| /* |
| * |
| * 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. |
| * |
| */ |
| |
| |
| /**@file |
| * Plug-in message store for tests. |
| * |
| * Add functionality as required, build up a comprehensive set of |
| * features to support persistent behavior tests. |
| * |
| * Current features special "action" messages can: |
| * - raise exception from enqueue. |
| * - force host process to exit. |
| * - do async completion after a delay. |
| */ |
| |
| #include "qpid/broker/NullMessageStore.h" |
| #include "qpid/broker/Broker.h" |
| #include "qpid/log/Statement.h" |
| #include "qpid/Plugin.h" |
| #include "qpid/Options.h" |
| #include <boost/algorithm/string.hpp> |
| #include <boost/cast.hpp> |
| #include <boost/lexical_cast.hpp> |
| |
| using namespace qpid; |
| using namespace broker; |
| using namespace std; |
| using namespace boost; |
| using namespace qpid::sys; |
| |
| struct TestStoreOptions : public Options { |
| |
| string name; |
| |
| TestStoreOptions() : Options("Test Store Options") { |
| addOptions() |
| ("test-store-name", optValue(name, "NAME"), "Name to identify test store instance."); |
| } |
| }; |
| |
| struct Completer : public Runnable { |
| intrusive_ptr<PersistableMessage> message; |
| int usecs; |
| Completer(intrusive_ptr<PersistableMessage> m, int u) : message(m), usecs(u) {} |
| void run() { |
| qpid::sys::usleep(usecs); |
| message->enqueueComplete(); |
| delete this; |
| } |
| }; |
| |
| class TestStore : public NullMessageStore { |
| public: |
| TestStore(const string& name_, Broker& broker_) : name(name_), broker(broker_) {} |
| |
| ~TestStore() { |
| for_each(threads.begin(), threads.end(), boost::bind(&Thread::join, _1)); |
| } |
| |
| void enqueue(TransactionContext* , |
| const boost::intrusive_ptr<PersistableMessage>& msg, |
| const PersistableQueue& ) |
| { |
| string data = polymorphic_downcast<Message*>(msg.get())->getFrames().getContent(); |
| |
| // Check the message for special instructions. |
| size_t i = string::npos; |
| size_t j = string::npos; |
| if (starts_with(data, TEST_STORE_DO) |
| && (i = data.find(name+"[")) != string::npos |
| && (j = data.find("]", i)) != string::npos) |
| { |
| size_t start = i+name.size()+1; |
| string action = data.substr(start, j-start); |
| |
| if (action == EXCEPTION) { |
| throw Exception(QPID_MSG("TestStore " << name << " throwing exception for: " << data)); |
| } |
| else if (action == EXIT_PROCESS) { |
| // FIXME aconway 2009-04-10: this is a dubious way to |
| // close the process at best, it can cause assertions or seg faults |
| // rather than clean exit. |
| QPID_LOG(critical, "TestStore " << name << " forcing process exit for: " << data); |
| exit(0); |
| } |
| else if (starts_with(action, ASYNC)) { |
| std::string delayStr(action.substr(ASYNC.size())); |
| int delay = lexical_cast<int>(delayStr); |
| threads.push_back(Thread(*new Completer(msg, delay))); |
| } |
| else { |
| QPID_LOG(error, "TestStore " << name << " unknown action " << action); |
| msg->enqueueComplete(); |
| } |
| } |
| else |
| msg->enqueueComplete(); |
| } |
| |
| private: |
| static const string TEST_STORE_DO, EXCEPTION, EXIT_PROCESS, ASYNC; |
| string name; |
| Broker& broker; |
| vector<Thread> threads; |
| }; |
| |
| const string TestStore::TEST_STORE_DO = "TEST_STORE_DO: "; |
| const string TestStore::EXCEPTION = "exception"; |
| const string TestStore::EXIT_PROCESS = "exit_process"; |
| const string TestStore::ASYNC="async "; |
| |
| struct TestStorePlugin : public Plugin { |
| |
| TestStoreOptions options; |
| |
| Options* getOptions() { return &options; } |
| |
| void earlyInitialize (Plugin::Target& target) |
| { |
| Broker* broker = dynamic_cast<Broker*>(&target); |
| if (!broker) return; |
| broker->setStore (new TestStore(options.name, *broker)); |
| } |
| |
| void initialize(qpid::Plugin::Target&) {} |
| }; |
| |
| static TestStorePlugin pluginInstance; |