File: idle-debug.c

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telepathy-idle 0.2.2-1
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/*
 * This file is part of telepathy-idle
 *
 * Copyright (C) 2007 Collabora Limited
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License
 * version 2.1 as published by the Free Software Foundation.
 *
 * 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 "idle-debug.h"

#include <stdarg.h>
#include <telepathy-glib/telepathy-glib.h>

static IdleDebugFlags _flags = 0;

static GDebugKey _keys[] = {
	{"connection", IDLE_DEBUG_CONNECTION},
	{"dns", IDLE_DEBUG_DNS},
	{"im", IDLE_DEBUG_IM},
	{"muc", IDLE_DEBUG_MUC},
	{"network", IDLE_DEBUG_NETWORK},
	{"parser", IDLE_DEBUG_PARSER},
	{"text", IDLE_DEBUG_TEXT},
	{"tls", IDLE_DEBUG_TLS},
	{NULL, 0}
};

void
idle_debug_init (void) {
	const gchar *flags_string = g_getenv("IDLE_DEBUG");
	guint nkeys;

	for (nkeys = 0; _keys[nkeys].value; nkeys++) {
		/* do nothing, just count nkeys */
	}

	if (flags_string) {
		tp_debug_set_flags(flags_string);
		_flags |= g_parse_debug_string(flags_string, _keys, nkeys);
	}

	if (g_getenv("IDLE_PERSIST") != NULL)
		tp_debug_set_persistent(TRUE);
}

GHashTable *flag_to_domains = NULL;

static const gchar *
debug_flag_to_domain (IdleDebugFlags flag)
{
	if (G_UNLIKELY (flag_to_domains == NULL)) {
		guint i;

		flag_to_domains = g_hash_table_new_full (NULL, NULL, NULL, g_free);

		for (i = 0; _keys[i].value; i++) {
			GDebugKey key = _keys[i];
			gchar *val;

			val = g_strdup_printf ("%s/%s", "idle", key.key);
			g_hash_table_insert (flag_to_domains,
				GUINT_TO_POINTER (key.value), val);
		}
	}

	return g_hash_table_lookup (flag_to_domains, GUINT_TO_POINTER (flag));
}

void
idle_debug_free (void)
{
	if (flag_to_domains == NULL)
		return;

	g_hash_table_destroy (flag_to_domains);
	flag_to_domains = NULL;
}

static void
log_to_debug_sender (IdleDebugFlags flag,
	const gchar *message)
{
	TpDebugSender *dbg;
	GTimeVal now;

	dbg = tp_debug_sender_dup ();

	g_get_current_time (&now);

	tp_debug_sender_add_message (dbg, &now, debug_flag_to_domain (flag),
		G_LOG_LEVEL_DEBUG, message);

	g_object_unref (dbg);
}

void idle_debug(IdleDebugFlags flag, const gchar *format, ...) {
	gchar *message;
	va_list args;

	va_start (args, format);
	message = g_strdup_vprintf (format, args);
	va_end (args);

	log_to_debug_sender (flag, message);

	if (_flags & flag)
		g_log (G_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, "%s", message);

	g_free (message);
}