import logging
import os, sys
import threading
import time

from datetime import datetime
from logging.handlers import RotatingFileHandler

BASE_PATH = os.path.dirname(__file__) + '\\'
LOGFILE='my_logger.log'
logPath = os.path.join(BASE_PATH, LOGFILE)

logging.basicConfig(level=logging.DEBUG)


logger = logging.getLogger('MainLog')
logCheck = logging.getLogger('CheckLog')  
logTask = logging.getLogger('taskLog')  

# gestore handler x logrotate
handler = RotatingFileHandler(logPath, 
                    maxBytes=1024*16,
                    backupCount=10
                    )
# Define a custom formatter
formatter = logging.Formatter('%(asctime)s %(name)-8s %(levelname)-8s %(message)s')
handler.setFormatter(formatter)

logger.addHandler(handler)
logCheck.addHandler(handler)
logTask.addHandler(handler)


#---------------------------------------------------------------
# funzione timer thread
#---------------------------------------------------------------
def do_every (interval, worker_func, iterations = 0):
    if iterations != 1:
        threading.Timer (
            interval,
            do_every, [interval, worker_func, 0 if iterations == 0 else iterations-1]
        ).start ();
    
    worker_func ();


#---------------------------------------------------------------
# funzione verifica LOG
#---------------------------------------------------------------
def checkLog():
    global LOGFILE

    try:
        # verifico logfile... 
        logCheck.info("verifica log")
        # logPath = os.path.join(BASE_LOG_PATH, LOGFILE)
        # fileSize = os.path.getsize(logPath)
         
    except Exception as exc :
        sys.stdout.write ( '\n errore in checkLog \n\n' )


#---------------------------------------------------------------
# funzione WatchDog verso REDIS
#---------------------------------------------------------------
def sendWatchDog(): 
    # invio su redis stato
    adesso = datetime.now()
    logTask.debug('Invio a REDIS segnale watchdog')


do_every ( 0.2 , checkLog )
do_every ( 0.1 , sendWatchDog )

for _ in range(10000):
    time.sleep (0.01)
    logger.debug('Hello, world!')