Annotation of embedaddon/quagga/ospf6d/ospf6_snmp.c, revision 1.1
1.1 ! misho 1: /* OSPFv3 SNMP support
! 2: * Copyright (C) 2004 Yasuhiro Ohara
! 3: *
! 4: * This file is part of GNU Zebra.
! 5: *
! 6: * GNU Zebra is free software; you can redistribute it and/or modify it
! 7: * under the terms of the GNU General Public License as published by the
! 8: * Free Software Foundation; either version 2, or (at your option) any
! 9: * later version.
! 10: *
! 11: * GNU Zebra is distributed in the hope that it will be useful, but
! 12: * WITHOUT ANY WARRANTY; without even the implied warranty of
! 13: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
! 14: * General Public License for more details.
! 15: *
! 16: * You should have received a copy of the GNU General Public License
! 17: * along with GNU Zebra; see the file COPYING. If not, write to the
! 18: * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
! 19: * Boston, MA 02111-1307, USA.
! 20: */
! 21:
! 22: #include <zebra.h>
! 23:
! 24: #ifdef HAVE_SNMP
! 25:
! 26: #ifdef HAVE_NETSNMP
! 27: #include <net-snmp/net-snmp-config.h>
! 28: #include <net-snmp/net-snmp-includes.h>
! 29: #else
! 30: #include <asn1.h>
! 31: #include <snmp.h>
! 32: #include <snmp_impl.h>
! 33: #endif
! 34:
! 35: #include "log.h"
! 36: #include "vty.h"
! 37: #include "linklist.h"
! 38: #include "smux.h"
! 39:
! 40: #include "ospf6_proto.h"
! 41: #include "ospf6_lsa.h"
! 42: #include "ospf6_lsdb.h"
! 43: #include "ospf6_route.h"
! 44: #include "ospf6_top.h"
! 45: #include "ospf6_area.h"
! 46: #include "ospf6_interface.h"
! 47: #include "ospf6_message.h"
! 48: #include "ospf6_neighbor.h"
! 49: #include "ospf6d.h"
! 50: #include "ospf6_snmp.h"
! 51:
! 52: /* OSPFv3-MIB */
! 53: #define OSPFv3MIB 1,3,6,1,3,102
! 54:
! 55: /* OSPFv3 MIB General Group values. */
! 56: #define OSPFv3ROUTERID 1
! 57: #define OSPFv3ADMINSTAT 2
! 58: #define OSPFv3VERSIONNUMBER 3
! 59: #define OSPFv3AREABDRRTRSTATUS 4
! 60: #define OSPFv3ASBDRRTRSTATUS 5
! 61: #define OSPFv3ASSCOPELSACOUNT 6
! 62: #define OSPFv3ASSCOPELSACHECKSUMSUM 7
! 63: #define OSPFv3ORIGINATENEWLSAS 8
! 64: #define OSPFv3RXNEWLSAS 9
! 65: #define OSPFv3EXTLSACOUNT 10
! 66: #define OSPFv3EXTAREALSDBLIMIT 11
! 67: #define OSPFv3MULTICASTEXTENSIONS 12
! 68: #define OSPFv3EXITOVERFLOWINTERVAL 13
! 69: #define OSPFv3DEMANDEXTENSIONS 14
! 70: #define OSPFv3TRAFFICENGINEERINGSUPPORT 15
! 71: #define OSPFv3REFERENCEBANDWIDTH 16
! 72: #define OSPFv3RESTARTSUPPORT 17
! 73: #define OSPFv3RESTARTINTERVAL 18
! 74: #define OSPFv3RESTARTSTATUS 19
! 75: #define OSPFv3RESTARTAGE 20
! 76: #define OSPFv3RESTARTEXITREASON 21
