Ivan Shindev / lwip

V1

Dependents:   EthernetInterface

Fork of lwip by mbed official

include/lwip/snmp_msg.h@11:c9233fe7de67, 2013-06-13 (annotated)

Committer:
lemniskata
Date:
Thu Jun 13 20:00:31 2013 +0000
Revision:
11:c9233fe7de67
Parent:
0:51ac1d130fd4 
V1

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 0:51ac1d130fd4 1 /**
mbed_official 0:51ac1d130fd4 2 * @file
mbed_official 0:51ac1d130fd4 3 * SNMP Agent message handling structures.
mbed_official 0:51ac1d130fd4 4 */
mbed_official 0:51ac1d130fd4 5
mbed_official 0:51ac1d130fd4 6 /*
mbed_official 0:51ac1d130fd4 7 * Copyright (c) 2006 Axon Digital Design B.V., The Netherlands.
mbed_official 0:51ac1d130fd4 8 * All rights reserved.
mbed_official 0:51ac1d130fd4 9 *
mbed_official 0:51ac1d130fd4 10 * Redistribution and use in source and binary forms, with or without modification,
mbed_official 0:51ac1d130fd4 11 * are permitted provided that the following conditions are met:
mbed_official 0:51ac1d130fd4 12 *
mbed_official 0:51ac1d130fd4 13 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 0:51ac1d130fd4 14 * this list of conditions and the following disclaimer.
mbed_official 0:51ac1d130fd4 15 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 0:51ac1d130fd4 16 * this list of conditions and the following disclaimer in the documentation
mbed_official 0:51ac1d130fd4 17 * and/or other materials provided with the distribution.
mbed_official 0:51ac1d130fd4 18 * 3. The name of the author may not be used to endorse or promote products
mbed_official 0:51ac1d130fd4 19 * derived from this software without specific prior written permission.
mbed_official 0:51ac1d130fd4 20 *
mbed_official 0:51ac1d130fd4 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
mbed_official 0:51ac1d130fd4 22 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
mbed_official 0:51ac1d130fd4 23 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
mbed_official 0:51ac1d130fd4 24 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
mbed_official 0:51ac1d130fd4 25 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
mbed_official 0:51ac1d130fd4 26 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
mbed_official 0:51ac1d130fd4 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
mbed_official 0:51ac1d130fd4 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
mbed_official 0:51ac1d130fd4 29 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
mbed_official 0:51ac1d130fd4 30 * OF SUCH DAMAGE.
mbed_official 0:51ac1d130fd4 31 *
mbed_official 0:51ac1d130fd4 32 * Author: Christiaan Simons <christiaan.simons@axon.tv>
mbed_official 0:51ac1d130fd4 33 */
mbed_official 0:51ac1d130fd4 34
mbed_official 0:51ac1d130fd4 35 #ifndef __LWIP_SNMP_MSG_H__
mbed_official 0:51ac1d130fd4 36 #define __LWIP_SNMP_MSG_H__
mbed_official 0:51ac1d130fd4 37
mbed_official 0:51ac1d130fd4 38 #include "lwip/opt.h"
mbed_official 0:51ac1d130fd4 39 #include "lwip/snmp.h"
mbed_official 0:51ac1d130fd4 40 #include "lwip/snmp_structs.h"
mbed_official 0:51ac1d130fd4 41 #include "lwip/ip_addr.h"
mbed_official 0:51ac1d130fd4 42 #include "lwip/err.h"
mbed_official 0:51ac1d130fd4 43
mbed_official 0:51ac1d130fd4 44 #if LWIP_SNMP
mbed_official 0:51ac1d130fd4 45
