libservice: add virtual device wrappers

1 files changed, 71 insertions, 0 deletions

diff --git a/utils/libservice/include/libservice/device.hpp b/utils/libservice/include/libservice/device.hpp
new file mode 100644
index 0000000..3a9540e
--- /dev/null
+++ b/utils/libservice/include/libservice/device.hpp
@@ -0,0 +1,71 @@
+/**
+ * \file
+ * \author Egor Tensin <Egor.Tensin@gmail.com>
+ * \date 2015
+ * \copyright This file is licensed under the terms of the MIT License.
+ *            See LICENSE.txt for details.
+ */
+
+#pragma once
+
+#include "common.hpp"
+#include "handle.hpp"
+
+#include <Windows.h>
+
+#include <string>
+#include <utility>
+
+namespace libservice
+{
+    class Device
+    {
+    public:
+        static Device open(const std::string& path);
+
+        Device(Device&& other) LIBSERVICE_NOEXCEPT
+        {
+            swap(other);
+        }
+
+        Device& operator=(Device other) LIBSERVICE_NOEXCEPT
+        {
+            swap(other);
+            return *this;
+        }
+
+        void swap(Device& other) LIBSERVICE_NOEXCEPT
+        {
+            using std::swap;
+            swap(m_handle, other.m_handle);
+        }
+
+        DWORD get_required_output_size(DWORD code,
+                                       const void* in_buf,
+                                       DWORD in_buf_size) const;
+
+        DWORD send_control_code(DWORD code,
+                                const void* in_buf,
+                                DWORD in_buf_size,
+                                void* out_buf,
+                                DWORD out_buf_size) const;
+
+    private:
+        explicit Device(Handle h)
+            : m_handle(std::move(h))
+        { }
+
+        Handle m_handle;
+
+        Device(const Device&) = delete;
+    };
+
+    void swap(libservice::Device&, libservice::Device&) LIBSERVICE_NOEXCEPT;
+}
+
+namespace std
+{
+    template <>
+    void swap<libservice::Device>(
+        libservice::Device&, libservice::Device&) LIBSERVICE_NOEXCEPT;
+}