logging.h

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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright 2017 Mike Becker, Olaf Wintermann All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *   1. Redistributions of source code must retain the above copyright
 *      notice, this list of conditions and the following disclaimer.
 *
 *   2. Redistributions in binary form must reproduce the above copyright
 *      notice, this list of conditions and the following disclaimer in the
 *      documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */
#ifndef UCX_LOGGING_H
#define UCX_LOGGING_H

#include "ucx.h"
#include "map.h"
#include "string.h"
#include <stdio.h>

#ifdef __cplusplus
extern "C" {
#endif

/* leave enough space for custom log levels */

#define UCX_LOGGER_ERROR        0x00
    
#define UCX_LOGGER_WARN         0x10

#define UCX_LOGGER_INFO         0x20

#define UCX_LOGGER_DEBUG        0x30

#define UCX_LOGGER_TRACE        0x40

#define UCX_LOGGER_LEVEL        0x01

#define UCX_LOGGER_TIMESTAMP    0x02

#define UCX_LOGGER_SOURCE       0x04

typedef struct {
    void *stream;

    write_func writer;

    char *dateformat;

    unsigned int level;

    unsigned int mask;

    UcxMap* levels;
} UcxLogger;

UcxLogger *ucx_logger_new(void *stream, unsigned int level, unsigned int mask);

void ucx_logger_free(UcxLogger* logger);

void ucx_logger_logf(UcxLogger *logger, unsigned int level, const char* file,
        const unsigned int line, const char* format, ...);

#define ucx_logger_register_level(logger, level, name) {\
        unsigned int l; \
            l = level; \
            ucx_map_int_put(logger->levels, l, (void*) "[" name "]"); \
        } while (0);

#define ucx_logger_log(logger, level, ...) \
    ucx_logger_logf(logger, level, __FILE__, __LINE__, __VA_ARGS__)

#define ucx_logger_error(logger, ...) \
    ucx_logger_log(logger, UCX_LOGGER_ERROR, __VA_ARGS__)

#define ucx_logger_info(logger, ...) \
    ucx_logger_log(logger, UCX_LOGGER_INFO, __VA_ARGS__)

#define ucx_logger_warn(logger, ...) \
    ucx_logger_log(logger, UCX_LOGGER_WARN, __VA_ARGS__)

#define ucx_logger_debug(logger, ...) \
    ucx_logger_log(logger, UCX_LOGGER_DEBUG, __VA_ARGS__)

#define ucx_logger_trace(logger, ...) \
    ucx_logger_log(logger, UCX_LOGGER_TRACE, __VA_ARGS__)

#ifdef __cplusplus
}
#endif

#endif /* UCX_LOGGING_H */