#include <corosync/corotypes.h>

Include dependency graph for include/corosync/quorum.h:

This graph shows which files directly or indirectly include this file:

Data Structures
struct	quorum_ring_id

struct	quorum_callbacks_t
	The quorum_callbacks_t struct. More...

struct	quorum_model_data_t

struct	quorum_model_v0_data_t

struct	quorum_model_v1_data_t

Macros
#define	QUORUM_FREE 0

#define	QUORUM_SET 1

Typedefs
typedef uint64_t	quorum_handle_t
	quorum_handle_t

typedef void(*	quorum_notification_fn_t) (quorum_handle_t handle, uint32_t quorate, uint64_t ring_seq, uint32_t view_list_entries, uint32_t *view_list)
	The quorum_notification_fn_t callback.

typedef void(*	quorum_v1_quorum_notification_fn_t) (quorum_handle_t handle, uint32_t quorate, struct quorum_ring_id ring_id, uint32_t member_list_entries, const uint32_t *member_list)

typedef void(*	quorum_v1_nodelist_notification_fn_t) (quorum_handle_t handle, struct quorum_ring_id ring_id, uint32_t member_list_entries, const uint32_t member_list, uint32_t joined_list_entries, const uint32_t joined_list, uint32_t left_list_entries, const uint32_t *left_list)

Enumerations
enum	quorum_model_t { QUORUM_MODEL_V0 = 0 , QUORUM_MODEL_V1 = 1 }

Functions
cs_error_t	quorum_initialize (quorum_handle_t handle, quorum_callbacks_t callbacks, uint32_t *quorum_type)
	Create a new quorum connection.

cs_error_t	quorum_model_initialize (quorum_handle_t handle, quorum_model_t model, quorum_model_data_t model_data, uint32_t quorum_type, void context)

cs_error_t	quorum_finalize (quorum_handle_t handle)
	Close the quorum handle.

cs_error_t	quorum_fd_get (quorum_handle_t handle, int *fd)
	Get a file descriptor on which to poll.

cs_error_t	quorum_dispatch (quorum_handle_t handle, cs_dispatch_flags_t dispatch_types)
	Dispatch messages and configuration changes.

cs_error_t	quorum_getquorate (quorum_handle_t handle, int *quorate)
	Get quorum information.

cs_error_t	quorum_trackstart (quorum_handle_t handle, unsigned int flags)
	Track node and quorum changes.

cs_error_t	quorum_trackstop (quorum_handle_t handle)
	quorum_trackstop

cs_error_t	quorum_context_set (quorum_handle_t handle, const void *context)
	quorum_context_set

cs_error_t	quorum_context_get (quorum_handle_t handle, const void **context)
	quorum_context_get

Macro Definition Documentation

◆ QUORUM_FREE

#define QUORUM_FREE 0

Definition at line 106 of file include/corosync/quorum.h.

◆ QUORUM_SET

#define QUORUM_SET 1

Definition at line 107 of file include/corosync/quorum.h.

Typedef Documentation

◆ quorum_handle_t

typedef uint64_t quorum_handle_t

quorum_handle_t

Definition at line 51 of file include/corosync/quorum.h.

◆ quorum_notification_fn_t

typedef void(* quorum_notification_fn_t) (quorum_handle_t handle, uint32_t quorate, uint64_t ring_seq, uint32_t view_list_entries, uint32_t *view_list)

The quorum_notification_fn_t callback.

Definition at line 61 of file include/corosync/quorum.h.

◆ quorum_v1_nodelist_notification_fn_t

typedef void(* quorum_v1_nodelist_notification_fn_t) (quorum_handle_t handle, struct quorum_ring_id ring_id, uint32_t member_list_entries, const uint32_t *member_list, uint32_t joined_list_entries, const uint32_t *joined_list, uint32_t left_list_entries, const uint32_t *left_list)

Definition at line 76 of file include/corosync/quorum.h.

◆ quorum_v1_quorum_notification_fn_t

typedef void(* quorum_v1_quorum_notification_fn_t) (quorum_handle_t handle, uint32_t quorate, struct quorum_ring_id ring_id, uint32_t member_list_entries, const uint32_t *member_list)

Definition at line 69 of file include/corosync/quorum.h.

Enumeration Type Documentation

◆ quorum_model_t

enum quorum_model_t

Enumerator
QUORUM_MODEL_V0
QUORUM_MODEL_V1

Definition at line 43 of file include/corosync/quorum.h.

Function Documentation

◆ quorum_context_get()

cs_error_t quorum_context_get	(	quorum_handle_t	handle,
		const void **	context
	)

quorum_context_get

Parameters

handle
context

Returns

Definition at line 299 of file lib/quorum.c.

References quorum_inst::context, CS_OK, hdb_error_to_cs(), and nodeid.

◆ quorum_context_set()

cs_error_t quorum_context_set	(	quorum_handle_t	handle,
		const void *	context
	)

quorum_context_set

Parameters

handle
context

Returns

Definition at line 318 of file lib/quorum.c.

References quorum_inst::context, CS_OK, hdb_error_to_cs(), and nodeid.

◆ quorum_dispatch()

cs_error_t quorum_dispatch	(	quorum_handle_t	handle,
		cs_dispatch_flags_t	dispatch_types
	)

Dispatch messages and configuration changes.

Parameters

handle
dispatch_types

Returns

Definition at line 418 of file lib/quorum.c.

