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# -*- coding: utf-8 -*-

# Description: logging for netdata python.d modules

import sys

from time import time, strftime

DEBUG_FLAG = False

PROGRAM = ""

LOG_COUNTER = 2

LOG_INTERVAL = 5

NEXT_CHECK = 0

WRITE = sys.stderr.write

FLUSH = sys.stderr.flush

def log_msg(msg_type, *args):

"""

Print message on stderr.

:param msg_type: str

"""

global LOG_COUNTER

if not DEBUG_FLAG:

LOG_COUNTER -= 1

now = time()

if LOG_COUNTER >= 0:

timestamp = strftime('%y-%m-%d %X')

msg = "%s: %s %s: %s" % (timestamp, PROGRAM, str(msg_type), " ".join(args))

WRITE(msg + "\n")

FLUSH()

global NEXT_CHECK

if NEXT_CHECK <= now:

NEXT_CHECK = now - (now % LOG_INTERVAL) + LOG_INTERVAL

if LOG_COUNTER < 0:

timestamp = strftime('%y-%m-%d %X')

msg = "%s: Prevented %s log messages from displaying" % (timestamp, str(0 - LOG_COUNTER))

WRITE(msg + "\n")

FLUSH()

def debug(*args):

"""

Print debug message on stderr.

"""

if not DEBUG_FLAG:

return

log_msg("DEBUG", *args)

def error(*args):

"""

Print message on stderr.

"""

log_msg("ERROR", *args)

def info(*args):

"""

Print message on stderr.

"""

log_msg("INFO", *args)

def fatal(*args):

"""

Print message on stderr and exit.

"""

log_msg("FATAL", *args)

# using sys.stdout causes IOError: Broken Pipe

print('DISABLE')

# sys.stdout.write('DISABLE\n')

sys.exit(1)