1 files changed, 142 insertions, 0 deletions
diff --git a/include/device.h b/include/device.h
new file mode 100644
index 0000000..8bc661a
--- /dev/null
+++ b/include/device.h
@@ -0,0 +1,142 @@
+#ifndef DEVICE_H
+#define DEVICE_H
+#include <chrono>
+#include "hidapi/hidapi.h"
+#include <cstdint>
+#include <string>
+
+#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
+};
+
+#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();
+
+  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();
+
+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;
+
+  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