+/*
+ * Copyright (C) 2010-2012 jeanfi@gmail.com
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ */
+#include <locale.h>
+#include <libintl.h>
+#define _(str) gettext(str)
+
+#include <stdarg.h>
+#include <stdio.h>
+#include <sys/time.h>
+
+#include "log.h"
+
+static FILE *file;
+int log_level = LOG_WARN;
+
+void log_open(const char *path)
+{
+ file = fopen(path, "a");
+
+ if (!file)
+ log_printf(LOG_ERR, _("Cannot open log file: %s"), path);
+}
+
+void log_close()
+{
+ if (!file)
+ return ;
+
+ fclose(file);
+
+ file = NULL;
+}
+
+
+#define LOG_BUFFER 4096
+static void vlogf(int lvl, const char *fmt, va_list ap)
+{
+ struct timeval tv;
+ char buffer[1 + LOG_BUFFER];
+ char *lvl_str;
+ FILE *stdf;
+
+ if (lvl > log_level)
+ return ;
+
+ vsnprintf(buffer, LOG_BUFFER, fmt, ap);
+ buffer[LOG_BUFFER] = '\0';
+
+ if (gettimeofday(&tv, NULL) != 0)
+ timerclear(&tv);
+
+ switch (lvl) {
+ case LOG_WARN:
+ lvl_str = "[WARN]";
+ break;
+ case LOG_ERR:
+ lvl_str = "[ERR]";
+ break;
+ case LOG_DEBUG:
+ lvl_str = "[DEBUG]";
+ break;
+ case LOG_INFO:
+ lvl_str = "[INFO]";
+ break;
+ default:
+ lvl_str = "[??]";
+ }
+
+ if (file) {
+ fprintf(file, "[%ld] %s %s\n", tv.tv_sec, lvl_str, buffer);
+ fflush(file);
+ }
+
+ if (lvl == LOG_WARN || lvl == LOG_ERR)
+ stdf = stderr;
+ else
+ stdf = stdout;
+
+ fprintf(stdf, "[%ld] %s %s\n", tv.tv_sec, lvl_str, buffer);
+}
+
+void log_printf(int lvl, const char *fmt, ...)
+{
+ va_list ap;
+
+ va_start(ap, fmt);
+ vlogf(lvl, fmt, ap);
+ va_end(ap);
+}
+
+void log_debug(const char *fmt, ...)
+{
+ va_list ap;
+
+ if (log_level < LOG_DEBUG)
+ return ;
+
+ va_start(ap, fmt);
+ vlogf(LOG_DEBUG, fmt, ap);
+ va_end(ap);
+}
+
+void log_err(const char *fmt, ...)
+{
+ va_list ap;
+
+ va_start(ap, fmt);
+ vlogf(LOG_ERR, fmt, ap);
+ va_end(ap);
+}
+
+void log_warn(const char *fmt, ...)
+{
+ va_list ap;
+
+ va_start(ap, fmt);
+ vlogf(LOG_WARN, fmt, ap);
+ va_end(ap);
+}
projects / ppastats.git / commitdiff