From 0526d5b53abbeb10b9bf682712189dd3f7c352a6 Mon Sep 17 00:00:00 2001
From: jrandom <jrandom>
Date: Sun, 3 Oct 2004 23:53:16 +0000
Subject: [PATCH] cli to splot the stat log
---
.../src/net/i2p/stat/StatLogSplitter.java | 75 +++++++++++++++++++
1 file changed, 75 insertions(+)
create mode 100644 core/java/src/net/i2p/stat/StatLogSplitter.java
diff --git a/core/java/src/net/i2p/stat/StatLogSplitter.java b/core/java/src/net/i2p/stat/StatLogSplitter.java
new file mode 100644
index 0000000000..2a40545402
--- /dev/null
+++ b/core/java/src/net/i2p/stat/StatLogSplitter.java
@@ -0,0 +1,75 @@
+package net.i2p.stat;
+
+import java.io.IOException;
+import java.io.BufferedReader;
+import java.io.FileReader;
+import java.io.FileWriter;
+import java.text.SimpleDateFormat;
+import java.text.ParseException;
+import java.util.Date;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.Map;
+
+
+/**
+ * Simple CLI to splot the stat logs into per-stat files containing
+ * #seconds since beginning and the value (ready for loading into your
+ * favorite plotting tool)
+ */
+public class StatLogSplitter {
+ private static final String DATE_FORMAT = "yyyyMMdd hh:mm:ss.SSS";
+ private static SimpleDateFormat _fmt = new SimpleDateFormat(DATE_FORMAT);
+ public static void main(String args[]) {
+ if (args.length != 1) {
+ System.err.println("Usage: StatLogSplitter filename");
+ return;
+ }
+ splitLog(args[0]);
+ }
+
+ private static void splitLog(String filename) {
+ Map outputFiles = new HashMap(4);
+ try {
+ BufferedReader in = new BufferedReader(new FileReader(filename));
+ String line;
+ long first = 0;
+ while ( (line = in.readLine()) != null) {
+ String date = line.substring(0, DATE_FORMAT.length()).trim();
+ int endGroup = line.indexOf(' ', DATE_FORMAT.length()+1);
+ int endStat = line.indexOf(' ', endGroup+1);
+ int endValue = line.indexOf(' ', endStat+1);
+ String group = line.substring(DATE_FORMAT.length()+1, endGroup).trim();
+ String stat = line.substring(endGroup, endStat).trim();
+ String value = line.substring(endStat, endValue).trim();
+ String duration = line.substring(endValue).trim();
+ //System.out.println(date + " " + group + " " + stat + " " + value + " " + duration);
+
+ try {
+ Date when = _fmt.parse(date);
+ if (first <= 0) first = when.getTime();
+ long val = Long.parseLong(value);
+ long time = Long.parseLong(duration);
+ if (!outputFiles.containsKey(stat)) {
+ outputFiles.put(stat, new FileWriter(stat + ".dat"));
+ System.out.println("Including data to " + stat + ".dat");
+ }
+ FileWriter out = (FileWriter)outputFiles.get(stat);
+ double s = (when.getTime()-first)/1000.0;
+ out.write(s + " " + val + "\n");
+ out.flush();
+ } catch (ParseException pe) {
+ continue;
+ } catch (NumberFormatException nfe){
+ continue;
+ }
+ }
+ } catch (IOException ioe) {
+ ioe.printStackTrace();
+ }
+ for (Iterator iter = outputFiles.values().iterator(); iter.hasNext(); ) {
+ FileWriter out = (FileWriter)iter.next();
+ try { out.close(); } catch (IOException ioe) {}
+ }
+ }
+}
--
GitLab