| /* |
| * Copyright 2020 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. |
| */ |
| |
| #include "main/shim/acl.h" |
| |
| #include <base/location.h> |
| #include <base/strings/stringprintf.h> |
| #include <time.h> |
| |
| #include <chrono> |
| #include <cstdint> |
| #include <functional> |
| #include <future> |
| #include <map> |
| #include <memory> |
| #include <string> |
| #include <unordered_set> |
| |
| #include "btif/include/btif_hh.h" |
| #include "device/include/controller.h" |
| #include "gd/common/bidi_queue.h" |
| #include "gd/common/bind.h" |
| #include "gd/common/strings.h" |
| #include "gd/common/sync_map_count.h" |
| #include "gd/hci/acl_manager.h" |
| #include "gd/hci/acl_manager/acl_connection.h" |
| #include "gd/hci/acl_manager/classic_acl_connection.h" |
| #include "gd/hci/acl_manager/connection_management_callbacks.h" |
| #include "gd/hci/acl_manager/le_acl_connection.h" |
| #include "gd/hci/acl_manager/le_connection_management_callbacks.h" |
| #include "gd/hci/acl_manager/le_impl.h" |
| #include "gd/hci/address.h" |
| #include "gd/hci/address_with_type.h" |
| #include "gd/hci/class_of_device.h" |
| #include "gd/hci/controller.h" |
| #include "gd/os/handler.h" |
| #include "gd/os/queue.h" |
| #include "main/shim/btm.h" |
| #include "main/shim/dumpsys.h" |
| #include "main/shim/entry.h" |
| #include "main/shim/helpers.h" |
| #include "main/shim/stack.h" |
| #include "osi/include/allocator.h" |
| #include "stack/acl/acl.h" |
| #include "stack/btm/btm_int_types.h" |
| #include "stack/include/acl_hci_link_interface.h" |
| #include "stack/include/ble_acl_interface.h" |
| #include "stack/include/bt_hdr.h" |
| #include "stack/include/btm_api.h" |
| #include "stack/include/btm_status.h" |
| #include "stack/include/pan_api.h" |
| #include "stack/include/sec_hci_link_interface.h" |
| #include "stack/l2cap/l2c_int.h" |
| #include "types/ble_address_with_type.h" |
| #include "types/raw_address.h" |
| |
| extern tBTM_CB btm_cb; |
| |
| bt_status_t do_in_main_thread(const base::Location& from_here, |
| base::OnceClosure task); |
| |
| using namespace bluetooth; |
| |
| class ConnectAddressWithType { |
| public: |
| explicit ConnectAddressWithType(hci::AddressWithType address_with_type) |
| : address_(address_with_type.GetAddress()), |
| type_(address_with_type.ToConnectListAddressType()) {} |
| |
| std::string const ToString() const { |
| std::stringstream ss; |
| ss << address_ << "[" << ConnectListAddressTypeText(type_) << "]"; |
| return ss.str(); |
| } |
| |
| bool operator==(const ConnectAddressWithType& rhs) const { |
| return address_ == rhs.address_ && type_ == rhs.type_; |
| } |
| |
| private: |
| friend std::hash<ConnectAddressWithType>; |
| hci::Address address_; |
| hci::ConnectListAddressType type_; |
| }; |
| |
| namespace std { |
| template <> |
| struct hash<ConnectAddressWithType> { |
| std::size_t operator()(const ConnectAddressWithType& val) const { |
| static_assert(sizeof(uint64_t) >= |
| (bluetooth::hci::Address::kLength + |
| sizeof(bluetooth::hci::ConnectListAddressType))); |
| uint64_t int_addr = 0; |
| memcpy(reinterpret_cast<uint8_t*>(&int_addr), val.address_.data(), |
| bluetooth::hci::Address::kLength); |
| memcpy(reinterpret_cast<uint8_t*>(&int_addr) + |
| bluetooth::hci::Address::kLength, |
| &val.type_, sizeof(bluetooth::hci::ConnectListAddressType)); |
| return std::hash<uint64_t>{}(int_addr); |
| } |
| }; |
| } // namespace std |
| |
| namespace { |
| |
| using HciHandle = uint16_t; |
| using PageNumber = uint8_t; |
| |
| using CreationTime = std::chrono::time_point<std::chrono::system_clock>; |
| using TeardownTime = std::chrono::time_point<std::chrono::system_clock>; |
| |
| constexpr char kBtmLogTag[] = "ACL"; |
| |
| using SendDataUpwards = void (*const)(BT_HDR*); |
| using OnDisconnect = std::function<void(HciHandle, hci::ErrorCode reason)>; |
| |
| constexpr char kConnectionDescriptorTimeFormat[] = "%Y-%m-%d %H:%M:%S"; |
| |
| inline bool IsRpa(const hci::AddressWithType address_with_type) { |
| return address_with_type.GetAddressType() == |
| hci::AddressType::RANDOM_DEVICE_ADDRESS && |
| ((address_with_type.GetAddress().address.data()[5] & 0xc0) == 0x40); |
| } |
| |
| class ShadowAcceptlist { |
| public: |
| ShadowAcceptlist(uint8_t max_acceptlist_size) |
| : max_acceptlist_size_(max_acceptlist_size) {} |
| |
| bool Add(const hci::AddressWithType& address_with_type) { |
| if (acceptlist_set_.size() == max_acceptlist_size_) { |
| LOG_ERROR("Acceptlist is full size:%zu", acceptlist_set_.size()); |
| return false; |
| } |
| if (!acceptlist_set_.insert(ConnectAddressWithType(address_with_type)) |
| .second) { |
| LOG_WARN("Attempted to add duplicate le address to acceptlist:%s", |
| PRIVATE_ADDRESS(address_with_type)); |
| } |
| return true; |
| } |
| |
| bool Remove(const hci::AddressWithType& address_with_type) { |
| auto iter = acceptlist_set_.find(ConnectAddressWithType(address_with_type)); |
| if (iter == acceptlist_set_.end()) { |
| LOG_WARN("Unknown device being removed from acceptlist:%s", |
| PRIVATE_ADDRESS(address_with_type)); |
| return false; |
| } |
| acceptlist_set_.erase(ConnectAddressWithType(*iter)); |
| return true; |
| } |
| |
| std::unordered_set<ConnectAddressWithType> GetCopy() const { |
| return acceptlist_set_; |
| } |
| |
| bool IsFull() const { |
| return acceptlist_set_.size() == static_cast<size_t>(max_acceptlist_size_); |
| } |
| |
| void Clear() { acceptlist_set_.clear(); } |
| |
| private: |
| uint8_t max_acceptlist_size_{0}; |
| std::unordered_set<ConnectAddressWithType> acceptlist_set_; |
| }; |
| |
| class ShadowAddressResolutionList { |
| public: |
| ShadowAddressResolutionList(uint8_t max_address_resolution_size) |
| : max_address_resolution_size_(max_address_resolution_size) {} |
| |
| bool Add(const hci::AddressWithType& address_with_type) { |
| if (address_resolution_set_.size() == max_address_resolution_size_) { |
| LOG_ERROR("Address Resolution is full size:%zu", |
| address_resolution_set_.size()); |
| return false; |
| } |
| if (!address_resolution_set_.insert(address_with_type).second) { |
| LOG_WARN("Attempted to add duplicate le address to address_resolution:%s", |
| PRIVATE_ADDRESS(address_with_type)); |
| } |
| return true; |
| } |
| |
| bool Remove(const hci::AddressWithType& address_with_type) { |
| auto iter = address_resolution_set_.find(address_with_type); |
| if (iter == address_resolution_set_.end()) { |
| LOG_WARN("Unknown device being removed from address_resolution:%s", |
| PRIVATE_ADDRESS(address_with_type)); |
| return false; |
| } |
| address_resolution_set_.erase(iter); |
| return true; |
| } |
| |
| std::unordered_set<hci::AddressWithType> GetCopy() const { |
| return address_resolution_set_; |
| } |
| |
| bool IsFull() const { |
| return address_resolution_set_.size() == |
| static_cast<size_t>(max_address_resolution_size_); |
| } |
| |
| size_t Size() const { return address_resolution_set_.size(); } |
| |
| void Clear() { address_resolution_set_.clear(); } |
| |
| private: |
| uint8_t max_address_resolution_size_{0}; |
| std::unordered_set<hci::AddressWithType> address_resolution_set_; |
| }; |
| |
| struct ConnectionDescriptor { |
| CreationTime creation_time_; |
| TeardownTime teardown_time_; |
| uint16_t handle_; |
| bool is_locally_initiated_; |
| hci::ErrorCode disconnect_reason_; |
| ConnectionDescriptor(CreationTime creation_time, TeardownTime teardown_time, |
| uint16_t handle, bool is_locally_initiated, |
| hci::ErrorCode disconnect_reason) |
| : creation_time_(creation_time), |
| teardown_time_(teardown_time), |
| handle_(handle), |
