Configuration directory iterator

Data Structures
struct	m0_conf_diter_lvl_ctx
struct	m0_conf_diter_lvl
struct	m0_conf_diter

Macros
#define	m0_conf_diter_init(iter, confc, origin, ...)

Enumerations
enum	diter_phase { DPH_LVL_OPEN, DPH_LVL_READ, DPH_LVL_WAIT }
enum	m0_diter_lvl_mode { M0_DLM_DIR, M0_DLM_ENTRY, M0_DLM_NR }

Functions
static bool	diter_lvl_invariant (const struct m0_conf_diter_lvl *l)
static bool	diter_invariant (const struct m0_conf_diter *it)
M0_INTERNAL void	m0_conf_diter_lvl_init (struct m0_conf_diter_lvl *l, struct m0_conf_diter *it, struct m0_confc *confc, uint32_t lvl, const struct m0_fid *path)
static void	diter_confc_ctx_fini (struct m0_conf_diter *it, struct m0_confc_ctx *ctx)
M0_INTERNAL void	m0_conf_diter_lvl_fini (struct m0_conf_diter_lvl *l)
static struct m0_conf_obj *	diter_lvl_dir_obj (struct m0_conf_diter_lvl *l)
static struct m0_conf_obj *	diter_lvl_entry_obj (struct m0_conf_diter_lvl *l)
static struct m0_confc_ctx *	diter_lvl_ctx (struct m0_conf_diter_lvl *l)
static struct m0_conf_diter_lvl *	diter_lvl (struct m0_conf_diter *it)
static void	diter_lvl_mode_set (struct m0_conf_diter_lvl *l, enum m0_diter_lvl_mode mode)
static bool	diter_chan_cb (struct m0_clink *link)
M0_INTERNAL int	m0_conf__diter_init (struct m0_conf_diter *it, struct m0_confc *confc, struct m0_conf_obj *origin, uint32_t nr_lvls, const struct m0_fid *path)
M0_INTERNAL void	m0_conf_diter_fini (struct m0_conf_diter *it)
M0_INTERNAL void	m0_conf_diter_locked_set (struct m0_conf_diter *it, bool locked)
M0_INTERNAL void	m0_conf_diter_wait_arm (struct m0_conf_diter *it, struct m0_clink *clink)
static void	diter_wait_arm (struct m0_conf_diter *it, struct m0_confc_ctx *ctx)
static void	diter_wait_cancel (struct m0_clink *clink, bool locked)
static void	diter_lvl_result_set (struct m0_conf_diter_lvl *l, struct m0_conf_obj *result)
static struct m0_conf_obj *	diter_lvl_origin (struct m0_conf_diter *it)
static int	diter_wait (struct m0_conf_diter *it)
static void	diter_lvl_check (struct m0_conf_diter *it)
M0_INTERNAL int	diter_lvl_open (struct m0_conf_diter *it)
static int	diter_lvl_read (struct m0_conf_diter *it)
M0_INTERNAL int	m0_conf_diter_next (struct m0_conf_diter *it, bool(*filter)(const struct m0_conf_obj *obj))
M0_INTERNAL int	m0_conf_diter_next_sync (struct m0_conf_diter *it, bool(*filter)(const struct m0_conf_obj *obj))
M0_INTERNAL struct m0_conf_obj *	m0_conf_diter_result (const struct m0_conf_diter *it)

Detailed Description

Macro Definition Documentation

m0_conf_diter_init

#define m0_conf_diter_init	(		iter,
			confc,
			origin,
			...
	)

Value:

m0_conf__diter_init(iter, confc, origin,              \
                            M0_COUNT_PARAMS(__VA_ARGS__) + 1, \
                            (const struct m0_fid []){         \
                            __VA_ARGS__, M0_FID0 })

Initialises configuration directory iterator with the given configuration path.

Precondition

origin->co_status == M0_CS_READY

Definition at line 235 of file diter.h.

Enumeration Type Documentation

diter_phase

enum diter_phase

Enumerator
DPH_LVL_OPEN
DPH_LVL_READ
DPH_LVL_WAIT

Definition at line 185 of file diter.c.

m0_diter_lvl_mode

enum m0_diter_lvl_mode

Enumerator
M0_DLM_DIR
M0_DLM_ENTRY
M0_DLM_NR

Definition at line 144 of file diter.h.

Function Documentation

diter_chan_cb()

static bool diter_chan_cb ( struct m0_clink *  link )

static

Definition at line 269 of file diter.c.

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diter_confc_ctx_fini()

static void diter_confc_ctx_fini ( struct m0_conf_diter *  it, struct m0_confc_ctx *  ctx  )

static

Definition at line 220 of file diter.c.

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diter_invariant()

static bool diter_invariant ( const struct m0_conf_diter *  it )

static

Definition at line 198 of file diter.c.

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diter_lvl()

static struct m0_conf_diter_lvl* diter_lvl ( struct m0_conf_diter *  it )

inlinestatic

Definition at line 258 of file diter.c.