References quorum_inst::c, CS_DISPATCH_ALL, CS_DISPATCH_BLOCKING, CS_DISPATCH_ONE, CS_DISPATCH_ONE_NONBLOCKING, CS_ERR_BAD_HANDLE, CS_ERR_INVALID_PARAM, CS_ERR_LIBRARY, CS_ERR_TRY_AGAIN, CS_OK, quorum_inst::finalize, hdb_error_to_cs(), IPC_DISPATCH_SIZE, res_lib_quorum_v1_nodelist_notification::member_list, MESSAGE_RES_QUORUM_NOTIFICATION, MESSAGE_RES_QUORUM_V1_NODELIST_NOTIFICATION, MESSAGE_RES_QUORUM_V1_QUORUM_NOTIFICATION, nodeid, memb_ring_id::nodeid, qb_to_cs_error(), QUORUM_MODEL_V0, QUORUM_MODEL_V1, ring_id, memb_ring_id::seq, res_lib_quorum_notification::view_list, and res_lib_quorum_v1_quorum_notification::view_list.

Referenced by sam_initialize().

◆ quorum_fd_get()

cs_error_t quorum_fd_get	(	quorum_handle_t	handle,
		int *	fd
	)

Get a file descriptor on which to poll.

Note: quorum_handle_t is NOT a file descriptor and may not be used directly.

Parameters

handle
fd

Returns

Definition at line 279 of file lib/quorum.c.

References quorum_inst::c, CS_OK, hdb_error_to_cs(), nodeid, and qb_to_cs_error().

Referenced by sam_initialize().

◆ quorum_finalize()

cs_error_t quorum_finalize ( quorum_handle_t handle )

Close the quorum handle.

Parameters

handle

Returns

Definition at line 209 of file lib/quorum.c.

References CS_ERR_BAD_HANDLE, CS_OK, quorum_inst::finalize, hdb_error_to_cs(), and nodeid.

Referenced by sam_initialize(), and sam_register().

◆ quorum_getquorate()

cs_error_t quorum_getquorate	(	quorum_handle_t	handle,
		int *	quorate
	)

Get quorum information.

Parameters

handle
quorate

Returns

Definition at line 237 of file lib/quorum.c.

References quorum_inst::c, CS_IPC_TIMEOUT_MS, CS_OK, hdb_error_to_cs(), MESSAGE_REQ_QUORUM_GETQUORATE, nodeid, qb_to_cs_error(), res_lib_quorum_getquorate::quorate, and quorate.

◆ quorum_initialize()

cs_error_t quorum_initialize	(	quorum_handle_t *	handle,
		quorum_callbacks_t *	callbacks,
		uint32_t *	quorum_type
	)

Create a new quorum connection.

Parameters

handle
callbacks
quorum_type

Returns

Definition at line 73 of file lib/quorum.c.

References nodeid, quorum_model_initialize(), QUORUM_MODEL_V0, quorum_callbacks_t::quorum_notify_fn, and quorum_model_v0_data_t::quorum_notify_fn.

Referenced by sam_initialize().

◆ quorum_model_initialize()

cs_error_t quorum_model_initialize	(	quorum_handle_t *	handle,
		quorum_model_t	model,
		quorum_model_data_t *	model_data,
		uint32_t *	quorum_type,
		void *	context
	)

Definition at line 90 of file lib/quorum.c.

References quorum_inst::c, quorum_inst::context, CS_ERR_INVALID_PARAM, CS_OK, quorum_inst::finalize, hdb_error_to_cs(), IPC_REQUEST_SIZE, MESSAGE_REQ_QUORUM_GETTYPE, MESSAGE_REQ_QUORUM_MODEL_GETTYPE, quorum_model_data_t::model, quorum_inst::model_data, quorum_inst::model_v0_data, quorum_inst::model_v1_data, nodeid, qb_to_cs_error(), QUORUM_MODEL_V0, QUORUM_MODEL_V1, and res_lib_quorum_gettype::quorum_type.

Referenced by quorum_initialize().

◆ quorum_trackstart()

cs_error_t quorum_trackstart	(	quorum_handle_t	handle,
		unsigned int	flags
	)

Track node and quorum changes.

Parameters

handle
flags

Returns

Definition at line 338 of file lib/quorum.c.

References quorum_inst::c, CS_IPC_TIMEOUT_MS, CS_OK, flags, hdb_error_to_cs(), MESSAGE_REQ_QUORUM_TRACKSTART, nodeid, qb_to_cs_error(), and req_lib_quorum_trackstart::track_flags.

Referenced by sam_initialize().

◆ quorum_trackstop()

cs_error_t quorum_trackstop ( quorum_handle_t handle )

quorum_trackstop

Parameters

handle

Returns

Definition at line 379 of file lib/quorum.c.

References quorum_inst::c, CS_IPC_TIMEOUT_MS, CS_OK, hdb_error_to_cs(), MESSAGE_REQ_QUORUM_TRACKSTOP, nodeid, and qb_to_cs_error().

Data Structures

Macros

Typedefs

Enumerations

Functions

Macro Definition Documentation

◆ QUORUM_FREE

◆ QUORUM_SET

Typedef Documentation

◆ quorum_handle_t

◆ quorum_notification_fn_t

◆ quorum_v1_nodelist_notification_fn_t

◆ quorum_v1_quorum_notification_fn_t

Enumeration Type Documentation

◆ quorum_model_t

Function Documentation

◆ quorum_context_get()

◆ quorum_context_set()

◆ quorum_dispatch()

◆ quorum_fd_get()

◆ quorum_finalize()

◆ quorum_getquorate()

◆ quorum_initialize()

◆ quorum_model_initialize()

◆ quorum_trackstart()

◆ quorum_trackstop()