Files
lightning/common/peer_failed.c
Rusty Russell 02d469b3d4 peer_failed: hand fds back to master when we fail.
master now hands it back to gossipd.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2018-02-19 02:56:51 +00:00

55 lines
1.5 KiB
C

#include <ccan/io/io.h>
#include <ccan/tal/str/str.h>
#include <common/crypto_sync.h>
#include <common/gen_peer_status_wire.h>
#include <common/gen_status_wire.h>
#include <common/peer_failed.h>
#include <common/status.h>
#include <common/wire_error.h>
#include <stdarg.h>
#include <unistd.h>
/* We only support one channel per peer anyway */
void peer_failed_(int peer_fd, int gossip_fd,
struct crypto_state *cs, u64 gossip_index,
const struct channel_id *channel_id,
const char *fmt, ...)
{
va_list ap;
const char *desc;
u8 *msg;
va_start(ap, fmt);
desc = tal_vfmt(NULL, fmt, ap);
va_end(ap);
status_broken("SENT ERROR:%s", desc);
msg = towire_errorfmt(desc, channel_id, "%s", desc);
/* This is only best-effort; don't block. */
io_fd_block(peer_fd, false);
sync_crypto_write(cs, peer_fd, msg);
msg = towire_status_peer_error(NULL, channel_id,
desc, cs, gossip_index, msg);
tal_free(desc);
status_send_fatal(take(msg), peer_fd, gossip_fd);
}
/* We're failing because peer sent us an error message */
void peer_failed_received_errmsg(int peer_fd, int gossip_fd,
struct crypto_state *cs, u64 gossip_index,
const char *desc,
const struct channel_id *channel_id)
{
u8 *msg = towire_status_peer_error(NULL, channel_id,
desc, cs, gossip_index, NULL);
status_send_fatal(take(msg), peer_fd, gossip_fd);
}
void peer_failed_connection_lost(void)
{
status_send_fatal(take(towire_status_peer_connection_lost(NULL)),
-1, -1);
}