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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
/* NetworkManager -- Network link manager
*
* 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.
*
* Copyright (C) 2007 - 2008 Novell, Inc.
* Copyright (C) 2008 Red Hat, Inc.
*/
#include <string.h>
#include <stdio.h>
#include <dbus/dbus-glib.h>
#include "nm-properties-changed-signal.h"
#include "nm-dbus-glib-types.h"
#define NM_DBUS_PROPERTY_CHANGED "NM_DBUS_PROPERTY_CHANGED"
typedef struct {
GHashTable *hash;
gulong signal_id;
guint idle_id;
} PropertiesChangedInfo;
static void
destroy_value (gpointer data)
{
GValue *val = (GValue *) data;
g_value_unset (val);
g_slice_free (GValue, val);
}
static PropertiesChangedInfo *
properties_changed_info_new (void)
{
PropertiesChangedInfo *info;
info = g_slice_new0 (PropertiesChangedInfo);
info->hash = g_hash_table_new_full (g_str_hash, g_str_equal,
(GDestroyNotify) g_free,
destroy_value);
return info;
}
static void
properties_changed_info_destroy (gpointer data)
{
PropertiesChangedInfo *info = (PropertiesChangedInfo *) data;
if (info->idle_id)
g_source_remove (info->idle_id);
g_hash_table_destroy (info->hash);
g_slice_free (PropertiesChangedInfo, info);
}
#ifdef DEBUG
static void
add_to_string (gpointer key, gpointer value, gpointer user_data)
{
char *buf = (char *) user_data;
GValue str_val = { 0, };
g_value_init (&str_val, G_TYPE_STRING);
if (!g_value_transform ((GValue *) value, &str_val)) {
if (G_VALUE_HOLDS_OBJECT (value)) {
GObject *obj = g_value_get_object (value);
if (g_value_get_object (value)) {
sprintf (buf + strlen (buf), "{%s: %p (%s)}, ",
(const char *) key, obj, G_OBJECT_TYPE_NAME (obj));
} else {
sprintf (buf + strlen (buf), "{%s: %p}, ", (const char *) key, obj);
}
} else
sprintf (buf + strlen (buf), "{%s: <transform error>}, ", (const char *) key);
} else {
sprintf (buf + strlen (buf), "{%s: %s}, ", (const char *) key, g_value_get_string (&str_val));
}
g_value_unset (&str_val);
}
#endif
static gboolean
properties_changed (gpointer data)
{
GObject *object = G_OBJECT (data);
PropertiesChangedInfo *info = (PropertiesChangedInfo *) g_object_get_data (object, NM_DBUS_PROPERTY_CHANGED);
g_assert (info);
#ifdef DEBUG
{
char buf[2048] = { 0, };
g_hash_table_foreach (info->hash, add_to_string, &buf);
nm_log_dbg (LOGD_CORE, "%s -> %s", G_OBJECT_TYPE_NAME (object), buf);
}
#endif
g_signal_emit (object, info->signal_id, 0, info->hash);
g_hash_table_remove_all (info->hash);
return FALSE;
}
static void
idle_id_reset (gpointer data)
{
GObject *object = G_OBJECT (data);
PropertiesChangedInfo *info = (PropertiesChangedInfo *) g_object_get_data (object, NM_DBUS_PROPERTY_CHANGED);
/* info is unset when the object is being destroyed */
if (info)
info->idle_id = 0;
}
static char*
uscore_to_wincaps (const char *uscore)
{
const char *p;
GString *str;
gboolean last_was_uscore;
last_was_uscore = TRUE;
str = g_string_new (NULL);
p = uscore;
while (p && *p) {
if (*p == '-' || *p == '_')
last_was_uscore = TRUE;
else {
if (last_was_uscore) {
g_string_append_c (str, g_ascii_toupper (*p));
last_was_uscore = FALSE;
} else
g_string_append_c (str, *p);
}
++p;
}
return g_string_free (str, FALSE);
}
static void
notify (GObject *object, GParamSpec *pspec)
{
PropertiesChangedInfo *info;
GValue *value;
/* Ignore properties that shouldn't be exported */
if (pspec->flags & NM_PROPERTY_PARAM_NO_EXPORT)
return;
info = (PropertiesChangedInfo *) g_object_get_data (object, NM_DBUS_PROPERTY_CHANGED);
if (!info) {
info = properties_changed_info_new ();
g_object_set_data_full (object, NM_DBUS_PROPERTY_CHANGED, info, properties_changed_info_destroy);
info->signal_id = g_signal_lookup ("properties-changed", G_OBJECT_TYPE (object));
g_assert (info->signal_id);
}
value = g_slice_new0 (GValue);
g_value_init (value, pspec->value_type);
g_object_get_property (object, pspec->name, value);
g_hash_table_insert (info->hash, uscore_to_wincaps (pspec->name), value);
if (!info->idle_id)
info->idle_id = g_idle_add_full (G_PRIORITY_DEFAULT_IDLE, properties_changed, object, idle_id_reset);
}
guint
nm_properties_changed_signal_new (GObjectClass *object_class,
guint class_offset)
{
guint id;
object_class->notify = notify;
id = g_signal_new ("properties-changed",
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_FIRST,
class_offset,
NULL, NULL,
g_cclosure_marshal_VOID__BOXED,
G_TYPE_NONE, 1, DBUS_TYPE_G_MAP_OF_VARIANT);
return id;
}
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