| 1 | /******************************************************************************* |
| 2 | * Copyright (c) 2014 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 | * Vincent Perot - Initial API and implementation |
| 11 | *******************************************************************************/ |
| 12 | |
| 13 | package org.eclipse.tracecompass.pcap.core.tests.file; |
| 14 | |
| 15 | import static org.junit.Assert.assertEquals; |
| 16 | import static org.junit.Assert.assertNull; |
| 17 | import static org.junit.Assert.fail; |
| 18 | import static org.junit.Assume.assumeTrue; |
| 19 | |
| 20 | import java.io.IOException; |
| 21 | |
| 22 | import org.eclipse.tracecompass.internal.pcap.core.packet.BadPacketException; |
| 23 | import org.eclipse.tracecompass.internal.pcap.core.protocol.PcapProtocol; |
| 24 | import org.eclipse.tracecompass.internal.pcap.core.protocol.pcap.PcapPacket; |
| 25 | import org.eclipse.tracecompass.internal.pcap.core.trace.BadPcapFileException; |
| 26 | import org.eclipse.tracecompass.internal.pcap.core.trace.PcapFile; |
| 27 | import org.eclipse.tracecompass.pcap.core.tests.shared.PcapTestTrace; |
| 28 | import org.junit.Test; |
| 29 | |
| 30 | /** |
| 31 | * JUnit Class that tests if packets are read without error. |
| 32 | * |
| 33 | * @author Vincent Perot |
| 34 | */ |
| 35 | public class PcapFileReadTest { |
| 36 | |
| 37 | /** |
| 38 | * Test that verify that packets are well read and that no error happens in |
| 39 | * file index. |
| 40 | * |
| 41 | * @throws BadPcapFileException |
| 42 | * Thrown when the file is erroneous. Fails the test. |
| 43 | * @throws IOException |
| 44 | * Thrown when an IO error occurs. Fails the test. |
| 45 | * @throws BadPacketException |
| 46 | * Thrown when a packet is erroneous. Fails the test. |
| 47 | */ |
| 48 | @Test |
| 49 | public void FileReadTest() throws IOException, BadPcapFileException, BadPacketException { |
| 50 | |
| 51 | PcapTestTrace trace = PcapTestTrace.MOSTLY_UDP; |
| 52 | assumeTrue(trace.exists()); |
| 53 | |
| 54 | try (PcapFile file = new PcapFile(trace.getPath());) { |
| 55 | |
| 56 | PcapPacket packet = file.parseNextPacket(); |
| 57 | if (packet == null) { |
| 58 | fail("FileReadTest() failed!"); |
| 59 | return; |
| 60 | } |
| 61 | |
| 62 | assertEquals(1, file.getCurrentRank()); |
| 63 | // Verify Pcap packet. |
| 64 | assertEquals(file, packet.getPcapFile()); |
| 65 | assertEquals(PcapProtocol.PCAP, packet.getProtocol()); |
| 66 | assertEquals(0, packet.getIndex()); |
| 67 | assertEquals(1120469540839312L, packet.getTimestamp()); |
| 68 | assertEquals(92, packet.getOriginalLength()); |
| 69 | assertEquals(92, packet.getIncludedLength()); |
| 70 | assertEquals(false, packet.isTruncated()); |
| 71 | assertEquals(true, packet.validate()); |
| 72 | // Verify Ethernet Packet |
| 73 | if (!packet.hasProtocol(PcapProtocol.ETHERNET_II)) { |
| 74 | fail("Packet doesn't have ethernet!"); |
| 75 | } |
| 76 | // Verify IPv4 Packet |
| 77 | if (!packet.hasProtocol(PcapProtocol.IPV4)) { |
| 78 | fail("Packet doesn't have IPv4!"); |
| 79 | } |
| 80 | // Verify UDP Packet |
| 81 | if (!packet.hasProtocol(PcapProtocol.UDP)) { |
| 82 | fail("Packet doesn't have UDP!"); |
| 83 | } |
| 84 | // Verify Unknown Packet |
| 85 | if (!packet.hasProtocol(PcapProtocol.UNKNOWN)) { |
| 86 | fail("Packet doesn't have payload!"); |
| 87 | } |
| 88 | |
| 89 | // Parse a "random" packet |
| 90 | file.seekPacket(58); |
| 91 | packet = file.parseNextPacket(); |
| 92 | if (packet == null) { |
| 93 | fail("FileReadTest() failed!"); |
| 94 | return; |
| 95 | } |
| 96 | |
| 97 | // Verify Pcap packet. |
| 98 | assertEquals(file, packet.getPcapFile()); |
| 99 | assertEquals(PcapProtocol.PCAP, packet.getProtocol()); |
| 100 | assertEquals(58, packet.getIndex()); |
| 101 | assertEquals(1120469635045415L, packet.getTimestamp()); |
| 102 | assertEquals(113, packet.getOriginalLength()); |
| 103 | assertEquals(113, packet.getIncludedLength()); |
| 104 | assertEquals(false, packet.isTruncated()); |
| 105 | assertEquals(true, packet.validate()); |
| 106 | // Verify Ethernet Packet |
| 107 | if (!packet.hasProtocol(PcapProtocol.ETHERNET_II)) { |
| 108 | fail("Packet doesn't have ethernet!"); |
| 109 | } |
| 110 | // Verify IPv4 Packet |
| 111 | if (!packet.hasProtocol(PcapProtocol.IPV4)) { |
| 112 | fail("Packet doesn't have IPv4!"); |
| 113 | } |
| 114 | // Verify TCP Packet |
| 115 | if (!packet.hasProtocol(PcapProtocol.TCP)) { |
| 116 | fail("Packet doesn't have TCP!"); |
| 117 | } |
| 118 | // Verify Unknown Packet |
| 119 | if (!packet.hasProtocol(PcapProtocol.UNKNOWN)) { |
| 120 | fail("Packet doesn't have payload!"); |
| 121 | } |
| 122 | |
| 123 | // Skip packet |
| 124 | file.skipNextPacket(); |
| 125 | assertEquals(60, file.getCurrentRank()); |
| 126 | |
| 127 | // Parse outside of file. |
| 128 | file.seekPacket(99999999); |
| 129 | assertEquals(file.getTotalNbPackets(), file.getCurrentRank()); |
| 130 | file.skipNextPacket(); // Should be a no-op |
| 131 | assertEquals(file.getTotalNbPackets(), file.getCurrentRank()); |
| 132 | packet = file.parseNextPacket(); |
| 133 | assertNull(packet); |
| 134 | } |
| 135 | } |
| 136 | } |