#include "lib/trace.h"
#include "lib/finject.h"
#include "conf/db.h"
#include "conf/onwire.h"
#include "conf/onwire_xc.h"
#include "conf/obj.h"
#include "xcode/xcode.h"
#include "be/btree.h"
#include "be/tx.h"
#include "be/op.h"
#include "lib/memory.h"
#include "lib/errno.h"
#include "lib/misc.h"

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Data Structures
struct	__pack

struct	confx_allocator

struct	confx_obj_ctx

struct	confx_ctx

Macros
#define	M0_TRACE_SUBSYSTEM M0_TRACE_SUBSYS_CONF

Functions
static int	confdb_objs_count (struct m0_be_btree btree, size_t result)

static void	confdb_table_fini (struct m0_be_seg *seg)

M0_INTERNAL void	m0_xc_m0_confx_obj_struct_init (void)

M0_INTERNAL void	m0_xc_m0_confx_obj_struct_fini (void)

M0_INTERNAL size_t	m0_confx_sizeof (void)

static void *	_conf_xcode_alloc (struct m0_xcode_cursor *ctx M0_UNUSED, size_t nob)

static void	confx_to_xcode_obj (struct m0_confx_obj xobj, struct m0_xcode_obj out, bool allocated)

static void	xcode_ctx_init (struct m0_xcode_ctx ctx, struct m0_confx_obj xobj, bool allocated)

static int	confx_obj_measure (struct m0_confx_obj *xobj)

static m0_bcount_t	confdb_ksize (const void *key)

static m0_bcount_t	confdb_vsize (const void *val)

static int	confdb_table_init (struct m0_be_seg seg, struct m0_be_btree btree, struct m0_be_tx tx, const struct m0_fid *btree_fid)

static void *	confdb_obj_alloc (struct m0_xcode_cursor *ctx, size_t nob)

static int	confx_obj_dup (struct confx_allocator alloc, struct m0_confx_obj dest, struct m0_confx_obj src)

M0_INTERNAL int	m0_confdb_create_credit (struct m0_be_seg seg, const struct m0_confx conf, struct m0_be_tx_credit *accum)

static int	confdb_alloc (struct confx_allocator alloc, struct m0_be_seg seg, struct m0_be_tx *tx, int size)

static m0_bcount_t	conf_sizeof (const struct m0_confx *conf)

static int	confx_allocator_init (struct confx_allocator alloc, const struct m0_confx conf, struct m0_be_seg seg, struct m0_be_tx tx)

M0_INTERNAL int	m0_confdb_create (struct m0_be_seg seg, struct m0_be_tx tx, const struct m0_confx conf, const struct m0_fid btree_fid)

M0_INTERNAL void	m0_confdb_destroy_credit (struct m0_be_seg seg, struct m0_be_tx_credit accum)

static int	__confdb_free (struct m0_be_btree btree, struct m0_be_seg seg, struct m0_be_tx *tx)

M0_INTERNAL int	m0_confdb_destroy (struct m0_be_seg seg, struct m0_be_tx tx)

M0_INTERNAL void	m0_confdb_fini (struct m0_be_seg *seg)

static struct m0_confx *	confx_alloc (size_t nr_objs)

static void	confx_fill (struct m0_confx dest, struct m0_be_btree btree)

M0_INTERNAL int	m0_confdb_read (struct m0_be_seg seg, struct m0_confx *out)

Variables
struct __pack	conx_obj

M0_INTERNAL struct m0_xcode_type *	m0_confx_obj_xc = &conx_obj._p_xt

static const struct m0_be_btree_kv_ops	confdb_ops

static const char	btree_name [] = "conf"

Macro Definition Documentation

◆ M0_TRACE_SUBSYSTEM

#define M0_TRACE_SUBSYSTEM M0_TRACE_SUBSYS_CONF

Definition at line 23 of file db.c.

Function Documentation

◆ __confdb_free()

static int __confdb_free	(	struct m0_be_btree *	btree,
		struct m0_be_seg *	seg,
		struct m0_be_tx *	tx
	)

static

Todo:: check validity of key and record addresses and sizes. Specifically, check that val.b_addr points to an allocated region in a segment with appropriate size and alignment. Such checks should be done generally by (not existing) beobj interface.

