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Diffstat (limited to 'cpp-0-9/tests/InProcessBroker.h')
| -rw-r--r-- | cpp-0-9/tests/InProcessBroker.h | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/cpp-0-9/tests/InProcessBroker.h b/cpp-0-9/tests/InProcessBroker.h new file mode 100644 index 0000000000..709ca9b953 --- /dev/null +++ b/cpp-0-9/tests/InProcessBroker.h @@ -0,0 +1,169 @@ +#ifndef _tests_InProcessBroker_h +#define _tests_InProcessBroker_h + +/* + * + * Copyright (c) 2006 The Apache Software Foundation + * + * 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. + * + */ +#include <vector> +#include <iostream> +#include <algorithm> + +#include "AMQP_HighestVersion.h" +#include "framing/AMQFrame.h" +#include "broker/Broker.h" +#include "broker/Connection.h" +#include "client/Connector.h" +#include "client/Connection.h" + +namespace qpid { +namespace broker { + +/** Make a copy of a frame body. Inefficient, only intended for tests. */ +// TODO aconway 2007-01-29: from should be const, need to fix +// AMQPFrame::encode as const. +framing::AMQFrame copy(framing::AMQFrame& from) { + framing::Buffer buffer(from.size()); + from.encode(buffer); + buffer.flip(); + framing::AMQFrame result; + result.decode(buffer); + return result; +} + +/** + * A broker that implements client::Connector allowing direct + * in-process connection of client to broker. Used to write round-trip + * tests without requiring an external broker process. + * + * Also allows you to "snoop" on frames exchanged between client & broker. + * + * see FramingTest::testRequestResponseRoundtrip() for example of use. + */ +class InProcessBroker : public client::Connector { + public: + enum Sender {CLIENT,BROKER}; + + struct Frame : public framing::AMQFrame { + Frame(Sender e, const AMQFrame& f) : AMQFrame(f), from(e) {} + bool fromBroker() const { return from == BROKER; } + bool fromClient() const { return from == CLIENT; } + + template <class MethodType> + MethodType* asMethod() { + return dynamic_cast<MethodType*>(getBody().get()); + } + + Sender from; + }; + typedef std::vector<Frame> Conversation; + + InProcessBroker(framing::ProtocolVersion ver= + framing::highestProtocolVersion + ) : + Connector(ver), + protocolInit(ver), + broker(broker::Broker::create()), + brokerOut(BROKER, conversation), + brokerConnection(&brokerOut, *broker), + clientOut(CLIENT, conversation, &brokerConnection) + {} + + ~InProcessBroker() { broker->shutdown(); } + + void connect(const std::string& /*host*/, int /*port*/) {} + void init() { brokerConnection.initiated(&protocolInit); } + void close() {} + + /** Client's input handler. */ + void setInputHandler(framing::InputHandler* handler) { + brokerOut.in = handler; + } + + /** Called by client to send a frame */ + void send(framing::AMQFrame* frame) { + clientOut.send(frame); + } + + /** Entire client-broker conversation is recorded here */ + Conversation conversation; + + private: + /** OutputHandler that forwards data to an InputHandler */ + struct OutputToInputHandler : public sys::ConnectionOutputHandler { + OutputToInputHandler( + Sender from_, Conversation& conversation_, + framing::InputHandler* ih=0 + ) : from(from_), conversation(conversation_), in(ih) {} + + void send(framing::AMQFrame* frame) { + conversation.push_back(Frame(from, copy(*frame))); + in->received(frame); + } + + void close() {} + + Sender from; + Conversation& conversation; + framing::InputHandler* in; + }; + + framing::ProtocolInitiation protocolInit; + Broker::shared_ptr broker; + OutputToInputHandler brokerOut; + broker::Connection brokerConnection; + OutputToInputHandler clientOut; +}; + +std::ostream& operator<<( + std::ostream& out, const InProcessBroker::Frame& frame) +{ + return out << (frame.fromBroker()? "BROKER: ":"CLIENT: ") << + static_cast<const framing::AMQFrame&>(frame); +} +std::ostream& operator<<( + std::ostream& out, const InProcessBroker::Conversation& conv) +{ + for (InProcessBroker::Conversation::const_iterator i = conv.begin(); + i != conv.end(); ++i) + { + out << *i << std::endl; + } + return out; +} + + +}} // namespace qpid::broker + +/** An in-process client+broker all in one. */ +class InProcessBrokerClient : public qpid::client::Connection { + public: + qpid::broker::InProcessBroker broker; + qpid::broker::InProcessBroker::Conversation& conversation; + + /** Constructor creates broker and opens client connection. */ + InProcessBrokerClient(qpid::framing::ProtocolVersion version= + qpid::framing::highestProtocolVersion + ) : broker(version), conversation(broker.conversation) + { + setConnector(broker); + open(""); + } + + ~InProcessBrokerClient() {} +}; + +#endif // _tests_InProcessBroker_h |
