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/*
* GeeXboX Enna Media Center.
* Copyright (C) 2005-2010 The Enna Project
*
* This file is part of Enna.
*
* Enna is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* Enna 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Enna; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stdlib.h>
#include <stdio.h>
#include <stdarg.h>
#include "enna.h"
#define DEFAULT_MODULE_NAME "Enna"
#define NORMAL "\033[0m"
#define COLOR(x) "\033[" #x ";1m"
#define BOLD COLOR(1)
#define F_RED COLOR(31)
#define F_GREEN COLOR(32)
#define F_YELLOW COLOR(33)
#define F_BLUE COLOR(34)
#define B_RED COLOR(41)
static FILE *fp = NULL;
static int refcount = 0;
int
enna_log_init(const char *filename)
{
if (refcount > 1)
return 0;
if (filename)
{
fp = fopen(filename, "w");
if (!fp)
return 0;
}
refcount++;
return 1;
}
void
enna_log_print(int level, const char *module,
char *file, int line, const char *format, ...)
{
FILE *f;
static const char *const c[] =
{
[ENNA_MSG_EVENT] = F_BLUE,
[ENNA_MSG_INFO] = F_GREEN,
[ENNA_MSG_WARNING] = F_YELLOW,
[ENNA_MSG_ERROR] = F_RED,
[ENNA_MSG_CRITICAL] = B_RED,
};
static const char *const l[] =
{
[ENNA_MSG_EVENT] = "Event",
[ENNA_MSG_INFO] = "Info",
[ENNA_MSG_WARNING] = "Warn",
[ENNA_MSG_ERROR] = "Err",
[ENNA_MSG_CRITICAL] = "Crit",
};
va_list va;
int verbosity;
const char *prefix = NULL;
if (!format)
return;
if (enna) verbosity = enna->lvl;
else verbosity = ENNA_MSG_INFO;
/* do we really want loging ? */
if (verbosity == ENNA_MSG_NONE)
return;
if (level < verbosity)
return;
va_start (va, format);
if (!module)
module = DEFAULT_MODULE_NAME;
else
prefix = DEFAULT_MODULE_NAME "/";
if (!fp)
{
f = stderr;
fprintf (f, "[" BOLD "%s%s" NORMAL "] [%s:%d] %s%s" NORMAL ": ",
prefix ? prefix : "", module, file, line, c[level], l[level]);
}
else
{
f = fp;
fprintf (f, "[%s%s] [%s:%d] %s: ",
prefix ? prefix : "", module, file, line, l[level]);
}
vfprintf (f, format, va);
fprintf (f, "\n");
va_end (va);
}
void
enna_log_shutdown(void)
{
if (fp)
{
fclose(fp);
}
refcount--;
}
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