totempg.c File Reference

#include <config.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <sys/uio.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <pthread.h>
#include <errno.h>
#include <limits.h>
#include <corosync/swab.h>
#include <qb/qblist.h>
#include <qb/qbloop.h>
#include <qb/qbipcs.h>
#include <corosync/totem/totempg.h>
#include <corosync/logsys.h>
#include "util.h"
#include "totemsrp.h"

Include dependency graph for totempg.c:

Go to the source code of this file.

Data Structures
struct	totempg_mcast_header
struct	totempg_mcast
struct	assembly
struct	totempg_group_instance

Macros
#define	LOGSYS_UTILS_ONLY   1
#define	TOTEMPG_NEED_ALIGN   1
#define	TOTEMPG_PACKET_SIZE
#define	log_printf(level, format, args...)
#define	MESSAGE_QUEUE_MAX   ((4 * MESSAGE_SIZE_MAX) / totempg_totem_config->net_mtu)
#define	MAX_IOVECS_FROM_APP   32
#define	MAX_GROUPS_PER_MSG   32
#define	ONE_IFACE_LEN   63

Enumerations
enum	throw_away_mode { THROW_AWAY_INACTIVE , THROW_AWAY_ACTIVE }

Functions
	QB_LIST_DECLARE (assembly_list_inuse)
	QB_LIST_DECLARE (assembly_list_free)
	QB_LIST_DECLARE (assembly_list_inuse_trans)
	QB_LIST_DECLARE (totempg_groups_list)
int	totempg_initialize (qb_loop_t *poll_handle, struct totem_config *totem_config)
	Initialize the totem process groups abstraction.
void	totempg_finalize (void)
int	totempg_callback_token_create (void **handle_out, enum totem_callback_token_type type, int delete, int(*callback_fn)(enum totem_callback_token_type type, const void *), const void *data)
void	totempg_callback_token_destroy (void *handle_out)
int	totempg_groups_initialize (void **totempg_groups_instance, void(*deliver_fn)(unsigned int nodeid, const void *msg, unsigned int msg_len, int endian_conversion_required), void(*confchg_fn)(enum totem_configuration_type configuration_type, const unsigned int *member_list, size_t member_list_entries, const unsigned int *left_list, size_t left_list_entries, const unsigned int *joined_list, size_t joined_list_entries, const struct memb_ring_id *ring_id))
	Initialize a groups instance.
int	totempg_groups_join (void *totempg_groups_instance, const struct totempg_group *groups, size_t group_cnt)
int	totempg_groups_leave (void *totempg_groups_instance, const struct totempg_group *groups, size_t group_cnt)
int	totempg_groups_mcast_joined (void *totempg_groups_instance, const struct iovec *iovec, unsigned int iov_len, int guarantee)
void	totempg_check_q_level (void *totempg_groups_instance)
int	totempg_groups_joined_reserve (void *totempg_groups_instance, const struct iovec *iovec, unsigned int iov_len)
int	totempg_groups_joined_release (int msg_count)
int	totempg_groups_mcast_groups (void *totempg_groups_instance, int guarantee, const struct totempg_group *groups, size_t groups_cnt, const struct iovec *iovec, unsigned int iov_len)
int	totempg_groups_send_ok_groups (void *totempg_groups_instance, const struct totempg_group *groups, size_t groups_cnt, const struct iovec *iovec, unsigned int iov_len)
int	totempg_iface_set (struct totem_ip_address *interface_addr, unsigned short ip_port, unsigned int iface_no)
int	totempg_nodestatus_get (unsigned int nodeid, struct totem_node_status *node_status)
int	totempg_ifaces_get (unsigned int nodeid, unsigned int *interface_id, struct totem_ip_address *interfaces, unsigned int interfaces_size, char ***status, unsigned int *iface_count)
void	totempg_event_signal (enum totem_event_type type, int value)
void *	totempg_get_stats (void)
int	totempg_crypto_set (const char *cipher_type, const char *hash_type)
const char *	totempg_ifaces_print (unsigned int nodeid)
unsigned int	totempg_my_nodeid_get (void)
int	totempg_my_family_get (void)
void	totempg_service_ready_register (void(*totem_service_ready)(void))
void	totempg_queue_level_register_callback (totem_queue_level_changed_fn fn)
int	totempg_member_add (const struct totem_ip_address *member, int ring_no)
int	totempg_member_remove (const struct totem_ip_address *member, int ring_no)
int	totempg_reconfigure (void)
int	totempg_crypto_reconfigure_phase (cfg_message_crypto_reconfig_phase_t phase)
void	totempg_stats_clear (int flags)
void	totempg_threaded_mode_enable (void)
void	totempg_trans_ack (void)
void	totempg_force_gather (void)
void	totempg_get_config (struct totem_config *config)
void	totempg_put_config (struct totem_config *config)

