/*******************************************************************************
* Copyright (c) 2000, 2009 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.test.performance.ui;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.io.PrintStream;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.ImageData;
import org.eclipse.swt.graphics.ImageLoader;
import org.eclipse.swt.widgets.Display;
import org.eclipse.test.internal.performance.results.db.ConfigResults;
import org.eclipse.test.internal.performance.results.db.DB_Results;
import org.eclipse.test.internal.performance.results.db.PerformanceResults;
import org.eclipse.test.internal.performance.results.db.ScenarioResults;
/**
* Class used to create scenario fingerprint.
*/
public class FingerPrint {
private static final int GRAPH_WIDTH = 1000;
String component;
PrintStream stream;
File outputDir;
public FingerPrint(String name, PrintStream ps, File outputDir) {
if (!name.startsWith("global")) this.component = name;
this.stream = ps;
this.outputDir = outputDir;
}
/**
* Create and save fingerprints as image and print their reference in the current stream.
*
* @param performanceResults The performance results used to print the fingerprints
*/
public void print(final PerformanceResults performanceResults) {
String buildName = performanceResults.getName();
// Compute fingerprint output file name prefix
int currentUnderscoreIndex = buildName.indexOf('_');
if (currentUnderscoreIndex != -1){
buildName = buildName.substring(0, currentUnderscoreIndex);
}
StringBuffer buffer = new StringBuffer("FP_");
if (this.component != null) {
buffer.append(this.component);
buffer.append('_');
}
buffer.append(DB_Results.getDbBaselineRefVersion());
buffer.append('_');
buffer.append(buildName);
String filePrefix = buffer.toString();
// Print the legend
this.stream.print("The following fingerprints show results for the most representative tests of the ");
if (this.component == null) {
this.stream.print("current build.<br>\n");
} else {
this.stream.print(this.component);
this.stream.print(" component.<br>\n");
}
this.stream.print("<table border=\"0\">\n");
this.stream.print("<tr><td valign=\"top\">Select which kind of scale you want to use:</td>\n");
this.stream.print("<td valign=\"top\">\n");
this.stream.print(" <form>\n");
this.stream.print(" <select onChange=\"toggleFingerprints();\">\n");
this.stream.print(" <option>percentage</option>\n");
this.stream.print(" <option>time (linear)</option>\n");
this.stream.print(" <option>time (log)</option>\n");
this.stream.print(" </select>\n");
this.stream.print(" </form>\n");
this.stream.print("</td>\n");
// this.stream.print("<td valign=\"top\">\n");
// this.stream.print("<a href=\"help.html\"><img hspace=\"10\" border=\"0\" src=\""+Utils.LIGHT+"\" title=\"Some tips on fingerprints\"/></a>\n");
// this.stream.print("</td></tr></table>\n");
this.stream.print("</tr></table>\n");
this.stream.print("<img hspace=\"10\" border=\"0\" src=\""+Utils.LIGHT+"\"><a href=\""+Utils.HELP+"\">Help on fingerprints</a>\n");
// Print script to reset dropdown list selection
this.stream.print("<script type=\"text/javascript\">\n");
this.stream.print(" setFingerprintsType();\n");
this.stream.print("</script>\n");
// Create each fingerprint and save it
String[] configNames = performanceResults.getConfigNames(false/* not sorted*/);
String[] configBoxes = performanceResults.getConfigBoxes(false/* not sorted*/);
int length = configNames.length;
for (int c=0; c<length; c++) {
String configName = configNames[c];
List scenarios = performanceResults.getComponentSummaryScenarios(this.component, configName);
if (scenarios == null) continue;
// Create BarGraph
// TODO use FingerPrintGraph instead
BarGraph barGraph = null;
List allResults = new ArrayList();
String defaultDimName = DB_Results.getDefaultDimension().getName();
for (int i=0, size=scenarios.size(); i<size; i++) {
ScenarioResults scenarioResults = (ScenarioResults) scenarios.get(i);
ConfigResults configResults = scenarioResults.getConfigResults(configName);
if (configResults == null || !configResults.isValid()) continue;
double[] results = configResults.getCurrentBuildDeltaInfo();
double percent = -results[0] * 100.0;
if (results != null && Math.abs(percent) < 200) {
String name = scenarioResults.getLabel() + " (" + defaultDimName + ")";
if (!configResults.getCurrentBuildName().equals(buildName)) {
continue; // the test didn't run on last build, skip it
}
if (!configResults.isBaselined()) {
name = "*" + name + " (" + configResults.getBaselineBuildName() + ")";
}
if (barGraph == null) {
barGraph = new BarGraph(null);
}
barGraph.addItem(name,
results,
configName + "/" + scenarioResults.getFileName() + ".html",
configResults.getCurrentBuildResults().getComment(),
(Utils.confidenceLevel(results) & Utils.ERR) == 0);
// add results
allResults.add(configResults);
}
}
if (barGraph == null) continue;
// Save image file
String fileName = filePrefix + '.' + configName ;
File outputFile = new File(this.outputDir, fileName+".gif");
save(barGraph, outputFile);
// Print image file reference in stream
String boxName = configBoxes[c];
if (outputFile.exists()) {
String areas = barGraph.getAreas();
if (areas == null) areas = "";
this.stream.print("<h4>");
this.stream.print(boxName);
this.stream.print("</h4>\n");
this.stream.print("<?php\n");
this.stream.print(" $type=$_SERVER['QUERY_STRING'];\n");
this.stream.print(" if ($type==\"\" || $type==\"fp_type=0\") {\n");
this.stream.print(" echo '<img src=\"");
this.stream.print(fileName);
this.stream.print(".gif\" usemap=\"#");
this.stream.print(fileName);
this.stream.print("\" name=\"");
this.stream.print(configName);
this.stream.print("\">';\n");
this.stream.print(" echo '<map name=\"");
this.stream.print(fileName);
this.stream.print("\">';\n");
this.stream.print(areas);
this.stream.print(" echo '</map>';\n");
this.stream.print(" }\n");
} else {
this.stream.print("<br><br>There is no fingerprint for ");
this.stream.print(boxName);
this.stream.print("<br><br>\n");
}
// Create, paint and print the time bars graph
FingerPrintGraph graph = new FingerPrintGraph(this.outputDir, fileName, GRAPH_WIDTH, allResults);
graph.paint(this.stream);
this.stream.print("?>\n");
}
}
/*
* Save the computed bar graph.
*/
private void save(BarGraph barGraph, File outputFile) {
// Create and paint image
Display display = Display.getDefault();
int height = barGraph.getHeight();
Image image = new Image(display, GRAPH_WIDTH, height);
GC gc = new GC(image);
barGraph.paint(display, GRAPH_WIDTH, height, gc);
gc.dispose();
saveImage(outputFile, image);
}
/**
* @param outputFile
* @param image
*/
private void saveImage(File outputFile, Image image) {
// Save image
ImageData data = Utils.downSample(image);
ImageLoader imageLoader = new ImageLoader();
imageLoader.data = new ImageData[] { data };
OutputStream out = null;
try {
out = new BufferedOutputStream(new FileOutputStream(outputFile));
imageLoader.save(out, SWT.IMAGE_GIF);
} catch (FileNotFoundException e) {
e.printStackTrace();
} finally {
image.dispose();
if (out != null) {
try {
out.close();
} catch (IOException e1) {
// silently ignored
}
}
}
}
}