more code cleanup

include/wrp_sdk/asyncio/device_error.hpp

@@ -0,0 +1,57 @@
+/**
+ * @brief MAVConn device error class
+ * @file device_error.hpp
+ * @author Vladimir Ermakov <vooon341@gmail.com>
+ */
+/*
+ * libmavconn
+ * Copyright 2013,2014,2015,2016 Vladimir Ermakov, All rights reserved.
+ *
+ * This file is part of the mavros package and subject to the license terms
+ * in the top-level LICENSE file of the mavros repository.
+ * https://github.com/mavlink/mavros/tree/master/LICENSE.md
+ */
+
+#ifndef DEVICE_ERROR_HPP
+#define DEVICE_ERROR_HPP
+
+#include <string>
+#include <cstring>
+#include <stdexcept>
+
+namespace westonrobot
+{
+class DeviceError : public std::runtime_error
+{
+  public:
+    template <typename T>
+    DeviceError(const char *module, T msg) : std::runtime_error(make_message(module, msg))
+    {
+    }
+
+    template <typename T>
+    static std::string make_message(const char *module, T msg)
+    {
+        std::ostringstream ss;
+        ss << "DeviceError:" << module << ":" << msg_to_string(msg);
+        return ss.str();
+    }
+
+    static std::string msg_to_string(const char *description)
+    {
+        return description;
+    }
+
+    static std::string msg_to_string(int errnum)
+    {
+        return std::strerror(errnum);
+    }
+
+    static std::string msg_to_string(std::system_error &err)
+    {
+        return err.what();
+    }
+};
+} // namespace mavconn
+
+#endif /* DEVICE_ERROR_HPP */