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author | kali <kali@leap.se> | 2014-08-08 19:10:39 -0500 |
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committer | kali <kali@leap.se> | 2014-08-08 19:10:39 -0500 |
commit | cef0be0b4f866c9283eaf696fbc23b8120e40443 (patch) | |
tree | ff54448f7354e56235d22dabaf0fb03597790c98 /src/leap/bitmask/backend_app.py | |
parent | a9173e8e2816b767028787735e4a84b2576f258d (diff) | |
parent | 465c0b89ca61279eb036afec2de3b4d24b257311 (diff) |
Merge branch '0.6.1-rc' into deb-0.6.1-rc
Conflicts:
pkg/linux/bitmask-root
src/leap/bitmask/gui/login.py
Diffstat (limited to 'src/leap/bitmask/backend_app.py')
-rw-r--r-- | src/leap/bitmask/backend_app.py | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/src/leap/bitmask/backend_app.py b/src/leap/bitmask/backend_app.py index e69de29b..716ae4a7 100644 --- a/src/leap/bitmask/backend_app.py +++ b/src/leap/bitmask/backend_app.py @@ -0,0 +1,64 @@ +# -*- coding: utf-8 -*- +# backend_app.py +# Copyright (C) 2013, 2014 LEAP +# +# 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 3 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/>. +""" +Start point for the Backend. +""" +import logging +import multiprocessing +import signal + +from leap.bitmask.backend.leapbackend import LeapBackend +from leap.bitmask.util import dict_to_flags + +logger = logging.getLogger(__name__) + + +def signal_handler(signum, frame): + """ + Signal handler that quits the running app cleanly. + + :param signum: number of the signal received (e.g. SIGINT -> 2) + :type signum: int + :param frame: current stack frame + :type frame: frame or None + """ + # Note: we don't stop the backend in here since the frontend signal handler + # will take care of that. + # In the future we may need to do the stop in here when the frontend and + # the backend are run separately (without multiprocessing) + pname = multiprocessing.current_process().name + logger.debug("{0}: SIGNAL #{1} catched.".format(pname, signum)) + + +def run_backend(bypass_checks, flags_dict, frontend_pid=None): + """ + Run the backend for the application. + + :param bypass_checks: whether we should bypass the checks or not + :type bypass_checks: bool + :param flags_dict: a dict containing the flag values set on app start. + :type flags_dict: dict + """ + # ignore SIGINT since app.py takes care of signaling SIGTERM to us. + signal.signal(signal.SIGINT, signal.SIG_IGN) + signal.signal(signal.SIGTERM, signal_handler) + + dict_to_flags(flags_dict) + + backend = LeapBackend(bypass_checks=bypass_checks, + frontend_pid=frontend_pid) + backend.run() |