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gossipd: tell the master the peer's address.

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This will let us remove peer->netaddr.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell 2017-10-23 14:43:38 +10:30
parent 33bfc2326a
commit dfd60a2047
5 changed files with 43 additions and 17 deletions
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15
gossipd/gossip.c
View file

@ -194,6 +194,7 @@ static struct addrhint *find_addrhint(struct daemon *daemon,
static struct peer *new_peer(const tal_t *ctx,
struct daemon *daemon,
const struct pubkey *their_id,
const struct ipaddr *addr,
const struct crypto_state *cs)
{
struct peer *peer = tal(ctx, struct peer);
@ -201,6 +202,7 @@ static struct peer *new_peer(const tal_t *ctx,
init_peer_crypto_state(peer, &peer->pcs);
peer->pcs.cs = *cs;
peer->id = *their_id;
peer->addr = *addr;
peer->daemon = daemon;
peer->local = true;
peer->reach_again = false;
@ -310,7 +312,8 @@ static struct io_plan *peer_init_received(struct io_conn *conn,
peer_finalized(peer);
/* We will not have anything queued, since we're not duplex. */
msg = towire_gossip_peer_connected(peer, &peer->id, &peer->pcs.cs,
msg = towire_gossip_peer_connected(peer, &peer->id, &peer->addr,
&peer->pcs.cs,
peer->gfeatures, peer->lfeatures);
if (!send_peer_with_fds(peer, msg))
return io_close(conn);
@ -343,11 +346,10 @@ static struct io_plan *init_new_peer(struct io_conn *conn,
const struct crypto_state *cs,
struct daemon *daemon)
{
struct peer *peer = new_peer(conn, daemon, their_id, cs);
struct peer *peer = new_peer(conn, daemon, their_id, addr, cs);
u8 *initmsg;
peer->fd = io_conn_fd(conn);
peer->addr = *addr;
/* BOLT #1:
*
@ -429,12 +431,14 @@ static struct io_plan *ready_for_master(struct io_conn *conn, struct peer *peer)
u8 *msg;
if (peer->nongossip_msg)
msg = towire_gossip_peer_nongossip(peer, &peer->id,
&peer->addr,
&peer->pcs.cs,
peer->gfeatures,
peer->lfeatures,
peer->nongossip_msg);
else
msg = towire_gossipctl_release_peer_reply(peer,
&peer->addr,
&peer->pcs.cs,
peer->gfeatures,
peer->lfeatures);
@ -714,10 +718,11 @@ static struct io_plan *handle_peer(struct io_conn *conn, struct daemon *daemon,
struct peer *peer;
struct crypto_state cs;
struct pubkey id;
struct ipaddr addr;
u8 *gfeatures, *lfeatures;
u8 *inner_msg;
if (!fromwire_gossipctl_handle_peer(msg, msg, NULL, &id, &cs,
if (!fromwire_gossipctl_handle_peer(msg, msg, NULL, &id, &addr, &cs,
&gfeatures, &lfeatures, &inner_msg))
master_badmsg(WIRE_GOSSIPCTL_HANDLE_PEER, msg);
@ -738,7 +743,7 @@ static struct io_plan *handle_peer(struct io_conn *conn, struct daemon *daemon,
status_trace("handle_peer %s: new peer",
type_to_string(trc, struct pubkey, &id));
peer = new_peer(daemon, daemon, &id, &cs);
peer = new_peer(daemon, daemon, &id, &addr, &cs);
peer->gfeatures = tal_steal(peer, gfeatures);
peer->lfeatures = tal_steal(peer, lfeatures);
peer_finalized(peer);

