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ef28b6112c
This change is really to allow us to have a --dev-fail-on-subdaemon-fail option so we can handle failures from subdaemons generically. It also neatens handling so we can have an explicit callback for "peer did something wrong" (which matters if we want to close the channel in that case). Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
61 lines
1.7 KiB
C
61 lines
1.7 KiB
C
#ifndef LIGHTNING_COMMON_STATUS_H
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#define LIGHTNING_COMMON_STATUS_H
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#include "config.h"
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#include <ccan/compiler/compiler.h>
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#include <ccan/short_types/short_types.h>
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#include <stdlib.h>
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struct daemon_conn;
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/* Simple status reporting API. */
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void status_setup_sync(int fd);
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void status_setup_async(struct daemon_conn *master);
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/* Convenient context, frees up after every status_update/failed */
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extern const void *trc;
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/* Special status code for tracing messages. */
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#define STATUS_TRACE 0x7FFF
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/* Failure codes always have high bit set. */
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#define STATUS_FAIL 0x8000
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/* These are always followed by an ASCII string. */
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enum status_fail {
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/*
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* These errors shouldn't happen:
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*/
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/* Master daemon sent unknown/malformed command, or fd failed */
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STATUS_FAIL_MASTER_IO = STATUS_FAIL,
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/* Hsmd sent unknown/malformed command, or fd failed */
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STATUS_FAIL_HSM_IO,
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/* Gossipd sent unknown/malformed command, or fd failed */
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STATUS_FAIL_GOSSIP_IO,
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/* Other internal error. */
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STATUS_FAIL_INTERNAL_ERROR,
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/*
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* These errors happen when the other peer misbehaves:
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*/
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/* I/O failure (probably they closed the socket) */
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STATUS_FAIL_PEER_IO,
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/* Peer did something else wrong */
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STATUS_FAIL_PEER_BAD
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};
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/* Send a message (frees the message). */
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void status_send_sync(const u8 *msg);
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/* Send a printf-style debugging trace. */
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void status_trace(const char *fmt, ...) PRINTF_FMT(1,2);
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/* Send a failure status code with printf-style msg, and exit. */
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void status_failed(enum status_fail, const char *fmt, ...) PRINTF_FMT(2,3) NORETURN;
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/* Helper for master failures: sends STATUS_FAIL_MASTER_IO.
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* msg NULL == read failure. */
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void master_badmsg(u32 type_expected, const u8 *msg);
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#endif /* LIGHTNING_COMMON_STATUS_H */
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