cwyang

import Data.Array
import Data.Array.ST
import qualified Data.ByteString.Char8 as B
import Control.Monad
import Control.Monad.ST
import Data.Maybe
import Control.Applicative
import Debug.Trace

type Vertex  = Int

cwyang

img

cwyang

%matplotlib inline
from keras.models import Sequential
from keras.layers import Dense, Dropout, Activation
from keras.optimizers import Adam
import numpy as np
import pandas as pd
import matplotlib.pyplot as plt

#Generate data
num_data=10000

cwyang

#!/usr/bin/perl
#
# 21 Apr 2020
# Chul-Woong Yang
#
# Client (C)         Proxy (P1)      Proxy (P2)
# 10.10.1.1/24      10.10.2.1/24    10.10.3.1/24
#     veth0             veth0          veth0
#      |                 |               |
#   veth pair         veth pair      veth pair

cwyang

import socket
import ssl

def set_keepalive_linux(sock, after_idle_sec=1, interval_sec=3, max_fails=5):
    """Set TCP keepalive on an open socket.

    It activates after 1 second (after_idle_sec) of idleness,
    then sends a keepalive ping once every 3 seconds (interval_sec),
    and closes the connection after 5 failed ping (max_fails), or 15 seconds
    """

cwyang

import os
import socket
import struct

# These constants map to constants in the Linux kernel. This is a crappy
# way to get at them, but it'll do for now.
RTMGRP_LINK = 1

NLMSG_NOOP = 1
NLMSG_ERROR = 2

cwyang

#!/usr/bin/env python3

import os
import time
import fnmatch

from vpp_papi import VPPApiClient

def init_vpp(vpp_json_dir='/usr/share/vpp/api/core/'):
        jsonfiles = []

cwyang

import socket, ssl, sys

if len(sys.argv) == 1:
    hostname = 'www.naver.com'
else:
    hostname = sys.argv[1]

ctx = ssl.create_default_context()
ctx.check_hostname = False
ctx.verify_mode = ssl.CERT_NONE

cwyang

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

cwyang

# -*- mode: ruby -*-
# vi: set ft=ruby :

Vagrant.configure(2) do |config|
  config.vm.box = "bento/ubuntu-22.04"
  config.vm.box_check_update = false

  vmcpu=(ENV['VPP_VAGRANT_VMCPU'] || 8)
  vmram=(ENV['VPP_VAGRANT_VMRAM'] || 12192)