def finish_request(self, fs):
try:
(keepalive, conn) = fs.result()
# if the connection should be kept alived add it
# to the eventloop and record it
if keepalive:
# flag the socket as non blocked
conn.sock.setblocking(False)
# register the connection
conn.set_timeout()
self._keep.append(conn)
# add the socket to the event loop
self.poller.register(conn.sock, selectors.EVENT_READ,
partial(self.handle_client, conn))
else:
util.close(conn.sock)
except:
# an exception happened, make sure to close the
# socket.
util.close(fs.conn.sock)
finally:
# remove the future from our list
try:
self.futures.remove(fs)
except ValueError:
pass
def handle(self, listener, client, addr):
req = None
try:
if self.cfg.is_ssl:
client = ssl.wrap_socket(client, server_side=True,
**self.cfg.ssl_options)
parser = http.RequestParser(self.cfg, client)
req = six.next(parser)
self.handle_request(listener, req, client, addr)
except http.errors.NoMoreData as e:
self.log.debug("Ignored premature client disconnection. %s", e)
except StopIteration as e:
self.log.debug("Closing connection. %s", e)
except ssl.SSLError as e:
if e.args[0] == ssl.SSL_ERROR_EOF:
self.log.debug("ssl connection closed")
client.close()
else:
self.log.debug("Error processing SSL request.")
self.handle_error(req, client, addr, e)
except socket.error as e:
if e.args[0] not in (errno.EPIPE, errno.ECONNRESET):
self.log.exception("Socket error processing request.")
else:
if e.args[0] == errno.ECONNRESET:
self.log.debug("Ignoring connection reset")
else:
self.log.debug("Ignoring EPIPE")
except Exception as e:
self.handle_error(req, client, addr, e)
finally:
util.close(client)
def handle(self, listener, client, addr):
req = None
try:
if self.cfg.is_ssl:
client = ssl.wrap_socket(client,
server_side=True,
**self.cfg.ssl_options)
parser = http.RequestParser(self.cfg, client)
req = six.next(parser)
self.handle_request(listener, req, client, addr)
except http.errors.NoMoreData as e:
self.log.debug("Ignored premature client disconnection. %s", e)
except StopIteration as e:
self.log.debug("Closing connection. %s", e)
except ssl.SSLError as e:
if e.args[0] == ssl.SSL_ERROR_EOF:
self.log.debug("ssl connection closed")
client.close()
else:
self.log.debug("Error processing SSL request.")
self.handle_error(req, client, addr, e)
except EnvironmentError as e:
if e.errno not in (errno.EPIPE, errno.ECONNRESET):
self.log.exception("Socket error processing request.")
else:
if e.errno == errno.ECONNRESET:
self.log.debug("Ignoring connection reset")
else:
self.log.debug("Ignoring EPIPE")
except Exception as e:
self.handle_error(req, client, addr, e)
finally:
util.close(client)
def handle(self, listener, client, addr):
environ = {}
req = None
resp = None
try:
parser = http.RequestParser(self.cfg, client)
req = six.next(parser)
environ, resp = self.handle_request(listener, req, client, addr)
except http.errors.NoMoreData as e:
self.log.debug("Ignored premature client disconnection. %s", e)
except StopIteration as e:
self.log.debug("Closing connection. %s", e)
except socket.error as e:
if e.args[0] != errno.EPIPE:
self.log.exception("Error processing request.")
else:
self.log.debug("Ignoring EPIPE")
except Exception as e:
self.handle_error(req, client, addr, e)
finally:
util.close(client)
try:
if resp is not None:
self.cfg.post_request(self, req, environ, resp)
else:
self.log.exception("Error during post_request.")
except:
self.log.exception("Error during post_request.")