| is_locally_initiated_(is_locally_initiated), |
| disconnect_reason_(disconnect_reason) {} |
| virtual std::string GetPrivateRemoteAddress() const = 0; |
| virtual ~ConnectionDescriptor() {} |
| std::string ToString() const { |
| return base::StringPrintf( |
| "peer:%s handle:0x%04x is_locally_initiated:%s" |
| " creation_time:%s teardown_time:%s disconnect_reason:%s", |
| GetPrivateRemoteAddress().c_str(), handle_, |
| logbool(is_locally_initiated_).c_str(), |
| common::StringFormatTimeWithMilliseconds( |
| kConnectionDescriptorTimeFormat, creation_time_) |
| .c_str(), |
| common::StringFormatTimeWithMilliseconds( |
| kConnectionDescriptorTimeFormat, teardown_time_) |
| .c_str(), |
| hci::ErrorCodeText(disconnect_reason_).c_str()); |
| } |
| }; |
| |
| struct ClassicConnectionDescriptor : public ConnectionDescriptor { |
| const hci::Address remote_address_; |
| ClassicConnectionDescriptor(const hci::Address& remote_address, |
| CreationTime creation_time, |
| TeardownTime teardown_time, uint16_t handle, |
| bool is_locally_initiated, |
| hci::ErrorCode disconnect_reason) |
| : ConnectionDescriptor(creation_time, teardown_time, handle, |
| is_locally_initiated, disconnect_reason), |
| remote_address_(remote_address) {} |
| virtual std::string GetPrivateRemoteAddress() const { |
| return PRIVATE_ADDRESS(remote_address_); |
| } |
| }; |
| |
| struct LeConnectionDescriptor : public ConnectionDescriptor { |
| const hci::AddressWithType remote_address_with_type_; |
| LeConnectionDescriptor(hci::AddressWithType& remote_address_with_type, |
| CreationTime creation_time, TeardownTime teardown_time, |
| uint16_t handle, bool is_locally_initiated, |
| hci::ErrorCode disconnect_reason) |
| : ConnectionDescriptor(creation_time, teardown_time, handle, |
| is_locally_initiated, disconnect_reason), |
| remote_address_with_type_(remote_address_with_type) {} |
| std::string GetPrivateRemoteAddress() const { |
| return PRIVATE_ADDRESS(remote_address_with_type_); |
| } |
| }; |
| |
| template <typename T> |
| class FixedQueue { |
| public: |
| explicit FixedQueue(size_t max_size) : max_size_(max_size) {} |
| void Push(T element) { |
| if (queue_.size() == max_size_) { |
| queue_.pop_front(); |
| } |
| queue_.push_back(std::move(element)); |
| } |
| |
| std::vector<std::string> ReadElementsAsString() const { |
| std::vector<std::string> vector; |
| for (auto& entry : queue_) { |
| vector.push_back(entry->ToString()); |
| } |
| return vector; |
| } |
| |
| private: |
| size_t max_size_{1}; |
| std::deque<T> queue_; |
| }; |
| |
| constexpr size_t kConnectionHistorySize = 40; |
| |
| inline uint8_t LowByte(uint16_t val) { return val & 0xff; } |
| inline uint8_t HighByte(uint16_t val) { return val >> 8; } |
| |
| void ValidateAclInterface(const shim::legacy::acl_interface_t& acl_interface) { |
| ASSERT_LOG(acl_interface.on_send_data_upwards != nullptr, |
| "Must provide to receive data on acl links"); |
| ASSERT_LOG(acl_interface.on_packets_completed != nullptr, |
| "Must provide to receive completed packet indication"); |
| |
| ASSERT_LOG(acl_interface.connection.classic.on_connected != nullptr, |
| "Must provide to respond to successful classic connections"); |
| ASSERT_LOG(acl_interface.connection.classic.on_failed != nullptr, |
| "Must provide to respond when classic connection attempts fail"); |
| ASSERT_LOG( |
| acl_interface.connection.classic.on_disconnected != nullptr, |
| "Must provide to respond when active classic connection disconnects"); |
| |
| ASSERT_LOG(acl_interface.connection.le.on_connected != nullptr, |
| "Must provide to respond to successful le connections"); |
| ASSERT_LOG(acl_interface.connection.le.on_failed != nullptr, |
| "Must provide to respond when le connection attempts fail"); |
| ASSERT_LOG(acl_interface.connection.le.on_disconnected != nullptr, |
| "Must provide to respond when active le connection disconnects"); |
| } |
| |
| } // namespace |
| |
| #define TRY_POSTING_ON_MAIN(cb, ...) \ |
| do { \ |
| if (cb == nullptr) { \ |
| LOG_WARN("Dropping ACL event with no callback"); \ |
| } else { \ |
| do_in_main_thread(FROM_HERE, base::Bind(cb, ##__VA_ARGS__)); \ |
| } \ |
| } while (0) |
| |
| constexpr HciHandle kInvalidHciHandle = 0xffff; |
| |
| class ShimAclConnection { |
| public: |
| ShimAclConnection(const HciHandle handle, SendDataUpwards send_data_upwards, |
| os::Handler* handler, |
| hci::acl_manager::AclConnection::QueueUpEnd* queue_up_end, |
| CreationTime creation_time) |
| : handle_(handle), |
| handler_(handler), |
| send_data_upwards_(send_data_upwards), |
| queue_up_end_(queue_up_end), |
| creation_time_(creation_time) { |
| queue_up_end_->RegisterDequeue( |
| handler_, common::Bind(&ShimAclConnection::data_ready_callback, |
| common::Unretained(this))); |
| } |
| |
| virtual ~ShimAclConnection() { |
| if (!queue_.empty()) |
| LOG_ERROR( |
| "ACL cleaned up with non-empty queue handle:0x%04x stranded_pkts:%zu", |
| handle_, queue_.size()); |
| ASSERT_LOG(is_disconnected_, |
| "Shim Acl was not properly disconnected handle:0x%04x", handle_); |
| } |
| |
| void EnqueuePacket(std::unique_ptr<packet::RawBuilder> packet) { |
| // TODO Handle queue size exceeds some threshold |
| queue_.push(std::move(packet)); |
| RegisterEnqueue(); |
| } |
| |
| std::unique_ptr<packet::BasePacketBuilder> handle_enqueue() { |
| auto packet = std::move(queue_.front()); |
| queue_.pop(); |
| if (queue_.empty()) { |
| UnregisterEnqueue(); |
| } |
| return packet; |
| } |
| |
| void data_ready_callback() { |
| auto packet = queue_up_end_->TryDequeue(); |
| uint16_t length = packet->size(); |
| std::vector<uint8_t> preamble; |
| preamble.push_back(LowByte(handle_)); |
| preamble.push_back(HighByte(handle_)); |
| preamble.push_back(LowByte(length)); |
| preamble.push_back(HighByte(length)); |
| BT_HDR* p_buf = MakeLegacyBtHdrPacket(std::move(packet), preamble); |
| ASSERT_LOG(p_buf != nullptr, |
| "Unable to allocate BT_HDR legacy packet handle:%04x", handle_); |
| if (send_data_upwards_ == nullptr) { |
| LOG_WARN("Dropping ACL data with no callback"); |
| osi_free(p_buf); |
| } else if (do_in_main_thread(FROM_HERE, |
| base::Bind(send_data_upwards_, p_buf)) != |
| BT_STATUS_SUCCESS) { |
| osi_free(p_buf); |
| } |
| } |
| |
| virtual void InitiateDisconnect(hci::DisconnectReason reason) = 0; |
| virtual bool IsLocallyInitiated() const = 0; |
| |
| CreationTime GetCreationTime() const { return creation_time_; } |
| uint16_t Handle() const { return handle_; } |
| |
| void Shutdown() { |
| Disconnect(); |
| LOG_INFO("Shutdown and disconnect ACL connection handle:0x%04x", handle_); |
| } |
| |
| protected: |
| const uint16_t handle_{kInvalidHciHandle}; |
| os::Handler* handler_; |
| |
| void UnregisterEnqueue() { |
| if (!is_enqueue_registered_) return; |
| is_enqueue_registered_ = false; |
| queue_up_end_->UnregisterEnqueue(); |
| } |
| |
| void Disconnect() { |
| if (!is_disconnected_) { |
| LOG_ERROR( |
| "Cannot disconnect ACL multiple times handle:%04x creation_time:%s", |
| handle_, |
| common::StringFormatTimeWithMilliseconds( |
| kConnectionDescriptorTimeFormat, creation_time_) |
| .c_str()); |
| return; |
| } |
| is_disconnected_ = true; |
| UnregisterEnqueue(); |
| queue_up_end_->UnregisterDequeue(); |
| if (!queue_.empty()) |
| LOG_WARN( |
| "ACL disconnect with non-empty queue handle:%04x stranded_pkts::%zu", |
| handle_, queue_.size()); |
| } |
| |
| virtual void ReadRemoteControllerInformation() = 0; |
| |
| private: |
| SendDataUpwards send_data_upwards_; |
| hci::acl_manager::AclConnection::QueueUpEnd* queue_up_end_; |
| |
| std::queue<std::unique_ptr<packet::RawBuilder>> queue_; |
