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/* log limiter, for libreswan's pluto
*
* Copyright (C) 2022 Andrew Cagney
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. See <https://www.gnu.org/licenses/gpl2.txt>.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*/
#ifndef LOG_LIMITER_H
#define LOG_LIMITER_H
#include "lswcdefs.h"
#include "lset.h"
struct msg_digest;
struct logger;
/*
* rate limited logging
*/
enum log_limiter {
MD_LOG_LIMITER,
UNSECURED_LOG_LIMITER,
CERTIFICATE_LOG_LIMITER,
MSG_ERRQUEUE_LOG_LIMITER,
PAYLOAD_ERRORS_LOG_LIMITER,
#define LOG_LIMITER_ROOF (PAYLOAD_ERRORS_LOG_LIMITER+1)
};
/*
* Returns non-LEMPTY RC_FLAGS (either RC_LOG, or DEBUG_STREAM) when
* the message should be logged. For instance:
*
* lset_t rc_flags = log_limiter_rc_flags(logger, MD_LOG_LIMITER);
* if (rc_flags != LEMPTY) {
* llog(rc_flags, logger, "a log-limited message");
* }
*
*/
lset_t log_limiter_rc_flags(struct logger *logger, enum log_limiter limiter);
void limited_llog(struct logger *logger, enum log_limiter limiter,
const char *format, ...) PRINTF_LIKE(3);
void init_log_limiter(struct logger *logger);
#endif
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