! 77:
! 78: /* OSPFv3 MIB Area Table values. */
! 79: #define OSPFv3AREAID 1
! 80: #define OSPFv3IMPORTASEXTERN 2
! 81: #define OSPFv3AREASPFRUNS 3
! 82: #define OSPFv3AREABDRRTRCOUNT 4
! 83: #define OSPFv3AREAASBDRRTRCOUNT 5
! 84: #define OSPFv3AREASCOPELSACOUNT 6
! 85: #define OSPFv3AREASCOPELSACKSUMSUM 7
! 86: #define OSPFv3AREASUMMARY 8
! 87: #define OSPFv3AREASTATUS 9
! 88: #define OSPFv3STUBMETRIC 10
! 89: #define OSPFv3AREANSSATRANSLATORROLE 11
! 90: #define OSPFv3AREANSSATRANSLATORSTATE 12
! 91: #define OSPFv3AREANSSATRANSLATORSTABILITYINTERVAL 13
! 92: #define OSPFv3AREANSSATRANSLATOREVENTS 14
! 93: #define OSPFv3AREASTUBMETRICTYPE 15
! 94:
! 95: /* OSPFv3 MIB Area Lsdb Table values. */
! 96: #define OSPFv3AREALSDBAREAID 1
! 97: #define OSPFv3AREALSDBTYPE 2
! 98: #define OSPFv3AREALSDBROUTERID 3
! 99: #define OSPFv3AREALSDBLSID 4
! 100: #define OSPFv3AREALSDBSEQUENCE 5
! 101: #define OSPFv3AREALSDBAGE 6
! 102: #define OSPFv3AREALSDBCHECKSUM 7
! 103: #define OSPFv3AREALSDBADVERTISEMENT 8
! 104: #define OSPFv3AREALSDBTYPEKNOWN 9
! 105:
! 106: /* SYNTAX Status from OSPF-MIB. */
! 107: #define OSPF_STATUS_ENABLED 1
! 108: #define OSPF_STATUS_DISABLED 2
! 109:
! 110: /* SNMP value hack. */
! 111: #define COUNTER ASN_COUNTER
! 112: #define INTEGER ASN_INTEGER
! 113: #define GAUGE ASN_GAUGE
! 114: #define TIMETICKS ASN_TIMETICKS
! 115: #define IPADDRESS ASN_IPADDRESS
! 116: #define STRING ASN_OCTET_STR
! 117:
! 118: /* For return values e.g. SNMP_INTEGER macro */
! 119: SNMP_LOCAL_VARIABLES
! 120:
! 121: static struct in_addr tmp;
! 122: #define INT32_INADDR(x) \
! 123: (tmp.s_addr = (x), tmp)
! 124:
! 125: /* OSPFv3-MIB instances. */
! 126: oid ospfv3_oid [] = { OSPFv3MIB };
! 127:
! 128: /* empty ID 0.0.0.0 e.g. empty router-id */
! 129: static struct in_addr ospf6_empty_id = {0};
! 130:
! 131: /* Hook functions. */
! 132: static u_char *ospfv3GeneralGroup (struct variable *, oid *, size_t *,
! 133: int, size_t *, WriteMethod **);
! 134: static u_char *ospfv3AreaEntry (struct variable *, oid *, size_t *,
! 135: int, size_t *, WriteMethod **);
! 136: static u_char *ospfv3AreaLsdbEntry (struct variable *, oid *, size_t *,
! 137: int, size_t *, WriteMethod **);
! 138:
! 139: struct variable ospfv3_variables[] =
! 140: {
! 141: /* OSPF general variables */
! 142: {OSPFv3ROUTERID, IPADDRESS, RWRITE, ospfv3GeneralGroup,
! 143: 3, {1, 1, 1}},
! 144: {OSPFv3ADMINSTAT, INTEGER, RWRITE, ospfv3GeneralGroup,
! 145: 3, {1, 1, 2}},
! 146: {OSPFv3VERSIONNUMBER, INTEGER, RONLY, ospfv3GeneralGroup,
! 147: 3, {1, 1, 3}},
! 148: {OSPFv3AREABDRRTRSTATUS, INTEGER, RONLY, ospfv3GeneralGroup,
