| /* |
| * 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. |
| */ |
| #define LOG_TAG "bt_gd_shim" |
| |
| #include <functional> |
| #include <memory> |
| #include <string> |
| #include <unordered_map> |
| |
| #include "hci/address.h" |
| #include "hci/hci_packets.h" |
| #include "module.h" |
| #include "neighbor/name.h" |
| #include "os/handler.h" |
| #include "os/log.h" |
| #include "shim/name.h" |
| |
| namespace bluetooth { |
| namespace shim { |
| |
| struct Name::impl { |
| void ReadRemoteNameRequest(const hci::Address address, hci::PageScanRepetitionMode page_scan_repetition_mode, |
| uint16_t clock_offset, hci::ClockOffsetValid clock_offset_valid, |
| ReadRemoteNameCallback callback); |
| void CancelRemoteNameRequest(const hci::Address address, CancelRemoteNameCallback callback); |
| |
| void OnReadRemoteName(hci::ErrorCode status, hci::Address address, std::array<uint8_t, 248> name); |
| void OnCancelRemoteName(hci::ErrorCode status, hci::Address address); |
| |
| impl(neighbor::NameModule* module, os::Handler* handler); |
| ~impl(); |
| |
| private: |
| std::unordered_map<hci::Address, ReadRemoteNameCallback> address_to_read_remote_callback_map_; |
| std::unordered_map<hci::Address, CancelRemoteNameCallback> address_to_cancel_remote_callback_map_; |
| |
| neighbor::NameModule* module_{nullptr}; |
| os::Handler* handler_; |
| }; |
| |
| const ModuleFactory Name::Factory = ModuleFactory([]() { return new Name(); }); |
| |
| void Name::impl::OnReadRemoteName(hci::ErrorCode status, hci::Address address, std::array<uint8_t, 248> name) { |
| LOG_DEBUG("%s from %s", __func__, address.ToString().c_str()); |
| ASSERT(address_to_read_remote_callback_map_.find(address) != address_to_read_remote_callback_map_.end()); |
| ReadRemoteNameCallback callback = address_to_read_remote_callback_map_[address]; |
| address_to_read_remote_callback_map_.erase(address); |
| callback(address.ToString(), static_cast<uint8_t>(status), name); |
| } |
| |
| void Name::impl::OnCancelRemoteName(hci::ErrorCode status, hci::Address address) { |
| LOG_DEBUG("%s from %s", __func__, address.ToString().c_str()); |
| ASSERT(address_to_cancel_remote_callback_map_.find(address) != address_to_cancel_remote_callback_map_.end()); |
| CancelRemoteNameCallback callback = address_to_cancel_remote_callback_map_[address]; |
| address_to_cancel_remote_callback_map_.erase(address); |
| callback(address.ToString(), static_cast<uint8_t>(status)); |
| } |
| |
| void Name::impl::ReadRemoteNameRequest(const hci::Address address, |
| hci::PageScanRepetitionMode page_scan_repetition_mode, uint16_t clock_offset, |
| hci::ClockOffsetValid clock_offset_valid, ReadRemoteNameCallback callback) { |
| ASSERT(address_to_read_remote_callback_map_.find(address) == address_to_read_remote_callback_map_.end()); |
| address_to_read_remote_callback_map_[address] = callback; |
| module_->ReadRemoteNameRequest(address, page_scan_repetition_mode, clock_offset, clock_offset_valid, |
| common::BindOnce(&Name::impl::OnReadRemoteName, common::Unretained(this)), handler_); |
| } |
| |
| void Name::impl::CancelRemoteNameRequest(const hci::Address address, CancelRemoteNameCallback callback) { |
| ASSERT(address_to_cancel_remote_callback_map_.find(address) == address_to_cancel_remote_callback_map_.end()); |
| address_to_cancel_remote_callback_map_[address] = callback; |
| module_->CancelRemoteNameRequest(address, common::BindOnce(&Name::impl::OnCancelRemoteName, common::Unretained(this)), |
| handler_); |
| } |
| |
| Name::impl::impl(neighbor::NameModule* module, os::Handler* handler) : module_(module), handler_(handler) {} |
| |
| Name::impl::~impl() {} |
| |
| void Name::ReadRemoteNameRequest(std::string remote_address, ReadRemoteNameCallback callback) { |
| hci::Address address; |
| hci::Address::FromString(remote_address, address); |
| |
| // TODO(cmanton) Use remote name request defaults for now |
| hci::PageScanRepetitionMode page_scan_repetition_mode = hci::PageScanRepetitionMode::R1; |
| uint16_t clock_offset = 0; |
| hci::ClockOffsetValid clock_offset_valid = hci::ClockOffsetValid::INVALID; |
| pimpl_->ReadRemoteNameRequest(address, page_scan_repetition_mode, clock_offset, clock_offset_valid, callback); |
| } |
| |
| void Name::CancelRemoteNameRequest(std::string remote_address, CancelRemoteNameCallback callback) { |
| hci::Address address; |
| hci::Address::FromString(remote_address, address); |
| pimpl_->CancelRemoteNameRequest(address, callback); |
| } |
| |
| /** |
| * Module methods |
| */ |
| void Name::ListDependencies(ModuleList* list) { |
| list->add<neighbor::NameModule>(); |
| } |
| |
| void Name::Start() { |
| pimpl_ = std::make_unique<impl>(GetDependency<neighbor::NameModule>(), GetHandler()); |
| } |
| |
| void Name::Stop() { |
| pimpl_.reset(); |
| } |
| |
| } // namespace shim |
| } // namespace bluetooth |