_revalidatable().

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

• include/cwist/sys/app/big_dumb_reply.h