mirror_corosync/exec/totemip.h
Steven Dake d248cfb8ae defect 981
big endian and little endian in the same network causes infinite loop.  This
patch fixes that problem for the totem layer only.  Other components are not
resolved.


git-svn-id: http://svn.fedorahosted.org/svn/corosync/trunk@922 fd59a12c-fef9-0310-b244-a6a79926bd2f
2006-02-11 22:25:54 +00:00

75 lines
3.2 KiB
C

/*
* Copyright (c) 2005 Red Hat Inc
*
* All rights reserved.
*
* Author: Patrick Caulfield (pcaulfie@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.
*/
/* IPv4/6 abstraction */
#ifndef TOTEMIP_H_DEFINED
#define TOTEMIP_H_DEFINED
#define TOTEMIP_ADDRLEN (sizeof(struct in6_addr))
/* These are the things that get passed around */
struct totem_ip_address
{
unsigned int nodeid;
unsigned short family;
unsigned char addr[TOTEMIP_ADDRLEN];
} __attribute__((packed));
extern int totemip_equal(struct totem_ip_address *addr1, struct totem_ip_address *addr2);
extern int totemip_compare(const void *a, const void *b);
extern void totemip_copy(struct totem_ip_address *addr1, struct totem_ip_address *addr2);
extern void totemip_copy_endian_convert(struct totem_ip_address *addr1, struct totem_ip_address *addr2);
int totemip_localhost(int family, struct totem_ip_address *localhost);
extern int totemip_localhost_check(struct totem_ip_address *addr);
extern const char *totemip_print(struct totem_ip_address *addr);
extern int totemip_sockaddr_to_totemip_convert(struct sockaddr_storage *saddr, struct totem_ip_address *ip_addr);
extern int totemip_totemip_to_sockaddr_convert(struct totem_ip_address *ip_addr,
uint16_t port, struct sockaddr_storage *saddr, int *addrlen);
extern int totemip_parse(struct totem_ip_address *totemip, char *addr);
extern int totemip_iface_check(struct totem_ip_address *bindnet, struct totem_ip_address *boundto, int *interface_up, int *interface_num);
/* These two simulate a zero in_addr by clearing the family field */
static inline void totemip_zero_set(struct totem_ip_address *addr)
{
addr->family = 0;
}
static inline int totemip_zero_check(struct totem_ip_address *addr)
{
return (addr->family == 0);
}
#endif