| /* |
| * Copyright (C) 2022 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package com.android.server.net; |
| |
| import com.android.net.module.util.Struct; |
| import com.android.net.module.util.Struct.Field; |
| import com.android.net.module.util.Struct.Type; |
| |
| /** |
| * The value of bpf interface index map which is used for NetworkStatsService. |
| */ |
| public class InterfaceMapValue extends Struct { |
| @Field(order = 0, type = Type.ByteArray, arraysize = 16) |
| public final byte[] interfaceName; |
| |
| public InterfaceMapValue(String iface) { |
| final byte[] ifaceArray = iface.getBytes(); |
| interfaceName = new byte[16]; |
| // All array bytes after the interface name, if any, must be 0. |
| System.arraycopy(ifaceArray, 0, interfaceName, 0, ifaceArray.length); |
| } |
| } |