Implementation of Network status page

src/wa/server/util/ThroughputCalculator.java

@@ -0,0 +1,51 @@
+package wa.server.util;
+
+/**
+ * Created by Ziver Koc
+ */
+public class ThroughputCalculator {
+    public static final float UPDATES_PER_SEC = 1;
+    public static final double NANOSEC_PER_SECOND = 1000000000.0;
+
+    private boolean updated;
+    private double throughput;
+    private long previousTimeStamp;
+    private long data_amount;
+    private long total_data_amount;
+    private float frequency = UPDATES_PER_SEC;
+
+    public void setTotalHandledData(long bytes){
+        setHandledData(bytes - total_data_amount);
+        total_data_amount = bytes;
+    }
+    public void setHandledData(long bytes){
+        long currentTimeStamp = System.nanoTime();
+        data_amount += bytes;
+        if(currentTimeStamp - (NANOSEC_PER_SECOND/frequency) > previousTimeStamp) {
+            throughput = data_amount / ((currentTimeStamp - previousTimeStamp) / NANOSEC_PER_SECOND);
+            previousTimeStamp = currentTimeStamp;
+            data_amount = 0;
+            updated = true;
+        }
+    }
+
+    public double getByteThroughput(){
+        setHandledData(0); // Update throughput
+        updated = false;
+        return throughput;
+    }
+    public double getBitThroughput(){
+        return getByteThroughput()*8;
+    }
+
+    public boolean isUpdated(){
+        return updated;
+    }
+
+    public void setFrequency(float frequency) {
+        if(frequency < 0)
+            this.frequency = UPDATES_PER_SEC;
+        else
+            this.frequency = frequency;
+    }
+}