add: version.h

fix: refactor

src/logger.c

@@ -0,0 +1,58 @@
+#include <stdio.h>
+#include <stdarg.h>
+#include <string.h>
+
+#include <config.h>
+#include <logger.h>
+
+#define COLOR_TRACE COLOR_GREEN
+#define COLOR_DEBUG COLOR_BLUE
+#define COLOR_INFO COLOR_CYAN
+#define COLOR_WARN COLOR_YELLOW
+#define COLOR_ERROR COLOR_RED
+#define COLOR_FATAL COLOR_MAGENTA
+
+void
+logger_log(FILE *stream, log_level_t level, const char *filename, int line, const char *func, const char *msg, ...)
+{
+    if(global_config.log_level < level)
+    {
+        return;
+    }
+
+    switch(level)
+    {
+        case LOG_LEVEL_TRACE:
+            fprintf(stream, COLOR_TRACE "[TRACE] ");
+            break;
+        case LOG_LEVEL_DEBUG:
+            fprintf(stream, COLOR_DEBUG "[DEBUG] ");
+            break;
+        case LOG_LEVEL_INFO:
+            fprintf(stream, COLOR_INFO  "[INFO ] ");
+            break;
+        case LOG_LEVEL_WARN:
+            fprintf(stream, COLOR_WARN  "[WARN ] ");
+            break;
+        case LOG_LEVEL_ERROR:
+            fprintf(stream, COLOR_ERROR "[ERROR] ");
+            break;
+        case LOG_LEVEL_FATAL:
+            fprintf(stream, COLOR_FATAL "[FATAL] ");
+            break;
+        default:
+            fprintf(stream, COLOR_NONE  "[LOG  ] ");
+            break;
+    }
+
+    char timestamp_str[32];
+    time_t rawtime = time(NULL);
+    strftime(timestamp_str, 32, "%Y-%m-%d %H:%M:%S", localtime(&rawtime));
+
+    fprintf(stream, "%s %s:%d:%s " COLOR_NONE, timestamp_str, filename, line, func);
+
+    va_list args;
+    va_start(args, msg);
+    vfprintf(stream, msg, args);
+    va_end(args);
+}