1 from vpp_object import VppObject
2 from vpp_interface import VppInterface
5 class VppLoInterface(VppInterface, VppObject):
6 """VPP loopback interface."""
8 def __init__(self, test, lo_index):
9 """ Create VPP loopback interface """
12 super(VppLoInterface, self).__init__(test)
13 self._lo_index = lo_index
15 def add_vpp_config(self):
16 r = self.test.vapi.create_loopback()
17 self._sw_if_index = r.sw_if_index
19 def remove_vpp_config(self):
20 self.test.vapi.delete_loopback(self.sw_if_index)
22 def query_vpp_config(self):
23 dump = self.vapi.sw_interface_dump()
24 return self.is_interface_config_in_dump(dump)
26 def is_interface_config_in_dump(self, dump):
28 if i.interface_name.rstrip(' \t\r\n\0') == self.name and \
29 i.sw_if_index == self.sw_if_index:
35 return "loopback-%d" % self._sw_if_index