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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: | |
10 | * Francois Chouinard - Initial API and implementation | |
11 | *******************************************************************************/ | |
12 | ||
13 | package org.eclipse.linuxtools.tmf; | |
14 | ||
15 | import java.io.BufferedOutputStream; | |
16 | import java.io.DataOutputStream; | |
17 | import java.io.File; | |
18 | import java.io.FileNotFoundException; | |
19 | import java.io.FileOutputStream; | |
20 | import java.io.IOException; | |
21 | import java.util.Random; | |
22 | ||
23 | /** | |
24 | * <b><u>CreateTestFiles</u></b> | |
25 | * <p> | |
26 | * Create a number of event test files of various lengths. | |
27 | * <p> | |
28 | * Events have the following format: | |
29 | * <ul> | |
30 | * <li> [timestamp] [source] [type] [ref] [field]* | |
31 | * <li> There are NB_SOURCES sources and NB_TYPES types. | |
32 | * <li> The number of fields (0 .. NB_TYPES-1) depends on the event type. | |
33 | * </ul> | |
34 | */ | |
35 | public class CreateTestFiles { | |
36 | ||
37 | // ======================================================================== | |
38 | // Constants | |
39 | // ======================================================================== | |
40 | ||
41 | private static final String DIRECTORY = "testfiles"; | |
42 | // private static final String FILE_NAMES[] = { "Test-10", "Test-1K", "Test-10K", "Test-100K" }; | |
43 | // private static final int FILE_SIZES[] = { 10 , 1000 , 10000 , 100000 }; | |
44 | private static final String FILE_NAMES[] = { "Test-10K" }; | |
45 | private static final int FILE_SIZES[] = { 10000 }; | |
46 | ||
47 | private static final int NB_SOURCES = 15; | |
48 | private static final int NB_TYPES = 7; | |
49 | ||
50 | // ======================================================================== | |
51 | // Constructors | |
52 | // ======================================================================== | |
53 | ||
54 | /** | |
55 | * @param args | |
56 | */ | |
57 | public static void main(String[] args) { | |
58 | ||
59 | try { | |
60 | System.out.println("Creating test files in directory: " + new File(".").getCanonicalPath() + File.separator + DIRECTORY); | |
61 | } catch (IOException e) { | |
62 | e.printStackTrace(); | |
63 | } | |
64 | ||
65 | for (int i = 0; i < FILE_SIZES.length; i++) { | |
66 | try { | |
67 | createTestFile("testfiles" + File.separator + "O-" + FILE_NAMES[i], FILE_SIZES[i], true, true); | |
68 | createTestFile("testfiles" + File.separator + "E-" + FILE_NAMES[i], FILE_SIZES[i], true, false); | |
69 | createTestFile("testfiles" + File.separator + "R-" + FILE_NAMES[i], FILE_SIZES[i], false, false); | |
70 | } catch (Exception e) { | |
71 | } | |
72 | } | |
73 | ||
74 | System.out.println("Done."); | |
75 | } | |
76 | ||
77 | // ======================================================================== | |
78 | // Operators | |
79 | // ======================================================================== | |
80 | ||
81 | /** | |
82 | * @param file | |
83 | * @param size | |
84 | * @param monotonic | |
85 | * @throws FileNotFoundException | |
86 | * @throws IOException | |
87 | */ | |
88 | private static void createTestFile(String file, int size, boolean monotonic, boolean odd) throws FileNotFoundException, IOException { | |
89 | DataOutputStream out; | |
90 | System.out.println("Creating " + file); | |
91 | out = new DataOutputStream(new BufferedOutputStream(new FileOutputStream(file))); | |
92 | ||
93 | Random generator = new Random(19580427 + size); | |
94 | long ts = (monotonic && odd) ? -1 : 0; | |
95 | for (int i = 0; i < size; i++) { | |
96 | ts += monotonic ? 2 : generator.nextInt(10); | |
97 | int sourceIndex = i % NB_SOURCES; | |
98 | int typeIndex = i % NB_TYPES; | |
99 | out.writeLong(ts); // Timestamp | |
100 | out.writeUTF("Source-" + sourceIndex); // Source | |
101 | out.writeUTF("Type-" + typeIndex); // Type | |
102 | out.writeInt(i + 1); // Reference (event #) | |
103 | for (int j = 0; j < typeIndex; j++) { | |
104 | out.writeUTF("Field-" + sourceIndex + "-" + j); | |
105 | } | |
106 | } | |
107 | out.flush(); | |
108 | out.close(); | |
109 | } | |
110 | ||
111 | } |