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/* -*- Mode: C; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2; -*- */
/*
* Copyright (C) 2007 Collabora Ltd.
* Copyright (C) 2007 Nokia Corporation
*
* This library 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.
*
* This library 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 this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "config.h"
#include "gkm-debug.h"
#include <stdarg.h>
#include <unistd.h>
#include <glib.h>
#include <glib/gstdio.h>
#ifdef WITH_DEBUG
static GkmDebugFlags current_flags = 0;
static GDebugKey keys[] = {
{ "storage", GKM_DEBUG_STORAGE },
{ "object", GKM_DEBUG_OBJECT },
{ 0, }
};
static void
debug_set_flags (GkmDebugFlags new_flags)
{
current_flags |= new_flags;
}
void
gkm_debug_set_flags (const gchar *flags_string)
{
guint nkeys;
for (nkeys = 0; keys[nkeys].value; nkeys++);
if (flags_string)
debug_set_flags (g_parse_debug_string (flags_string, keys, nkeys));
}
gboolean
gkm_debug_flag_is_set (GkmDebugFlags flag)
{
return (flag & current_flags) != 0;
}
static void
on_gkm_log_debug (const gchar *log_domain,
GLogLevelFlags log_level,
const gchar *message,
gpointer user_data)
{
GString *gstring;
const gchar *progname;
gstring = g_string_new (NULL);
progname = g_get_prgname ();
g_string_append_printf (gstring, "(%s:%lu): %s-DEBUG: %s\n",
progname ? progname : "process",
(gulong)getpid (), log_domain,
message ? message : "(NULL) message");
write (1, gstring->str, gstring->len);
g_string_free (gstring, TRUE);
}
void
gkm_debug_message (GkmDebugFlags flag,
const gchar *format,
...)
{
static gsize initialized_flags = 0;
const gchar *messages_env;
const gchar *debug_env;
va_list args;
if (g_once_init_enter (&initialized_flags)) {
messages_env = g_getenv ("G_MESSAGES_DEBUG");
debug_env = g_getenv ("GKM_DEBUG");
#ifdef GKM_DEBUG
if (debug_env == NULL)
debug_env = G_STRINGIFY (GKM_DEBUG);
#endif
/*
* If the caller is selectively asking for certain debug
* messages with the GKM_DEBUG environment variable, then
* we install our own output handler and only print those
* messages. This happens irrespective of G_MESSAGES_DEBUG
*/
if (messages_env == NULL && debug_env != NULL)
g_log_set_handler (G_LOG_DOMAIN, G_LOG_LEVEL_DEBUG,
on_gkm_log_debug, NULL);
/*
* If the caller is using G_MESSAGES_DEBUG then we enable
* all our debug messages, and let Glib filter which ones
* to display.
*/
if (messages_env != NULL && debug_env == NULL)
debug_env = "all";
gkm_debug_set_flags (debug_env);
g_once_init_leave (&initialized_flags, 1);
}
if (flag & current_flags) {
va_start (args, format);
g_logv (G_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, format, args);
va_end (args);
}
}
#else /* !WITH_DEBUG */
gboolean
gkm_debug_flag_is_set (GkmDebugFlags flag)
{
return FALSE;
}
void
gkm_debug_message (GkmDebugFlags flag,
const gchar *format,
...)
{
}
void
gkm_debug_set_flags (const gchar *flags_string)
{
}
#endif /* !WITH_DEBUG */
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