| /* |
| * Copyright (C) 2018 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. |
| */ |
| |
| #ifndef _DNS_IDNSTLSSOCKET_H |
| #define _DNS_IDNSTLSSOCKET_H |
| |
| #include <cstddef> |
| #include <cstdint> |
| |
| #include <netdutils/Slice.h> |
| |
| namespace android { |
| namespace net { |
| |
| class IDnsTlsSocketObserver; |
| class DnsTlsSessionCache; |
| |
| // A class for managing a TLS socket that sends and receives messages in |
| // [length][value] format, with a 2-byte length (i.e. DNS-over-TCP format). |
| // This interface is not aware of query-response pairing or anything else about DNS. |
| class IDnsTlsSocket { |
| public: |
| virtual ~IDnsTlsSocket(){}; |
| // Send a query on the provided SSL socket. |query| contains |
| // the body of a query, not including the ID bytes. This function will typically return before |
| // the query is actually sent. If this function fails, the observer will be |
| // notified that the socket is closed. |
| // Note that a true return value indicates successful sending, not receipt of a response. |
| virtual bool query(uint16_t id, const netdutils::Slice query) = 0; |
| |
| virtual bool startHandshake() = 0; |
| }; |
| |
| } // end of namespace net |
| } // end of namespace android |
| |
| #endif // _DNS_IDNSTLSSOCKET_H |