new stopwatch :-)

timemanager/Stopwatch.cpp

@@ -0,0 +1,61 @@
+/**
+ * @file Stopwatch.cpp
+ *
+ * @date 08.04.2020
+ */
+
+#include <framework/timemanager/Stopwatch.h>
+#include <framework/serviceinterface/ServiceInterfaceStream.h>
+#include <iomanip>
+
+Stopwatch::Stopwatch(bool displayOnDestruction,
+        StopwatchDisplayMode displayMode): displayMode(displayMode),
+        displayOnDestruction(displayOnDestruction) {
+    // Measures start time on initialization.
+    Clock::getUptime(&startTime);
+}
+
+void Stopwatch::start() {
+    startTime = Clock::getUptime();
+}
+
+millis_t Stopwatch::stop() {
+    stopInternal();
+    return elapsedTime.tv_sec * 1000 + elapsedTime.tv_usec / 1000;
+}
+
+seconds_t Stopwatch::stopSeconds() {
+    stopInternal();
+    return timevalOperations::toDouble(elapsedTime);
+}
+
+void Stopwatch::display() {
+    if(displayMode == StopwatchDisplayMode::MILLIS) {
+        info << "Stopwatch: Operation took " << elapsedTime.tv_sec * 1000 +
+                elapsedTime.tv_usec * 1000 << " milliseconds" << std::endl;
+    }
+    else if(displayMode == StopwatchDisplayMode::SECONDS) {
+        info <<"Stopwatch: Operation took "  << std::setprecision(3)
+             << std::fixed << timevalOperations::toDouble(elapsedTime)
+             << " seconds" << std::endl;
+    }
+}
+
+Stopwatch::~Stopwatch() {
+    if(displayOnDestruction) {
+        stopInternal();
+        display();
+    }
+}
+
+void Stopwatch::setDisplayMode(StopwatchDisplayMode displayMode) {
+    this->displayMode = displayMode;
+}
+
+StopwatchDisplayMode Stopwatch::getDisplayMode() const {
+    return displayMode;
+}
+
+void Stopwatch::stopInternal() {
+    elapsedTime = Clock::getUptime() - startTime;
+}