def send(self):
# send headers
resp_head = []
resp_head.append("HTTP/1.1 %s\r\n" % (self.status))
resp_head.append("Server: %s\r\n" % self.SERVER_VERSION)
resp_head.append("Date: %s\r\n" % http_date())
# broken clients
resp_head.append("Status: %s\r\n" % str(self.status))
# always close the conenction
resp_head.append("Connection: close\r\n")
for name, value in self.headers.items():
resp_head.append("%s: %s\r\n" % (name, value))
write(self.sock, "%s\r\n" % "".join(resp_head))
for chunk in list(self.data):
write(self.sock, chunk)
close(self.sock)
if hasattr(self.data, "close"):
self.data.close()
def finish_request(self, fs):
try:
(keepalive, conn) = fs.result()
# if the connection should be kept alived add it
# to the eventloop and record it
if keepalive:
# flag the socket as non blocked
conn.sock.setblocking(False)
# register the connection
conn.set_timeout()
self._keep.append(conn)
# add the socket to the event loop
self.poller.register(conn.sock, selectors.EVENT_READ,
partial(self.handle_client, conn))
else:
util.close(conn.sock)
except:
# an exception happened, make sure to close the
# socket.
util.close(fs.conn.sock)
finally:
# remove the future from our list
try:
self.futures.remove(fs)
except ValueError:
pass
def handle(self, listener, client, addr):
environ = {}
req = None
resp = None
try:
parser = http.RequestParser(self.cfg, client)
req = six.next(parser)
environ, resp = self.handle_request(listener, req, client, addr)
except http.errors.NoMoreData as e:
self.log.debug("Ignored premature client disconnection. %s", e)
except StopIteration as e:
self.log.debug("Closing connection. %s", e)
except socket.error as e:
if e.args[0] != errno.EPIPE:
self.log.exception("Error processing request.")
else:
self.log.debug("Ignoring EPIPE")
except Exception as e:
self.handle_error(req, client, addr, e)
finally:
util.close(client)
try:
if resp is not None:
self.cfg.post_request(self, req, environ, resp)
else:
self.log.exception("Error during post_request.")
except:
self.log.exception("Error during post_request.")
def handle(self, listener, client, addr):
req = None
try:
parser = http.RequestParser(self.cfg, client)
try:
listener_name = listener.getsockname()
if not self.cfg.keepalive:
req = next(parser)
self.handle_request(listener_name, req, client, addr)
else:
# keepalive loop
proxy_protocol_info = {}
# 相比于 gthread worker, 此处一直循环读取请求并处理
while True:
req = None
with self.timeout_ctx():
req = next(parser)
if not req:
break
if req.proxy_protocol_info:
proxy_protocol_info = req.proxy_protocol_info
else:
req.proxy_protocol_info = proxy_protocol_info
self.handle_request(listener_name, req, client, addr)
except http.errors.NoMoreData as e:
self.log.debug("Ignored premature client disconnection. %s", e)
except StopIteration as e:
self.log.debug("Closing connection. %s", e)
except ssl.SSLError:
# pass to next try-except level
util.reraise(*sys.exc_info())
except EnvironmentError:
# pass to next try-except level
util.reraise(*sys.exc_info())
except Exception as e:
self.handle_error(req, client, addr, e)
except ssl.SSLError as e:
if e.args[0] == ssl.SSL_ERROR_EOF:
self.log.debug("ssl connection closed")
client.close()
else:
self.log.debug("Error processing SSL request.")
self.handle_error(req, client, addr, e)
except EnvironmentError as e:
if e.errno not in (errno.EPIPE, errno.ECONNRESET):
self.log.exception("Socket error processing request.")
else:
if e.errno == errno.ECONNRESET:
self.log.debug("Ignoring connection reset")
else:
self.log.debug("Ignoring EPIPE")
except Exception as e:
self.handle_error(req, client, addr, e)
finally:
util.close(client)
def handle(self, server_sock, client_sock, addr):
"""Handle client connection
The client may send one or more requests.
