totempg.h

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/*
 * Copyright (c) 2003-2005 MontaVista Software, Inc.
 * Copyright (c) 2006-2011 Red Hat, Inc.
 *
 * All rights reserved.
 *
 * Author: Steven Dake (sdake@redhat.com)
 *
 * This software licensed under BSD license, the text of which follows:
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * - Redistributions of source code must retain the above copyright notice,
 *   this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright notice,
 *   this list of conditions and the following disclaimer in the documentation
 *   and/or other materials provided with the distribution.
 * - Neither the name of the MontaVista Software, Inc. nor the names of its
 *   contributors may be used to endorse or promote products derived from this
 *   software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */
 
#ifndef TOTEMPG_H_DEFINED
#define TOTEMPG_H_DEFINED
 
#ifdef __cplusplus
extern "C" {
#endif
 
#include <sys/types.h>
#include <netinet/in.h>
#include "totem.h"
#include <qb/qbloop.h>
 
struct totempg_group {
        const void *group;
        size_t group_len;
};
 
#define TOTEMPG_AGREED                  0
#define TOTEMPG_SAFE                    1
 
extern int totempg_initialize (
        qb_loop_t* poll_handle,
        struct totem_config *totem_config
);
 
extern void totempg_finalize (void);
 
extern 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);
 
extern void totempg_callback_token_destroy (void *handle);
 
extern int totempg_groups_initialize (
        void **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));
 
extern int totempg_groups_finalize (void *instance);
 
extern int totempg_groups_join (
        void *instance,
        const struct totempg_group *groups,
        size_t group_cnt);
 
extern int totempg_groups_leave (
        void *instance,
        const struct totempg_group *groups,
        size_t group_cnt);
 
extern int totempg_groups_mcast_joined (
        void *instance,
        const struct iovec *iovec,
        unsigned int iov_len,
        int guarantee);
 
extern int totempg_groups_joined_reserve (
        void *instance,
        const struct iovec *iovec,
        unsigned int iov_len);
 
extern int totempg_groups_joined_release (
        int msg_count);
 
extern int totempg_groups_mcast_groups (
        void *instance,
        int guarantee,
        const struct totempg_group *groups,
        size_t groups_cnt,
        const struct iovec *iovec,
        unsigned int iov_len);
 
extern int totempg_groups_send_ok_groups (
        void *instance,
        const struct totempg_group *groups,
        size_t groups_cnt,
        const struct iovec *iovec,
        unsigned int iov_len);
 
extern 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);
 
extern int totempg_nodestatus_get (unsigned int nodeid,
                                   struct totem_node_status *node_status);
 
extern void* totempg_get_stats (void);
 
void totempg_event_signal (enum totem_event_type type, int value);
 
extern const char *totempg_ifaces_print (unsigned int nodeid);
 
extern unsigned int totempg_my_nodeid_get (void);
 
extern int totempg_my_family_get (void);
 
extern int totempg_crypto_set (const char *cipher_type, const char *hash_type);
 
extern void totempg_service_ready_register (
        void (*totem_service_ready) (void));
 
extern int totempg_iface_set (
        struct totem_ip_address *interface_addr,
        unsigned short ip_port,
        unsigned int iface_no);
 
extern int totempg_member_add (
        const struct totem_ip_address *member,
        int ring_no);
 
extern int totempg_member_remove (
        const struct totem_ip_address *member,
        int ring_no);
 
enum totem_q_level {
        TOTEM_Q_LEVEL_LOW,
        TOTEM_Q_LEVEL_GOOD,
        TOTEM_Q_LEVEL_HIGH,
        TOTEM_Q_LEVEL_CRITICAL
};
 
void totempg_check_q_level(void *instance);
 
typedef void (*totem_queue_level_changed_fn) (enum totem_q_level level);
extern void totempg_queue_level_register_callback (totem_queue_level_changed_fn);
 
extern void totempg_threaded_mode_enable (void);
 
extern void totempg_trans_ack (void);
 
extern int totempg_reconfigure (void);
 
extern int totempg_crypto_reconfigure_phase (cfg_message_crypto_reconfig_phase_t phase);
 
extern void totempg_force_gather (void);
 
extern void totempg_get_config(struct totem_config *config);
 
extern void totempg_put_config(struct totem_config *config);
 
#ifdef __cplusplus
}
#endif
 
#endif /* TOTEMPG_H_DEFINED */