Todo:: also check that key (fid) matches m0_conf_objx_fid().

Definition at line 401 of file db.c.

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◆ _conf_xcode_alloc()

static void* _conf_xcode_alloc	(	struct m0_xcode_cursor *ctx	M0_UNUSED,
		size_t	nob
	)

static

Definition at line 67 of file db.c.

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◆ conf_sizeof()

static m0_bcount_t conf_sizeof ( const struct m0_confx * conf )

static

Definition at line 301 of file db.c.

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◆ confdb_alloc()

static int confdb_alloc	(	struct confx_allocator *	alloc,
		struct m0_be_seg *	seg,
		struct m0_be_tx *	tx,
		int	size
	)

static

Definition at line 287 of file db.c.

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◆ confdb_ksize()

static m0_bcount_t confdb_ksize ( const void * key )

static

Definition at line 145 of file db.c.

◆ confdb_obj_alloc()

static void* confdb_obj_alloc	(	struct m0_xcode_cursor *	ctx,
		size_t	nob
	)

static

Definition at line 204 of file db.c.

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◆ confdb_objs_count()

static int confdb_objs_count	(	struct m0_be_btree *	btree,
		size_t *	result
	)

static

Definition at line 469 of file db.c.

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◆ confdb_table_fini()

static void confdb_table_fini ( struct m0_be_seg * seg )

static

Definition at line 192 of file db.c.

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◆ confdb_table_init()

static int confdb_table_init	(	struct m0_be_seg *	seg,
		struct m0_be_btree **	btree,
		struct m0_be_tx *	tx,
		const struct m0_fid *	btree_fid
	)

static

Definition at line 168 of file db.c.

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◆ confdb_vsize()

static m0_bcount_t confdb_vsize ( const void * val )

static

Definition at line 150 of file db.c.

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◆ confx_alloc()

static struct m0_confx* confx_alloc ( size_t nr_objs )

static

Definition at line 488 of file db.c.

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◆ confx_allocator_init()

static int confx_allocator_init	(	struct confx_allocator *	alloc,
		const struct m0_confx *	conf,
		struct m0_be_seg *	seg,
		struct m0_be_tx *	tx
	)

static

Definition at line 322 of file db.c.

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◆ confx_fill()

static void confx_fill	(	struct m0_confx *	dest,
		struct m0_be_btree *	btree
	)

static

Todo:: check validity of key and record addresses and sizes. Specifically, check that val.b_addr points to an allocated region in a segment with appropriate size and alignment. Such checks should be done generally by (not existing) beobj interface.

Todo:: also check that key (fid) matches m0_conf_objx_fid().

Todo:: handle iteration errors.

Definition at line 509 of file db.c.

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◆ confx_obj_dup()

static int confx_obj_dup	(	struct confx_allocator *	alloc,
		struct m0_confx_obj **	dest,
		struct m0_confx_obj *	src
	)

static

Definition at line 222 of file db.c.

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◆ confx_obj_measure()

static int confx_obj_measure ( struct m0_confx_obj * xobj )

static

Definition at line 94 of file db.c.

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◆ confx_to_xcode_obj()

static void confx_to_xcode_obj	(	struct m0_confx_obj *	xobj,
		struct m0_xcode_obj *	out,
		bool	allocated
	)

static

Definition at line 72 of file db.c.

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◆ m0_confdb_create()

M0_INTERNAL int m0_confdb_create	(	struct m0_be_seg *	seg,
		struct m0_be_tx *	tx,
		const struct m0_confx *	conf,
		const struct m0_fid *	btree_fid
	)

Creates configuration database, populating it with provided configuration data.

Precondition: conf->cx_nr > 0

Definition at line 331 of file db.c.

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◆ m0_confdb_create_credit()

M0_INTERNAL int m0_confdb_create_credit	(	struct m0_be_seg *	seg,
		const struct m0_confx *	conf,
		struct m0_be_tx_credit *	accum
	)

Calculates BE credits required by configuration database tables and .