! 149: 3, {1, 1, 4}},
! 150: {OSPFv3ASBDRRTRSTATUS, INTEGER, RWRITE, ospfv3GeneralGroup,
! 151: 3, {1, 1, 5}},
! 152: {OSPFv3ASSCOPELSACOUNT, GAUGE, RONLY, ospfv3GeneralGroup,
! 153: 3, {1, 1, 6}},
! 154: {OSPFv3ASSCOPELSACHECKSUMSUM, INTEGER, RONLY, ospfv3GeneralGroup,
! 155: 3, {1, 1, 7}},
! 156: {OSPFv3ORIGINATENEWLSAS, COUNTER, RONLY, ospfv3GeneralGroup,
! 157: 3, {1, 1, 8}},
! 158: {OSPFv3RXNEWLSAS, COUNTER, RONLY, ospfv3GeneralGroup,
! 159: 3, {1, 1, 9}},
! 160: {OSPFv3EXTLSACOUNT, GAUGE, RONLY, ospfv3GeneralGroup,
! 161: 3, {1, 1, 10}},
! 162: {OSPFv3EXTAREALSDBLIMIT, INTEGER, RWRITE, ospfv3GeneralGroup,
! 163: 3, {1, 1, 11}},
! 164: {OSPFv3MULTICASTEXTENSIONS, INTEGER, RWRITE, ospfv3GeneralGroup,
! 165: 3, {1, 1, 12}},
! 166: {OSPFv3EXITOVERFLOWINTERVAL, INTEGER, RWRITE, ospfv3GeneralGroup,
! 167: 3, {1, 1, 13}},
! 168: {OSPFv3DEMANDEXTENSIONS, INTEGER, RWRITE, ospfv3GeneralGroup,
! 169: 3, {1, 1, 14}},
! 170: {OSPFv3TRAFFICENGINEERINGSUPPORT, INTEGER, RWRITE, ospfv3GeneralGroup,
! 171: 3, {1, 1, 15}},
! 172: {OSPFv3REFERENCEBANDWIDTH, INTEGER, RWRITE, ospfv3GeneralGroup,
! 173: 3, {1, 1, 16}},
! 174: {OSPFv3RESTARTSUPPORT, INTEGER, RWRITE, ospfv3GeneralGroup,
! 175: 3, {1, 1, 17}},
! 176: {OSPFv3RESTARTINTERVAL, INTEGER, RWRITE, ospfv3GeneralGroup,
! 177: 3, {1, 1, 18}},
! 178: {OSPFv3RESTARTSTATUS, INTEGER, RONLY, ospfv3GeneralGroup,
! 179: 3, {1, 1, 19}},
! 180: {OSPFv3RESTARTAGE, INTEGER, RONLY, ospfv3GeneralGroup,
! 181: 3, {1, 1, 20}},
! 182: {OSPFv3RESTARTEXITREASON, INTEGER, RONLY, ospfv3GeneralGroup,
! 183: 3, {1, 1, 21}},
! 184:
! 185: /* OSPFv3 Area Data Structure */
! 186: {OSPFv3AREAID, IPADDRESS, RONLY, ospfv3AreaEntry,
! 187: 4, {1, 2, 1, 1}},
! 188: {OSPFv3IMPORTASEXTERN, INTEGER, RWRITE, ospfv3AreaEntry,
! 189: 4, {1, 2, 1, 2}},
! 190: {OSPFv3AREASPFRUNS, COUNTER, RONLY, ospfv3AreaEntry,
! 191: 4, {1, 2, 1, 3}},
! 192: {OSPFv3AREABDRRTRCOUNT, GAUGE, RONLY, ospfv3AreaEntry,
! 193: 4, {1, 2, 1, 4}},
! 194: {OSPFv3AREAASBDRRTRCOUNT, GAUGE, RONLY, ospfv3AreaEntry,
! 195: 4, {1, 2, 1, 5}},
! 196: {OSPFv3AREASCOPELSACOUNT, GAUGE, RONLY, ospfv3AreaEntry,
! 197: 4, {1, 2, 1, 6}},
! 198: {OSPFv3AREASCOPELSACKSUMSUM, INTEGER, RONLY, ospfv3AreaEntry,
! 199: 4, {1, 2, 1, 7}},
! 200: {OSPFv3AREASUMMARY, INTEGER, RWRITE, ospfv3AreaEntry,
! 201: 4, {1, 2, 1, 8}},
! 202: {OSPFv3AREASTATUS, INTEGER, RWRITE, ospfv3AreaEntry,
! 203: 4, {1, 2, 1, 9}},
! 204: {OSPFv3STUBMETRIC, INTEGER, RWRITE, ospfv3AreaEntry,
! 205: 4, {1, 2, 1, 10}},
! 206: {OSPFv3AREANSSATRANSLATORROLE, INTEGER, RWRITE, ospfv3AreaEntry,
! 207: 4, {1, 2, 1, 11}},
