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gossipd: add fail_peer.

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We use this if it reconnects via another fd.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell 2017-05-23 20:32:17 +09:30
parent 5fb1f20898
commit ccad93edb3
3 changed files with 36 additions and 2 deletions
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27
lightningd/gossip/gossip.c
View file

@ -429,6 +429,30 @@ static struct io_plan *release_peer(struct io_conn *conn, struct daemon *daemon,
return daemon_conn_read_next(conn, &daemon->master);
}
static struct io_plan *fail_peer(struct io_conn *conn, struct daemon *daemon,
const u8 *msg)
{
u64 unique_id;
struct peer *peer;
if (!fromwire_gossipctl_fail_peer(msg, NULL, &unique_id))
status_failed(WIRE_GOSSIPSTATUS_BAD_FAIL_REQUEST,
"%s", tal_hex(trc, msg));
/* This may not find the peer, if we fail beforehand. */
peer = find_peer(daemon, unique_id);
if (!peer)
status_trace("Unknown fail_peer %"PRIu64, unique_id);
else {
assert(peer->local);
status_trace("fail_peer %"PRIu64, unique_id);
/* This owns the peer, so we can free it */
io_close(peer->conn);
}
return daemon_conn_read_next(conn, &daemon->master);
}
static struct io_plan *getroute_req(struct io_conn *conn, struct daemon *daemon,
u8 *msg)
{
@ -616,6 +640,8 @@ static struct io_plan *recv_req(struct io_conn *conn, struct daemon_conn *master
return new_peer(conn, daemon, master->msg_in);
case WIRE_GOSSIPCTL_RELEASE_PEER:
return release_peer(conn, daemon, master->msg_in);
case WIRE_GOSSIPCTL_FAIL_PEER:
return fail_peer(conn, daemon, master->msg_in);
case WIRE_GOSSIP_GETNODES_REQUEST:
return getnodes(conn, daemon);
@ -644,6 +670,7 @@ static struct io_plan *recv_req(struct io_conn *conn, struct daemon_conn *master
case WIRE_GOSSIPSTATUS_INIT_FAILED:
case WIRE_GOSSIPSTATUS_BAD_NEW_PEER_REQUEST:
case WIRE_GOSSIPSTATUS_BAD_RELEASE_REQUEST:
case WIRE_GOSSIPSTATUS_BAD_FAIL_REQUEST:
case WIRE_GOSSIPSTATUS_BAD_REQUEST:
case WIRE_GOSSIPSTATUS_FDPASS_FAILED:
case WIRE_GOSSIPSTATUS_PEER_BAD_MSG:

9
lightningd/gossip/gossip_wire.csv
View file

@ -2,8 +2,9 @@
gossipstatus_init_failed,0x8000
gossipstatus_bad_new_peer_request,0x8001
gossipstatus_bad_release_request,0x8002
gossipstatus_bad_request,0x8003
gossipstatus_fdpass_failed,0x8004
gossipstatus_bad_fail_request,0x8003
gossipstatus_bad_request,0x8004
gossipstatus_fdpass_failed,0x8005
# Peers can give a bad message, we close their fd, but no harm done.
gossipstatus_peer_bad_msg,1000
@ -100,3 +101,7 @@ gossip_resolve_channel_reply,0,keys,num_keys*struct pubkey
gossip_forwarded_msg,10
gossip_forwarded_msg,0,msglen,2
gossip_forwarded_msg,2,msg,msglen
# If peer is still connected, fail it (master does this for reconnect)
gossipctl_fail_peer,11
gossipctl_fail_peer,0,unique_id,8

1 # These are fatal.
2 gossipstatus_init_failed,0x8000
3 gossipstatus_bad_new_peer_request,0x8001
4 gossipstatus_bad_release_request,0x8002
5 gossipstatus_bad_request,0x8003 gossipstatus_bad_fail_request,0x8003
6 gossipstatus_fdpass_failed,0x8004 gossipstatus_bad_request,0x8004
7 gossipstatus_fdpass_failed,0x8005
8 # Peers can give a bad message, we close their fd, but no harm done.
9 gossipstatus_peer_bad_msg,1000
10 gossipstatus_peer_bad_msg,0,unique_id,8
101
102
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107

2
lightningd/gossip_control.c
View file

@ -106,10 +106,12 @@ static int gossip_msg(struct subd *gossip, const u8 *msg, const int *fds)
case WIRE_GOSSIPSTATUS_BAD_REQUEST:
case WIRE_GOSSIPSTATUS_FDPASS_FAILED:
case WIRE_GOSSIPSTATUS_BAD_RELEASE_REQUEST:
case WIRE_GOSSIPSTATUS_BAD_FAIL_REQUEST:
/* These are messages we send, not them. */
case WIRE_GOSSIPCTL_INIT:
case WIRE_GOSSIPCTL_NEW_PEER:
case WIRE_GOSSIPCTL_RELEASE_PEER:
case WIRE_GOSSIPCTL_FAIL_PEER:
case WIRE_GOSSIP_GETNODES_REQUEST:
case WIRE_GOSSIP_GETROUTE_REQUEST:
case WIRE_GOSSIP_GETCHANNELS_REQUEST: