// Copyright (C) 2003 Marc Boris Dürner <marcd __at arklinux __dot org>
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// 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.
//
// As a special exception to the GNU General Public License, permission is
// granted for additional uses of the text contained in its release
// of Common C++.
//
// The exception is that, if you link the Common C++ library with other files
// to produce an executable, this does not by itself cause the
// resulting executable to be covered by the GNU General Public License.
// Your use of that executable is in no way restricted on account of
// linking the Common C++ library code into it.
//
// This exception does not however invalidate any other reasons why
// the executable file might be covered by the GNU General Public License.
//
// This exception applies only to the code released under the
// name Common C++.  If you copy code from other releases into a copy of
// Common C++, as the General Public License permits, the exception does
// not apply to the code that you add in this way.  To avoid misleading
// anyone as to the status of such modified files, you must delete
// this exception notice from them.
//
// If you write modifications of your own for Common C++, it is your choice
// whether to permit this exception to apply to your modifications.
// If you do not wish that, delete this exception notice.

#include <NetworkInterface.h>
#include <iostream>
#include <unistd.h>
#include <net/if.h>
#include <sys/ioctl.h>

#ifdef	CCXX_NAMESPACES
using namespace std;
using namespace ost;
#endif


NetworkInterface::NetworkInterface(const ost::String& node, int domain, int type) : Socket(domain, type), _node(node) {
  
}


NetworkInterface::~NetworkInterface() {
}


const uint32_t NetworkInterface::getMtu() const {
#ifndef WIN32
   struct ifreq ifr;
   strncpy(ifr.ifr_name, NetworkInterface::getNode().c_str(), IFNAMSIZ);

   if (-1 == ioctl(Socket::so, SIOCGIFMTU, &ifr)) {
      cout << "SIOCGIFMAP failed"<< endl;
      return 0; //THROW
   }
   return ifr.ifr_mtu;   
#else
   //
   // fill in winodws ioctl()
   //
   return 0;
#endif

}


const vector<uint8_t> NetworkInterface::getHwAddress() const {
   vector<uint8_t> address;
   
#ifndef WIN32
   struct ifreq ifr;
   strncpy(ifr.ifr_name, NetworkInterface::getNode().c_str(), IFNAMSIZ);
   if (-1 == ioctl(Socket::so, SIOCGIFHWADDR, &ifr)) {
      cout << "SIOCGIFHWADDR failed"<< endl;
      return address; //THROW
   }
   for( int n = 0; n < IFHWADDRLEN; n++)
      address.push_back(ifr.ifr_hwaddr.sa_data[n]);
#else
   //
   // fill in winodws ioctl()
   //
#endif
     
   return address;
}


const uint32_t NetworkInterface::getBaseAddress() const {
#ifndef WIN32
   struct ifreq ifr;
   strncpy(ifr.ifr_name, NetworkInterface::getNode().c_str(), IFNAMSIZ);
   if (-1 == ioctl(Socket::so, SIOCGIFMAP, &ifr)) {
      cout << "SIOCGIFMAP failed"<< endl;
      return 0; //THROW
   }
   return ifr.ifr_map.base_addr;
#else
   //
   // fill in winodws ioctl()
   //
   return 0;
#endif   
}


const uint32_t NetworkInterface::getIrq() const {
#ifndef WIN32
   struct ifreq ifr;
   strncpy(ifr.ifr_name, NetworkInterface::getNode().c_str(), IFNAMSIZ);

   if (-1 == ioctl(Socket::so, SIOCGIFMAP, &ifr)) {
      cout << "SIOCGIFMAP failed"<< endl;
      return 0; //THROW
   }
   return ifr.ifr_map.irq;
#else
   //
   // fill in winodws ioctl()
   //
   return 0;
#endif
}


const uint32_t NetworkInterface::getPort() const {
#ifndef WIN32   
   struct ifreq ifr;
   strncpy(ifr.ifr_name, NetworkInterface::getNode().c_str(), IFNAMSIZ);

   if (-1 == ioctl(Socket::so, SIOCGIFMAP, &ifr)) {
      cout << "SIOCGIFMAP failed"<< endl;
      return 0; //THROW
   }
   return ifr.ifr_map.port;
#else
   //
   // fill in winodws ioctl()
   //
   return 0;
#endif
}


const uint32_t NetworkInterface::getDma() const {
#ifndef WIN32    
   struct ifreq ifr;
   strncpy(ifr.ifr_name, NetworkInterface::getNode().c_str(), IFNAMSIZ);

   if (-1 == ioctl(Socket::so, SIOCGIFMAP, &ifr)) {
      cout << "SIOCGIFMAP failed"<< endl;
      return 0; //THROW
   } 
   return ifr.ifr_map.dma;
#else
   //
   // fill in winodws ioctl()
   //
   return 0;
#endif
}



   /*
   for(int n = 0; Nodes[n]; n++){
      const char* Node = Nodes[n];
      int fd;
      struct ifreq ifr;
      if( (fd = socket(AF_INET, SOCK_DGRAM, 0)) >= 0 ) {
         strncpy(ifr.ifr_name, Node, IFNAMSIZ);
         if( ioctl(fd, SIOCGIFFLAGS, &ifr) >= 0 ) {
            ifr.ifr_flags |= IFF_UP;
            if( ioctl(fd, SIOCSIFFLAGS, &ifr) >= 0 ) {
               if( ioctl(fd, SIOCGIFMAP, &ifr) >= 0 ) {
                  for(int n = 0; n < IoBaseAddresses.size(); n++) {
                     if(IoBaseAddresses.at(n) == ifr.ifr_map.base_addr) {
                        _SystemNode = Node;
                        if( ioctl(fd, SIOCGIFHWADDR, &ifr) >= 0 ) {
                           for( int n = 0; n < IFHWADDRLEN; n++)
                              _MacAddress.push_back(ifr.ifr_hwaddr.sa_data[n]);
                        }
                        cout << _SystemNode << ":";
                        for( int n = 0; n < 6; n++)
                           cout << int(_MacAddress[n]);
                        cout << endl;
                        break;
                     }
                  }
               }
               //else cerr << "Error: could not get iface properties (" << Node << ") Error:" << errno << endl;
            }
            //else cerr << "Error: could not bring up device: (" << Node << ") Error:" << errno << endl;
         }
         //else cerr << "Error: could not get iface properties (" << Node << ") Error:" << errno << endl;
      }
      //else cerr << "Error: No file descriptor. (" << Node << ") Error:" << errno << endl;
   */