/*-
* Copyright 1994, 1995 Massachusetts Institute of Technology
*
* Permission to use, copy, modify, and distribute this software and
* its documentation for any purpose and without fee is hereby
* granted, provided that both the above copyright notice and this
* permission notice appear in all copies, that both the above
* copyright notice and this permission notice appear in all
* supporting documentation, and that the name of M.I.T. not be used
* in advertising or publicity pertaining to distribution of the
* software without specific, written prior permission. M.I.T. makes
* no representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied
* warranty.
*
* THIS SOFTWARE IS PROVIDED BY M.I.T. ``AS IS''. M.I.T. DISCLAIMS
* ALL EXPRESS OR IMPLIED WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT
* SHALL M.I.T. 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.
*
* at_rmx.c,v 1.13 1995/05/30 08:09:31 rgrimes Exp
* $FreeBSD$
*/
/* This code generates debugging traces to the radix code. */
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/socket.h>
#include <net/route.h>
int at_inithead(void **head, int off);
#define HEXBUF_LEN 256
static const char *
prsockaddr(void *v, char *hexbuf)
{
char *bp = &hexbuf[0];
u_char *cp = v;
if (v != NULL) {
int len = *cp;
u_char *cplim = cp + len;
/* return: "(len) hexdump" */
bp += sprintf(bp, "(%d)", len);
for (cp++; cp < cplim && bp < hexbuf + (HEXBUF_LEN - 4);
cp++) {
*bp++ = "0123456789abcdef"[*cp / 16];
*bp++ = "0123456789abcdef"[*cp % 16];
}
} else
bp+= sprintf(bp, "null");
*bp = '\0';
return (hexbuf);
}
static struct radix_node *
at_addroute(void *v_arg, void *n_arg, struct radix_node_head *head,
struct radix_node *treenodes)
{
struct radix_node *rn;
char hexbuf[HEXBUF_LEN];
printf("at_addroute: v=%s\n", prsockaddr(v_arg, hexbuf));
printf("at_addroute: n=%s\n", prsockaddr(n_arg, hexbuf));
printf("at_addroute: head=%p treenodes=%p\n", (void *)head,
(void *)treenodes);
rn = rn_addroute(v_arg, n_arg, head, treenodes);
printf("at_addroute: returns rn=%p\n", (void *)rn);
return (rn);
}
static struct radix_node *
at_matroute(void *v_arg, struct radix_node_head *head)
{
struct radix_node *rn;
char hexbuf[HEXBUF_LEN];
printf("at_matroute: v=%s\n", prsockaddr(v_arg, hexbuf));
printf("at_matroute: head=%p\n", (void *)head);
rn = rn_match(v_arg, head);
printf("at_matroute: returnr rn=%p\n", (void *)rn);
return (rn);
}
static struct radix_node *
at_lookup(void *v_arg, void *m_arg, struct radix_node_head *head)
{
struct radix_node *rn;
char hexbuf[HEXBUF_LEN];
printf("at_lookup: v=%s\n", prsockaddr(v_arg, hexbuf));
printf("at_lookup: n=%s\n", prsockaddr(m_arg, hexbuf));
printf("at_lookup: head=%p\n", (void *)head);
rn = rn_lookup(v_arg, m_arg, head);
printf("at_lookup: returns rn=%p\n", (void *)rn);
return (rn);
}
static struct radix_node *
at_delroute(void *v_arg, void *netmask_arg, struct radix_node_head *head)
{
struct radix_node *rn;
char hexbuf[HEXBUF_LEN];
printf("at_delroute: v=%s\n", prsockaddr(v_arg, hexbuf));
printf("at_delroute: n=%s\n", prsockaddr(netmask_arg, hexbuf));
printf("at_delroute: head=%p\n", (void *)head);
rn = rn_delete(v_arg, netmask_arg, head);
printf("at_delroute: returns rn=%p\n", (void *)rn);
return (rn);
}
/*
* Initialize our routing tree with debugging hooks.
*/
int
at_inithead(void **head, int off)
{
struct radix_node_head *rnh;
if (!rn_inithead(head, off))
return (0);
rnh = *head;
rnh->rnh_addaddr = at_addroute;
rnh->rnh_deladdr = at_delroute;
rnh->rnh_matchaddr = at_matroute;
rnh->rnh_lookup = at_lookup;
return (1);
}
