1# Copyright 2016 gRPC authors. 2# 3# Licensed under the Apache License, Version 2.0 (the "License"); 4# you may not use this file except in compliance with the License. 5# You may obtain a copy of the License at 6# 7# http://www.apache.org/licenses/LICENSE-2.0 8# 9# Unless required by applicable law or agreed to in writing, software 10# distributed under the License is distributed on an "AS IS" BASIS, 11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12# See the License for the specific language governing permissions and 13# limitations under the License. 14 15import http2_base_server 16 17 18class TestcaseRstStreamDuringData(object): 19 """ 20 In response to an incoming request, this test sends headers, followed by 21 some data, followed by a reset stream frame. Client asserts that the RPC 22 failed and does not deliver the message to the application. 23 """ 24 25 def __init__(self): 26 self._base_server = http2_base_server.H2ProtocolBaseServer() 27 self._base_server._handlers['DataReceived'] = self.on_data_received 28 self._base_server._handlers['SendDone'] = self.on_send_done 29 30 def get_base_server(self): 31 return self._base_server 32 33 def on_data_received(self, event): 34 self._base_server.on_data_received_default(event) 35 sr = self._base_server.parse_received_data(event.stream_id) 36 if sr: 37 response_data = self._base_server.default_response_data( 38 sr.response_size) 39 self._ready_to_send = True 40 response_len = len(response_data) 41 truncated_response_data = response_data[0:response_len / 2] 42 self._base_server.setup_send(truncated_response_data, 43 event.stream_id) 44 45 def on_send_done(self, stream_id): 46 self._base_server.send_reset_stream() 47 self._base_server._stream_status[stream_id] = False 48