From 6c0bbe5f61f9914edd76bb4fb2bdce5f7f9051c9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kjetil=20=C3=98rbekk?= <kjetil.orbekk@gmail.com>
Date: Tue, 22 May 2012 15:06:17 +0200
Subject: Add Experiment2 server.

---
 .../java/com/orbekk/stats/Experiment2Impl.java     | 58 ++++++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 statserver/src/main/java/com/orbekk/stats/Experiment2Impl.java

diff --git a/statserver/src/main/java/com/orbekk/stats/Experiment2Impl.java b/statserver/src/main/java/com/orbekk/stats/Experiment2Impl.java
new file mode 100644
index 0000000..34ade2f
--- /dev/null
+++ b/statserver/src/main/java/com/orbekk/stats/Experiment2Impl.java
@@ -0,0 +1,58 @@
+package com.orbekk.stats;
+
+import java.io.FileNotFoundException;
+import java.io.PrintWriter;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.logging.Logger;
+
+import com.google.protobuf.RpcCallback;
+import com.google.protobuf.RpcController;
+import com.orbekk.stats.Experiments.Empty;
+import com.orbekk.stats.Experiments.Experiment2;
+import com.orbekk.stats.Experiments.SimpleTiming;
+
+public class Experiment2Impl extends Experiment2 {
+    private final static Logger logger = Logger.getLogger(Experiment2Impl.class.getName());
+    // private List<SimpleTiming> samples = new ArrayList<SimpleTiming>();
+    
+    private HashMap<Integer, List<Double>> samples =
+            new HashMap<Integer, List<Double>>();
+    
+    @Override
+    public synchronized void registerSample(RpcController controller, SimpleTiming request,
+            RpcCallback<Empty> done) {
+        logger.info(request.toString());
+        if (samples.get(request.getNumDevices()) == null) {
+            samples.put(request.getNumDevices(), new ArrayList<Double>());
+        }
+        samples.get(request.getNumDevices()).add(request.getTiming());
+        done.run(Empty.getDefaultInstance());
+    }
+    
+    public void writeSamples(String filename) {
+        PrintWriter printer = null;
+        try {
+            printer = new PrintWriter(filename);
+            System.out.println("Writing results to " + filename);
+            printer.println("# Automatically generated by Experiment2Impl.java");
+            
+            printer.println("# <numDevices> <avg latency> <avg-stddev> <avg+stddev>");
+            for (int numDevices : samples.keySet()) {
+                Analysis data = new Analysis(samples.get(numDevices));
+                double avg = data.getAverage();
+                double stddev = data.getStandardDeviation();
+                printer.println(String.format(
+                        "%d %f %f %f", numDevices, avg, avg-stddev, avg+stddev));
+            }
+            
+        } catch (FileNotFoundException e) {
+            e.printStackTrace();
+        } finally {
+            if (printer != null) {
+                printer.close();
+            }
+        }
+    }
+}
-- 
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