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/*
* 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