core-lightning/common/peer_failed.c
Rusty Russell cc9ca82821 status: separate types for peer failure vs "impossible" failures.
Ideally we'd rename status_failed() to status_fatal(), but that's
too much churn for now.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2018-02-08 19:07:12 +01:00

34 lines
818 B
C

#include <ccan/io/io.h>
#include <ccan/tal/str/str.h>
#include <common/crypto_sync.h>
#include <common/peer_failed.h>
#include <common/status.h>
#include <common/wire_error.h>
#include <fcntl.h>
#include <stdarg.h>
#include <unistd.h>
#include <wire/gen_peer_wire.h>
/* We only support one channel per peer anyway */
void peer_failed(int peer_fd, struct crypto_state *cs,
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);
status_fatal_sent_errmsg(take(msg), desc, channel_id);
}