1 /* 2 * Copyright (C) 2015 The Android Open Source Project 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 package android.system; 18 19 import dalvik.annotation.compat.UnsupportedAppUsage; 20 import libcore.util.Objects; 21 import java.net.SocketAddress; 22 23 /** 24 * Packet socket address. 25 * 26 * Corresponds to Linux's {@code struct sockaddr_ll}. 27 * 28 * @hide 29 */ 30 @libcore.api.CorePlatformApi 31 public final class PacketSocketAddress extends SocketAddress { 32 /** Protocol. An Ethernet protocol type, e.g., {@code ETH_P_IPV6}. */ 33 public short sll_protocol; 34 35 /** Interface index. */ 36 public int sll_ifindex; 37 38 /** ARP hardware type. One of the {@code ARPHRD_*} constants. */ 39 public short sll_hatype; 40 41 /** Packet type. One of the {@code PACKET_*} constants, such as {@code PACKET_OTHERHOST}. */ 42 public byte sll_pkttype; 43 44 /** Hardware address. */ 45 public byte[] sll_addr; 46 47 /** Constructs a new PacketSocketAddress. */ PacketSocketAddress(short sll_protocol, int sll_ifindex, short sll_hatype, byte sll_pkttype, byte[] sll_addr)48 public PacketSocketAddress(short sll_protocol, int sll_ifindex, 49 short sll_hatype, byte sll_pkttype, byte[] sll_addr) { 50 this.sll_protocol = sll_protocol; 51 this.sll_ifindex = sll_ifindex; 52 this.sll_hatype = sll_hatype; 53 this.sll_pkttype = sll_pkttype; 54 this.sll_addr = sll_addr; 55 } 56 57 /** Constructs a new PacketSocketAddress suitable for binding to. */ 58 @UnsupportedAppUsage 59 @libcore.api.CorePlatformApi PacketSocketAddress(short sll_protocol, int sll_ifindex)60 public PacketSocketAddress(short sll_protocol, int sll_ifindex) { 61 this(sll_protocol, sll_ifindex, (short) 0, (byte) 0, null); 62 } 63 64 /** Constructs a new PacketSocketAddress suitable for sending to. */ 65 @UnsupportedAppUsage 66 @libcore.api.CorePlatformApi PacketSocketAddress(int sll_ifindex, byte[] sll_addr)67 public PacketSocketAddress(int sll_ifindex, byte[] sll_addr) { 68 this((short) 0, sll_ifindex, (short) 0, (byte) 0, sll_addr); 69 } 70 } 71