package jos.system.net.jeps;

/**************
 * IP Address *
 **************/

class IPAddr
{
  // The 4 octets of the IPv4 adress.
  protected byte[] oct;      

  IPAddr()
  { oct=null;
  }

  IPAddr (byte a,byte b,byte c,byte d)
  {
    oct=new byte[4];
    oct[0]=a;
    oct[1]=b;
    oct[2]=c;
    oct[3]=d;
  }
  
  public byte[] getData()
  {
    return oct;
  }
  
  IPAddr mask(IPAddr mask)
  {
    return new IPAddr((byte)(oct[0] & mask.oct[0]),
		      (byte)(oct[1] & mask.oct[1]),
		      (byte)(oct[2] & mask.oct[2]),
		      (byte)(oct[3] & mask.oct[3]));
  }
  
  public String toString()
  {
    return oct[0]+"."+oct[1]+"."+oct[2]+"."+oct[3];
  }

  public boolean equals(IPAddr ip)
  {
    if ((ip.oct[1]==oct[1]) && (ip.oct[2]==oct[2]) 
         && (ip.oct[3]==oct[3]) && (ip.oct[0]==oct[0])) 
        {return true;}
    else {return false;}
  }
};