95 lines
3.0 KiB
C
95 lines
3.0 KiB
C
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/*
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* Copyright 2018 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 <chrono>
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#include <cstdint>
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#include "hci/address_with_type.h"
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#include "phy.h"
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namespace rootcanal {
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using ::bluetooth::hci::AddressWithType;
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// Model the connection of a device to the controller.
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class AclConnection {
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public:
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AclConnection(AddressWithType address, AddressWithType own_address,
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AddressWithType resolved_address, Phy::Type phy_type,
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bluetooth::hci::Role role);
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virtual ~AclConnection() = default;
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Phy::Type GetPhyType() const { return type_; }
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AddressWithType GetAddress() const { return address_; }
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AddressWithType GetOwnAddress() const { return own_address_; }
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AddressWithType GetResolvedAddress() const { return resolved_address_; }
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void Encrypt();
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bool IsEncrypted() const;
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uint16_t GetLinkPolicySettings() const;
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void SetLinkPolicySettings(uint16_t settings);
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bluetooth::hci::Role GetRole() const;
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void SetRole(bluetooth::hci::Role role);
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int8_t GetRssi() const;
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void SetRssi(int8_t rssi);
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std::chrono::steady_clock::duration TimeUntilNearExpiring() const;
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std::chrono::steady_clock::duration TimeUntilExpired() const;
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void ResetLinkTimer();
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bool IsNearExpiring() const;
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bool HasExpired() const;
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// LE-ACL state.
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void InitiatePhyUpdate() { initiated_phy_update_ = true; }
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void PhyUpdateComplete() { initiated_phy_update_ = false; }
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bool InitiatedPhyUpdate() const { return initiated_phy_update_; }
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bluetooth::hci::PhyType GetTxPhy() const { return tx_phy_; }
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bluetooth::hci::PhyType GetRxPhy() const { return rx_phy_; }
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void SetTxPhy(bluetooth::hci::PhyType phy) { tx_phy_ = phy; }
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void SetRxPhy(bluetooth::hci::PhyType phy) { rx_phy_ = phy; }
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private:
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AddressWithType address_;
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AddressWithType own_address_;
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AddressWithType resolved_address_;
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Phy::Type type_{Phy::Type::BR_EDR};
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// Reports the RSSI measured for the last packet received on
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// this connection.
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int8_t rssi_{0};
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// State variables
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bool encrypted_{false};
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uint16_t link_policy_settings_{0};
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bluetooth::hci::Role role_{bluetooth::hci::Role::CENTRAL};
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std::chrono::steady_clock::time_point last_packet_timestamp_;
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std::chrono::steady_clock::duration timeout_;
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// LE-ACL state.
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bluetooth::hci::PhyType tx_phy_{bluetooth::hci::PhyType::LE_1M};
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bluetooth::hci::PhyType rx_phy_{bluetooth::hci::PhyType::LE_1M};
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bool initiated_phy_update_{false};
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};
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} // namespace rootcanal
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