hattori&ide

Dependencies:   mbed

Committer:
hattori_atsushi
Date:
Sun Dec 18 08:16:01 2022 +0000
Revision:
0:f77369cabd75
hattori

Who changed what in which revision?

UserRevisionLine numberNew contents of line
hattori_atsushi 0:f77369cabd75 1 /**
hattori_atsushi 0:f77369cabd75 2 * @file
hattori_atsushi 0:f77369cabd75 3 * SNMP Agent message handling structures.
hattori_atsushi 0:f77369cabd75 4 */
hattori_atsushi 0:f77369cabd75 5
hattori_atsushi 0:f77369cabd75 6 /*
hattori_atsushi 0:f77369cabd75 7 * Copyright (c) 2006 Axon Digital Design B.V., The Netherlands.
hattori_atsushi 0:f77369cabd75 8 * All rights reserved.
hattori_atsushi 0:f77369cabd75 9 *
hattori_atsushi 0:f77369cabd75 10 * Redistribution and use in source and binary forms, with or without modification,
hattori_atsushi 0:f77369cabd75 11 * are permitted provided that the following conditions are met:
hattori_atsushi 0:f77369cabd75 12 *
hattori_atsushi 0:f77369cabd75 13 * 1. Redistributions of source code must retain the above copyright notice,
hattori_atsushi 0:f77369cabd75 14 * this list of conditions and the following disclaimer.
hattori_atsushi 0:f77369cabd75 15 * 2. Redistributions in binary form must reproduce the above copyright notice,
hattori_atsushi 0:f77369cabd75 16 * this list of conditions and the following disclaimer in the documentation
hattori_atsushi 0:f77369cabd75 17 * and/or other materials provided with the distribution.
hattori_atsushi 0:f77369cabd75 18 * 3. The name of the author may not be used to endorse or promote products
hattori_atsushi 0:f77369cabd75 19 * derived from this software without specific prior written permission.
hattori_atsushi 0:f77369cabd75 20 *
hattori_atsushi 0:f77369cabd75 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
hattori_atsushi 0:f77369cabd75 22 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
hattori_atsushi 0:f77369cabd75 23 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
hattori_atsushi 0:f77369cabd75 24 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
hattori_atsushi 0:f77369cabd75 25 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
hattori_atsushi 0:f77369cabd75 26 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
hattori_atsushi 0:f77369cabd75 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
hattori_atsushi 0:f77369cabd75 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
hattori_atsushi 0:f77369cabd75 29 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
hattori_atsushi 0:f77369cabd75 30 * OF SUCH DAMAGE.
hattori_atsushi 0:f77369cabd75 31 *
hattori_atsushi 0:f77369cabd75 32 * Author: Christiaan Simons <christiaan.simons@axon.tv>
hattori_atsushi 0:f77369cabd75 33 */
hattori_atsushi 0:f77369cabd75 34
hattori_atsushi 0:f77369cabd75 35 #ifndef __LWIP_SNMP_MSG_H__
hattori_atsushi 0:f77369cabd75 36 #define __LWIP_SNMP_MSG_H__
hattori_atsushi 0:f77369cabd75 37
hattori_atsushi 0:f77369cabd75 38 #include "lwip/opt.h"
hattori_atsushi 0:f77369cabd75 39 #include "lwip/snmp.h"
hattori_atsushi 0:f77369cabd75 40 #include "lwip/snmp_structs.h"
hattori_atsushi 0:f77369cabd75 41 #include "lwip/ip_addr.h"
hattori_atsushi 0:f77369cabd75 42 #include "lwip/err.h"
hattori_atsushi 0:f77369cabd75 43
hattori_atsushi 0:f77369cabd75 44 #if LWIP_SNMP
hattori_atsushi 0:f77369cabd75 45
hattori_atsushi 0:f77369cabd75 46 #if SNMP_PRIVATE_MIB
