1 /* 2 * Copyright 2019 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #pragma once 18 19 #include <memory> 20 #include <unordered_map> 21 #include <utility> 22 23 #include "common/bidi_queue.h" 24 #include "l2cap/cid.h" 25 #include "l2cap/internal/channel_impl.h" 26 #include "l2cap/internal/data_controller.h" 27 #include "l2cap/internal/scheduler.h" 28 #include "l2cap/l2cap_packets.h" 29 #include "l2cap/mtu.h" 30 #include "os/handler.h" 31 #include "os/queue.h" 32 #include "packet/base_packet_builder.h" 33 #include "packet/packet_view.h" 34 35 namespace bluetooth { 36 namespace l2cap { 37 namespace internal { 38 39 class BasicModeDataController : public DataController { 40 public: 41 using UpperEnqueue = packet::PacketView<packet::kLittleEndian>; 42 using UpperDequeue = packet::BasePacketBuilder; 43 using UpperQueueDownEnd = common::BidiQueueEnd<UpperEnqueue, UpperDequeue>; 44 BasicModeDataController(Cid cid, Cid remote_cid, UpperQueueDownEnd* channel_queue_end, os::Handler* handler, 45 Scheduler* scheduler); 46 47 ~BasicModeDataController() override; 48 49 void OnSdu(std::unique_ptr<packet::BasePacketBuilder> sdu) override; 50 51 void OnPdu(packet::PacketView<true> pdu) override; 52 53 std::unique_ptr<packet::BasePacketBuilder> GetNextPacket() override; 54 EnableFcs(bool enabled)55 void EnableFcs(bool enabled) override {} SetRetransmissionAndFlowControlOptions(const RetransmissionAndFlowControlConfigurationOption & option)56 void SetRetransmissionAndFlowControlOptions(const RetransmissionAndFlowControlConfigurationOption& option) override {} 57 58 private: 59 Cid cid_; 60 Cid remote_cid_; 61 os::EnqueueBuffer<UpperEnqueue> enqueue_buffer_; 62 os::Handler* handler_; 63 std::queue<std::unique_ptr<packet::BasePacketBuilder>> pdu_queue_; 64 Scheduler* scheduler_; 65 }; 66 67 } // namespace internal 68 } // namespace l2cap 69 } // namespace bluetooth 70