Ref T698, functions to count network VATLIB calls to identify packets

* functions in network classes
* context functions

src/blackcore/network.cpp

@@ -0,0 +1,46 @@
+/* Copyright (C) 2019
+ * swift Project Community / Contributors
+ *
+ * This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
+ * directory of this distribution. No part of swift project, including this file, may be copied, modified, propagated,
+ * or distributed except according to the terms contained in the LICENSE file.
+ */
+
+#include "network.h"
+#include "blackmisc/range.h"
+#include <QStringBuilder>
+
+using namespace BlackMisc;
+
+namespace BlackCore
+{
+    int INetwork::increaseStatisticsValue(const QString &identifier, const QString &appendix)
+    {
+        if (identifier.isEmpty() || !m_statistics) { return -1; }
+        int &v = appendix.isEmpty() ? m_callStatistics[identifier] : m_callStatistics[identifier % u"." % appendix];
+        v++;
+        return v;
+    }
+
+    QString INetwork::getNetworkStatisticsAsText(bool reset, const QString &separator)
+    {
+        QMap<int, QString> transformed;
+        for (const auto pair : makePairsRange(as_const(m_callStatistics)))
+        {
+            // key is pair.first, value is pair.second
+            transformed.insertMulti(pair.second, pair.first);
+        }
+
+        if (reset) { this->clearStatistics(); }
+
+        // sorted by value
+        QString stats;
+        for (const auto pair : makePairsRange(as_const(transformed)))
+        {
+            stats +=
+                (stats.isEmpty() ? QString() : separator) %
+                pair.second % u": " % QString::number(pair.first);
+        }
+        return stats;
+    }
+} // ns