wcang

/* Implementation of state design pattern for MLD router state transition
 * (RFC 2710) using C
 */
#include <stdio.h>
#include <stdbool.h>

struct mld_state {
	struct mld_ctx * ctx;
	void (*init)(struct mld_state *, struct mld_ctx *);
	void (*recv_query)(struct mld_state *, bool lower);

wcang

#implementation of state design pattern for MLD router state transition
#(RFC2710)
import time

class NonQuerier:
    def __init__(self, ctx):
        print "In non-querier"
        print "Start other querier timeout"
        self.ctx = ctx
        self.timeout = time.time()

wcang

import os
import sys
import shutil

class chroot:
    def __init__(self, root_dir):
        self.root_dir = root_dir

    def __enter__(self):
        self.real_root = os.open("/",os.O_RDONLY)

wcang

import os                                                                       
                                                                                
class cd:                                                                       
    def __init__(self, path):                                                   
        print "constructor"                                                     
        self.dest = path                                                        
        self.origin = os.getcwd()                                               
                                                                                
    def __enter__(self):                                                        
        os.chdir(self.dest)                                                     

wcang

''' 
    Dirty and ugly hack to duplicate stdout stream to a file
    Be careful as this only overwrites several file functions
    This thing sort of acts like unix's tee program


    Ang Way Chuang <[email protected]>
    Feel free to use, modify and distribute. No warranty and no restriction
'''
import sys