1 /* vi: set et sw=4 ts=4 cino=t0,(0: */
2 /* -*- Mode: C; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
4 * Copyright (C) 2013 Intel Corporation.
6 * Contact: Amarnath Valluri <amarnath.valluri@linux.intel.com>
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
13 * This library is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
25 #include "common/dbus-error.h"
26 #include "common/log.h"
27 #include "dbus-manager.h"
28 #include "dbus-service.h"
31 G_DEFINE_TYPE (MsgPortManager, msgport_manager, G_TYPE_OBJECT)
33 #define MSGPORT_MANAGER_GET_PRIV(obj) \
34 G_TYPE_INSTANCE_GET_PRIVATE ((obj), MSGPORT_TYPE_MANAGER, MsgPortManagerPrivate)
36 struct _MsgPortManagerPrivate {
38 * Key : guint - Id of the service
39 * Value : MsgPortDbusService * (transfe full)
41 GHashTable *service_cache; /* {service_id,MsgPortDbusService} */
44 * Holds services owned by a client
45 * Key : MsgPortDbusManager *
46 * Value : GList<MsgPortDbusService *> (tranfer none)
48 GHashTable *owner_service_map; /* {MsgPortDbusManager*,GList[MsgPortDbusService]} */
52 _manager_finalize (GObject *self)
54 //MsgPortManager *manager = MSGPORT_MANAGER (self);
56 G_OBJECT_CLASS (msgport_manager_parent_class)->finalize (self);
60 _manager_dispose (GObject *self)
62 MsgPortManager *manager = MSGPORT_MANAGER (self);
64 g_hash_table_unref (manager->priv->owner_service_map);
65 manager->priv->owner_service_map = NULL;
67 g_hash_table_unref (manager->priv->service_cache);
68 manager->priv->service_cache = NULL;
70 G_OBJECT_CLASS (msgport_manager_parent_class)->dispose (self);
74 msgport_manager_init (MsgPortManager *self)
76 MsgPortManagerPrivate *priv = MSGPORT_MANAGER_GET_PRIV (self);
78 priv->service_cache = g_hash_table_new_full (
79 g_direct_hash, g_direct_equal, NULL, g_object_unref);
80 priv->owner_service_map = g_hash_table_new_full (
81 g_direct_hash, g_direct_equal,
82 NULL, (GDestroyNotify) g_list_free);
88 msgport_manager_class_init (MsgPortManagerClass *klass)
90 GObjectClass *gklass = G_OBJECT_CLASS(klass);
92 g_type_class_add_private (klass, sizeof(MsgPortManagerPrivate));
94 gklass->finalize = _manager_finalize;
95 gklass->dispose = _manager_dispose;
99 msgport_manager_new ()
101 static GObject *manager = NULL;
104 manager = g_object_new (MSGPORT_TYPE_MANAGER, NULL);
105 g_object_add_weak_pointer (manager, (gpointer *)&manager);
107 return MSGPORT_MANAGER (manager);
110 return MSGPORT_MANAGER (g_object_ref (manager));
114 * It returns the serice pointer, if found with given owner, port_name and is_trusted
115 * It assues the given arguments are valid.
118 _manager_get_service_internal (
119 MsgPortManager *manager,
120 MsgPortDbusManager *owner,
121 const gchar *port_name,
124 GList *service_list = g_hash_table_lookup (manager->priv->owner_service_map, owner);
125 while (service_list != NULL) {
126 MsgPortDbusService *dbus_service = MSGPORT_DBUS_SERVICE (service_list->data);
128 DBG ("Owner : %p - Port : %s, Is_trusted : %d", owner,
129 msgport_dbus_service_get_port_name (dbus_service),
130 msgport_dbus_service_get_is_trusted (dbus_service));
132 if ( !g_strcmp0 (port_name, msgport_dbus_service_get_port_name (dbus_service)) &&
133 is_trusted == msgport_dbus_service_get_is_trusted (dbus_service)) {
134 return dbus_service ;
137 service_list = service_list->next;
144 msgport_manager_register_service (
145 MsgPortManager *manager,
146 MsgPortDbusManager *owner,
147 const gchar *port_name,
151 GList *service_list = NULL; /* services list owned by a client */
152 gboolean list_was_empty = TRUE;
153 MsgPortDbusService *dbus_service = NULL;
155 msgport_return_val_if_fail_with_error (manager && MSGPORT_IS_MANAGER (manager), NULL, error);
156 msgport_return_val_if_fail_with_error (owner && MSGPORT_IS_DBUS_MANAGER (owner), NULL, error);
157 msgport_return_val_if_fail_with_error (port_name && port_name[0], NULL, error);
159 /* check if port already existing with given params */
160 dbus_service = _manager_get_service_internal (manager, owner, port_name, is_trusted);
161 if (dbus_service != NULL)