mbed_official 0:51ac1d130fd4 46 #if SNMP_PRIVATE_MIB
mbed_official 0:51ac1d130fd4 47 /* When using a private MIB, you have to create a file 'private_mib.h' that contains
mbed_official 0:51ac1d130fd4 48 * a 'struct mib_array_node mib_private' which contains your MIB. */
mbed_official 0:51ac1d130fd4 49 #include "private_mib.h"
mbed_official 0:51ac1d130fd4 50 #endif
mbed_official 0:51ac1d130fd4 51
mbed_official 0:51ac1d130fd4 52 #ifdef __cplusplus
mbed_official 0:51ac1d130fd4 53 extern "C" {
mbed_official 0:51ac1d130fd4 54 #endif
mbed_official 0:51ac1d130fd4 55
mbed_official 0:51ac1d130fd4 56 /* The listen port of the SNMP agent. Clients have to make their requests to
mbed_official 0:51ac1d130fd4 57 this port. Most standard clients won't work if you change this! */
mbed_official 0:51ac1d130fd4 58 #ifndef SNMP_IN_PORT
mbed_official 0:51ac1d130fd4 59 #define SNMP_IN_PORT 161
mbed_official 0:51ac1d130fd4 60 #endif
mbed_official 0:51ac1d130fd4 61 /* The remote port the SNMP agent sends traps to. Most standard trap sinks won't
mbed_official 0:51ac1d130fd4 62 work if you change this! */
mbed_official 0:51ac1d130fd4 63 #ifndef SNMP_TRAP_PORT
mbed_official 0:51ac1d130fd4 64 #define SNMP_TRAP_PORT 162
mbed_official 0:51ac1d130fd4 65 #endif
mbed_official 0:51ac1d130fd4 66
mbed_official 0:51ac1d130fd4 67 #define SNMP_ES_NOERROR 0
mbed_official 0:51ac1d130fd4 68 #define SNMP_ES_TOOBIG 1
mbed_official 0:51ac1d130fd4 69 #define SNMP_ES_NOSUCHNAME 2
mbed_official 0:51ac1d130fd4 70 #define SNMP_ES_BADVALUE 3
mbed_official 0:51ac1d130fd4 71 #define SNMP_ES_READONLY 4
mbed_official 0:51ac1d130fd4 72 #define SNMP_ES_GENERROR 5
mbed_official 0:51ac1d130fd4 73
mbed_official 0:51ac1d130fd4 74 #define SNMP_GENTRAP_COLDSTART 0
mbed_official 0:51ac1d130fd4 75 #define SNMP_GENTRAP_WARMSTART 1
mbed_official 0:51ac1d130fd4 76 #define SNMP_GENTRAP_AUTHFAIL 4
mbed_official 0:51ac1d130fd4 77 #define SNMP_GENTRAP_ENTERPRISESPC 6
mbed_official 0:51ac1d130fd4 78
mbed_official 0:51ac1d130fd4 79 struct snmp_varbind
mbed_official 0:51ac1d130fd4 80 {
mbed_official 0:51ac1d130fd4 81 /* next pointer, NULL for last in list */
mbed_official 0:51ac1d130fd4 82 struct snmp_varbind *next;
mbed_official 0:51ac1d130fd4 83 /* previous pointer, NULL for first in list */
mbed_official 0:51ac1d130fd4 84 struct snmp_varbind *prev;
mbed_official 0:51ac1d130fd4 85
mbed_official 0:51ac1d130fd4 86 /* object identifier length (in s32_t) */
mbed_official 0:51ac1d130fd4 87 u8_t ident_len;
mbed_official 0:51ac1d130fd4 88 /* object identifier array */
mbed_official 0:51ac1d130fd4 89 s32_t *ident;
mbed_official 0:51ac1d130fd4 90
mbed_official 0:51ac1d130fd4 91 /* object value ASN1 type */
mbed_official 0:51ac1d130fd4 92 u8_t value_type;
mbed_official 0:51ac1d130fd4 93 /* object value length (in u8_t) */
mbed_official 0:51ac1d130fd4 94 u8_t value_len;
mbed_official 0:51ac1d130fd4 95 /* object value */
mbed_official 0:51ac1d130fd4 96 void *value;
mbed_official 0:51ac1d130fd4 97
mbed_official 0:51ac1d130fd4 98 /* encoding varbind seq length length */
mbed_official 0:51ac1d130fd4 99 u8_t seqlenlen;
mbed_official 0:51ac1d130fd4 100 /* encoding object identifier length length */
mbed_official 0:51ac1d130fd4 101 u8_t olenlen;
