1 /**
2  * Copyright (c) 2019, 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.net;
18 
19 /**
20  * Callback to provide status changes of keepalive offload.
21  *
22  * @hide
23  */
24 oneway interface ISocketKeepaliveCallback
25 {
26     /** The keepalive was successfully started. */
onStarted()27     void onStarted();
28     /** The keepalive was successfully stopped. */
onStopped()29     void onStopped();
30     /** The keepalive was stopped because of an error. */
onError(int error)31     void onError(int error);
32     /** The keepalive on a TCP socket was stopped because the socket received data. */
onDataReceived()33     void onDataReceived();
34     /** The keepalive was paused by the system because it's not necessary right now. */
onPaused()35     void onPaused();
36     /** The keepalive was resumed by the system after being suspended. */
onResumed()37     void onResumed();
38 }
39