private static void HandleLocation(DeviceInformation device)
{
using (WebClient wc = new WebClient())
{
try
{
string xmlData = wc.DownloadString(device.Location);
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.LoadXml(xmlData);
if (xmlDoc.DocumentElement != null)
{
XmlNamespaceManager nsmgr = new XmlNamespaceManager(xmlDoc.NameTable);
nsmgr.AddNamespace("dev", xmlDoc.DocumentElement.NamespaceURI);
var name = xmlDoc.SelectSingleNode("/dev:root/dev:device/dev:friendlyName", nsmgr);
var presentationUrl = xmlDoc.SelectSingleNode("/dev:root/dev:device/dev:presentationURL", nsmgr);
var modelName = xmlDoc.SelectSingleNode("/dev:root/dev:device/dev:modelName", nsmgr);
var modelDesc = xmlDoc.SelectSingleNode("/dev:root/dev:device/dev:modelDescription", nsmgr);
device.FriendlyName = name?.InnerText;
device.PresentationUrl = presentationUrl?.InnerText;
device.ModelName = modelName?.InnerText;
device.ModelDescription = modelDesc?.InnerText;
}
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
}
}
public DeviceInformation Collect(Message message)
{
var device = new DeviceInformation();
if (message.Headers.ContainsKey("USN"))
{
device.UniqueId = message.Headers["USN"];
}
if (message.Headers.ContainsKey("LOCATION"))
{
device.Location = message.Headers["LOCATION"];
Regex regex = new Regex(@"((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]?)");
if (regex.IsMatch(device.Location))
{
var m = regex.Match(device.Location);
device.HostAddress = m.Groups[0].Value;
}
HandleLocation(device);
}
if (message.Headers.ContainsKey("SERVER"))
{
device.PlatformName = message.Headers["SERVER"];
}
return device;
}
private static void LogDevice(DeviceInformation d)
{
Log.InfoFormat("Discovered a new device:");
Log.InfoFormat("FriendlyName : {0}", d.FriendlyName);
Log.InfoFormat("ModelName : {0}", d.ModelName);
Log.InfoFormat("ModelDesc : {0}", d.ModelDescription);
Log.InfoFormat("HostAddress : {0}", d.HostAddress);
Log.InfoFormat("Location : {0}", d.Location);
Log.InfoFormat("UniqueId : {0}", d.UniqueId);
Log.InfoFormat("Platform : {0}", d.PlatformName);
}
public static void AddOrUpdate(DeviceInformation deviceInformation)
{
deviceInformation.LastSeen = DateTime.Now;
if (Devices.ContainsKey(deviceInformation.UniqueId))
{
Devices[deviceInformation.UniqueId] = deviceInformation;
return;
}
Devices.Add(deviceInformation.UniqueId, deviceInformation);
LogDevice(deviceInformation);
}
public ResponseFactory(DeviceInformation deviceInformation, IMessageParser messageParser)
{
_deviceInformation = deviceInformation;
_messageParser = messageParser;
}