Creating a branch for experimenting with some ideas for JMS client.rajith_jms_client

git-svn-id: https://svn.apache.org/repos/asf/qpid/branches/rajith_jms_client@1128369 13f79535-47bb-0310-9956-ffa450edef68

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
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+++ b/qpid/cpp/examples/qmf-console/queuestats.cpp
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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;
+    }
+}
+