private bool IPv4_calculateBits()
{
byte[] tmp;
if (IsValidInput_IpV4() && isValidInput_IpV4SubnetMask())
{
switch (IpCalculator.getFieldStatus(writeStruct(Textbox_FieldType.SUBNETMASK_LONG), writeStruct(Textbox_FieldType.SUBNETMASK_SHORT)))
{
case IpV4_FieldStatus.SHORTFILLED:
tmp = IpCalculator.calcEmptySubnetMaskFields(Subnet_textBox_ShortWritten);
int a = tmp[0];
int b = tmp[1];
int c = tmp[2];
int d = tmp[3];
Subnet_textBox1.Text = a.ToString();
Subnet_textBox2.Text = b.ToString();
Subnet_textBox3.Text = c.ToString();
Subnet_textBox4.Text = d.ToString();
break;
case IpV4_FieldStatus.LONGFILLED:
tmp = IpCalculator.calcEmptySubnetMaskFields(Subnet_textBox1, Subnet_textBox2, Subnet_textBox3, Subnet_textBox4);
int x = tmp[0];
Subnet_textBox_ShortWritten.Text = x.ToString();
break;
default:
throw new NotImplementedException();
}
return(true);
}
else
{
return(false);
}
}
private bool isValidInput_IpV4SubnetMask()
{
switch (IpCalculator.getFieldStatus(writeStruct(Textbox_FieldType.SUBNETMASK_LONG), writeStruct(Textbox_FieldType.SUBNETMASK_SHORT)))
{
case IpV4_FieldStatus.SHORTFILLED:
if (IpCalculator.isLegitIpV4SubnetMask(Subnet_textBox_ShortWritten))
{
createErrorLabel(ErrorCodeNo.NOERROR);
return(true);
}
else
{
createErrorLabel(ErrorCodeNo.WRONGSUBNETCODE);
return(false);
}
case IpV4_FieldStatus.LONGFILLED:
if (IpCalculator.isIpV4Digit(Subnet_textBox1, true) && IpCalculator.isIpV4Digit(Subnet_textBox2, true) &&
IpCalculator.isIpV4Digit(Subnet_textBox3, true) && IpCalculator.isIpV4Digit(Subnet_textBox4, true))
{
if (IpCalculator.isLegitIpV4SubnetMask(writeStruct(Textbox_FieldType.SUBNETMASK_LONG)))
{
createErrorLabel(ErrorCodeNo.NOERROR);
return(true);
}
else
{
createErrorLabel(ErrorCodeNo.WRONGSUBNETCODE);
return(false);
}
}
else
{
createErrorLabel(ErrorCodeNo.WRONGSUBNETCODE);
return(false);
}
case IpV4_FieldStatus.BOTHFILLED:
createErrorLabel(ErrorCodeNo.MULTIPLEFIELDSFILLED);
return(false);
case IpV4_FieldStatus.NOFIELDSFILLED:
createErrorLabel(ErrorCodeNo.WRONGSUBNETCODE);
return(false);
default:
throw new NotImplementedException();
}
}