mirror of
https://github.com/GNS3/gns3-server
synced 2024-12-01 04:38:12 +00:00
94 lines
3.1 KiB
Python
94 lines
3.1 KiB
Python
#!/usr/bin/env python
|
|
#
|
|
# Copyright (C) 2020 GNS3 Technologies Inc.
|
|
#
|
|
# 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/>.
|
|
|
|
import sys
|
|
import asyncio
|
|
|
|
from typing import Callable
|
|
from fastapi import FastAPI
|
|
|
|
from gns3server.controller import Controller
|
|
from gns3server.compute import MODULES
|
|
from gns3server.compute.port_manager import PortManager
|
|
from gns3server.utils.http_client import HTTPClient
|
|
from gns3server.db.tasks import connect_to_db
|
|
|
|
|
|
import logging
|
|
log = logging.getLogger(__name__)
|
|
|
|
|
|
def create_startup_handler(app: FastAPI) -> Callable:
|
|
|
|
async def start_app() -> None:
|
|
loop = asyncio.get_event_loop()
|
|
logger = logging.getLogger("asyncio")
|
|
logger.setLevel(logging.ERROR)
|
|
|
|
if sys.platform.startswith("win"):
|
|
# Add a periodic callback to give a chance to process signals on Windows
|
|
# because asyncio.add_signal_handler() is not supported yet on that platform
|
|
# otherwise the loop runs outside of signal module's ability to trap signals.
|
|
|
|
def wakeup():
|
|
loop.call_later(0.5, wakeup)
|
|
|
|
loop.call_later(0.5, wakeup)
|
|
|
|
if log.getEffectiveLevel() == logging.DEBUG:
|
|
# On debug version we enable info that
|
|
# coroutine is not called in a way await/await
|
|
loop.set_debug(True)
|
|
|
|
# connect to the database
|
|
await connect_to_db(app)
|
|
|
|
await Controller.instance().start()
|
|
# Because with a large image collection
|
|
# without md5sum already computed we start the
|
|
# computing with server start
|
|
|
|
from gns3server.compute.qemu import Qemu
|
|
asyncio.ensure_future(Qemu.instance().list_images())
|
|
|
|
for module in MODULES:
|
|
log.debug("Loading module {}".format(module.__name__))
|
|
m = module.instance()
|
|
m.port_manager = PortManager.instance()
|
|
|
|
return start_app
|
|
|
|
|
|
def create_shutdown_handler(app: FastAPI) -> Callable:
|
|
|
|
async def shutdown_handler() -> None:
|
|
await HTTPClient.close_session()
|
|
await Controller.instance().stop()
|
|
|
|
for module in MODULES:
|
|
log.debug("Unloading module {}".format(module.__name__))
|
|
m = module.instance()
|
|
await m.unload()
|
|
|
|
if PortManager.instance().tcp_ports:
|
|
log.warning("TCP ports are still used {}".format(PortManager.instance().tcp_ports))
|
|
|
|
if PortManager.instance().udp_ports:
|
|
log.warning("UDP ports are still used {}".format(PortManager.instance().udp_ports))
|
|
|
|
return shutdown_handler
|