mirror of
https://git.proxmox.com/git/mirror_corosync
synced 2025-10-31 17:54:14 +00:00
71f044bfe7
This API allows totem to operate as a multithreaded library. Performance is better without threads but some library users may only have multithreaded systems. In the corosync case where we have removed threads, this reduces cpu utilization by ~10% by removing about 50% of the mutex lock and unlock calls that occur during typical operation. Since the latest corosync is nearly thread free, there is no need for mutex operations. Signed-off-by: Steven Dake <sdake@redhat.com> Reviewed-by: Angus Salkeld <asalkeld@redhat.com>
140 lines
4.1 KiB
C
140 lines
4.1 KiB
C
/*
|
|
* Copyright (c) 2003-2005 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 Single Ring Protocol
|
|
*
|
|
* depends on poll abstraction, POSIX, IPV4
|
|
*/
|
|
|
|
#ifndef TOTEMSRP_H_DEFINED
|
|
#define TOTEMSRP_H_DEFINED
|
|
|
|
#include <corosync/totem/totem.h>
|
|
#include <qb/qbloop.h>
|
|
|
|
/**
|
|
* Create a protocol instance
|
|
*/
|
|
int totemsrp_initialize (
|
|
qb_loop_t *poll_handle,
|
|
void **srp_context,
|
|
struct totem_config *totem_config,
|
|
totemmrp_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 totemsrp_finalize (void *srp_context);
|
|
|
|
/**
|
|
* Multicast a message
|
|
*/
|
|
int totemsrp_mcast (
|
|
void *srp_context,
|
|
struct iovec *iovec,
|
|
unsigned int iov_len,
|
|
int priority);
|
|
|
|
/**
|
|
* Return number of available messages that can be queued
|
|
*/
|
|
int totemsrp_avail (void *srp_context);
|
|
|
|
int totemsrp_callback_token_create (
|
|
void *srp_context,
|
|
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 totemsrp_callback_token_destroy (
|
|
void *srp_context,
|
|
void **handle_out);
|
|
|
|
void totemsrp_event_signal (void *srp_context, enum totem_event_type type, int value);
|
|
|
|
extern void totemsrp_net_mtu_adjust (struct totem_config *totem_config);
|
|
|
|
extern int totemsrp_ifaces_get (
|
|
void *srp_context,
|
|
unsigned int nodeid,
|
|
struct totem_ip_address *interfaces,
|
|
char ***status,
|
|
unsigned int *iface_count);
|
|
|
|
extern unsigned int totemsrp_my_nodeid_get (
|
|
void *srp_context);
|
|
|
|
extern int totemsrp_my_family_get (
|
|
void *srp_context);
|
|
|
|
extern int totemsrp_crypto_set (
|
|
void *srp_context,
|
|
unsigned int type);
|
|
|
|
extern int totemsrp_ring_reenable (
|
|
void *srp_context);
|
|
|
|
void totemsrp_service_ready_register (
|
|
void *srp_context,
|
|
void (*totem_service_ready) (void));
|
|
|
|
extern int totemsrp_member_add (
|
|
void *srp_context,
|
|
const struct totem_ip_address *member,
|
|
int ring_no);
|
|
|
|
extern int totemsrp_member_remove (
|
|
void *srp_context,
|
|
const struct totem_ip_address *member,
|
|
int ring_no);
|
|
|
|
void totemsrp_threaded_mode_enable (
|
|
void *srp_context);
|
|
|
|
#endif /* TOTEMSRP_H_DEFINED */
|