hattori_atsushi 0:f77369cabd75 47 /* When using a private MIB, you have to create a file 'private_mib.h' that contains
hattori_atsushi 0:f77369cabd75 48 * a 'struct mib_array_node mib_private' which contains your MIB. */
hattori_atsushi 0:f77369cabd75 49 #include "private_mib.h"
hattori_atsushi 0:f77369cabd75 50 #endif
hattori_atsushi 0:f77369cabd75 51
hattori_atsushi 0:f77369cabd75 52 #ifdef __cplusplus
hattori_atsushi 0:f77369cabd75 53 extern "C" {
hattori_atsushi 0:f77369cabd75 54 #endif
hattori_atsushi 0:f77369cabd75 55
hattori_atsushi 0:f77369cabd75 56 /* The listen port of the SNMP agent. Clients have to make their requests to
hattori_atsushi 0:f77369cabd75 57 this port. Most standard clients won't work if you change this! */
hattori_atsushi 0:f77369cabd75 58 #ifndef SNMP_IN_PORT
hattori_atsushi 0:f77369cabd75 59 #define SNMP_IN_PORT 161
hattori_atsushi 0:f77369cabd75 60 #endif
hattori_atsushi 0:f77369cabd75 61 /* The remote port the SNMP agent sends traps to. Most standard trap sinks won't
hattori_atsushi 0:f77369cabd75 62 work if you change this! */
hattori_atsushi 0:f77369cabd75 63 #ifndef SNMP_TRAP_PORT
hattori_atsushi 0:f77369cabd75 64 #define SNMP_TRAP_PORT 162
hattori_atsushi 0:f77369cabd75 65 #endif
hattori_atsushi 0:f77369cabd75 66
hattori_atsushi 0:f77369cabd75 67 #define SNMP_ES_NOERROR 0
hattori_atsushi 0:f77369cabd75 68 #define SNMP_ES_TOOBIG 1
hattori_atsushi 0:f77369cabd75 69 #define SNMP_ES_NOSUCHNAME 2
hattori_atsushi 0:f77369cabd75 70 #define SNMP_ES_BADVALUE 3
hattori_atsushi 0:f77369cabd75 71 #define SNMP_ES_READONLY 4
hattori_atsushi 0:f77369cabd75 72 #define SNMP_ES_GENERROR 5
hattori_atsushi 0:f77369cabd75 73
hattori_atsushi 0:f77369cabd75 74 #define SNMP_GENTRAP_COLDSTART 0
hattori_atsushi 0:f77369cabd75 75 #define SNMP_GENTRAP_WARMSTART 1
hattori_atsushi 0:f77369cabd75 76 #define SNMP_GENTRAP_AUTHFAIL 4
hattori_atsushi 0:f77369cabd75 77 #define SNMP_GENTRAP_ENTERPRISESPC 6
hattori_atsushi 0:f77369cabd75 78
hattori_atsushi 0:f77369cabd75 79 struct snmp_varbind
hattori_atsushi 0:f77369cabd75 80 {
hattori_atsushi 0:f77369cabd75 81 /* next pointer, NULL for last in list */
hattori_atsushi 0:f77369cabd75 82 struct snmp_varbind *next;
hattori_atsushi 0:f77369cabd75 83 /* previous pointer, NULL for first in list */
hattori_atsushi 0:f77369cabd75 84 struct snmp_varbind *prev;
hattori_atsushi 0:f77369cabd75 85
hattori_atsushi 0:f77369cabd75 86 /* object identifier length (in s32_t) */
hattori_atsushi 0:f77369cabd75 87 u8_t ident_len;
hattori_atsushi 0:f77369cabd75 88 /* object identifier array */
hattori_atsushi 0:f77369cabd75 89 s32_t *ident;
hattori_atsushi 0:f77369cabd75 90
hattori_atsushi 0:f77369cabd75 91 /* object value ASN1 type */
hattori_atsushi 0:f77369cabd75 92 u8_t value_type;
hattori_atsushi 0:f77369cabd75 93 /* object value length (in u8_t) */
hattori_atsushi 0:f77369cabd75 94 u8_t value_len;
hattori_atsushi 0:f77369cabd75 95 /* object value */
hattori_atsushi 0:f77369cabd75 96 void *value;
hattori_atsushi 0:f77369cabd75 97
hattori_atsushi 0:f77369cabd75 98 /* encoding varbind seq length length */
hattori_atsushi 0:f77369cabd75 99 u8_t seqlenlen;
hattori_atsushi 0:f77369cabd75 100 /* encoding object identifier length length */
hattori_atsushi 0:f77369cabd75 101 u8_t olenlen;
hattori_atsushi 0:f77369cabd75 102 /* encoding object value length length */
