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/*******************************************************************************
* Copyright (c) 2009 Ericsson
*
* 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:
* Francois Chouinard - Initial API and implementation
*******************************************************************************/
package org.eclipse.linuxtools.tmf.stubs;
import java.io.BufferedOutputStream;
import java.io.DataOutputStream;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.Random;
/**
* <b><u>CreateTestFiles</u></b>
* <p>
* Create a number of event test files of various lengths.
* <p>
* Events have the following format:
* <ul>
* <li> [timestamp] [source] [type] [ref] [field]*
* <li> There are NB_SOURCES sources and NB_TYPES types.
* <li> The number of fields (0 .. NB_TYPES-1) depends on the event type.
* </ul>
*/
@SuppressWarnings("nls")
public class CreateTestFiles {
// ========================================================================
// Constants
// ========================================================================
private static final String DIRECTORY = "testfiles";
// private static final String FILE_NAMES[] = { "Test-10", "Test-1K", "Test-10K", "Test-100K" };
// private static final int FILE_SIZES[] = { 10 , 1000 , 10000 , 100000 };
private static final String FILE_NAMES[] = { "Test-10K" };
private static final int FILE_SIZES[] = { 10000 };
private static final int NB_SOURCES = 15;
private static final int NB_TYPES = 7;
// ========================================================================
// Constructors
// ========================================================================
/**
* @param args
*/
public static void main(String[] args) {
try {
System.out.println("Creating test files in directory: " + new File(".").getCanonicalPath() + File.separator + DIRECTORY);
} catch (IOException e) {
e.printStackTrace();
}
for (int i = 0; i < FILE_SIZES.length; i++) {
try {
createTestFile("testfiles" + File.separator + "O-" + FILE_NAMES[i], FILE_SIZES[i], true, true);
createTestFile("testfiles" + File.separator + "E-" + FILE_NAMES[i], FILE_SIZES[i], true, false);
createTestFile("testfiles" + File.separator + "R-" + FILE_NAMES[i], FILE_SIZES[i], false, false);
} catch (Exception e) {
}
}
System.out.println("Done.");
}
// ========================================================================
// Operators
// ========================================================================
/**
* @param file
* @param size
* @param monotonic
* @throws FileNotFoundException
* @throws IOException
*/
private static void createTestFile(String file, int size, boolean monotonic, boolean odd) throws FileNotFoundException, IOException {
DataOutputStream out;
System.out.println("Creating " + file);
out = new DataOutputStream(new BufferedOutputStream(new FileOutputStream(file)));
Random generator = new Random(19580427 + size);
long ts = (monotonic && odd) ? -1 : 0;
for (int i = 0; i < size; i++) {
ts += monotonic ? 2 : generator.nextInt(10);
int sourceIndex = i % NB_SOURCES;
int typeIndex = i % NB_TYPES;
out.writeLong(ts); // Timestamp
out.writeUTF("Source-" + sourceIndex); // Source
out.writeUTF("Type-" + typeIndex); // Type
out.writeInt(i + 1); // Reference (event #)
for (int j = 0; j < typeIndex; j++) {
out.writeUTF("Field-" + sourceIndex + "-" + j);
}
}
out.flush();
out.close();
}
}
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