Variables
static void(*) struct totem_config	totempg_totem_config )
void *	callback_token_received_handle

Macro Definition Documentation

log_printf

#define log_printf	(		level,
			format,
			args...
	)

Value:

do {                                                            \
        totempg_log_printf(level,                               \
                           totempg_subsys_id,                   \
                           __FUNCTION__, __FILE__, __LINE__,    \
                           format, ##args);                     \
} while (0);

Definition at line 272 of file totempg.c.

LOGSYS_UTILS_ONLY

#define LOGSYS_UTILS_ONLY   1

Definition at line 108 of file totempg.c.

MAX_GROUPS_PER_MSG

#define MAX_GROUPS_PER_MSG   32

Definition at line 1230 of file totempg.c.

MAX_IOVECS_FROM_APP

#define MAX_IOVECS_FROM_APP   32

Definition at line 1229 of file totempg.c.

MESSAGE_QUEUE_MAX

#define MESSAGE_QUEUE_MAX   ((4 * MESSAGE_SIZE_MAX) / totempg_totem_config->net_mtu)

Definition at line 1091 of file totempg.c.

ONE_IFACE_LEN

#define ONE_IFACE_LEN   63

Definition at line 1500 of file totempg.c.

TOTEMPG_NEED_ALIGN

#define TOTEMPG_NEED_ALIGN   1

Definition at line 123 of file totempg.c.

TOTEMPG_PACKET_SIZE

#define TOTEMPG_PACKET_SIZE

Value:

        (totempg_totem_config->net_mtu - \
	sizeof (struct totempg_mcast))

Definition at line 153 of file totempg.c.

Enumeration Type Documentation

throw_away_mode

enum throw_away_mode

Enumerator
THROW_AWAY_INACTIVE
THROW_AWAY_ACTIVE

Definition at line 194 of file totempg.c.

Function Documentation

QB_LIST_DECLARE() [1/4]

QB_LIST_DECLARE

(

assembly_list_free

)

QB_LIST_DECLARE() [2/4]

QB_LIST_DECLARE

(

assembly_list_inuse

)

QB_LIST_DECLARE() [3/4]

QB_LIST_DECLARE

(

assembly_list_inuse_trans

)

QB_LIST_DECLARE() [4/4]

QB_LIST_DECLARE

(

totempg_groups_list

)

totempg_callback_token_create()

int totempg_callback_token_create	(	void **	handle_out,
		enum totem_callback_token_type	type,
		int	delete,
		int(*)(enum totem_callback_token_type type, const void *)	callback_fn,
		const void *	data
	)

Definition at line 1099 of file totempg.c.

References nodeid, totemsrp_callback_token_create(), and type.

totempg_callback_token_destroy()

void totempg_callback_token_destroy

(

void *

handle_out

)

Definition at line 1118 of file totempg.c.

References nodeid, and totemsrp_callback_token_destroy().

totempg_check_q_level()

void totempg_check_q_level

(

void *

totempg_groups_instance

)

Definition at line 1294 of file totempg.c.

References nodeid.

Referenced by corosync_recheck_the_q_level().

totempg_crypto_reconfigure_phase()

int totempg_crypto_reconfigure_phase ( cfg_message_crypto_reconfig_phase_t  phase )

extern

Definition at line 1571 of file totempg.c.

References nodeid, totempg_totem_config, and totemsrp_crypto_reconfigure_phase().

totempg_crypto_set()

int totempg_crypto_set	(	const char *	cipher_type,
		const char *	hash_type
	)

Definition at line 1489 of file totempg.c.

References nodeid, and totemsrp_crypto_set().

totempg_event_signal()

void totempg_event_signal	(	enum totem_event_type	type,
		int	value
	)

Definition at line 1479 of file totempg.c.

References totemsrp_event_signal(), type, and value.

totempg_finalize()

void totempg_finalize

(

void

)

Definition at line 855 of file totempg.c.

References nodeid, and totemsrp_finalize().

