source: UsbWattMeter/trunk/lwip-1.4.1/src/include/lwip/snmp_asn1.h@ 164

Last change on this file since 164 was 164, checked in by coas-nagasima, 7 years ago

TOPPERS/ECNLサンプルアプリ「USB充電器電力計」を追加

  • Property svn:eol-style set to native
  • Property svn:keywords set to Id
  • Property svn:mime-type set to text/x-chdr
File size: 3.9 KB
Line 
1/**
2 * @file
3 * Abstract Syntax Notation One (ISO 8824, 8825) codec.
4 */
5
6/*
7 * Copyright (c) 2006 Axon Digital Design B.V., The Netherlands.
8 * All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without modification,
11 * are permitted provided that the following conditions are met:
12 *
13 * 1. Redistributions of source code must retain the above copyright notice,
14 * this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright notice,
16 * this list of conditions and the following disclaimer in the documentation
17 * and/or other materials provided with the distribution.
18 * 3. The name of the author may not be used to endorse or promote products
19 * derived from this software without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
22 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
23 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
24 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
25 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
26 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
29 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
30 * OF SUCH DAMAGE.
31 *
32 * Author: Christiaan Simons <christiaan.simons@axon.tv>
33 */
34
35#ifndef __LWIP_SNMP_ASN1_H__
36#define __LWIP_SNMP_ASN1_H__
37
38#include "lwip/opt.h"
39#include "lwip/err.h"
40#include "lwip/pbuf.h"
41#include "lwip/snmp.h"
42
43#if LWIP_SNMP
44
45#ifdef __cplusplus
46extern "C" {
47#endif
48
49#define SNMP_ASN1_UNIV (0) /* (!0x80 | !0x40) */
50#define SNMP_ASN1_APPLIC (0x40) /* (!0x80 | 0x40) */
51#define SNMP_ASN1_CONTXT (0x80) /* ( 0x80 | !0x40) */
52
53#define SNMP_ASN1_CONSTR (0x20) /* ( 0x20) */
54#define SNMP_ASN1_PRIMIT (0) /* (!0x20) */
55
56/* universal tags */
57#define SNMP_ASN1_INTEG 2
58#define SNMP_ASN1_OC_STR 4
59#define SNMP_ASN1_NUL 5
60#define SNMP_ASN1_OBJ_ID 6
61#define SNMP_ASN1_SEQ 16
62
63/* application specific (SNMP) tags */
64#define SNMP_ASN1_IPADDR 0 /* octet string size(4) */
65#define SNMP_ASN1_COUNTER 1 /* u32_t */
66#define SNMP_ASN1_GAUGE 2 /* u32_t */
67#define SNMP_ASN1_TIMETICKS 3 /* u32_t */
68#define SNMP_ASN1_OPAQUE 4 /* octet string */
69
70/* context specific (SNMP) tags */
71#define SNMP_ASN1_PDU_GET_REQ 0
72#define SNMP_ASN1_PDU_GET_NEXT_REQ 1
73#define SNMP_ASN1_PDU_GET_RESP 2
74#define SNMP_ASN1_PDU_SET_REQ 3
75#define SNMP_ASN1_PDU_TRAP 4
76
77err_t snmp_asn1_dec_type(struct pbuf *p, u16_t ofs, u8_t *type);
78err_t snmp_asn1_dec_length(struct pbuf *p, u16_t ofs, u8_t *octets_used, u16_t *length);
79err_t snmp_asn1_dec_u32t(struct pbuf *p, u16_t ofs, u16_t len, u32_t *value);
80err_t snmp_asn1_dec_s32t(struct pbuf *p, u16_t ofs, u16_t len, s32_t *value);
81err_t snmp_asn1_dec_oid(struct pbuf *p, u16_t ofs, u16_t len, struct snmp_obj_id *oid);
82err_t snmp_asn1_dec_raw(struct pbuf *p, u16_t ofs, u16_t len, u16_t raw_len, u8_t *raw);
83
84void snmp_asn1_enc_length_cnt(u16_t length, u8_t *octets_needed);
85void snmp_asn1_enc_u32t_cnt(u32_t value, u16_t *octets_needed);
86void snmp_asn1_enc_s32t_cnt(s32_t value, u16_t *octets_needed);
87void snmp_asn1_enc_oid_cnt(u8_t ident_len, s32_t *ident, u16_t *octets_needed);
88err_t snmp_asn1_enc_type(struct pbuf *p, u16_t ofs, u8_t type);
89err_t snmp_asn1_enc_length(struct pbuf *p, u16_t ofs, u16_t length);
90err_t snmp_asn1_enc_u32t(struct pbuf *p, u16_t ofs, u16_t octets_needed, u32_t value);
91err_t snmp_asn1_enc_s32t(struct pbuf *p, u16_t ofs, u16_t octets_needed, s32_t value);
92err_t snmp_asn1_enc_oid(struct pbuf *p, u16_t ofs, u8_t ident_len, s32_t *ident);
93err_t snmp_asn1_enc_raw(struct pbuf *p, u16_t ofs, u16_t raw_len, u8_t *raw);
94
95#ifdef __cplusplus
96}
97#endif
98
99#endif /* LWIP_SNMP */
100
101#endif /* __LWIP_SNMP_ASN1_H__ */
Note: See TracBrowser for help on using the repository browser.