logger.h

/* -*- Mode: C; tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/*
 *     Copyright 2012-2020 Couchbase, Inc.
 *
 *   Licensed under the Apache License, Version 2.0 (the "License");
 *   you may not use this file except in compliance with the License.
 *   You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *   Unless required by applicable law or agreed to in writing, software
 *   distributed under the License is distributed on an "AS IS" BASIS,
 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *   See the License for the specific language governing permissions and
 *   limitations under the License.
 */
 
#ifndef LIBCOUCHBASE_LOGGER_H
#define LIBCOUCHBASE_LOGGER_H
 
#ifdef __cplusplus
extern "C" {
#endif
 
typedef enum {
    LCB_LOG_TRACE = 0, 
    LCB_LOG_DEBUG,     
    LCB_LOG_INFO,      
    LCB_LOG_WARN,      
    LCB_LOG_ERROR,     
    LCB_LOG_FATAL,     
    LCB_LOG__MAX       
} lcb_LOG_SEVERITY;
 
#define LCB_LOG_SPEC(fmt) "%s" fmt "%s"
 
#define LCB_LOG_UD_OTAG "<ud>"
#define LCB_LOG_UD_CTAG "</ud>"
#define LCB_LOG_UD(instance, val)                                                                                      \
    lcb_is_redacting_logs(instance) ? LCB_LOG_UD_OTAG : "", val, lcb_is_redacting_logs(instance) ? LCB_LOG_UD_CTAG : ""
 
#define LCB_LOG_MD_OTAG "<md>"
#define LCB_LOG_MD_CTAG "</md>"
#define LCB_LOG_MD(instance, val)                                                                                      \
    lcb_is_redacting_logs(instance) ? LCB_LOG_MD_OTAG : "", val, lcb_is_redacting_logs(instance) ? LCB_LOG_MD_CTAG : ""
 
#define LCB_LOG_SD_OTAG "<sd>"
#define LCB_LOG_SD_CTAG "</sd>"
#define LCB_LOG_SD(instance, val)                                                                                      \
    lcb_is_redacting_logs(instance) ? LCB_LOG_SD_OTAG : "", val, lcb_is_redacting_logs(instance) ? LCB_LOG_SD_CTAG : ""
 
typedef struct lcb_LOGGER_ lcb_LOGGER;
 
typedef void (*lcb_LOGGER_CALLBACK)(const lcb_LOGGER *procs, uint64_t iid, const char *subsys,
                                    lcb_LOG_SEVERITY severity, const char *srcfile, int srcline, const char *fmt,
                                    va_list ap);
 
LIBCOUCHBASE_API lcb_STATUS lcb_logger_create(lcb_LOGGER **logger, void *cookie);
 
LIBCOUCHBASE_API lcb_STATUS lcb_logger_destroy(lcb_LOGGER *logger);
 
LIBCOUCHBASE_API lcb_STATUS lcb_logger_callback(lcb_LOGGER *logger, lcb_LOGGER_CALLBACK callback);
 
LIBCOUCHBASE_API lcb_STATUS lcb_logger_cookie(const lcb_LOGGER *logger, void **cookie);
 
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif // LIBCOUCHBASE_LOGGER_H