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87 lines
2.5 KiB
87 lines
2.5 KiB
/******************************************************************************
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*
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* Copyright 2019 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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******************************************************************************/
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#pragma once
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#include "common/callback.h"
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#include "os/queue.h"
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namespace bluetooth {
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namespace common {
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template <typename TENQUEUE, typename TDEQUEUE>
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class BidiQueueEnd : public ::bluetooth::os::IQueueEnqueue<TENQUEUE>, public ::bluetooth::os::IQueueDequeue<TDEQUEUE> {
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public:
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using EnqueueCallback = Callback<std::unique_ptr<TENQUEUE>()>;
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using DequeueCallback = Callback<void()>;
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BidiQueueEnd(::bluetooth::os::IQueueEnqueue<TENQUEUE>* tx, ::bluetooth::os::IQueueDequeue<TDEQUEUE>* rx)
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: tx_(tx), rx_(rx) {}
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void RegisterEnqueue(::bluetooth::os::Handler* handler, EnqueueCallback callback) override {
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tx_->RegisterEnqueue(handler, callback);
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}
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void UnregisterEnqueue() override {
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tx_->UnregisterEnqueue();
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}
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void RegisterDequeue(::bluetooth::os::Handler* handler, DequeueCallback callback) override {
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rx_->RegisterDequeue(handler, callback);
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}
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void UnregisterDequeue() override {
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rx_->UnregisterDequeue();
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}
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std::unique_ptr<TDEQUEUE> TryDequeue() override {
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return rx_->TryDequeue();
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}
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private:
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::bluetooth::os::IQueueEnqueue<TENQUEUE>* tx_;
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::bluetooth::os::IQueueDequeue<TDEQUEUE>* rx_;
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};
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template <typename TUP, typename TDOWN>
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class BidiQueue {
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public:
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explicit BidiQueue(size_t capacity)
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: up_queue_(capacity),
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down_queue_(capacity),
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up_end_(&down_queue_, &up_queue_),
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down_end_(&up_queue_, &down_queue_) {}
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BidiQueueEnd<TDOWN, TUP>* GetUpEnd() {
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return &up_end_;
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}
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BidiQueueEnd<TUP, TDOWN>* GetDownEnd() {
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return &down_end_;
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}
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private:
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::bluetooth::os::Queue<TUP> up_queue_;
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::bluetooth::os::Queue<TDOWN> down_queue_;
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BidiQueueEnd<TDOWN, TUP> up_end_;
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BidiQueueEnd<TUP, TDOWN> down_end_;
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};
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} // namespace common
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} // namespace bluetooth
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