1 files changed, 70 insertions, 0 deletions
diff --git a/lib/statistics.h b/lib/statistics.h
new file mode 100644
index 00000000..8f974aae
--- /dev/null
+++ b/lib/statistics.h
@@ -0,0 +1,70 @@
+// **************************************************************************
+// * This file is part of the FreeFileSync project. It is distributed under *
+// * GNU General Public License: http://www.gnu.org/licenses/gpl.html       *
+// * Copyright (C) 2008-2011 ZenJu (zhnmju123 AT gmx.de)                    *
+// **************************************************************************
+
+#ifndef STATISTICS_H_INCLUDED
+#define STATISTICS_H_INCLUDED
+
+#include <vector>
+#include <map>
+#include <memory>
+#include <wx/defs.h>
+#include <wx/string.h>
+#include <wx/stopwatch.h>
+
+class RetrieveStatistics
+{
+public:
+    wxDEPRECATED(~RetrieveStatistics()); //generate compiler warnings as a reminder to remove code after measurements
+    void writeEntry(double value, int objects);
+
+private:
+    struct StatEntry
+    {
+        long time;
+        int objects;
+        double value;
+    };
+    std::vector<StatEntry> data;
+    wxStopWatch timer;
+};
+
+
+class Statistics
+{
+public:
+    Statistics(int totalObjectCount,
+               double totalDataAmount,
+               unsigned windowSizeRemainingTime,   //time in ms
+               unsigned windowSizeBytesPerSecond); //time in ms
+
+    void addMeasurement(int objectsCurrent, double dataCurrent);
+    wxString getRemainingTime() const; //returns the remaining time in milliseconds
+    wxString getBytesPerSecond() const;
+
+    void pauseTimer();
+    void resumeTimer();
+
+private:
+    const int      objectsTotal;
+    const double   dataTotal;
+
+    const unsigned windowSizeRemTime; //"window width" of statistics used for calculation of remaining time in ms
+    const unsigned windowSizeBPS;     //
+    const unsigned windowMax;
+
+    struct Record
+    {
+        int objects; //object count
+        double data; //unit: bytes
+    };
+
+    typedef std::multimap<long, Record> TimeRecordMap; //time, unit: milliseconds
+    TimeRecordMap measurements; //
+
+    wxStopWatch timer;
+};
+
+#endif // STATISTICS_H_INCLUDED