85 lines
2.3 KiB
Python
85 lines
2.3 KiB
Python
import tornado
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import tornado.web
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import tornado.gen
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from tornado.ioloop import IOLoop
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from objects import glob
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import gevent
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class asyncRequestHandler(tornado.web.RequestHandler):
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"""
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Tornado asynchronous request handler
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create a class that extends this one (requestHelper.asyncRequestHandler)
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use asyncGet() and asyncPost() instad of get() and post().
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Done. I'm not kidding.
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"""
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@tornado.web.asynchronous
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@tornado.gen.engine
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def get(self, *args, **kwargs):
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try:
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yield tornado.gen.Task(runBackground, (self.asyncGet, tuple(args), dict(kwargs)))
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except Exception as e:
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yield tornado.gen.Task(self.captureException, exc_info=True)
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finally:
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if not self._finished:
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self.finish()
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@tornado.web.asynchronous
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@tornado.gen.engine
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def post(self, *args, **kwargs):
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try:
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yield tornado.gen.Task(runBackground, (self.asyncPost, tuple(args), dict(kwargs)))
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except Exception as e:
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yield tornado.gen.Task(self.captureException, exc_info=True)
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finally:
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if not self._finished:
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self.finish()
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def asyncGet(self, *args, **kwargs):
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self.send_error(405)
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self.finish()
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def asyncPost(self, *args, **kwargs):
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self.send_error(405)
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self.finish()
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def getRequestIP(self):
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realIP = self.request.headers.get("X-Forwarded-For") if glob.cloudflare == True else self.request.headers.get("X-Real-IP")
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if realIP != None:
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return realIP
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return self.request.remote_ip
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def runBackground(data, callback):
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"""
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Run a function in the background.
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Used to handle multiple requests at the same time
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"""
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func, args, kwargs = data
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def _callback(result):
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IOLoop.instance().add_callback(lambda: callback(result))
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g = gevent.Greenlet(func, *args, **kwargs)
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g.link(_callback)
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g.start()
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def checkArguments(arguments, requiredArguments):
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"""
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Check that every requiredArguments elements are in arguments
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arguments -- full argument list, from tornado
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requiredArguments -- required arguments list es: ["u", "ha"]
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handler -- handler string name to print in exception. Optional
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return -- True if all arguments are passed, none if not
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"""
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for i in requiredArguments:
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if i not in arguments:
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return False
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return True
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def printArguments(t):
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"""
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Print passed arguments, for debug purposes
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t -- tornado object (self)
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"""
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print("ARGS::")
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for i in t.request.arguments:
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print ("{}={}".format(i, t.get_argument(i))) |