Functions
static int	confd_allocate (struct m0_reqh_service *service, const struct m0_reqh_service_type stype)

static int	confd_cache_preload (struct m0_conf_cache cache, const char str)

M0_INTERNAL int	m0_confd_register (void)

M0_INTERNAL void	m0_confd_unregister (void)

static int	confd_start (struct m0_reqh_service *service)

static void	confd_stop (struct m0_reqh_service *service)

static void	confd_fini (struct m0_reqh_service *service)

M0_INTERNAL int	m0_confd_cache_create (struct m0_conf_cache *out, struct m0_mutex cache_lock, const char *confstr)

M0_INTERNAL void	m0_confd_cache_destroy (struct m0_conf_cache *cache)

static bool	nil (const char *s)

M0_INTERNAL int	m0_confd_service_to_filename (struct m0_reqh_service service, char *dbpath)

static int	conf_fetch_tick (struct m0_fom *fom)

static int	conf_update_tick (struct m0_fom *fom)

static int	confx_populate (struct m0_confx dest, const struct m0_fid origin, const struct m0_fid_arr path, struct m0_conf_cache cache)

static size_t	confd_fom_locality (const struct m0_fom *fom)

static void	confd_fom_fini (struct m0_fom *fom)

M0_INTERNAL int	m0_confd_fom_create (struct m0_fop fop, struct m0_fom out, struct m0_reqh reqh)

static int	_count (size_t n, struct m0_confx enc M0_UNUSED, const struct m0_conf_obj *obj M0_UNUSED)

static int	_encode (size_t n, struct m0_confx enc, const struct m0_conf_obj *obj)

static int	readiness_check (const struct m0_conf_obj *obj)

static int	confd_path_walk (struct m0_conf_obj cur, const struct m0_fid_arr path, int(apply)(size_t n, struct m0_confx enc, const struct m0_conf_obj obj), size_t n, struct m0_confx enc)

static struct m0_conf_obj *	confd_cache_lookup (const struct m0_conf_cache cache, const struct m0_fid fid)

static void	cache_ver_update (struct m0_conf_cache *cache)

Variables
const struct m0_bob_type	m0_confd_bob

static const struct m0_reqh_service_type_ops	confd_stype_ops

struct m0_reqh_service_type	m0_confd_stype

static const struct m0_reqh_service_ops	confd_ops

static const struct m0_fom_ops	conf_fetch_fom_ops

static const struct m0_fom_ops	conf_update_fom_ops

Detailed Description

See also: DLD of configuration caching, Logical Specification of confd

Function Documentation

◆ _count()

static int _count	(	size_t *	n,
		struct m0_confx *enc	M0_UNUSED,
		const struct m0_conf_obj *obj	M0_UNUSED
	)

static

Definition at line 149 of file confd_fom.c.

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◆ _encode()

static int _encode	(	size_t *	n,
		struct m0_confx *	enc,
		const struct m0_conf_obj *	obj
	)

static

Definition at line 158 of file confd_fom.c.

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◆ cache_ver_update()

static void cache_ver_update ( struct m0_conf_cache * cache )

static

Definition at line 255 of file confd_fom.c.

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◆ conf_fetch_tick()

static int conf_fetch_tick ( struct m0_fom * fom )

static

Definition at line 110 of file confd_fom.c.

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◆ conf_update_tick()

static int conf_update_tick ( struct m0_fom * fom )

static

Definition at line 141 of file confd_fom.c.

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◆ confd_allocate()

static int confd_allocate	(	struct m0_reqh_service **	service,
		const struct m0_reqh_service_type *	stype
	)

static

Allocates and initialises confd service.

Definition at line 482 of file confd.c.

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◆ confd_cache_lookup()

static struct m0_conf_obj* confd_cache_lookup	(	const struct m0_conf_cache *	cache,
		const struct m0_fid *	fid
	)

static

Definition at line 242 of file confd_fom.c.

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◆ confd_cache_preload()

static int confd_cache_preload	(	struct m0_conf_cache *	cache,
		const char *	str
	)

static

Definition at line 578 of file confd.c.

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◆ confd_fini()

static void confd_fini ( struct m0_reqh_service * service )

static

Finalises and deallocates confd service.

Definition at line 501 of file confd.c.

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◆ confd_fom_fini()

static void confd_fom_fini ( struct m0_fom * fom )

static

Definition at line 55 of file confd_fom.c.

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◆ confd_fom_locality()

static size_t confd_fom_locality ( const struct m0_fom * fom )

static

Definition at line 50 of file confd_fom.c.

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◆ confd_path_walk()

static int confd_path_walk	(	struct m0_conf_obj *	cur,
		const struct m0_fid_arr *	path,
		int()(size_t n, struct m0_confx enc, const struct m0_conf_obj obj)	apply,
		size_t *	n,
		struct m0_confx *	enc
	)

static

Traverses the DAG of configuration objects. Starts at ‘cur’ and follows the ‘path’, applying given function.

