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Diffstat (limited to 'qpid/cpp/examples/qmf-console/queuestats.cpp')
| -rw-r--r-- | qpid/cpp/examples/qmf-console/queuestats.cpp | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/qpid/cpp/examples/qmf-console/queuestats.cpp b/qpid/cpp/examples/qmf-console/queuestats.cpp new file mode 100644 index 0000000000..2c38777ad8 --- /dev/null +++ b/qpid/cpp/examples/qmf-console/queuestats.cpp @@ -0,0 +1,142 @@ +/* + * + * 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. + * + */ + +#include "qpid/console/ConsoleListener.h" +#include "qpid/console/SessionManager.h" +#include "qpid/sys/Time.h" + +using namespace std; +using namespace qpid::console; + +// +// Declare a subclass of ConsoleListener to receive asynchronous data. +// +class Listener : public ConsoleListener { + + // + // Declare a map from ObjectId to string to store queue names by their object IDs. + // + typedef map<ObjectId, string> QueueMap; + QueueMap queueMap; +public: + ~Listener() {} + + // + // Receive property updates from the agent. + // + void objectProps(Broker& /*broker*/, Object& object) { + string name = object.attrString("name"); + ObjectId oid = object.getObjectId(); + QueueMap::iterator iter = queueMap.find(oid); + + if (iter == queueMap.end()) { + // + // Object is not in the map. Learn it. + // + cout << "New Queue: " << name << endl; + queueMap[oid] = name; + } + } + + // + // Receive statistic updates from the agent. + // + void objectStats(Broker& /*broker*/, Object& object) { + ObjectId oid = object.getObjectId(); + QueueMap::iterator iter = queueMap.find(oid); + if (iter == queueMap.end()) + // + // Object id is not in the map. We are not interested in this update. + // + return; + + cout << "Stats for: " << iter->second << endl; + cout << " msgTotalEnqueues = " << object.attrUint64("msgTotalEnqueues") << endl; + cout << " msgTotalDequeues = " << object.attrUint64("msgTotalDequeues") << endl; + cout << " msgDepth = " << object.attrUint("msgDepth") << endl; + + if (object.isDeleted()) { + // + // Object was deleted and is in the map. Remove it. + // + cout << "Queue Deleted: " << iter->second << endl; + queueMap.erase(oid); + } + + // + // Note that the object-delete logic is done after processing statistics. + // This allows us to get the "final" statistics for a deleted object. It also + // assures that very short-lived objects are accounted for (i.e. created, used, + // and destroyed all within a single reporting interval). + // + } +}; + +//============================================================== +// Main program +//============================================================== +int main_int(int /*argc*/, char** /*argv*/) +{ + Listener listener; + + // + // Tune the settings for this application: We wish to receive objects but not events. + // By using "userBindings", we can restrict which objects we receive updates for. + // + SessionManager::Settings sessionSettings; + sessionSettings.rcvObjects = true; + sessionSettings.rcvEvents = false; + sessionSettings.rcvHeartbeats = false; + sessionSettings.userBindings = true; + + SessionManager sm(&listener, sessionSettings); + + // + // We want to receive updates only for the broker queue object. + // + sm.bindClass("org.apache.qpid.broker", "queue"); + + // + // Connect to the broker. + // + qpid::client::ConnectionSettings connSettings; + Broker* broker = sm.addBroker(connSettings); + + // + // Sleep while the listener does all the work asynchronously. + // + for (;;) { + qpid::sys::sleep(1); + } + + sm.delBroker(broker); + return 0; +} + +int main(int argc, char** argv) +{ + try { + return main_int(argc, argv); + } catch(std::exception& e) { + cout << "Top Level Exception: " << e.what() << endl; + } +} + |