1 files changed, 149 insertions, 0 deletions
diff --git a/vespaclient-java/src/main/java/com/yahoo/vespafeeder/ProgressPrinter.java b/vespaclient-java/src/main/java/com/yahoo/vespafeeder/ProgressPrinter.java
new file mode 100644
index 00000000000..52087d33a47
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+++ b/vespaclient-java/src/main/java/com/yahoo/vespafeeder/ProgressPrinter.java
@@ -0,0 +1,149 @@
+// Copyright 2017 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+package com.yahoo.vespafeeder;
+
+import com.yahoo.clientmetrics.MessageTypeMetricSet;
+import com.yahoo.clientmetrics.RouteMetricSet;
+import com.yahoo.concurrent.Timer;
+import com.yahoo.metrics.Metric;
+import com.yahoo.metrics.MetricSet;
+import com.yahoo.metrics.MetricVisitor;
+import com.yahoo.metrics.SumMetric;
+
+import java.io.IOException;
+import java.io.PrintStream;
+import java.math.RoundingMode;
+import java.text.NumberFormat;
+import java.util.Locale;
+
+/**
+ * Class that takes progress from the feed and prints to a stream.
+ */
+public class ProgressPrinter implements RouteMetricSet.ProgressCallback {
+    private long startTime = 0;
+    private long lastProgressTime = 0;
+    private long lastVerboseProgress = 0;
+    final Timer timer;
+    final PrintStream output;
+
+    public ProgressPrinter(Timer timer, PrintStream output) {
+        this.timer = timer;
+        this.output = output;
+
+        startTime = timer.milliTime();
+        lastProgressTime = startTime;
+        lastVerboseProgress = startTime;
+    }
+
+    class PrintVisitor extends MetricVisitor {
+        final PrintStream out;
+        final NumberFormat format;
+
+        PrintVisitor(PrintStream out) {
+            this.out = out;
+            format = NumberFormat.getNumberInstance(Locale.US);
+            format.setMaximumFractionDigits(2);
+            format.setMinimumFractionDigits(2);
+            format.setMinimumIntegerDigits(1);
+            format.setParseIntegerOnly(false);
+            format.setRoundingMode(RoundingMode.HALF_UP);
+            format.setGroupingUsed(false);
+        }
+
+        @Override
+        public boolean visitMetricSet(MetricSet set, boolean autoGenerated) {
+            if (set instanceof MessageTypeMetricSet && !set.getName().equals("total")) {
+                Metric m = set.getMetric("latency");
+                Metric count = set.getMetric("count");
+                Metric err = set.getMetric("errors.total");
+
+                long okCount = 0, errCount = 0, ignored = 0;
+                long minLatency = 0, maxLatency = 0, avgLatency = 0;
+
+                if (m != null) {
+                    minLatency = m.getLongValue("min");
+                    maxLatency = m.getLongValue("max");
+                    avgLatency = m.getLongValue("average");
+                }
+                if (count != null) {
+                    okCount = count.getLongValue("count");
+                }
+                Metric ignoredMetric = set.getMetric("ignored");
+                if (ignoredMetric != null) {
+                    ignored = ignoredMetric.getLongValue("count");
+                }
+
+                if (err != null) {
+                    errCount = err.getLongValue("count");
+                }
+
+                long timeSinceStart = timer.milliTime() - startTime;
+
+                out.println(((MessageTypeMetricSet)set).getMessageName() + ":\t" +
+                        "ok: " + okCount +
+                        " msgs/sec: " + format.format((double)okCount * 1000 / timeSinceStart) +
+                        " failed: " + errCount +
+                        " ignored: " + ignored +
+                        " latency(min, max, avg): " + minLatency + ", " + maxLatency + ", " + avgLatency);
+            }
+            return true;
+        }
+    }
+
+    public static String getDashes(int count) {
+        String dashes = "";
+        for (int i = 0; i < count; i++) {
+            dashes += "-";
+        }
+
+        return dashes;
+    }
+
+    public synchronized void renderStatusText(RouteMetricSet metrics, PrintStream stream) throws IOException {
+        String headline = "Messages sent to vespa (route " + metrics.getName() + ") :";
+        stream.println(headline);
+        stream.println(getDashes(headline.length()));
+        metrics.visit(new PrintVisitor(stream), false);
+    }
+
+    public long getOkMessageCount(RouteMetricSet metrics) {
+        SumMetric sum = (SumMetric)metrics.getMetric("total");
+
+        MetricSet ms = (MetricSet)sum.generateSum();
+        if (ms != null) {
+            Metric latency = ms.getMetric("latency");
+            if (latency != null) {
+                return latency.getLongValue("count");
+            }
+        }
+
+        return 0;
+    }
+
+    @Override
+    public void onProgress(RouteMetricSet metrics) {
+        try {
+            long timeNow = timer.milliTime();
+
+            if (timeNow - lastVerboseProgress > 30000) {
+                output.println("\n");
+                renderStatusText(metrics, output);
+                lastVerboseProgress = timeNow;
+            } else if (timeNow - lastProgressTime > 1000) {
+                output.print("\rSuccessfully sent " + getOkMessageCount(metrics) + " messages so far");
+                lastProgressTime = timeNow;
+            }
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    @Override
+    public void done(RouteMetricSet metrics) {
+        try {
+            output.println("\n");
+            renderStatusText(metrics, output);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+}