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# Copyright 2020, Google Inc.
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#
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# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
"""Server related utilities."""
import logging
import logging.handlers
import threading
import time
from pywebsocket3 import common, util
def _get_logger_from_class(c):
return logging.getLogger('%s.%s' % (c.__module__, c.__name__))
def configure_logging(options):
logging.addLevelName(common.LOGLEVEL_FINE, 'FINE')
logger = logging.getLogger()
logger.setLevel(logging.getLevelName(options.log_level.upper()))
if options.log_file:
handler = logging.handlers.RotatingFileHandler(options.log_file, 'a',
options.log_max,
options.log_count)
else:
handler = logging.StreamHandler()
formatter = logging.Formatter(
'[%(asctime)s] [%(levelname)s] %(name)s: %(message)s')
handler.setFormatter(formatter)
logger.addHandler(handler)
deflate_log_level_name = logging.getLevelName(
options.deflate_log_level.upper())
_get_logger_from_class(util._Deflater).setLevel(deflate_log_level_name)
_get_logger_from_class(util._Inflater).setLevel(deflate_log_level_name)
class ThreadMonitor(threading.Thread):
daemon = True
def __init__(self, interval_in_sec):
threading.Thread.__init__(self, name='ThreadMonitor')
self._logger = util.get_class_logger(self)
self._interval_in_sec = interval_in_sec
def run(self):
while True:
thread_name_list = []
for thread in threading.enumerate():
thread_name_list.append(thread.name)
self._logger.info("%d active threads: %s",
threading.active_count(),
', '.join(thread_name_list))
time.sleep(self._interval_in_sec)
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