def _server_network_relay(self):

        # Open a socket in the global namespace for DHCP
        try:
            self.ext_sock, self.ext_addr = self._open_dhcp_ext_socket()
        except Exception:
            LOG.exception(_LE("Failed to open dhcp external socket in "
                              "global ns"))
            return
        recvbuf = bytearray(RECV_BUFFER_SIZE)

        # Forward DHCP responses from external to internal networks
        while True:
            try:
                size = self.ext_sock.recv_into(recvbuf)
                pkt = DhcpPacket.parse(recvbuf)
                vpnid = pkt.get_relay_option(151)
                ciaddr = pkt.get_ciaddr()
                if vpnid not in self.int_sockets_by_vpn:
                    continue
                int_sock = self.int_sockets_by_vpn[vpnid]
                self.debug_stats.increment_pkts_from_server(vpnid)
                if ciaddr > "0.0.0.0":
                    ciaddr = "255.255.255.255"
                LOG.debug('Forwarding DHCP response for vpn %s', vpnid)
                int_sock.sendto(recvbuf[:size], (ciaddr, DHCP_CLIENT_PORT))
                self.debug_stats.increment_pkts_to_client(vpnid)
            except Exception:
                LOG.exception(_LE('Failed to forward dhcp response'))
dataset/ETHPy150Open openstack/networking-cisco/networking_cisco/plugins/cisco/cpnr/dhcp_relay.py/DhcpRelayAgent._server_network_relay/operator `==` -> `>`