// "Calculate" button handler
private void calculateButton_Click(object sender, EventArgs e)
{
// clear all output fields
network.Text = "";
firstIP.Text = "";
lastIP.Text = "";
bcastIP.Text = "";
nodesNumber.Text = "";
try
{
ServiceReference.CalculatorSoapClient client = new ServiceReference.CalculatorSoapClient();
int errorFlag = 0; // error occurrence flag
string ip = ipField.Text; // read IP address value
string m = maskField.Text; // read mask value
int mask = Int32.Parse(m); // convert mask type from string to int
if (mask > 30 || mask < 0) // mask range validation
{
MessageBox.Show("Incorrect value of the mask!\nPlease, enter the mask value in the range [1; 30]", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else
{
// object with client data designed for the server-side processing
ServiceReference.ArrayOfInt bits = new ServiceReference.ArrayOfInt();
// splitting the IP address string into substrings with dot as delimiter
int index = ip.IndexOf("."), i = 0;
while (index != -1)
{
i++;
bits.Add(Int32.Parse(ip.Substring(0, index)));
index++;
ip = ip.Substring(index, ip.Length - index);
index = ip.IndexOf(".");
}
if (i == 3) // number of dots is equal to 3
{
if (ip.Length > 0)
{
bits.Add(Int32.Parse(ip.Substring(0, ip.Length)));
}
for (i = 0; i < 4; i++)
{
if (bits[i] > 255 || bits[i] < 0) // IP address bytes validation
{
MessageBox.Show("Incorrect value of the " + i + "byte of the IP address", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
errorFlag = 1;
}
}
if (errorFlag == 0) // there are no errors
{
// send data to server and save answer
List <string> result = new List <string>(client.Calculate(bits, mask));
// set answer into the output fields
network.Text = result[0];
firstIP.Text = result[1];
lastIP.Text = result[2];
bcastIP.Text = result[3];
nodesNumber.Text = result[4];
}
}
else
{
MessageBox.Show("Incorrect format of the IP address!", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
public GetArrayResponseBody(ServiceReference.ArrayOfInt GetArrayResult)
{
this.GetArrayResult = GetArrayResult;
}