4
gossipd/gossip_wire.csv
View file

@ -24,6 +24,7 @@ gossipctl_reach_peer,,id,struct pubkey
# Gossipd -> master: we got a peer. Two fds: peer and gossip
gossip_peer_connected,3002
gossip_peer_connected,,id,struct pubkey
gossip_peer_connected,,addr,struct ipaddr
gossip_peer_connected,,crypto_state,struct crypto_state
gossip_peer_connected,,gflen,u16
gossip_peer_connected,,gfeatures,gflen*u8
@ -33,6 +34,7 @@ gossip_peer_connected,,lfeatures,lflen*u8
# Gossipd -> master: peer sent non-gossip packet. Two fds: peer and gossip
gossip_peer_nongossip,3003
gossip_peer_nongossip,,id,struct pubkey
gossip_peer_nongossip,,addr,struct ipaddr
gossip_peer_nongossip,,crypto_state,struct crypto_state
gossip_peer_nongossip,,gflen,u16
gossip_peer_nongossip,,gfeatures,gflen*u8
@ -47,6 +49,7 @@ gossipctl_release_peer,,id,struct pubkey
# Gossipd -> master: reply to gossip_release_peer. Two fds: peer and gossip.
gossipctl_release_peer_reply,3104
gossipctl_release_peer_reply,,addr,struct ipaddr
gossipctl_release_peer_reply,,crypto_state,struct crypto_state
gossipctl_release_peer_reply,,gflen,u16
gossipctl_release_peer_reply,,gfeatures,gflen*u8
@ -59,6 +62,7 @@ gossipctl_release_peer_replyfail,3204
# Gossipd -> master: take over peer, with optional msg. (+peer fd)
gossipctl_handle_peer,3013
gossipctl_handle_peer,,id,struct pubkey
gossipctl_handle_peer,,addr,struct ipaddr
gossipctl_handle_peer,,crypto_state,struct crypto_state
gossipctl_handle_peer,,gflen,u16
gossipctl_handle_peer,,gfeatures,gflen*u8

1 #include <common/cryptomsg.h>
24 gossip_peer_connected,,gflen,u16 gossip_peer_connected,,crypto_state,struct crypto_state
25 gossip_peer_connected,,gfeatures,gflen*u8 gossip_peer_connected,,gflen,u16
26 gossip_peer_connected,,lflen,u16 gossip_peer_connected,,gfeatures,gflen*u8
27 gossip_peer_connected,,lflen,u16
28 gossip_peer_connected,,lfeatures,lflen*u8
29 # Gossipd -> master: peer sent non-gossip packet. Two fds: peer and gossip
30 gossip_peer_nongossip,3003
34 gossip_peer_nongossip,,gfeatures,gflen*u8 gossip_peer_nongossip,,gflen,u16
35 gossip_peer_nongossip,,lflen,u16 gossip_peer_nongossip,,gfeatures,gflen*u8
36 gossip_peer_nongossip,,lfeatures,lflen*u8 gossip_peer_nongossip,,lflen,u16
37 gossip_peer_nongossip,,lfeatures,lflen*u8
38 gossip_peer_nongossip,,len,u16
39 gossip_peer_nongossip,,msg,len*u8
40 # Master -> gossipd: release a peer (so we can open a channel)
49 gossipctl_release_peer_reply,,lfeatures,lflen*u8 gossipctl_release_peer_reply,,lflen,u16
50 # Gossipd -> master: reply to gossip_release_peer if we couldn't find the peer. gossipctl_release_peer_reply,,lfeatures,lflen*u8
51 gossipctl_release_peer_replyfail,3204 # Gossipd -> master: reply to gossip_release_peer if we couldn't find the peer.
52 gossipctl_release_peer_replyfail,3204
53 # Gossipd -> master: take over peer, with optional msg. (+peer fd)
54 gossipctl_handle_peer,3013
55 gossipctl_handle_peer,,id,struct pubkey
62 gossipctl_handle_peer,,msg,len*u8 gossipctl_handle_peer,,len,u16
63 # Pass JSON-RPC getnodes call through gossipctl_handle_peer,,msg,len*u8
64 gossip_getnodes_request,3005 # Pass JSON-RPC getnodes call through
65 gossip_getnodes_request,3005
66 #include <lightningd/gossip_msg.h>
67 gossip_getnodes_reply,3105
68 gossip_getnodes_reply,,num_nodes,u16

5
lightningd/gossip_control.c
View file

@ -24,10 +24,11 @@ static void peer_nongossip(struct subd *gossip, const u8 *msg,
{
struct pubkey id;
struct crypto_state cs;
struct ipaddr addr;
u8 *gfeatures, *lfeatures, *in_pkt;
if (!fromwire_gossip_peer_nongossip(msg, msg, NULL,
&id, &cs,
&id, &addr, &cs,
&gfeatures,
&lfeatures,
&in_pkt))
@ -45,7 +46,7 @@ static void peer_nongossip(struct subd *gossip, const u8 *msg,
return;
}
peer_sent_nongossip(gossip->ld, &id, &cs, gfeatures, lfeatures,
peer_sent_nongossip(gossip->ld, &id, &addr, &cs, gfeatures, lfeatures,
peer_fd, gossip_fd, in_pkt);
}

