1 /*
2  * Copyright (C) 2018 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 #ifndef _DNS_IDNSTLSSOCKETOBSERVER_H
18 #define _DNS_IDNSTLSSOCKETOBSERVER_H
19 
20 namespace android {
21 namespace net {
22 
23 // Interface to listen for DNS query responses on a socket, and to be notified
24 // when the socket is closed by the remote peer.  This is only implemented by
25 // DnsTlsTransport, but it is a separate interface for clarity and to avoid a
26 // circular dependency with DnsTlsSocket.
27 class IDnsTlsSocketObserver {
28   public:
~IDnsTlsSocketObserver()29     virtual ~IDnsTlsSocketObserver(){};
30     virtual void onResponse(std::vector<uint8_t> response) = 0;
31 
32     virtual void onClosed() = 0;
33 };
34 
35 }  // namespace net
36 }  // namespace android
37 
38 #endif  // _DNS_IDNSTLSSOCKETOBSERVER_H
39