except_listen.h

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/***************************************************************************
 *   Copyright (C) 2001 by Rick L. Vinyard, Jr.                            *
 *   rvinyard@cs.nmsu.edu                                                  *
 *                                                                         *
 *   This file is part of the conexus library.                             *
 *                                                                         *
 *   The conexus library is free software; you can redistribute it and/or  *
 *   modify it under the terms of the GNU General Public License           *
 *   version 3 as published by the Free Software Foundation.               *
 *                                                                         *
 *   The conexus library 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 software. If not see <http://www.gnu.org/licenses/>.  *
 ***************************************************************************/
#ifndef CONEXUSEXCEPT_LISTEN_H
#define CONEXUSEXCEPT_LISTEN_H

#include <conexus/except.h>

namespace Conexus {

  class listen_exception: public conexus_exception {
    public:
      listen_exception( int e = 0 ) : conexus_exception( "Unknown exception, socket not listening.", e, "listen" ) { }
      listen_exception( const std::string s, int e = 0 ) : conexus_exception( s, e, "listen" ) { }
    }
  ;

  namespace exception {


    namespace listen {

      class address_in_use: public listen_exception {
        public:
          address_in_use() : listen_exception( "Another socket is already listening on the same port.", EADDRINUSE ) { }
        }
      ;

      class bad_fd: public listen_exception {
        public:
          bad_fd() : listen_exception( "The file descriptor is not a valid index in the descriptor table.", EBADF ) { }
        }
      ;

      class not_socket: public listen_exception {
        public:
          not_socket() : listen_exception( "The file descriptor is not associated with a socket.", ENOTSOCK ) { }
        }
      ;

      class operation_not_supported: public listen_exception {
        public:
          operation_not_supported() : listen_exception( "The socket is not of a type that supports the listen operation.", EOPNOTSUPP ) { }
        }
      ;

      class not_bound: public listen_exception {
        public:
          not_bound() : listen_exception( "Trying to listen on a socket that can't be bound.", -1 ) { }
        }
      ;

      }
    }
  }

#endif