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
17package android.net.netlink;
18
19import android.net.netlink.StructNlMsgHdr;
20import android.net.netlink.NetlinkMessage;
21
22import java.nio.ByteBuffer;
23
24
25/**
26 * A NetlinkMessage subclass for netlink error messages.
27 *
28 * @hide
29 */
30public class NetlinkErrorMessage extends NetlinkMessage {
31
32    public static NetlinkErrorMessage parse(StructNlMsgHdr header, ByteBuffer byteBuffer) {
33        final NetlinkErrorMessage errorMsg = new NetlinkErrorMessage(header);
34
35        errorMsg.mNlMsgErr = StructNlMsgErr.parse(byteBuffer);
36        if (errorMsg.mNlMsgErr == null) {
37            return null;
38        }
39
40        return errorMsg;
41    }
42
43    private StructNlMsgErr mNlMsgErr;
44
45    NetlinkErrorMessage(StructNlMsgHdr header) {
46        super(header);
47        mNlMsgErr = null;
48    }
49
50    public StructNlMsgErr getNlMsgError() {
51        return mNlMsgErr;
52    }
53
54    @Override
55    public String toString() {
56        return "NetlinkErrorMessage{ "
57                + "nlmsghdr{" + (mHeader == null ? "" : mHeader.toString()) + "}, "
58                + "nlmsgerr{" + (mNlMsgErr == null ? "" : mNlMsgErr.toString()) + "} "
59                + "}";
60    }
61}
62