Merge "gd: Add shim access to name db" (621577fe) · Commits · e / os / android_packages_modules_Bluetooth

system/gd/shim/Android.bp

+1 −0

Original line number	Diff line number	Diff line
		@@ -10,6 +10,7 @@ filegroup {
		"inquiry.cc",
		"l2cap.cc",
		"name.cc",
		"name_db.cc",
		"page.cc",
		"scanning.cc",
		"security.cc",

system/gd/shim/iname_db.h

0 → 100644

+41 −0

Original line number	Diff line number	Diff line
		/*
		* 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.
		*/
		#pragma once

		#include <array>
		#include <cstdint>
		#include <functional>
		#include <string>

		/**
		* The gd API exported to the legacy api
		*/
		using ReadRemoteNameDbCallback = std::function<void(std::string string_address, bool success)>;

		namespace bluetooth {
		namespace shim {

		struct INameDb {
		virtual void ReadRemoteNameDbRequest(std::string string_address, ReadRemoteNameDbCallback callback) = 0;

		virtual bool IsNameCached(std::string string_address) const = 0;
		virtual std::array<uint8_t, 248> ReadCachedRemoteName(std::string string_address) const = 0;

		virtual ~INameDb() {}
		};

		} // namespace shim
		} // namespace bluetooth

system/gd/shim/istack.h

+2 −0

Original line number	Diff line number	Diff line
		@@ -31,6 +31,7 @@ struct IDumpsys;
		struct IHciLayer;
		struct IInquiry;
		struct IName;
		struct INameDb;
		struct IL2cap;
		struct IPage;
		struct IScanning;
		@@ -49,6 +50,7 @@ struct IStack {
		virtual IHciLayer* GetHciLayer() = 0;
		virtual IInquiry* GetInquiry() = 0;
		virtual IName* GetName() = 0;
		virtual INameDb* GetNameDb() = 0;
		virtual IL2cap* GetL2cap() = 0;
		virtual IPage* GetPage() = 0;
		virtual IScanning* GetScanning() = 0;

system/gd/shim/name.h

+2 −2

Original line number	Diff line number	Diff line
		@@ -26,8 +26,8 @@ namespace shim {

		class Name : public bluetooth::Module, public bluetooth::shim::IName {
		public:
		void ReadRemoteNameRequest(std::string remote_address, ReadRemoteNameCallback callback) override;
		void CancelRemoteNameRequest(std::string remote_address, CancelRemoteNameCallback callback) override;
		void ReadRemoteNameRequest(std::string string_address, ReadRemoteNameCallback callback) override;
		void CancelRemoteNameRequest(std::string string_address, CancelRemoteNameCallback callback) override;

		Name() = default;
		~Name() = default;

system/gd/shim/name_db.cc

0 → 100644

+106 −0

Original line number	Diff line number	Diff line
		/*
		* 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.
		*/
		#define LOG_TAG "bt_gd_shim"

		#include <functional>
		#include <memory>
		#include <string>
		#include <unordered_map>

		#include "hci/address.h"
		#include "module.h"
		#include "neighbor/name_db.h"
		#include "os/handler.h"
		#include "shim/name_db.h"

		namespace bluetooth {
		namespace shim {

		namespace {
		constexpr char kModuleName[] = "shim::NameDb";
		} // namespace

		struct NameDb::impl {
		impl(neighbor::NameDbModule* module, os::Handler* handler);
		~impl() = default;

		void OnReadRemoteName(hci::Address address, bool success);
		void ReadRemoteNameDbRequest(hci::Address address, ReadRemoteNameDbCallback callback);

		std::unordered_map<hci::Address, ReadRemoteNameDbCallback> address_to_read_remote_callback_map_;
		neighbor::NameDbModule* module_{nullptr};
		os::Handler* handler_;
		};

		const ModuleFactory NameDb::Factory = ModuleFactory([]() { return new NameDb(); });

		NameDb::impl::impl(neighbor::NameDbModule* module, os::Handler* handler) : module_(module), handler_(handler) {}

		void NameDb::impl::OnReadRemoteName(hci::Address address, bool success) {
		LOG_DEBUG("%s from %s status:%s", __func__, address.ToString().c_str(), success ? "true" : "false");
		ASSERT(address_to_read_remote_callback_map_.find(address) != address_to_read_remote_callback_map_.end());
		ReadRemoteNameDbCallback callback = std::move(address_to_read_remote_callback_map_.at(address));
		address_to_read_remote_callback_map_.erase(address);
		callback(address.ToString(), success);
		}

		void NameDb::impl::ReadRemoteNameDbRequest(hci::Address address, ReadRemoteNameDbCallback callback) {
		ASSERT(address_to_read_remote_callback_map_.find(address) == address_to_read_remote_callback_map_.end());
		address_to_read_remote_callback_map_[address] = std::move(callback);

		module_->ReadRemoteNameRequest(address, common::BindOnce(&NameDb::impl::OnReadRemoteName, common::Unretained(this)),
		handler_);
		}

		void NameDb::ReadRemoteNameDbRequest(std::string string_address, ReadRemoteNameDbCallback callback) {
		hci::Address address;
		ASSERT(hci::Address::FromString(string_address, address));
		pimpl_->ReadRemoteNameDbRequest(address, std::move(callback));
		}

		bool NameDb::IsNameCached(std::string string_address) const {
		hci::Address address;
		ASSERT(hci::Address::FromString(string_address, address));
		return pimpl_->module_->IsNameCached(address);
		}

		std::array<uint8_t, 248> NameDb::ReadCachedRemoteName(std::string string_address) const {
		hci::Address address;
		ASSERT(hci::Address::FromString(string_address, address));
		return pimpl_->module_->ReadCachedRemoteName(address);
		}

		/**
		* Module methods
		*/
		void NameDb::ListDependencies(ModuleList* list) {
		list->add<neighbor::NameDbModule>();
		}

		void NameDb::Start() {
		pimpl_ = std::make_unique<impl>(GetDependency<neighbor::NameDbModule>(), GetHandler());
		}

		void NameDb::Stop() {
		pimpl_.reset();
		}

		std::string NameDb::ToString() const {
		return kModuleName;
		}

		} // namespace shim
		} // namespace bluetooth