src/server/dbus_util.cpp

   1 /*
   2  * sensord
   3  *
   4  * Copyright (c) 2014 Samsung Electronics Co., Ltd.
   5  *
   6  * Licensed under the Apache License, Version 2.0 (the "License");
   7  * you may not use this file except in compliance with the License.
   8  * You may obtain a copy of the License at
   9  *
  10  * http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing, software
  13  * distributed under the License is distributed on an "AS IS" BASIS,
  14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  * See the License for the specific language governing permissions and
  16  * limitations under the License.
  17  *
  18  */
  19
  20 #include <sensor_log.h>
  21 #include <dbus_util.h>
  22 #include <gio/gio.h>
  23
  24 static int wrist_up_total_cnt;
  25 static int wrist_up_lcdon_cnt;
  26
  27 static GDBusNodeInfo *introspection_data = NULL;
  28 static guint owner_id;
  29
  30 static const gchar introspection_xml[] =
  31 "<node>"
  32 "  <interface name='org.tizen.system.sensord'>"
  33 "        <method name='check_privilege'>"
  34 "          <arg type='i' name='response' direction='out'/>"
  35 "        </method>"
  36 "        <method name='wristup_lcdon_cnt'>"
  37 "          <arg type='i' name='response' direction='out'/>"
  38 "        </method>"
  39 "        <method name='wristup_total_cnt'>"
  40 "          <arg type='i' name='response' direction='out'/>"
  41 "        </method>"
  42 "  </interface>"
  43 "</node>";
  44
  45 static void method_call_handler(GDBusConnection *conn,
  46                                 const gchar *sender, const gchar *object_path,
  47                                 const gchar *iface_name, const gchar *method_name,
  48                                 GVariant *parameters, GDBusMethodInvocation *invocation,
  49                                 gpointer user_data)
  50 {
  51         int ret = DBUS_INIT;
  52
  53         if (g_strcmp0(method_name, "check_privilege") == 0) {
  54                 _D("check_privilege called");
  55                 ret = DBUS_SUCCESS;
  56         } else if (g_strcmp0(method_name, "wristup_lcdon_cnt") == 0) {
  57                 _D("wristup_lcdon_cnt called, %d", wrist_up_lcdon_cnt);
  58                 ret = wrist_up_lcdon_cnt;
  59         } else if (g_strcmp0(method_name, "wristup_total_cnt") == 0) {
  60                 _D("wristup_total_cnt called, %d", wrist_up_total_cnt);
  61                 ret = wrist_up_total_cnt;
  62         } else {
  63                 _D("No matched method call");
  64                 ret = DBUS_FAILED;
  65         }
  66
  67         g_dbus_method_invocation_return_value(invocation,
  68                                         g_variant_new("(i)", ret));
  69 }
  70
  71 static const GDBusInterfaceVTable interface_vtable =
  72 {
  73         method_call_handler,
  74         NULL,
  75         NULL
  76 };
  77
  78 static void on_bus_acquired(GDBusConnection *connection,
  79                 const gchar *name,
  80                 gpointer user_data)
  81 {
  82         guint registration_id;
  83
  84         if (!connection) {
  85                 _E("connection is null");
  86                 return;
  87         }
  88
  89         registration_id = g_dbus_connection_register_object(connection,
  90                 SENSORD_OBJECT_PATH,
  91                 introspection_data->interfaces[0],
  92                 &interface_vtable,
  93                 NULL,  /* user_data */
  94                 NULL,  /* user_data_free_func */
  95                 NULL); /* GError** */
  96
  97         if (registration_id == 0)
  98                 _E("Failed to g_dbus_connection_register_object");
  99
 100         _I("Gdbus method call registrated");
 101 }
 102
 103 static void on_name_acquired(GDBusConnection *conn,
 104                                 const gchar *name, gpointer user_data)
 105 {
 106 }
 107
 108 static void on_name_lost(GDBusConnection *conn,
 109                                 const gchar *name, gpointer user_data)
 110 {
 111         _E("Dbus name is lost!");
 112 }
 113
 114 int get_lcdon_count(void)
 115 {
 116         return wrist_up_lcdon_cnt;
 117 }
 118
 119 void increase_lcdon_count(void)
 120 {
 121         wrist_up_lcdon_cnt++;
 122 }
 123
 124 void reset_lcdon_count(void)
 125 {
 126         wrist_up_lcdon_cnt = 0;
 127 }
 128
 129 int get_total_count(void)
 130 {
 131         return wrist_up_total_cnt;
 132 }
 133
 134 void increase_total_count(void)
 135 {
 136         wrist_up_total_cnt++;
 137 }
 138
 139 void reset_total_count(void)
 140 {
 141         wrist_up_total_cnt = 0;
 142 }
 143
 144 void init_dbus(void)
 145 {
 146 #ifndef GLIB_VERSION_2_36
 147         g_type_init();
 148 #endif
 149
 150         introspection_data = g_dbus_node_info_new_for_xml(introspection_xml, NULL);
 151         if (introspection_data == NULL) {
 152                 _E("Failed to init g_dbus_node_info_new_for_xml");
 153                 return;
 154         }
 155
 156         owner_id = g_bus_own_name(G_BUS_TYPE_SYSTEM,
 157                                                            SENSORD_BUS_NAME,
 158                                                            (GBusNameOwnerFlags) (G_BUS_NAME_OWNER_FLAGS_ALLOW_REPLACEMENT
 159                                                            | G_BUS_NAME_OWNER_FLAGS_REPLACE),
 160                                                            on_bus_acquired,
 161                                                            on_name_acquired,
 162                                                            on_name_lost,
 163                                                            NULL,
 164                                                            NULL);
 165         wrist_up_total_cnt = 0;
 166         wrist_up_lcdon_cnt = 0;
 167 }
 168
 169 void fini_dbus(void)
 170 {
 171         if (owner_id != 0)
 172                 g_bus_unown_name(owner_id);
 173
 174         if (introspection_data)
 175                 g_dbus_node_info_unref(introspection_data);
 176 }