* Parse BMP peer header flags by peer type * * This method will update the instance variable "p_entry" * * \param [in] peer_type peer type from peer header * \param [in] peer_flags flags from peer header * */
| 353 | * |
| 354 | */ |
| 355 | void parseBMP::parsePeerFlags(u_char peer_type, u_char peer_flags) { |
| 356 | |
| 357 | switch (peer_type) { |
| 358 | case 3: // Local RIB (draft-ietf-grow-bmp-local-rib) |
| 359 | p_entry->isLocRib = true; |
| 360 | |
| 361 | if (peer_flags & 0x80) { // Indicates if the local-rib is filtered |
| 362 | p_entry->isLocRibFiltered = true; |
| 363 | } |
| 364 | |
| 365 | break; |
| 366 | |
| 367 | default: |
| 368 | p_entry->isLocRib = false; |
| 369 | |
| 370 | if (peer_flags & 0x80) { // V flag of 1 means this is IPv6 |
| 371 | p_entry->isIPv4 = false; |
| 372 | |
| 373 | } else { |
| 374 | p_entry->isIPv4 = true; |
| 375 | } |
| 376 | |
| 377 | if (peer_flags & 0x10) { // O flag of 1 means this is Adj-Rib-Out |
| 378 | SELF_DEBUG("Msg is for Adj-RIB-Out"); |
| 379 | p_entry->isAdjIn = false; |
| 380 | } |
| 381 | |
| 382 | if (peer_flags & 0x20) { // A flag of 1 means 2-octet encoding |
| 383 | SELF_DEBUG("Msg is 2-octet encoded"); |
| 384 | p_entry->isTwoOctet = true; |
| 385 | } |
| 386 | |
| 387 | if (peer_flags & 0x40) { // L flag of 1 means this is post-policy of Adj-RIB-In |
| 388 | SELF_DEBUG("Msg is for POST-POLICY Adj-RIB-In"); |
| 389 | p_entry->isPrePolicy = false; |
| 390 | } else { |
| 391 | SELF_DEBUG("Msg is for PRE-POLICY Adj-RIB-In"); |
| 392 | p_entry->isPrePolicy = true; |
| 393 | p_entry->isAdjIn = true; |
| 394 | } |
| 395 | |
| 396 | // Is peer type L3VPN peer or global instance |
| 397 | if (peer_type == 1) // L3VPN |
| 398 | p_entry->isL3VPN = 1; |
| 399 | |
| 400 | else |
| 401 | // Global Instance |
| 402 | p_entry->isL3VPN = 0; |
| 403 | |
| 404 | break; |
| 405 | } |
| 406 | |
| 407 | } |
| 408 | |
| 409 | /** |
| 410 | * Parse the v3 peer header |
nothing calls this directly
no outgoing calls
no test coverage detected