gd/l2cap/internal/enhanced_retransmission_mode_channel_data_controller.h

/*
 * Copyright 2019 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.
 */

#pragma once

#include <memory>
#include <unordered_map>
#include <utility>

#include "common/bidi_queue.h"
#include "l2cap/cid.h"
#include "l2cap/internal/channel_impl.h"
#include "l2cap/internal/data_controller.h"
#include "l2cap/internal/scheduler.h"
#include "l2cap/l2cap_packets.h"
#include "l2cap/mtu.h"
#include "os/handler.h"
#include "os/queue.h"
#include "packet/base_packet_builder.h"
#include "packet/packet_view.h"

namespace bluetooth {
namespace l2cap {
namespace internal {

class ErtmController : public DataController {
 public:
  using UpperEnqueue = packet::PacketView<packet::kLittleEndian>;
  using UpperDequeue = packet::BasePacketBuilder;
  using UpperQueueDownEnd = common::BidiQueueEnd<UpperEnqueue, UpperDequeue>;
  ErtmController(Cid cid, Cid remote_cid, UpperQueueDownEnd* channel_queue_end, os::Handler* handler,
                 Scheduler* scheduler);
  void OnSdu(std::unique_ptr<packet::BasePacketBuilder> sdu) override;
  void OnPdu(BasicFrameView pdu) override;
  std::unique_ptr<BasicFrameBuilder> GetNextPacket() override;

 private:
  [[maybe_unused]] Cid cid_;
  [[maybe_unused]] os::EnqueueBuffer<UpperEnqueue> enqueue_buffer_;
  [[maybe_unused]] os::Handler* handler_;
  std::queue<std::unique_ptr<BasicFrameBuilder>> pdu_queue_;
  [[maybe_unused]] Scheduler* scheduler_;
};

}  // namespace internal
}  // namespace l2cap
}  // namespace bluetooth