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/contrib/bsnmp/snmp_mibII/mibII_ifmib.c

https://bitbucket.org/freebsd/freebsd-head/
C | 76 lines | 33 code | 8 blank | 35 comment | 4 complexity | be934cfe84677a3723a7ec1aefc67264 MD5 | raw file
 1/*
 2 * Copyright (c) 2001-2003
 3 *	Fraunhofer Institute for Open Communication Systems (FhG Fokus).
 4 *	All rights reserved.
 5 *
 6 * Author: Harti Brandt <harti@freebsd.org>
 7 * 
 8 * Redistribution and use in source and binary forms, with or without
 9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 * 
17 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * $Begemot: bsnmp/snmp_mibII/mibII_ifmib.c,v 1.9 2004/08/06 08:47:00 brandt Exp $
30 *
31 * Interfaces group.
32 */
33#include "mibII.h"
34#include "mibII_oid.h"
35
36/*
37 * Scalars
38 */
39int
40op_ifmib(struct snmp_context *ctx __unused, struct snmp_value *value,
41    u_int sub, u_int idx __unused, enum snmp_op op)
42{
43	switch (op) {
44
45	  case SNMP_OP_GETNEXT:
46		abort();
47
48	  case SNMP_OP_GET:
49		break;
50
51	  case SNMP_OP_SET:
52		return (SNMP_ERR_NOT_WRITEABLE);
53
54	  case SNMP_OP_ROLLBACK:
55	  case SNMP_OP_COMMIT:
56		abort();
57	}
58
59	switch (value->var.subs[sub - 1]) {
60
61	  case LEAF_ifTableLastChange:
62		if (mib_iftable_last_change > start_tick)
63			value->v.uint32 = mib_iftable_last_change - start_tick;
64		else
65			value->v.uint32 = 0;
66		break;
67
68	  case LEAF_ifStackLastChange:
69		if (mib_ifstack_last_change > start_tick)
70			value->v.uint32 = mib_ifstack_last_change - start_tick;
71		else
72			value->v.uint32 = 0;
73		break;
74	}
75	return (SNMP_ERR_NOERROR);
76}