| 469 | } |
| 470 | |
| 471 | static void remove_chan_from_node(struct routing_state *rstate, |
| 472 | struct node *node, const struct chan *chan) |
| 473 | { |
| 474 | size_t num_chans; |
| 475 | |
| 476 | if (!node_uses_chan_map(node)) { |
| 477 | num_chans = 0; |
| 478 | for (size_t i = 0; i < NUM_IMMEDIATE_CHANS; i++) { |
| 479 | if (node->chans.arr[i] == chan) |
| 480 | node->chans.arr[i] = NULL; |
| 481 | else if (node->chans.arr[i] != NULL) |
| 482 | num_chans++; |
| 483 | } |
| 484 | } else { |
| 485 | if (!chan_map_del(&node->chans.map, chan)) |
| 486 | abort(); |
| 487 | num_chans = chan_map_count(&node->chans.map); |
| 488 | } |
| 489 | |
| 490 | /* Last channel? Simply delete node (and associated announce) */ |
| 491 | if (num_chans == 0) { |
| 492 | if(node->rgraph.index != node->bcast.index) |
| 493 | gossip_store_delete(rstate->gs, |
| 494 | &node->rgraph, |
| 495 | WIRE_NODE_ANNOUNCEMENT); |
| 496 | gossip_store_delete(rstate->gs, |
| 497 | &node->bcast, |
| 498 | WIRE_NODE_ANNOUNCEMENT); |
| 499 | tal_free(node); |
| 500 | return; |
| 501 | } |
| 502 | |
| 503 | if (!node->bcast.index) |
| 504 | return; |
| 505 | |
| 506 | /* Removed only public channel? Remove node announcement. */ |
| 507 | if (!node_has_broadcastable_channels(node)) { |
| 508 | if(node->rgraph.index != node->bcast.index) |
| 509 | gossip_store_delete(rstate->gs, |
| 510 | &node->rgraph, |
| 511 | WIRE_NODE_ANNOUNCEMENT); |
| 512 | gossip_store_delete(rstate->gs, |
| 513 | &node->bcast, |
| 514 | WIRE_NODE_ANNOUNCEMENT); |
| 515 | node->rgraph.index = node->bcast.index = 0; |
| 516 | node->rgraph.timestamp = node->bcast.timestamp = 0; |
| 517 | } else if (node_announce_predates_channels(node)) { |
| 518 | /* node announcement predates all channel announcements? |
| 519 | * Move to end (we could, in theory, move to just past next |
| 520 | * channel_announce, but we don't care that much about spurious |
| 521 | * retransmissions in this corner case */ |
| 522 | force_node_announce_rexmit(rstate, node); |
| 523 | } |
| 524 | } |
| 525 | |
| 526 | #if DEVELOPER |
| 527 | /* We make sure that free_chan is called on this chan! */ |
no test coverage detected