failvec.c File Reference

#include "lib/trace.h"
#include "lib/chan.h"
#include "lib/memory.h"
#include "lib/errno.h"
#include "lib/finject.h"
#include "module/instance.h"
#include "ha/failvec.h"
#include "ha/msg.h"
#include "ha/link.h"
#include "ha/note.h"
#include "pool/pool_machine.h"
#include "pool/pool.h"
#include "reqh/reqh.h"
#include "fid/fid.h"

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Data Structures
struct	ha_fvec_handler_request

Macros
#define	M0_TRACE_SUBSYSTEM   M0_TRACE_SUBSYS_HA

Functions
static uint32_t	fvec_rep_msg_vec_len (const struct m0_ha_msg *msg)
static const struct m0_cookie *	fvec_msg_cookie_get (const struct m0_ha_msg *msg)
static const struct m0_ha_note *	fvec_rep_msg_to_note (const struct m0_ha_msg *msg)
static const struct m0_fid *	fvec_msg_to_pool (const struct m0_ha_msg *msg)
static uint32_t	fvec_msg_type (const struct m0_ha_msg *msg)
	M0_TL_DESCR_DEFINE (ha_fvreq, "failure-vec-req", static, struct ha_fvec_handler_request, fhr_tlink, fhr_magic, 20, 21)
	M0_TL_DEFINE (ha_fvreq, static, struct ha_fvec_handler_request)
static void	ha_fvec_handler_msg (struct m0_ha_handler *hh, struct m0_ha *ha, struct m0_ha_link *hl, struct m0_ha_msg *msg, uint64_t tag, void *data)
M0_INTERNAL int	m0_ha_fvec_handler_init (struct m0_ha_fvec_handler *hfh, struct m0_ha_dispatcher *hd)
M0_INTERNAL void	m0_ha_fvec_handler_fini (struct m0_ha_fvec_handler *hfh)
M0_INTERNAL int	m0_ha_fvec_handler_add (struct m0_ha_fvec_handler *hfh, const struct m0_fid *pool_fid, struct m0_poolmach *pool_mach, struct m0_chan *chan, struct m0_cookie *cookie)
M0_INTERNAL void	m0_ha_fvec_rep_handler (struct m0_ha_fvec_handler *hfh, const struct m0_ha_msg *msg)
M0_INTERNAL void	m0_ha_fvec_req_handler (struct m0_ha_fvec_handler *hfh, const struct m0_ha_msg *msg, struct m0_ha_link *hl)
M0_INTERNAL int	m0_ha_failvec_fetch (const struct m0_fid *pool_fid, struct m0_poolmach *pmach, struct m0_chan *chan)
static void	ha_ut_fvec_reply_populate (struct m0_ha_msg *msg)
static void	ha_msg_fvec_build (struct m0_ha_msg *msg, const struct m0_fid *pool_fid, struct m0_ha_link *hl)
M0_INTERNAL int	m0_ha_msg_fvec_send (const struct m0_fid *pool_fid, const struct m0_cookie *cookie, struct m0_ha_link *hl, uint32_t type)

Macro Definition Documentation

M0_TRACE_SUBSYSTEM

#define M0_TRACE_SUBSYSTEM   M0_TRACE_SUBSYS_HA

Definition at line 23 of file failvec.c.

Function Documentation

fvec_msg_cookie_get()

static const struct m0_cookie* fvec_msg_cookie_get ( const struct m0_ha_msg *  msg )

static

Definition at line 57 of file failvec.c.

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fvec_msg_to_pool()

static const struct m0_fid* fvec_msg_to_pool ( const struct m0_ha_msg *  msg )

static

Definition at line 69 of file failvec.c.

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fvec_msg_type()

static uint32_t fvec_msg_type ( const struct m0_ha_msg *  msg )

static

Definition at line 74 of file failvec.c.

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fvec_rep_msg_to_note()

static const struct m0_ha_note* fvec_rep_msg_to_note ( const struct m0_ha_msg *  msg )

static

Definition at line 63 of file failvec.c.

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fvec_rep_msg_vec_len()

static uint32_t fvec_rep_msg_vec_len ( const struct m0_ha_msg *  msg )

static

Definition at line 51 of file failvec.c.

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ha_fvec_handler_msg()

static void ha_fvec_handler_msg ( struct m0_ha_handler *  hh, struct m0_ha *  ha, struct m0_ha_link *  hl, struct m0_ha_msg *  msg, uint64_t  tag, void *  data  )

static

Definition at line 83 of file failvec.c.

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ha_msg_fvec_build()

static void ha_msg_fvec_build ( struct m0_ha_msg *  msg, const struct m0_fid *  pool_fid, struct m0_ha_link *  hl  )

static

Definition at line 252 of file failvec.c.

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ha_ut_fvec_reply_populate()

static void ha_ut_fvec_reply_populate ( struct m0_ha_msg *  msg )

static

Definition at line 230 of file failvec.c.

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m0_ha_failvec_fetch()

M0_INTERNAL int m0_ha_failvec_fetch	(	const struct m0_fid *	pool_fid,
		struct m0_poolmach *	pmach,
		struct m0_chan *	chan
	)

Requests for the failure vector for the given pool machine.

Definition at line 208 of file failvec.c.

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m0_ha_fvec_handler_add()

M0_INTERNAL int m0_ha_fvec_handler_add	(	struct m0_ha_fvec_handler *	hfh,
		const struct m0_fid *	pool_fid,
		struct m0_poolmach *	pool_mach,
		struct m0_chan *	chan,
		struct m0_cookie *	cookie
	)

Definition at line 135 of file failvec.c.

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m0_ha_fvec_handler_fini()

M0_INTERNAL void m0_ha_fvec_handler_fini

(

struct m0_ha_fvec_handler *

hfh

)

Definition at line 126 of file failvec.c.

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m0_ha_fvec_handler_init()

M0_INTERNAL int m0_ha_fvec_handler_init	(	struct m0_ha_fvec_handler *	hfh,
		struct m0_ha_dispatcher *	hd
	)

Definition at line 108 of file failvec.c.

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m0_ha_fvec_rep_handler()

M0_INTERNAL void m0_ha_fvec_rep_handler	(	struct m0_ha_fvec_handler *	hfh,
		const struct m0_ha_msg *	msg
	)

Applies the received failure vector to respective pool-machine.

Definition at line 165 of file failvec.c.

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m0_ha_fvec_req_handler()

M0_INTERNAL void m0_ha_fvec_req_handler	(	struct m0_ha_fvec_handler *	hfh,
		const struct m0_ha_msg *	msg,
		struct m0_ha_link *	hl
	)

Handles requests to fetch failure vector.

Definition at line 191 of file failvec.c.

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m0_ha_msg_fvec_send()

M0_INTERNAL int m0_ha_msg_fvec_send	(	const struct m0_fid *	pool_fid,
		const struct m0_cookie *	req_cookie,
		struct m0_ha_link *	hl,
		uint32_t	type
	)

Sends an HA message to store/fetch the failure vector from HA.

Definition at line 275 of file failvec.c.

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M0_TL_DEFINE()

M0_TL_DEFINE	(	ha_fvreq	,
		static	,
		struct ha_fvec_handler_request
	)

M0_TL_DESCR_DEFINE()

M0_TL_DESCR_DEFINE	(	ha_fvreq	,
		"failure-vec-req"	,
		static	,
		struct ha_fvec_handler_request	,
		fhr_tlink	,
		fhr_magic	,
		20	,
		21
	)