Referenced by main().

totempg_force_gather()

void totempg_force_gather

(

void

)

Definition at line 1596 of file totempg.c.

References totemsrp_force_gather().

totempg_get_config()

void totempg_get_config

(

struct totem_config *

config

)

Definition at line 1602 of file totempg.c.

References INTERFACE_MAX, totem_config::interfaces, nodeid, and totempg_totem_config.

totempg_get_stats()

void * totempg_get_stats

(

void

)

Definition at line 1484 of file totempg.c.

totempg_groups_initialize()

int totempg_groups_initialize	(	void **	totempg_groups_instance,
		void(*)(unsigned int nodeid, const void *msg, unsigned int msg_len, int endian_conversion_required)	deliver_fn,
		void(*)(enum totem_configuration_type configuration_type, const unsigned int *member_list, size_t member_list_entries, const unsigned int *left_list, size_t left_list_entries, const unsigned int *joined_list, size_t joined_list_entries, const struct memb_ring_id *ring_id)	confchg_fn
	)

Initialize a groups instance.

Definition at line 1134 of file totempg.c.

References totempg_group_instance::confchg_fn, totempg_group_instance::deliver_fn, totempg_group_instance::groups, totempg_group_instance::groups_cnt, totempg_group_instance::list, nodeid, and totempg_group_instance::q_level.

Referenced by main(), and sync_init().

totempg_groups_join()

int totempg_groups_join	(	void *	totempg_groups_instance,
		const struct totempg_group *	groups,
		size_t	group_cnt
	)

Definition at line 1182 of file totempg.c.

References totempg_group_instance::groups, totempg_group_instance::groups_cnt, and nodeid.

Referenced by main(), and sync_init().

totempg_groups_joined_release()

int totempg_groups_joined_release

(

int

msg_count

)

Definition at line 1346 of file totempg.c.

References nodeid.

Referenced by corosync_sending_allowed_release().

totempg_groups_joined_reserve()

int totempg_groups_joined_reserve	(	void *	totempg_groups_instance,
		const struct iovec *	iovec,
		unsigned int	iov_len
	)

Definition at line 1302 of file totempg.c.

References totempg_group::group_len, totempg_group_instance::groups, totempg_group_instance::groups_cnt, and nodeid.

Referenced by corosync_sending_allowed().

totempg_groups_leave()

int totempg_groups_leave	(	void *	totempg_groups_instance,
		const struct totempg_group *	groups,
		size_t	group_cnt
	)

Definition at line 1214 of file totempg.c.

References nodeid.

totempg_groups_mcast_groups()

int totempg_groups_mcast_groups	(	void *	totempg_groups_instance,
		int	guarantee,
		const struct totempg_group *	groups,
		size_t	groups_cnt,
		const struct iovec *	iovec,
		unsigned int	iov_len
	)

Definition at line 1360 of file totempg.c.

References totempg_group::group_len, guarantee, MAX_GROUPS_PER_MSG, MAX_IOVECS_FROM_APP, and nodeid.

totempg_groups_mcast_joined()

int totempg_groups_mcast_joined	(	void *	totempg_groups_instance,
		const struct iovec *	iovec,
		unsigned int	iov_len,
		int	guarantee
	)

Definition at line 1232 of file totempg.c.

References totempg_group::group, totempg_group::group_len, totempg_group_instance::groups, totempg_group_instance::groups_cnt, guarantee, MAX_GROUPS_PER_MSG, MAX_IOVECS_FROM_APP, and nodeid.

Referenced by main_mcast().

totempg_groups_send_ok_groups()

int totempg_groups_send_ok_groups	(	void *	totempg_groups_instance,
		const struct totempg_group *	groups,
		size_t	groups_cnt,
		const struct iovec *	iovec,
		unsigned int	iov_len
	)

Definition at line 1404 of file totempg.c.

References totempg_group::group_len, and nodeid.

totempg_iface_set()

int totempg_iface_set	(	struct totem_ip_address *	interface_addr,
		unsigned short	ip_port,
		unsigned int	iface_no
	)

Definition at line 1434 of file totempg.c.

References nodeid, and totemsrp_iface_set().

totempg_ifaces_get()

int totempg_ifaces_get	(	unsigned int	nodeid,
		unsigned int *	interface_id,
		struct totem_ip_address *	interfaces,
		unsigned int	interfaces_size,
		char ***	status,
		unsigned int *	iface_count
	)

Definition at line 1457 of file totempg.c.

