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      1 /*******************************************************************************
      2  * Copyright (c) 2000, 2009 IBM Corporation and others.
      3  * All rights reserved. This program and the accompanying materials
      4  * are made available under the terms of the Eclipse Public License v1.0
      5  * which accompanies this distribution, and is available at
      6  * http://www.eclipse.org/legal/epl-v10.html
      7  *
      8  * Contributors:
      9  *     IBM Corporation - initial API and implementation
     10  *******************************************************************************/
     11 package org.eclipse.test.performance.ui;
     12 
     13 import java.io.BufferedOutputStream;
     14 import java.io.File;
     15 import java.io.FileNotFoundException;
     16 import java.io.FileOutputStream;
     17 import java.io.IOException;
     18 import java.io.OutputStream;
     19 import java.io.PrintStream;
     20 import java.util.ArrayList;
     21 import java.util.List;
     22 
     23 import org.eclipse.swt.SWT;
     24 import org.eclipse.swt.graphics.GC;
     25 import org.eclipse.swt.graphics.Image;
     26 import org.eclipse.swt.graphics.ImageData;
     27 import org.eclipse.swt.graphics.ImageLoader;
     28 import org.eclipse.swt.widgets.Display;
     29 import org.eclipse.test.internal.performance.results.db.ConfigResults;
     30 import org.eclipse.test.internal.performance.results.db.DB_Results;
     31 import org.eclipse.test.internal.performance.results.db.PerformanceResults;
     32 import org.eclipse.test.internal.performance.results.db.ScenarioResults;
     33 
     34 /**
     35  * Class used to create scenario fingerprint.
     36  */
     37 public class FingerPrint {
     38 
     39 private static final int GRAPH_WIDTH = 1000;
     40 
     41 	String component;
     42 	PrintStream stream;
     43 	File outputDir;
     44 
     45 public FingerPrint(String name, PrintStream ps, File outputDir) {
     46 	if (!name.startsWith("global")) this.component = name;
     47 	this.stream = ps;
     48 	this.outputDir = outputDir;
     49 }
     50 
     51 /**
     52  * Create and save fingerprints as image and print their reference in the current stream.
     53  *
     54  * @param performanceResults The performance results used to print the fingerprints
     55  */
     56 public void print(final PerformanceResults performanceResults) {
     57 	String buildName = performanceResults.getName();
     58 
     59 	// Compute fingerprint output file name prefix
     60 	int currentUnderscoreIndex = buildName.indexOf('_');
     61 	if  (currentUnderscoreIndex != -1){
     62 		buildName = buildName.substring(0, currentUnderscoreIndex);
     63 	}
     64 	StringBuffer buffer = new StringBuffer("FP_");
     65 	if (this.component != null) {
     66 		buffer.append(this.component);
     67 		buffer.append('_');
     68 	}
     69 	buffer.append(DB_Results.getDbBaselineRefVersion());
     70 	buffer.append('_');
     71 	buffer.append(buildName);
     72 	String filePrefix = buffer.toString();
     73 
     74 	// Print the legend
     75 	this.stream.print("The following fingerprints show results for the most representative tests of the ");
     76 	if (this.component == null) {
     77 		this.stream.print("current build.<br>\n");
     78 	} else {
     79 		this.stream.print(this.component);
     80 		this.stream.print(" component.<br>\n");
     81 	}
     82 	this.stream.print("<table border=\"0\">\n");
     83 	this.stream.print("<tr><td valign=\"top\">Select which kind of scale you want to use:</td>\n");
     84 	this.stream.print("<td valign=\"top\">\n");
     85 	this.stream.print("  <form>\n");
     86 	this.stream.print("    <select onChange=\"toggleFingerprints();\">\n");
     87 	this.stream.print("      <option>percentage</option>\n");
     88 	this.stream.print("      <option>time (linear)</option>\n");
     89 	this.stream.print("      <option>time (log)</option>\n");
     90 	this.stream.print("    </select>\n");
     91 	this.stream.print("  </form>\n");
     92 	this.stream.print("</td>\n");
     93 //	this.stream.print("<td valign=\"top\">\n");
     94 //	this.stream.print("<a href=\"help.html\"><img hspace=\"10\" border=\"0\" src=\""+Utils.LIGHT+"\" title=\"Some tips on fingerprints\"/></a>\n");
     95 //	this.stream.print("</td></tr></table>\n");
     96 	this.stream.print("</tr></table>\n");
     97 	this.stream.print("<img hspace=\"10\" border=\"0\" src=\""+Utils.LIGHT+"\"><a href=\""+Utils.HELP+"\">Help on fingerprints</a>\n");
     98 
     99 	// Print script to reset dropdown list selection
    100 	this.stream.print("<script type=\"text/javascript\">\n");
    101 	this.stream.print("	setFingerprintsType();\n");
    102 	this.stream.print("</script>\n");
    103 
    104 	// Create each fingerprint and save it
    105 	String[] configNames = performanceResults.getConfigNames(false/* not sorted*/);
    106 	String[] configBoxes = performanceResults.getConfigBoxes(false/* not sorted*/);
