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totemrrp.h
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/*
* Copyright (c) 2005 MontaVista Software, Inc.
* Copyright (c) 2006-2007, 2009 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.
*/
/**
* @file
* Totem Network interface - also does encryption/decryption
*
* depends on poll abstraction, POSIX, IPV4
*/
#ifndef TOTEMRRP_H_DEFINED
#define TOTEMRRP_H_DEFINED
#include <sys/types.h>
#include <sys/socket.h>
#include <qb/qbloop.h>
#include <corosync/totem/totem.h>
#define TOTEMRRP_NOFLUSH 0
#define TOTEMRRP_FLUSH 1
/*
* SRP address. Used mainly in totemsrp.c, but we need it here to inform RRP about
* membership change.
*/
struct srp_addr {
uint8_t no_addrs;
struct totem_ip_address addr[INTERFACE_MAX];
};
/**
* Create an instance
*/
extern int totemrrp_initialize (
qb_loop_t *poll_handle,
void **rrp_context,
struct totem_config *totem_config,
totemsrp_stats_t *stats,
void *context,
void (*deliver_fn) (
void *context,
const void *msg,
unsigned int msg_len),
void (*iface_change_fn) (
void *context,
const struct totem_ip_address *iface_addr,
unsigned int iface_no),
void (*token_seqid_get) (
const void *msg,
unsigned int *seqid,
unsigned int *token_is),
unsigned int (*msgs_missing) (void),
void (*target_set_completed) (
void *context)
);
extern void *totemrrp_buffer_alloc (
void *rrp_context);
extern void totemrrp_buffer_release (
void *rrp_context,
void *ptr);
extern int totemrrp_processor_count_set (
void *rrp_context,
unsigned int processor_count);
extern int totemrrp_token_send (
void *rrp_context,
const void *msg,
unsigned int msg_len);
extern int totemrrp_mcast_noflush_send (
void *rrp_context,
const void *msg,
unsigned int msg_len);
extern int totemrrp_mcast_flush_send (
void *rrp_context,
const void *msg,
unsigned int msg_len);
extern int totemrrp_recv_flush (
void *rrp_context);
extern int totemrrp_send_flush (
void *rrp_context);
extern int totemrrp_token_target_set (
void *rrp_context,
struct totem_ip_address *target,
unsigned int iface_no);
extern int totemrrp_iface_check (void *rrp_context);
extern int totemrrp_finalize (void *rrp_context);
extern int totemrrp_ifaces_get (
void *rrp_context,
char ***status,
unsigned int *iface_count);
extern int totemrrp_crypto_set (
void *rrp_context,
const char *cipher_type,
const char *hash_type);
extern int totemrrp_ring_reenable (
void *rrp_context,
unsigned int iface_no);
extern int totemrrp_mcast_recv_empty (
void *rrp_context);
extern int totemrrp_member_add (
void *net_context,
const struct totem_ip_address *member,
int iface_no);
extern int totemrrp_member_remove (
void *net_context,
const struct totem_ip_address *member,
int iface_no);
extern void totemrrp_membership_changed (
void *rrp_context,
enum totem_configuration_type configuration_type,
const struct srp_addr *member_list, size_t member_list_entries,
const struct srp_addr *left_list, size_t left_list_entries,
const struct srp_addr *joined_list, size_t joined_list_entries,
const struct memb_ring_id *ring_id);
#endif /* TOTEMRRP_H_DEFINED */

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