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53 lines
1.8 KiB
53 lines
1.8 KiB
4 months ago
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/*
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* Copyright (C) 2016 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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package android.hidl.token@1.0;
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/**
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* This facilitates converting hidl interfaces into something that
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* are more easily transferrable to other processes.
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*/
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interface ITokenManager {
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/**
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* Register an interface. The server must keep a strong reference
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* to the interface until the token is destroyed by calling unregister.
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*
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* Must return empty token on failure.
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*
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* @param store Interface which can later be fetched with the returned token.
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* @return token Opaque value which may be used as inputs to other functions.
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*/
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createToken(interface store) generates (vec<uint8_t>token);
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/**
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* Destory a token and the strong reference to the associated interface.
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*
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* @param token Token received from createToken
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* @return success Whether or not the token was successfully unregistered.
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*/
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unregister(vec<uint8_t> token) generates (bool success);
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/**
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* Fetch an interface from a provided token.
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*
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* @param token Token received from createToken
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* @return store Interface registered with createToken and the corresponding
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* token or nullptr.
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*/
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get(vec<uint8_t> token) generates (interface store);
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};
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