gd shim l2cap_test (d3dec7b2) · Commits · e / os / android_packages_modules_Bluetooth

system/gd/l2cap/classic/dynamic_channel_manager.h

+12 −6

Original line number	Diff line number	Diff line
		@@ -94,7 +94,7 @@ class DynamicChannelManager {
		*
		* Returns: true if connection was able to be initiated, false otherwise.
		*/
		bool ConnectChannel(hci::Address device, DynamicChannelConfigurationOption configuration_option, Psm psm,
		virtual bool ConnectChannel(hci::Address device, DynamicChannelConfigurationOption configuration_option, Psm psm,
		OnConnectionOpenCallback on_connection_open, OnConnectionFailureCallback on_fail_callback,
		os::Handler* handler);

		@@ -119,12 +119,18 @@ class DynamicChannelManager {
		* @param handler: The handler context in which to execute the @callback parameter.
		* @param configuration_option: The configuration options for this channel
		*/
		bool RegisterService(Psm psm, DynamicChannelConfigurationOption configuration_option,
		const SecurityPolicy& security_policy, OnRegistrationCompleteCallback on_registration_complete,
		virtual bool RegisterService(Psm psm, DynamicChannelConfigurationOption configuration_option,
		const SecurityPolicy& security_policy,
		OnRegistrationCompleteCallback on_registration_complete,
		OnConnectionOpenCallback on_connection_open, os::Handler* handler);

		friend class L2capClassicModule;

		virtual ~DynamicChannelManager() = default;

		protected:
		DynamicChannelManager() = default;

		private:
		// The constructor is not to be used by user code
		DynamicChannelManager(internal::DynamicChannelServiceManagerImpl* service_manager,

system/gd/shim/Android.bp

+1 −0

Original line number	Diff line number	Diff line
		@@ -21,6 +21,7 @@ filegroup {
		filegroup {
		name: "BluetoothShimTestSources",
		srcs: [
		"l2cap_test.cc",
		],
		}

system/gd/shim/l2cap.cc

+9 −2

Original line number	Diff line number	Diff line
		@@ -137,6 +137,10 @@ class ConnectionInterface {
		void OnConnectionClosed(hci::ErrorCode error_code) {
		LOG_DEBUG("Channel interface closed reason:%s cid:%hd device:%s", hci::ErrorCodeText(error_code).c_str(), cid_,
		address_.ToString().c_str());
		if (dequeue_registered_) {
		channel_->GetQueueUpEnd()->UnregisterDequeue();
		dequeue_registered_ = false;
		}
		ASSERT(on_connection_closed_callback_ != nullptr);
		on_connection_closed_callback_(cid_, static_cast<int>(error_code));
		deleter_(cid_);
		@@ -261,8 +265,11 @@ void ConnectionInterfaceManager::AddConnection(ConnectionInterfaceDescriptor cid
		}

		void ConnectionInterfaceManager::RemoveConnection(ConnectionInterfaceDescriptor cid) {
		ASSERT(cid_to_interface_map_.count(cid) == 1);
		if (cid_to_interface_map_.count(cid) == 1) {
		cid_to_interface_map_.find(cid)->second->Close();
		} else {
		LOG_WARN("Closing a pending connection cid:%hd", cid);
		}
		}

		bool ConnectionInterfaceManager::HasResources() const {

system/gd/shim/l2cap_test.cc

0 → 100644

+180 −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.
		*/

		#include "shim/l2cap.h"

		#include <algorithm>
		#include <chrono>
		#include <future>
		#include <map>
		#include <memory>

		#include <unistd.h>

		#include <gtest/gtest.h>

		#include "common/bind.h"
		#include "hci/address.h"
		#include "l2cap/classic/dynamic_channel_configuration_option.h"
		#include "l2cap/classic/l2cap_classic_module.h"
		#include "l2cap/psm.h"
		#include "l2cap/security_policy.h"
		#include "module.h"
		#include "os/handler.h"

		namespace bluetooth {
		namespace shim {
		namespace {

		constexpr uint16_t kPsm = 123;
		constexpr char device_address[] = "11:22:33:44:55:66";

		class TestDynamicChannelManagerImpl {
		public:
		bool ConnectChannel(hci::Address device, l2cap::classic::DynamicChannelConfigurationOption configuration_option,
		l2cap::Psm psm,
		l2cap::classic::DynamicChannelManager::OnConnectionOpenCallback on_connection_open,
		l2cap::classic::DynamicChannelManager::OnConnectionFailureCallback on_fail_callback,
		os::Handler* handler) {
		connections_++;
		if (psm_to_connected_map_.find(psm) != psm_to_connected_map_.end()) {
		psm_to_connected_map_[psm]->set_value();
		}
		return true;
		}

		bool RegisterService(l2cap::Psm psm, l2cap::classic::DynamicChannelConfigurationOption configuration_option,
		const l2cap::SecurityPolicy& security_policy,
		l2cap::classic::DynamicChannelManager::OnRegistrationCompleteCallback on_registration_complete,
		l2cap::classic::DynamicChannelManager::OnConnectionOpenCallback on_connection_open,
		os::Handler* handler) {
		services_++;
		return true;
		}

		std::map<uint16_t, std::promise<void>*> psm_to_connected_map_;
		int connections_{0};
		int services_{0};

