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#
# logactio - simple framework for doing configured action on certain
# log file events
#
# Copyright 2012 - 2015 David Sommerseth <dazo@eurephia.org>
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation, version 2
# of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# For the avoidance of doubt the "preferred form" of this code is one which
# is in an open unpatent encumbered format. Where cryptographic key signing
# forms part of the process of creating an executable the information
# including keys needed to generate an equivalently functional executable
# are deemed to be part of the source code.
#
import syslog
LOGTYPE_FILE = 0
LOGTYPE_SYSLOG = 1
LOGTYPE_STDOUT = 2
class FileLogger(object):
def __init__(self, logfile):
self.__logf = open(logfile, "a+")
def _log(self, lvl, msg):
self.__logf.write("[%i] %s\n" % (lvl, msg))
self.__logf.flush()
def _close(self):
self.__logf.close()
class SysLogger(object):
def __init__(self, destname):
syslog.openlog(destname, syslog.LOG_PID|syslog.LOG_NOWAIT, syslog.LOG_USER)
def _log(self, lvl, msg):
syslog.syslog(syslog.LOG_NOTICE, msg)
def _close(self):
syslog.closelog()
class StdoutLogger(object):
def __init__(self):
import sys
self.__logf = sys.stdout
def _log(self, lvl, msg):
self.__logf.write("[%i] %s\n" % (lvl, msg))
self.__logf.flush()
def _close(self):
pass
class Logger(object):
def __init__(self, logtype, logdest, verblvl):
self.__verblevel = verblvl
if logtype == LOGTYPE_FILE:
self.__logger = FileLogger(logdest)
elif logtype == LOGTYPE_SYSLOG:
self.__logger = SysLogger(logdest)
elif logtype == LOGTYPE_STDOUT:
self.__logger = StdoutLogger()
def Log(self, lvl, msg):
if lvl <= self.__verblevel:
self.__logger._log(lvl, msg.rstrip())
def Close(self):
self.__logger._close()
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