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totemmrp.c
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/*
* Copyright (c) 2005 MontaVista Software, Inc.
*
* All rights reserved.
*
* Author: Steven Dake (sdake@mvista.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 <assert.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/sysinfo.h>
#include <sys/ioctl.h>
#include <sys/param.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <linux/if.h>
#include <linux/sockios.h>
#include <unistd.h>
#include <fcntl.h>
#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
#include <signal.h>
#include <sched.h>
#include <time.h>
#include <sys/time.h>
#include <sys/poll.h>
#include "totem.h"
#include "totemsrp.h"
#include "aispoll.h"
totemsrp_handle totemsrp_handle_in;
void (*pg_deliver_fn) (
struct totem_ip_address *source_addr,
struct iovec *iovec,
int iov_len,
int endian_conversion_required) = 0;
void (*pg_confchg_fn) (
enum totem_configuration_type configuration_type,
struct totem_ip_address *member_list, int member_list_entries,
struct totem_ip_address *left_list, int left_list_entries,
struct totem_ip_address *joined_list, int joined_list_entries,
struct memb_ring_id *ring_id) = 0;
void totemmrp_deliver_fn (
struct totem_ip_address *source_addr,
struct iovec *iovec,
int iov_len,
int endian_conversion_required)
{
pg_deliver_fn (source_addr, iovec, iov_len, endian_conversion_required);
}
void totemmrp_confchg_fn (
enum totem_configuration_type configuration_type,
struct totem_ip_address *member_list, int member_list_entries,
struct totem_ip_address *left_list, int left_list_entries,
struct totem_ip_address *joined_list, int joined_list_entries,
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 (
poll_handle poll_handle,
struct totem_config *totem_config,
void (*deliver_fn) (
struct totem_ip_address *source_addr,
struct iovec *iovec,
int iov_len,
int endian_conversion_required),
void (*confchg_fn) (
enum totem_configuration_type configuration_type,
struct totem_ip_address *member_list, int member_list_entries,
struct totem_ip_address *left_list, int left_list_entries,
struct totem_ip_address *joined_list, int joined_list_entries,
struct memb_ring_id *ring_id))
{
int result;
pg_deliver_fn = deliver_fn;
pg_confchg_fn = confchg_fn;
result = totemsrp_initialize (
poll_handle,
&totemsrp_handle_in,
totem_config,
totemmrp_deliver_fn,
totemmrp_confchg_fn);
return (result);
}
void totemmrp_finalize (void)
{
totemsrp_finalize (totemsrp_handle_in);
}
/*
* Multicast a message
*/
int totemmrp_mcast (
struct iovec *iovec,
int iov_len,
int priority)
{
return totemsrp_mcast (totemsrp_handle_in, iovec, iov_len, priority);
}
/*
* Return number of available messages that can be queued
*/
int totemmrp_avail (void)
{
return (totemsrp_avail (totemsrp_handle_in));
}
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, void *),
void *data)
{
return totemsrp_callback_token_create (totemsrp_handle_in, handle_out, type, delete, callback_fn, data);
}
void totemmrp_callback_token_destroy (
void *handle_out)
{
totemsrp_callback_token_destroy (totemsrp_handle_in, handle_out);
}
void totemmrp_new_msg_signal (void) {
totemsrp_new_msg_signal (totemsrp_handle_in);
}

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totemmrp.c (5 KB)

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