daemon/dns: hand netaddr we connected to through to callback.

That way it doesn't have to extract it from fd.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
2017-05-22 20:56:50 +09:30
parent f6495d3310
commit 0c8b24cf97
6 changed files with 23 additions and 11 deletions

View File

@@ -18,6 +18,7 @@
struct dns_async {
struct lightningd_state *dstate;
struct io_plan *(*init)(struct io_conn *, struct lightningd_state *,
const struct netaddr *,
void *);
void (*fail)(struct lightningd_state *, void *arg);
const char *name;
@@ -76,7 +77,7 @@ static struct io_plan *connected(struct io_conn *conn, struct dns_async *d)
/* No longer need to try more connections via connect_failed. */
io_set_finish(conn, NULL, NULL);
plan = d->init(conn, d->dstate, d->arg);
plan = d->init(conn, d->dstate, &d->addresses[-1], d->arg);
tal_free(d);
return plan;
@@ -178,6 +179,7 @@ struct dns_async *dns_resolve_and_connect_(struct lightningd_state *dstate,
const char *name, const char *port,
struct io_plan *(*init)(struct io_conn *,
struct lightningd_state *,
const struct netaddr *,
void *arg),
void (*fail)(struct lightningd_state *, void *arg),
void *arg)

View File

@@ -14,7 +14,8 @@ struct netaddr;
typesafe_cb_preargs(struct io_plan *, void *, \
(initfn), (arg), \
struct io_conn *, \
struct lightningd_state *), \
struct lightningd_state *, \
const struct netaddr *), \
typesafe_cb_preargs(void, void *, (failfn), (arg), \
struct lightningd_state *), \
(arg))
@@ -23,6 +24,7 @@ struct dns_async *dns_resolve_and_connect_(struct lightningd_state *dstate,
const char *name, const char *port,
struct io_plan *(*init)(struct io_conn *,
struct lightningd_state *,
const struct netaddr *,
void *arg),
void (*fail)(struct lightningd_state *, void *arg),
void *arg);

View File

@@ -2996,20 +2996,15 @@ static struct io_plan *crypto_on_out(struct io_conn *conn,
static struct io_plan *peer_connected_out(struct io_conn *conn,
struct lightningd_state *dstate,
const struct netaddr *netaddr,
struct json_connecting *connect)
{
struct log *l;
struct netaddr addr;
l = new_log(conn, dstate->log_book, "OUT-%s:%s:",
connect->name, connect->port);
if (!netaddr_from_fd(io_conn_fd(conn), SOCK_STREAM, IPPROTO_TCP, &addr)) {
log_unusual(l, "Failed to get netaddr: %s", strerror(errno));
return io_close(conn);
}
log_debug_struct(l, "Connected out to %s", struct netaddr, &addr);
log_debug_struct(l, "Connected out to %s", struct netaddr, netaddr);
return peer_crypto_setup(conn, dstate, NULL, l, crypto_on_out, connect);
}

4
irc.c
View File

@@ -7,7 +7,7 @@ void (*irc_command_cb)(struct ircstate *, const struct irccommand *) = NULL;
void (*irc_connect_cb)(struct ircstate *) = NULL;
void (*irc_disconnect_cb)(struct ircstate *) = NULL;
static struct io_plan *irc_connected(struct io_conn *conn, struct lightningd_state *dstate, struct ircstate *state);
static struct io_plan *irc_connected(struct io_conn *conn, struct lightningd_state *dstate, const struct netaddr *netaddr, struct ircstate *state);
static void irc_disconnected(struct io_conn *conn, struct ircstate *state);
bool irc_send_msg(struct ircstate *state, struct privmsg *m)
@@ -167,7 +167,7 @@ void irc_connect(struct ircstate *state)
dns_resolve_and_connect(state->dstate, state->server, "6667", irc_connected, irc_failed, state);
}
static struct io_plan *irc_connected(struct io_conn *conn, struct lightningd_state *dstate, struct ircstate *state)
static struct io_plan *irc_connected(struct io_conn *conn, struct lightningd_state *dstate, const struct netaddr *netaddr, struct ircstate *state)
{
io_set_finish(conn, irc_disconnected, state);
state->conn = conn;

View File

@@ -14,6 +14,9 @@ struct connection {
/* Lightning daemon, for when we're handed through callbacks. */
struct lightningd *ld;
/* Where we connected to/from. */
struct netaddr netaddr;
/* Unique identifier for handshaked. */
u64 unique_id;
@@ -166,8 +169,10 @@ static struct io_plan *hsm_then_handshake(struct io_conn *conn,
struct io_plan *connection_out(struct io_conn *conn,
struct lightningd_state *dstate,
const struct netaddr *netaddr,
struct connection *c)
{
c->netaddr = *netaddr;
return hsm_then_handshake(conn, ld_from_dstate(dstate), c);
}
@@ -175,5 +180,11 @@ struct io_plan *connection_in(struct io_conn *conn, struct lightningd *ld)
{
struct connection *c = new_connection(ld, ld, NULL, NULL);
/* FIXME: Don't assume TCP here. */
if (!netaddr_from_fd(io_conn_fd(conn), SOCK_STREAM, IPPROTO_TCP,
&c->netaddr)) {
log_unusual(ld->log, "Could not get address of incoming fd");
return io_close(conn);
}
return hsm_then_handshake(conn, ld, c);
}

View File

@@ -7,6 +7,7 @@ struct command;
struct io_conn;
struct lightningd;
struct lightningd_state;
struct netaddr;
struct pubkey;
struct connection *new_connection(const tal_t *ctx,
@@ -16,6 +17,7 @@ struct connection *new_connection(const tal_t *ctx,
struct io_plan *connection_out(struct io_conn *conn,
struct lightningd_state *dstate,
const struct netaddr *netaddr,
struct connection *c);
struct io_plan *connection_in(struct io_conn *conn, struct lightningd *ld);