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 "hci/address_with_type.h" 20 #include "l2cap/cid.h" 21 22 namespace bluetooth { 23 namespace l2cap { 24 namespace internal { 25 26 /** 27 * Common interface for link (Classic ACL and LE) 28 */ 29 class ILink { 30 public: 31 virtual ~ILink() = default; 32 virtual void SendDisconnectionRequest(Cid local_cid, Cid remote_cid) = 0; 33 virtual hci::AddressWithType GetDevice() const = 0; 34 35 // Used by sender to indicate whether there is any pending packet to be sent. 36 // If there is pending packet, don't delete the link. OnPendingPacketChange(Cid local_cid,bool has_packet)37 virtual void OnPendingPacketChange(Cid local_cid, bool has_packet) {} 38 39 // To be used by LE credit based channel data controller over LE link SendLeCredit(Cid local_cid,uint16_t credit)40 virtual void SendLeCredit(Cid local_cid, uint16_t credit) {} 41 42 // Used by A2dp software encoding SetChannelTxPriority(Cid local_cid,bool high_priority)43 virtual void SetChannelTxPriority(Cid local_cid, bool high_priority) {} 44 }; 45 } // namespace internal 46 } // namespace l2cap 47 } // namespace bluetooth 48