| /* |
| * 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 "common/bidi_queue.h" |
| #include "l2cap/cid.h" |
| #include "l2cap/l2cap_packets.h" |
| |
| namespace bluetooth { |
| namespace l2cap { |
| namespace internal { |
| class Sender; |
| |
| /** |
| * Common interface for internal channel implementation |
| */ |
| class ChannelImpl { |
| public: |
| virtual ~ChannelImpl() = default; |
| |
| /** |
| * Return the queue end for upper layer (L2CAP user) |
| */ |
| virtual common::BidiQueueEnd<packet::BasePacketBuilder, packet::PacketView<packet::kLittleEndian>>* |
| GetQueueUpEnd() = 0; |
| |
| /** |
| * Return the queue end for lower layer (sender and receiver) |
| */ |
| virtual common::BidiQueueEnd<packet::PacketView<packet::kLittleEndian>, packet::BasePacketBuilder>* |
| GetQueueDownEnd() = 0; |
| |
| virtual Cid GetCid() const = 0; |
| |
| virtual Cid GetRemoteCid() const = 0; |
| }; |
| |
| } // namespace internal |
| } // namespace l2cap |
| } // namespace bluetooth |