63 lines
1.9 KiB
C++
63 lines
1.9 KiB
C++
/*
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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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#pragma once
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#include <atomic>
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#include <string>
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#include <unordered_map>
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#include <unordered_set>
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#include "common/bidi_queue.h"
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#include "common/bind.h"
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#include "common/multi_priority_queue.h"
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#include "l2cap/cid.h"
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#include "l2cap/internal/channel_impl.h"
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#include "l2cap/internal/scheduler.h"
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#include "l2cap/internal/sender.h"
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#include "os/handler.h"
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#include "os/queue.h"
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namespace bluetooth {
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namespace l2cap {
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namespace internal {
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class DataPipelineManager;
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class Fifo : public Scheduler {
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public:
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Fifo(DataPipelineManager* data_pipeline_manager, LowerQueueUpEnd* link_queue_up_end, os::Handler* handler);
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~Fifo();
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void OnPacketsReady(Cid cid, int number_packets) override;
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void SetChannelTxPriority(Cid cid, bool high_priority) override;
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void RemoveChannel(Cid cid) override;
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private:
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DataPipelineManager* data_pipeline_manager_;
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LowerQueueUpEnd* link_queue_up_end_;
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os::Handler* handler_;
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using ChannelAndNumPackets = std::pair<Cid, int>;
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common::MultiPriorityQueue<ChannelAndNumPackets, 2> next_to_dequeue_and_num_packets;
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std::unordered_set<Cid> high_priority_cids_;
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std::atomic_bool link_queue_enqueue_registered_ = false;
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void try_register_link_queue_enqueue();
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std::unique_ptr<LowerEnqueue> link_queue_enqueue_callback();
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};
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} // namespace internal
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} // namespace l2cap
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} // namespace bluetooth
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