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      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 libcore.util.Objects;
     20 import java.net.SocketAddress;
     21 
     22 /**
     23  * Netlink socket address.
     24  *
     25  * Corresponds to Linux's {@code struct sockaddr_nl} from
     26  * <a href="https://github.com/torvalds/linux/blob/master/include/uapi/linux/netlink.h">&lt;linux/netlink.h&gt;</a>.
     27  *
     28  * @hide
     29  */
     30 public final class NetlinkSocketAddress extends SocketAddress {
     31     /** port ID */
     32     private final int nlPortId;
     33 
     34     /** multicast groups mask */
     35     private final int nlGroupsMask;
     36 
     37     public NetlinkSocketAddress() {
     38         this(0, 0);
     39     }
     40 
     41     public NetlinkSocketAddress(int nlPortId) {
     42         this(nlPortId, 0);
     43     }
     44 
     45     public NetlinkSocketAddress(int nlPortId, int nlGroupsMask) {
     46         this.nlPortId = nlPortId;
     47         this.nlGroupsMask = nlGroupsMask;
     48     }
     49 
     50     public int getPortId() {
     51         return nlPortId;
     52     }
     53 
     54     public int getGroupsMask() {
     55         return nlGroupsMask;
     56     }
     57 
     58     @Override public String toString() {
     59       return Objects.toString(this);
     60     }
     61 }
     62