Merge "Properly lock and release ACL connection event callbacks" (216d0cfd) · Commits · e / os / android_packages_modules_Bluetooth

system/gd/hci/acl_manager.cc

+7 −13

Original line number	Diff line number	Diff line
		@@ -91,20 +91,14 @@ struct AclManager::impl {
		return;
		}
		uint16_t handle = packet->GetHandle();
		if (handle == kQualcommDebugHandle) {
		if (handle == kQualcommDebugHandle) return;
		if (classic_impl_->send_packet_upward(
		handle, [&packet](struct acl_manager::assembler* assembler) { assembler->on_incoming_packet(*packet); }))
		return;
		}
		auto connection_pair = classic_impl_->acl_connections_.find(handle);
		if (connection_pair != classic_impl_->acl_connections_.end()) {
		connection_pair->second.assembler_.on_incoming_packet(*packet);
		} else {
		auto le_connection_pair = le_impl_->le_acl_connections_.find(handle);
		if (le_connection_pair == le_impl_->le_acl_connections_.end()) {
		LOG_INFO("Dropping packet of size %zu to unknown connection 0x%0hx", packet->size(), handle);
		if (le_impl_->send_packet_upward(
		handle, [&packet](struct acl_manager::assembler* assembler) { assembler->on_incoming_packet(*packet); }))
		return;
		}
		le_connection_pair->second.assembler_.on_incoming_packet(*packet);
		}
		LOG_INFO("Dropping packet of size %zu to unknown connection 0x%0hx", packet->size(), packet->GetHandle());
		}

		void Dump(

system/gd/hci/acl_manager/classic_acl_connection.cc

+11 −9

Original line number	Diff line number	Diff line
		@@ -327,16 +327,19 @@ struct ClassicAclConnection::impl {
		const Address& address,
		uint16_t connection_handle)
		: tracker(acl_connection_interface, address, connection_handle), queue_(std::move(queue)) {}
		ConnectionManagementCallbacks* GetEventCallbacks() {
		ASSERT(!callbacks_given_);
		callbacks_given_ = true;
		ConnectionManagementCallbacks* GetEventCallbacks(std::function<void(uint16_t)> invalidate_callbacks) {
		ASSERT_LOG(!invalidate_callbacks_, "Already returned event callbacks for this connection");
		invalidate_callbacks_ = std::move(invalidate_callbacks);
		return &tracker;
		}
		void PutEventCallbacks() {
		if (invalidate_callbacks_) invalidate_callbacks_(tracker.connection_handle_);
		invalidate_callbacks_ = {};
		}

		bool callbacks_given_{false};
		AclConnectionTracker tracker;
		std::shared_ptr<Queue> queue_;
		std::shared_ptr<std::atomic<bool>> is_callback_valid_;
		std::function<void(uint16_t)> invalidate_callbacks_;
		};

		ClassicAclConnection::ClassicAclConnection()
		@@ -350,14 +353,13 @@ ClassicAclConnection::ClassicAclConnection(std::shared_ptr<Queue> queue,
		}

		ClassicAclConnection::~ClassicAclConnection() {
		if (pimpl_->is_callback_valid_) *pimpl_->is_callback_valid_ = false;
		pimpl_->PutEventCallbacks();
		delete pimpl_;
		}

		ConnectionManagementCallbacks* ClassicAclConnection::GetEventCallbacks(
		std::shared_ptr<std::atomic<bool>> is_callback_valid) {
		pimpl_->is_callback_valid_ = is_callback_valid;
		return pimpl_->GetEventCallbacks();
		std::function<void(uint16_t)> invalidate_callbacks) {
		return pimpl_->GetEventCallbacks(std::move(invalidate_callbacks));
		}

		void ClassicAclConnection::RegisterCallbacks(ConnectionManagementCallbacks* callbacks, os::Handler* handler) {

system/gd/hci/acl_manager/classic_acl_connection.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -75,7 +75,7 @@ class ClassicAclConnection : public AclConnection {
		virtual bool ReadRemoteExtendedFeatures(uint8_t page_number);

		// Called once before passing the connection to the client
		virtual ConnectionManagementCallbacks* GetEventCallbacks(std::shared_ptr<std::atomic<bool>> is_callback_valid);
		virtual ConnectionManagementCallbacks* GetEventCallbacks(std::function<void(uint16_t)> invalidate_callbacks);

		private:
		AclConnectionInterface* acl_connection_interface_;

system/gd/hci/acl_manager/classic_impl.h

+290 −265

File changed.

Preview size limit exceeded, changes collapsed.

system/gd/hci/acl_manager/le_acl_connection.cc

+10 −10

Original line number	Diff line number	Diff line
		@@ -85,16 +85,17 @@ class LeAclConnectionTracker : public LeConnectionManagementCallbacks {
		struct LeAclConnection::impl {
		impl(LeAclConnectionInterface* le_acl_connection_interface, std::shared_ptr<Queue> queue, uint16_t connection_handle)
		: queue_(std::move(queue)), tracker(le_acl_connection_interface, connection_handle) {}
		LeConnectionManagementCallbacks* GetEventCallbacks() {
		ASSERT(!callbacks_given_);
		callbacks_given_ = true;
		LeConnectionManagementCallbacks* GetEventCallbacks(std::function<void(uint16_t)> invalidate_callbacks) {
		ASSERT_LOG(!invalidate_callbacks_, "Already returned event callbacks for this connection");
		invalidate_callbacks_ = std::move(invalidate_callbacks);
		return &tracker;
		}

		bool callbacks_given_{false};
		void PutEventCallbacks() {
		if (invalidate_callbacks_) invalidate_callbacks_(tracker.connection_handle_);
		}
		std::shared_ptr<Queue> queue_;
		LeAclConnectionTracker tracker;
		std::shared_ptr<std::atomic<bool>> is_callback_valid_;
		std::function<void(uint16_t)> invalidate_callbacks_;
		};

		LeAclConnection::LeAclConnection()
		@@ -116,7 +117,7 @@ LeAclConnection::LeAclConnection(
		}

		LeAclConnection::~LeAclConnection() {
		if (pimpl_->is_callback_valid_) *pimpl_->is_callback_valid_ = false;
		pimpl_->PutEventCallbacks();
		delete pimpl_;
		}

		@@ -140,9 +141,8 @@ void LeAclConnection::Disconnect(DisconnectReason reason) {
		}

		LeConnectionManagementCallbacks* LeAclConnection::GetEventCallbacks(
		std::shared_ptr<std::atomic<bool>> is_callback_valid) {
		pimpl_->is_callback_valid_ = is_callback_valid;
		return pimpl_->GetEventCallbacks();
		std::function<void(uint16_t)> invalidate_callbacks) {
		return pimpl_->GetEventCallbacks(std::move(invalidate_callbacks));
		}

		bool LeAclConnection::LeConnectionUpdate(uint16_t conn_interval_min, uint16_t conn_interval_max, uint16_t conn_latency,