164 /* create new port/service */
165 dbus_service = msgport_dbus_service_new (owner, port_name, is_trusted, error);
169 /* cache newly created service */
170 g_hash_table_insert (manager->priv->service_cache,
171 GINT_TO_POINTER (msgport_dbus_service_get_id (dbus_service)),
172 (gpointer)dbus_service);
174 list_was_empty = (service_list == NULL);
176 /* append to list of services */
177 service_list = g_list_append (service_list, dbus_service);
178 if (list_was_empty) {
179 g_hash_table_insert (manager->priv->owner_service_map, owner, service_list);
187 msgport_manager_get_service (
188 MsgPortManager *manager,
189 MsgPortDbusManager *owner,
190 const gchar *port_name,
194 MsgPortDbusService *service = NULL;
196 msgport_return_val_if_fail_with_error (manager && MSGPORT_IS_MANAGER (manager), NULL, error);
197 msgport_return_val_if_fail_with_error (owner && MSGPORT_IS_DBUS_MANAGER (owner), NULL, error);
198 msgport_return_val_if_fail_with_error (port_name && port_name[0], NULL, error);
200 service = _manager_get_service_internal (manager, owner, port_name, is_trusted);
202 if (!service && error)
203 *error = msgport_error_port_not_found (msgport_dbus_manager_get_app_id (owner), port_name);
209 msgport_manager_get_service_by_id (
210 MsgPortManager *manager,
214 MsgPortDbusService *dbus_service = NULL;
216 msgport_return_val_if_fail_with_error (manager && MSGPORT_IS_MANAGER (manager), NULL, error);
217 msgport_return_val_if_fail_with_error (service_id != 0, NULL, error);
219 dbus_service = MSGPORT_DBUS_SERVICE (g_hash_table_lookup (
220 manager->priv->service_cache, GINT_TO_POINTER(service_id)));
226 _manager_unref_dbus_manager_cb (gpointer data, gpointer user_data)
228 MsgPortManager *manager = MSGPORT_MANAGER (user_data);
229 MsgPortDbusService *service = MSGPORT_DBUS_SERVICE (data);
230 guint id = msgport_dbus_service_get_id (service);
233 DBG ("Unregistering service %s:%s(%d)",
234 msgport_dbus_manager_get_app_id (msgport_dbus_service_get_owner (service)),
235 msgport_dbus_service_get_port_name (service), id);
237 /* remove the service from id:service map,
238 * as its being unregisted */
239 g_hash_table_remove (manager->priv->service_cache, GINT_TO_POINTER(id));
243 * unregister a signle service for given service id
246 msgport_manager_unregister_service (
247 MsgPortManager *manager,
251 MsgPortDbusService *service = NULL;
252 MsgPortDbusManager *owner = NULL;
253 GList *service_list = NULL, *new_service_list = NULL;
255 msgport_return_val_if_fail_with_error (manager && MSGPORT_IS_MANAGER (manager), FALSE, error);
257 service = g_hash_table_lookup (manager->priv->service_cache, GINT_TO_POINTER (service_id));
260 if (error) *error = msgport_error_port_id_not_found_new (service_id);
264 owner = msgport_dbus_service_get_owner (service);
266 service_list = g_hash_table_lookup (manager->priv->owner_service_map, owner);
268 /* remove service from services list owned by the 'owner'*/
269 new_service_list = g_list_remove (service_list, service);
270 if (new_service_list != service_list) {
271 g_hash_table_steal (manager->priv->owner_service_map, owner);
272 /* update the new list on this owner */
273 g_hash_table_insert (manager->priv->owner_service_map, owner, new_service_list);
276 /* remove from the service_id:servcie table */
277 g_hash_table_remove (manager->priv->service_cache, GINT_TO_POINTER(service_id));
283 * unregister all the services owned by a client
286 msgport_manager_unregister_services (
287 MsgPortManager *manager,
288 MsgPortDbusManager *owner,
292 GList *service_list = NULL;
294 msgport_return_val_if_fail_with_error (manager && MSGPORT_IS_MANAGER (manager), FALSE, error);
296 /* fetch sevice list owned by the client */
297 service_list = g_hash_table_lookup (manager->priv->owner_service_map, owner);
299 DBG("no services found on client '%p'", owner);
303 /* remove all the service from the list */
304 g_list_foreach (service_list, _manager_unref_dbus_manager_cb, manager);
305 g_hash_table_remove (manager->priv->owner_service_map, owner);