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totemmrp.c
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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.
*/
#include <config.h>
#include <sys/mman.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/socket.h>
#include <netdb.h>
#include <sys/un.h>
#include <sys/ioctl.h>
#include <sys/param.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <unistd.h>
#include <fcntl.h>
#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
#include <sched.h>
#include <time.h>
#include <sys/time.h>
#include <sys/poll.h>
#include <corosync/totem/totem.h>
#include <qb/qbloop.h>
#include "totemmrp.h"
#include "totemsrp.h"
void *totemsrp_context;
void totemmrp_deliver_fn (
unsigned int nodeid,
const void *msg,
unsigned int msg_len,
int endian_conversion_required);
void totemmrp_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);
void (*pg_deliver_fn) (
unsigned int nodeid,
const void *msg,
unsigned int msg_len,
int endian_conversion_required) = 0;
void (*pg_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) = 0;
void totemmrp_deliver_fn (
unsigned int nodeid,
const void *msg,
unsigned int msg_len,
int endian_conversion_required)
{
pg_deliver_fn (nodeid, msg, msg_len, endian_conversion_required);
}
void totemmrp_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)
{
pg_confchg_fn (configuration_type,
member_list, member_list_entries,
left_list, left_list_entries,
joined_list, joined_list_entries,
ring_id);
}
/*
* Initialize the totem multiple ring protocol
*/
int totemmrp_initialize (
qb_loop_t *poll_handle,
struct totem_config *totem_config,
totempg_stats_t *stats,
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),
void (*waiting_trans_ack_cb_fn) (
int waiting_trans_ack))
{
int result;
pg_deliver_fn = deliver_fn;
pg_confchg_fn = confchg_fn;
stats->mrp = calloc (sizeof(totemmrp_stats_t), 1);
result = totemsrp_initialize (
poll_handle,
&totemsrp_context,
totem_config,
stats->mrp,
totemmrp_deliver_fn,
totemmrp_confchg_fn,
waiting_trans_ack_cb_fn);
return (result);
}
void totemmrp_finalize (void)
{
totemsrp_finalize (totemsrp_context);
}
/*
* Multicast a message
*/
int totemmrp_mcast (
struct iovec *iovec,
unsigned int iov_len,
int priority)
{
return totemsrp_mcast (totemsrp_context, iovec, iov_len, priority);
}
/*
* Return number of available messages that can be queued
*/
int totemmrp_avail (void)
{
return (totemsrp_avail (totemsrp_context));
}
int totemmrp_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)
{
return totemsrp_callback_token_create (totemsrp_context, handle_out, type, delete, callback_fn, data);
}
void totemmrp_callback_token_destroy (
void *handle_out)
{
totemsrp_callback_token_destroy (totemsrp_context, handle_out);
}
void totemmrp_event_signal (enum totem_event_type type, int value)
{
totemsrp_event_signal (totemsrp_context, type, value);
}
int totemmrp_ifaces_get (
unsigned int nodeid,
struct totem_ip_address *interfaces,
unsigned int interfaces_size,
char ***status,
unsigned int *iface_count)
{
int res;
res = totemsrp_ifaces_get (
totemsrp_context,
nodeid,
interfaces,
interfaces_size,
status,
iface_count);
return (res);
}
int totemmrp_crypto_set (
const char *cipher_type,
const char *hash_type)
{
return totemsrp_crypto_set (totemsrp_context,
cipher_type,
hash_type);
}
unsigned int totemmrp_my_nodeid_get (void)
{
return (totemsrp_my_nodeid_get (totemsrp_context));
}
int totemmrp_my_family_get (void)
{
return (totemsrp_my_family_get (totemsrp_context));
}
extern int totemmrp_ring_reenable (void)
{
int res;
res = totemsrp_ring_reenable (
totemsrp_context);
return (res);
}
extern void totemmrp_service_ready_register (
void (*totem_service_ready) (void))
{
totemsrp_service_ready_register (
totemsrp_context,
totem_service_ready);
}
int totemmrp_member_add (
const struct totem_ip_address *member,
int ring_no)
{
int res;
res = totemsrp_member_add (totemsrp_context, member, ring_no);
return (res);
}
int totemmrp_member_remove (
const struct totem_ip_address *member,
int ring_no)
{
int res;
res = totemsrp_member_remove (totemsrp_context, member, ring_no);
return (res);
}
void totemmrp_threaded_mode_enable (void)
{
totemsrp_threaded_mode_enable (totemsrp_context);
}
void totemmrp_trans_ack (void)
{
totemsrp_trans_ack (totemsrp_context);
}

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