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11 Commits

Author SHA1 Message Date
Rusty Russell 0498695f1f gossipd: have seeker quert interfaces take an id, not a struct peer. 
Again, we don't necessarily have a peer pointer.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2024-02-04 09:24:44 +10:30
Rusty Russell 6031efe145 gossipd: make seeker uintmap visible to memleak code. 
```
gossipd: MEMLEAK: 0x55e22ac0f8e8
gossipd:   label=gossipd/seeker.c:621:u8
gossipd:   alloc:
gossipd:     ccan/ccan/tal/tal.c:477 (tal_alloc_)
gossipd:     gossipd/seeker.c:621 (check_timestamps)
gossipd:     gossipd/seeker.c:645 (process_scid_probe)
gossipd:     gossipd/queries.c:849 (handle_reply_channel_range)
gossipd:     gossipd/gossipd.c:436 (handle_recv_gossip)
gossipd:     gossipd/gossipd.c:509 (connectd_req)
gossipd:     common/daemon_conn.c:35 (handle_read)
gossipd:     ccan/ccan/io/io.c:59 (next_plan)
gossipd:     ccan/ccan/io/io.c:407 (do_plan)
gossipd:     ccan/ccan/io/io.c:417 (io_ready)
gossipd:     ccan/ccan/io/poll.c:453 (io_loop)
gossipd:     gossipd/gossipd.c:950 (main)
gossipd:   parents:
gossipd:     gossipd/seeker.c:132:struct seeker
```

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2024-01-31 14:47:33 +10:30
Rusty Russell 3ce2f28907 gossipd: don't use softref in the seeker. 
We keep several peer pointers, but we just add a hook to NULL them
manually when a peer dies, rather than using voodoo.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2023-07-09 16:49:48 +09:30
Rusty Russell 9bddfc2048 connectd: take dev-suppress-gossip from gossipd. 
Gossipd didn't actually suppress all gossip, resulting in a flake!
Doing it in connectd now makes much more sense.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2022-03-31 19:38:05 +10:30
Rusty Russell d2a5f056a8 gossipd: restore dev-suppress-gossip functionality. 
Don't start new peers, and don't check on existing peers.  This should
get rid of most gossip.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2019-10-10 21:48:52 -05:00
Rusty Russell a1644c1b6e seeker: start doing a channel probe if we see unknown node_announcement msgs. 
It usually means we're missing something, but there's no way to ask what.
Simply start a broad scid probe.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2019-10-10 21:48:52 -05:00
Rusty Russell f7cffbad98 seeker: try asking peer which gave us unknown data first. 
This should give more reliable results, though it risks us getting
suckered into always consulting the same peer.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2019-10-10 21:48:52 -05:00
Rusty Russell 82a5efa932 gossipd: start streaming gossip from last gossip timestamp minus 10 minutes. 
We assume that the time for gossip propagation is < 10 minutes, so by
going back that far from last gossip we won't miss anything,

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2019-10-10 21:48:52 -05:00
Rusty Russell 4b13c92802 seeker: use hash table for unknown short_channel_ids. 
Instead of a linear array which is fairly inefficient if it turns out
we know nothing at all.

We remove the gossip_missing() call by changing the api to
remove_unknown_scid() to include a flag as to whether the scid turned
out to be real or not.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2019-10-10 21:48:52 -05:00
Rusty Russell 521c7f7121 seeker: take over gossip control. 
The seeker starts by asking a peer (the first peer!) for all gossip
since a minute before the modified time of the gossip store.

This algorithm is enhanced in successive patches.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2019-10-10 21:48:52 -05:00
Rusty Russell 55323ec385 gossipd: move gossip seeking routines into new file seeker.c 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2019-10-10 21:48:52 -05:00