public void Compare(UpnpDevice to, UpnpDevice from)
{
if(from == null)
return;
var fromChildren = from.EnumerateDevices().ToList();
var toChildren = to.EnumerateDevices().ToList();
foreach (var toChild in toChildren)
{
var fromChild = FindMatchFor(toChild, fromChildren);
if (fromChild == null)
{
//fromChild doesnt exist so was removed
DeviceRemoved(toChild);
continue;
}
// remove the child so we can see if there are any new ones at the end.
fromChildren.Remove(fromChild);
CompareDevices(toChild, fromChild);
}
//these devices were not found in the 'to' device so they are new
if (fromChildren.Count > 0)
ProcessAddedDevices(to, fromChildren);
}
public void Compare(UpnpDevice to, UpnpDevice from)
{
if (from == null)
{
return;
}
var fromChildren = from.EnumerateDevices().ToList();
var toChildren = to.EnumerateDevices().ToList();
foreach (var toChild in toChildren)
{
var fromChild = FindMatchFor(toChild, fromChildren);
if (fromChild == null)
{
//fromChild doesnt exist so was removed
DeviceRemoved(toChild);
continue;
}
// remove the child so we can see if there are any new ones at the end.
fromChildren.Remove(fromChild);
CompareDevices(toChild, fromChild);
}
//these devices were not found in the 'to' device so they are new
if (fromChildren.Count > 0)
{
ProcessAddedDevices(to, fromChildren);
}
}
private void ProcessAddedDevices(UpnpDevice to, List <UpnpDevice> addedDevices)
{
var toChildren = to.EnumerateDevices().ToList();
foreach (var device in addedDevices)
{
//cant update root device
if (device.Parent == null)
{
continue;
}
//find the original 'to' parent
var toChild = FindMatchFor(device.Parent, toChildren);
if (toChild == null)
{
continue;
}
DeviceAdded(toChild, device);
}
}
private void ProcessAddedDevices(UpnpDevice to, List<UpnpDevice> addedDevices)
{
var toChildren = to.EnumerateDevices().ToList();
foreach (var device in addedDevices)
{
//cant update root device
if(device.Parent == null)
continue;
//find the original 'to' parent
var toChild = FindMatchFor(device.Parent, toChildren);
if(toChild == null)
continue;
DeviceAdded(toChild, device);
}
}
public static IEnumerable <UpnpService> EnumerateServices(this UpnpDevice @this)
{
return(@this.EnumerateDevices().SelectMany(device => device.Services));
}
public static IEnumerable <UpnpDevice> FindByUdn(this UpnpDevice device, string udn)
{
return(device.EnumerateDevices().Where(d => d.UDN == udn));
}
public static IEnumerable <UpnpDevice> FindByDeviceType(this UpnpDevice @this, UpnpType type)
{
return(@this.EnumerateDevices().Where(d => d.Type.Equals(type)));
}