! 208: {OSPFv3AREANSSATRANSLATORSTATE, INTEGER, RONLY, ospfv3AreaEntry,
! 209: 4, {1, 2, 1, 12}},
! 210: {OSPFv3AREANSSATRANSLATORSTABILITYINTERVAL, INTEGER, RWRITE, ospfv3AreaEntry,
! 211: 4, {1, 2, 1, 13}},
! 212: {OSPFv3AREANSSATRANSLATOREVENTS, COUNTER, RONLY, ospfv3AreaEntry,
! 213: 4, {1, 2, 1, 14}},
! 214: {OSPFv3AREASTUBMETRICTYPE, INTEGER, RWRITE, ospfv3AreaEntry,
! 215: 4, {1, 2, 1, 15}},
! 216:
! 217: {OSPFv3AREALSDBAREAID, IPADDRESS, RONLY, ospfv3AreaLsdbEntry,
! 218: 4, {1, 4, 1, 1}},
! 219: {OSPFv3AREALSDBTYPE, GAUGE, RONLY, ospfv3AreaLsdbEntry,
! 220: 4, {1, 4, 1, 2}},
! 221: {OSPFv3AREALSDBROUTERID, IPADDRESS, RONLY, ospfv3AreaLsdbEntry,
! 222: 4, {1, 4, 1, 3}},
! 223: {OSPFv3AREALSDBLSID, IPADDRESS, RONLY, ospfv3AreaLsdbEntry,
! 224: 4, {1, 4, 1, 4}},
! 225: {OSPFv3AREALSDBSEQUENCE, INTEGER, RONLY, ospfv3AreaLsdbEntry,
! 226: 4, {1, 4, 1, 5}},
! 227: {OSPFv3AREALSDBAGE, INTEGER, RONLY, ospfv3AreaLsdbEntry,
! 228: 4, {1, 4, 1, 6}},
! 229: {OSPFv3AREALSDBCHECKSUM, INTEGER, RONLY, ospfv3AreaLsdbEntry,
! 230: 4, {1, 4, 1, 7}},
! 231: {OSPFv3AREALSDBADVERTISEMENT, STRING, RONLY, ospfv3AreaLsdbEntry,
! 232: 4, {1, 4, 1, 8}},
! 233: {OSPFv3AREALSDBTYPEKNOWN, INTEGER, RONLY, ospfv3AreaLsdbEntry,
! 234: 4, {1, 4, 1, 9}},
! 235:
! 236: };
! 237:
! 238: static u_char *
! 239: ospfv3GeneralGroup (struct variable *v, oid *name, size_t *length,
! 240: int exact, size_t *var_len, WriteMethod **write_method)
! 241: {
! 242: /* Check whether the instance identifier is valid */
! 243: if (smux_header_generic (v, name, length, exact, var_len, write_method)
! 244: == MATCH_FAILED)
! 245: return NULL;
! 246:
! 247: /* Return the current value of the variable */
! 248: switch (v->magic)
! 249: {
! 250: case OSPFv3ROUTERID: /* 1*/
! 251: /* Router-ID of this OSPF instance. */
! 252: if (ospf6)
! 253: return SNMP_IPADDRESS (INT32_INADDR (ospf6->router_id));
! 254: else
! 255: return SNMP_IPADDRESS (ospf6_empty_id);
! 256: break;
! 257: case OSPFv3ADMINSTAT: /* 2*/
! 258: break;
! 259: case OSPFv3VERSIONNUMBER: /* 3*/
! 260: break;
! 261: case OSPFv3AREABDRRTRSTATUS: /* 4*/
! 262: break;
! 263: case OSPFv3ASBDRRTRSTATUS: /* 5*/
! 264: break;
! 265: case OSPFv3ASSCOPELSACOUNT: /* 6*/
! 266: break;
! 267: case OSPFv3ASSCOPELSACHECKSUMSUM: /* 7*/
! 268: break;
! 269: case OSPFv3ORIGINATENEWLSAS: /* 8*/
! 270: break;
! 271: case OSPFv3RXNEWLSAS: /* 9*/
! 272: break;
! 273: case OSPFv3EXTLSACOUNT: /*10*/
! 274: break;
! 275: case OSPFv3EXTAREALSDBLIMIT: /*11*/
! 276: break;
! 277: case OSPFv3MULTICASTEXTENSIONS: /*12*/
! 278: break;
! 279: case OSPFv3EXITOVERFLOWINTERVAL: /*13*/
