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78 lines
2.5 KiB
Python
78 lines
2.5 KiB
Python
# -*- coding: utf-8 -
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#
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# This file is part of gunicorn released under the MIT license.
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# See the NOTICE for more information.
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import errno
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import socket
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import traceback
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from gunicorn import http
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from gunicorn.http.tee import UnexpectedEOF
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from gunicorn import util
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from gunicorn.workers.base import Worker
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ALREADY_HANDLED = object()
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class AsyncWorker(Worker):
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def __init__(self, *args, **kwargs):
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Worker.__init__(self, *args, **kwargs)
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self.worker_connections = self.cfg.worker_connections
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def keepalive_request(self, client, addr):
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return http.KeepAliveRequest(client, addr, self.address,
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self.cfg)
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def handle(self, client, addr):
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try:
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while self.handle_request(client, addr):
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pass
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except socket.error, e:
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if e[0] not in (errno.EPIPE, errno.ECONNRESET):
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self.log.exception("Error processing request.")
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else:
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if e[0] == errno.ECONNRESET:
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self.log.warn("Ignoring connection reset")
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else:
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self.log.warn("Ignoring EPIPE")
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except UnexpectedEOF:
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self.log.exception("Client closed the connection unexpectedly.")
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except Exception, e:
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self.log.exception("Error processing request.")
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try:
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# Last ditch attempt to notify the client of an error.
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mesg = "HTTP/1.0 500 Internal Server Error\r\n\r\n"
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util.write_nonblock(client, mesg)
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except:
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pass
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return
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finally:
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util.close(client)
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def handle_request(self, client, addr):
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req = self.keepalive_request(client, addr)
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if not req:
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return False
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try:
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environ = req.read()
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if not environ or not req.parser.headers:
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return False
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respiter = self.app(environ, req.start_response)
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if respiter == ALREADY_HANDLED:
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return False
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for item in respiter:
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req.response.write(item)
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req.response.close()
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if hasattr(respiter, "close"):
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respiter.close()
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if req.parser.should_close:
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return False
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except Exception, e:
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#Only send back traceback in HTTP in debug mode.
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if not self.debug:
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raise
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util.write_error(client, traceback.format_exc())
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return False
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return True
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