1 files changed, 40 insertions, 0 deletions
diff --git a/lib/perf_check.h b/lib/perf_check.h
new file mode 100644
index 00000000..b0d4db89
--- /dev/null
+++ b/lib/perf_check.h
@@ -0,0 +1,40 @@
+// **************************************************************************
+// * 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) ZenJu (zhnmju123 AT gmx DOT de) - All Rights Reserved    *
+// **************************************************************************
+
+#ifndef STATISTICS_H_INCLUDED
+#define STATISTICS_H_INCLUDED
+
+#include <map>
+#include <wx/string.h>
+
+class PerfCheck
+{
+public:
+    PerfCheck(unsigned windowSizeRemainingTime,   //unit: [ms]
+              unsigned windowSizeBytesPerSecond); //
+    ~PerfCheck();
+
+    void addSample(int objectsCurrent, double dataCurrent, long timeMs); //timeMs must be ascending!
+
+    wxString getRemainingTime(double dataRemaining) const;
+    wxString getBytesPerSecond() const; //for window
+    wxString getOverallBytesPerSecond() const; //for all samples
+
+private:
+    const long windowSizeRemTime; //unit: [ms]
+    const long windowSizeBPS;     //
+    const long windowMax;
+
+    struct Record
+    {
+        Record(int objCount, double data) : objCount_(objCount), data_(data) {}
+        int objCount_;
+        double data_; //unit: [bytes]
+    };
+    std::multimap<long, Record> samples; ////time, unit: [ms]
+};
+
+#endif // STATISTICS_H_INCLUDED