| bool is_enqueue_registered_{false}; |
| bool is_disconnected_{false}; |
| CreationTime creation_time_; |
| |
| void RegisterEnqueue() { |
| ASSERT_LOG(!is_disconnected_, |
| "Unable to send data over disconnected channel handle:%04x", |
| handle_); |
| if (is_enqueue_registered_) return; |
| is_enqueue_registered_ = true; |
| queue_up_end_->RegisterEnqueue( |
| handler_, common::Bind(&ShimAclConnection::handle_enqueue, |
| common::Unretained(this))); |
| } |
| |
| virtual void RegisterCallbacks() = 0; |
| }; |
| |
| class ClassicShimAclConnection |
| : public ShimAclConnection, |
| public hci::acl_manager::ConnectionManagementCallbacks { |
| public: |
| ClassicShimAclConnection( |
| SendDataUpwards send_data_upwards, OnDisconnect on_disconnect, |
| const shim::legacy::acl_classic_link_interface_t& interface, |
| os::Handler* handler, |
| std::unique_ptr<hci::acl_manager::ClassicAclConnection> connection, |
| CreationTime creation_time) |
| : ShimAclConnection(connection->GetHandle(), send_data_upwards, handler, |
| connection->GetAclQueueEnd(), creation_time), |
| on_disconnect_(on_disconnect), |
| interface_(interface), |
| connection_(std::move(connection)) {} |
| |
| void RegisterCallbacks() override { |
| connection_->RegisterCallbacks(this, handler_); |
| } |
| |
| void ReadRemoteControllerInformation() override { |
| connection_->ReadRemoteVersionInformation(); |
| connection_->ReadRemoteSupportedFeatures(); |
| } |
| |
| void OnConnectionPacketTypeChanged(uint16_t packet_type) override { |
| TRY_POSTING_ON_MAIN(interface_.on_packet_type_changed, packet_type); |
| } |
| |
| void OnAuthenticationComplete(hci::ErrorCode hci_status) override { |
| TRY_POSTING_ON_MAIN(interface_.on_authentication_complete, handle_, |
| ToLegacyHciErrorCode(hci_status)); |
| } |
| |
| void OnEncryptionChange(hci::EncryptionEnabled enabled) override { |
| bool is_enabled = (enabled == hci::EncryptionEnabled::ON || |
| enabled == hci::EncryptionEnabled::BR_EDR_AES_CCM); |
| TRY_POSTING_ON_MAIN(interface_.on_encryption_change, is_enabled); |
| } |
| |
| void OnChangeConnectionLinkKeyComplete() override { |
| TRY_POSTING_ON_MAIN(interface_.on_change_connection_link_key_complete); |
| } |
| |
| void OnReadClockOffsetComplete(uint16_t clock_offset) override { |
| LOG_INFO("UNIMPLEMENTED"); |
| } |
| |
| void OnModeChange(hci::ErrorCode status, hci::Mode current_mode, |
| uint16_t interval) override { |
| TRY_POSTING_ON_MAIN(interface_.on_mode_change, ToLegacyHciErrorCode(status), |
| handle_, ToLegacyHciMode(current_mode), interval); |
| } |
| |
| void OnSniffSubrating(hci::ErrorCode hci_status, |
| uint16_t maximum_transmit_latency, |
| uint16_t maximum_receive_latency, |
| uint16_t minimum_remote_timeout, |
| uint16_t minimum_local_timeout) { |
| TRY_POSTING_ON_MAIN(interface_.on_sniff_subrating, |
| ToLegacyHciErrorCode(hci_status), handle_, |
| maximum_transmit_latency, maximum_receive_latency, |
| minimum_remote_timeout, minimum_local_timeout); |
| } |
| |
| void OnQosSetupComplete(hci::ServiceType service_type, uint32_t token_rate, |
| uint32_t peak_bandwidth, uint32_t latency, |
| uint32_t delay_variation) override { |
| LOG_INFO("UNIMPLEMENTED"); |
| } |
| |
| void OnFlowSpecificationComplete(hci::FlowDirection flow_direction, |
| hci::ServiceType service_type, |
| uint32_t token_rate, |
| uint32_t token_bucket_size, |
| uint32_t peak_bandwidth, |
| uint32_t access_latency) override { |
| LOG_INFO("UNIMPLEMENTED"); |
| } |
| |
| void OnFlushOccurred() override { LOG_INFO("UNIMPLEMENTED"); } |
| |
| void OnRoleDiscoveryComplete(hci::Role current_role) override { |
| LOG_INFO("UNIMPLEMENTED"); |
| } |
| |
| void OnReadLinkPolicySettingsComplete( |
| uint16_t link_policy_settings) override { |
| LOG_INFO("UNIMPLEMENTED"); |
| } |
| |
| void OnReadAutomaticFlushTimeoutComplete(uint16_t flush_timeout) override { |
| LOG_INFO("UNIMPLEMENTED"); |
| } |
| |
| void OnReadTransmitPowerLevelComplete(uint8_t transmit_power_level) override { |
| LOG_INFO("UNIMPLEMENTED"); |
| } |
| |
| void OnReadLinkSupervisionTimeoutComplete( |
| uint16_t link_supervision_timeout) override { |
| LOG_INFO("UNIMPLEMENTED"); |
| } |
| |
| void OnReadFailedContactCounterComplete( |
| uint16_t failed_contact_counter) override { |
| LOG_INFO("UNIMPLEMENTED"); |
| } |
| |
| void OnReadLinkQualityComplete(uint8_t link_quality) override { |
| LOG_INFO("UNIMPLEMENTED"); |
| } |
| |
| void OnReadAfhChannelMapComplete( |
| hci::AfhMode afh_mode, std::array<uint8_t, 10> afh_channel_map) override { |
| LOG_INFO("UNIMPLEMENTED"); |
| } |
| |
| void OnReadRssiComplete(uint8_t rssi) override { LOG_INFO("UNIMPLEMENTED"); } |
| |
| void OnReadClockComplete(uint32_t clock, uint16_t accuracy) override { |
| LOG_INFO("UNIMPLEMENTED"); |
| } |
| |
| void OnCentralLinkKeyComplete(hci::KeyFlag key_flag) override { |
| LOG_INFO("%s UNIMPLEMENTED", __func__); |
| } |
| |
| void OnRoleChange(hci::ErrorCode hci_status, hci::Role new_role) override { |
| TRY_POSTING_ON_MAIN( |
| interface_.on_role_change, ToLegacyHciErrorCode(hci_status), |
| ToRawAddress(connection_->GetAddress()), ToLegacyRole(new_role)); |
| BTM_LogHistory(kBtmLogTag, ToRawAddress(connection_->GetAddress()), |
| "Role change", |
| base::StringPrintf("classic New_role:%s status:%s", |
| hci::RoleText(new_role).c_str(), |
| hci::ErrorCodeText(hci_status).c_str())); |
| } |
| |
| void OnDisconnection(hci::ErrorCode reason) override { |
| Disconnect(); |
| on_disconnect_(handle_, reason); |
| } |
| |
| void OnReadRemoteVersionInformationComplete(hci::ErrorCode hci_status, |
| uint8_t lmp_version, |
| uint16_t manufacturer_name, |
| uint16_t sub_version) override { |
| TRY_POSTING_ON_MAIN(interface_.on_read_remote_version_information_complete, |
| ToLegacyHciErrorCode(hci_status), handle_, lmp_version, |
| manufacturer_name, sub_version); |
| } |
| |
| void OnReadRemoteSupportedFeaturesComplete(uint64_t features) override { |
| TRY_POSTING_ON_MAIN(interface_.on_read_remote_supported_features_complete, |
| handle_, features); |
| |
| if (features & ((uint64_t(1) << 63))) { |
| connection_->ReadRemoteExtendedFeatures(1); |
| return; |
| } |
| LOG_DEBUG("Device does not support extended features"); |
| } |
| |
| void OnReadRemoteExtendedFeaturesComplete(uint8_t page_number, |
| uint8_t max_page_number, |
| uint64_t features) override { |
| TRY_POSTING_ON_MAIN(interface_.on_read_remote_extended_features_complete, |
| handle_, page_number, max_page_number, features); |
| |
| // Supported features aliases to extended features page 0 |
| if (page_number == 0 && !(features & ((uint64_t(1) << 63)))) { |
| LOG_DEBUG("Device does not support extended features"); |
| return; |
| } |
| |
| if (page_number != max_page_number) |
| connection_->ReadRemoteExtendedFeatures(page_number + 1); |
| } |
| |
| hci::Address GetRemoteAddress() const { return connection_->GetAddress(); } |
| |
| void InitiateDisconnect(hci::DisconnectReason reason) override { |
| connection_->Disconnect(reason); |
| } |
| |
| void HoldMode(uint16_t max_interval, uint16_t min_interval) { |
| ASSERT(connection_->HoldMode(max_interval, min_interval)); |
| } |
| |
| void SniffMode(uint16_t max_interval, uint16_t min_interval, uint16_t attempt, |
| uint16_t timeout) { |
| ASSERT( |
| connection_->SniffMode(max_interval, min_interval, attempt, timeout)); |
| } |
| |
| void ExitSniffMode() { ASSERT(connection_->ExitSniffMode()); } |
| |
| void SniffSubrating(uint16_t maximum_latency, uint16_t minimum_remote_timeout, |
| uint16_t minimum_local_timeout) { |
| ASSERT(connection_->SniffSubrating(maximum_latency, minimum_remote_timeout, |
