1 files changed, 124 insertions, 0 deletions
diff --git a/src/log.c b/src/log.c
index a693bd00..ead9b2e8 100644..100755
--- a/src/log.c
+++ b/src/log.c
@@ -38,6 +38,130 @@
 static const char *program_exec;
 static const char *program_path;
 
+#if defined TIZEN_EXT
+#include <sys/stat.h>
+
+#define LOG_FILE_PATH "/opt/usr/data/network/connman.log"
+#define MAX_LOG_SIZE	1 * 1024 * 1024
+#define MAX_LOG_COUNT	3
+
+#define openlog __connman_log_open
+#define closelog __connman_log_close
+#define vsyslog __connman_log
+#define syslog __connman_log_s
+
+static FILE *log_file = NULL;
+
+void __connman_log_open(const char *ident, int option, int facility)
+{
+	if (!log_file)
+		log_file = (FILE *)fopen(LOG_FILE_PATH, "a+");
+}
+
+void __connman_log_close(void)
+{
+	fclose(log_file);
+	log_file = NULL;
+}
+
+static void __connman_log_update_file_revision(int rev)
+{
+	int next_log_rev = 0;
+	char *log_file = NULL;
+	char *next_log_file = NULL;
+
+	next_log_rev = rev + 1;
+
+	log_file = g_strdup_printf("%s.%d", LOG_FILE_PATH, rev);
+	next_log_file = g_strdup_printf("%s.%d", LOG_FILE_PATH, next_log_rev);
+
+	if (next_log_rev >= MAX_LOG_COUNT)
+		remove(next_log_file);
+
+	if (access(next_log_file, F_OK) == 0)
+		__connman_log_update_file_revision(next_log_rev);
+
+	if (rename(log_file, next_log_file) != 0)
+		remove(log_file);
+
+	g_free(log_file);
+	g_free(next_log_file);
+}
+
+static void __connman_log_make_backup(void)
+{
+	const int rev = 0;
+	char *backup = NULL;
+
+	backup = g_strdup_printf("%s.%d", LOG_FILE_PATH, rev);
+
+	if (access(backup, F_OK) == 0)
+		__connman_log_update_file_revision(rev);
+
+	if (rename(LOG_FILE_PATH, backup) != 0)
+		remove(LOG_FILE_PATH);
+
+	g_free(backup);
+}
+
+static void __connman_log_get_local_time(char *strtime, const int size)
+{
+	time_t buf;
+	struct tm *local_ptm;
+
+	time(&buf);
+	buf = time(NULL);
+	local_ptm = localtime(&buf);
+
+	strftime(strtime, size, "%m/%d %H:%M:%S", local_ptm);
+}
+
+void __connman_log(const int log_priority, const char *format, va_list ap)
+{
+	int log_size = 0;
+	struct stat buf;
+	char str[256];
+	char strtime[40];
+
+	if (!log_file)
+		log_file = (FILE *)fopen(LOG_FILE_PATH, "a+");
+
+	if (!log_file)
+		return;
+
+	fstat(fileno(log_file), &buf);
+	log_size = buf.st_size;
+
+	if (log_size >= MAX_LOG_SIZE) {
+		fclose(log_file);
+		log_file = NULL;
+
+		__connman_log_make_backup();
+
+		log_file = (FILE *)fopen(LOG_FILE_PATH, "a+");
+
+		if (!log_file)
+			return;
+	}
+
+	__connman_log_get_local_time(strtime, sizeof(strtime));
+
+	if (vsnprintf(str, sizeof(str), format, ap) > 0)
+		fprintf(log_file, "%s %s\n", strtime, str);
+}
+
+void __connman_log_s(int log_priority, const char *format, ...)
+{
+	va_list ap;
+
+	va_start(ap, format);
+
+	vsyslog(LOG_DEBUG, format, ap);
+
+	va_end(ap);
+}
+#endif
+
 /**
  * connman_info:
  * @format: format string