add the VerboseLoggingHelper class for repeated messages

libraries/shared/src/VerboseLoggingHelper.cpp

@@ -0,0 +1,34 @@
+//
+//  VerboseLoggingHelper.cpp
+//  libraries/shared/src
+//
+//  Created by Stephen Birarda on 2014-10-28.
+//  Copyright 2014 High Fidelity, Inc.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+
+#include <qdebug.h>
+
+#include "VerboseLoggingHelper.h"
+
+VerboseLoggingHelper& VerboseLoggingHelper::getInstance() {
+    static VerboseLoggingHelper sharedInstance;
+    return sharedInstance;
+}
+
+VerboseLoggingHelper::VerboseLoggingHelper() {
+    // setup our timer to flush the verbose logs every 5 seconds
+    _timer = new QTimer(this);
+    connect(_timer, &QTimer::timeout, this, &VerboseLoggingHelper::flushMessages);
+    _timer->start(VERBOSE_LOG_INTERVAL_SECONDS * 1000);
+}
+
+void VerboseLoggingHelper::flushMessages() {
+    QHash<QString, int>::iterator message = _messageCountHash.begin();
+    while (message != _messageCountHash.end()) {
+        qDebug() << message.key().arg(message.value());
+        message = _messageCountHash.erase(message);
+    }
+}

libraries/shared/src/VerboseLoggingHelper.h

@@ -0,0 +1,36 @@
+//
+//  VerboseLoggingHelper.h
+//  libraries/shared/src
+//
+//  Created by Stephen Birarda on 2014-10-28.
+//  Copyright 2014 High Fidelity, Inc.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+
+#ifndef hifi_VerboseLoggingHelper_h
+#define hifi_VerboseLoggingHelper_h
+
+#include <qhash.h>
+#include <qobject.h>
+#include <qtimer.h>
+
+const int VERBOSE_LOG_INTERVAL_SECONDS = 5;
+
+class VerboseLoggingHelper : public QObject {
+    Q_OBJECT
+public:
+    static VerboseLoggingHelper& getInstance();
+    
+    void addMessage(const QString& message) { _messageCountHash[message] += 1; }
+private:
+    VerboseLoggingHelper();
+    
+    void flushMessages();
+    
+    QTimer* _timer;
+    QHash<QString, int> _messageCountHash;
+};
+
+#endif // hifi_VerboseLoggingHelper_h