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 21 #include "l2cap/l2cap_packets.h" 22 #include "packet/base_packet_builder.h" 23 #include "packet/packet_view.h" 24 25 namespace bluetooth { 26 namespace l2cap { 27 namespace internal { 28 29 class DataController { 30 public: 31 virtual ~DataController() = default; 32 33 // SDU -> PDUs and notify Scheduler 34 virtual void OnSdu(std::unique_ptr<packet::BasePacketBuilder> sdu) = 0; 35 36 // PDUs -> SDU and enqueue to channel queue end 37 virtual void OnPdu(packet::PacketView<true> pdu) = 0; 38 39 // Used by Scheduler to get next PDU 40 virtual std::unique_ptr<packet::BasePacketBuilder> GetNextPacket() = 0; 41 42 // Set FCS mode. This only applies to some modes (ERTM). 43 virtual void EnableFcs(bool enabled) = 0; 44 45 // Set retransmission and flow control. Ignore the mode option because each DataController only handles one mode. 46 // This only applies to some modes (ERTM). 47 virtual void SetRetransmissionAndFlowControlOptions( 48 const RetransmissionAndFlowControlConfigurationOption& option) = 0; 49 }; 50 51 } // namespace internal 52 } // namespace l2cap 53 } // namespace bluetooth 54