## @package Log
# Wrapper for Python logging
#
#  @author mob
#
# for questions and comments:
# support@neobotix.de, subject: "Logging"
#
# -----------------------------------------------------------------------------------
#
#       Copyright (c) 2009 Neobotix (www.neobotix.de)
#
#      This software is allowed to be used and modified only in association with a Neobotix
#      robot platform. It is allowed to include the software into applications and
#      to distribute it with a Neobotix robot platform. 
#      
#      This software is provided WITHOUT ANY WARRANTY; without even the
#      implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
#      PURPOSE. See the Neobotix License (Version 1.0) for more details.
#
#      You should have received a copy of the Neobotix License
#      along with this software; if not, write to the 
#      Gesellschaft fuer Produktionssysteme, Neobotix, Nobelstrasse 12, 70569 Stuttgart, Germany
#
# -----------------------------------------------------------------------------------
import logging
import logging.handlers

PORT = 4445
formatter = logging.Formatter("%(levelname)-5s %(asctime)s %(module)s %(lineno)-4d %(message)s")

# remote logging handler
global h2
h2 = logging.handlers.DatagramHandler("127.0.0.1", PORT)

# Set up a specific logger with our desired output level
logger = logging.getLogger('NeoPyClientLog')
logger.setLevel(logging.DEBUG)
h0 = logging.StreamHandler()
h0.setFormatter(formatter)
logger.addHandler(h0)


## Set up the rotating File handler
#  @param filename The name of the logfiles
#  @param max_size The maximum size in bytes
#  @param backupCount The number of files to save
#
#  Initializes the rotating file handler
def initFileHandler(filename, max_size, fileCount):
    h1 = logging.handlers.RotatingFileHandler(filename, maxBytes=max_size, backupCount=fileCount)
    h1.setFormatter(formatter)
    logger.addHandler(h1)


## Set the log level
#  @param level the log level, 0 is critical, 4 is debug
#
# Set the log level
def setLogLevel(level):
    if(level==0):
        logger.setLevel(logging.CRITICAL)
    if(level==1):
        logger.setLevel(logging.ERROR)
    if(level==2):
        logger.setLevel(logging.WARNING)
    if(level==3):
        logger.setLevel(logging.INFO)
    else:
        logger.setLevel(logging.DEBUG)


## Start remote logging
#  @param server The server to log to
#
#  Start remote logging
def initRemoteLog(server):
    global h2
    if h2: logger.removeHandler(h2)
    h2 = logging.handlers.DatagramHandler(server, PORT)
    h2.setFormatter(formatter)
    logger.addHandler(h2)
    logger.debug(" try to connect to:" + server + " port:" + str(PORT))