core-lightning/common/peer_failed.c
Rusty Russell 3e52d4100d common: convert to new wire generation style.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2020-08-25 12:53:13 +09:30

73 lines
1.9 KiB
C

#include <ccan/breakpoint/breakpoint.h>
#include <ccan/tal/str/str.h>
#include <common/crypto_sync.h>
#include <common/peer_billboard.h>
#include <common/peer_failed.h>
#include <common/peer_status_wiregen.h>
#include <common/status.h>
#include <common/status_wiregen.h>
#include <common/wire_error.h>
#include <stdarg.h>
/* Fatal error here, return peer control to lightningd */
static void NORETURN
peer_fatal_continue(const u8 *msg TAKES, const struct per_peer_state *pps)
{
int reason = fromwire_peektype(msg);
breakpoint();
status_send(msg);
status_send_fd(pps->peer_fd);
status_send_fd(pps->gossip_fd);
status_send_fd(pps->gossip_store_fd);
exit(0x80 | (reason & 0xFF));
}
/* We only support one channel per peer anyway */
void peer_failed(struct per_peer_state *pps,
const struct channel_id *channel_id,
const char *fmt, ...)
{
va_list ap;
const char *desc;
u8 *msg, *err;
va_start(ap, fmt);
desc = tal_vfmt(NULL, fmt, ap);
va_end(ap);
/* Tell peer the error. */
err = towire_errorfmt(desc, channel_id, "%s", desc);
sync_crypto_write(pps, err);
/* Tell master the error so it can re-xmit. */
msg = towire_status_peer_error(NULL, channel_id,
desc, false, pps,
err);
peer_billboard(true, desc);
tal_free(desc);
peer_fatal_continue(take(msg), pps);
}
/* We're failing because peer sent us an error message */
void peer_failed_received_errmsg(struct per_peer_state *pps,
const char *desc,
const struct channel_id *channel_id,
bool soft_error)
{
static const struct channel_id all_channels;
u8 *msg;
if (!channel_id)
channel_id = &all_channels;
msg = towire_status_peer_error(NULL, channel_id, desc, soft_error, pps,
NULL);
peer_billboard(true, "Received error from peer: %s", desc);
peer_fatal_continue(take(msg), pps);
}
void peer_failed_connection_lost(void)
{
status_send_fatal(take(towire_status_peer_connection_lost(NULL)));
}