		~TestDynamicChannelManagerImpl() {
		for (auto& entry : psm_to_connected_map_) {
		delete (entry.second);
		}
		psm_to_connected_map_.clear();
		}

		TestDynamicChannelManagerImpl() = default;
		};

		class TestDynamicChannelManager : public l2cap::classic::DynamicChannelManager {
		public:
		bool ConnectChannel(hci::Address device, l2cap::classic::DynamicChannelConfigurationOption configuration_option,
		l2cap::Psm psm,
		l2cap::classic::DynamicChannelManager::OnConnectionOpenCallback on_connection_open,
		l2cap::classic::DynamicChannelManager::OnConnectionFailureCallback on_fail_callback,
		os::Handler* handler) override {
		return impl_.ConnectChannel(device, configuration_option, psm, std::move(on_connection_open),
		std::move(on_fail_callback), handler);
		}

		bool RegisterService(l2cap::Psm psm, l2cap::classic::DynamicChannelConfigurationOption configuration_option,
		const l2cap::SecurityPolicy& security_policy,
		l2cap::classic::DynamicChannelManager::OnRegistrationCompleteCallback on_registration_complete,
		l2cap::classic::DynamicChannelManager::OnConnectionOpenCallback on_connection_open,
		os::Handler* handler) override {
		return impl_.RegisterService(psm, configuration_option, security_policy, std::move(on_registration_complete),
		std::move(on_connection_open), handler);
		}
		TestDynamicChannelManager(TestDynamicChannelManagerImpl& impl) : impl_(impl) {}
		TestDynamicChannelManagerImpl& impl_;
		};

		class TestL2capClassicModule : public l2cap::classic::L2capClassicModule {
		public:
		std::unique_ptr<l2cap::classic::DynamicChannelManager> GetDynamicChannelManager() override {
		ASSERT(impl_ != nullptr);
		return std::make_unique<TestDynamicChannelManager>(*impl_);
		}

		void ListDependencies(ModuleList* list) override {}
		void Start() override;
		void Stop() override;

		TestDynamicChannelManagerImpl* impl_{nullptr};
		};

		void TestL2capClassicModule::Start() {
		impl_ = new TestDynamicChannelManagerImpl();
		}

		void TestL2capClassicModule::Stop() {
		delete impl_;
		}

		class ShimL2capTest : public ::testing::Test {
		public:
		void OnConnectionComplete(std::string string_address, uint16_t psm, uint16_t cid, bool connected) {}

		shim::L2cap* shim_l2cap_ = nullptr;
		TestL2capClassicModule* test_l2cap_classic_module_{nullptr};

		protected:
		void SetUp() override {
		test_l2cap_classic_module_ = new TestL2capClassicModule();
		test_l2cap_classic_module_->Start();
		fake_registry_.InjectTestModule(&l2cap::classic::L2capClassicModule::Factory, test_l2cap_classic_module_);

		fake_registry_.Start<shim::L2cap>(&thread_);
		shim_l2cap_ = static_cast<shim::L2cap*>(fake_registry_.GetModuleUnderTest(&shim::L2cap::Factory));
		}

		void TearDown() override {
		fake_registry_.StopAll();
		}

		private:
		TestModuleRegistry fake_registry_;
		os::Thread& thread_ = fake_registry_.GetTestThread();
		};

		TEST_F(ShimL2capTest, Module) {}

		TEST_F(ShimL2capTest, ConnectThenDisconnectBeforeCompletion) {
		std::promise<uint16_t> promise;
		auto future = promise.get_future();

		test_l2cap_classic_module_->impl_->psm_to_connected_map_[kPsm] = new std::promise<void>();
		auto connection_started = test_l2cap_classic_module_->impl_->psm_to_connected_map_[kPsm]->get_future();

		shim_l2cap_->CreateConnection(
		kPsm, device_address,
		std::bind(&bluetooth::shim::ShimL2capTest::OnConnectionComplete, this, std::placeholders::_1,
		std::placeholders::_2, std::placeholders::_3, std::placeholders::_4),
		std::move(promise));
		uint16_t cid = future.get();

		ASSERT(cid != 0);

		connection_started.wait();

