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gossipd: Add handling of channel_update to routing failures.

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This commit is contained in:
ZmnSCPxj
2018-01-21 00:36:41 +00:00
committed by Rusty Russell
parent 299b280f78
commit 67e2275383
7 changed files with 52 additions and 6 deletions
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34
gossipd/routing.c
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@@ -1054,12 +1054,14 @@ static void routing_failure_on_nc(struct routing_state *rstate,
void routing_failure(struct routing_state *rstate,
const struct pubkey *erring_node_pubkey,
const struct short_channel_id *scid,
enum onion_type failcode)
enum onion_type failcode,
const u8 *channel_update)
{
const tal_t *tmpctx = tal_tmpctx(rstate);
struct node *node;
struct node_connection *nc;
int i;
enum wire_type t;
status_trace("Received routing failure 0x%04x (%s), "
"erring node %s, "
@@ -1106,7 +1108,35 @@ void routing_failure(struct routing_state *rstate,
erring_node_pubkey));
}
/* FIXME: if UPDATE is set, apply the channel update. */
/* Update the channel if UPDATE failcode. Do
* this after deactivating, so that if the
* channel_update is newer it will be
* reactivated. */
if (failcode & UPDATE) {
if (tal_len(channel_update) == 0) {
status_trace("UNUSUAL routing_failure: "
"UPDATE bit set, no channel_update. "
"failcode: 0x%04x",
(int) failcode);
goto out;
}
t = fromwire_peektype(channel_update);
if (t != WIRE_CHANNEL_UPDATE) {
status_trace("UNUSUAL routing_failure: "
"not a channel_update. "
"type: %d",
(int) t);
goto out;
}
handle_channel_update(rstate, channel_update);
} else {
if (tal_len(channel_update) != 0)
status_trace("UNUSUAL routing_failure: "
"UPDATE bit clear, channel_update given. "
"failcode: 0x%04x",
(int) failcode);
}
out:
tal_free(tmpctx);
}