os-ken & logger perf

test_packet.py

import sys
import logging

from os_ken.ofproto import ether, inet
from os_ken.lib.packet import ethernet
from os_ken.lib.packet import ipv4, ipv6
from os_ken.lib.packet import tcp, udp
from os_ken.lib.packet import packet, packet_utils
from os_ken.lib import addrconv

LOG = logging.getLogger('test_packet')
hdlr = logging.StreamHandler()
formatter = logging.Formatter('%(asctime)s %(levelname)s %(message)s')
hdlr.setFormatter(formatter)
LOG.addHandler(hdlr)
LOG.setLevel(logging.DEBUG)

class TestPacket:
    dst_mac = 'aa:aa:aa:aa:aa:aa'
    src_mac = 'bb:bb:bb:bb:bb:bb'
    dst_mac_bin = addrconv.mac.text_to_bin(dst_mac)
    src_mac_bin = addrconv.mac.text_to_bin(src_mac)
    dst_ip = '192.168.128.10'
    src_ip = '192.168.122.20'
    dst_ip_bin = addrconv.ipv4.text_to_bin(dst_ip)
    src_port = 50001
    dst_port = 50002
    src_ip_bin = addrconv.ipv4.text_to_bin(src_ip)
    payload = b'\x06\x06\x47\x50\x00\x00\x00\x00' \
        + b'\xcd\xc5\x00\x00\x00\x00\x00\x00' \
        + b'\x10\x11\x12\x13\x14\x15\x16\x17' \
        + b'\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f'

    def __init__(self):
        # buid packet
        e = ethernet.ethernet(self.dst_mac, self.src_mac,
                              ether.ETH_TYPE_IP)
        ip = ipv4.ipv4(4, 5, 0, 0, 0, 0, 0, 64, inet.IPPROTO_TCP, 0,
                       self.src_ip, self.dst_ip)
        t = tcp.tcp(0x190F, 0x1F90, 0x123, 1, 6, 0b101010, 2048, 0, 0x6f,
                    b'\x00\x00')

        p = packet.Packet()
        p.add_protocol(e)
        p.add_protocol(ip)
        p.add_protocol(t)
        p.add_protocol(self.payload)
        p.serialize()
        self.p = p

    def packet(self):
        return packet.Packet(self.p.data)

n = int(sys.argv[1])
t = TestPacket()
for _ in range(n):
    pkt = t.packet()
    LOG.info("pkt=%s", pkt)