hattori_atsushi 0:f77369cabd75 103 u8_t vlenlen;
hattori_atsushi 0:f77369cabd75 104 /* encoding varbind seq length */
hattori_atsushi 0:f77369cabd75 105 u16_t seqlen;
hattori_atsushi 0:f77369cabd75 106 /* encoding object identifier length */
hattori_atsushi 0:f77369cabd75 107 u16_t olen;
hattori_atsushi 0:f77369cabd75 108 /* encoding object value length */
hattori_atsushi 0:f77369cabd75 109 u16_t vlen;
hattori_atsushi 0:f77369cabd75 110 };
hattori_atsushi 0:f77369cabd75 111
hattori_atsushi 0:f77369cabd75 112 struct snmp_varbind_root
hattori_atsushi 0:f77369cabd75 113 {
hattori_atsushi 0:f77369cabd75 114 struct snmp_varbind *head;
hattori_atsushi 0:f77369cabd75 115 struct snmp_varbind *tail;
hattori_atsushi 0:f77369cabd75 116 /* number of variable bindings in list */
hattori_atsushi 0:f77369cabd75 117 u8_t count;
hattori_atsushi 0:f77369cabd75 118 /* encoding varbind-list seq length length */
hattori_atsushi 0:f77369cabd75 119 u8_t seqlenlen;
hattori_atsushi 0:f77369cabd75 120 /* encoding varbind-list seq length */
hattori_atsushi 0:f77369cabd75 121 u16_t seqlen;
hattori_atsushi 0:f77369cabd75 122 };
hattori_atsushi 0:f77369cabd75 123
hattori_atsushi 0:f77369cabd75 124 /** output response message header length fields */
hattori_atsushi 0:f77369cabd75 125 struct snmp_resp_header_lengths
hattori_atsushi 0:f77369cabd75 126 {
hattori_atsushi 0:f77369cabd75 127 /* encoding error-index length length */
hattori_atsushi 0:f77369cabd75 128 u8_t erridxlenlen;
hattori_atsushi 0:f77369cabd75 129 /* encoding error-status length length */
hattori_atsushi 0:f77369cabd75 130 u8_t errstatlenlen;
hattori_atsushi 0:f77369cabd75 131 /* encoding request id length length */
hattori_atsushi 0:f77369cabd75 132 u8_t ridlenlen;
hattori_atsushi 0:f77369cabd75 133 /* encoding pdu length length */
hattori_atsushi 0:f77369cabd75 134 u8_t pdulenlen;
hattori_atsushi 0:f77369cabd75 135 /* encoding community length length */
hattori_atsushi 0:f77369cabd75 136 u8_t comlenlen;
hattori_atsushi 0:f77369cabd75 137 /* encoding version length length */
hattori_atsushi 0:f77369cabd75 138 u8_t verlenlen;
hattori_atsushi 0:f77369cabd75 139 /* encoding sequence length length */
hattori_atsushi 0:f77369cabd75 140 u8_t seqlenlen;
hattori_atsushi 0:f77369cabd75 141
hattori_atsushi 0:f77369cabd75 142 /* encoding error-index length */
hattori_atsushi 0:f77369cabd75 143 u16_t erridxlen;
hattori_atsushi 0:f77369cabd75 144 /* encoding error-status length */
hattori_atsushi 0:f77369cabd75 145 u16_t errstatlen;
hattori_atsushi 0:f77369cabd75 146 /* encoding request id length */
hattori_atsushi 0:f77369cabd75 147 u16_t ridlen;
hattori_atsushi 0:f77369cabd75 148 /* encoding pdu length */
hattori_atsushi 0:f77369cabd75 149 u16_t pdulen;
hattori_atsushi 0:f77369cabd75 150 /* encoding community length */
hattori_atsushi 0:f77369cabd75 151 u16_t comlen;
hattori_atsushi 0:f77369cabd75 152 /* encoding version length */
hattori_atsushi 0:f77369cabd75 153 u16_t verlen;
hattori_atsushi 0:f77369cabd75 154 /* encoding sequence length */
hattori_atsushi 0:f77369cabd75 155 u16_t seqlen;
hattori_atsushi 0:f77369cabd75 156 };
hattori_atsushi 0:f77369cabd75 157
hattori_atsushi 0:f77369cabd75 158 /** output response message header length fields */
hattori_atsushi 0:f77369cabd75 159 struct snmp_trap_header_lengths
