Initial commit of source code

src/dBus/api/log.h

@@ -0,0 +1,70 @@
+#pragma once
+
+#include "api.h"
+
+#include <sdi_toolBox/dateTime/age.h>
+
+namespace api::log
+{
+//--------------------------------------------------------------
+// Log levels
+//--------------------------------------------------------------
+enum class LogLevel : uint8_t
+{
+  Message = 0,
+  Debug,
+  Info,
+  Warning,
+  Error,
+
+  System,     // Reserved for system-level logs, not intended for user messages
+};
+//--------------------------------------------------------------
+
+/* --- */
+
+//--------------------------------------------------------------
+// Log message structure
+//--------------------------------------------------------------
+struct LogMessage : dBus::api::DefaultData<dBus::makeID("log.message")>
+{
+  using Timestamp = std::chrono::steady_clock::time_point;
+
+  virtual ~LogMessage() = default;
+
+  Timestamp   timestamp = std::chrono::steady_clock::now();
+  LogLevel    level     = LogLevel::Message;
+  std::string message;
+
+  [[nodiscard]] std::string toString() const override
+  {
+    const auto timestampFormatter = Age(std::chrono::duration_cast<std::chrono::nanoseconds>(timestamp.time_since_epoch()));
+    const auto logEntry           = std::format("{}{}",
+                                      getLevelString(),
+                                      message);
+    return logEntry;
+  }
+
+  private:
+  [[nodiscard]] std::string getLevelString() const
+  {
+    switch (level)
+    {
+      using enum LogLevel;
+      case Debug:
+        return "[Debug] ";
+      case Info:
+        return "[Info] ";
+      case Warning:
+        return "[Warning] ";
+      case Error:
+        return "[Error] ";
+      case System:
+        return "[System] ";
+      default:
+        return "";
+    }
+  }
+};
+//--------------------------------------------------------------
+}     // namespace api::log