filter.h

/* nprecv and libradar_stp packages
 * by Nick Luther <radar@k9nl.net>
 *
 * filter.h
 * AWIPS SBN WMO/PID filter
 */
 
/* Copyright (C) 2007 Nicholas J. Luther
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License,
 * version 2, as published by the Free Software Foundation.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 * You may contact the author by writing to Nick Luther, 1655 South
 * Westhaven Drive, Oshkosh, Wisconsin 54904, USA.
 * 
 */
 
 
#ifndef _LIBRSTP_INC_FILTER_H
#define _LIBRSTP_INC_FILTER_H

#include <string>
#include <set>

namespace libradar_stp {

class Filter {
public:
 
  Filter();
  Filter( const Filter& f );
  ~Filter();
  
  bool setFile( const std::string& file );
  void addRule( const std::string& id );
  
  bool check( const std::string& data, unsigned int wmo_index );
  
  std::string getLastWMO() const;
  std::string getLastAWIPS() const;
  
  Filter& operator= ( const Filter& f );
  
private:

  std::string  m_file;
  int          m_modtime;
  int          m_stat_counter;
  
  std::string  m_last_wmo;
  std::string  m_last_awips;
  
  std::set< std::string > m_idset;

}; // class Filter

}; // namespace nprecv

#endif

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