File:  [ELWIX - Embedded LightWeight unIX -] / embedaddon / quagga / ospf6d / ospf6_proto.c
Revision 1.1.1.2 (vendor branch): download - view: text, annotated - select for diffs - revision graph
Tue Oct 9 09:22:28 2012 UTC (11 years, 9 months ago) by misho
Branches: quagga, MAIN
CVS tags: v1_0_20160315, v0_99_22p0, v0_99_22, v0_99_21, HEAD
quagga

    1: /*
    2:  * Copyright (C) 2003 Yasuhiro Ohara
    3:  *
    4:  * This file is part of GNU Zebra.
    5:  *
    6:  * GNU Zebra is free software; you can redistribute it and/or modify it
    7:  * under the terms of the GNU General Public License as published by the
    8:  * Free Software Foundation; either version 2, or (at your option) any
    9:  * later version.
   10:  *
   11:  * GNU Zebra is distributed in the hope that it will be useful, but
   12:  * WITHOUT ANY WARRANTY; without even the implied warranty of
   13:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   14:  * General Public License for more details.
   15:  *
   16:  * You should have received a copy of the GNU General Public License
   17:  * along with GNU Zebra; see the file COPYING.  If not, write to the 
   18:  * Free Software Foundation, Inc., 59 Temple Place - Suite 330, 
   19:  * Boston, MA 02111-1307, USA.  
   20:  */
   21: 
   22: #include <zebra.h>
   23: 
   24: #include "log.h"
   25: 
   26: #include "ospf6_proto.h"
   27: 
   28: void
   29: ospf6_prefix_apply_mask (struct ospf6_prefix *op)
   30: {
   31:   u_char *pnt, mask;
   32:   int index, offset;
   33: 
   34:   pnt = (u_char *)((caddr_t) op + sizeof (struct ospf6_prefix));
   35:   index = op->prefix_length / 8;
   36:   offset = op->prefix_length % 8;
   37:   mask = 0xff << (8 - offset);
   38: 
   39:   if (index > 16)
   40:     {
   41:       zlog_warn ("Prefix length too long: %d", op->prefix_length);
   42:       return;
   43:     }
   44: 
   45:   /* nonzero mask means no check for this byte because if it contains
   46:    * prefix bits it must be there for us to write */
   47:   if (mask)
   48:     pnt[index++] &= mask;
   49: 
   50:   while (index < OSPF6_PREFIX_SPACE (op->prefix_length))
   51:     pnt[index++] = 0;
   52: }
   53: 
   54: void
   55: ospf6_prefix_options_printbuf (u_int8_t prefix_options, char *buf, int size)
   56: {
   57:   snprintf (buf, size, "xxx");
   58: }
   59: 
   60: void
   61: ospf6_capability_printbuf (char capability, char *buf, int size)
   62: {
   63:   char w, v, e, b;
   64:   w = (capability & OSPF6_ROUTER_BIT_W ? 'W' : '-');
   65:   v = (capability & OSPF6_ROUTER_BIT_V ? 'V' : '-');
   66:   e = (capability & OSPF6_ROUTER_BIT_E ? 'E' : '-');
   67:   b = (capability & OSPF6_ROUTER_BIT_B ? 'B' : '-');
   68:   snprintf (buf, size, "----%c%c%c%c", w, v, e, b);
   69: }
   70: 
   71: void
   72: ospf6_options_printbuf (u_char *options, char *buf, int size)
   73: {
   74:   const char *dc, *r, *n, *mc, *e, *v6;
   75:   dc = (OSPF6_OPT_ISSET (options, OSPF6_OPT_DC) ? "DC" : "--");
   76:   r  = (OSPF6_OPT_ISSET (options, OSPF6_OPT_R)  ? "R"  : "-" );
   77:   n  = (OSPF6_OPT_ISSET (options, OSPF6_OPT_N)  ? "N"  : "-" );
   78:   mc = (OSPF6_OPT_ISSET (options, OSPF6_OPT_MC) ? "MC" : "--");
   79:   e  = (OSPF6_OPT_ISSET (options, OSPF6_OPT_E)  ? "E"  : "-" );
   80:   v6 = (OSPF6_OPT_ISSET (options, OSPF6_OPT_V6) ? "V6" : "--");
   81:   snprintf (buf, size, "%s|%s|%s|%s|%s|%s", dc, r, n, mc, e, v6);
   82: }
   83: 
   84: 

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