Definition at line 255 of file db.c.

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◆ m0_confdb_destroy()

M0_INTERNAL int m0_confdb_destroy	(	struct m0_be_seg *	seg,
		struct m0_be_tx *	tx
	)

Definition at line 443 of file db.c.

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◆ m0_confdb_destroy_credit()

M0_INTERNAL void m0_confdb_destroy_credit	(	struct m0_be_seg *	seg,
		struct m0_be_tx_credit *	accum
	)

Calculates BE credits in-order to destroy configuration database from persistent store.

Definition at line 380 of file db.c.

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◆ m0_confdb_fini()

M0_INTERNAL void m0_confdb_fini ( struct m0_be_seg * seg )

Finalises in-memory configuration database.

Definition at line 464 of file db.c.

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◆ m0_confdb_read()

M0_INTERNAL int m0_confdb_read	(	struct m0_be_seg *	seg,
		struct m0_confx **	out
	)

Creates m0_confx and populates it with data read from a configuration database.

Note: If the call succeeds, the user is responsible for freeing allocated memory with m0_confx_free(*out).

Definition at line 544 of file db.c.

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◆ m0_confx_sizeof()

M0_INTERNAL size_t m0_confx_sizeof ( void )

Definition at line 61 of file db.c.

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◆ m0_xc_m0_confx_obj_struct_fini()

M0_INTERNAL void m0_xc_m0_confx_obj_struct_fini ( void )

Definition at line 58 of file db.c.

◆ m0_xc_m0_confx_obj_struct_init()

M0_INTERNAL void m0_xc_m0_confx_obj_struct_init ( void )

Definition at line 55 of file db.c.

◆ xcode_ctx_init()

static void xcode_ctx_init	(	struct m0_xcode_ctx *	ctx,
		struct m0_confx_obj *	xobj,
		bool	allocated
	)

static

Definition at line 79 of file db.c.

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Variable Documentation

◆ btree_name

const char btree_name[] = "conf"

static

Definition at line 166 of file db.c.

◆ confdb_ops

const struct m0_be_btree_kv_ops confdb_ops

static

Initial value:

= {
        .ko_type    = M0_BBT_CONFDB,
        .ko_ksize   = &confdb_ksize,
        .ko_vsize   = &confdb_vsize,
        .ko_compare = (void *)&m0_fid_cmp
}

Definition at line 155 of file db.c.

◆ conx_obj

M0_BASSERT&[0][0] conx_obj

Initial value:

= {
        ._p_xt = {
                .xct_name = "m0_confx_obj",
        },
}

Definition at line 51 of file db.c.

◆ m0_confx_obj_xc

M0_INTERNAL struct m0_xcode_type* m0_confx_obj_xc = &conx_obj._p_xt

Definition at line 53 of file db.c.

Data Structures

Macros

Functions

Variables

Macro Definition Documentation

◆ M0_TRACE_SUBSYSTEM

Function Documentation

◆ __confdb_free()

◆ _conf_xcode_alloc()

◆ conf_sizeof()

◆ confdb_alloc()

◆ confdb_ksize()

◆ confdb_obj_alloc()

◆ confdb_objs_count()

◆ confdb_table_fini()

◆ confdb_table_init()

◆ confdb_vsize()

◆ confx_alloc()

◆ confx_allocator_init()

◆ confx_fill()

◆ confx_obj_dup()

◆ confx_obj_measure()

◆ confx_to_xcode_obj()

◆ m0_confdb_create()

◆ m0_confdb_create_credit()

◆ m0_confdb_destroy()

◆ m0_confdb_destroy_credit()

◆ m0_confdb_fini()

◆ m0_confdb_read()

◆ m0_confx_sizeof()

◆ m0_xc_m0_confx_obj_struct_fini()

◆ m0_xc_m0_confx_obj_struct_init()

◆ xcode_ctx_init()

Variable Documentation

◆ btree_name

◆ confdb_ops

◆ conx_obj

◆ m0_confx_obj_xc