Charles M.C. Chan | 197a012 | 2015-04-08 18:15:34 +0800 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2014-2015 Open Networking Laboratory |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | |
| 18 | |
| 19 | package org.onlab.packet; |
| 20 | |
| 21 | import org.junit.BeforeClass; |
| 22 | import org.junit.Test; |
| 23 | |
| 24 | import static org.hamcrest.Matchers.is; |
| 25 | import static org.junit.Assert.assertArrayEquals; |
| 26 | import static org.junit.Assert.assertFalse; |
| 27 | import static org.junit.Assert.assertThat; |
| 28 | import static org.junit.Assert.assertTrue; |
| 29 | |
| 30 | /** |
| 31 | * Tests for class {@link TCP}. |
| 32 | */ |
| 33 | public class TCPTest { |
| 34 | private static final byte[] IPV4_SOURCE_ADDRESS = { |
| 35 | (byte) 192, (byte) 168, (byte) 1, (byte) 1 |
| 36 | }; |
| 37 | private static final byte[] IPV4_DESTINATION_ADDRESS = { |
| 38 | (byte) 192, (byte) 168, (byte) 1, (byte) 2 |
| 39 | }; |
| 40 | private static final byte[] IPV6_SOURCE_ADDRESS = { |
| 41 | (byte) 0xfe, (byte) 0x80, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, |
| 42 | (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x01 |
| 43 | }; |
| 44 | private static final byte[] IPV6_DESTINATION_ADDRESS = { |
| 45 | (byte) 0xfe, (byte) 0x80, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, |
| 46 | (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x02 |
| 47 | }; |
| 48 | |
| 49 | private static IPv4 ipv4 = new IPv4(); |
| 50 | private static IPv6 ipv6 = new IPv6(); |
| 51 | private static byte[] bytePacketTCP4 = { |
| 52 | (byte) 0x00, (byte) 0x50, (byte) 0x00, (byte) 0x60, // src,dst port |
| 53 | (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x10, // seq |
| 54 | (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x20, // ack |
| 55 | (byte) 0x50, (byte) 0x02, // offset,flag |
| 56 | (byte) 0x10, (byte) 0x00, // window |
| 57 | (byte) 0x1b, (byte) 0xae, // checksum |
| 58 | (byte) 0x00, (byte) 0x01 // urgent |
| 59 | }; |
| 60 | private static byte[] bytePacketTCP6 = { |
| 61 | (byte) 0x00, (byte) 0x50, (byte) 0x00, (byte) 0x60, // src,dst port |
| 62 | (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x10, // seq |
| 63 | (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x20, // ack |
| 64 | (byte) 0x50, (byte) 0x02, // offset,flag |
| 65 | (byte) 0x10, (byte) 0x00, // window |
| 66 | (byte) 0xa1, (byte) 0xfd, // checksum |
| 67 | (byte) 0x00, (byte) 0x01 // urgent |
| 68 | }; |
| 69 | |
| 70 | @BeforeClass |
| 71 | public static void setUpBeforeClass() throws Exception { |
| 72 | ipv4.setSourceAddress(IPv4.toIPv4Address(IPV4_SOURCE_ADDRESS)); |
| 73 | ipv4.setDestinationAddress(IPv4.toIPv4Address(IPV4_DESTINATION_ADDRESS)); |
| 74 | ipv4.setProtocol(IPv4.PROTOCOL_TCP); |
| 75 | |
| 76 | ipv6.setSourceAddress(IPV6_SOURCE_ADDRESS); |
| 77 | ipv6.setDestinationAddress(IPV6_DESTINATION_ADDRESS); |
| 78 | ipv6.setNextHeader(IPv6.PROTOCOL_TCP); |
| 79 | } |
| 80 | |
| 81 | /** |
| 82 | * Tests serialize and setters. |
| 83 | */ |
| 84 | @Test |
| 85 | public void testSerialize() { |
| 86 | TCP tcp = new TCP(); |
| 87 | tcp.setSourcePort((short) 0x50); |
| 88 | tcp.setDestinationPort((short) 0x60); |
| 89 | tcp.setSequence(0x10); |
| 90 | tcp.setAcknowledge(0x20); |
| 91 | tcp.setDataOffset((byte) 0x5); |
| 92 | tcp.setFlags((short) 0x2); |
| 93 | tcp.setWindowSize((short) 0x1000); |
| 94 | tcp.setUrgentPointer((short) 0x1); |
| 95 | |
| 96 | tcp.setParent(ipv4); |
| 97 | assertArrayEquals(bytePacketTCP4, tcp.serialize()); |
| 98 | tcp.resetChecksum(); |
| 99 | tcp.setParent(ipv6); |
| 100 | assertArrayEquals(bytePacketTCP6, tcp.serialize()); |
| 101 | } |
| 102 | |
| 103 | /** |
| 104 | * Tests deserialize and getters. |
| 105 | */ |
| 106 | @Test |
| 107 | public void testDeserialize() { |
| 108 | TCP tcp = new TCP(); |
| 109 | tcp.deserialize(bytePacketTCP4, 0, bytePacketTCP4.length); |
| 110 | |
| 111 | assertThat(tcp.getSourcePort(), is((short) 0x50)); |
| 112 | assertThat(tcp.getDestinationPort(), is((short) 0x60)); |
| 113 | assertThat(tcp.getSequence(), is(0x10)); |
| 114 | assertThat(tcp.getAcknowledge(), is(0x20)); |
| 115 | assertThat(tcp.getDataOffset(), is((byte) 0x5)); |
| 116 | assertThat(tcp.getFlags(), is((short) 0x2)); |
| 117 | assertThat(tcp.getWindowSize(), is((short) 0x1000)); |
| 118 | assertThat(tcp.getUrgentPointer(), is((short) 0x1)); |
| 119 | assertThat(tcp.getChecksum(), is((short) 0x1bae)); |
| 120 | } |
| 121 | |
| 122 | /** |
| 123 | * Tests comparator. |
| 124 | */ |
| 125 | @Test |
| 126 | public void testEqual() { |
| 127 | TCP tcp1 = new TCP(); |
| 128 | tcp1.setSourcePort((short) 0x50); |
| 129 | tcp1.setDestinationPort((short) 0x60); |
| 130 | tcp1.setSequence(0x10); |
| 131 | tcp1.setAcknowledge(0x20); |
| 132 | tcp1.setDataOffset((byte) 0x5); |
| 133 | tcp1.setFlags((short) 0x2); |
| 134 | tcp1.setWindowSize((short) 0x1000); |
| 135 | tcp1.setUrgentPointer((short) 0x1); |
| 136 | |
| 137 | TCP tcp2 = new TCP(); |
| 138 | tcp2.setSourcePort((short) 0x70); |
| 139 | tcp2.setDestinationPort((short) 0x60); |
| 140 | tcp2.setSequence(0x10); |
| 141 | tcp2.setAcknowledge(0x20); |
| 142 | tcp2.setDataOffset((byte) 0x5); |
| 143 | tcp2.setFlags((short) 0x2); |
| 144 | tcp2.setWindowSize((short) 0x1000); |
| 145 | tcp2.setUrgentPointer((short) 0x1); |
| 146 | |
| 147 | assertTrue(tcp1.equals(tcp1)); |
| 148 | assertFalse(tcp1.equals(tcp2)); |
| 149 | } |
| 150 | } |