34
lightningd/peer_control.c
View file

@ -56,6 +56,7 @@ struct connect {
struct funding_channel;
static void peer_offer_channel(struct lightningd *ld,
struct funding_channel *fc,
const struct ipaddr *addr,
const struct crypto_state *cs,
const u8 *gfeatures, const u8 *lfeatures,
int peer_fd, int gossip_fd);
@ -70,6 +71,7 @@ static void peer_start_closingd(struct peer *peer,
bool reconnected);
static void peer_accept_channel(struct lightningd *ld,
const struct pubkey *peer_id,
const struct ipaddr *addr,
const struct crypto_state *cs,
const u8 *gfeatures, const u8 *lfeatures,
int peer_fd, int gossip_fd,
@ -305,6 +307,7 @@ static void connect_failed(struct lightningd *ld, const struct pubkey *id,
static struct peer *new_peer(struct lightningd *ld,
const struct pubkey *id,
const struct ipaddr *addr,
const u8 *gfeatures, const u8 *lfeatures,
int peer_fd)
{
@ -314,6 +317,7 @@ static struct peer *new_peer(struct lightningd *ld,
peer = talz(ld, struct peer);
peer->error = NULL;
peer->id = *id;
peer->addr = *addr;
peer->funding_txid = NULL;
peer->remote_funding_locked = false;
peer->scid = NULL;
@ -506,9 +510,11 @@ void peer_connected(struct lightningd *ld, const u8 *msg,
u8 *gfeatures, *lfeatures;
u8 *error;
struct peer *peer;
struct ipaddr addr;
if (!fromwire_gossip_peer_connected(msg, msg, NULL,
&id, &cs, &gfeatures, &lfeatures))
&id, &addr, &cs,
&gfeatures, &lfeatures))
fatal("Gossip gave bad GOSSIP_PEER_CONNECTED message %s",
tal_hex(msg, msg));
@ -567,6 +573,7 @@ void peer_connected(struct lightningd *ld, const u8 *msg,
* on this peer. */
peer_set_owner(peer, NULL);
peer->addr = addr;
peer_start_channeld(peer, &cs, peer_fd, gossip_fd, NULL,
true);
return;
@ -577,6 +584,7 @@ void peer_connected(struct lightningd *ld, const u8 *msg,
* on this peer. */
peer_set_owner(peer, NULL);
peer->addr = addr;
peer_start_closingd(peer, &cs, peer_fd, gossip_fd,
true);
return;
@ -586,7 +594,7 @@ void peer_connected(struct lightningd *ld, const u8 *msg,
return_to_gossipd:
/* Otherwise, we hand back to gossipd, to continue. */
msg = towire_gossipctl_handle_peer(msg, &id, &cs,
msg = towire_gossipctl_handle_peer(msg, &id, &addr, &cs,
gfeatures, lfeatures, NULL);
subd_send_msg(ld->gossip, take(msg));
subd_send_fd(ld->gossip, peer_fd);
@ -599,7 +607,7 @@ return_to_gossipd:
send_error:
/* Hand back to gossipd, with an error packet. */
connect_failed(ld, &id, sanitize_error(msg, error, NULL));
msg = towire_gossipctl_handle_peer(msg, &id, &cs,
msg = towire_gossipctl_handle_peer(msg, &id, &addr, &cs,
gfeatures, lfeatures, error);
subd_send_msg(ld->gossip, take(msg));
subd_send_fd(ld->gossip, peer_fd);
@ -608,6 +616,7 @@ send_error:
void peer_sent_nongossip(struct lightningd *ld,
const struct pubkey *id,
const struct ipaddr *addr,
const struct crypto_state *cs,
const u8 *gfeatures,
const u8 *lfeatures,
@ -636,7 +645,7 @@ void peer_sent_nongossip(struct lightningd *ld,
/* Open request? */
if (fromwire_peektype(in_msg) == WIRE_OPEN_CHANNEL) {
peer_accept_channel(ld, id, cs, gfeatures, lfeatures,
peer_accept_channel(ld, id, addr, cs, gfeatures, lfeatures,
peer_fd, gossip_fd, in_msg);
return;
}
@ -649,7 +658,7 @@ void peer_sent_nongossip(struct lightningd *ld,
send_error:
/* Hand back to gossipd, with an error packet. */
