/// <summary>
/// Clear the reported NIC attr info
/// </summary>
virtual protected void removeNicAttr()
{
try
{
foreach (string node in netAttrItem.children)
{
try
{
wmisession.GetXenStoreItem(node).Remove();
}
catch { }; // Ignore failure, if nodes don't exist
}
}
catch { }; // If there are no nodes, then we can also ignore failure
}
/// <summary>
/// Constructor of the NetInfo class
/// </summary>
/// <param name="exceptionhandler">The exception handler, trigger when exception occurs</param>
/// <param name="devicePath"> xenstore device path of NIC device</param>
/// <param name="attrPath"> xenstore path NIC device data info report back to</param>
/// <param name="session"> wmi session, mainly used to access xenstore</param>
public NetInfo(IExceptionHandler exceptionhandler, string devicePath, string attrPath, AWmiSession session)
{
wmisession = session;
this.exceptionhandler = exceptionhandler;
updating = new Object();
this.devicePath = devicePath;
this.attrPath = attrPath;
netDeviceItem = wmisession.GetXenStoreItem(devicePath);
netAttrItem = wmisession.GetXenStoreItem(attrPath);
netDeviceItem.Watch(onXenstoreNetChanged);
addrChangeHandler = new NetworkAddressChangedEventHandler(onVmNicAddrChange);
NetworkChange.NetworkAddressChanged += addrChangeHandler;
netStaticIpSetting = wmisession.GetXenStoreItem(STATIC_IP_FEATURE_MONITOR_KEY);
netStaticIpSetting.Watch(onXenstoreStaticIpSettingChanged);
// trigger the first update
needsRefresh = true;
}
