Small script that tracks network uptime and logs it to file

networkTest.py

import time
import datetime
import socket
# import urllib2

def hasInternet(host="8.8.8.8", port=53, timeout=3):
    """
    Host: 8.8.8.8 (google-public-dns-a.google.com)
    OpenPort: 53/tcp
    Service: domain (DNS/TCP)
    """
    try:
        socket.setdefaulttimeout(timeout)
        socket.socket(socket.AF_INET, socket.SOCK_STREAM).connect((host, port))
        return True
    except Exception as ex:
        return False

# def hasInternet2():
#     try:
#         urllib2.urlopen('http://www.twitch.tv', timeout=1)
#         return True
#     except urllib2.URLError as err:
#         return False

def currentTime() :
    return int(round(time.time()))

def getFormatedDateFromInt(timestamp) :
    return datetime.datetime.fromtimestamp(timestamp).strftime('%Y-%m-%d %H:%M:%S')

def getFormatedDateFromInt2(timestamp) :
    hours = int(timestamp / 3600)
    timestamp = timestamp % 3600
    minutes = int(timestamp / 60)
    seconds = timestamp % 60
    return str(hours) + ":" + str(minutes) + ":" + str(seconds)

def logToFile(text) :
    f = open("networkTimeouts.log", "ab+")
    f.write(bytes(text + "\r\n", 'UTF-8'))

timeDeltaStart = 0

print("Starting network logger")
logToFile("Starting network logger")

while True:
    if hasInternet() :
        if timeDeltaStart != 0 :
            #Internet is back
            print("Internet returned: ", getFormatedDateFromInt(currentTime()))
            logToFile("Internet returned: " + getFormatedDateFromInt(currentTime()))
            print("\tTime offline: ", getFormatedDateFromInt2(currentTime() - timeDeltaStart))
            logToFile("\tTime offline: " + getFormatedDateFromInt2(currentTime() - timeDeltaStart))
            timeDeltaStart = 0
            timeDelta = 0
    else :
        if timeDeltaStart == 0 :
            #Lost internet
            timeDeltaStart = currentTime()
            print("Timeout has started: ", getFormatedDateFromInt(timeDeltaStart))
            logToFile("Timeout has started: " + getFormatedDateFromInt(timeDeltaStart))

    time.sleep(3)