! 280: break;
! 281: case OSPFv3DEMANDEXTENSIONS: /*14*/
! 282: break;
! 283: case OSPFv3TRAFFICENGINEERINGSUPPORT: /*15*/
! 284: break;
! 285: case OSPFv3REFERENCEBANDWIDTH: /*16*/
! 286: break;
! 287: case OSPFv3RESTARTSUPPORT: /*17*/
! 288: break;
! 289: case OSPFv3RESTARTINTERVAL: /*18*/
! 290: break;
! 291: case OSPFv3RESTARTSTATUS: /*19*/
! 292: break;
! 293: case OSPFv3RESTARTAGE: /*20*/
! 294: break;
! 295: case OSPFv3RESTARTEXITREASON: /*21*/
! 296: break;
! 297: default:
! 298: return NULL;
! 299: }
! 300: return NULL;
! 301: }
! 302:
! 303: static u_char *
! 304: ospfv3AreaEntry (struct variable *v, oid *name, size_t *length,
! 305: int exact, size_t *var_len, WriteMethod **write_method)
! 306: {
! 307: struct ospf6_area *oa, *area = NULL;
! 308: u_int32_t area_id = 0;
! 309: struct listnode *node;
! 310: unsigned int len;
! 311:
! 312: if (ospf6 == NULL)
! 313: return NULL;
! 314:
! 315: len = *length - v->namelen;
! 316: len = (len >= sizeof (u_int32_t) ? sizeof (u_int32_t) : 0);
! 317: if (exact && len != sizeof (u_int32_t))
! 318: return NULL;
! 319: if (len)
! 320: oid2in_addr (name + v->namelen, len, (struct in_addr *) &area_id);
! 321:
! 322: zlog_debug ("SNMP access by area: %s, exact=%d len=%d length=%lu",
! 323: inet_ntoa (* (struct in_addr *) &area_id),
! 324: exact, len, (u_long)*length);
! 325:
! 326: for (ALL_LIST_ELEMENTS_RO (ospf6->area_list, node, oa))
! 327: {
! 328: if (area == NULL)
! 329: {
! 330: if (len == 0) /* return first area entry */
! 331: area = oa;
! 332: else if (exact && ntohl (oa->area_id) == ntohl (area_id))
! 333: area = oa;
! 334: else if (ntohl (oa->area_id) > ntohl (area_id))
! 335: area = oa;
! 336: }
! 337: }
! 338:
! 339: if (area == NULL)
! 340: return NULL;
! 341:
! 342: *length = v->namelen + sizeof (u_int32_t);
! 343: oid_copy_addr (name + v->namelen, (struct in_addr *) &area->area_id,
! 344: sizeof (u_int32_t));
! 345:
! 346: zlog_debug ("SNMP found area: %s, exact=%d len=%d length=%lu",
! 347: inet_ntoa (* (struct in_addr *) &area->area_id),
! 348: exact, len, (u_long)*length);
! 349:
! 350: switch (v->magic)
! 351: {
! 352: case OSPFv3AREAID: /* 1*/
! 353: return SNMP_IPADDRESS (INT32_INADDR (area->area_id));
! 354: break;
! 355: case OSPFv3IMPORTASEXTERN: /* 2*/
! 356: return SNMP_INTEGER (ospf6->external_table->count);
! 357: break;
! 358: default:
! 359: return NULL;
! 360: break;
! 361: }
! 362: return NULL;
! 363: }
! 364:
! 365: static u_char *
! 366: ospfv3AreaLsdbEntry (struct variable *v, oid *name, size_t *length,
! 367: int exact, size_t *var_len, WriteMethod **write_method)
! 368: {
