private async void scanButton_Click(object sender, EventArgs e)
{
buildScanList();
if (scanner.Length > 0 && saveFileDialog1.ShowDialog() == DialogResult.OK)
{
progressBar1.Maximum = scanner.Length + 1;
IPRangeWriter writer = new IPRangeWriter(scanner);
writer.createTempFile(saveFileDialog1.FileName);
Task scan = scanner.buildIPTableAsync(updateProgressBar, updateIPLabel);
await scan;
writer.writeIPTable(saveFileDialog1.FileName);
writer.writeHTMLTable(saveFileDialog1.FileName);
updateProgressBar(0);
currentIPLabel.Text = "Current IP: N/A";
currentIPLabel.Refresh();
MessageBox.Show("Scan complete!\nNumber of " + numberOfIPs.Text);
}
else if (scanner.Length <= 0)
{
MessageBox.Show("Invalid Range");
}
}
// This method tries to access and read index.html at a given
// IP Address's root directory
private void readHTML(IPAddress address)
{
Uri currURI = new Uri("http://" + address.ToString());
WebRequest request = WebRequest.Create(currURI);
request.Timeout = timeout;
string currString;
try
{
// Get the response.
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
// Display the status.
Console.WriteLine(response.StatusDescription);
// Get the stream containing content returned by the server.
Stream dataStream = response.GetResponseStream();
// Open the stream using a StreamReader for easy access.
StreamReader reader = new StreamReader(dataStream);
// Read the content.
currString = reader.ReadToEnd();
// Cleanup the streams and the response.
reader.Close();
dataStream.Close();
response.Close();
ipTable.Enqueue(string.Copy(address.ToString()));
htmlTable.Enqueue(string.Copy(currString));
// If tempfile isn't null, then append the current IP to it
if (tempfile != null)
{
IPRangeWriter.appendTempIPTable(address, tempfile);
}
}
catch (WebException)
{
}
}
