logger.c

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/* -*- C -*- */
/*
 * Copyright (c) 2017-2020 Seagate Technology LLC and/or its Affiliates
 *
 * 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.
 *
 * For any questions about this software or licensing,
 * please email opensource@seagate.com or cortx-questions@seagate.com.
 *
 */


#include "motr/m0crate/logger.h"
#include <string.h>

enum cr_log_level log_level  = CLL_INFO;
enum cr_log_level prev_level = CLL_DEBUG;

struct {
        const char *name;
} level_str[] = {
        [CLL_ERROR]     = {"error"},
        [CLL_WARN]      = {"warning"},
        [CLL_INFO]      = {"info"},
        [CLL_TRACE]     = {"trace"},
        [CLL_DEBUG]     = {"dbg"},
};

void cr_log(enum cr_log_level lev, const char *fmt, ...)
{
        va_list va;
        va_start(va, fmt);
        cr_vlog(lev, fmt, va);
        va_end(va);

}

void cr_vlog(enum cr_log_level lev, const char *fmt, va_list args)
{
        if (lev == CLL_SAME) {
                if (prev_level <= log_level) {
                        (void) vfprintf(stderr, fmt, args);
                }
        } else {
                if (lev <= log_level) {
                        (void) fprintf(stderr, "%s: ", level_str[lev].name);
                        (void) vfprintf(stderr, fmt, args);
                }
                prev_level = lev;
        }
}

void cr_set_debug_level(enum cr_log_level level)
{
        log_level = level;
        prev_level = level;
}

void cr_log_ex(enum cr_log_level lev,
               const char *pre,
               const char *post,
               const char *fmt, ...)
{
        va_list va;
        cr_log(lev, "%s", pre);
        va_start(va, fmt);
        cr_vlog(CLL_SAME, fmt, va);
        va_end(va);
        cr_log(CLL_SAME, "%s", post);
}

/*
 *  Local variables:
 *  c-indentation-style: "K&R"
 *  c-basic-offset: 8
 *  tab-width: 8
 *  fill-column: 80
 *  scroll-step: 1
 *  End:
 */
/*
 * vim: tabstop=8 shiftwidth=8 noexpandtab textwidth=80 nowrap
 */