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lightningd/gossip: use daemon_conn for master daemon interaction. 

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell 2017-03-20 06:58:29 +10:30
parent 6dd07801d4
commit 1f894b6234
1 changed files with 21 additions and 31 deletions
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52
lightningd/gossip/gossip.c
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@ -35,7 +35,9 @@
struct daemon {
struct list_head peers;
u8 *msg_in;
/* Connection to main daemon. */
struct daemon_conn master;
/* Routing information */
struct routing_state *rstate;
@ -352,8 +354,10 @@ static struct io_plan *peer_parse_init(struct io_conn *conn,
* Each node MUST wait to receive `init` before sending any other
* messages.
*/
status_send(towire_gossipstatus_peer_ready(msg, peer->unique_id));
status_send_fd(client_fd);
daemon_conn_send(&peer->daemon->master,
take(towire_gossipstatus_peer_ready(msg,
peer->unique_id)));
daemon_conn_send_fd(&peer->daemon->master, client_fd);
/* Need to go duplex here, otherwise backpressure would mean
* we both wait indefinitely */
@ -382,8 +386,6 @@ static struct io_plan *peer_send_init(struct io_conn *conn, struct peer *peer)
peer_init_sent);
}
static struct io_plan *next_req_in(struct io_conn *conn, struct daemon *daemon);
static struct io_plan *new_peer_got_fd(struct io_conn *conn, struct peer *peer)
{
peer->conn = io_new_conn(conn, peer->fd, peer_send_init, peer);
@ -391,7 +393,7 @@ static struct io_plan *new_peer_got_fd(struct io_conn *conn, struct peer *peer)
peer->error = "Could not create connection";
tal_free(peer);
}
return next_req_in(conn, peer->daemon);
return daemon_conn_read_next(conn,&peer->daemon->master);
}
static struct io_plan *new_peer(struct io_conn *conn, struct daemon *daemon,
@ -404,15 +406,6 @@ static struct io_plan *new_peer(struct io_conn *conn, struct daemon *daemon,
return io_recv_fd(conn, &peer->fd, new_peer_got_fd, peer);
}
static struct io_plan *release_peer_fd(struct io_conn *conn, struct peer *peer)
{
int fd = peer->fd;
/* This will be closed after sending. */
peer->fd = -1;
return io_send_fd(conn, fd, true, next_req_in, peer->daemon);
}
static struct io_plan *release_peer(struct io_conn *conn, struct daemon *daemon,
const u8 *msg)
{
@ -436,7 +429,10 @@ static struct io_plan *release_peer(struct io_conn *conn, struct daemon *daemon,
unique_id,
&peer->pcs.cs);
peer->local = false;
return io_write_wire(conn, out, release_peer_fd, peer);
daemon_conn_send(&daemon->master, take(out));
daemon_conn_send_fd(&daemon->master, peer->fd);
peer->fd = -1;
return daemon_conn_read_next(conn, &daemon->master);
}
}
status_failed(WIRE_GOSSIPSTATUS_BAD_RELEASE_REQUEST,
@ -463,22 +459,24 @@ static struct io_plan *getnodes(struct io_conn *conn, struct daemon *daemon)
n = node_map_next(daemon->rstate->nodes, &i);
}
out = towire_gossip_getnodes_reply(daemon, nodes);
daemon_conn_send(&daemon->master, take(out));
tal_free(tmpctx);
return io_write_wire(conn, take(out), next_req_in, daemon);
return daemon_conn_read_next(conn, &daemon->master);
}
static struct io_plan *recv_req(struct io_conn *conn, struct daemon *daemon)
static struct io_plan *recv_req(struct io_conn *conn, struct daemon_conn *master)
{
enum gossip_wire_type t = fromwire_peektype(daemon->msg_in);
struct daemon *daemon = container_of(master, struct daemon, master);
enum gossip_wire_type t = fromwire_peektype(master->msg_in);
status_trace("req: type %s len %zu",
gossip_wire_type_name(t), tal_count(daemon->msg_in));
gossip_wire_type_name(t), tal_count(master->msg_in));
switch (t) {
case WIRE_GOSSIPCTL_NEW_PEER:
return new_peer(conn, daemon, daemon->msg_in);
return new_peer(conn, daemon, master->msg_in);
case WIRE_GOSSIPCTL_RELEASE_PEER:
return release_peer(conn, daemon, daemon->msg_in);
return release_peer(conn, daemon, master->msg_in);
case WIRE_GOSSIP_GETNODES_REQUEST:
return getnodes(conn, daemon);
@ -500,12 +498,6 @@ static struct io_plan *recv_req(struct io_conn *conn, struct daemon *daemon)
status_failed(WIRE_GOSSIPSTATUS_BAD_REQUEST, "%i", t);
}
static struct io_plan *next_req_in(struct io_conn *conn, struct daemon *daemon)
{
daemon->msg_in = tal_free(daemon->msg_in);
return io_read_wire(conn, daemon, &daemon->msg_in, recv_req, daemon);
}
#ifndef TESTING
int main(int argc, char *argv[])
{
@ -530,12 +522,10 @@ int main(int argc, char *argv[])
daemon->rstate = new_routing_state(daemon, base_log);
list_head_init(&daemon->peers);
timers_init(&daemon->timers, time_mono());
daemon->msg_in = NULL;
/* stdin == control */
status_setup(STDIN_FILENO);
io_new_conn(NULL, STDIN_FILENO, next_req_in, daemon);
daemon_conn_init(daemon, &daemon->master, STDIN_FILENO, recv_req);
for (;;) {
struct timer *expired = NULL;
io_loop(&daemon->timers, &expired);