| // Copyright 2017 The Chromium 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 DEVICE_FIDO_FIDO_BLE_DEVICE_H_ |
| #define DEVICE_FIDO_FIDO_BLE_DEVICE_H_ |
| |
| #include <memory> |
| #include <string> |
| #include <utility> |
| #include <vector> |
| |
| #include "base/component_export.h" |
| #include "base/containers/queue.h" |
| #include "base/macros.h" |
| #include "base/memory/weak_ptr.h" |
| #include "base/optional.h" |
| #include "base/strings/string_piece.h" |
| #include "base/timer/timer.h" |
| #include "device/fido/fido_ble_connection.h" |
| #include "device/fido/fido_ble_transaction.h" |
| #include "device/fido/fido_constants.h" |
| #include "device/fido/fido_device.h" |
| |
| namespace device { |
| |
| class FidoBleFrame; |
| |
| class COMPONENT_EXPORT(DEVICE_FIDO) FidoBleDevice : public FidoDevice { |
| public: |
| using FrameCallback = FidoBleTransaction::FrameCallback; |
| explicit FidoBleDevice(std::string address); |
| explicit FidoBleDevice(std::unique_ptr<FidoBleConnection> connection); |
| ~FidoBleDevice() override; |
| |
| void Connect(); |
| void SendPing(std::vector<uint8_t> data, DeviceCallback callback); |
| static std::string GetId(base::StringPiece address); |
| |
| // FidoDevice: |
| void TryWink(WinkCallback callback) override; |
| void Cancel() override; |
| std::string GetId() const override; |
| |
| // Returns whether or not the underlying BLE device is currently in pairing |
| // mode by investigating the advertisement payload. |
| bool IsInPairingMode() const; |
| |
| FidoBleConnection::ConnectionStatusCallback |
| GetConnectionStatusCallbackForTesting(); |
| FidoBleConnection::ReadCallback GetReadCallbackForTesting(); |
| |
| protected: |
| // FidoDevice: |
| void DeviceTransact(std::vector<uint8_t> command, |
| DeviceCallback callback) override; |
| base::WeakPtr<FidoDevice> GetWeakPtr() override; |
| |
| virtual void OnResponseFrame(FrameCallback callback, |
| base::Optional<FidoBleFrame> frame); |
| void Transition(); |
| void AddToPendingFrames(FidoBleDeviceCommand cmd, |
| std::vector<uint8_t> request, |
| DeviceCallback callback); |
| void ResetTransaction(); |
| |
| private: |
| void OnConnectionStatus(bool success); |
| void OnStatusMessage(std::vector<uint8_t> data); |
| |
| void ReadControlPointLength(); |
| void OnReadControlPointLength(base::Optional<uint16_t> length); |
| |
| void SendPendingRequestFrame(); |
| void SendRequestFrame(FidoBleFrame frame, FrameCallback callback); |
| |
| void StartTimeout(); |
| void StopTimeout(); |
| void OnTimeout(); |
| |
| base::OneShotTimer timer_; |
| |
| std::unique_ptr<FidoBleConnection> connection_; |
| uint16_t control_point_length_ = 0; |
| |
| base::queue<std::pair<FidoBleFrame, FrameCallback>> pending_frames_; |
| base::Optional<FidoBleTransaction> transaction_; |
| |
| base::WeakPtrFactory<FidoBleDevice> weak_factory_; |
| |
| DISALLOW_COPY_AND_ASSIGN(FidoBleDevice); |
| }; |
| |
| } // namespace device |
| |
| #endif // DEVICE_FIDO_FIDO_BLE_DEVICE_H_ |