"""
req = None
try:
parser = http.RequestParser(self.cfg, client_sock)
try:
server_name = server_sock.getsockname()
if not self.cfg.keepalive:
req = next(parser)
self.handle_request(server_name, req, client_sock, addr)
else:
# keepalive loop
while True:
req = None
with self.timeout_ctx():
req = next(parser)
if not req:
break
self.handle_request(server_name, req, client_sock, addr)
gyield()
except http.errors.NoMoreData as e:
self.log.debug("Ignored premature client disconnection. %s", e)
except StopIteration as e:
self.log.debug("Closing connection. %s", e)
except ssl.SSLError:
exc_info = sys.exc_info()
# pass to next try-except level
reraise(exc_info[0], exc_info[1], exc_info[2])
except socket.error:
exc_info = sys.exc_info()
# pass to next try-except level
reraise(exc_info[0], exc_info[1], exc_info[2])
except Exception as e:
self.handle_error(req, client_sock, addr, e)
except ssl.SSLError as e:
if get_errno(e) == ssl.SSL_ERROR_EOF:
self.log.debug("ssl connection closed")
client_sock.close()
else:
self.log.debug("Error processing SSL request.")
self.handle_error(req, client_sock, addr, e)
except socket.error as e:
if get_errno(e) not in BROKEN_SOCK:
self.log.exception("Socket error processing request.")
else:
if get_errno(e) == errno.ECONNRESET:
self.log.debug("Ignoring connection reset")
else:
self.log.debug("Ignoring EPIPE")
except Exception as e:
self.handle_error(req, client_sock, addr, e)
finally:
util.close(client_sock)
def handle(self, listener, client, addr):
req = None
try:
parser = http.RequestParser(self.cfg, client)
try:
listener_name = listener.getsockname()
if not self.cfg.keepalive:
req = six.next(parser)
self.handle_request(listener_name, req, client, addr)
else:
# keepalive loop
proxy_protocol_info = {}
while True:
req = None
with self.timeout_ctx():
req = six.next(parser)
if not req:
break
if req.proxy_protocol_info:
proxy_protocol_info = req.proxy_protocol_info
else:
req.proxy_protocol_info = proxy_protocol_info
self.handle_request(listener_name, req, client, addr)
except http.errors.NoMoreData as e:
self.log.debug("Ignored premature client disconnection. %s", e)
except StopIteration as e:
self.log.debug("Closing connection. %s", e)
except ssl.SSLError:
exc_info = sys.exc_info()
# pass to next try-except level
six.reraise(exc_info[0], exc_info[1], exc_info[2])
except socket.error:
exc_info = sys.exc_info()
# pass to next try-except level
six.reraise(exc_info[0], exc_info[1], exc_info[2])
except Exception as e:
self.handle_error(req, client, addr, e)
except ssl.SSLError as e:
if e.args[0] == ssl.SSL_ERROR_EOF:
self.log.debug("ssl connection closed")
client.close()
else:
self.log.debug("Error processing SSL request.")
self.handle_error(req, client, addr, e)
except socket.error as e:
if e.args[0] not in (errno.EPIPE, errno.ECONNRESET):
self.log.exception("Socket error processing request.")
else:
if e.args[0] == errno.ECONNRESET:
self.log.debug("Ignoring connection reset")
else:
self.log.debug("Ignoring EPIPE")
except Exception as e:
self.handle_error(req, client, addr, e)
finally:
util.close(client)
def run(self):
# init listeners, add them to the event loop
for s in self.sockets:
s.setblocking(False)
self.poller.register(s, selectors.EVENT_READ, self.accept)
timeout = self.cfg.timeout or 0.5
while self.alive:
# If our parent changed then we shut down.
if self.ppid != os.getppid():
self.log.info("Parent changed, shutting down: %s", self)
return
# notify the arbiter we are alive
self.notify()
events = self.poller.select(0.2)
for key, mask in events:
callback = key.data
callback(key.fileobj)
# hanle keepalive timeouts
self.murder_keepalived()
