| # Copyright 2016, Google Inc. |
| # All rights reserved. |
| # |
| # Redistribution and use in source and binary forms, with or without |
| # modification, are permitted provided that the following conditions are |
| # met: |
| # |
| # * Redistributions of source code must retain the above copyright |
| # notice, this list of conditions and the following disclaimer. |
| # * Redistributions in binary form must reproduce the above |
| # copyright notice, this list of conditions and the following disclaimer |
| # in the documentation and/or other materials provided with the |
| # distribution. |
| # * Neither the name of Google Inc. nor the names of its |
| # contributors may be used to endorse or promote products derived from |
| # this software without specific prior written permission. |
| # |
| # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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| # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| import hyperframe.frame |
| import logging |
| |
| import http2_base_server |
| |
| class TestcaseSettingsMaxStreams(object): |
| """ |
| This test sets MAX_CONCURRENT_STREAMS to 1 and asserts that at any point |
| only 1 stream is active. |
| """ |
| def __init__(self): |
| self._base_server = http2_base_server.H2ProtocolBaseServer() |
| self._base_server._handlers['DataReceived'] = self.on_data_received |
| self._base_server._handlers['ConnectionMade'] = self.on_connection_made |
| |
| def get_base_server(self): |
| return self._base_server |
| |
| def on_connection_made(self): |
| logging.info('Connection Made') |
| self._base_server._conn.initiate_connection() |
| self._base_server._conn.update_settings( |
| {hyperframe.frame.SettingsFrame.MAX_CONCURRENT_STREAMS: 1}) |
| self._base_server.transport.setTcpNoDelay(True) |
| self._base_server.transport.write(self._base_server._conn.data_to_send()) |
| |
| def on_data_received(self, event): |
| self._base_server.on_data_received_default(event) |
| sr = self._base_server.parse_received_data(event.stream_id) |
| if sr: |
| logging.info('Creating response of size = %s' % sr.response_size) |
| response_data = self._base_server.default_response_data(sr.response_size) |
| self._base_server.setup_send(response_data, event.stream_id) |
| # TODO (makdharma): Add assertion to check number of live streams |