hattori_atsushi 0:f77369cabd75 160 {
hattori_atsushi 0:f77369cabd75 161 /* encoding timestamp length length */
hattori_atsushi 0:f77369cabd75 162 u8_t tslenlen;
hattori_atsushi 0:f77369cabd75 163 /* encoding specific-trap length length */
hattori_atsushi 0:f77369cabd75 164 u8_t strplenlen;
hattori_atsushi 0:f77369cabd75 165 /* encoding generic-trap length length */
hattori_atsushi 0:f77369cabd75 166 u8_t gtrplenlen;
hattori_atsushi 0:f77369cabd75 167 /* encoding agent-addr length length */
hattori_atsushi 0:f77369cabd75 168 u8_t aaddrlenlen;
hattori_atsushi 0:f77369cabd75 169 /* encoding enterprise-id length length */
hattori_atsushi 0:f77369cabd75 170 u8_t eidlenlen;
hattori_atsushi 0:f77369cabd75 171 /* encoding pdu length length */
hattori_atsushi 0:f77369cabd75 172 u8_t pdulenlen;
hattori_atsushi 0:f77369cabd75 173 /* encoding community length length */
hattori_atsushi 0:f77369cabd75 174 u8_t comlenlen;
hattori_atsushi 0:f77369cabd75 175 /* encoding version length length */
hattori_atsushi 0:f77369cabd75 176 u8_t verlenlen;
hattori_atsushi 0:f77369cabd75 177 /* encoding sequence length length */
hattori_atsushi 0:f77369cabd75 178 u8_t seqlenlen;
hattori_atsushi 0:f77369cabd75 179
hattori_atsushi 0:f77369cabd75 180 /* encoding timestamp length */
hattori_atsushi 0:f77369cabd75 181 u16_t tslen;
hattori_atsushi 0:f77369cabd75 182 /* encoding specific-trap length */
hattori_atsushi 0:f77369cabd75 183 u16_t strplen;
hattori_atsushi 0:f77369cabd75 184 /* encoding generic-trap length */
hattori_atsushi 0:f77369cabd75 185 u16_t gtrplen;
hattori_atsushi 0:f77369cabd75 186 /* encoding agent-addr length */
hattori_atsushi 0:f77369cabd75 187 u16_t aaddrlen;
hattori_atsushi 0:f77369cabd75 188 /* encoding enterprise-id length */
hattori_atsushi 0:f77369cabd75 189 u16_t eidlen;
hattori_atsushi 0:f77369cabd75 190 /* encoding pdu length */
hattori_atsushi 0:f77369cabd75 191 u16_t pdulen;
hattori_atsushi 0:f77369cabd75 192 /* encoding community length */
hattori_atsushi 0:f77369cabd75 193 u16_t comlen;
hattori_atsushi 0:f77369cabd75 194 /* encoding version length */
hattori_atsushi 0:f77369cabd75 195 u16_t verlen;
hattori_atsushi 0:f77369cabd75 196 /* encoding sequence length */
hattori_atsushi 0:f77369cabd75 197 u16_t seqlen;
hattori_atsushi 0:f77369cabd75 198 };
hattori_atsushi 0:f77369cabd75 199
hattori_atsushi 0:f77369cabd75 200 /* Accepting new SNMP messages. */
hattori_atsushi 0:f77369cabd75 201 #define SNMP_MSG_EMPTY 0
hattori_atsushi 0:f77369cabd75 202 /* Search for matching object for variable binding. */
hattori_atsushi 0:f77369cabd75 203 #define SNMP_MSG_SEARCH_OBJ 1
hattori_atsushi 0:f77369cabd75 204 /* Perform SNMP operation on in-memory object.
hattori_atsushi 0:f77369cabd75 205 Pass-through states, for symmetry only. */
hattori_atsushi 0:f77369cabd75 206 #define SNMP_MSG_INTERNAL_GET_OBJDEF 2
hattori_atsushi 0:f77369cabd75 207 #define SNMP_MSG_INTERNAL_GET_VALUE 3
hattori_atsushi 0:f77369cabd75 208 #define SNMP_MSG_INTERNAL_SET_TEST 4
hattori_atsushi 0:f77369cabd75 209 #define SNMP_MSG_INTERNAL_GET_OBJDEF_S 5
hattori_atsushi 0:f77369cabd75 210 #define SNMP_MSG_INTERNAL_SET_VALUE 6
hattori_atsushi 0:f77369cabd75 211 /* Perform SNMP operation on object located externally.
hattori_atsushi 0:f77369cabd75 212 In theory this could be used for building a proxy agent.
