Current File : //lib/python3.6/site-packages/firewall/server/server.py
# -*- coding: utf-8 -*-
#
# Copyright (C) 2010-2016 Red Hat, Inc.
#
# Authors:
# Thomas Woerner <twoerner@redhat.com>
#
# 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; either version 2 of the License, or
# (at your option) any later version.
#
# 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, see <http://www.gnu.org/licenses/>.
#
# signal handling and run_server derived from setroubleshoot
# Copyright (C) 2006,2007,2008,2009 Red Hat, Inc.
# Authors:
# John Dennis <jdennis@redhat.com>
# Thomas Liu <tliu@redhat.com>
# Dan Walsh <dwalsh@redhat.com>
__all__ = [ "run_server" ]
import sys
import signal
# force use of pygobject3 in python-slip
from gi.repository import GObject, GLib
sys.modules['gobject'] = GObject
import dbus
import dbus.service
import dbus.mainloop.glib
import slip.dbus
from firewall import config
from firewall.core.logger import log
from firewall.server.firewalld import FirewallD
############################################################################
#
# signal handlers
#
############################################################################
def sighup(service):
service.reload()
return True
def sigterm(mainloop):
mainloop.quit()
############################################################################
#
# run_server function
#
############################################################################
def run_server(debug_gc=False):
""" Main function for firewall server. Handles D-Bus and GLib mainloop.
"""
service = None
if debug_gc:
from pprint import pformat
import gc
gc.enable()
gc.set_debug(gc.DEBUG_LEAK)
gc_timeout = 10
def gc_collect():
gc.collect()
if len(gc.garbage) > 0:
print("\n>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"
">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>\n")
print("GARBAGE OBJECTS (%d):\n" % len(gc.garbage))
for x in gc.garbage:
print(type(x), "\n ",)
print(pformat(x))
print("\n<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"
"<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<\n")
GLib.timeout_add_seconds(gc_timeout, gc_collect)
try:
dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)
bus = dbus.SystemBus()
name = dbus.service.BusName(config.dbus.DBUS_INTERFACE, bus=bus)
service = FirewallD(name, config.dbus.DBUS_PATH)
mainloop = GLib.MainLoop()
slip.dbus.service.set_mainloop(mainloop)
if debug_gc:
GLib.timeout_add_seconds(gc_timeout, gc_collect)
# use unix_signal_add if available, else unix_signal_add_full
if hasattr(GLib, 'unix_signal_add'):
unix_signal_add = GLib.unix_signal_add
else:
unix_signal_add = GLib.unix_signal_add_full
unix_signal_add(GLib.PRIORITY_HIGH, signal.SIGHUP,
sighup, service)
unix_signal_add(GLib.PRIORITY_HIGH, signal.SIGTERM,
sigterm, mainloop)
mainloop.run()
except KeyboardInterrupt:
log.debug1("Stopping..")
except SystemExit:
log.error("Raising SystemExit in run_server")
except Exception as e:
log.error("Exception %s: %s", e.__class__.__name__, str(e))
if service:
service.stop()
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