ospf6_proto.c
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上传日期:2009-11-15
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文件大小:2k
- /*
- * Copyright (C) 2003 Yasuhiro Ohara
- *
- * This file is part of GNU Zebra.
- *
- * GNU Zebra is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2, or (at your option) any
- * later version.
- *
- * GNU Zebra is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Zebra; see the file COPYING. If not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
- #include <zebra.h>
- #include "log.h"
- #include "ospf6_proto.h"
- void
- ospf6_prefix_apply_mask (struct ospf6_prefix *op)
- {
- u_char *pnt, mask;
- int index, offset;
- pnt = (u_char *)((caddr_t) op + sizeof (struct ospf6_prefix));
- index = op->prefix_length / 8;
- offset = op->prefix_length % 8;
- mask = 0xff << (8 - offset);
- if (index > 16)
- {
- zlog_warn ("Prefix length too long: %d", op->prefix_length);
- return;
- }
- if (index == 16)
- return;
- pnt[index] &= mask;
- index ++;
- while (index < OSPF6_PREFIX_SPACE (op->prefix_length))
- pnt[index++] = 0;
- }
- void
- ospf6_prefix_options_printbuf (u_int8_t prefix_options, char *buf, int size)
- {
- snprintf (buf, size, "xxx");
- }
- void
- ospf6_capability_printbuf (char capability, char *buf, int size)
- {
- char w, v, e, b;
- w = (capability & OSPF6_ROUTER_BIT_W ? 'W' : '-');
- v = (capability & OSPF6_ROUTER_BIT_V ? 'V' : '-');
- e = (capability & OSPF6_ROUTER_BIT_E ? 'E' : '-');
- b = (capability & OSPF6_ROUTER_BIT_B ? 'B' : '-');
- snprintf (buf, size, "----%c%c%c%c", w, v, e, b);
- }
- void
- ospf6_options_printbuf (u_char *options, char *buf, int size)
- {
- char *dc, *r, *n, *mc, *e, *v6;
- dc = (OSPF6_OPT_ISSET (options, OSPF6_OPT_DC) ? "DC" : "--");
- r = (OSPF6_OPT_ISSET (options, OSPF6_OPT_R) ? "R" : "-" );
- n = (OSPF6_OPT_ISSET (options, OSPF6_OPT_N) ? "N" : "-" );
- mc = (OSPF6_OPT_ISSET (options, OSPF6_OPT_MC) ? "MC" : "--");
- e = (OSPF6_OPT_ISSET (options, OSPF6_OPT_E) ? "E" : "-" );
- v6 = (OSPF6_OPT_ISSET (options, OSPF6_OPT_V6) ? "V6" : "--");
- snprintf (buf, size, "%s|%s|%s|%s|%s|%s", dc, r, n, mc, e, v6);
- }