Add all stuff for getting work the log util

1 files changed, 60 insertions, 13 deletions

diff --git a/log.c b/log.c
index 68dfeb7..ed127b2 100644
--- a/log.c
+++ b/log.c
@@ -13,7 +13,9 @@
 #define ERR_LVL 3
 
 #define BUFF_SIZE 256
+#define HALF_SIZE (BUFF_SIZE / 2 - 1)
 
+/* Checks if the terminal supports colors */
 static int
 check_term_colors()
 {
@@ -42,18 +44,58 @@ check_term_colors()
 	return -1;
 }
 
+/* Converts the property values */
+static int
+log_parse_level_property(char *str_level)
+{
+	if (strcmp( str_level, "DEBUG"   ) == 0) return DBG_LVL;
+	if (strcmp( str_level, "INFO"    ) == 0) return INF_LVL;
+	if (strcmp( str_level, "WARNING" ) == 0) return WRN_LVL;
+	if (strcmp( str_level, "ERROR"   ) == 0) return ERR_LVL;
+
+	return -1;
+}
+
+/* Parses the configuration line to get log level and the context */
+static int
+log_get_level(const char *filename, char *conf_key, char *conf_value)
+{
+	char *key = strndup(conf_key, strlen(conf_key));
+	char *context = strndup(strtok(key, "."), strlen(key));
+	int level_context = strcmp(strtok(NULL, "."), "level");
+	char *file_context = strndup(filename, HALF_SIZE);
+	int root_level = 0;
+	int level = 0;
+
+	file_context = strtok(file_context, ".");
+
+	if (level_context == 0) {
+		if (strcmp(context, "root") == 0) {
+			root_level = log_parse_level_property(conf_value);
+		} else if (strcmp(context, file_context) == 0
+				&& (level = log_parse_level_property(conf_value)) >= 0) {
+			return level;
+		}
+	}
+
+	return root_level;
+}
+
+/* Initialize the log structure */
 static void
 log_init(Log *log)
 {
-	char buff[BUFF_SIZE];
+	char conf_key[HALF_SIZE], conf_value[HALF_SIZE], buff[BUFF_SIZE];
 	FILE *file = fopen("log.config", "r");
 
 	/* Use the coded configuration */
 	if (file == NULL)
 		return;
 
-	while (fgets(buff, BUFF_SIZE, file) != NULL) {
-		/*printf("%s", strtok(buff, "="));*/
+	while (fgets(buff, BUFF_SIZE, file) != NULL
+			&& buff[0] != '#') {
+		sscanf(buff, "%[^=]=%s", conf_key, conf_value);
+		log->level = log_get_level(log->filename, conf_key, conf_value);
 	}
 
 	fclose(file);
@@ -62,8 +104,8 @@ log_init(Log *log)
 Log *
 log_create(const char *filename) {
 	Log *log = (Log *) malloc(sizeof(Log));
-	/*log->filename = filename;
-	log->level = DBG_LVL;*/
+	log->filename = filename;
+	log->level = DBG_LVL;
 
 	log_init(log);
 
@@ -74,14 +116,16 @@ static void
 print_log(Log *log, int level, char *msg)
 {
 	time_t t;
-	t = time(NULL);
-	struct tm tm = *localtime(&t);
+	struct tm *date;
 	const char *lvl;
 
 	/* Don't display log if the choosen level is major.
 	 * For example: log->level is ERROR and level is INFO, only ERROR logs will be shown. */
 	if (log->level > level) return;
 
+	t = time(NULL);
+	date = localtime(&t);
+
 	switch (level) {
 		case DBG_LVL:
 			lvl = "[DEBUG]";
@@ -89,6 +133,9 @@ print_log(Log *log, int level, char *msg)
 		case INF_LVL:
 			lvl = "[INFO]";
 			break;
+		case WRN_LVL:
+			lvl = "[WARNING]";
+			break;
 		case ERR_LVL:
 			lvl = "[ERROR]";
 			break;
@@ -99,11 +146,11 @@ print_log(Log *log, int level, char *msg)
 
 	check_term_colors();
 	printf("%d-%02d-%02d %02d:%02d %10s: <%s> %s\n",
-	       tm.tm_year + 1900,
-	       tm.tm_mon,
-	       tm.tm_mday,
-	       tm.tm_hour,
-	       tm.tm_min,
+	       date->tm_year + 1900,
+	       date->tm_mon,
+	       date->tm_mday,
+	       date->tm_hour,
+	       date->tm_min,
 	       lvl,
 	       log->filename,
 	       msg);
@@ -128,7 +175,7 @@ log_info(Log *log, char *msg)
 }
 
 void
-log_warning(Log *log, char *msg)
+log_warn(Log *log, char *msg)
 {
 	print_log(log, WRN_LVL, msg);
 }