/*
 * Copyright (c) 2013-2014,2016 - Adjacent Link LLC, Bridgewater, New
 * Jersey
 * Copyright (c) 2011 - DRS CenGen, LLC, Columbia, Maryland
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * * Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * * 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.
 * * Neither the name of DRS CenGen, LLC 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.
 */

#ifndef EMANEAPPLICATIONLOGGER_HEADER_
#define EMANEAPPLICATIONLOGGER_HEADER_

#include "emane/types.h"
#include "emane/logserviceprovider.h"

namespace EMANE
{
  namespace Application
  {
    /**
     * @class Logger
     *
     * @brief An instance of the EMANE logger. Provides methods for logger
     *        configuration and logging.
     */
    class Logger
    {
    public:
      Logger();
      ~Logger();

      /**
       * Set Log Level
       *
       * @param level highest logging level
       */
      void setLogLevel(const LogLevel level);


      /**
       * Redirect logging to file
       *
       * @param filename the name of the destination file
       */
      void redirectLogsToFile(const char* filename);


      /**
       * Output a log message
       *
       * @param level Log level of the message
       * @param fmt format string (see printf)
       * @param ... Variable data (see printf)
       */
      void log(LogLevel level, const char *fmt, ...)
        __attribute__ ((format (printf, 3, 4)));

      /**
       * open the logger backend
       *
       */
      void open();
    };
  }
}

#endif // EMANEAPPLICATIONLOGGER_HEADER_
