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# Copyright 2016 gRPC authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""HTTP2 Test Server"""
import argparse
import logging
import sys
import twisted
import twisted.internet
import twisted.internet.endpoints
import twisted.internet.reactor
import http2_base_server
import test_goaway
import test_max_streams
import test_ping
import test_rst_after_data
import test_rst_after_header
import test_rst_during_data
import test_data_frame_padding
_TEST_CASE_MAPPING = {
'rst_after_header': test_rst_after_header.TestcaseRstStreamAfterHeader,
'rst_after_data': test_rst_after_data.TestcaseRstStreamAfterData,
'rst_during_data': test_rst_during_data.TestcaseRstStreamDuringData,
'goaway': test_goaway.TestcaseGoaway,
'ping': test_ping.TestcasePing,
'max_streams': test_max_streams.TestcaseSettingsMaxStreams,
# Positive tests below:
'data_frame_padding': test_data_frame_padding.TestDataFramePadding,
'no_df_padding_sanity_test': test_data_frame_padding.TestDataFramePadding,
}
_exit_code = 0
class H2Factory(twisted.internet.protocol.Factory):
def __init__(self, testcase):
logging.info('Creating H2Factory for new connection (%s)', testcase)
self._num_streams = 0
self._testcase = testcase
def buildProtocol(self, addr):
self._num_streams += 1
logging.info('New Connection: %d' % self._num_streams)
if not _TEST_CASE_MAPPING.has_key(self._testcase):
logging.error('Unknown test case: %s' % self._testcase)
assert(0)
else:
t = _TEST_CASE_MAPPING[self._testcase]
if self._testcase == 'goaway':
return t(self._num_streams).get_base_server()
elif self._testcase == 'no_df_padding_sanity_test':
return t(use_padding=False).get_base_server()
else:
return t().get_base_server()
def parse_arguments():
parser = argparse.ArgumentParser()
parser.add_argument('--base_port', type=int, default=8080,
help='base port to run the servers (default: 8080). One test server is '
'started on each incrementing port, beginning with base_port, in the '
'following order: data_frame_padding,goaway,max_streams,'
'no_df_padding_sanity_test,ping,rst_after_data,rst_after_header,'
'rst_during_data'
)
return parser.parse_args()
def listen(endpoint, test_case):
deferred = endpoint.listen(H2Factory(test_case))
def listen_error(reason):
# If listening fails, we stop the reactor and exit the program
# with exit code 1.
global _exit_code
_exit_code = 1
logging.error('Listening failed: %s' % reason.value)
twisted.internet.reactor.stop()
deferred.addErrback(listen_error)
def start_test_servers(base_port):
""" Start one server per test case on incrementing port numbers
beginning with base_port """
index = 0
for test_case in sorted(_TEST_CASE_MAPPING.keys()):
portnum = base_port + index
logging.warning('serving on port %d : %s'%(portnum, test_case))
endpoint = twisted.internet.endpoints.TCP4ServerEndpoint(
twisted.internet.reactor, portnum, backlog=128)
# Wait until the reactor is running before calling endpoint.listen().
twisted.internet.reactor.callWhenRunning(listen, endpoint, test_case)
index += 1
if __name__ == '__main__':
logging.basicConfig(
format='%(levelname) -10s %(asctime)s %(module)s:%(lineno)s | %(message)s',
level=logging.INFO)
args = parse_arguments()
start_test_servers(args.base_port)
twisted.internet.reactor.run()
sys.exit(_exit_code)
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