74 lines
2.5 KiB
Python
74 lines
2.5 KiB
Python
# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import asyncio
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import os
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import typing
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from aiohttp import web
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from laos.common.base import controllers as c
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from laos.common import logger as log
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class AbstractWebServer(object):
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def __init__(self, host: str='127.0.0.1',
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port: int= '10001',
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controllers: typing.List[c.ServiceControllerBase]=None,
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middlewares: list=None,
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event_loop: asyncio.AbstractEventLoop=None,
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logger=log.UnifiedLogger(
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log_to_console=True,
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level="INFO").setup_logger(__name__)):
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"""
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HTTP server abstraction class
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:param host:
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:param port:
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:param controllers:
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:param middlewares:
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:param event_loop:
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:param logger:
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"""
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self.host = host
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self.port = port
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self.controllers = controllers
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self.event_loop = event_loop
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self.service = web.Application(
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loop=self.event_loop,
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debug=os.environ.get('PYTHONASYNCIODEBUG', 0),
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middlewares=middlewares if middlewares else [])
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self.service_handler = None
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self.server = None
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self.logger = logger
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def _apply_routers(self):
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if self.controllers:
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for controller in self.controllers:
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controller(self.service)
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def shutdown(self):
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self.server.close()
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self.event_loop.run_until_complete(self.server.wait_closed())
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self.event_loop.run_until_complete(
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self.service_handler.finish_connections(1.0))
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self.event_loop.run_until_complete(self.service.cleanup())
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def initialize(self):
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self._apply_routers()
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try:
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web.run_app(self.service, host=self.host, port=self.port,
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shutdown_timeout=10, access_log=self.logger)
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except KeyboardInterrupt:
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self.shutdown()
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