| // Copyright 2017 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef GARNET_DRIVERS_BLUETOOTH_LIB_TESTING_FAKE_DEVICE_H_ |
| #define GARNET_DRIVERS_BLUETOOTH_LIB_TESTING_FAKE_DEVICE_H_ |
| |
| #include <unordered_set> |
| |
| #include "garnet/drivers/bluetooth/lib/common/byte_buffer.h" |
| #include "garnet/drivers/bluetooth/lib/common/device_address.h" |
| #include "garnet/drivers/bluetooth/lib/hci/connection.h" |
| #include "garnet/drivers/bluetooth/lib/hci/connection_parameters.h" |
| #include "garnet/drivers/bluetooth/lib/hci/hci.h" |
| #include "garnet/drivers/bluetooth/lib/testing/fake_gatt_server.h" |
| #include "lib/fxl/macros.h" |
| |
| namespace btlib { |
| namespace testing { |
| |
| class FakeController; |
| |
| // FakeDevice is used to emulate a remote Bluetooth device. |
| class FakeDevice { |
| public: |
| // NOTE: Setting |connectable| to true will result in a "Connectable and |
| // Scannable Advertisement" (i.e. ADV_IND) even if |scannable| is set to |
| // false. This is OK since we use |scannable| to drive the receipt of Scan |
| // Response PDUs: we use this to test the condition in which the advertisement |
| // is scannable but the host never receives a scan response. |
| explicit FakeDevice(const common::DeviceAddress& address, |
| bool connectable = true, |
| bool scannable = true); |
| |
| void SetAdvertisingData(const common::ByteBuffer& data); |
| |
| // Mark this device for directed advertising. CreateAdvertisingReportEvent |
| // will return directed advertisements only. |
| void enable_directed_advertising(bool enable) { directed_ = enable; } |
| |
| // Toggles whether the address of this device represents a resolved RPA. |
| void set_address_resolved(bool value) { address_resolved_ = value; } |
| |
| bool has_advertising_reports() { |
| return (adv_data_.size() > 0) || (scan_rsp_.size() > 0) || directed_; |
| }; |
| |
| bool has_inquiry_response() { |
| // All BR/EDR devices have inquiry responses. |
| return address().type() == common::DeviceAddress::Type::kBREDR; |
| }; |
| |
| // |should_batch_reports| indicates to the FakeController that the SCAN_IND |
| // report should be included in the same HCI LE Advertising Report Event |
| // payload that includes the original advertising data (see comments for |
| // should_batch_reports()). |
| void SetScanResponse(bool should_batch_reports, |
| const common::ByteBuffer& data); |
| |
| // Generates and returns a LE Advertising Report Event payload. If |
| // |include_scan_rsp| is true, then the returned PDU will contain two reports |
| // including the SCAN_IND report. |
| common::DynamicByteBuffer CreateAdvertisingReportEvent( |
| bool include_scan_rsp) const; |
| |
| // Generates a LE Advertising Report Event payload containing the scan |
| // response. |
| common::DynamicByteBuffer CreateScanResponseReportEvent() const; |
| |
| // Generates a Inquiry Response Event payload containing a inquiry result |
| // response. |
| common::DynamicByteBuffer CreateInquiryResponseEvent( |
| hci::InquiryMode mode) const; |
| |
| const common::DeviceAddress& address() const { return address_; } |
| |
| // Indicates whether or not this device should include the scan response and |
| // the advertising data in the same HCI LE Advertising Report Event. This is |
| // used to test that the host stack can correctly consolidate advertising |
| // reports when the payloads are spread across events and when they are |
| // batched together in the same event. |
| // |
| // This isn't used by FakeDevice directly to generated batched reports. Rather |
| // it is a hint to the corresponding FakeController which decides how the |
| // reports should be generated. |
| bool should_batch_reports() const { return should_batch_reports_; } |
| |
| // Returns true if this device is scannable. We use this to tell |
| // FakeController whether or not it should send scan response PDUs. |
| bool scannable() const { return scannable_; } |
| |
| bool connectable() const { return connectable_; } |
| |
| bool connected() const { return connected_; } |
| void set_connected(bool connected) { connected_ = connected; } |
| |
| void set_class_of_device(common::DeviceClass class_of_device) { |
| class_of_device_ = class_of_device; |
| } |
| |
| const hci::LEConnectionParameters& le_params() const { return le_params_; } |
| void set_le_params(const hci::LEConnectionParameters& value) { |
| le_params_ = value; |
| } |
| |
| // The response status that will be returned when this device receives a LE |
| // Create Connection command. |
| hci::StatusCode connect_response() const { return connect_response_; } |
| void set_connect_response(hci::StatusCode response) { |
| connect_response_ = response; |
| } |
| |
| // The status that will be returned in the Command Status event in response to |
| // a LE Create Connection command. If this is set to anything other than |
| // hci::StatusCode::kSuccess, then connect_response() will have no effect. |
| hci::StatusCode connect_status() const { return connect_status_; } |
| void set_connect_status(hci::StatusCode status) { connect_status_ = status; } |
| |
| bool force_pending_connect() const { return force_pending_connect_; } |
| void set_force_pending_connect(bool value) { force_pending_connect_ = value; } |
| |
| void AddLink(hci::ConnectionHandle handle); |
| void RemoveLink(hci::ConnectionHandle handle); |
| bool HasLink(hci::ConnectionHandle handle) const; |
| |
| using HandleSet = std::unordered_set<hci::ConnectionHandle>; |
| const HandleSet& logical_links() const { return logical_links_; } |
| |
| // Marks this device as disconnected. Clears and returns all logical link |
| // handles. |
| HandleSet Disconnect(); |
| |
| // Returns the FakeController that has been assigned to this device. |
| FakeController* ctrl() const { return ctrl_; } |
| |
| private: |
| friend class FakeController; |
| |
| // Called by a FakeController when a FakeDevice is registered with it. |
| void set_ctrl(FakeController* ctrl) { ctrl_ = ctrl; } |
| |
| void WriteScanResponseReport(hci::LEAdvertisingReportData* report) const; |
| |
| void OnRxL2CAP(hci::ConnectionHandle conn, const common::ByteBuffer& pdu); |
| |
| // The FakeController that this FakeDevice has been assigned to. |
| FakeController* ctrl_; // weak |
| |
| common::DeviceAddress address_; |
| bool connected_; |
| bool connectable_; |
| bool scannable_; |
| bool directed_; |
| bool address_resolved_; |
| |
| hci::StatusCode connect_status_; |
| hci::StatusCode connect_response_; |
| bool force_pending_connect_; // Causes connection requests to remain pending. |
| |
| hci::LEConnectionParameters le_params_; |
| |
| bool should_batch_reports_; |
| common::DynamicByteBuffer adv_data_; |
| common::DynamicByteBuffer scan_rsp_; |
| |
| // Open connection handles. |
| HandleSet logical_links_; |
| |
| // Class of device |
| common::DeviceClass class_of_device_; |
| |
| FakeGattServer gatt_server_; |
| |
| FXL_DISALLOW_COPY_AND_ASSIGN(FakeDevice); |
| }; |
| |
| } // namespace testing |
| } // namespace btlib |
| |
| #endif // GARNET_DRIVERS_BLUETOOTH_LIB_TESTING_FAKE_DEVICE_H_ |