Additional observation.
If I keep adding devices to the bus, then n-1 devices show up in the tree view. My original report below was for the case where I have a single hub and am plugging a single device in and out.
Aaron Metzger wrote:
When I launch the UsbView tool, it correctly displays all of my USB devices in the tree view. If I unplug a device, the topology update logic correctly removes the device from the tree view.
If I then plug that device back in, the tree view is *not* updated to show the new device.
A toplogy change event is fired.
The nativeTopologyUpdater logic is executed but the "connectedDevices" list is returned with a size of zero. Therefore, the usbDeviceAttached() method of the UsbServicesListener is never invoked.
No errors are reported.
I poked around in the native code of "Java_com_ibm_jusb_os_linux_JavaxUsb_nativeTopologyUpdater" and "build_device" but couldn't quickly determine why the "connectedDevices" list was not updated.
Ideas?
If you have any suggestions of where to put debug code, I'd be happy to dig in deeper.
-- Aaron
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