Entry commit for new VM code

Introducing Virtual Media based on State Machine.
- Logging class added
- Stub for Main application

Change-Id: I05ef576c170e2f9acf90800708f4447452f4050f
Signed-off-by: Rapkiewicz, Pawel <pawel.rapkiewicz@intel.com>
Signed-off-by: Czarnowski, Przemyslaw <przemyslaw.hawrylewicz.czarnowski@intel.com>

1 files changed, 95 insertions, 0 deletions

diff --git a/virtual-media/src/logger.hpp b/virtual-media/src/logger.hpp
new file mode 100644
index 0000000..1950019
--- /dev/null
+++ b/virtual-media/src/logger.hpp
@@ -0,0 +1,95 @@
+#pragma once
+
+#include <iostream>
+#include <vector>
+
+#define LOG_LEVEL Debug
+
+namespace Logger
+{
+
+struct Struct
+{
+    constexpr static const int32_t value = 6;
+    constexpr static const char* name = "Struct  ";
+};
+
+struct Debug
+{
+    constexpr static const int32_t value = 5;
+    constexpr static const char* name = "Debug   ";
+};
+
+struct Info
+{
+    constexpr static const int32_t value = 4;
+    constexpr static const char* name = "Info    ";
+};
+
+struct Warning
+{
+    constexpr static const int32_t value = 3;
+    constexpr static const char* name = "Warning ";
+};
+
+struct Error
+{
+    constexpr static const int32_t value = 2;
+    constexpr static const char* name = "Error   ";
+};
+
+struct Critical
+{
+    constexpr static const int32_t value = 1;
+    constexpr static const char* name = "Critical";
+};
+
+template <std::size_t Len>
+constexpr const char* baseNameImpl(const char (&str)[Len], std::size_t pos)
+{
+    return pos == 0 ? str
+                    : (str[pos] == '/' || str[pos] == '\\')
+                          ? str + pos + 1
+                          : baseNameImpl(str, --pos);
+}
+
+template <std::size_t Len>
+constexpr const char* baseName(const char (&str)[Len])
+{
+    return baseNameImpl(str, Len - 1);
+}
+
+template <typename T>
+std::ostream& operator<<(std::ostream& os, const std::vector<T>& v)
+{
+    for (const auto& i : v)
+    {
+        os << i << " ";
+    }
+    return os;
+}
+
+template <typename DefinedLogLevel, typename LogLevel, typename... Args>
+constexpr void logImpl(const char* file, int32_t line, const char* fname,
+                       Args&&... args)
+{
+    if constexpr (LogLevel::value <= DefinedLogLevel::value)
+    {
+        std::cout << "[" << LogLevel::name << "] [" << file << ":" << line
+                  << "] " << fname << "(): ";
+        (std::cout << ... << args) << std::endl;
+    }
+}
+
+template <typename LogLevel, typename... Args>
+constexpr void log(const char* file, int32_t line, const char* fname,
+                   Args&&... args)
+{
+    logImpl<LOG_LEVEL, LogLevel>(file, line, fname, args...);
+}
+
+#define LogMsg(level, ...)                                                     \
+    Logger::log<level>(Logger::baseName(__FILE__), __LINE__, __FUNCTION__,     \
+                       __VA_ARGS__)
+
+} // namespace Logger