diff options
Diffstat (limited to 'src/nm-properties-changed-signal.c')
| -rw-r--r-- | src/nm-properties-changed-signal.c | 248 |
1 files changed, 0 insertions, 248 deletions
diff --git a/src/nm-properties-changed-signal.c b/src/nm-properties-changed-signal.c deleted file mode 100644 index c6dbb3d5..00000000 --- a/src/nm-properties-changed-signal.c +++ /dev/null @@ -1,248 +0,0 @@ -/* -*- 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 - 2012 Red Hat, Inc. - */ - -#include "config.h" - -#include <string.h> -#include <stdio.h> - -#include <dbus/dbus-glib.h> -#include "nm-logging.h" -#include "nm-properties-changed-signal.h" -#include "nm-dbus-glib-types.h" - -typedef struct { - GHashTable *exported_props; - guint signal_id; -} NMPropertiesChangedClassInfo; - -typedef struct { - GHashTable *hash; - guint signal_id; - guint idle_id; -} NMPropertiesChangedInfo; - -static GQuark -nm_properties_changed_signal_quark (void) -{ - static GQuark q; - - if (G_UNLIKELY (q == 0)) - q = g_quark_from_static_string ("nm-properties-changed-signal"); - - return q; -} - -static void -destroy_value (gpointer data) -{ - GValue *val = (GValue *) data; - - g_value_unset (val); - g_slice_free (GValue, val); -} - -static void -properties_changed_info_destroy (gpointer data) -{ - NMPropertiesChangedInfo *info = data; - - if (info->idle_id) - g_source_remove (info->idle_id); - - g_hash_table_destroy (info->hash); - g_slice_free (NMPropertiesChangedInfo, info); -} - -static void -add_to_string (gpointer key, gpointer value, gpointer user_data) -{ - const char *name = (const char *) key; - GString *buf = user_data; - GValue str_val = G_VALUE_INIT; - - 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 (obj) { - g_string_append_printf (buf, "{%s: %p (%s)}, ", name, obj, - G_OBJECT_TYPE_NAME (obj)); - } else - g_string_append_printf (buf, "{%s: %p}, ", name, obj); - } else - g_string_append_printf (buf, "{%s: <transform error>}, ", name); - } else - g_string_append_printf (buf, "{%s: %s}, ", name, g_value_get_string (&str_val)); - g_value_unset (&str_val); -} - -static gboolean -properties_changed (gpointer data) -{ - GObject *object = G_OBJECT (data); - NMPropertiesChangedInfo *info = g_object_get_qdata (object, nm_properties_changed_signal_quark ()); - - g_assert (info); - - if (nm_logging_enabled (LOGL_DEBUG, LOGD_DBUS_PROPS)) { - GString *buf = g_string_new (NULL); - - g_hash_table_foreach (info->hash, add_to_string, buf); - nm_log_dbg (LOGD_DBUS_PROPS, "%s -> %s", G_OBJECT_TYPE_NAME (object), buf->str); - g_string_free (buf, TRUE); - } - - 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); - NMPropertiesChangedInfo *info = g_object_get_qdata (object, nm_properties_changed_signal_quark ()); - - /* info is unset when the object is being destroyed */ - if (info) - info->idle_id = 0; -} - -static void -notify (GObject *object, GParamSpec *pspec) -{ - NMPropertiesChangedClassInfo *classinfo; - NMPropertiesChangedInfo *info; - const char *dbus_property_name = NULL; - GValue *value; - GType type; - - for (type = G_OBJECT_TYPE (object); type; type = g_type_parent (type)) { - classinfo = g_type_get_qdata (type, nm_properties_changed_signal_quark ()); - if (!classinfo) - continue; - - dbus_property_name = g_hash_table_lookup (classinfo->exported_props, pspec->name); - if (dbus_property_name) - break; - } - if (!dbus_property_name) { - nm_log_trace (LOGD_DBUS_PROPS, "ignoring notification for prop %s on type %s", - pspec->name, G_OBJECT_TYPE_NAME (object)); - return; - } - - info = g_object_get_qdata (object, nm_properties_changed_signal_quark ()); - if (!info) { - info = g_slice_new0 (NMPropertiesChangedInfo); - info->hash = g_hash_table_new_full (g_str_hash, g_str_equal, - NULL, destroy_value); - info->signal_id = classinfo->signal_id; - - g_object_set_qdata_full (object, nm_properties_changed_signal_quark (), - info, properties_changed_info_destroy); - } - - 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, (char *) dbus_property_name, value); - - if (!info->idle_id) - info->idle_id = g_idle_add_full (G_PRIORITY_DEFAULT_IDLE, properties_changed, object, idle_id_reset); -} - -static NMPropertiesChangedClassInfo * -nm_properties_changed_signal_setup_type (GType type) -{ - NMPropertiesChangedClassInfo *classinfo; - NMPropertiesChangedClassInfo *parent_classinfo = NULL; - GObjectClass *object_class; - GType parent; - - classinfo = g_slice_new (NMPropertiesChangedClassInfo); - g_type_set_qdata (type, nm_properties_changed_signal_quark (), classinfo); - - object_class = g_type_class_ref (type); - object_class->notify = notify; - g_type_class_unref (object_class); - - classinfo->exported_props = g_hash_table_new (g_str_hash, g_str_equal); - - /* See if we've already added the signal to a parent class. (We can't just use - * g_signal_lookup() here because it prints a warning if the signal doesn't exist!) - */ - parent = g_type_parent (type); - while (parent) { - parent_classinfo = g_type_get_qdata (parent, nm_properties_changed_signal_quark ()); - if (parent_classinfo) - break; - parent = g_type_parent (parent); - } - - if (parent_classinfo) - classinfo->signal_id = parent_classinfo->signal_id; - else { - classinfo->signal_id = g_signal_new ("properties-changed", - type, - G_SIGNAL_RUN_FIRST, - 0, - NULL, NULL, - g_cclosure_marshal_VOID__BOXED, - G_TYPE_NONE, 1, DBUS_TYPE_G_MAP_OF_VARIANT); - } - - return classinfo; -} - -void -nm_properties_changed_signal_add_property (GType type, - const char *dbus_property_name, - const char *gobject_property_name) -{ - NMPropertiesChangedClassInfo *classinfo; - char *hyphen_name, *p; - - classinfo = g_type_get_qdata (type, nm_properties_changed_signal_quark ()); - if (!classinfo) - classinfo = nm_properties_changed_signal_setup_type (type); - - g_assert (!g_hash_table_contains (classinfo->exported_props, (char *) gobject_property_name)); - g_hash_table_insert (classinfo->exported_props, - (char *) gobject_property_name, - (char *) dbus_property_name); - - if (!strchr (gobject_property_name, '_')) - return; - hyphen_name = g_strdup (gobject_property_name); - for (p = hyphen_name; *p; p++) { - if (*p == '_') - *p = '-'; - } - g_assert (!g_hash_table_contains (classinfo->exported_props, hyphen_name)); - g_hash_table_insert (classinfo->exported_props, - (char *) g_intern_string (hyphen_name), - (char *) dbus_property_name); - g_free (hyphen_name); -} |