| minimum_local_timeout)); |
| } |
| |
| void SetConnectionEncryption(hci::Enable is_encryption_enabled) { |
| ASSERT(connection_->SetConnectionEncryption(is_encryption_enabled)); |
| } |
| |
| bool IsLocallyInitiated() const override { |
| return connection_->locally_initiated_; |
| } |
| |
| private: |
| OnDisconnect on_disconnect_; |
| const shim::legacy::acl_classic_link_interface_t interface_; |
| std::unique_ptr<hci::acl_manager::ClassicAclConnection> connection_; |
| }; |
| |
| class LeShimAclConnection |
| : public ShimAclConnection, |
| public hci::acl_manager::LeConnectionManagementCallbacks { |
| public: |
| LeShimAclConnection( |
| SendDataUpwards send_data_upwards, OnDisconnect on_disconnect, |
| const shim::legacy::acl_le_link_interface_t& interface, |
| os::Handler* handler, |
| std::unique_ptr<hci::acl_manager::LeAclConnection> connection, |
| std::chrono::time_point<std::chrono::system_clock> creation_time) |
| : ShimAclConnection(connection->GetHandle(), send_data_upwards, handler, |
| connection->GetAclQueueEnd(), creation_time), |
| on_disconnect_(on_disconnect), |
| interface_(interface), |
| connection_(std::move(connection)) {} |
| |
| void RegisterCallbacks() override { |
| connection_->RegisterCallbacks(this, handler_); |
| } |
| |
| void ReadRemoteControllerInformation() override { |
| // TODO Issue LeReadRemoteFeatures Command |
| } |
| |
| bluetooth::hci::AddressWithType GetLocalAddressWithType() { |
| return connection_->GetLocalAddress(); |
| } |
| |
| void OnConnectionUpdate(hci::ErrorCode hci_status, |
| uint16_t connection_interval, |
| uint16_t connection_latency, |
| uint16_t supervision_timeout) { |
| TRY_POSTING_ON_MAIN( |
| interface_.on_connection_update, ToLegacyHciErrorCode(hci_status), |
| handle_, connection_interval, connection_latency, supervision_timeout); |
| } |
| void OnDataLengthChange(uint16_t tx_octets, uint16_t tx_time, |
| uint16_t rx_octets, uint16_t rx_time) { |
| TRY_POSTING_ON_MAIN(interface_.on_data_length_change, tx_octets, tx_time, |
| rx_octets, rx_time); |
| } |
| |
| void OnReadRemoteVersionInformationComplete(hci::ErrorCode hci_status, |
| uint8_t lmp_version, |
| uint16_t manufacturer_name, |
| uint16_t sub_version) override { |
| TRY_POSTING_ON_MAIN(interface_.on_read_remote_version_information_complete, |
| ToLegacyHciErrorCode(hci_status), handle_, lmp_version, |
| manufacturer_name, sub_version); |
| } |
| |
| void OnPhyUpdate(hci::ErrorCode hci_status, uint8_t tx_phy, |
| uint8_t rx_phy) override { |
| TRY_POSTING_ON_MAIN(interface_.on_phy_update, |
| ToLegacyHciErrorCode(hci_status), handle_, tx_phy, |
| rx_phy); |
| } |
| |
| void OnLocalAddressUpdate(hci::AddressWithType address_with_type) override { |
| connection_->UpdateLocalAddress(address_with_type); |
| } |
| |
| void OnDisconnection(hci::ErrorCode reason) { |
| Disconnect(); |
| on_disconnect_(handle_, reason); |
| } |
| |
| hci::AddressWithType GetRemoteAddressWithType() const { |
| return connection_->GetRemoteAddress(); |
| } |
| |
| void InitiateDisconnect(hci::DisconnectReason reason) override { |
| connection_->Disconnect(reason); |
| } |
| |
| bool IsLocallyInitiated() const override { |
| return connection_->locally_initiated_; |
| } |
| |
| private: |
| OnDisconnect on_disconnect_; |
| const shim::legacy::acl_le_link_interface_t interface_; |
| std::unique_ptr<hci::acl_manager::LeAclConnection> connection_; |
| }; |
| |
| struct shim::legacy::Acl::impl { |
| impl(uint8_t max_acceptlist_size, uint8_t max_address_resolution_size) |
| : shadow_acceptlist_(ShadowAcceptlist(max_acceptlist_size)), |
| shadow_address_resolution_list_( |
| ShadowAddressResolutionList(max_address_resolution_size)) {} |
| |
| std::map<HciHandle, std::unique_ptr<ClassicShimAclConnection>> |
| handle_to_classic_connection_map_; |
| std::map<HciHandle, std::unique_ptr<LeShimAclConnection>> |
| handle_to_le_connection_map_; |
| |
| SyncMapCount<std::string> classic_acl_disconnect_reason_; |
| SyncMapCount<std::string> le_acl_disconnect_reason_; |
| |
| FixedQueue<std::unique_ptr<ConnectionDescriptor>> connection_history_ = |
| FixedQueue<std::unique_ptr<ConnectionDescriptor>>(kConnectionHistorySize); |
| |
| ShadowAcceptlist shadow_acceptlist_; |
| ShadowAddressResolutionList shadow_address_resolution_list_; |
| |
| bool IsClassicAcl(HciHandle handle) { |
| return handle_to_classic_connection_map_.find(handle) != |
| handle_to_classic_connection_map_.end(); |
| } |
| |
| void EnqueueClassicPacket(HciHandle handle, |
| std::unique_ptr<packet::RawBuilder> packet) { |
| ASSERT_LOG(IsClassicAcl(handle), "handle %d is not a classic connection", |
| handle); |
| handle_to_classic_connection_map_[handle]->EnqueuePacket(std::move(packet)); |
| } |
| |
| bool IsLeAcl(HciHandle handle) { |
| return handle_to_le_connection_map_.find(handle) != |
| handle_to_le_connection_map_.end(); |
| } |
| |
| void EnqueueLePacket(HciHandle handle, |
| std::unique_ptr<packet::RawBuilder> packet) { |
| ASSERT_LOG(IsLeAcl(handle), "handle %d is not a LE connection", handle); |
| handle_to_le_connection_map_[handle]->EnqueuePacket(std::move(packet)); |
| } |
| |
| void ShutdownClassicConnections(std::promise<void> promise) { |
| LOG_INFO("Shutdown gd acl shim classic connections"); |
| for (auto& connection : handle_to_classic_connection_map_) { |
| connection.second->Shutdown(); |
| } |
| handle_to_classic_connection_map_.clear(); |
| promise.set_value(); |
| } |
| |
| void ShutdownLeConnections(std::promise<void> promise) { |
| LOG_INFO("Shutdown gd acl shim le connections"); |
| for (auto& connection : handle_to_le_connection_map_) { |
| connection.second->Shutdown(); |
| } |
| handle_to_le_connection_map_.clear(); |
| promise.set_value(); |
| } |
| |
| void FinalShutdown(std::promise<void> promise) { |
| if (!handle_to_classic_connection_map_.empty()) { |
| for (auto& connection : handle_to_classic_connection_map_) { |
| connection.second->Shutdown(); |
| } |
| handle_to_classic_connection_map_.clear(); |
| LOG_INFO("Cleared all classic connections count:%zu", |
| handle_to_classic_connection_map_.size()); |
| } |
| |
| if (!handle_to_le_connection_map_.empty()) { |
| for (auto& connection : handle_to_le_connection_map_) { |
| connection.second->Shutdown(); |
| } |
| handle_to_le_connection_map_.clear(); |
| LOG_INFO("Cleared all le connections count:%zu", |
| handle_to_le_connection_map_.size()); |
| } |
| promise.set_value(); |
| } |
| |
| void HoldMode(HciHandle handle, uint16_t max_interval, |
| uint16_t min_interval) { |
| ASSERT_LOG(IsClassicAcl(handle), "handle %d is not a classic connection", |
| handle); |
| handle_to_classic_connection_map_[handle]->HoldMode(max_interval, |
| min_interval); |
| } |
| |
| void ExitSniffMode(HciHandle handle) { |
| ASSERT_LOG(IsClassicAcl(handle), "handle %d is not a classic connection", |
| handle); |
| handle_to_classic_connection_map_[handle]->ExitSniffMode(); |
| } |
| |
| void SniffMode(HciHandle handle, uint16_t max_interval, uint16_t min_interval, |
| uint16_t attempt, uint16_t timeout) { |
| ASSERT_LOG(IsClassicAcl(handle), "handle %d is not a classic connection", |
| handle); |
| handle_to_classic_connection_map_[handle]->SniffMode( |
| max_interval, min_interval, attempt, timeout); |
| } |
| |
| void SniffSubrating(HciHandle handle, uint16_t maximum_latency, |
| uint16_t minimum_remote_timeout, |
| uint16_t minimum_local_timeout) { |
| ASSERT_LOG(IsClassicAcl(handle), "handle %d is not a classic connection", |
| handle); |
| handle_to_classic_connection_map_[handle]->SniffSubrating( |
| maximum_latency, minimum_remote_timeout, minimum_local_timeout); |
