| """ |
| Module containing a small client which connects to the broker and |
| gets the broker connection properties so as to identify the broker. |
| """ |
| |
| # |
| # Licensed to the Apache Software Foundation (ASF) under one |
| # or more contributor license agreements. See the NOTICE file |
| # distributed with this work for additional information |
| # regarding copyright ownership. The ASF licenses this file |
| # to you 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. |
| # |
| |
| import proton.handlers |
| import proton.reactor |
| from qpid_interop_test.qit_errors import InteropTestError |
| |
| class Client(proton.handlers.MessagingHandler): |
| """ |
| Client to connect to broker and collect connection properties, used to identify the test broker |
| """ |
| def __init__(self, url): |
| super(Client, self).__init__() |
| self.url = url |
| self.remote_properties = None |
| |
| def on_start(self, event): |
| """Event loop start""" |
| event.container.connect(url=self.url, sasl_enabled=False, reconnect=False) |
| |
| def on_connection_remote_open(self, event): |
| """Callback for remote connection open""" |
| self.remote_properties = event.connection.remote_properties |
| event.connection.close() |
| |
| def get_connection_properties(self): |
| """Return the connection properties""" |
| return self.remote_properties |
| |
| def on_transport_error(self, event): |
| raise InteropTestError('ERROR: broker not found at %s' % self.url) |
| |
| def get_broker_properties(broker_url): |
| """Start client, then return its connection properties""" |
| msg_handler = Client(broker_url) |
| proton.reactor.Container(msg_handler).run() |
| return msg_handler.get_connection_properties() |