References nodeid, and totemsrp_ifaces_get().

Referenced by totempg_ifaces_print().

totempg_ifaces_print()

const char * totempg_ifaces_print

(

unsigned int

nodeid

)

Definition at line 1501 of file totempg.c.

References family, INTERFACE_MAX, nodeid, ONE_IFACE_LEN, totemip_print(), and totempg_ifaces_get().

totempg_initialize()

int totempg_initialize	(	qb_loop_t *	poll_handle,
		struct totem_config *	totem_config
	)

Initialize the totem process groups abstraction.

Definition at line 802 of file totempg.c.

References callback_token_received_handle, totem_logging_configuration::log_level_debug, totem_logging_configuration::log_level_error, totem_logging_configuration::log_level_notice, totem_logging_configuration::log_level_security, totem_logging_configuration::log_level_warning, totem_logging_configuration::log_printf, totem_logging_configuration::log_subsys_id, totem_config::net_mtu, nodeid, TOTEM_CALLBACK_TOKEN_RECEIVED, totem_config::totem_logging_configuration, TOTEMPG_PACKET_SIZE, totempg_totem_config, totemsrp_avail(), totemsrp_callback_token_create(), totemsrp_initialize(), and totemsrp_net_mtu_adjust().

Referenced by main().

totempg_member_add()

int totempg_member_add ( const struct totem_ip_address *  member, int  ring_no  )

extern

Definition at line 1552 of file totempg.c.

References nodeid, and totemsrp_member_add().

totempg_member_remove()

int totempg_member_remove ( const struct totem_ip_address *  member, int  ring_no  )

extern

Definition at line 1559 of file totempg.c.

References nodeid, and totemsrp_member_remove().

totempg_my_family_get()

int totempg_my_family_get

(

void

)

Definition at line 1537 of file totempg.c.

References totemsrp_my_family_get().

totempg_my_nodeid_get()

unsigned int totempg_my_nodeid_get

(

void

)

Definition at line 1532 of file totempg.c.

References totemsrp_my_nodeid_get().

Referenced by message_source_is_local(), and message_source_set().

totempg_nodestatus_get()

int totempg_nodestatus_get	(	unsigned int	nodeid,
		struct totem_node_status *	node_status
	)

Definition at line 1450 of file totempg.c.

References nodeid, and totemsrp_nodestatus_get().

totempg_put_config()

void totempg_put_config

(

struct totem_config *

config

)

Definition at line 1612 of file totempg.c.

References INTERFACE_MAX, totem_config::interfaces, nodeid, and totempg_totem_config.

totempg_queue_level_register_callback()

void totempg_queue_level_register_callback

(

totem_queue_level_changed_fn

fn

)

Definition at line 1547 of file totempg.c.

References nodeid.

Referenced by cs_ipcs_init().

totempg_reconfigure()

int totempg_reconfigure ( void  )

extern

Definition at line 1566 of file totempg.c.

References totempg_totem_config, and totemsrp_reconfigure().

Referenced by totemconfig_commit_new_params().

totempg_service_ready_register()

void totempg_service_ready_register ( void(*)(void)  totem_service_ready )

extern

Definition at line 1541 of file totempg.c.

References nodeid, and totemsrp_service_ready_register().

Referenced by main().

totempg_stats_clear()

void totempg_stats_clear ( int  flags )

extern

Definition at line 1576 of file totempg.c.

References flags, totempg_stats_t::msg_queue_avail, totempg_stats_t::msg_reserved, TOTEMPG_STATS_CLEAR_TOTEM, and totemsrp_stats_clear().

Referenced by stats_map_set().

totempg_threaded_mode_enable()

void totempg_threaded_mode_enable

(

void

)

Definition at line 1585 of file totempg.c.

References totemsrp_threaded_mode_enable().

totempg_trans_ack()

void totempg_trans_ack

(

void

)

Definition at line 1591 of file totempg.c.

References totemsrp_trans_ack().

Variable Documentation

callback_token_received_handle

void* callback_token_received_handle

Definition at line 746 of file totempg.c.

Referenced by totempg_initialize().

totempg_totem_config

void(*) struct totem_config totempg_totem_config)

Definition at line 190 of file totempg.c.

Referenced by totempg_crypto_reconfigure_phase(), totempg_get_config(), totempg_initialize(), totempg_put_config(), and totempg_reconfigure().