| } |
| |
| void SetConnectionEncryption(HciHandle handle, hci::Enable enable) { |
| ASSERT_LOG(IsClassicAcl(handle), "handle %d is not a classic connection", |
| handle); |
| handle_to_classic_connection_map_[handle]->SetConnectionEncryption(enable); |
| } |
| |
| void disconnect_classic(uint16_t handle, tHCI_STATUS reason, |
| std::string comment) { |
| auto connection = handle_to_classic_connection_map_.find(handle); |
| if (connection != handle_to_classic_connection_map_.end()) { |
| auto remote_address = connection->second->GetRemoteAddress(); |
| connection->second->InitiateDisconnect( |
| ToDisconnectReasonFromLegacy(reason)); |
| LOG_DEBUG("Disconnection initiated classic remote:%s handle:%hu", |
| PRIVATE_ADDRESS(remote_address), handle); |
| BTM_LogHistory(kBtmLogTag, ToRawAddress(remote_address), |
| "Disconnection initiated", |
| base::StringPrintf("classic reason:%s comment:%s", |
| hci_status_code_text(reason).c_str(), |
| comment.c_str())); |
| classic_acl_disconnect_reason_.Put(comment); |
| } else { |
| LOG_WARN("Unable to disconnect unknown classic connection handle:0x%04x", |
| handle); |
| } |
| } |
| |
| void disconnect_le(uint16_t handle, tHCI_STATUS reason, std::string comment) { |
| auto connection = handle_to_le_connection_map_.find(handle); |
| if (connection != handle_to_le_connection_map_.end()) { |
| auto remote_address_with_type = |
| connection->second->GetRemoteAddressWithType(); |
| connection->second->InitiateDisconnect( |
| ToDisconnectReasonFromLegacy(reason)); |
| LOG_DEBUG("Disconnection initiated le remote:%s handle:%hu", |
| PRIVATE_ADDRESS(remote_address_with_type), handle); |
| BTM_LogHistory(kBtmLogTag, |
| ToLegacyAddressWithType(remote_address_with_type), |
| "Disconnection initiated", |
| base::StringPrintf("Le reason:%s comment:%s", |
| hci_status_code_text(reason).c_str(), |
| comment.c_str())); |
| le_acl_disconnect_reason_.Put(comment); |
| } else { |
| LOG_WARN("Unable to disconnect unknown le connection handle:0x%04x", |
| handle); |
| } |
| } |
| |
| void accept_le_connection_from(const hci::AddressWithType& address_with_type, |
| bool is_direct, std::promise<bool> promise) { |
| if (shadow_acceptlist_.IsFull()) { |
| LOG_ERROR("Acceptlist is full preventing new Le connection"); |
| promise.set_value(false); |
| return; |
| } |
| shadow_acceptlist_.Add(address_with_type); |
| promise.set_value(true); |
| GetAclManager()->CreateLeConnection(address_with_type, is_direct); |
| LOG_DEBUG("Allow Le connection from remote:%s", |
| PRIVATE_ADDRESS(address_with_type)); |
| BTM_LogHistory(kBtmLogTag, ToLegacyAddressWithType(address_with_type), |
| "Allow connection from", "Le"); |
| } |
| |
| void ignore_le_connection_from( |
| const hci::AddressWithType& address_with_type) { |
| shadow_acceptlist_.Remove(address_with_type); |
| GetAclManager()->CancelLeConnect(address_with_type); |
| LOG_DEBUG("Ignore Le connection from remote:%s", |
| PRIVATE_ADDRESS(address_with_type)); |
| BTM_LogHistory(kBtmLogTag, ToLegacyAddressWithType(address_with_type), |
| "Ignore connection from", "Le"); |
| } |
| |
| void clear_acceptlist() { |
| auto shadow_acceptlist = shadow_acceptlist_.GetCopy(); |
| size_t count = shadow_acceptlist.size(); |
| GetAclManager()->ClearConnectList(); |
| shadow_acceptlist_.Clear(); |
| LOG_DEBUG("Cleared entire Le address acceptlist count:%zu", count); |
| } |
| |
| void AddToAddressResolution(const hci::AddressWithType& address_with_type, |
| const std::array<uint8_t, 16>& peer_irk, |
| const std::array<uint8_t, 16>& local_irk) { |
| if (shadow_address_resolution_list_.IsFull()) { |
| LOG_WARN("Le Address Resolution list is full size:%zu", |
| shadow_address_resolution_list_.Size()); |
| return; |
| } |
| // TODO This should really be added upon successful completion |
| shadow_address_resolution_list_.Add(address_with_type); |
| GetAclManager()->AddDeviceToResolvingList(address_with_type, peer_irk, |
| local_irk); |
| } |
| |
| void RemoveFromAddressResolution( |
| const hci::AddressWithType& address_with_type) { |
| // TODO This should really be removed upon successful removal |
| if (!shadow_address_resolution_list_.Remove(address_with_type)) { |
| LOG_WARN("Unable to remove from Le Address Resolution list device:%s", |
| PRIVATE_ADDRESS(address_with_type)); |
| } |
| GetAclManager()->RemoveDeviceFromResolvingList(address_with_type); |
| } |
| |
| void ClearResolvingList() { |
| GetAclManager()->ClearResolvingList(); |
| // TODO This should really be cleared after successful clear status |
| shadow_address_resolution_list_.Clear(); |
| } |
| |
| void DumpConnectionHistory() const { |
| std::vector<std::string> history = |
| connection_history_.ReadElementsAsString(); |
| for (auto& entry : history) { |
| LOG_DEBUG("%s", entry.c_str()); |
| } |
| const auto acceptlist = shadow_acceptlist_.GetCopy(); |
| LOG_DEBUG("Shadow le accept list size:%-3zu controller_max_size:%hhu", |
| acceptlist.size(), |
| controller_get_interface()->get_ble_acceptlist_size()); |
| for (auto& entry : acceptlist) { |
| LOG_DEBUG("acceptlist:%s", entry.ToString().c_str()); |
| } |
| } |
| |
| #define DUMPSYS_TAG "shim::acl" |
| void DumpConnectionHistory(int fd) const { |
| std::vector<std::string> history = |
| connection_history_.ReadElementsAsString(); |
| for (auto& entry : history) { |
| LOG_DUMPSYS(fd, "%s", entry.c_str()); |
| } |
| if (classic_acl_disconnect_reason_.Size() > 0) { |
| LOG_DUMPSYS(fd, "Classic sources of initiated disconnects"); |
| for (const auto& item : |
| classic_acl_disconnect_reason_.GetSortedHighToLow()) { |
| LOG_DUMPSYS(fd, " %s:%zu", item.item.c_str(), item.count); |
| } |
| } |
| if (le_acl_disconnect_reason_.Size() > 0) { |
| LOG_DUMPSYS(fd, "Le sources of initiated disconnects"); |
| for (const auto& item : le_acl_disconnect_reason_.GetSortedHighToLow()) { |
| LOG_DUMPSYS(fd, " %s:%zu", item.item.c_str(), item.count); |
| } |
| } |
| |
| auto acceptlist = shadow_acceptlist_.GetCopy(); |
| LOG_DUMPSYS(fd, |
| "Shadow le accept list size:%-3zu " |
| "controller_max_size:%hhu", |
| acceptlist.size(), |
| controller_get_interface()->get_ble_acceptlist_size()); |
| unsigned cnt = 0; |
| for (auto& entry : acceptlist) { |
| LOG_DUMPSYS(fd, " %03u %s", ++cnt, entry.ToString().c_str()); |
| } |
| auto address_resolution_list = shadow_address_resolution_list_.GetCopy(); |
| LOG_DUMPSYS(fd, |
| "Shadow le address resolution list size:%-3zu " |
| "controller_max_size:%hhu", |
| address_resolution_list.size(), |
| controller_get_interface()->get_ble_resolving_list_max_size()); |
| cnt = 0; |
| for (auto& entry : address_resolution_list) { |
| LOG_DUMPSYS(fd, " %03u %s", ++cnt, entry.ToString().c_str()); |
| } |
| } |
| #undef DUMPSYS_TAG |
| }; |
| |
| #define DUMPSYS_TAG "shim::legacy::l2cap" |
| extern tL2C_CB l2cb; |
| void DumpsysL2cap(int fd) { |
| LOG_DUMPSYS_TITLE(fd, DUMPSYS_TAG); |
| for (int i = 0; i < MAX_L2CAP_LINKS; i++) { |
| const tL2C_LCB& lcb = l2cb.lcb_pool[i]; |
| if (!lcb.in_use) continue; |
| LOG_DUMPSYS(fd, "link_state:%s", link_state_text(lcb.link_state).c_str()); |
| LOG_DUMPSYS(fd, "handle:0x%04x", lcb.Handle()); |
| |
| const tL2C_CCB* ccb = lcb.ccb_queue.p_first_ccb; |
| while (ccb != nullptr) { |
| LOG_DUMPSYS( |
| fd, " active channel lcid:0x%04x rcid:0x%04x is_ecoc:%s in_use:%s", |
| ccb->local_cid, ccb->remote_cid, common::ToString(ccb->ecoc).c_str(), |
| common::ToString(ccb->in_use).c_str()); |
| ccb = ccb->p_next_ccb; |
| } |
| } |
| } |
| |
| #undef DUMPSYS_TAG |
| #define DUMPSYS_TAG "shim::legacy::acl" |
| void DumpsysAcl(int fd) { |
| const tACL_CB& acl_cb = btm_cb.acl_cb_; |