connect_failed(ld, id, sanitize_error(error, error, NULL));
msg = towire_gossipctl_handle_peer(error, id, cs,
msg = towire_gossipctl_handle_peer(error, id, addr, cs,
gfeatures, lfeatures, error);
subd_send_msg(ld->gossip, take(msg));
subd_send_fd(ld->gossip, peer_fd);
@ -2204,6 +2213,7 @@ static void opening_fundee_finished(struct subd *opening,
/* Peer has spontaneously exited from gossip due to open msg */
static void peer_accept_channel(struct lightningd *ld,
const struct pubkey *peer_id,
const struct ipaddr *addr,
const struct crypto_state *cs,
const u8 *gfeatures, const u8 *lfeatures,
int peer_fd, int gossip_fd,
@ -2218,7 +2228,7 @@ static void peer_accept_channel(struct lightningd *ld,
assert(fromwire_peektype(open_msg) == WIRE_OPEN_CHANNEL);
/* We make a new peer. */
peer = new_peer(ld, peer_id, gfeatures, lfeatures, peer_fd);
peer = new_peer(ld, peer_id, addr, gfeatures, lfeatures, peer_fd);
/* FIXME: Only happens due to netaddr fail. */
if (!peer) {
@ -2279,7 +2289,7 @@ static void peer_accept_channel(struct lightningd *ld,
peer_to_gossipd:
/* Return to gossipd, with optional error msg to send. */
msg = towire_gossipctl_handle_peer(ld, peer_id, cs,
msg = towire_gossipctl_handle_peer(ld, peer_id, addr, cs,
gfeatures, lfeatures, errmsg);
subd_send_msg(ld->gossip, take(msg));
subd_send_fd(ld->gossip, peer_fd);
@ -2290,6 +2300,7 @@ peer_to_gossipd:
static void peer_offer_channel(struct lightningd *ld,
struct funding_channel *fc,
const struct ipaddr *addr,
const struct crypto_state *cs,
const u8 *gfeatures, const u8 *lfeatures,
int peer_fd, int gossip_fd)
@ -2300,7 +2311,8 @@ static void peer_offer_channel(struct lightningd *ld,
struct utxo *utxos;
/* We make a new peer. */
fc->peer = new_peer(ld, &fc->peerid, gfeatures, lfeatures, peer_fd);
fc->peer = new_peer(ld, &fc->peerid, addr,
gfeatures, lfeatures, peer_fd);
/* FIXME: Only happens due to netaddr fail. */
if (!fc->peer) {
@ -2389,11 +2401,12 @@ static void gossip_peer_released(struct subd *gossip,
struct lightningd *ld = gossip->ld;
struct crypto_state cs;
u8 *gfeatures, *lfeatures;
struct ipaddr addr;
/* We could have raced with peer doing something else. */
fc->peer = peer_by_id(ld, &fc->peerid);
if (!fromwire_gossipctl_release_peer_reply(fc, resp, NULL, &cs,
if (!fromwire_gossipctl_release_peer_reply(fc, resp, NULL, &addr, &cs,
&gfeatures, &lfeatures)) {
if (!fromwire_gossipctl_release_peer_replyfail(resp, NULL)) {
fatal("Gossip daemon gave invalid reply %s",
@ -2419,7 +2432,8 @@ static void gossip_peer_released(struct subd *gossip,
}
/* OK, offer peer a channel. */
peer_offer_channel(ld, fc, &cs, gfeatures, lfeatures, fds[0], fds[1]);
peer_offer_channel(ld, fc, &addr, &cs, gfeatures, lfeatures,
fds[0], fds[1]);
}
static void json_fund_channel(struct command *cmd,

2
lightningd/peer_control.h
View file

@ -56,6 +56,7 @@ struct peer {
/* Where we connected to, or it connected from. */
struct netaddr netaddr;
struct ipaddr addr;
/* Our channel config. */
struct channel_config our_config;
@ -168,6 +169,7 @@ void peer_connected(struct lightningd *ld, const u8 *msg,
void peer_sent_nongossip(struct lightningd *ld,
const struct pubkey *id,
const struct ipaddr *addr,
const struct crypto_state *cs,
const u8 *gfeatures,
const u8 *lfeatures,