/// <summary>
/// Compare value against IPAddress, byte array, UInt32, IpAddress of OctetString class value.
/// </summary>
/// <param name="obj">Type: <see cref="System.Net.IPAddress"/> or byte <see cref="Array"/> or <see cref="UInt32"/> or <see cref="IpAddress"/> or <see cref="OctetString"/></param>
/// <returns>0 if class values are the same, -1 if current class value is less then or 1 if greater then the class value
/// we are comparing against.</returns>
public int CompareTo(object obj)
{
byte[] b = null;
if (obj == null)
{
return(-1);
}
if (obj is IPAddress)
{
IPAddress ipa = (IPAddress)obj;
b = ipa.GetAddressBytes();
}
else if (obj is byte[])
{
b = (byte[])obj;
}
else if (obj is UInt32)
{
IpAddress ipa = new IpAddress((UInt32)obj);
b = ipa.ToArray();
}
else if (obj is IpAddress)
{
b = ((IpAddress)obj).ToArray();
}
else if (obj is OctetString)
{
b = ((OctetString)obj).ToArray();
}
if (_data == null)
{
return(-1);
}
if (b.Length != _data.Length)
{
if (_data.Length < b.Length)
{
return(-1);
}
else
{
return(1);
}
}
else
{
for (int i = 0; i < _data.Length; i++)
{
if (_data[i] < b[i])
{
return(-1);
}
else if (_data[i] > b[i])
{
return(1);
}
}
return(0);
}
}
/// <summary>
/// Return subnet address of the IP address in this object and supplied subnet mask
/// </summary>
/// <param name="mask">Subnet mask</param>
/// <returns>New IpAddress object containing subnet address</returns>
public IpAddress GetSubnetAddress(IpAddress mask)
{
byte[] ip = _data;
byte[] m = mask.ToArray();
byte[] res = new byte[4];
for (int i = 0; i < 4; i++)
{
res[i] = (byte)(ip[i] & m[i]);
}
return(new IpAddress(res));
}
/// <summary>
/// Return subnet address of the IP address in this object and supplied subnet mask
/// </summary>
/// <param name="mask">Subnet mask</param>
/// <returns>New IpAddress object containing subnet address</returns>
public IpAddress GetSubnetAddress(IpAddress mask)
{
var ip = _data;
var m = mask.ToArray();
var res = new byte[4];
for (var i = 0; i < 4; i++)
{
res[i] = (byte)(ip[i] & m[i]);
}
return(new IpAddress(res));
}
/// <summary>
/// Return subnet address of the IP address in this object and supplied subnet mask
/// </summary>
/// <param name="mask">Subnet mask</param>
/// <returns>New IpAddress object containing subnet address</returns>
public IpAddress GetSubnetAddress(IpAddress mask)
{
byte[] ip = _data;
byte[] m = mask.ToArray();
byte[] res = new byte[4];
for (int i = 0; i < 4; i++)
{
res[i] = (byte)(ip[i] & m[i]);
}
return new IpAddress(res);
}
/// <summary>
/// Compare value against IPAddress, byte array, UInt32, IpAddress of OctetString class value.
/// </summary>
/// <param name="obj">Type: <see cref="System.Net.IPAddress"/> or byte <see cref="Array"/> or <see cref="UInt32"/> or <see cref="IpAddress"/> or <see cref="OctetString"/></param>
/// <returns>0 if class values are the same, -1 if current class value is less then or 1 if greater then the class value
/// we are comparing against.</returns>
public int CompareTo(object obj)
{
byte[] b = null;
if (obj == null)
return -1;
if (obj is IPAddress)
{
IPAddress ipa = (IPAddress)obj;
b = ipa.GetAddressBytes();
}
else if (obj is byte[])
{
b = (byte[])obj;
}
else if (obj is UInt32)
{
IpAddress ipa = new IpAddress((UInt32)obj);
b = ipa.ToArray();
}
else if (obj is IpAddress)
{
b = ((IpAddress)obj).ToArray();
}
else if (obj is OctetString)
{
b = ((OctetString)obj).ToArray();
}
if (_data == null)
return -1;
if (b.Length != _data.Length)
{
if (_data.Length < b.Length)
return -1;
else
return 1;
}
else
{
for (int i = 0; i < _data.Length; i++)
{
if (_data[i] < b[i])
{
return -1;
}
else if (_data[i] > b[i])
{
return 1;
}
}
return 0;
}
}
