/// <summary>
/// sonvert subnet mask to cidr
/// </summary>
/// <returns>CIDR value of subnet mask </returns>
public string GetCIDRNotation()
{
if (subnet == null)
{
throw new NullReferenceException("No subnet mask provided for this IpAnalyzer Object");
}
return("/" + SubnetUtils.SubnetMaskToCIDR(subnet));
}
/// <summary>
/// calculate number of hosts for each subnet in this subnet mask
/// </summary>
/// <returns>max number of hosts</returns>
public int GetNumberOfHosts()
{
if (subnet == null)
{
throw new NullReferenceException("No subnet mask provided for this IpAnalyzer Object");
}
return((int)Math.Pow(2, 32 - SubnetUtils.SubnetMaskToCIDR(subnet)));
}
/// <summary>
/// create new ip and subnet mask
/// </summary>
/// <param name="ip">ip</param>
/// <param name="subnetMask">subnet mask</param>
public IpAnalyzer(string ip, string subnetMask)
: this(ip)
{
if (!SubnetUtils.IsValidSubnetMask(subnetMask))
{
throw new ArgumentException("Invalid subnet mask", "subnetMask");
}
subnet = subnetMask;
}
/// <summary>
/// create new ip and subnet mask
/// </summary>
/// <param name="ip">ip </param>
/// <param name="cidr">subnet mask in cidr</param>
public IpAnalyzer(string ip, int cidr)
: this(ip)
{
if (!SubnetUtils.IsValidCIDR(cidr))
{
throw new ArgumentException("Invalid CIDR", "cidr");
}
subnet = SubnetUtils.CIDRToSubnetMask(cidr);
}
/// <summary>
/// calculate number of subnets for this subnet mask
/// </summary>
/// <returns>number of subnets</returns>
public int GetNumberOfSubnets()
{
if (GetClass() == IpClass.A)
{
return((int)Math.Pow(2, SubnetUtils.SubnetMaskToCIDR(subnet) - 8));
}
else if (GetClass() == IpClass.B)
{
return((int)Math.Pow(2, SubnetUtils.SubnetMaskToCIDR(subnet) - 16));
}
else
{
return((int)Math.Pow(2, SubnetUtils.SubnetMaskToCIDR(subnet) - 24));
}
}
/// <summary>
/// get binary notation for ip
/// </summary>
/// <returns>ip in binary notation</returns>
public string GetBinaryNotaion()
{
return(SubnetUtils.IpToBinary(ToString()));
}