xenadmin/XenModel/Actions/USB/DeleteVUSBAction.cs

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using XenAPI;

namespace XenAdmin.Actions
{
    public class DeleteVUSBAction : AsyncAction
    {
        private readonly VUSB _vusb;

        public DeleteVUSBAction(VUSB vusb, VM vm)
            : base(vusb.Connection, string.Format(Messages.ACTION_VUSB_DELETING, vusb.Name(), vm.Name()))
        {
            _vusb = vusb;

            if (_vusb != null && _vusb.currently_attached)
            {
                ApiMethodsToRoleCheck.AddRange(
                    "VBD.get_allowed_operations",
                    "VBD.async_unplug");
            }

            ApiMethodsToRoleCheck.Add("VUSB.async_destroy");
        }

        protected override void Run()
        {
            try
            {
                if (_vusb.currently_attached &&
                    VUSB.get_allowed_operations(Session, _vusb.opaque_ref).Contains(vusb_operations.unplug))
                {
                    RelatedTask = VUSB.async_unplug(Session, _vusb.opaque_ref);
                    PollToCompletion(0, 50);
                }
            }
            finally
            {
                PercentComplete = 50;
                RelatedTask = VUSB.async_destroy(Session, _vusb.opaque_ref);
                PollToCompletion(51, 100);
            }
            Description = Messages.ACTION_VUSB_DELETED;
        }

    }

}