System info & network

code/debug/logger.h

@@ -0,0 +1,59 @@
+#ifndef _PIUMA_LOGGER_H_
+#define _PIUMA_LOGGER_H_
+
+#include "../lib/types.h"
+#include "../lib/queue.h"
+
+
+typedef u8 LogLevel;
+#define LOG_ERROR     0
+#define LOG_WARNING  50
+#define LOG_INFO    100
+#define LOG_DEBUG   150
+
+struct LogSourceInfo
+{
+	const char *filename;
+	u32 line;
+	const char *function;
+};
+
+typedef u64 LogId;
+struct LogEntry
+{
+	LogLevel level;
+	char *message;
+
+	LogId id;
+	LogSourceInfo source;
+};
+
+struct Logger
+{
+	QUEUE_TYPE(struct LogEntry) message_queue = NULL;
+
+	LogId last_id = 0;
+	u64 overflow_count = 0; // Number of times the buffer was full, but we added a message anyway removing the oldest one
+};
+
+void Logger_Init(struct Logger *logger);
+void Logger_Deinit(struct Logger *logger);
+
+void Logger_Clear(struct Logger *logger);
+void Logger_AddMessage(struct Logger *logger, LogSourceInfo source_info, LogLevel level, const char *format_message, ...);
+void Logger_RemoveOldestMessage(struct Logger *logger);
+
+u64 Logger_MessageCount(struct Logger *logger);
+struct LogEntry *Logger_MessageAt(struct Logger *logger, u64 index);
+
+
+extern struct Logger global_logger;
+
+
+#define LOG_INIT()          Logger_Init(&global_logger)
+#define LOG_DEINIT()        Logger_Deinit(&global_logger)
+#define LOG_CLEAR()         Logger_Clear(&global_logger)
+#define LOG(level, /*format_message,*/ ...) Logger_AddMessage(&global_logger, LogSourceInfo{.filename = __FILE__, .line = __LINE__, .function = __func__}, level, /*format_message,*/ __VA_ARGS__)
+
+
+#endif