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authorRobin Krahl <robin.krahl@ireas.org>2018-12-10 12:42:48 +0000
committerRobin Krahl <robin.krahl@ireas.org>2018-12-10 13:46:42 +0100
commit4615f5ecf96ef4637d814a4dfeab9c404b4a3667 (patch)
tree5bd65c78c1c913d44e8917c29e91895a9de450f6 /libnitrokey-v3.4/libnitrokey/device.h
parentb126c5ba1e5a9f00859868d75900043d02a0031c (diff)
downloadnitrokey-sys-rs-3.4.0.tar.gz
nitrokey-sys-rs-3.4.0.tar.bz2
Update to libnitrokey v3.4v3.4.0
Besides the changes listed in the changelog, this patch also changes the build system to be able to generate the version.cc file containing the library version.
Diffstat (limited to 'libnitrokey-v3.4/libnitrokey/device.h')
-rw-r--r--libnitrokey-v3.4/libnitrokey/device.h169
1 files changed, 169 insertions, 0 deletions
diff --git a/libnitrokey-v3.4/libnitrokey/device.h b/libnitrokey-v3.4/libnitrokey/device.h
new file mode 100644
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+++ b/libnitrokey-v3.4/libnitrokey/device.h
@@ -0,0 +1,169 @@
+/*
+ * 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 <string>
+#include <vector>
+
+#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();
+ std::vector<std::string> enumerate();
+
+
+ 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