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100 lines
2.8 KiB
100 lines
2.8 KiB
/*
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* Copyright 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include "common/bidi_queue.h"
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#include "hci/address.h"
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#include "l2cap/cid.h"
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#include "l2cap/dynamic_channel.h"
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#include "l2cap/internal/channel_impl.h"
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#include "l2cap/internal/ilink.h"
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#include "l2cap/l2cap_packets.h"
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#include "l2cap/mtu.h"
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#include "l2cap/psm.h"
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#include "os/handler.h"
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#include "os/log.h"
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namespace bluetooth {
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namespace l2cap {
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namespace internal {
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class DynamicChannelImpl : public l2cap::internal::ChannelImpl {
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public:
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DynamicChannelImpl(Psm psm, Cid cid, Cid remote_cid, l2cap::internal::ILink* link, os::Handler* l2cap_handler);
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virtual ~DynamicChannelImpl() = default;
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hci::AddressWithType GetDevice() const;
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virtual void RegisterOnCloseCallback(DynamicChannel::OnCloseCallback on_close_callback);
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virtual void Close();
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virtual void OnClosed(hci::ErrorCode status);
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virtual std::string ToString();
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common::BidiQueueEnd<packet::BasePacketBuilder, packet::PacketView<packet::kLittleEndian>>* GetQueueUpEnd() {
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return channel_queue_.GetUpEnd();
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}
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common::BidiQueueEnd<packet::PacketView<packet::kLittleEndian>, packet::BasePacketBuilder>* GetQueueDownEnd() {
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return channel_queue_.GetDownEnd();
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}
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virtual Cid GetCid() const {
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return cid_;
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}
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virtual Cid GetRemoteCid() const {
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return remote_cid_;
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}
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virtual Psm GetPsm() const {
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return psm_;
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}
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virtual void SetChannelTxPriority(bool high_priority) {
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link_->SetChannelTxPriority(cid_, high_priority);
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}
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// TODO(cmanton) Do something a little bit better than this
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bool local_initiated_{false};
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private:
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const Psm psm_;
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const Cid cid_;
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const Cid remote_cid_;
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l2cap::internal::ILink* link_;
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os::Handler* l2cap_handler_;
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const hci::AddressWithType device_;
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// User supported states
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DynamicChannel::OnCloseCallback on_close_callback_{};
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// Internal states
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bool closed_ = false;
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hci::ErrorCode close_reason_ = hci::ErrorCode::SUCCESS;
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static constexpr size_t kChannelQueueSize = 5;
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common::BidiQueue<packet::PacketView<packet::kLittleEndian>, packet::BasePacketBuilder> channel_queue_{
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kChannelQueueSize};
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DISALLOW_COPY_AND_ASSIGN(DynamicChannelImpl);
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};
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} // namespace internal
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} // namespace l2cap
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} // namespace bluetooth
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