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path: root/test/vpp_udp_encap.py
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#!/usr/bin/env python3
"""
  UDP encap objects
"""

from vpp_object import VppObject
from socket import inet_pton, inet_ntop, AF_INET, AF_INET6


def find_udp_encap(test, ue):
    encaps = test.vapi.udp_encap_dump()
    for e in encaps:
        if ue.id == e.udp_encap.id \
           and ue.src_ip == str(e.udp_encap.src_ip) \
           and ue.dst_ip == str(e.udp_encap.dst_ip) \
           and e.udp_encap.dst_port == ue.dst_port \
           and e.udp_encap.src_port == ue.src_port:
            return True

    return False


class VppUdpEncap(VppObject):

    def __init__(self,
                 test,
                 src_ip,
                 dst_ip,
                 src_port,
                 dst_port,
                 table_id=0):
        self._test = test
        self.table_id = table_id
        self.src_ip_s = src_ip
        self.dst_ip_s = dst_ip
        self.src_ip = src_ip
        self.dst_ip = dst_ip
        self.src_port = src_port
        self.dst_port = dst_port

    def add_vpp_config(self):
        r = self._test.vapi.udp_encap_add(
            self.src_ip,
            self.dst_ip,
            self.src_port,
            self.dst_port,
            self.table_id)
        self.id = r.id
        self._test.registry.register(self, self._test.logger)

    def remove_vpp_config(self):
        self._test.vapi.udp_encap_del(self.id)

    def query_vpp_config(self):
        return find_udp_encap(self._test, self)

    def object_id(self):
        return ("udp-encap-%d" % self.id)

    def get_stats(self):
        c = self._test.statistics.get_counter("/net/udp-encap")
        return c[0][self.id]
"p">); v_new += header_bytes; f_new = clib_fifo_header (v_new); f_new->head_index = 0; f_new->tail_index = n_old_elts; _vec_len (v_new) = n_new_elts; /* Copy old -> new. */ n_copy_bytes = n_old_elts * elt_bytes; if (n_copy_bytes > 0) { f_old = clib_fifo_header (v_old); end = v_old + _vec_len (v_old) * elt_bytes; head = v_old + f_old->head_index * elt_bytes; if (head + n_copy_bytes >= end) { uword n = end - head; clib_memcpy_fast (v_new, head, n); clib_memcpy_fast (v_new + n, v_old, n_copy_bytes - n); } else clib_memcpy_fast (v_new, head, n_copy_bytes); } /* Zero empty space. */ n_zero_bytes = (n_new_elts - n_old_elts) * elt_bytes; clib_memset (v_new + n_copy_bytes, 0, n_zero_bytes); clib_fifo_free (v_old); return v_new; } /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */