#ifndef COMMON_LOGGING_H
#define COMMON_LOGGING_H

/*
 * Copyright (c) 2002, The EROS Group, LLC and Johns Hopkins
 * University. All rights reserved.
 * 
 * This software was developed to support the EROS secure operating
 * system project (http://www.eros-os.org). The latest version of
 * the OpenCM software can be found at http://www.opencm.org.
 * 
 * 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.
 * 
 * 3. Neither the name of the The EROS Group, LLC nor the name of
 *    Johns Hopkins University, nor the names of its contributors
 *    may be used to endorse or promote products derived from this
 *    software without specific prior written permission.
 * 
 * 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 OWNER 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.
 */

/* Trace types: */
enum {
  LTY_trace,
  LTY_error
};

#define LOGTYPE(ty, T, S, n) T##_##S,

#define TRACE_NONE -1

/* Initial arguments for log_trace: */
enum {
#include "LogTypes.h"
  TRACE_NUM_TRACE,
};
#undef LOGTYPE

void syslog_error(const char *msg, ...);
void log_trace(int key, const char *msg, ...);
void log_vtrace(int key, const char *msg, va_list args);
void log_access(const char *fmt, ...);

void log_set_verbosity(int verbosity);
void log_set_debugging(const char *arg);
void log_help_debugging(void);

int log_shouldlog(int key);

void unimplemented(const char *s);

void init_log_directory(const char *logDir);

#endif /* COMMON_LOGGING_H */