! 369: struct ospf6_lsa *lsa = NULL;
! 370: struct in_addr area_id;
! 371: u_int16_t type;
! 372: struct in_addr id;
! 373: struct in_addr adv_router;
! 374: int len;
! 375: oid *offset;
! 376: int offsetlen;
! 377: char a[16], b[16], c[16];
! 378: struct ospf6_area *oa;
! 379: struct listnode *node;
! 380:
! 381: memset (&area_id, 0, sizeof (struct in_addr));
! 382: type = 0;
! 383: memset (&id, 0, sizeof (struct in_addr));
! 384: memset (&adv_router, 0, sizeof (struct in_addr));
! 385:
! 386: /* Check OSPFv3 instance. */
! 387: if (ospf6 == NULL)
! 388: return NULL;
! 389:
! 390: /* Get variable length. */
! 391: offset = name + v->namelen;
! 392: offsetlen = *length - v->namelen;
! 393:
! 394: #define OSPFV3_AREA_LSDB_ENTRY_EXACT_OFFSET \
! 395: (IN_ADDR_SIZE + 1 + IN_ADDR_SIZE + IN_ADDR_SIZE)
! 396:
! 397: if (exact && offsetlen != OSPFV3_AREA_LSDB_ENTRY_EXACT_OFFSET)
! 398: return NULL;
! 399:
! 400: /* Parse area-id */
! 401: len = (offsetlen < IN_ADDR_SIZE ? offsetlen : IN_ADDR_SIZE);
! 402: if (len)
! 403: oid2in_addr (offset, len, &area_id);
! 404: offset += len;
! 405: offsetlen -= len;
! 406:
! 407: /* Parse type */
! 408: len = (offsetlen < 1 ? offsetlen : 1);
! 409: if (len)
! 410: type = htons (*offset);
! 411: offset += len;
! 412: offsetlen -= len;
! 413:
! 414: /* Parse Router-ID */
! 415: len = (offsetlen < IN_ADDR_SIZE ? offsetlen : IN_ADDR_SIZE);
! 416: if (len)
! 417: oid2in_addr (offset, len, &adv_router);
! 418: offset += len;
! 419: offsetlen -= len;
! 420:
! 421: /* Parse LS-ID */
! 422: len = (offsetlen < IN_ADDR_SIZE ? offsetlen : IN_ADDR_SIZE);
! 423: if (len)
! 424: oid2in_addr (offset, len, &id);
! 425: offset += len;
! 426: offsetlen -= len;
! 427:
! 428: inet_ntop (AF_INET, &area_id, a, sizeof (a));
! 429: inet_ntop (AF_INET, &adv_router, b, sizeof (b));
! 430: inet_ntop (AF_INET, &id, c, sizeof (c));
! 431: zlog_debug ("SNMP access by lsdb: area=%s exact=%d length=%lu magic=%d"
! 432: " type=%#x adv_router=%s id=%s",
! 433: a, exact, (u_long)*length, v->magic, ntohs (type), b, c);
! 434:
! 435: if (exact)
! 436: {
! 437: oa = ospf6_area_lookup (area_id.s_addr, ospf6);
! 438: lsa = ospf6_lsdb_lookup (type, id.s_addr, adv_router.s_addr, oa->lsdb);
! 439: }
! 440: else
! 441: {
! 442: for (ALL_LIST_ELEMENTS_RO (ospf6->area_list, node, oa))
! 443: {
! 444: if (lsa)
! 445: continue;
! 446: if (ntohl (oa->area_id) < ntohl (area_id.s_addr))
! 447: continue;
! 448:
! 449: lsa = ospf6_lsdb_lookup_next (type, id.s_addr, adv_router.s_addr,
! 450: oa->lsdb);
! 451: if (! lsa)
! 452: {
! 453: type = 0;
! 454: memset (&id, 0, sizeof (struct in_addr));