mbed_official 0:51ac1d130fd4 102 /* encoding object value length length */
mbed_official 0:51ac1d130fd4 103 u8_t vlenlen;
mbed_official 0:51ac1d130fd4 104 /* encoding varbind seq length */
mbed_official 0:51ac1d130fd4 105 u16_t seqlen;
mbed_official 0:51ac1d130fd4 106 /* encoding object identifier length */
mbed_official 0:51ac1d130fd4 107 u16_t olen;
mbed_official 0:51ac1d130fd4 108 /* encoding object value length */
mbed_official 0:51ac1d130fd4 109 u16_t vlen;
mbed_official 0:51ac1d130fd4 110 };
mbed_official 0:51ac1d130fd4 111
mbed_official 0:51ac1d130fd4 112 struct snmp_varbind_root
mbed_official 0:51ac1d130fd4 113 {
mbed_official 0:51ac1d130fd4 114 struct snmp_varbind *head;
mbed_official 0:51ac1d130fd4 115 struct snmp_varbind *tail;
mbed_official 0:51ac1d130fd4 116 /* number of variable bindings in list */
mbed_official 0:51ac1d130fd4 117 u8_t count;
mbed_official 0:51ac1d130fd4 118 /* encoding varbind-list seq length length */
mbed_official 0:51ac1d130fd4 119 u8_t seqlenlen;
mbed_official 0:51ac1d130fd4 120 /* encoding varbind-list seq length */
mbed_official 0:51ac1d130fd4 121 u16_t seqlen;
mbed_official 0:51ac1d130fd4 122 };
mbed_official 0:51ac1d130fd4 123
mbed_official 0:51ac1d130fd4 124 /** output response message header length fields */
mbed_official 0:51ac1d130fd4 125 struct snmp_resp_header_lengths
mbed_official 0:51ac1d130fd4 126 {
mbed_official 0:51ac1d130fd4 127 /* encoding error-index length length */
mbed_official 0:51ac1d130fd4 128 u8_t erridxlenlen;
mbed_official 0:51ac1d130fd4 129 /* encoding error-status length length */
mbed_official 0:51ac1d130fd4 130 u8_t errstatlenlen;
mbed_official 0:51ac1d130fd4 131 /* encoding request id length length */
mbed_official 0:51ac1d130fd4 132 u8_t ridlenlen;
mbed_official 0:51ac1d130fd4 133 /* encoding pdu length length */
mbed_official 0:51ac1d130fd4 134 u8_t pdulenlen;
mbed_official 0:51ac1d130fd4 135 /* encoding community length length */
mbed_official 0:51ac1d130fd4 136 u8_t comlenlen;
mbed_official 0:51ac1d130fd4 137 /* encoding version length length */
mbed_official 0:51ac1d130fd4 138 u8_t verlenlen;
mbed_official 0:51ac1d130fd4 139 /* encoding sequence length length */
mbed_official 0:51ac1d130fd4 140 u8_t seqlenlen;
mbed_official 0:51ac1d130fd4 141
mbed_official 0:51ac1d130fd4 142 /* encoding error-index length */
mbed_official 0:51ac1d130fd4 143 u16_t erridxlen;
mbed_official 0:51ac1d130fd4 144 /* encoding error-status length */
mbed_official 0:51ac1d130fd4 145 u16_t errstatlen;
mbed_official 0:51ac1d130fd4 146 /* encoding request id length */
mbed_official 0:51ac1d130fd4 147 u16_t ridlen;
mbed_official 0:51ac1d130fd4 148 /* encoding pdu length */
mbed_official 0:51ac1d130fd4 149 u16_t pdulen;
mbed_official 0:51ac1d130fd4 150 /* encoding community length */
mbed_official 0:51ac1d130fd4 151 u16_t comlen;
mbed_official 0:51ac1d130fd4 152 /* encoding version length */
mbed_official 0:51ac1d130fd4 153 u16_t verlen;
mbed_official 0:51ac1d130fd4 154 /* encoding sequence length */
mbed_official 0:51ac1d130fd4 155 u16_t seqlen;
mbed_official 0:51ac1d130fd4 156 };
mbed_official 0:51ac1d130fd4 157
mbed_official 0:51ac1d130fd4 158 /** output response message header length fields */
mbed_official 0:51ac1d130fd4 159 struct snmp_trap_header_lengths