# if we more connections than the max number of connections
# accepted on a worker, wait until some complete or exit.
if len(self.futures) >= self.worker_connections:
res = futures.wait(self.futures, timeout=timeout)
if not res:
self.log.info("max requests achieved")
break
# shutdown the pool
self.poller.close()
self.tpool.shutdown(False)
# wait for the workers
futures.wait(self.futures, timeout=self.cfg.graceful_timeout)
# if we have still fures running, try to close them
while True:
try:
fs = self.futures.popleft()
except IndexError:
break
sock = fs.conn.sock
# the future is not running, cancel it
if not fs.done() and not fs.running():
fs.cancel()
# make sure we close the sockets after the graceful timeout
util.close(sock)
def run(self):
# init listeners, add them to the event loop
for s in self.sockets:
s.setblocking(False)
self.poller.register(s, selectors.EVENT_READ, self.accept)
timeout = self.cfg.timeout or 0.5
while self.alive:
# If our parent changed then we shut down.
if self.ppid != os.getppid():
self.log.info("Parent changed, shutting down: %s", self)
return
# notify the arbiter we are alive
self.notify()
events = self.poller.select(0.2)
for key, mask in events:
callback = key.data
callback(key.fileobj)
# hanle keepalive timeouts
self.murder_keepalived()
# if we more connections than the max number of connections
# accepted on a worker, wait until some complete or exit.
if len(self.futures) >= self.worker_connections:
res = futures.wait(self.futures, timeout=timeout)
if not res:
self.log.info("max requests achieved")
break
# shutdown the pool
self.poller.close()
self.tpool.shutdown(False)
# wait for the workers
futures.wait(self.futures, timeout=self.cfg.graceful_timeout)
# if we have still fures running, try to close them
while True:
try:
fs = self.futures.popleft()
except IndexError:
break
sock = fs.conn.sock
# the future is not running, cancel it
if not fs.done() and not fs.running():
fs.cancel()
# make sure we close the sockets after the graceful timeout
util.close(sock)
def handle(self, client, addr):
util.close_on_exec(client)
try:
req = http.HttpRequest(client, addr, self.address)
response = self.app(req.read(), req.start_response)
http.HttpResponse(client, response, req).send()
except Exception, e:
# TODO: try to send something if an error happend
self.log.exception("Error processing request. [%s]" % str(e))
# try to send something if an error happend
util.close(client)
def handle(self, client, addr):
self.close_on_exec(client)
try:
req = http.HTTPRequest(client, addr, self.address)
response = self.app(req.read(), req.start_response)
http.HTTPResponse(client, response, req).send()
except Exception, e:
self.log.exception("Error processing request. [%s]" % str(e))
# try to send something if an error happend
msg = "HTTP/1.1 500 Internal Server Error\r\n\r\n"
util.write_nonblock(client, msg)
util.close(client)
def handle(self, listener, client, addr):
req = None
try:
parser = http.RequestParser(self.cfg, client)
try:
listener_name = listener.getsockname()
if not self.cfg.keepalive:
req = six.next(parser)
self.handle_request(listener_name, req, client, addr)
else:
# keepalive loop
while True:
req = None
with self.timeout_ctx():
req = six.next(parser)
if not req:
break
self.handle_request(listener_name, req, client, addr)
except http.errors.NoMoreData as e:
self.log.debug("Ignored premature client disconnection. %s", e)
except StopIteration as e:
self.log.debug("Closing connection. %s", e)
except ssl.SSLError:
exc_info = sys.exc_info()
# pass to next try-except level
six.reraise(exc_info[0], exc_info[1], exc_info[2])
except socket.error:
exc_info = sys.exc_info()
# pass to next try-except level
six.reraise(exc_info[0], exc_info[1], exc_info[2])
except Exception as e:
self.handle_error(req, client, addr, e)
except ssl.SSLError as e:
if e.args[0] == ssl.SSL_ERROR_EOF:
self.log.debug("ssl connection closed")
client.close()
else:
self.log.debug("Error processing SSL request.")
self.handle_error(req, client, addr, e)
except socket.error as e:
if e.args[0] not in (errno.EPIPE, errno.ECONNRESET):
self.log.exception("Socket error processing request.")
