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51 lines
1.7 KiB
51 lines
1.7 KiB
/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef _DNS_IDNSTLSSOCKET_H
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#define _DNS_IDNSTLSSOCKET_H
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#include <cstddef>
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#include <cstdint>
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#include <netdutils/Slice.h>
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namespace android {
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namespace net {
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class IDnsTlsSocketObserver;
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class DnsTlsSessionCache;
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// A class for managing a TLS socket that sends and receives messages in
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// [length][value] format, with a 2-byte length (i.e. DNS-over-TCP format).
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// This interface is not aware of query-response pairing or anything else about DNS.
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class IDnsTlsSocket {
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public:
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virtual ~IDnsTlsSocket(){};
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// Send a query on the provided SSL socket. |query| contains
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// the body of a query, not including the ID bytes. This function will typically return before
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// the query is actually sent. If this function fails, the observer will be
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// notified that the socket is closed.
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// Note that a true return value indicates successful sending, not receipt of a response.
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virtual bool query(uint16_t id, const netdutils::Slice query) = 0;
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virtual bool startHandshake() = 0;
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};
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} // end of namespace net
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} // end of namespace android
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#endif // _DNS_IDNSTLSSOCKET_H
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