projects / deliverable / tracecompass.git / blame
| Commit | Line | Data |
|---|---|---|
| 5255c030 VP |
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 | ||
| 93d1d135 | 13 | package org.eclipse.linuxtools.internal.pcap.core.protocol.udp; |
| 5255c030 VP |
14 | |
| 15 | import org.eclipse.jdt.annotation.NonNull; | |
| 16 | import org.eclipse.jdt.annotation.Nullable; | |
| 93d1d135 | 17 | import org.eclipse.linuxtools.internal.pcap.core.endpoint.ProtocolEndpoint; |
| 5255c030 VP |
18 | |
| 19 | /** | |
| 20 | * Class that extends the ProtocolEndpoint class. It represents the endpoint at | |
| 21 | * an UDP level. | |
| 22 | * | |
| 23 | * @author Vincent Perot | |
| 24 | */ | |
| 25 | public class UDPEndpoint extends ProtocolEndpoint { | |
| 26 | ||
| 27 | private final int fPort; | |
| 28 | ||
| 29 | /** | |
| 30 | * Constructor of the {@link UDPEndpoint} class. It takes a packet to get | |
| 31 | * its endpoint. Since every packet has two endpoints (source and | |
| 32 | * destination), the isSourceEndpoint parameter is used to specify which | |
| 33 | * endpoint to take. | |
| 34 | * | |
| 35 | * @param packet | |
| 36 | * The packet that contains the endpoints. | |
| 37 | * @param isSourceEndpoint | |
| 38 | * Whether to take the source or the destination endpoint of the | |
| 39 | * packet. | |
| 40 | */ | |
| 41 | public UDPEndpoint(UDPPacket packet, boolean isSourceEndpoint) { | |
| 42 | super(packet, isSourceEndpoint); | |
| 43 | fPort = isSourceEndpoint ? packet.getSourcePort() : packet.getDestinationPort(); | |
| 44 | } | |
| 45 | ||
| 46 | @Override | |
| 47 | public int hashCode() { | |
| 48 | final int prime = 31; | |
| 49 | int result = 1; | |
| 50 | ProtocolEndpoint endpoint = getParentEndpoint(); | |
| 51 | if (endpoint == null) { | |
| 52 | result = 0; | |
| 53 | } else { | |
| 54 | result = endpoint.hashCode(); | |
| 55 | } | |
| 56 | result = prime * result + fPort; | |
| 57 | return result; | |
| 58 | } | |
| 59 | ||
| 60 | @Override | |
| 61 | public boolean equals(@Nullable Object obj) { | |
| 62 | if (this == obj) { | |
| 63 | return true; | |
| 64 | } | |
| 65 | if (!(obj instanceof UDPEndpoint)) { | |
| 66 | return false; | |
| 67 | } | |
| 68 | ||
| 69 | UDPEndpoint other = (UDPEndpoint) obj; | |
| 70 | ||
| 71 | // Check on layer | |
| 72 | boolean localEquals = (fPort == other.fPort); | |
| 73 | if (!localEquals) { | |
| 74 | return false; | |
| 75 | } | |
| 76 | ||
| 77 | // Check above layers. | |
| 78 | ProtocolEndpoint endpoint = getParentEndpoint(); | |
| 79 | if (endpoint != null) { | |
| 80 | return endpoint.equals(other.getParentEndpoint()); | |
| 81 | } | |
| 82 | return true; | |
| 83 | } | |
| 84 | ||
| 85 | @Override | |
| 86 | public String toString() { | |
| 87 | ProtocolEndpoint endpoint = getParentEndpoint(); | |
| 88 | if (endpoint == null) { | |
| 89 | @SuppressWarnings("null") | |
| 90 | @NonNull String ret = String.valueOf(fPort); | |
| 91 | return ret; | |
| 92 | } | |
| 93 | return endpoint.toString() + '/' + fPort; | |
| 94 | } | |
| 95 | ||
| 96 | } |