mirror of https://github.com/apache/cloudstack.git
96 lines
2.7 KiB
C
96 lines
2.7 KiB
C
/*
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* Copyright (C) 2004, 2005 Mike Wray <mike.wray@hp.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free software Foundation, Inc.,
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* 59 Temple Place, suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#ifndef _VNET_VARP_UTIL_H
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#define _VNET_VARP_UTIL_H
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#include "hash_table.h"
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/** Size of a string buffer to store a varp address. */
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#define VARP_ADDR_BUF 56
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/** Size of a string buffer to store a vnet id. */
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#define VNET_ID_BUF 56
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#ifndef NIPQUAD
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#define NIPQUAD(addr) \
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((unsigned char *)&addr)[0], \
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((unsigned char *)&addr)[1], \
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((unsigned char *)&addr)[2], \
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((unsigned char *)&addr)[3]
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#endif
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#ifndef NIP6
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#define NIP6(addr) \
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ntohs((addr).s6_addr16[0]), \
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ntohs((addr).s6_addr16[1]), \
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ntohs((addr).s6_addr16[2]), \
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ntohs((addr).s6_addr16[3]), \
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ntohs((addr).s6_addr16[4]), \
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ntohs((addr).s6_addr16[5]), \
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ntohs((addr).s6_addr16[6]), \
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ntohs((addr).s6_addr16[7])
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#endif
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static inline const char *VarpAddr_ntoa(VarpAddr *addr, char buf[VARP_ADDR_BUF])
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{
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switch(addr->family){
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default:
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case AF_INET:
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snprintf(buf, VARP_ADDR_BUF-1, "%u.%u.%u.%u",
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NIPQUAD(addr->u.ip4));
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break;
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case AF_INET6:
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snprintf(buf, VARP_ADDR_BUF-1,"%04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x",
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NIP6(addr->u.ip6));
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break;
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}
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return buf;
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}
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static inline const char *VnetId_ntoa(VnetId *vnet, char buf[VNET_ID_BUF])
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{
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snprintf(buf, VNET_ID_BUF-1, "%04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x",
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ntohs(vnet->u.vnet16[0]), \
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ntohs(vnet->u.vnet16[1]), \
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ntohs(vnet->u.vnet16[2]), \
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ntohs(vnet->u.vnet16[3]), \
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ntohs(vnet->u.vnet16[4]), \
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ntohs(vnet->u.vnet16[5]), \
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ntohs(vnet->u.vnet16[6]), \
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ntohs(vnet->u.vnet16[7]));
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return buf;
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}
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extern int VnetId_aton(const char *s, VnetId *vnet);
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/** Convert an unsigned in host order to a vnet id.
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*/
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static inline struct VnetId toVnetId(uint32_t vnetid){
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struct VnetId vnet = {};
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vnet.u.vnet32[VNETID_SIZE32 - 1] = htonl(vnetid);
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return vnet;
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}
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static inline int VnetId_eq(VnetId *id1, VnetId *id2){
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return memcmp(id1, id2, sizeof(VnetId)) == 0;
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}
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#endif /* _VNET_VARP_UTIL_H */
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