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/*
*
* 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;
}
}
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