    107 	int length = configNames.length;
    108 	for (int c=0; c<length; c++) {
    109 		String configName  = configNames[c];
    110 		List scenarios = performanceResults.getComponentSummaryScenarios(this.component, configName);
    111 		if (scenarios == null) continue;
    112 
    113 		// Create BarGraph
    114 		// TODO use FingerPrintGraph instead
    115 		BarGraph barGraph = null;
    116 		List allResults = new ArrayList();
    117 		String defaultDimName = DB_Results.getDefaultDimension().getName();
    118 		for (int i=0, size=scenarios.size(); i<size; i++) {
    119 			ScenarioResults scenarioResults = (ScenarioResults) scenarios.get(i);
    120 			ConfigResults configResults = scenarioResults.getConfigResults(configName);
    121 			if (configResults == null || !configResults.isValid()) continue;
    122 			double[] results = configResults.getCurrentBuildDeltaInfo();
    123 			double percent = -results[0] * 100.0;
    124 			if (results != null && Math.abs(percent) < 200) {
    125 				String name = scenarioResults.getLabel() + " (" + defaultDimName + ")";
    126 				if (!configResults.getCurrentBuildName().equals(buildName)) {
    127 					continue; // the test didn't run on last build, skip it
    128 				}
    129 				if (!configResults.isBaselined()) {
    130 					name = "*" + name + " (" + configResults.getBaselineBuildName() + ")";
    131 				}
    132 				if (barGraph == null) {
    133 					barGraph = new BarGraph(null);
    134 				}
    135 				barGraph.addItem(name,
    136 				    results,
    137 				    configName + "/" + scenarioResults.getFileName() + ".html",
    138 				    configResults.getCurrentBuildResults().getComment(),
    139 				    (Utils.confidenceLevel(results) & Utils.ERR) == 0);
    140 
    141 				// add results
    142 				allResults.add(configResults);
    143 			}
    144 		}
    145 		if (barGraph == null) continue;
    146 
    147 		// Save image file
    148 		String fileName = filePrefix + '.' + configName ;
    149 		File outputFile = new File(this.outputDir, fileName+".gif");
    150 		save(barGraph, outputFile);
    151 
    152 		// Print image file reference in stream
    153 		String boxName = configBoxes[c];
    154 		if (outputFile.exists()) {
    155 			String areas = barGraph.getAreas();
    156 			if (areas == null) areas = "";
    157 			this.stream.print("<h4>");
    158 			this.stream.print(boxName);
    159 			this.stream.print("</h4>\n");
    160 			this.stream.print("<?php\n");
    161 			this.stream.print("	$type=$_SERVER['QUERY_STRING'];\n");
    162 			this.stream.print("	if ($type==\"\" || $type==\"fp_type=0\") {\n");
    163 			this.stream.print("		echo '<img src=\"");
    164 			this.stream.print(fileName);
    165 			this.stream.print(".gif\" usemap=\"#");
    166 			this.stream.print(fileName);
    167 			this.stream.print("\" name=\"");
    168 			this.stream.print(configName);
    169 			this.stream.print("\">';\n");
    170 			this.stream.print("		echo '<map name=\"");
    171 			this.stream.print(fileName);
    172 			this.stream.print("\">';\n");
    173 			this.stream.print(areas);
    174 			this.stream.print("		echo '</map>';\n");
    175 			this.stream.print("	}\n");
    176 		} else {
    177 			this.stream.print("<br><br>There is no fingerprint for ");
    178 			this.stream.print(boxName);
    179 			this.stream.print("<br><br>\n");
    180 		}
    181 
    182 		// Create, paint and print the time bars graph
    183 		FingerPrintGraph graph = new FingerPrintGraph(this.outputDir, fileName, GRAPH_WIDTH, allResults);
    184 		graph.paint(this.stream);
    185 		this.stream.print("?>\n");
    186 	}
    187 }
    188 
    189 /*
    190  * Save the computed bar graph.
    191  */
    192 private void save(BarGraph barGraph, File outputFile) {
    193 
    194 	// Create and paint image
    195 	Display display = Display.getDefault();
    196 	int height = barGraph.getHeight();
    197 	Image image = new Image(display, GRAPH_WIDTH, height);
    198 	GC gc = new GC(image);
    199 	barGraph.paint(display, GRAPH_WIDTH, height, gc);
    200 	gc.dispose();
    201 
    202 	saveImage(outputFile, image);
    203 }
    204 
    205 /**
    206  * @param outputFile
    207  * @param image
    208  */
    209 private void saveImage(File outputFile, Image image) {
    210 	// Save image
    211 	ImageData data = Utils.downSample(image);
    212 	ImageLoader imageLoader = new ImageLoader();
    213 	imageLoader.data = new ImageData[] { data };
    214 
    215 	OutputStream out = null;
    216 	try {
    217 		out = new BufferedOutputStream(new FileOutputStream(outputFile));
    218 		imageLoader.save(out, SWT.IMAGE_GIF);
    219 	} catch (FileNotFoundException e) {
    220 		e.printStackTrace();
    221 	} finally {
    222 		image.dispose();
    223 		if (out != null) {
    224 			try {
    225 				out.close();
    226 			} catch (IOException e1) {
    227 				// silently ignored
    228 			}
    229 		}
    230 	}
    231 }
    232 }
    233