public bool update(Win32Impl.Volumes volumes)
{
int changecount = WmiBase.Singleton.GetChangeCount();
Dictionary <string, StoredVolume> newVolumes = new Dictionary <string, StoredVolume>();
foreach (Win32Impl.Volume volume in volumes)
{
if (storedVolumes.ContainsKey(volume.Name))
{
newVolumes[volume.Name] = storedVolumes[volume.Name].Change(volume);
storedVolumes.Remove(volume.Name);
}
else
{
newVolumes[volume.Name] = new StoredVolume(volume, wmisession, nextid);
nextid++;
}
}
foreach (StoredVolume svol in storedVolumes.Values)
{
svol.Remove();
}
storedVolumes = newVolumes;
int newchangecount = WmiBase.Singleton.GetChangeCount();
if (newchangecount != changecount)
{
// This indicates that we may well have changed siomething in xenstore
return(true);
}
// This indicates nothing in xenstore has changed
return(false);
}
public bool Refresh(bool force)
{
Win32Impl.Volumes newvols = new Win32Impl.Volumes();
bool needkick = storedVolumes.update(newvols);
refreshCount = 0;
return(needkick);
}
List <string> ListXenVolumes()
{
List <string> list = new List <string>();
Win32Impl.Volumes volumes = new Win32Impl.Volumes();
foreach (Win32Impl.Volume volume in volumes)
{
list.Add(volume.Name);
}
return(list);
}