mbed_official 0:51ac1d130fd4 160 {
mbed_official 0:51ac1d130fd4 161 /* encoding timestamp length length */
mbed_official 0:51ac1d130fd4 162 u8_t tslenlen;
mbed_official 0:51ac1d130fd4 163 /* encoding specific-trap length length */
mbed_official 0:51ac1d130fd4 164 u8_t strplenlen;
mbed_official 0:51ac1d130fd4 165 /* encoding generic-trap length length */
mbed_official 0:51ac1d130fd4 166 u8_t gtrplenlen;
mbed_official 0:51ac1d130fd4 167 /* encoding agent-addr length length */
mbed_official 0:51ac1d130fd4 168 u8_t aaddrlenlen;
mbed_official 0:51ac1d130fd4 169 /* encoding enterprise-id length length */
mbed_official 0:51ac1d130fd4 170 u8_t eidlenlen;
mbed_official 0:51ac1d130fd4 171 /* encoding pdu length length */
mbed_official 0:51ac1d130fd4 172 u8_t pdulenlen;
mbed_official 0:51ac1d130fd4 173 /* encoding community length length */
mbed_official 0:51ac1d130fd4 174 u8_t comlenlen;
mbed_official 0:51ac1d130fd4 175 /* encoding version length length */
mbed_official 0:51ac1d130fd4 176 u8_t verlenlen;
mbed_official 0:51ac1d130fd4 177 /* encoding sequence length length */
mbed_official 0:51ac1d130fd4 178 u8_t seqlenlen;
mbed_official 0:51ac1d130fd4 179
mbed_official 0:51ac1d130fd4 180 /* encoding timestamp length */
mbed_official 0:51ac1d130fd4 181 u16_t tslen;
mbed_official 0:51ac1d130fd4 182 /* encoding specific-trap length */
mbed_official 0:51ac1d130fd4 183 u16_t strplen;
mbed_official 0:51ac1d130fd4 184 /* encoding generic-trap length */
mbed_official 0:51ac1d130fd4 185 u16_t gtrplen;
mbed_official 0:51ac1d130fd4 186 /* encoding agent-addr length */
mbed_official 0:51ac1d130fd4 187 u16_t aaddrlen;
mbed_official 0:51ac1d130fd4 188 /* encoding enterprise-id length */
mbed_official 0:51ac1d130fd4 189 u16_t eidlen;
mbed_official 0:51ac1d130fd4 190 /* encoding pdu length */
mbed_official 0:51ac1d130fd4 191 u16_t pdulen;
mbed_official 0:51ac1d130fd4 192 /* encoding community length */
mbed_official 0:51ac1d130fd4 193 u16_t comlen;
mbed_official 0:51ac1d130fd4 194 /* encoding version length */
mbed_official 0:51ac1d130fd4 195 u16_t verlen;
mbed_official 0:51ac1d130fd4 196 /* encoding sequence length */
mbed_official 0:51ac1d130fd4 197 u16_t seqlen;
mbed_official 0:51ac1d130fd4 198 };
mbed_official 0:51ac1d130fd4 199
mbed_official 0:51ac1d130fd4 200 /* Accepting new SNMP messages. */
mbed_official 0:51ac1d130fd4 201 #define SNMP_MSG_EMPTY 0
mbed_official 0:51ac1d130fd4 202 /* Search for matching object for variable binding. */
mbed_official 0:51ac1d130fd4 203 #define SNMP_MSG_SEARCH_OBJ 1
mbed_official 0:51ac1d130fd4 204 /* Perform SNMP operation on in-memory object.
mbed_official 0:51ac1d130fd4 205 Pass-through states, for symmetry only. */
mbed_official 0:51ac1d130fd4 206 #define SNMP_MSG_INTERNAL_GET_OBJDEF 2
mbed_official 0:51ac1d130fd4 207 #define SNMP_MSG_INTERNAL_GET_VALUE 3
mbed_official 0:51ac1d130fd4 208 #define SNMP_MSG_INTERNAL_SET_TEST 4
mbed_official 0:51ac1d130fd4 209 #define SNMP_MSG_INTERNAL_GET_OBJDEF_S 5
mbed_official 0:51ac1d130fd4 210 #define SNMP_MSG_INTERNAL_SET_VALUE 6
mbed_official 0:51ac1d130fd4 211 /* Perform SNMP operation on object located externally.
mbed_official 0:51ac1d130fd4 212 In theory this could be used for building a proxy agent.
