/// <summary>
/// Device factory
/// </summary>
/// <param name="multicastMessage">Device multicast discovery message</param>
/// <returns></returns>
public static Device Create(string multicastMessage)
{
Device discoveredDevice = null;
// support limited special characters for computer name
string exp1 = "((?:[a-zA-Z0-9]|[_.\\-])+)";
string exp2 = ".*?"; // Non-greedy match on filler
string exp3 = "((?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?))(?![\\d])"; // IPv4 IP Address 1
string exp4 = ".*?"; // Non-greedy match on filler
string exp5 = "((?:[0-9A-F][0-9A-F]:){5}(?:[0-9A-F][0-9A-F]))(?![:0-9A-F])"; // Mac Address 1
Regex matchExp = new Regex(exp1 + exp2 + exp3 + exp4 + exp5, RegexOptions.IgnoreCase | RegexOptions.Singleline);
Match fields = matchExp.Match(multicastMessage);
if (fields.Success)
{
discoveredDevice = new Device();
discoveredDevice.name = fields.Groups[1].ToString();
discoveredDevice.networkAddress = fields.Groups[2].ToString();
discoveredDevice.macAddress = fields.Groups[3].ToString();
discoveredDevice.lastPing = DateTime.Now;
}
return discoveredDevice;
}
public EnumerationEventArgs(Device device)
{
this.device = device;
}