1 files changed, 224 insertions, 0 deletions
diff --git a/nitrokey-sys/libnitrokey-v3.5/libnitrokey/device.h b/nitrokey-sys/libnitrokey-v3.5/libnitrokey/device.h
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@@ -0,0 +1,224 @@
+/*
+ * Copyright (c) 2015-2018 Nitrokey UG
+ *
+ * This file is part of libnitrokey.
+ *
+ * libnitrokey is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * any later version.
+ *
+ * libnitrokey is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with libnitrokey. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * SPDX-License-Identifier: LGPL-3.0
+ */
+
+#ifndef DEVICE_H
+#define DEVICE_H
+#include <chrono>
+#include "hidapi/hidapi.h"
+#include <cstdint>
+#include <memory>
+#include <string>
+#include <ostream>
+#include <vector>
+#include "misc.h"
+
+#define HID_REPORT_SIZE 65
+
+#include <atomic>
+
+namespace nitrokey {
+namespace device {
+    using namespace std::chrono_literals;
+    using std::chrono::milliseconds;
+
+    struct EnumClassHash
+    {
+        template <typename T>
+        std::size_t operator()(T t) const
+        {
+          return static_cast<std::size_t>(t);
+        }
+    };
+
+enum class DeviceModel{
+    PRO,
+    STORAGE
+};
+
+std::ostream& operator<<(std::ostream& stream, DeviceModel model);
+
+/**
+ * The USB vendor ID for Nitrokey devices.
+ */
+extern const uint16_t NITROKEY_VID;
+/**
+ * The USB product ID for the Nitrokey Pro.
+ */
+extern const uint16_t NITROKEY_PRO_PID;
+/**
+ * The USB product ID for the Nitrokey Storage.
+ */
+extern const uint16_t NITROKEY_STORAGE_PID;
+
+/**
+ * Convert the given USB product ID to a Nitrokey model.  If there is no model
+ * with that ID, return an absent value.
+ */
+misc::Option<DeviceModel> product_id_to_model(uint16_t product_id);
+
+/**
+ * Information about a connected device.
+ *
+ * This struct contains the information about a connected device returned by
+ * hidapi when enumerating the connected devices.
+ */
+struct DeviceInfo {
+    /**
+     * The model of the connected device.
+     */
+    DeviceModel m_deviceModel;
+    /**
+     * The USB connection path for the device.
+     */
+    std::string m_path;
+    /**
+     * The serial number of the device.
+     */
+    std::string m_serialNumber;
+};
+
+#include <atomic>
+
+class Device {
+
+public:
+
+  struct ErrorCounters{
+    using cnt = std::atomic_int;
+    cnt wrong_CRC;
+    cnt CRC_other_than_awaited;
+    cnt busy;
+    cnt total_retries;
+    cnt sending_error;
+    cnt receiving_error;
+    cnt total_comm_runs;
+    cnt successful_storage_commands;
+    cnt command_successful_recv;
+    cnt recv_executed;
+    cnt sends_executed;
+    cnt busy_progressbar;
+    cnt command_result_not_equal_0_recv;
+    cnt communication_successful;
+    cnt low_level_reconnect;
+    std::string get_as_string();
+
+  } m_counters = {};
+
+
+    Device(const uint16_t vid, const uint16_t pid, const DeviceModel model,
+                   const milliseconds send_receive_delay, const int retry_receiving_count,
+                   const milliseconds retry_timeout);
+
+    virtual ~Device();
+
+  // lack of device is not actually an error,
+  // so it doesn't throw
+  virtual bool connect();
+  virtual bool disconnect();
+
+  /*
+   *	Sends packet of HID_REPORT_SIZE.
+   */
+  virtual int send(const void *packet);
+
+  /*
+   *	Gets packet of HID_REPORT_SIZE.
+   *	Can sleep. See below.
+   */
+  virtual int recv(void *packet);
+
+  /***
+   * Returns true if some device is visible by OS with given VID and PID
+   * whether the device is connected through HID API or not.
+   * @return true if visible by OS
+   */
+  bool could_be_enumerated();
+  /**
+   * Returns a vector with all connected Nitrokey devices.
+   *
+   * @return information about all connected devices
+   */
+  static std::vector<DeviceInfo> enumerate();
+
+  /**
+   * Create a Device of the given model.
+   */
+  static std::shared_ptr<Device> create(DeviceModel model);
+
+
+        void show_stats();
+//  ErrorCounters get_stats(){ return m_counters; }
+  int get_retry_receiving_count() const { return m_retry_receiving_count; };
+  int get_retry_sending_count() const { return m_retry_sending_count; };
+  std::chrono::milliseconds get_retry_timeout() const { return m_retry_timeout; };
+  std::chrono::milliseconds get_send_receive_delay() const {return m_send_receive_delay;}
+
+  int get_last_command_status() {int a = std::atomic_exchange(&last_command_status, static_cast<uint8_t>(0)); return a;};
+  void set_last_command_status(uint8_t _err) { last_command_status = _err;} ;
+  bool last_command_sucessfull() const {return last_command_status == 0;};
+  DeviceModel get_device_model() const {return m_model;}
+  void set_receiving_delay(std::chrono::milliseconds delay);
+  void set_retry_delay(std::chrono::milliseconds delay);
+  static void set_default_device_speed(int delay);
+  void setDefaultDelay();
+  void set_path(const std::string path);
+
+
+        private:
+  std::atomic<uint8_t> last_command_status;
+  void _reconnect();
+  bool _connect();
+  bool _disconnect();
+
+protected:
+  const uint16_t m_vid;
+  const uint16_t m_pid;
+  const DeviceModel m_model;
+
+  /*
+   *	While the project uses Signal11 portable HIDAPI
+   *	library, there's no way of doing it asynchronously,
+   *	hence polling.
+   */
+  const int m_retry_sending_count;
+  const int m_retry_receiving_count;
+  std::chrono::milliseconds m_retry_timeout;
+  std::chrono::milliseconds m_send_receive_delay;
+  std::atomic<hid_device *>mp_devhandle;
+  std::string m_path;
+
+  static std::atomic_int instances_count;
+  static std::chrono::milliseconds default_delay ;
+};
+
+class Stick10 : public Device {
+ public:
+  Stick10();
+
+};
+
+class Stick20 : public Device {
+ public:
+  Stick20();
+};
+}
+}
+#endif