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from vpp_interface import VppInterface


class VppAFPacketInterface(VppInterface):

    @property
    def host_if_name(self):
        """Host interface name"""
        return self._host_if_name

    def __init__(self, test, host_if_name, mac_addr=None):
        self._test = test
        self._host_if_name = host_if_name
        self._mac_addr = mac_addr

    def get_vpp_dump(self):
        dump = self._test.vapi.af_packet_dump()
        for entry in dump:
            if entry.sw_if_index == self.sw_if_index:
                return entry

    def add_vpp_config(self):
        use_random_mac = True if self._mac_addr else False
        reply = self._test.vapi.af_packet_create(
            host_if_name=self._host_if_name,
            use_random_hw_addr=use_random_mac,
            hw_addr=self._mac_addr)
        self.set_sw_if_index(reply.sw_if_index)
        self._test.registry.register(self, self.test.logger)

    def remove_vpp_config(self):
        self._test.vapi.af_packet_delete(host_if_name=self._host_if_name)

    def query_vpp_config(self):
        dump = self.get_vpp_dump()
        if dump:
            return True
        return False

    def object_id(self):
        return "af_packet-%s" % self._host_if_name