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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright 2013 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 LOG_H
#define	LOG_H

#include "../public/nsapi.h"
#include <ucx/string.h>
#include <ucx/utils.h>

#include <inttypes.h>

#ifdef	__cplusplus
extern "C" {
#endif

typedef struct {
    const char   *file;
    const char   *level;
    int          log_stdout;
    int          log_stderr;
} LogConfig;

typedef struct {
    FILE     *file;
    uint32_t ref;
} LogFile;

typedef struct {
    sstr_t   file;
    sstr_t   format; // unused
    LogFile  *log;
} AccessLog;

typedef void (*log_writefunc)(void *cookie, char *msg, size_t length);
typedef struct {
    log_writefunc write;
    void *cookie;
} LogDup;
// server logging
int init_log_file(LogConfig *cfg);

void log_uninitialized_writeln(char *str, size_t len);

void log_file_writeln(char *str, size_t len);

sstr_t log_get_prefix(int level);

void log_add_logdup(LogDup *dup);
void log_remove_logdup(LogDup *dup);

// access logging
LogFile* get_access_log_file(scstr_t file);

#ifdef	__cplusplus
}
#endif

#endif	/* LOG_H */