DwmLocalInterfaces.hh

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//===========================================================================
// @(#) $DwmPath$
//===========================================================================
//  Copyright (c) Daniel W. McRobb 2005, 2016
//  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.
//  3. The names of the authors and copyright holders may not be used to
//     endorse or promote products derived from this software without
//     specific prior written permission.
//
//  IN NO EVENT SHALL DANIEL W. MCROBB BE LIABLE TO ANY PARTY FOR
//  DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES,
//  INCLUDING LOST PROFITS, ARISING OUT OF THE USE OF THIS SOFTWARE,
//  EVEN IF DANIEL W. MCROBB HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
//  DAMAGE.
//
//  THE SOFTWARE PROVIDED HEREIN IS ON AN "AS IS" BASIS, AND
//  DANIEL W. MCROBB HAS NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT,
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//  WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE,
//  OR THAT THE USE OF THIS SOFTWARE WILL NOT INFRINGE ANY PATENT,
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//===========================================================================
 
//---------------------------------------------------------------------------
//---------------------------------------------------------------------------
 
#ifndef _DWMLOCALINTERFACES_HH_
#define _DWMLOCALINTERFACES_HH_
 
extern "C" {
  #include <sys/types.h>
  #include <sys/socket.h>
  #include <netinet/in.h>
  #include <arpa/inet.h>
}
 
#include <set>
#include <string>
#include <map>
 
#include "DwmIpv4Address.hh"
 
namespace Dwm {
 
  //--------------------------------------------------------------------------
  //--------------------------------------------------------------------------
  class LocalInterfaceAlias
  {
  public:
    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    LocalInterfaceAlias();
 
    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    LocalInterfaceAlias(const Ipv4Address & address, const Ipv4Address & mask);
 
    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    const Ipv4Address & Addr() const;
 
    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    const Ipv4Address & Addr(const Ipv4Address & addr);
 
    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    const Ipv4Address & Mask() const;
 
    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    const Ipv4Address & Mask(const Ipv4Address & mask);
 
    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    bool operator < (const LocalInterfaceAlias & alias) const;
 
    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    bool operator == (const LocalInterfaceAlias & alias) const;
    
    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    friend std::ostream & 
    operator << (std::ostream & os, const LocalInterfaceAlias & alias);
    
  private:
    Ipv4Address  _addr;
    Ipv4Address  _mask;
  };
  
  //------------------------------------------------------------------------
  //------------------------------------------------------------------------
  class LocalInterface
  {
  public:
    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    LocalInterface();
    
    //--------------------------------------------------------------------
    //--------------------------------------------------------------------
    const std::string & Name() const;
 
    //--------------------------------------------------------------------
    //--------------------------------------------------------------------
    const std::string & Name(const std::string & name);
 
    //--------------------------------------------------------------------
    //--------------------------------------------------------------------
    const Ipv4Address & Addr() const;
 
    //--------------------------------------------------------------------
    //--------------------------------------------------------------------
    const Ipv4Address & Addr(const Ipv4Address & addr);
 
    //--------------------------------------------------------------------
    //--------------------------------------------------------------------
    const Ipv4Address & Mask() const;
 
    //--------------------------------------------------------------------
    //--------------------------------------------------------------------
    const Ipv4Address & Mask(const Ipv4Address & mask);
 
    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    int Mtu() const;
    
    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    int Mtu(int mtu);
    
    //--------------------------------------------------------------------
    //--------------------------------------------------------------------
    bool IsUp() const;
 
    bool IsRunning() const;
 
    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    bool AddAlias(const Ipv4Address & address, const Ipv4Address & netmask);
 
    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    bool RemoveAlias(const Ipv4Address & address, const Ipv4Address & netmask);
 
    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    const std::set<LocalInterfaceAlias> & Aliases() const;
    
    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    std::set<LocalInterfaceAlias> & Aliases();
 
    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    friend std::ostream & operator << (std::ostream & os, 
                                       const LocalInterface & li);
    
  private:
    std::string                    _name;
    Ipv4Address                    _addr;
    Ipv4Address                    _mask;
    int                            _mtu;
    std::set<LocalInterfaceAlias>  _aliases;
  };
 
  //------------------------------------------------------------------------
  //------------------------------------------------------------------------
  bool GetLocalInterfaces(std::map<std::string,LocalInterface> & interfaces);
    
}  // namespace Dwm
 
#endif  // _DWMLOCALINTERFACES_HH_
 
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//  mode: C++
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//-------------------------------------------------------------------------