1 /*
2  * Copyright (C) 2023 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 com.android.server.thread;
18 
19 import android.os.ParcelFileDescriptor;
20 
21 import java.io.IOException;
22 
23 /** Controller for the infrastructure network interface. */
24 public class InfraInterfaceController {
25     private static final String TAG = "InfraIfController";
26 
27     static {
28         System.loadLibrary("service-thread-jni");
29     }
30 
31     /**
32      * Creates a socket on the infrastructure network interface for sending/receiving ICMPv6
33      * Neighbor Discovery messages.
34      *
35      * @param infraInterfaceName the infrastructure network interface name.
36      * @return an ICMPv6 socket file descriptor on the Infrastructure network interface.
37      * @throws IOException when fails to create the socket.
38      */
createIcmp6Socket(String infraInterfaceName)39     public ParcelFileDescriptor createIcmp6Socket(String infraInterfaceName) throws IOException {
40         return ParcelFileDescriptor.adoptFd(nativeCreateIcmp6Socket(infraInterfaceName));
41     }
42 
nativeCreateIcmp6Socket(String interfaceName)43     private static native int nativeCreateIcmp6Socket(String interfaceName) throws IOException;
44 }
45