! 455: memset (&adv_router, 0, sizeof (struct in_addr));
! 456: }
! 457: }
! 458: }
! 459:
! 460: if (! lsa)
! 461: {
! 462: zlog_debug ("SNMP respond: No LSA to return");
! 463: return NULL;
! 464: }
! 465: oa = OSPF6_AREA (lsa->lsdb->data);
! 466:
! 467: zlog_debug ("SNMP respond: area: %s lsa: %s", oa->name, lsa->name);
! 468:
! 469: /* Add Index (AreaId, Type, RouterId, Lsid) */
! 470: *length = v->namelen + OSPFV3_AREA_LSDB_ENTRY_EXACT_OFFSET;
! 471: offset = name + v->namelen;
! 472: oid_copy_addr (offset, (struct in_addr *) &oa->area_id, IN_ADDR_SIZE);
! 473: offset += IN_ADDR_SIZE;
! 474: *offset = ntohs (lsa->header->type);
! 475: offset++;
! 476: oid_copy_addr (offset, (struct in_addr *) &lsa->header->adv_router,
! 477: IN_ADDR_SIZE);
! 478: offset += IN_ADDR_SIZE;
! 479: oid_copy_addr (offset, (struct in_addr *) &lsa->header->id, IN_ADDR_SIZE);
! 480: offset += IN_ADDR_SIZE;
! 481:
! 482: /* Return the current value of the variable */
! 483: switch (v->magic)
! 484: {
! 485: case OSPFv3AREALSDBAREAID: /* 1 */
! 486: area_id.s_addr = OSPF6_AREA (lsa->lsdb->data)->area_id;
! 487: return SNMP_IPADDRESS (area_id);
! 488: break;
! 489: case OSPFv3AREALSDBTYPE: /* 2 */
! 490: return SNMP_INTEGER (ntohs (lsa->header->type));
! 491: break;
! 492: case OSPFv3AREALSDBROUTERID: /* 3 */
! 493: adv_router.s_addr = lsa->header->adv_router;
! 494: return SNMP_IPADDRESS (adv_router);
! 495: break;
! 496: case OSPFv3AREALSDBLSID: /* 4 */
! 497: id.s_addr = lsa->header->id;
! 498: return SNMP_IPADDRESS (id);
! 499: break;
! 500: case OSPFv3AREALSDBSEQUENCE: /* 5 */
! 501: return SNMP_INTEGER (lsa->header->seqnum);
! 502: break;
! 503: case OSPFv3AREALSDBAGE: /* 6 */
! 504: ospf6_lsa_age_current (lsa);
! 505: return SNMP_INTEGER (lsa->header->age);
! 506: break;
! 507: case OSPFv3AREALSDBCHECKSUM: /* 7 */
! 508: return SNMP_INTEGER (lsa->header->checksum);
! 509: break;
! 510: case OSPFv3AREALSDBADVERTISEMENT: /* 8 */
! 511: *var_len = ntohs (lsa->header->length);
! 512: return (u_char *) lsa->header;
! 513: break;
! 514: case OSPFv3AREALSDBTYPEKNOWN: /* 9 */
! 515: return SNMP_INTEGER (OSPF6_LSA_IS_KNOWN (lsa->header->type) ?
! 516: SNMP_TRUE : SNMP_FALSE);
! 517: break;
! 518: default:
! 519: return NULL;
! 520: break;
! 521: }
! 522: return NULL;
! 523: }
! 524:
! 525:
! 526: /* Register OSPFv3-MIB. */
! 527: void
! 528: ospf6_snmp_init (struct thread_master *master)
! 529: {
! 530: smux_init (master);
! 531: REGISTER_MIB ("OSPFv3MIB", ospfv3_variables, variable, ospfv3_oid);
! 532: }
! 533:
! 534: #endif /* HAVE_SNMP */
! 535:
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