hattori_atsushi 0:f77369cabd75 213 Practical use is for an enterprise spc. app. gateway. */
hattori_atsushi 0:f77369cabd75 214 #define SNMP_MSG_EXTERNAL_GET_OBJDEF 7
hattori_atsushi 0:f77369cabd75 215 #define SNMP_MSG_EXTERNAL_GET_VALUE 8
hattori_atsushi 0:f77369cabd75 216 #define SNMP_MSG_EXTERNAL_SET_TEST 9
hattori_atsushi 0:f77369cabd75 217 #define SNMP_MSG_EXTERNAL_GET_OBJDEF_S 10
hattori_atsushi 0:f77369cabd75 218 #define SNMP_MSG_EXTERNAL_SET_VALUE 11
hattori_atsushi 0:f77369cabd75 219
hattori_atsushi 0:f77369cabd75 220 #define SNMP_COMMUNITY_STR_LEN 64
hattori_atsushi 0:f77369cabd75 221 struct snmp_msg_pstat
hattori_atsushi 0:f77369cabd75 222 {
hattori_atsushi 0:f77369cabd75 223 /* lwIP local port (161) binding */
hattori_atsushi 0:f77369cabd75 224 struct udp_pcb *pcb;
hattori_atsushi 0:f77369cabd75 225 /* source IP address */
hattori_atsushi 0:f77369cabd75 226 ip_addr_t sip;
hattori_atsushi 0:f77369cabd75 227 /* source UDP port */
hattori_atsushi 0:f77369cabd75 228 u16_t sp;
hattori_atsushi 0:f77369cabd75 229 /* request type */
hattori_atsushi 0:f77369cabd75 230 u8_t rt;
hattori_atsushi 0:f77369cabd75 231 /* request ID */
hattori_atsushi 0:f77369cabd75 232 s32_t rid;
hattori_atsushi 0:f77369cabd75 233 /* error status */
hattori_atsushi 0:f77369cabd75 234 s32_t error_status;
hattori_atsushi 0:f77369cabd75 235 /* error index */
hattori_atsushi 0:f77369cabd75 236 s32_t error_index;
hattori_atsushi 0:f77369cabd75 237 /* community name (zero terminated) */
hattori_atsushi 0:f77369cabd75 238 u8_t community[SNMP_COMMUNITY_STR_LEN + 1];
hattori_atsushi 0:f77369cabd75 239 /* community string length (exclusive zero term) */
hattori_atsushi 0:f77369cabd75 240 u8_t com_strlen;
hattori_atsushi 0:f77369cabd75 241 /* one out of MSG_EMPTY, MSG_DEMUX, MSG_INTERNAL, MSG_EXTERNAL_x */
hattori_atsushi 0:f77369cabd75 242 u8_t state;
hattori_atsushi 0:f77369cabd75 243 /* saved arguments for MSG_EXTERNAL_x */
hattori_atsushi 0:f77369cabd75 244 struct mib_external_node *ext_mib_node;
hattori_atsushi 0:f77369cabd75 245 struct snmp_name_ptr ext_name_ptr;
hattori_atsushi 0:f77369cabd75 246 struct obj_def ext_object_def;
hattori_atsushi 0:f77369cabd75 247 struct snmp_obj_id ext_oid;
hattori_atsushi 0:f77369cabd75 248 /* index into input variable binding list */
hattori_atsushi 0:f77369cabd75 249 u8_t vb_idx;
hattori_atsushi 0:f77369cabd75 250 /* ptr into input variable binding list */
hattori_atsushi 0:f77369cabd75 251 struct snmp_varbind *vb_ptr;
hattori_atsushi 0:f77369cabd75 252 /* list of variable bindings from input */
hattori_atsushi 0:f77369cabd75 253 struct snmp_varbind_root invb;
hattori_atsushi 0:f77369cabd75 254 /* list of variable bindings to output */
hattori_atsushi 0:f77369cabd75 255 struct snmp_varbind_root outvb;
hattori_atsushi 0:f77369cabd75 256 /* output response lengths used in ASN encoding */
hattori_atsushi 0:f77369cabd75 257 struct snmp_resp_header_lengths rhl;
hattori_atsushi 0:f77369cabd75 258 };
hattori_atsushi 0:f77369cabd75 259
hattori_atsushi 0:f77369cabd75 260 struct snmp_msg_trap
hattori_atsushi 0:f77369cabd75 261 {
hattori_atsushi 0:f77369cabd75 262 /* lwIP local port (161) binding */
hattori_atsushi 0:f77369cabd75 263 struct udp_pcb *pcb;
hattori_atsushi 0:f77369cabd75 264 /* destination IP address in network order */
hattori_atsushi 0:f77369cabd75 265 ip_addr_t dip;
