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The API formalizes how daemons should report their statuses back to the main lightningd. It's a simple write API, which includes tracing support (currently it always sends traces, later it could send iff there's a failure, for example). Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
30 lines
902 B
C
30 lines
902 B
C
#ifndef LIGHTNING_STATUS_H
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#define LIGHTNING_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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/* Simple status reporting API. */
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void status_setup(int fd);
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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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/* Send a message (frees the message). */
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void status_send(const u8 *msg);
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/* Send a file descriptor (closes fd). */
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void status_send_fd(int fd);
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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(u16 code, const char *fmt, ...) PRINTF_FMT(2,3) NORETURN;
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#endif /* LIGHTNING_STATUS_H */
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