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d18dd09b ASL |
1 | /******************************************************************************* |
2 | * Copyright (c) 2009 Ericsson | |
3 | * | |
4 | * All rights reserved. This program and the accompanying materials are | |
5 | * made available under the terms of the Eclipse Public License v1.0 which | |
6 | * accompanies this distribution, and is available at | |
7 | * http://www.eclipse.org/legal/epl-v10.html | |
8 | * | |
9 | * Contributors: | |
4c5b8099 | 10 | * Francois Chouinard (fchouinard@gmail.com) - Initial API and implementation |
d18dd09b ASL |
11 | *******************************************************************************/ |
12 | ||
13 | package org.eclipse.linuxtools.tmf; | |
14 | ||
15 | import java.io.BufferedOutputStream; | |
16 | import java.io.DataOutputStream; | |
d18dd09b ASL |
17 | import java.io.FileNotFoundException; |
18 | import java.io.FileOutputStream; | |
19 | import java.io.IOException; | |
d18dd09b ASL |
20 | |
21 | /** | |
22 | * <b><u>CreateTestFiles</u></b> | |
23 | * <p> | |
24 | * Create a number of event test files of various lengths. | |
25 | * <p> | |
26 | * Events have the following format: | |
27 | * <ul> | |
28 | * <li> [timestamp] [source] [type] [ref] [field]* | |
29 | * <li> There are NB_SOURCES sources and NB_TYPES types. | |
30 | * <li> The number of fields (0 .. NB_TYPES-1) depends on the event type. | |
31 | * </ul> | |
32 | */ | |
33 | public class CreateTestFiles { | |
34 | ||
35 | // ======================================================================== | |
36 | // Constants | |
37 | // ======================================================================== | |
38 | ||
4c5b8099 FC |
39 | private static final String FILE_NAMES[] = { "Test-1K", "Test-10K", "Test-100K", "Test-1M"}; |
40 | private static final int FILE_SIZES[] = { 1000, 10000, 100000, 1000000 }; | |
d18dd09b | 41 | |
4c5b8099 FC |
42 | private static final int NB_SOURCES = 3; |
43 | private static final int NB_TYPES = 5; | |
d18dd09b ASL |
44 | |
45 | // ======================================================================== | |
46 | // Constructors | |
47 | // ======================================================================== | |
48 | ||
49 | /** | |
50 | * @param args | |
51 | */ | |
52 | public static void main(String[] args) { | |
d18dd09b ASL |
53 | for (int i = 0; i < FILE_SIZES.length; i++) { |
54 | try { | |
4c5b8099 | 55 | createFile(FILE_NAMES[i], FILE_SIZES[i]); |
d18dd09b ASL |
56 | } catch (Exception e) { |
57 | } | |
58 | } | |
4c5b8099 | 59 | System.out.println("Done."); |
d18dd09b ASL |
60 | } |
61 | ||
62 | // ======================================================================== | |
63 | // Operators | |
64 | // ======================================================================== | |
65 | ||
66 | /** | |
67 | * @param file | |
68 | * @param size | |
d18dd09b ASL |
69 | * @throws FileNotFoundException |
70 | * @throws IOException | |
71 | */ | |
4c5b8099 | 72 | private static void createFile(String file, int size) throws FileNotFoundException, IOException { |
d18dd09b ASL |
73 | DataOutputStream out; |
74 | System.out.println("Creating " + file); | |
75 | out = new DataOutputStream(new BufferedOutputStream(new FileOutputStream(file))); | |
76 | ||
d18dd09b | 77 | for (int i = 0; i < size; i++) { |
d18dd09b ASL |
78 | int sourceIndex = i % NB_SOURCES; |
79 | int typeIndex = i % NB_TYPES; | |
4c5b8099 | 80 | out.writeLong(i); // Timestamp |
d18dd09b ASL |
81 | out.writeUTF("Source-" + sourceIndex); // Source |
82 | out.writeUTF("Type-" + typeIndex); // Type | |
4c5b8099 | 83 | out.writeInt(i); // Reference |
d18dd09b ASL |
84 | for (int j = 0; j < typeIndex; j++) { |
85 | out.writeUTF("Field-" + sourceIndex + "-" + j); | |
86 | } | |
87 | } | |
88 | out.flush(); | |
89 | out.close(); | |
90 | } | |
d18dd09b | 91 | } |