186 lines
7.3 KiB
C
186 lines
7.3 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 <set>
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#include <unordered_map>
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#include "acl_connection.h"
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#include "hci/address.h"
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#include "hci/address_with_type.h"
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#include "isochronous_connection_handler.h"
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#include "model/setup/async_manager.h"
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#include "phy.h"
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#include "sco_connection.h"
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namespace rootcanal {
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static constexpr uint16_t kReservedHandle = 0xF00;
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class AclConnectionHandler {
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public:
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AclConnectionHandler() = default;
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virtual ~AclConnectionHandler() = default;
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void RegisterTaskScheduler(
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std::function<AsyncTaskId(std::chrono::milliseconds, const TaskCallback&)>
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event_scheduler);
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bool CreatePendingConnection(bluetooth::hci::Address addr,
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bool authenticate_on_connect);
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bool HasPendingConnection(bluetooth::hci::Address addr) const;
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bool CancelPendingConnection(bluetooth::hci::Address addr);
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bool AuthenticatePendingConnection() const;
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bool HasPendingScoConnection(bluetooth::hci::Address addr) const;
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ScoState GetScoConnectionState(bluetooth::hci::Address addr) const;
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bool IsLegacyScoConnection(bluetooth::hci::Address addr) const;
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void CreateScoConnection(bluetooth::hci::Address addr,
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ScoConnectionParameters const& parameters,
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ScoState state, ScoDatapath datapath,
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bool legacy = false);
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void CancelPendingScoConnection(bluetooth::hci::Address addr);
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bool AcceptPendingScoConnection(bluetooth::hci::Address addr,
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ScoLinkParameters const& parameters,
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std::function<AsyncTaskId()> startStream);
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bool AcceptPendingScoConnection(bluetooth::hci::Address addr,
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ScoConnectionParameters const& parameters,
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std::function<AsyncTaskId()> startStream);
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uint16_t GetScoHandle(bluetooth::hci::Address addr) const;
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ScoConnectionParameters GetScoConnectionParameters(
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bluetooth::hci::Address addr) const;
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ScoLinkParameters GetScoLinkParameters(bluetooth::hci::Address addr) const;
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bool CreatePendingLeConnection(bluetooth::hci::AddressWithType peer,
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bluetooth::hci::AddressWithType resolved_peer,
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bluetooth::hci::AddressWithType local_address);
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bool HasPendingLeConnection(bluetooth::hci::AddressWithType addr) const;
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bool CancelPendingLeConnection(bluetooth::hci::AddressWithType addr);
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uint16_t CreateConnection(bluetooth::hci::Address addr,
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bluetooth::hci::Address own_addr);
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uint16_t CreateLeConnection(bluetooth::hci::AddressWithType addr,
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bluetooth::hci::AddressWithType own_addr,
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bluetooth::hci::Role role);
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bool Disconnect(uint16_t handle, std::function<void(AsyncTaskId)> stopStream);
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bool HasHandle(uint16_t handle) const;
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bool HasScoHandle(uint16_t handle) const;
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uint16_t GetHandle(bluetooth::hci::AddressWithType addr) const;
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uint16_t GetHandleOnlyAddress(bluetooth::hci::Address addr) const;
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bluetooth::hci::AddressWithType GetAddress(uint16_t handle) const;
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bluetooth::hci::Address GetScoAddress(uint16_t handle) const;
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bluetooth::hci::AddressWithType GetOwnAddress(uint16_t handle) const;
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bluetooth::hci::AddressWithType GetResolvedAddress(uint16_t handle) const;
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void Encrypt(uint16_t handle);
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bool IsEncrypted(uint16_t handle) const;
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Phy::Type GetPhyType(uint16_t handle) const;
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uint16_t GetAclLinkPolicySettings(uint16_t handle) const;
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void SetAclLinkPolicySettings(uint16_t handle, uint16_t settings);
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bluetooth::hci::Role GetAclRole(uint16_t handle) const;
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void SetAclRole(uint16_t handle, bluetooth::hci::Role role);
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std::unique_ptr<bluetooth::hci::LeSetCigParametersCompleteBuilder>
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SetCigParameters(uint8_t id, uint32_t sdu_interval_m_to_s,
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uint32_t sdu_interval_s_to_m,
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bluetooth::hci::ClockAccuracy accuracy,
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bluetooth::hci::Packing packing,
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bluetooth::hci::Enable framing,
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uint16_t max_transport_latency_m_to_s_,
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uint16_t max_transport_latency_s_to_m_,
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std::vector<bluetooth::hci::CisParametersConfig>& streams);
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void CreatePendingCis(bluetooth::hci::CreateCisConfig config);
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bool ConnectCis(uint16_t handle);
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void SetRemoteCisHandle(uint16_t handle, uint16_t remote_handle);
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uint16_t GetPendingAclHandle(uint16_t cis_handle) const;
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bool RejectCis(uint16_t handle);
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bool DisconnectCis(uint16_t handle);
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bluetooth::hci::ErrorCode RemoveCig(uint8_t cig_id);
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bool HasPendingCis() const;
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bool HasPendingCisConnection(uint16_t handle) const;
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bool HasCisHandle(uint16_t handle) const;
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bool HasConnectedCis(uint16_t handle) const;
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uint16_t GetAclHandleForCisHandle(uint16_t cis_handle) const;
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uint16_t GetRemoteCisHandleForCisHandle(uint16_t cis_handle) const;
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StreamParameters GetStreamParameters(uint16_t handle) const;
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GroupParameters GetGroupParameters(uint8_t id) const;
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std::vector<uint16_t> GetAclHandles() const;
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void ResetLinkTimer(uint16_t handle);
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std::chrono::steady_clock::duration TimeUntilLinkNearExpiring(
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uint16_t handle) const;
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bool IsLinkNearExpiring(uint16_t handle) const;
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std::chrono::steady_clock::duration TimeUntilLinkExpired(
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uint16_t handle) const;
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bool HasLinkExpired(uint16_t handle) const;
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private:
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std::unordered_map<uint16_t, AclConnection> acl_connections_;
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std::unordered_map<uint16_t, ScoConnection> sco_connections_;
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std::function<AsyncTaskId(std::chrono::milliseconds, const TaskCallback&)>
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schedule_task_;
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bool classic_connection_pending_{false};
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bluetooth::hci::Address pending_connection_address_{
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bluetooth::hci::Address::kEmpty};
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bool authenticate_pending_classic_connection_{false};
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bool le_connection_pending_{false};
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bluetooth::hci::AddressWithType pending_le_connection_address_{
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bluetooth::hci::Address::kEmpty,
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bluetooth::hci::AddressType::PUBLIC_DEVICE_ADDRESS};
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bluetooth::hci::AddressWithType pending_le_connection_own_address_{
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bluetooth::hci::Address::kEmpty,
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bluetooth::hci::AddressType::PUBLIC_DEVICE_ADDRESS};
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bluetooth::hci::AddressWithType pending_le_connection_resolved_address_{
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bluetooth::hci::Address::kEmpty,
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bluetooth::hci::AddressType::PUBLIC_DEVICE_ADDRESS};
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uint16_t GetUnusedHandle();
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uint16_t last_handle_{kReservedHandle - 2};
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IsochronousConnectionHandler isochronous_connection_handler_;
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struct CisHandles {
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uint16_t acl_handle_ = kReservedHandle;
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uint16_t cis_handle_ = kReservedHandle;
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uint16_t remote_cis_handle_ = kReservedHandle;
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};
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std::vector<CisHandles> connected_streams_;
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std::vector<CisHandles> pending_streams_;
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};
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} // namespace rootcanal
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