Parameters

cur	Path origin.
path	Sequence of path components as requested by confc.
apply	The action to perform.
n	Address of the counter to be used by apply().
enc	Encoded configuration data to be used by apply().

Definition at line 191 of file confd_fom.c.

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◆ confd_start()

static int confd_start ( struct m0_reqh_service * service )

static

Definition at line 544 of file confd.c.

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◆ confd_stop()

static void confd_stop ( struct m0_reqh_service * service )

static

Definition at line 567 of file confd.c.

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◆ confx_populate()

static int confx_populate	(	struct m0_confx *	dest,
		const struct m0_fid *	origin,
		const struct m0_fid_arr *	path,
		struct m0_conf_cache *	cache
	)

static

Definition at line 267 of file confd_fom.c.

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◆ m0_confd_cache_create()

M0_INTERNAL int m0_confd_cache_create	(	struct m0_conf_cache **	out,
		struct m0_mutex *	cache_lock,
		const char *	confstr
	)

Allocates conf cache and populates it using provided configuration string.

Definition at line 513 of file confd.c.

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◆ m0_confd_cache_destroy()

M0_INTERNAL void m0_confd_cache_destroy ( struct m0_conf_cache * cache )

Finalises conf cache, releases memory.

Definition at line 536 of file confd.c.

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◆ m0_confd_fom_create()

M0_INTERNAL int m0_confd_fom_create	(	struct m0_fop *	fop,
		struct m0_fom **	out,
		struct m0_reqh *	reqh
	)

Definition at line 73 of file confd_fom.c.

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◆ m0_confd_register()

M0_INTERNAL int m0_confd_register ( void )

Definition at line 460 of file confd.c.

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◆ m0_confd_service_to_filename()

M0_INTERNAL int m0_confd_service_to_filename	(	struct m0_reqh_service *	service,
		char **	dbpath
	)

Definition at line 624 of file confd.c.

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◆ m0_confd_unregister()

M0_INTERNAL void m0_confd_unregister ( void )

Definition at line 465 of file confd.c.

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◆ nil()

static bool nil ( const char * s )

static

Definition at line 619 of file confd.c.

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◆ readiness_check()

static int readiness_check ( const struct m0_conf_obj * obj )

static

Definition at line 171 of file confd_fom.c.

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Variable Documentation

◆ conf_fetch_fom_ops

const struct m0_fom_ops conf_fetch_fom_ops

static

Initial value:

= {
        .fo_home_locality = confd_fom_locality,
        .fo_tick          = conf_fetch_tick,
        .fo_fini          = confd_fom_fini
}

Definition at line 61 of file confd_fom.c.

◆ conf_update_fom_ops

const struct m0_fom_ops conf_update_fom_ops

static

Initial value:

= {
        .fo_home_locality = confd_fom_locality,
        .fo_tick          = conf_update_tick,
        .fo_fini          = confd_fom_fini
}

Definition at line 67 of file confd_fom.c.

◆ confd_ops

const struct m0_reqh_service_ops confd_ops

static

Initial value:

= {
        .rso_start       = confd_start,
        .rso_start_async = m0_reqh_service_async_start_simple,
        .rso_stop        = confd_stop,
        .rso_fini        = confd_fini
}

Definition at line 474 of file confd.c.

◆ confd_stype_ops

const struct m0_reqh_service_type_ops confd_stype_ops

static

Initial value:

= {
        .rsto_service_allocate = confd_allocate
}

Definition at line 449 of file confd.c.

◆ m0_confd_bob

const struct m0_bob_type m0_confd_bob

Initial value:

= {
        .bt_name         = "m0_confd",
        .bt_magix_offset = M0_MAGIX_OFFSET(struct m0_confd, d_magic),
        .bt_magix        = M0_CONFD_MAGIC
}

Definition at line 443 of file confd.c.

◆ m0_confd_stype

struct m0_reqh_service_type m0_confd_stype

Initial value:

= {
        .rst_name     = "M0_CST_CONFD",
        .rst_ops      = &confd_stype_ops,
        .rst_level    = M0_RS_LEVEL_NORMAL,
        .rst_typecode = M0_CST_CONFD,
}

Definition at line 453 of file confd.c.

Functions

Variables

Detailed Description

Function Documentation

◆ _count()

◆ _encode()

◆ cache_ver_update()

◆ conf_fetch_tick()

◆ conf_update_tick()

◆ confd_allocate()

◆ confd_cache_lookup()

◆ confd_cache_preload()

◆ confd_fini()

◆ confd_fom_fini()

◆ confd_fom_locality()

◆ confd_path_walk()

◆ confd_start()

◆ confd_stop()

◆ confx_populate()

◆ m0_confd_cache_create()

◆ m0_confd_cache_destroy()

◆ m0_confd_fom_create()

◆ m0_confd_register()

◆ m0_confd_service_to_filename()

◆ m0_confd_unregister()

◆ nil()

◆ readiness_check()

Variable Documentation

◆ conf_fetch_fom_ops

◆ conf_update_fom_ops

◆ confd_ops

◆ confd_stype_ops

◆ m0_confd_bob

◆ m0_confd_stype