| |
| LOG_DUMPSYS_TITLE(fd, DUMPSYS_TAG); |
| |
| shim::Stack::GetInstance()->GetAcl()->DumpConnectionHistory(fd); |
| |
| for (int i = 0; i < MAX_L2CAP_LINKS; i++) { |
| const tACL_CONN& link = acl_cb.acl_db[i]; |
| if (!link.in_use) continue; |
| |
| LOG_DUMPSYS(fd, "remote_addr:%s handle:0x%04x transport:%s", |
| link.remote_addr.ToString().c_str(), link.hci_handle, |
| bt_transport_text(link.transport).c_str()); |
| LOG_DUMPSYS(fd, " link_up_issued:%5s", |
| (link.link_up_issued) ? "true" : "false"); |
| LOG_DUMPSYS(fd, " flush_timeout:0x%04x", link.flush_timeout_in_ticks); |
| LOG_DUMPSYS(fd, " link_supervision_timeout:%.3f sec", |
| ticks_to_seconds(link.link_super_tout)); |
| LOG_DUMPSYS(fd, " disconnect_reason:0x%02x", link.disconnect_reason); |
| |
| if (link.is_transport_br_edr()) { |
| for (int j = 0; j < HCI_EXT_FEATURES_PAGE_MAX + 1; j++) { |
| if (!link.peer_lmp_feature_valid[j]) continue; |
| LOG_DUMPSYS(fd, " peer_lmp_features[%d] valid:%s data:%s", j, |
| common::ToString(link.peer_lmp_feature_valid[j]).c_str(), |
| bd_features_text(link.peer_lmp_feature_pages[j]).c_str()); |
| } |
| LOG_DUMPSYS(fd, " [classic] link_policy:%s", |
| link_policy_text(static_cast<tLINK_POLICY>(link.link_policy)) |
| .c_str()); |
| LOG_DUMPSYS(fd, " [classic] sniff_subrating:%s", |
| common::ToString(HCI_SNIFF_SUB_RATE_SUPPORTED( |
| link.peer_lmp_feature_pages[0])) |
| .c_str()); |
| |
| LOG_DUMPSYS(fd, " pkt_types_mask:0x%04x", link.pkt_types_mask); |
| LOG_DUMPSYS(fd, " role:%s", RoleText(link.link_role).c_str()); |
| } else if (link.is_transport_ble()) { |
| LOG_DUMPSYS(fd, " [le] peer_features valid:%s data:%s", |
| common::ToString(link.peer_le_features_valid).c_str(), |
| bd_features_text(link.peer_le_features).c_str()); |
| |
| LOG_DUMPSYS(fd, " [le] active_remote_addr:%s[%s]", |
| link.active_remote_addr.ToString().c_str(), |
| AddressTypeText(link.active_remote_addr_type).c_str()); |
| LOG_DUMPSYS(fd, " [le] conn_addr:%s[%s]", |
| link.conn_addr.ToString().c_str(), |
| AddressTypeText(link.conn_addr_type).c_str()); |
| } |
| } |
| } |
| #undef DUMPSYS_TAG |
| |
| using Record = common::TimestampedEntry<std::string>; |
| const std::string kTimeFormat("%Y-%m-%d %H:%M:%S"); |
| |
| #define DUMPSYS_TAG "shim::legacy::hid" |
| extern btif_hh_cb_t btif_hh_cb; |
| |
| void DumpsysHid(int fd) { |
| LOG_DUMPSYS_TITLE(fd, DUMPSYS_TAG); |
| LOG_DUMPSYS(fd, "status:%s num_devices:%u", |
| btif_hh_status_text(btif_hh_cb.status).c_str(), |
| btif_hh_cb.device_num); |
| LOG_DUMPSYS(fd, "status:%s", btif_hh_status_text(btif_hh_cb.status).c_str()); |
| for (unsigned i = 0; i < BTIF_HH_MAX_HID; i++) { |
| const btif_hh_device_t* p_dev = &btif_hh_cb.devices[i]; |
| if (p_dev->bd_addr != RawAddress::kEmpty) { |
| LOG_DUMPSYS(fd, " %u: addr:%s fd:%d state:%s ready:%s thread_id:%d", i, |
| PRIVATE_ADDRESS(p_dev->bd_addr), p_dev->fd, |
| bthh_connection_state_text(p_dev->dev_status).c_str(), |
| (p_dev->ready_for_data) ? ("T") : ("F"), |
| static_cast<int>(p_dev->hh_poll_thread_id)); |
| } |
| } |
| for (unsigned i = 0; i < BTIF_HH_MAX_ADDED_DEV; i++) { |
| const btif_hh_added_device_t* p_dev = &btif_hh_cb.added_devices[i]; |
| if (p_dev->bd_addr != RawAddress::kEmpty) { |
| LOG_DUMPSYS(fd, " %u: addr:%s", i, PRIVATE_ADDRESS(p_dev->bd_addr)); |
| } |
| } |
| } |
| #undef DUMPSYS_TAG |
| |
| #define DUMPSYS_TAG "shim::legacy::btm" |
| void DumpsysBtm(int fd) { |
| LOG_DUMPSYS_TITLE(fd, DUMPSYS_TAG); |
| if (btm_cb.history_ != nullptr) { |
| std::vector<Record> history = btm_cb.history_->Pull(); |
| for (auto& record : history) { |
| time_t then = record.timestamp / 1000; |
| struct tm tm; |
| localtime_r(&then, &tm); |
| auto s2 = common::StringFormatTime(kTimeFormat, tm); |
| LOG_DUMPSYS(fd, " %s.%03u %s", s2.c_str(), |
| static_cast<unsigned int>(record.timestamp % 1000), |
| record.entry.c_str()); |
| } |
| } |
| } |
| #undef DUMPSYS_TAG |
| |
| #define DUMPSYS_TAG "shim::legacy::record" |
| void DumpsysRecord(int fd) { |
| LOG_DUMPSYS_TITLE(fd, DUMPSYS_TAG); |
| |
| if (btm_cb.sec_dev_rec == nullptr) { |
| LOG_DUMPSYS(fd, "Record is empty - no devices"); |
| return; |
| } |
| |
| unsigned cnt = 0; |
| list_node_t* end = list_end(btm_cb.sec_dev_rec); |
| for (list_node_t* node = list_begin(btm_cb.sec_dev_rec); node != end; |
| node = list_next(node)) { |
| tBTM_SEC_DEV_REC* p_dev_rec = |
| static_cast<tBTM_SEC_DEV_REC*>(list_node(node)); |
| LOG_DUMPSYS(fd, "%03u %s", ++cnt, p_dev_rec->ToString().c_str()); |
| } |
| } |
| #undef DUMPSYS_TAG |
| |
| void shim::legacy::Acl::Dump(int fd) const { |
| PAN_Dumpsys(fd); |
| DumpsysHid(fd); |
| DumpsysRecord(fd); |
| DumpsysAcl(fd); |
| DumpsysL2cap(fd); |
| DumpsysBtm(fd); |
| } |
| |
| shim::legacy::Acl::Acl(os::Handler* handler, |
| const acl_interface_t& acl_interface, |
| uint8_t max_acceptlist_size, |
| uint8_t max_address_resolution_size) |
| : handler_(handler), acl_interface_(acl_interface) { |
| ASSERT(handler_ != nullptr); |
| ValidateAclInterface(acl_interface_); |
| pimpl_ = std::make_unique<Acl::impl>(max_acceptlist_size, |
| max_address_resolution_size); |
| GetAclManager()->RegisterCallbacks(this, handler_); |
| GetAclManager()->RegisterLeCallbacks(this, handler_); |
| GetController()->RegisterCompletedMonitorAclPacketsCallback( |
| handler->BindOn(this, &Acl::on_incoming_acl_credits)); |
| shim::RegisterDumpsysFunction(static_cast<void*>(this), |
| [this](int fd) { Dump(fd); }); |
| |
| GetAclManager()->HACK_SetNonAclDisconnectCallback( |
| [this](uint16_t handle, uint8_t reason) { |
| TRY_POSTING_ON_MAIN(acl_interface_.connection.sco.on_disconnected, |
| handle, static_cast<tHCI_REASON>(reason)); |
| |
| // HACKCEPTION! LE ISO connections, just like SCO are not registered in |
| // GD, so ISO can use same hack to get notified about disconnections |
| TRY_POSTING_ON_MAIN(acl_interface_.connection.le.on_iso_disconnected, |
| handle, static_cast<tHCI_REASON>(reason)); |
| }); |
| } |
| |
| shim::legacy::Acl::~Acl() { |
| shim::UnregisterDumpsysFunction(static_cast<void*>(this)); |
| GetController()->UnregisterCompletedMonitorAclPacketsCallback(); |
| |
| if (CheckForOrphanedAclConnections()) { |
| pimpl_->DumpConnectionHistory(); |
| } |
| } |
| |
| bool shim::legacy::Acl::CheckForOrphanedAclConnections() const { |
| bool orphaned_acl_connections = false; |
| |
| if (!pimpl_->handle_to_classic_connection_map_.empty()) { |
| LOG_ERROR("About to destroy classic active ACL"); |
| for (const auto& connection : pimpl_->handle_to_classic_connection_map_) { |
| LOG_ERROR(" Orphaned classic ACL handle:0x%04x bd_addr:%s created:%s", |
| connection.second->Handle(), |
| PRIVATE_ADDRESS(connection.second->GetRemoteAddress()), |
| common::StringFormatTimeWithMilliseconds( |
| kConnectionDescriptorTimeFormat, |
| connection.second->GetCreationTime()) |
| .c_str()); |
| } |
| orphaned_acl_connections = true; |
| } |
| |
| if (!pimpl_->handle_to_le_connection_map_.empty()) { |
| LOG_ERROR("About to destroy le active ACL"); |
| for (const auto& connection : pimpl_->handle_to_le_connection_map_) { |
| LOG_ERROR(" Orphaned le ACL handle:0x%04x bd_addr:%s created:%s", |
| connection.second->Handle(), |
| PRIVATE_ADDRESS(connection.second->GetRemoteAddressWithType()), |
| common::StringFormatTimeWithMilliseconds( |
| kConnectionDescriptorTimeFormat, |
| connection.second->GetCreationTime()) |
| .c_str()); |
| } |
| orphaned_acl_connections = true; |
| } |
| return orphaned_acl_connections; |
| } |
| |
| void shim::legacy::Acl::on_incoming_acl_credits(uint16_t handle, |
| uint16_t credits) { |
| TRY_POSTING_ON_MAIN(acl_interface_.on_packets_completed, handle, credits); |
