private void buttonCheckHost_Click(object sender, EventArgs e)
{
var broadcastHost = textBroadcastAddress.Text.Trim();
try {
Cursor.Current = Cursors.WaitCursor;
IPAddress ip;
if (IPAddress.TryParse(broadcastHost, out ip))
{
Medo.MessageBox.ShowInformation(this, string.Format("Broadcast IP {0} is valid.", ip.ToString()));
}
else
{
List <IPAddress> resolved = new List <IPAddress>();
foreach (var address in Dns.GetHostAddresses(broadcastHost))
{
if (address.AddressFamily == AddressFamily.InterNetwork)
{
resolved.Add(address);
}
}
if (resolved.Count > 0)
{
Medo.Text.StringAdder sb = new Medo.Text.StringAdder(", ");
foreach (var address in resolved)
{
sb.Append(address.ToString());
}
Medo.MessageBox.ShowInformation(this, string.Format("Broadcast host \"{0}\" has been resolved to {1}.", broadcastHost, sb.ToString()));
}
else
{
Medo.MessageBox.ShowWarning(this, string.Format("Cannot find valid IP address for broadcast host \"{0}\".", broadcastHost));
}
}
} catch (SocketException) { //No such host is known
Medo.MessageBox.ShowWarning(this, string.Format("Broadcast host \"{0}\" cannot be resolved.", broadcastHost));
} finally {
Cursor.Current = Cursors.Default;
}
}
private static string GetProperMAC(string text)
{
string addressText = System.Text.RegularExpressions.Regex.Replace(text.ToUpper(), "[^0-9A-F]", ":") + ":";
Medo.Text.StringAdder newText = new Medo.Text.StringAdder(":");
string lastPart = string.Empty;
for (int i = 0; i < addressText.Length; i++)
{
switch (addressText[i])
{
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
case 'A':
case 'B':
case 'C':
case 'D':
case 'E':
case 'F':
lastPart += addressText.Substring(i, 1);
break;
case ':':
while (lastPart.Length > 0)
{
string tmpPart = string.Empty;
if (lastPart.Length > 2)
{
tmpPart = lastPart.Substring(0, 2);
lastPart = lastPart.Substring(2, lastPart.Length - 2);
}
else
{
tmpPart = lastPart;
if ((tmpPart.Length < 2) && (i < (addressText.Length - 1)))
{
tmpPart = tmpPart.PadLeft(2, '0');
}
lastPart = string.Empty;
}
newText.Append(tmpPart);
}
break;
}
}//for
if (newText.ToString().Length > 2 * 6 + 5)
{
return(newText.ToString().Substring(0, 2 * 6 + 5));
}
else
{
return(newText.ToString());
}
}