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cleanup code
This commit is contained in:
Thomas Kriechbaumer
parent
2cd71091ad
commit
24641d8561
@ -239,6 +239,57 @@ class Http2Layer(Layer):
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# CONNECT for proxying?
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raise NotImplementedError()
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def _handle_event(self, event, source_conn, other_conn, is_server):
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is_server = (conn == self.server_conn.connection)
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if hasattr(event, 'stream_id'):
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if is_server:
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eid = self.server_to_client_stream_ids[event.stream_id]
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else:
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eid = event.stream_id
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if isinstance(event, RequestReceived):
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headers = Headers([[str(k), str(v)] for k, v in event.headers])
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self.streams[eid] = Http2SingleStreamLayer(self, eid, headers)
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self.streams[eid].timestamp_start = time.time()
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self.streams[eid].start()
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elif isinstance(event, ResponseReceived):
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headers = Headers([[str(k), str(v)] for k, v in event.headers])
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self.streams[eid].timestamp_start = time.time()
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self.streams[eid].response_headers = headers
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self.streams[eid].response_arrived.set()
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elif isinstance(event, DataReceived):
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self.streams[eid].data_queue.put(event.data)
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source_conn.h2.safe_increment_flow_control(event.stream_id, len(event.data))
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elif isinstance(event, StreamEnded):
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self.streams[eid].timestamp_end = time.time()
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self.streams[eid].data_finished.set()
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elif isinstance(event, StreamReset):
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self.streams[eid].zombie = time.time()
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if eid in self.streams and event.error_code == 0x8:
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if is_server:
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other_stream_id = self.streams[eid].client_stream_id
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else:
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other_stream_id = self.streams[eid].server_stream_id
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other_conn.h2.safe_reset_stream(other_stream_id, event.error_code)
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elif isinstance(event, RemoteSettingsChanged):
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source_conn.h2.safe_acknowledge_settings(event)
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new_settings = dict([(id, cs.new_value) for (id, cs) in event.changed_settings.iteritems()])
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other_conn.h2.safe_update_settings(new_settings)
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elif isinstance(event, ConnectionTerminated):
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other_conn.h2.safe_close_connection(event.error_code)
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return
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elif isinstance(event, TrailersReceived):
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raise NotImplementedError()
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elif isinstance(event, PushedStreamReceived):
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raise NotImplementedError()
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def _cleanup_streams(self):
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death_time = time.time() - 10
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for stream_id in self.streams.keys():
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zombie = self.streams[stream_id].zombie
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if zombie and zombie <= death_time:
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self.streams.pop(stream_id, None)
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def __call__(self):
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if self.server_conn:
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self._initiate_server_conn()
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@ -254,10 +305,9 @@ class Http2Layer(Layer):
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for conn in r:
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source_conn = self.client_conn if conn == self.client_conn.connection else self.server_conn
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other_conn = self.server_conn if conn == self.client_conn.connection else self.client_conn
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is_server = (conn == self.server_conn.connection)
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fields = struct.unpack("!HB", source_conn.rfile.peek(3))
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length = (fields[0] << 8) + fields[1]
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field = source_conn.rfile.peek(3)
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length = (field[0] << 16) + (field[1] << 8) + field[2]
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raw_frame = source_conn.rfile.safe_read(9 + length)
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with source_conn.h2.lock:
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@ -265,53 +315,9 @@ class Http2Layer(Layer):
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source_conn.send(source_conn.h2.data_to_send())
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for event in events:
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if hasattr(event, 'stream_id'):
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if is_server:
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eid = self.server_to_client_stream_ids[event.stream_id]
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else:
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eid = event.stream_id
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self.handle_event(event, source_conn, other_conn)
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if isinstance(event, RequestReceived):
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headers = Headers([[str(k), str(v)] for k, v in event.headers])
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self.streams[eid] = Http2SingleStreamLayer(self, eid, headers)
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self.streams[eid].timestamp_start = time.time()
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self.streams[eid].start()
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elif isinstance(event, ResponseReceived):
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headers = Headers([[str(k), str(v)] for k, v in event.headers])
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self.streams[eid].timestamp_start = time.time()
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self.streams[eid].response_headers = headers
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self.streams[eid].response_arrived.set()
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elif isinstance(event, DataReceived):
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self.streams[eid].data_queue.put(event.data)
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source_conn.h2.safe_increment_flow_control(event.stream_id, len(event.data))
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elif isinstance(event, StreamEnded):
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self.streams[eid].timestamp_end = time.time()
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self.streams[eid].data_finished.set()
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elif isinstance(event, StreamReset):
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self.streams[eid].zombie = time.time()
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if eid in self.streams and event.error_code == 0x8:
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if is_server:
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other_stream_id = self.streams[eid].client_stream_id
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else:
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other_stream_id = self.streams[eid].server_stream_id
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other_conn.h2.safe_reset_stream(other_stream_id, event.error_code)
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elif isinstance(event, RemoteSettingsChanged):
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source_conn.h2.safe_acknowledge_settings(event)
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new_settings = dict([(id, cs.new_value) for (id, cs) in event.changed_settings.iteritems()])
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other_conn.h2.safe_update_settings(new_settings)
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elif isinstance(event, ConnectionTerminated):
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other_conn.h2.safe_close_connection(event.error_code)
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return
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elif isinstance(event, TrailersReceived):
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raise NotImplementedError()
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elif isinstance(event, PushedStreamReceived):
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raise NotImplementedError()
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death_time = time.time() - 10
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for stream_id in self.streams.keys():
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zombie = self.streams[stream_id].zombie
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if zombie and zombie <= death_time:
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self.streams.pop(stream_id, None)
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self.cleanup_streams()
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class Http2SingleStreamLayer(_HttpLayer, threading.Thread):
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