| } |
| |
| void shim::legacy::Acl::write_data_sync( |
| HciHandle handle, std::unique_ptr<packet::RawBuilder> packet) { |
| if (pimpl_->IsClassicAcl(handle)) { |
| pimpl_->EnqueueClassicPacket(handle, std::move(packet)); |
| } else if (pimpl_->IsLeAcl(handle)) { |
| pimpl_->EnqueueLePacket(handle, std::move(packet)); |
| } else { |
| LOG_ERROR("Unable to find destination to write data\n"); |
| } |
| } |
| |
| void shim::legacy::Acl::WriteData(HciHandle handle, |
| std::unique_ptr<packet::RawBuilder> packet) { |
| handler_->Post(common::BindOnce(&Acl::write_data_sync, |
| common::Unretained(this), handle, |
| std::move(packet))); |
| } |
| |
| void shim::legacy::Acl::CreateClassicConnection(const hci::Address& address) { |
| GetAclManager()->CreateConnection(address); |
| LOG_DEBUG("Connection initiated for classic to remote:%s", |
| PRIVATE_ADDRESS(address)); |
| BTM_LogHistory(kBtmLogTag, ToRawAddress(address), "Initiated connection", |
| "classic"); |
| } |
| |
| void shim::legacy::Acl::CancelClassicConnection(const hci::Address& address) { |
| GetAclManager()->CancelConnect(address); |
| LOG_DEBUG("Connection cancelled for classic to remote:%s", |
| PRIVATE_ADDRESS(address)); |
| BTM_LogHistory(kBtmLogTag, ToRawAddress(address), "Cancelled connection", |
| "classic"); |
| } |
| |
| void shim::legacy::Acl::AcceptLeConnectionFrom( |
| const hci::AddressWithType& address_with_type, bool is_direct, |
| std::promise<bool> promise) { |
| handler_->CallOn(pimpl_.get(), &Acl::impl::accept_le_connection_from, |
| address_with_type, is_direct, std::move(promise)); |
| } |
| |
| void shim::legacy::Acl::IgnoreLeConnectionFrom( |
| const hci::AddressWithType& address_with_type) { |
| handler_->CallOn(pimpl_.get(), &Acl::impl::ignore_le_connection_from, |
| address_with_type); |
| } |
| |
| void shim::legacy::Acl::OnClassicLinkDisconnected(HciHandle handle, |
| hci::ErrorCode reason) { |
| hci::Address remote_address = |
| pimpl_->handle_to_classic_connection_map_[handle]->GetRemoteAddress(); |
| CreationTime creation_time = |
| pimpl_->handle_to_classic_connection_map_[handle]->GetCreationTime(); |
| bool is_locally_initiated = |
| pimpl_->handle_to_classic_connection_map_[handle]->IsLocallyInitiated(); |
| |
| TeardownTime teardown_time = std::chrono::system_clock::now(); |
| |
| pimpl_->handle_to_classic_connection_map_.erase(handle); |
| TRY_POSTING_ON_MAIN(acl_interface_.connection.classic.on_disconnected, |
| ToLegacyHciErrorCode(hci::ErrorCode::SUCCESS), handle, |
| ToLegacyHciErrorCode(reason)); |
| LOG_DEBUG("Disconnected classic link remote:%s handle:%hu reason:%s", |
| PRIVATE_ADDRESS(remote_address), handle, |
| ErrorCodeText(reason).c_str()); |
| BTM_LogHistory( |
| kBtmLogTag, ToRawAddress(remote_address), "Disconnected", |
| base::StringPrintf("classic reason:%s", ErrorCodeText(reason).c_str())); |
| pimpl_->connection_history_.Push( |
| std::move(std::make_unique<ClassicConnectionDescriptor>( |
| remote_address, creation_time, teardown_time, handle, |
| is_locally_initiated, reason))); |
| } |
| |
| bluetooth::hci::AddressWithType shim::legacy::Acl::GetConnectionLocalAddress( |
| const RawAddress& remote_bda) { |
| bluetooth::hci::AddressWithType address_with_type; |
| auto remote_address = ToGdAddress(remote_bda); |
| for (auto& [handle, connection] : pimpl_->handle_to_le_connection_map_) { |
| if (connection->GetRemoteAddressWithType().GetAddress() == remote_address) { |
| return connection->GetLocalAddressWithType(); |
| } |
| } |
| LOG_WARN("address not found!"); |
| return address_with_type; |
| } |
| |
| void shim::legacy::Acl::OnLeLinkDisconnected(HciHandle handle, |
| hci::ErrorCode reason) { |
| hci::AddressWithType remote_address_with_type = |
| pimpl_->handle_to_le_connection_map_[handle]->GetRemoteAddressWithType(); |
| CreationTime creation_time = |
| pimpl_->handle_to_le_connection_map_[handle]->GetCreationTime(); |
| bool is_locally_initiated = |
| pimpl_->handle_to_le_connection_map_[handle]->IsLocallyInitiated(); |
| |
| TeardownTime teardown_time = std::chrono::system_clock::now(); |
| |
| pimpl_->handle_to_le_connection_map_.erase(handle); |
| TRY_POSTING_ON_MAIN(acl_interface_.connection.le.on_disconnected, |
| ToLegacyHciErrorCode(hci::ErrorCode::SUCCESS), handle, |
| ToLegacyHciErrorCode(reason)); |
| LOG_DEBUG("Disconnected le link remote:%s handle:%hu reason:%s", |
| PRIVATE_ADDRESS(remote_address_with_type), handle, |
| ErrorCodeText(reason).c_str()); |
| BTM_LogHistory( |
| kBtmLogTag, ToLegacyAddressWithType(remote_address_with_type), |
| "Disconnected", |
| base::StringPrintf("Le reason:%s", ErrorCodeText(reason).c_str())); |
| pimpl_->connection_history_.Push( |
| std::move(std::make_unique<LeConnectionDescriptor>( |
| remote_address_with_type, creation_time, teardown_time, handle, |
| is_locally_initiated, reason))); |
| } |
| |
| void shim::legacy::Acl::OnConnectSuccess( |
| std::unique_ptr<hci::acl_manager::ClassicAclConnection> connection) { |
| ASSERT(connection != nullptr); |
| auto handle = connection->GetHandle(); |
| bool locally_initiated = connection->locally_initiated_; |
| const hci::Address remote_address = connection->GetAddress(); |
| const RawAddress bd_addr = ToRawAddress(remote_address); |
| |
| pimpl_->handle_to_classic_connection_map_.emplace( |
| handle, std::make_unique<ClassicShimAclConnection>( |
| acl_interface_.on_send_data_upwards, |
| std::bind(&shim::legacy::Acl::OnClassicLinkDisconnected, this, |
| std::placeholders::_1, std::placeholders::_2), |
| acl_interface_.link.classic, handler_, std::move(connection), |
| std::chrono::system_clock::now())); |
| pimpl_->handle_to_classic_connection_map_[handle]->RegisterCallbacks(); |
| pimpl_->handle_to_classic_connection_map_[handle] |
| ->ReadRemoteControllerInformation(); |
| |
| TRY_POSTING_ON_MAIN(acl_interface_.connection.classic.on_connected, bd_addr, |
| handle, false); |
| LOG_DEBUG("Connection successful classic remote:%s handle:%hu initiator:%s", |
| PRIVATE_ADDRESS(remote_address), handle, |
| (locally_initiated) ? "local" : "remote"); |
| BTM_LogHistory(kBtmLogTag, ToRawAddress(remote_address), |
| "Connection successful", |
| (locally_initiated) ? "classic Local initiated" |
| : "classic Remote initiated"); |
| } |
| |
| void shim::legacy::Acl::OnConnectFail(hci::Address address, |
| hci::ErrorCode reason) { |
| const RawAddress bd_addr = ToRawAddress(address); |
| TRY_POSTING_ON_MAIN(acl_interface_.connection.classic.on_failed, bd_addr, |
| ToLegacyHciErrorCode(reason)); |
| LOG_WARN("Connection failed classic remote:%s reason:%s", |
| PRIVATE_ADDRESS(address), hci::ErrorCodeText(reason).c_str()); |
| BTM_LogHistory(kBtmLogTag, ToRawAddress(address), "Connection failed", |
| base::StringPrintf("classic reason:%s", |
| hci::ErrorCodeText(reason).c_str())); |
| } |
| |
| void shim::legacy::Acl::HACK_OnEscoConnectRequest(hci::Address address, |
| hci::ClassOfDevice cod) { |
| const RawAddress bd_addr = ToRawAddress(address); |
| types::ClassOfDevice legacy_cod; |
| types::ClassOfDevice::FromString(cod.ToLegacyConfigString(), legacy_cod); |
| |
| TRY_POSTING_ON_MAIN(acl_interface_.connection.sco.on_esco_connect_request, |
| bd_addr, legacy_cod); |
| LOG_DEBUG("Received ESCO connect request remote:%s", |
| PRIVATE_ADDRESS(address)); |
| BTM_LogHistory(kBtmLogTag, ToRawAddress(address), "ESCO Connection request"); |
| } |
| |
| void shim::legacy::Acl::HACK_OnScoConnectRequest(hci::Address address, |
| hci::ClassOfDevice cod) { |
| const RawAddress bd_addr = ToRawAddress(address); |
| types::ClassOfDevice legacy_cod; |