else:
if e.args[0] == errno.ECONNRESET:
self.log.debug("Ignoring connection reset")
else:
self.log.debug("Ignoring EPIPE")
except Exception as e:
self.handle_error(req, client, addr, e)
finally:
util.close(client)
def handle(self, listener, client, addr):
try:
listener_name = listener.getsockname()
self.handle_request(listener_name, client, addr)
except socket.error as e:
if e.args[0] not in (errno.EPIPE, errno.ECONNRESET):
self.log.exception("Socket error processing request.")
else:
if e.args[0] == errno.ECONNRESET:
self.log.debug("Ignoring connection reset")
else:
self.log.debug("Ignoring EPIPE")
except Exception as e:
self.log.error(str(e) + traceback.format_exc())
finally:
util.close(client)
def handle(self, listener, client, addr):
req = None
try:
parser = http.RequestParser(self.cfg, client)
try:
if not self.cfg.keepalive:
req = six.next(parser)
self.handle_request_implemented(listener, req, client, addr)
else:
# keepalive loop
while True:
req = None
with self.timeout_ctx():
req = six.next(parser)
if not req:
break
self.handle_request_implemented(listener, req, client, addr)
except http.errors.NoMoreData as e:
self.log.debug("Ignored premature client disconnection. %s", e)
except StopIteration as e:
self.log.debug("Closing connection. %s", e)
except ssl.SSLError:
raise # pass to next try-except level
except socket.error:
raise # pass to next try-except level
except Exception as e:
self.handle_error(req, client, addr, e)
except ssl.SSLError as e:
if e.args[0] == ssl.SSL_ERROR_EOF:
self.log.debug("ssl connection closed")
client.close()
else:
self.log.debug("Error processing SSL request.")
self.handle_error(req, client, addr, e)
except socket.error as e:
if e.args[0] not in (errno.EPIPE, errno.ECONNRESET):
self.log.exception("Socket error processing request.")
else:
if e.args[0] == errno.ECONNRESET:
self.log.debug("Ignoring connection reset")
else:
self.log.debug("Ignoring EPIPE")
except Exception as e:
self.handle_error(req, client, addr, e)
finally:
util.close(client)
def handle(self, listener, client, addr):
u = Unpacker(encoding='utf8')
again = True
while again:
u.feed(client.recv(4096))
self.notify()
for msg in u:
_, msgid, method, params = msg
try:
r = self.cfg.methods[method](*params)
except Exception as e:
client.sendall(packb([1, msgid, str(e), None]))
else:
client.sendall(packb([1, msgid, None, r]))
finally:
util.close(client)
again = False
def handle(self, client, addr):
req = None
try:
parser = http.RequestParser(self.cfg, client)
req = six.next(parser)
self.handle_request(req, client, addr)
except http.errors.NoMoreData as e:
self.log.debug("Ignored premature client disconnection. %s", e)
except StopIteration as e:
self.log.debug("Closing connection. %s", e)
except socket.error as e:
if e.args[0] != errno.EPIPE:
self.log.exception("Error processing request.")
else:
self.log.debug("Ignoring EPIPE")
except Exception as e:
self.handle_error(req, client, addr, e)
finally:
util.close(client)
def handle(self, client, addr):
req = None
try:
parser = http.RequestParser(self.cfg, client)
req = six.next(parser)
self.handle_request(req, client, addr)
except http.errors.NoMoreData as e:
self.log.debug("Ignored premature client disconnection. %s", e)
except StopIteration as e:
self.log.debug("Closing connection. %s", e)
except socket.error as e:
if e.args[0] != errno.EPIPE:
self.log.exception("Error processing request.")