		ASSERT(test_l2cap_classic_module_->impl_->connections_ == 1);

		shim_l2cap_->CloseConnection(cid);
		}

		} // namespace
		} // namespace shim
		} // namespace bluetooth

system/main/shim/l2cap.cc

+30 −21

Original line number	Diff line number	Diff line
		@@ -170,8 +170,8 @@ void bluetooth::shim::legacy::L2cap::RegisterService(
		}
		Classic().RegisterPsm(psm, callbacks);

		std::promise<void> register_completed;
		auto completed = register_completed.get_future();
		std::promise<void> register_pending;
		auto registered = register_pending.get_future();
		bool use_ertm = false;
		if (p_ertm_info != nullptr &&
		p_ertm_info->preferred_mode == L2CAP_FCR_ERTM_MODE) {
		@@ -184,8 +184,8 @@ void bluetooth::shim::legacy::L2cap::RegisterService(
		&bluetooth::shim::legacy::L2cap::OnRemoteInitiatedConnectionCreated,
		this, std::placeholders::_1, std::placeholders::_2,
		std::placeholders::_3),
		std::move(register_completed));
		completed.wait();
		std::move(register_pending));
		registered.wait();
		LOG_DEBUG(LOG_TAG, "Successfully registered service on psm:%hd", psm);
		}

		@@ -233,10 +233,9 @@ uint16_t bluetooth::shim::legacy::L2cap::CreateConnection(
		return kInvalidConnectionInterfaceDescriptor;
		}

		std::promise<uint16_t> connect_completed;
		auto completed = connect_completed.get_future();
		LOG_DEBUG(LOG_TAG,
		"Starting local initiated connection to psm:%hd address:%s", psm,
		std::promise<uint16_t> create_pending;
		auto created = create_pending.get_future();
		LOG_DEBUG(LOG_TAG, "Initiating local connection to psm:%hd address:%s", psm,
		raw_address.ToString().c_str());

		bluetooth::shim::GetL2cap()->CreateConnection(
		@@ -245,16 +244,16 @@ uint16_t bluetooth::shim::legacy::L2cap::CreateConnection(
		&bluetooth::shim::legacy::L2cap::OnLocalInitiatedConnectionCreated,
		this, std::placeholders::_1, std::placeholders::_2,
		std::placeholders::_3, std::placeholders::_4),
		std::move(connect_completed));
		std::move(create_pending));

		uint16_t cid = completed.get();
		uint16_t cid = created.get();
		if (cid == kInvalidConnectionInterfaceDescriptor) {
		LOG_WARN(LOG_TAG,
		"Failed to allocate resources to connect to psm:%hd address:%s",
		"Failed to initiate connection interface to psm:%hd address:%s",
		psm, raw_address.ToString().c_str());
		} else {
		LOG_DEBUG(LOG_TAG,
		"Successfully started connection to psm:%hd address:%s"
		"Successfully initiated connection to psm:%hd address:%s"
		" connection_interface_descriptor:%hd",
		psm, raw_address.ToString().c_str(), cid);
		CHECK(!ConnectionExists(cid));
		@@ -265,15 +264,25 @@ uint16_t bluetooth::shim::legacy::L2cap::CreateConnection(

		void bluetooth::shim::legacy::L2cap::OnLocalInitiatedConnectionCreated(
		std::string string_address, uint16_t psm, uint16_t cid, bool connected) {
		LOG_DEBUG(LOG_TAG,
		"Sending connection confirm to the upper stack but really "
		"a connection to %s has already been done cid:%hd",
		string_address.c_str(), cid);
		if (cid_closing_set_.count(cid) == 0) {
		if (connected) {
		SetDownstreamCallbacks(cid);
		} else {
		LOG_WARN(LOG_TAG,
		"Failed intitiating connection remote:%s psm:%hd cid:%hd",
		string_address.c_str(), psm, cid);
		}
		Classic().Callbacks(psm)->pL2CA_ConnectCfm_Cb(
		cid, connected ? (kConnectionSuccess) : (kConnectionFail));
		} else {
		LOG_DEBUG(LOG_TAG, "Connection Closed before presentation to upper layer");
		if (connected) {
		SetDownstreamCallbacks(cid);
		bluetooth::shim::GetL2cap()->CloseConnection(cid);
		} else {
		LOG_DEBUG(LOG_TAG, "Connection failed after initiator closed");
		}
		}
		}

		bool bluetooth::shim::legacy::L2cap::Write(uint16_t cid, BT_HDR* bt_hdr) {
		@@ -370,7 +379,7 @@ bool bluetooth::shim::legacy::L2cap::DisconnectRequest(uint16_t cid) {
		cid);
		return false;
		}
		LOG_DEBUG(LOG_TAG, "%s cid:%hu", __func__, cid);
		LOG_DEBUG(LOG_TAG, "%s initiated locally cid:%hu", __func__, cid);
		cid_closing_set_.insert(cid);
		bluetooth::shim::GetL2cap()->CloseConnection(cid);
		return true;