public static bool AddressInRange(string address, string firstRangeAddress, uint lastOctet)
{
var validationRule = new AddressValidationRule();
var addressIsValid = validationRule.Validate(address);
var rangeStartIsValid = validationRule.Validate(firstRangeAddress);
var lastOctetValid = lastOctet > 0 && lastOctet < 255;
if (!addressIsValid || !rangeStartIsValid || !lastOctetValid)
{
return(false);
}
var addressOctets = address.Split(".".ToCharArray(), StringSplitOptions.RemoveEmptyEntries);
var startOctets = firstRangeAddress.Split(".".ToCharArray(), StringSplitOptions.RemoveEmptyEntries);
var firstOctetMatch = addressOctets[0] == startOctets[0];
var secondOctetMatch = addressOctets[1] == startOctets[1];
var thirdOctetMatch = addressOctets[2] == startOctets[2];
var finalOctet = uint.Parse(addressOctets[3]);
var finalStartRangeOcted = uint.Parse(startOctets[3]);
var lastOctedInRange = finalOctet >= finalStartRangeOcted && finalOctet <= lastOctet;
return(firstOctetMatch & secondOctetMatch && thirdOctetMatch && lastOctedInRange);
}
public static bool AddressInRange(string address, string firstRangeAddress, uint lastOctet)
{
if (address == null)
{
throw new ArgumentNullException(nameof(address));
}
if (firstRangeAddress == null)
{
throw new ArgumentNullException(nameof(firstRangeAddress));
}
var addressIsValid = AddressValidationRule.Validate(address);
var rangeStartIsValid = AddressValidationRule.Validate(firstRangeAddress);
var lastOctetValid = lastOctet > 0 && lastOctet < 255;
if (!addressIsValid || !rangeStartIsValid || !lastOctetValid)
{
return(false);
}
var addressOctets = address.Split(".".ToCharArray(), StringSplitOptions.RemoveEmptyEntries);
var startOctets = firstRangeAddress.Split(".".ToCharArray(), StringSplitOptions.RemoveEmptyEntries);
var firstOctetMatch = addressOctets[0] == startOctets[0];
var secondOctetMatch = addressOctets[1] == startOctets[1];
var thirdOctetMatch = addressOctets[2] == startOctets[2];
var finalOctet = uint.Parse(addressOctets[3], CultureInfo.CurrentCulture);
var finalStartRangeOcted = uint.Parse(startOctets[3], CultureInfo.CurrentCulture);
var lastOctedInRange = finalOctet >= finalStartRangeOcted && finalOctet <= lastOctet;
return(firstOctetMatch && secondOctetMatch && thirdOctetMatch && lastOctedInRange);
}
private void BaseIpTextBox_TextChanged(object sender, System.EventArgs e)
{
var address = baseIpTextBox.Text;
if (_addressValidationRule.Validate(address))
{
_viewModel.BaseIp = address;
baseIpTextBox.BackColor = DefaultBackColor;
}
else
{
baseIpTextBox.BackColor = Color.Red;
}
}
private void NewAddressTextBoxTextChanged(object sender, EventArgs e)
{
var input = newAddressTextBox.Text;
if (string.IsNullOrWhiteSpace(input))
{
addressAddButton.Enabled = false;
newAddressTextBox.BackColor = DefaultBackColor;
return;
}
if (_validationRule.Validate(input))
{
addressAddButton.Enabled = true;
newAddressTextBox.BackColor = Color.LawnGreen;
}
else
{
newAddressTextBox.BackColor = Color.Red;
addressAddButton.Enabled = false;
}
}