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diter_lvl_check()

static void diter_lvl_check ( struct m0_conf_diter *  it )

static

Definition at line 430 of file diter.c.

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diter_lvl_ctx()

static struct m0_confc_ctx* diter_lvl_ctx ( struct m0_conf_diter_lvl *  l )

inlinestatic

Definition at line 253 of file diter.c.

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diter_lvl_dir_obj()

static struct m0_conf_obj* diter_lvl_dir_obj ( struct m0_conf_diter_lvl *  l )

inlinestatic

Definition at line 242 of file diter.c.

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diter_lvl_entry_obj()

static struct m0_conf_obj* diter_lvl_entry_obj ( struct m0_conf_diter_lvl *  l )

inlinestatic

Definition at line 248 of file diter.c.

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diter_lvl_invariant()

static bool diter_lvl_invariant ( const struct m0_conf_diter_lvl *  l )

static

Definition at line 191 of file diter.c.

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diter_lvl_mode_set()

static void diter_lvl_mode_set ( struct m0_conf_diter_lvl *  l, enum m0_diter_lvl_mode  mode  )

inlinestatic

Definition at line 263 of file diter.c.

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diter_lvl_open()

M0_INTERNAL int diter_lvl_open

(

struct m0_conf_diter *

it

)

Definition at line 443 of file diter.c.

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diter_lvl_origin()

static struct m0_conf_obj* diter_lvl_origin ( struct m0_conf_diter *  it )

static

Definition at line 367 of file diter.c.

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diter_lvl_read()

static int diter_lvl_read ( struct m0_conf_diter *  it )

static

Definition at line 466 of file diter.c.

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diter_lvl_result_set()

static void diter_lvl_result_set ( struct m0_conf_diter_lvl *  l, struct m0_conf_obj *  result  )

static

Definition at line 361 of file diter.c.

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diter_wait()

static int diter_wait ( struct m0_conf_diter *  it )

static

Definition at line 395 of file diter.c.

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diter_wait_arm()

static void diter_wait_arm ( struct m0_conf_diter *  it, struct m0_confc_ctx *  ctx  )

static

Definition at line 345 of file diter.c.

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diter_wait_cancel()

static void diter_wait_cancel ( struct m0_clink *  clink, bool  locked  )

static

Definition at line 353 of file diter.c.

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m0_conf__diter_init()

M0_INTERNAL int m0_conf__diter_init	(	struct m0_conf_diter *	it,
		struct m0_confc *	confc,
		struct m0_conf_obj *	origin,
		uint32_t	nr_lvls,
		const struct m0_fid *	path
	)

Definition at line 282 of file diter.c.

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m0_conf_diter_fini()

M0_INTERNAL void m0_conf_diter_fini

(

struct m0_conf_diter *

it

)

Definition at line 313 of file diter.c.

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m0_conf_diter_locked_set()

M0_INTERNAL void m0_conf_diter_locked_set	(	struct m0_conf_diter *	it,
		bool	locked
	)

See also

m0_conf_diter::di_locked

Definition at line 331 of file diter.c.

m0_conf_diter_lvl_fini()

M0_INTERNAL void m0_conf_diter_lvl_fini

(

struct m0_conf_diter_lvl *

l

)

Definition at line 229 of file diter.c.

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m0_conf_diter_lvl_init()

M0_INTERNAL void m0_conf_diter_lvl_init	(	struct m0_conf_diter_lvl *	l,
		struct m0_conf_diter *	it,
		struct m0_confc *	confc,
		uint32_t	lvl,
		const struct m0_fid *	path
	)

Definition at line 210 of file diter.c.

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m0_conf_diter_next()

M0_INTERNAL int m0_conf_diter_next	(	struct m0_conf_diter *	it,
		bool(*)(const struct m0_conf_obj *obj)	filter
	)

Returns next struct m0_conf_obj in the given configuration path using the given filter. Result of an iteration must be accessed using m0_conf_diter_result().

Return values

M0_CONF_DIRNEXT

See also

m0_confc_readdir()

Return values

M0_CONF_DIRMISS

See also

m0_confc_readdir()

Return values

-ENODATA

There are no more directory objects to traverse.

Definition at line 532 of file diter.c.

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m0_conf_diter_next_sync()

M0_INTERNAL int m0_conf_diter_next_sync	(	struct m0_conf_diter *	it,
		bool(*)(const struct m0_conf_obj *obj)	filter
	)

Definition at line 555 of file diter.c.

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m0_conf_diter_result()

M0_INTERNAL struct m0_conf_obj * m0_conf_diter_result

(

const struct m0_conf_diter *

it

)

Definition at line 576 of file diter.c.

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m0_conf_diter_wait_arm()

M0_INTERNAL void m0_conf_diter_wait_arm	(	struct m0_conf_diter *	it,
		struct m0_clink *	clink
	)

Registers given with m0_conf_diter::di_wait channel.

Definition at line 337 of file diter.c.

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