120 lines
2.5 KiB
Python
120 lines
2.5 KiB
Python
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import asyncio
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import logging
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import os
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import signal
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from aiohttp import web
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from cachetools import LRUCache
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from datetime import datetime, timedelta
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from .config import RelayConfig
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from .database import RelayDatabase
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from .misc import DotDict, check_open_port, set_app
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from .views import routes
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class Application(web.Application):
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def __init__(self, cfgpath):
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web.Application.__init__(self)
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self['starttime'] = None
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self['running'] = False
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self['is_docker'] = bool(os.environ.get('DOCKER_RUNNING'))
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self['config'] = RelayConfig(cfgpath, self['is_docker'])
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if not self['config'].load():
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self['config'].save()
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self['database'] = RelayDatabase(self['config'])
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self['database'].load()
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self['cache'] = DotDict({key: LRUCache(maxsize=self['config'][key]) for key in self['config'].cachekeys})
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self['semaphore'] = asyncio.Semaphore(self['config'].push_limit)
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self.set_signal_handler()
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set_app(self)
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@property
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def cache(self):
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return self['cache']
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@property
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def config(self):
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return self['config']
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@property
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def database(self):
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return self['database']
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@property
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def is_docker(self):
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return self['is_docker']
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@property
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def semaphore(self):
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return self['semaphore']
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@property
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def uptime(self):
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if not self['starttime']:
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return timedelta(seconds=0)
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uptime = datetime.now() - self['starttime']
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return timedelta(seconds=uptime.seconds)
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def set_signal_handler(self):
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signal.signal(signal.SIGHUP, self.stop)
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signal.signal(signal.SIGINT, self.stop)
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signal.signal(signal.SIGQUIT, self.stop)
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signal.signal(signal.SIGTERM, self.stop)
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def run(self):
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if not check_open_port(self.config.listen, self.config.port):
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return logging.error(f'A server is already running on port {self.config.port}')
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for route in routes:
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if route[1] == '/stats' and logging.DEBUG < logging.root.level:
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continue
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self.router.add_route(*route)
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logging.info(f'Starting webserver at {self.config.host} ({self.config.listen}:{self.config.port})')
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asyncio.run(self.handle_run())
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def stop(self, *_):
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self['running'] = False
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async def handle_run(self):
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self['running'] = True
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runner = web.AppRunner(self, access_log_format='%{X-Forwarded-For}i "%r" %s %b "%{User-Agent}i"')
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await runner.setup()
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site = web.TCPSite(runner,
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host = self.config.listen,
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port = self.config.port,
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reuse_address = True
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)
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await site.start()
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self['starttime'] = datetime.now()
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while self['running']:
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await asyncio.sleep(0.25)
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await site.stop()
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self['starttime'] = None
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self['running'] = False
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