hattori_atsushi 0:f77369cabd75 266
hattori_atsushi 0:f77369cabd75 267 /* source enterprise ID (sysObjectID) */
hattori_atsushi 0:f77369cabd75 268 struct snmp_obj_id *enterprise;
hattori_atsushi 0:f77369cabd75 269 /* source IP address, raw network order format */
hattori_atsushi 0:f77369cabd75 270 u8_t sip_raw[4];
hattori_atsushi 0:f77369cabd75 271 /* generic trap code */
hattori_atsushi 0:f77369cabd75 272 u32_t gen_trap;
hattori_atsushi 0:f77369cabd75 273 /* specific trap code */
hattori_atsushi 0:f77369cabd75 274 u32_t spc_trap;
hattori_atsushi 0:f77369cabd75 275 /* timestamp */
hattori_atsushi 0:f77369cabd75 276 u32_t ts;
hattori_atsushi 0:f77369cabd75 277 /* list of variable bindings to output */
hattori_atsushi 0:f77369cabd75 278 struct snmp_varbind_root outvb;
hattori_atsushi 0:f77369cabd75 279 /* output trap lengths used in ASN encoding */
hattori_atsushi 0:f77369cabd75 280 struct snmp_trap_header_lengths thl;
hattori_atsushi 0:f77369cabd75 281 };
hattori_atsushi 0:f77369cabd75 282
hattori_atsushi 0:f77369cabd75 283 /** Agent Version constant, 0 = v1 oddity */
hattori_atsushi 0:f77369cabd75 284 extern const s32_t snmp_version;
hattori_atsushi 0:f77369cabd75 285 /** Agent default "public" community string */
hattori_atsushi 0:f77369cabd75 286 extern const char snmp_publiccommunity[7];
hattori_atsushi 0:f77369cabd75 287
hattori_atsushi 0:f77369cabd75 288 extern struct snmp_msg_trap trap_msg;
hattori_atsushi 0:f77369cabd75 289
hattori_atsushi 0:f77369cabd75 290 /** Agent setup, start listening to port 161. */
hattori_atsushi 0:f77369cabd75 291 void snmp_init(void);
hattori_atsushi 0:f77369cabd75 292 void snmp_trap_dst_enable(u8_t dst_idx, u8_t enable);
hattori_atsushi 0:f77369cabd75 293 void snmp_trap_dst_ip_set(u8_t dst_idx, ip_addr_t *dst);
hattori_atsushi 0:f77369cabd75 294
hattori_atsushi 0:f77369cabd75 295 /** Varbind-list functions. */
hattori_atsushi 0:f77369cabd75 296 struct snmp_varbind* snmp_varbind_alloc(struct snmp_obj_id *oid, u8_t type, u8_t len);
hattori_atsushi 0:f77369cabd75 297 void snmp_varbind_free(struct snmp_varbind *vb);
hattori_atsushi 0:f77369cabd75 298 void snmp_varbind_list_free(struct snmp_varbind_root *root);
hattori_atsushi 0:f77369cabd75 299 void snmp_varbind_tail_add(struct snmp_varbind_root *root, struct snmp_varbind *vb);
hattori_atsushi 0:f77369cabd75 300 struct snmp_varbind* snmp_varbind_tail_remove(struct snmp_varbind_root *root);
hattori_atsushi 0:f77369cabd75 301
hattori_atsushi 0:f77369cabd75 302 /** Handle an internal (recv) or external (private response) event. */
hattori_atsushi 0:f77369cabd75 303 void snmp_msg_event(u8_t request_id);
hattori_atsushi 0:f77369cabd75 304 err_t snmp_send_response(struct snmp_msg_pstat *m_stat);
hattori_atsushi 0:f77369cabd75 305 err_t snmp_send_trap(s8_t generic_trap, struct snmp_obj_id *eoid, s32_t specific_trap);
hattori_atsushi 0:f77369cabd75 306 void snmp_coldstart_trap(void);
hattori_atsushi 0:f77369cabd75 307 void snmp_authfail_trap(void);
hattori_atsushi 0:f77369cabd75 308
hattori_atsushi 0:f77369cabd75 309 #ifdef __cplusplus
hattori_atsushi 0:f77369cabd75 310 }
hattori_atsushi 0:f77369cabd75 311 #endif
hattori_atsushi 0:f77369cabd75 312
hattori_atsushi 0:f77369cabd75 313 #endif /* LWIP_SNMP */
hattori_atsushi 0:f77369cabd75 314
hattori_atsushi 0:f77369cabd75 315 #endif /* __LWIP_SNMP_MSG_H__ */