FreeBSD/Linux Kernel Cross Reference
sys/netatalk/at_rmx.c
1 /*
2 * Copyright 1994, 1995 Massachusetts Institute of Technology
3 *
4 * Permission to use, copy, modify, and distribute this software and
5 * its documentation for any purpose and without fee is hereby
6 * granted, provided that both the above copyright notice and this
7 * permission notice appear in all copies, that both the above
8 * copyright notice and this permission notice appear in all
9 * supporting documentation, and that the name of M.I.T. not be used
10 * in advertising or publicity pertaining to distribution of the
11 * software without specific, written prior permission. M.I.T. makes
12 * no representations about the suitability of this software for any
13 * purpose. It is provided "as is" without express or implied
14 * warranty.
15 *
16 * THIS SOFTWARE IS PROVIDED BY M.I.T. ``AS IS''. M.I.T. DISCLAIMS
17 * ALL EXPRESS OR IMPLIED WARRANTIES WITH REGARD TO THIS SOFTWARE,
18 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
19 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT
20 * SHALL M.I.T. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
23 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
25 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
26 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * at_rmx.c,v 1.13 1995/05/30 08:09:31 rgrimes Exp
30 */
31
32 /* This code generates debugging traces to the radix code */
33
34 #include <sys/param.h>
35 #include <sys/systm.h>
36 #include <sys/kernel.h>
37 #include <sys/queue.h>
38 #include <sys/socket.h>
39 #include <sys/socketvar.h>
40 #include <sys/mbuf.h>
41 #include <sys/syslog.h>
42
43 #include <net/if.h>
44 #include <net/route.h>
45
46 #include <netatalk/at.h>
47 #include <netatalk/at_extern.h>
48
49 static char hexbuf[256];
50
51 char *
52 prsockaddr(void *v)
53 {
54 char *bp = &hexbuf[0];
55 u_char *cp = v;
56
57 if (v) {
58 int len = *cp;
59 u_char *cplim = cp + len;
60
61 /* return: "(len) hexdump" */
62
63 bp += sprintf(bp, "(%d)", len);
64 for (cp++; cp < cplim && bp < hexbuf+252; cp++) {
65 *bp++ = "0123456789abcdef"[*cp / 16];
66 *bp++ = "0123456789abcdef"[*cp % 16];
67 }
68 } else {
69 bp+= sprintf(bp, "null");
70 }
71 *bp = '\0';
72
73 return &hexbuf[0];
74 }
75
76 static struct radix_node *
77 at_addroute(void *v_arg, void *n_arg, struct radix_node_head *head,
78 struct radix_node *treenodes)
79 {
80 struct radix_node *rn;
81
82 printf("at_addroute: v=%s\n", prsockaddr(v_arg));
83 printf("at_addroute: n=%s\n", prsockaddr(n_arg));
84 printf("at_addroute: head=%x treenodes=%x\n", head, treenodes);
85
86 rn = rn_addroute(v_arg, n_arg, head, treenodes);
87
88 printf("at_addroute: returns rn=%x\n", rn);
89
90 return rn;
91 }
92
93 static struct radix_node *
94 at_matroute(void *v_arg, struct radix_node_head *head)
95 {
96 struct radix_node *rn;
97
98 printf("at_matroute: v=%s\n", prsockaddr(v_arg));
99 printf("at_matroute: head=%x\n", head);
100
101 rn = rn_match(v_arg, head);
102
103 printf("at_matroute: returns rn=%x\n", rn);
104
105 return rn;
106 }
107
108 static struct radix_node *
109 at_lookup(void *v_arg, void *m_arg, struct radix_node_head *head)
110 {
111 struct radix_node *rn;
112
113 printf("at_lookup: v=%s\n", prsockaddr(v_arg));
114 printf("at_lookup: n=%s\n", prsockaddr(m_arg));
115 printf("at_lookup: head=%x\n", head);
116
117 rn = rn_lookup(v_arg, m_arg, head);
118
119 printf("at_lookup: returns rn=%x\n", rn);
120
121 return rn;
122 }
123
124 static struct radix_node *
125 at_delroute(void *v_arg, void *netmask_arg, struct radix_node_head *head)
126 {
127 struct radix_node *rn;
128
129 printf("at_delroute: v=%s\n", prsockaddr(v_arg));
130 printf("at_delroute: n=%s\n", prsockaddr(netmask_arg));
131 printf("at_delroute: head=%x\n", head);
132
133 rn = rn_delete(v_arg, netmask_arg, head);
134
135 printf("at_delroute: returns rn=%x\n", rn);
136
137 return rn;
138 }
139
140 /*
141 * Initialize our routing tree with debugging hooks.
142 */
143 int
144 at_inithead(void **head, int off)
145 {
146 struct radix_node_head *rnh;
147
148 if(!rn_inithead(head, off))
149 return 0;
150
151 rnh = *head;
152 rnh->rnh_addaddr = at_addroute;
153 rnh->rnh_deladdr = at_delroute;
154 rnh->rnh_matchaddr = at_matroute;
155 rnh->rnh_lookup = at_lookup;
156 return 1;
157 }
158
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