Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 1 | /** |
| 2 | * Copyright 2011, Big Switch Networks, Inc. |
| 3 | * Originally created by David Erickson, Stanford University |
| 4 | * |
| 5 | * Licensed under the Apache License, Version 2.0 (the "License"); you may |
| 6 | * not use this file except in compliance with the License. You may obtain |
| 7 | * a copy of the License at |
| 8 | * |
| 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | * |
| 11 | * Unless required by applicable law or agreed to in writing, software |
| 12 | * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| 13 | * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| 14 | * License for the specific language governing permissions and limitations |
| 15 | * under the License. |
| 16 | **/ |
| 17 | |
| 18 | /** |
| 19 | * |
| 20 | */ |
Jonathan Hart | 96892d1 | 2014-03-26 20:21:29 -0700 | [diff] [blame^] | 21 | package net.onrc.onos.packet; |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 22 | |
| 23 | import static org.junit.Assert.assertEquals; |
| 24 | import static org.junit.Assert.assertTrue; |
| 25 | |
| 26 | import java.util.Arrays; |
| 27 | |
Jonathan Hart | 96892d1 | 2014-03-26 20:21:29 -0700 | [diff] [blame^] | 28 | import net.onrc.onos.packet.IPv4; |
| 29 | |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 30 | import org.junit.Assert; |
| 31 | import org.junit.Test; |
| 32 | |
| 33 | /** |
| 34 | * @author David Erickson (daviderickson@cs.stanford.edu) |
| 35 | * |
| 36 | */ |
| 37 | public class IPv4Test { |
| 38 | @Test |
| 39 | public void testToIPv4Address() { |
| 40 | int intIp = 0xc0a80001; |
| 41 | String stringIp = "192.168.0.1"; |
| 42 | byte[] byteIp = new byte[] {(byte)192, (byte)168, (byte)0, (byte)1}; |
| 43 | assertEquals(intIp, IPv4.toIPv4Address(stringIp)); |
| 44 | assertEquals(intIp, IPv4.toIPv4Address(byteIp)); |
| 45 | assertTrue(Arrays.equals(byteIp, IPv4.toIPv4AddressBytes(intIp))); |
| 46 | assertTrue(Arrays.equals(byteIp, IPv4.toIPv4AddressBytes(stringIp))); |
| 47 | } |
| 48 | |
| 49 | @Test |
| 50 | public void testToIPv4AddressBytes() { |
| 51 | byte[] expected = new byte[] {(byte) 0xff, (byte) 0xff, (byte) 0xff, (byte) 0xff}; |
| 52 | Assert.assertArrayEquals(expected, IPv4.toIPv4AddressBytes("255.255.255.255")); |
| 53 | expected = new byte[] {(byte) 0x80, (byte) 0x80, (byte) 0x80, (byte) 0x80}; |
| 54 | Assert.assertArrayEquals(expected, IPv4.toIPv4AddressBytes("128.128.128.128")); |
| 55 | expected = new byte[] {0x7f,0x7f,0x7f,0x7f}; |
| 56 | Assert.assertArrayEquals(expected, IPv4.toIPv4AddressBytes("127.127.127.127")); |
| 57 | } |
| 58 | |
| 59 | @Test |
| 60 | public void testSerialize() { |
| 61 | byte[] expected = new byte[] { 0x45, 0x00, 0x00, 0x14, 0x5e, 0x4e, |
| 62 | 0x00, 0x00, 0x3f, 0x06, 0x31, 0x2e, (byte) 0xac, 0x18, |
| 63 | 0x4a, (byte) 0xdf, (byte) 0xab, 0x40, 0x4a, 0x30 }; |
| 64 | IPv4 packet = new IPv4() |
| 65 | .setIdentification((short) 24142) |
| 66 | .setTtl((byte) 63) |
| 67 | .setProtocol((byte) 0x06) |
| 68 | .setSourceAddress("172.24.74.223") |
| 69 | .setDestinationAddress("171.64.74.48"); |
| 70 | byte[] actual = packet.serialize(); |
| 71 | assertTrue(Arrays.equals(expected, actual)); |
| 72 | } |
| 73 | |
| 74 | @Test |
| 75 | public void testDeserialize() { |
| 76 | // A real TLSv1 packet |
| 77 | byte[] pktSerialized = new byte[] { 0x45, 0x00, |
| 78 | 0x00, 0x2e, 0x41, (byte) 0xbe, 0x40, 0x00, 0x40, 0x06, |
| 79 | (byte) 0xd4, (byte) 0xf0, (byte) 0xc0, (byte) 0xa8, 0x02, (byte) 0xdb, (byte) 0xd0, 0x55, |
| 80 | (byte) 0x90, 0x42, (byte) 0xd5, 0x48, 0x01, (byte) 0xbb, (byte) 0xe3, 0x50, |
| 81 | (byte) 0xb2, 0x2f, (byte) 0xfc, (byte) 0xf8, (byte) 0xa8, 0x2c, 0x50, 0x18, |
| 82 | (byte) 0xff, (byte) 0xff, 0x24, 0x3c, 0x00, 0x00, 0x14, 0x03, |
| 83 | 0x01, 0x00, 0x01, 0x01 |
| 84 | }; |
| 85 | IPv4 packet = new IPv4(); |
| 86 | packet.deserialize(pktSerialized, 0, pktSerialized.length); |
| 87 | byte[] pktSerialized1 = packet.serialize(); |
| 88 | assertTrue(Arrays.equals(pktSerialized, pktSerialized1)); |
| 89 | } |
| 90 | } |