else:
self.log.debug("Ignoring EPIPE")
except Exception as e:
self.handle_error(req, client, addr, e)
finally:
util.close(client)
def handle(self, listener, client, addr):
self._log('handle client=%s' % str(addr))
req = None
try:
if self.cfg.is_ssl:
client = ssl.wrap_socket(client,
server_side=True,
**self.cfg.ssl_options)
# 仅处理了一个请求, 没有考虑长连接中多个请求的情况?
parser = http.RequestParser(self.cfg, client)
# 解析HTTP报文得到一个请求对象, 会处理请求行, headers, 请求体
req = next(parser)
self.handle_request(listener, req, client, addr)
except http.errors.NoMoreData as e:
self._log("handle Ignored premature client disconnection. %s" % e)
except StopIteration as e:
self._log("handle Closing connection. %s" % e)
except ssl.SSLError as e:
self._log('handle SSLError %s' % e)
if e.args[0] == ssl.SSL_ERROR_EOF:
self.log.debug("ssl connection closed")
client.close()
else:
self.log.debug("Error processing SSL request.")
self.handle_error(req, client, addr, e)
except EnvironmentError as e:
self._log('handle EnvironmentError %s' % e)
# EPIPE: Broken pipe
# ECONNRESET: Connection reset by peer, 是 RST 么?
if e.errno not in (errno.EPIPE, errno.ECONNRESET):
self.log.exception("Socket error processing request.")
else:
if e.errno == errno.ECONNRESET:
self.log.debug("Ignoring connection reset")
else:
self.log.debug("Ignoring EPIPE")
except Exception as e:
self.handle_error(req, client, addr, e)
finally:
util.close(client)
def handle(self, listener, client, address): # noqa: C901, pragma: no cover
"""Handle a request
Method is almost identical to :meth:`gunicorn.workers.sync.SyncWorker` one.
We need to overide this method because we use non blocking socket connections
thus we are more sensitive to :meth:`errno.EAGAIN` errors.
"""
req = None
try:
if self.cfg.is_ssl:
client = ssl.wrap_socket(client, server_side=True, **self.cfg.ssl_options)
parser = http.RequestParser(self.cfg, client)
req = next(parser)
self.handle_request(listener, req, client, address)
except http.errors.NoMoreData as e:
self.log.debug("Ignored premature client disconnection. %s", e)
except StopIteration as e:
self.log.debug("Closing connection. %s", e)
except ssl.SSLError as e:
if e.args[0] == ssl.SSL_ERROR_EOF:
self.log.debug("ssl connection closed")
client.close()
else:
self.log.debug("Error processing SSL request.")
self.handle_error(req, client, address, e)
except EnvironmentError as e:
# Added in ConsenSys-Utils: we do not log exception on :meth:`errno.EAGAIN`
if e.errno not in (errno.EPIPE, errno.ECONNRESET, errno.EAGAIN):
self.log.exception("Socket error processing request.")
else:
if e.errno == errno.ECONNRESET:
self.log.debug("Ignoring connection reset")
elif e.errno == errno.EAGAIN:
self.log.debug("Ignoring EAGAIN")
else:
self.log.debug("Ignoring EPIPE")
except Exception as e:
self.handle_error(req, client, address, e)
finally:
util.close(client)
def send(self):
# send headers
resp_head = [
"HTTP/1.1 %s\r\n" % self.status,
"Server: %s\r\n" % self.SERVER_VERSION,
"Date: %s\r\n" % http_date(),
"Connection: close\r\n"
]
resp_head.extend(["%s: %s\r\n" % (n, v) for n, v in self.headers])
write(self._sock, "%s\r\n" % "".join(resp_head))
for chunk in list(self.data):
if chunk == "": break
write(self._sock, chunk, self.chunked)
if self.chunked:
# send last chunk
write_chunk(self._sock, "")
close(self._sock)
if hasattr(self.data, "close"):
self.data.close()
def send(self):
# send headers
resp_head = []
resp_head.append("HTTP/1.1 %s\r\n" % (self.status))
resp_head.append("Server: %s\r\n" % self.SERVER_VERSION)
resp_head.append("Date: %s\r\n" % http_date())
# broken clients
resp_head.append("Status: %s\r\n" % str(self.status))
# always close the connection
resp_head.append("Connection: close\r\n")
for name, value in self.headers.items():
resp_head.append("%s: %s\r\n" % (name, value))
write(self.sock, "%s\r\n" % "".join(resp_head))
for chunk in list(self.data):
write(self.sock, chunk)
close(self.sock)
if hasattr(self.data, "close"):
self.data.close()
def handle(self, client, addr):
req = None
try:
parser = http.RequestParser(self.cfg, client)
try:
if not self.cfg.keepalive:
req = six.next(parser)
self.handle_request(req, client, addr)
else:
# keepalive loop
while True:
req = None
with self.timeout_ctx():
req = six.next(parser)
if not req:
break
self.handle_request(req, client, addr)
except http.errors.NoMoreData as e:
self.log.debug("Ignored premature client disconnection. %s", e)
except StopIteration as e:
self.log.debug("Closing connection. %s", e)
except socket.error:
raise # pass to next try-except level
except Exception as e:
self.handle_error(req, client, addr, e)
except socket.error as e:
if e.args[0] not in (errno.EPIPE, errno.ECONNRESET):
self.log.exception("Socket error processing request.")