mbed_official 0:51ac1d130fd4 213 Practical use is for an enterprise spc. app. gateway. */
mbed_official 0:51ac1d130fd4 214 #define SNMP_MSG_EXTERNAL_GET_OBJDEF 7
mbed_official 0:51ac1d130fd4 215 #define SNMP_MSG_EXTERNAL_GET_VALUE 8
mbed_official 0:51ac1d130fd4 216 #define SNMP_MSG_EXTERNAL_SET_TEST 9
mbed_official 0:51ac1d130fd4 217 #define SNMP_MSG_EXTERNAL_GET_OBJDEF_S 10
mbed_official 0:51ac1d130fd4 218 #define SNMP_MSG_EXTERNAL_SET_VALUE 11
mbed_official 0:51ac1d130fd4 219
mbed_official 0:51ac1d130fd4 220 #define SNMP_COMMUNITY_STR_LEN 64
mbed_official 0:51ac1d130fd4 221 struct snmp_msg_pstat
mbed_official 0:51ac1d130fd4 222 {
mbed_official 0:51ac1d130fd4 223 /* lwIP local port (161) binding */
mbed_official 0:51ac1d130fd4 224 struct udp_pcb *pcb;
mbed_official 0:51ac1d130fd4 225 /* source IP address */
mbed_official 0:51ac1d130fd4 226 ip_addr_t sip;
mbed_official 0:51ac1d130fd4 227 /* source UDP port */
mbed_official 0:51ac1d130fd4 228 u16_t sp;
mbed_official 0:51ac1d130fd4 229 /* request type */
mbed_official 0:51ac1d130fd4 230 u8_t rt;
mbed_official 0:51ac1d130fd4 231 /* request ID */
mbed_official 0:51ac1d130fd4 232 s32_t rid;
mbed_official 0:51ac1d130fd4 233 /* error status */
mbed_official 0:51ac1d130fd4 234 s32_t error_status;
mbed_official 0:51ac1d130fd4 235 /* error index */
mbed_official 0:51ac1d130fd4 236 s32_t error_index;
mbed_official 0:51ac1d130fd4 237 /* community name (zero terminated) */
mbed_official 0:51ac1d130fd4 238 u8_t community[SNMP_COMMUNITY_STR_LEN + 1];
mbed_official 0:51ac1d130fd4 239 /* community string length (exclusive zero term) */
mbed_official 0:51ac1d130fd4 240 u8_t com_strlen;
mbed_official 0:51ac1d130fd4 241 /* one out of MSG_EMPTY, MSG_DEMUX, MSG_INTERNAL, MSG_EXTERNAL_x */
mbed_official 0:51ac1d130fd4 242 u8_t state;
mbed_official 0:51ac1d130fd4 243 /* saved arguments for MSG_EXTERNAL_x */
mbed_official 0:51ac1d130fd4 244 struct mib_external_node *ext_mib_node;
mbed_official 0:51ac1d130fd4 245 struct snmp_name_ptr ext_name_ptr;
mbed_official 0:51ac1d130fd4 246 struct obj_def ext_object_def;
mbed_official 0:51ac1d130fd4 247 struct snmp_obj_id ext_oid;
mbed_official 0:51ac1d130fd4 248 /* index into input variable binding list */
mbed_official 0:51ac1d130fd4 249 u8_t vb_idx;
mbed_official 0:51ac1d130fd4 250 /* ptr into input variable binding list */
mbed_official 0:51ac1d130fd4 251 struct snmp_varbind *vb_ptr;
mbed_official 0:51ac1d130fd4 252 /* list of variable bindings from input */
mbed_official 0:51ac1d130fd4 253 struct snmp_varbind_root invb;
mbed_official 0:51ac1d130fd4 254 /* list of variable bindings to output */
mbed_official 0:51ac1d130fd4 255 struct snmp_varbind_root outvb;
mbed_official 0:51ac1d130fd4 256 /* output response lengths used in ASN encoding */
mbed_official 0:51ac1d130fd4 257 struct snmp_resp_header_lengths rhl;
mbed_official 0:51ac1d130fd4 258 };
mbed_official 0:51ac1d130fd4 259
mbed_official 0:51ac1d130fd4 260 struct snmp_msg_trap
mbed_official 0:51ac1d130fd4 261 {
mbed_official 0:51ac1d130fd4 262 /* lwIP local port (161) binding */
mbed_official 0:51ac1d130fd4 263 struct udp_pcb *pcb;
mbed_official 0:51ac1d130fd4 264 /* destination IP address in network order */
mbed_official 0:51ac1d130fd4 265 ip_addr_t dip;
