private void FetchDeviceInformation(string theIPAddress)
{
var DevInfoUrl = "http://" + theIPAddress + "/devinfo.xml";
string xmlStr = string.Empty;
do
{
try
{
using (var wc = new WebClient())
{
xmlStr = wc.DownloadString(DevInfoUrl);
}
}
catch (Exception ex)
{
Log?.Invoke(EventLogEntryCodes.FetchException, new string[] { theIPAddress, ex.Message });
FetchError?.Invoke();
Task.Delay(3000).Wait();
}
} while (xmlStr == string.Empty && (!m_TokenSource.Token.IsCancellationRequested));
if (m_TokenSource.Token.IsCancellationRequested)
{
return;
}
else
{
Log?.Invoke(EventLogEntryCodes.FetchSuccessful, new string[] { theIPAddress });
var xmlDoc = new XmlDocument();
xmlDoc.LoadXml(xmlStr);
XmlNode MACNode = xmlDoc.DocumentElement.SelectSingleNode("/lines/macaddr");
XmlNode LocNode = xmlDoc.DocumentElement.SelectSingleNode("/lines/loc");
XmlNode FwverNode = xmlDoc.DocumentElement.SelectSingleNode("/lines/fwver");
XmlNode ModelNode = xmlDoc.DocumentElement.SelectSingleNode("/lines/model");
XmlNode DevNameNode = xmlDoc.DocumentElement.SelectSingleNode("/lines/devname");
FetchCompleted?.Invoke(new DeviceInformation
{
MACAddress = MACNode.InnerText,
Name = DevNameNode.InnerText,
Location = LocNode.InnerText,
Firmware = FwverNode.InnerText,
ProductModel = ModelNode.InnerText
});
}
}
private void ReadSession()
{
while (_running)
{
try
{
var json = _webClient.DownloadString(_sessionUrl);
if (json != null && json.Length > 0)
{
lock (sessionJsonLock)
{
sessionJson = json;
}
}
}
catch (Exception e)
{
FetchError?.Invoke(this, e);
}
}
}