cf/trace_processing/usedInCF/anonymization.py

import os, sys
import time
import csv
import requests
import pickle, json
from inspect import currentframe, getframeinfo
from collections import defaultdict 
import hashlib 


def processing(datafile):
    ifile = open(datafile, errors="ignore")
    reader = csv.reader(ifile)
    ofile = open(datafile + ".clean", "w")
    writer = csv.writer(ofile)
    ttl_dict = {}

    with open("ttl_dict.pickle", "rb") as f:
        ttl_dict = pickle.load(f)

    n = 0
    n_no_ttl, n_use_ttl_dict = 0, 0
    no_age = 0
    n_time_change = 0
    last_ts = 0
    for row in reader:
        # ts            country      obj                  sz     content tier      ttl             age    cstatus    method     zoneId        
        # 1628962150      238     8881329091665286219     1031315 bin     0       2666005146      1628962150      hit     GET     438702142       ark-us-static-online.yo-star.com        /assetbundle/official/Android/assets/21-07-28-08-08-11-1b23f7/avg_images_avg_6_17.dat 
        # 1628962464      238     11714083853013678418    1403    svg     0       2666004832      758240          miss    GET     444690466       www.envive.com  /Assets/Envive-DTC/img/img-1200x200-mobile-back.svg
        n += 1
        try:
            # ts, country, colo, obj, sz, content_type, tieed_hit, ttl, age, cstatus, method, zone_id, edgehost, referhost, hostname, path, query_string = row 
            ts, country, colo, obj, obj2, sz, content_type, tieed_hit, ttl, age, cstatus, method, zone_id, edgehost, referhost, hostname, path, query_string = row 
        except Exception as e:
            print(e, row)
            continue 

        ts, ttl, age = int(ts), int(ttl), int(age)
        if ts < last_ts:
            # ts = last_ts 
            n_time_change += 1
        last_ts = ts 

        if ttl > 86400*365 and (hostname, content_type) in ttl_dict:
            ttl = ttl_dict[(hostname, content_type)]
            n_use_ttl_dict += 1
        if ttl > 86400*365*30:
            n_no_ttl += 1
            ttl = -1
        
        if age > 86400*365*30:
            no_age += 1
            age = -1 

        # hostname = str(int(hashlib.sha1(hostname.encode()).hexdigest(), 16) % (2**30))
        # edgehost = str(int(hashlib.sha1(edgehost.encode()).hexdigest(), 16) % (2**30))
        # referhost = str(int(hashlib.sha1(referhost.encode()).hexdigest(), 16) % (2**30))
        # zone_id = str(int(hashlib.sha1(zone_id.encode()).hexdigest(), 16) % (2**30))

        hostname = str(int(hashlib.md5(hostname.encode()).hexdigest(), 16) % (2**30))
        edgehost = str(int(hashlib.md5(edgehost.encode()).hexdigest(), 16) % (2**30))
        referhost = str(int(hashlib.md5(referhost.encode()).hexdigest(), 16) % (2**30))
        zone_id = str(int(hashlib.md5(zone_id.encode()).hexdigest(), 16) % (2**30))

        has_query_string = len(query_string.strip()) > 0
        if has_query_string:
            has_query_string = "1" 
        else:
            has_query_string = "0"
                        
        n_param = str(query_string.count("&")+1)
        n_level = str(path.count("/") - 1)

        extension = path.split(".")[-1]
        if "-" in extension or "/" in extension or "_" in extension or len(extension) > 10:
            extension = ""

        ofile.write(",".join([str(ts), country, colo, obj, obj2, sz, content_type, extension, n_level, str(ttl), str(age), cstatus, method, zone_id, hostname, edgehost, referhost, has_query_string, n_param])+"\n")

        if n % 20000000 == 0:
            print("{:.0f} {} req, {} missingTTL, {} replaceTTL, {} noAge, {} timeDiff".format(time.time(), n//1e6, n_no_ttl//1e6, n_use_ttl_dict//1e6, no_age//1e6, n_time_change))


    ifile.close()
    ofile.close()


if __name__ == "__main__":
    # processing("colo_0814_17_0")
    processing(sys.argv[1])