| types::ClassOfDevice::FromString(cod.ToLegacyConfigString(), legacy_cod); |
| |
| TRY_POSTING_ON_MAIN(acl_interface_.connection.sco.on_sco_connect_request, |
| bd_addr, legacy_cod); |
| LOG_DEBUG("Received SCO connect request remote:%s", PRIVATE_ADDRESS(address)); |
| BTM_LogHistory(kBtmLogTag, ToRawAddress(address), "SCO Connection request"); |
| } |
| |
| void shim::legacy::Acl::OnLeConnectSuccess( |
| hci::AddressWithType address_with_type, |
| std::unique_ptr<hci::acl_manager::LeAclConnection> connection) { |
| ASSERT(connection != nullptr); |
| auto handle = connection->GetHandle(); |
| |
| // Save the peer address, if any |
| hci::AddressWithType peer_address_with_type = |
| connection->peer_address_with_type_; |
| |
| hci::Role connection_role = connection->GetRole(); |
| bool locally_initiated = connection->locally_initiated_; |
| |
| pimpl_->handle_to_le_connection_map_.emplace( |
| handle, std::make_unique<LeShimAclConnection>( |
| acl_interface_.on_send_data_upwards, |
| std::bind(&shim::legacy::Acl::OnLeLinkDisconnected, this, |
| std::placeholders::_1, std::placeholders::_2), |
| acl_interface_.link.le, handler_, std::move(connection), |
| std::chrono::system_clock::now())); |
| pimpl_->handle_to_le_connection_map_[handle]->RegisterCallbacks(); |
| |
| pimpl_->handle_to_le_connection_map_[handle] |
| ->ReadRemoteControllerInformation(); |
| |
| tBLE_BD_ADDR legacy_address_with_type = |
| ToLegacyAddressWithType(address_with_type); |
| |
| uint16_t conn_interval = 36; /* TODO Default to 45 msec*/ |
| uint16_t conn_latency = 0; /* TODO Default to zero events */ |
| uint16_t conn_timeout = 500; /* TODO Default to 5s */ |
| |
| RawAddress local_rpa = RawAddress::kEmpty; /* TODO enhanced */ |
| RawAddress peer_rpa = RawAddress::kEmpty; /* TODO enhanced */ |
| tBLE_ADDR_TYPE peer_addr_type = BLE_ADDR_PUBLIC; /* TODO public */ |
| |
| // Once an le connection has successfully been established |
| // the device address is removed from the controller accept list. |
| if (IsRpa(address_with_type)) { |
| LOG_DEBUG("Connection address is rpa:%s identity_addr:%s", |
| PRIVATE_ADDRESS(address_with_type), |
| PRIVATE_ADDRESS(peer_address_with_type)); |
| pimpl_->shadow_acceptlist_.Remove(peer_address_with_type); |
| } else { |
| LOG_DEBUG("Connection address is not rpa addr:%s", |
| PRIVATE_ADDRESS(address_with_type)); |
| pimpl_->shadow_acceptlist_.Remove(address_with_type); |
| } |
| |
| TRY_POSTING_ON_MAIN( |
| acl_interface_.connection.le.on_connected, legacy_address_with_type, |
| handle, ToLegacyRole(connection_role), conn_interval, conn_latency, |
| conn_timeout, local_rpa, peer_rpa, peer_addr_type); |
| |
| LOG_DEBUG("Connection successful le remote:%s handle:%hu initiator:%s", |
| PRIVATE_ADDRESS(address_with_type), handle, |
| (locally_initiated) ? "local" : "remote"); |
| BTM_LogHistory(kBtmLogTag, ToLegacyAddressWithType(address_with_type), |
| "Connection successful", "Le"); |
| } |
| |
| void shim::legacy::Acl::OnLeConnectFail(hci::AddressWithType address_with_type, |
| hci::ErrorCode reason) { |
| tBLE_BD_ADDR legacy_address_with_type = |
| ToLegacyAddressWithType(address_with_type); |
| |
| uint16_t handle = 0; /* TODO Unneeded */ |
| bool enhanced = true; /* TODO logging metrics only */ |
| tHCI_STATUS status = ToLegacyHciErrorCode(reason); |
| |
| pimpl_->shadow_acceptlist_.Remove(address_with_type); |
| |
| TRY_POSTING_ON_MAIN(acl_interface_.connection.le.on_failed, |
| legacy_address_with_type, handle, enhanced, status); |
| LOG_WARN("Connection failed le remote:%s", |
| PRIVATE_ADDRESS(address_with_type)); |
| BTM_LogHistory( |
| kBtmLogTag, ToLegacyAddressWithType(address_with_type), |
| "Connection failed", |
| base::StringPrintf("le reason:%s", hci::ErrorCodeText(reason).c_str())); |
| } |
| |
| void shim::legacy::Acl::DisconnectClassic(uint16_t handle, tHCI_STATUS reason, |
| std::string comment) { |
| handler_->CallOn(pimpl_.get(), &Acl::impl::disconnect_classic, handle, reason, |
| comment); |
| } |
| |
| void shim::legacy::Acl::DisconnectLe(uint16_t handle, tHCI_STATUS reason, |
| std::string comment) { |
| handler_->CallOn(pimpl_.get(), &Acl::impl::disconnect_le, handle, reason, |
| comment); |
| } |
| |
| bool shim::legacy::Acl::HoldMode(uint16_t hci_handle, uint16_t max_interval, |
| uint16_t min_interval) { |
| handler_->CallOn(pimpl_.get(), &Acl::impl::HoldMode, hci_handle, max_interval, |
| min_interval); |
| return false; // TODO void |
| } |
| |
| bool shim::legacy::Acl::SniffMode(uint16_t hci_handle, uint16_t max_interval, |
| uint16_t min_interval, uint16_t attempt, |
| uint16_t timeout) { |
| handler_->CallOn(pimpl_.get(), &Acl::impl::SniffMode, hci_handle, |
| max_interval, min_interval, attempt, timeout); |
| return false; |
| } |
| |
| bool shim::legacy::Acl::ExitSniffMode(uint16_t hci_handle) { |
| handler_->CallOn(pimpl_.get(), &Acl::impl::ExitSniffMode, hci_handle); |
| return false; |
| } |
| |
| bool shim::legacy::Acl::SniffSubrating(uint16_t hci_handle, |
| uint16_t maximum_latency, |
| uint16_t minimum_remote_timeout, |
| uint16_t minimum_local_timeout) { |
| handler_->CallOn(pimpl_.get(), &Acl::impl::SniffSubrating, hci_handle, |
| maximum_latency, minimum_remote_timeout, |
| minimum_local_timeout); |
| return false; |
| } |
| |
| void shim::legacy::Acl::DumpConnectionHistory(int fd) const { |
| pimpl_->DumpConnectionHistory(fd); |
| } |
| |
| void shim::legacy::Acl::Shutdown() { |
| if (CheckForOrphanedAclConnections()) { |
| std::promise<void> shutdown_promise; |
| auto shutdown_future = shutdown_promise.get_future(); |
| handler_->CallOn(pimpl_.get(), &Acl::impl::ShutdownClassicConnections, |
| std::move(shutdown_promise)); |
| shutdown_future.wait(); |
| |
| shutdown_promise = std::promise<void>(); |
| |
| shutdown_future = shutdown_promise.get_future(); |
| handler_->CallOn(pimpl_.get(), &Acl::impl::ShutdownLeConnections, |
| std::move(shutdown_promise)); |
| shutdown_future.wait(); |
| LOG_WARN("Flushed open ACL connections"); |
| } else { |
| LOG_INFO("All ACL connections have been previously closed"); |
| } |
| } |
| |
| void shim::legacy::Acl::FinalShutdown() { |
| std::promise<void> promise; |
| auto future = promise.get_future(); |
| GetAclManager()->UnregisterCallbacks(this, std::move(promise)); |
| future.wait(); |
| LOG_DEBUG("Unregistered classic callbacks from gd acl manager"); |
| |
| promise = std::promise<void>(); |
| future = promise.get_future(); |
| GetAclManager()->UnregisterLeCallbacks(this, std::move(promise)); |
| future.wait(); |
| LOG_DEBUG("Unregistered le callbacks from gd acl manager"); |
| |
| promise = std::promise<void>(); |
| future = promise.get_future(); |
| handler_->CallOn(pimpl_.get(), &Acl::impl::FinalShutdown, std::move(promise)); |
| future.wait(); |
| LOG_INFO("Unregistered and cleared any orphaned ACL connections"); |
| } |
| |
| void shim::legacy::Acl::ClearAcceptList() { |
| handler_->CallOn(pimpl_.get(), &Acl::impl::clear_acceptlist); |
| } |
| |
| void shim::legacy::Acl::AddToAddressResolution( |
| const hci::AddressWithType& address_with_type, |
| const std::array<uint8_t, 16>& peer_irk, |
| const std::array<uint8_t, 16>& local_irk) { |
| handler_->CallOn(pimpl_.get(), &Acl::impl::AddToAddressResolution, |
| address_with_type, peer_irk, local_irk); |
| } |
| |
| void shim::legacy::Acl::RemoveFromAddressResolution( |
| const hci::AddressWithType& address_with_type) { |
| handler_->CallOn(pimpl_.get(), &Acl::impl::RemoveFromAddressResolution, |
| address_with_type); |
| } |
| |
| void shim::legacy::Acl::ClearAddressResolution() { |
| handler_->CallOn(pimpl_.get(), &Acl::impl::ClearResolvingList); |
| } |