else:
if e.args[0] == errno.ECONNRESET:
self.log.debug("Ignoring connection reset")
else:
self.log.debug("Ignoring EPIPE")
except Exception as e:
self.handle_error(req, client, addr, e)
finally:
util.close(client)
def murder_keepalived(self):
now = time.time()
while True:
try:
conn = self._keep.popleft()
except IndexError:
break
delta = conn.timeout - now
if delta > 0:
self._keep.appendleft(conn)
break
else:
# remove the connection from the queue
try:
conn = self._keep.popleft()
except IndexError:
break
# remove the socket from the poller
self.poller.unregister(conn.sock)
# close the socket
util.close(conn.sock)
def murder_keepalived(self):
now = time.time()
while True:
try:
conn = self._keep.popleft()
except IndexError:
break
delta = conn.timeout - now
if delta > 0:
self._keep.appendleft(conn)
break
else:
# remove the connection from the queue
try:
conn = self._keep.popleft()
except IndexError:
break
# remove the socket from the poller
self.poller.unregister(conn.sock)
# close the socket
util.close(conn.sock)
self.handle_request(req, client, addr)
except StopIteration:
pass
except socket.error, e:
if e[0] not in (errno.EPIPE, errno.ECONNRESET):
self.log.exception("Socket error processing request.")
else:
if e[0] == errno.ECONNRESET:
self.log.debug("Ignoring connection reset")
else:
self.log.debug("Ignoring EPIPE")
except Exception, e:
self.log.exception("General error processing request.")
self.handle_error(client, e)
finally:
util.close(client)
def handle_request(self, req, sock, addr):
try:
self.cfg.pre_request(self, req)
resp, environ = wsgi.create(req, sock, addr, self.address, self.cfg)
self.nr += 1
if self.alive and self.nr >= self.max_requests:
self.log.info("Autorestarting worker after current request.")
resp.force_close()
self.alive = False
respiter = self.wsgi(environ, resp.start_response)
if respiter == ALREADY_HANDLED:
return False
for item in respiter:
resp.write(item)
break
self.handle_request(req, client, addr)
except StopIteration:
pass
except socket.error, e:
if e[0] not in (errno.EPIPE, errno.ECONNRESET):
self.log.exception("Socket error processing request.")
else:
if e[0] == errno.ECONNRESET:
self.log.debug("Ignoring connection reset")
else:
self.log.debug("Ignoring EPIPE")
except Exception, e:
self.handle_error(client, e)
finally:
util.close(client)
def handle_request(self, req, sock, addr):
try:
self.cfg.pre_request(self, req)
request_start = datetime.now()
resp, environ = wsgi.create(req, sock, addr, self.address,
self.cfg)
self.nr += 1
if self.alive and self.nr >= self.max_requests:
self.log.info("Autorestarting worker after current request.")
resp.force_close()
self.alive = False
respiter = self.wsgi(environ, resp.start_response)
if respiter == ALREADY_HANDLED:
return False