mbed_official 0:51ac1d130fd4 266
mbed_official 0:51ac1d130fd4 267 /* source enterprise ID (sysObjectID) */
mbed_official 0:51ac1d130fd4 268 struct snmp_obj_id *enterprise;
mbed_official 0:51ac1d130fd4 269 /* source IP address, raw network order format */
mbed_official 0:51ac1d130fd4 270 u8_t sip_raw[4];
mbed_official 0:51ac1d130fd4 271 /* generic trap code */
mbed_official 0:51ac1d130fd4 272 u32_t gen_trap;
mbed_official 0:51ac1d130fd4 273 /* specific trap code */
mbed_official 0:51ac1d130fd4 274 u32_t spc_trap;
mbed_official 0:51ac1d130fd4 275 /* timestamp */
mbed_official 0:51ac1d130fd4 276 u32_t ts;
mbed_official 0:51ac1d130fd4 277 /* list of variable bindings to output */
mbed_official 0:51ac1d130fd4 278 struct snmp_varbind_root outvb;
mbed_official 0:51ac1d130fd4 279 /* output trap lengths used in ASN encoding */
mbed_official 0:51ac1d130fd4 280 struct snmp_trap_header_lengths thl;
mbed_official 0:51ac1d130fd4 281 };
mbed_official 0:51ac1d130fd4 282
mbed_official 0:51ac1d130fd4 283 /** Agent Version constant, 0 = v1 oddity */
mbed_official 0:51ac1d130fd4 284 extern const s32_t snmp_version;
mbed_official 0:51ac1d130fd4 285 /** Agent default "public" community string */
mbed_official 0:51ac1d130fd4 286 extern const char snmp_publiccommunity[7];
mbed_official 0:51ac1d130fd4 287
mbed_official 0:51ac1d130fd4 288 extern struct snmp_msg_trap trap_msg;
mbed_official 0:51ac1d130fd4 289
mbed_official 0:51ac1d130fd4 290 /** Agent setup, start listening to port 161. */
mbed_official 0:51ac1d130fd4 291 void snmp_init(void);
mbed_official 0:51ac1d130fd4 292 void snmp_trap_dst_enable(u8_t dst_idx, u8_t enable);
mbed_official 0:51ac1d130fd4 293 void snmp_trap_dst_ip_set(u8_t dst_idx, ip_addr_t *dst);
mbed_official 0:51ac1d130fd4 294
mbed_official 0:51ac1d130fd4 295 /** Varbind-list functions. */
mbed_official 0:51ac1d130fd4 296 struct snmp_varbind* snmp_varbind_alloc(struct snmp_obj_id *oid, u8_t type, u8_t len);
mbed_official 0:51ac1d130fd4 297 void snmp_varbind_free(struct snmp_varbind *vb);
mbed_official 0:51ac1d130fd4 298 void snmp_varbind_list_free(struct snmp_varbind_root *root);
mbed_official 0:51ac1d130fd4 299 void snmp_varbind_tail_add(struct snmp_varbind_root *root, struct snmp_varbind *vb);
mbed_official 0:51ac1d130fd4 300 struct snmp_varbind* snmp_varbind_tail_remove(struct snmp_varbind_root *root);
mbed_official 0:51ac1d130fd4 301
mbed_official 0:51ac1d130fd4 302 /** Handle an internal (recv) or external (private response) event. */
mbed_official 0:51ac1d130fd4 303 void snmp_msg_event(u8_t request_id);
mbed_official 0:51ac1d130fd4 304 err_t snmp_send_response(struct snmp_msg_pstat *m_stat);
mbed_official 0:51ac1d130fd4 305 err_t snmp_send_trap(s8_t generic_trap, struct snmp_obj_id *eoid, s32_t specific_trap);
mbed_official 0:51ac1d130fd4 306 void snmp_coldstart_trap(void);
mbed_official 0:51ac1d130fd4 307 void snmp_authfail_trap(void);
mbed_official 0:51ac1d130fd4 308
mbed_official 0:51ac1d130fd4 309 #ifdef __cplusplus
mbed_official 0:51ac1d130fd4 310 }
mbed_official 0:51ac1d130fd4 311 #endif
mbed_official 0:51ac1d130fd4 312
mbed_official 0:51ac1d130fd4 313 #endif /* LWIP_SNMP */
mbed_official 0:51ac1d130fd4 314
mbed_official 0:51ac1d130fd4 315 #endif /* __LWIP_SNMP_MSG_H__ */