Apply Tizen3.0 Gatt client product patch
[platform/core/connectivity/bluetooth-frwk.git] / bt-api / bt-gatt-client.c
index 872b21f..9819f1e 100644 (file)
@@ -872,97 +872,131 @@ BT_EXPORT_API int bluetooth_gatt_get_char_descriptor_property(
        return BLUETOOTH_ERROR_NONE;
 }
 
+static int __bluetooth_get_att_error_code(GError *error)
+{
+       int att_ecode = 0;
+       int len;
+       char *str = NULL;
+
+       BT_ERR("Error : %s", error->message);
+       str = g_strrstr(error->message, "ATT error: 0x");
+       if (str) {
+               len = strlen(str);
+               att_ecode =  g_ascii_xdigit_value(str[len-2]) << 4;
+               att_ecode += g_ascii_xdigit_value(str[len-1]);
+       } else
+               return BLUETOOTH_ATT_ERROR_INTERNAL;
+
+       switch (att_ecode) {
+       case BLUETOOTH_ATT_ERROR_READ_NOT_PERMITTED:
+               BT_ERR("Read not permitted");
+               break;
+       case BLUETOOTH_ATT_ERROR_WRITE_NOT_PERMITTED:
+               BT_ERR("Write not permitted");
+               break;
+       case BLUETOOTH_ATT_ERROR_AUTHENTICATION:
+               break;
+       case BLUETOOTH_ATT_ERROR_INSUFFICIENT_ENCRYPTION:
+       case BLUETOOTH_ATT_ERROR_INSUFFICIENT_ENCRYPTION_KEY_SIZE:
+               BT_ERR("Not paired");
+               break;
+       case BLUETOOTH_ATT_ERROR_INVALID_OFFSET:
+               BT_ERR("Invalid offset");
+               break;
+       case BLUETOOTH_ATT_ERROR_INVALID_ATTRIBUTE_VALUE_LEN:
+               BT_ERR("Invalid Length");
+               break;
+       case BLUETOOTH_ATT_ERROR_AUTHORIZATION:
+               BT_ERR("Operation not Authorized");
+               break;
+       }
+
+       if (att_ecode >= 0x80 && att_ecode <= 0x9F)
+               BT_ERR("Application error");
+
+       return att_ecode;
+}
+
 static void __bluetooth_internal_read_cb(GObject *source_object,
-                       GAsyncResult *res,
-                       gpointer user_data)
+                                        GAsyncResult *res, gpointer user_data)
 {
        GError *error = NULL;
-       bt_user_info_t *user_info;
-       bt_gatt_char_value_t char_value =  { 0, };
        GDBusConnection *system_gconn = NULL;
        GVariant *value;
-       GByteArray *gp_byte_array = NULL;
+       bt_user_info_t *user_info;
        GVariantIter *iter;
+       GByteArray *gp_byte_array = NULL;
        guint8 g_byte;
-       gint att_error_code;
-       int ret = BLUETOOTH_ERROR_NONE;
+       int att_ecode = 0;
+       bt_gatt_resp_data_t *resp_data = user_data;
 
        BT_DBG("+");
-       user_info = _bt_get_user_data(BT_COMMON);
 
        system_gconn = _bt_gdbus_get_system_gconn();
        value = g_dbus_connection_call_finish(system_gconn, res, &error);
 
-       if (error) {
-               BT_ERR("Error : %s \n", error->message);
-               if (g_strrstr(error->message, "Not paired"))
-                       ret = BLUETOOTH_ERROR_NOT_PAIRED;
-               else
-                       ret = BLUETOOTH_ERROR_INTERNAL;
-
-               g_clear_error(&error);
-               if (user_info) {
-                       _bt_common_event_cb(BLUETOOTH_EVENT_GATT_READ_CHAR,
-                               ret, NULL,
-                               user_info->cb, user_info->user_data);
+       user_info = _bt_get_user_data(BT_COMMON);
+       if (!user_info) {
+               g_free(resp_data);
+               if (error) {
+                       BT_ERR("Error : %s", error->message);
+                       g_clear_error(&error);
+                       return;
                }
-               g_free(user_data);
+               g_variant_unref(value);
                return;
        }
 
-       char_value.char_handle = user_data;
-
-       g_variant_get(value, "(yay)", &att_error_code, &iter);
+       if (error) {
+               att_ecode = __bluetooth_get_att_error_code(error);
+               g_clear_error(&error);
 
-       if (att_error_code != 0) {
-               if (user_info) {
-                       _bt_common_event_cb(BLUETOOTH_EVENT_GATT_READ_CHAR,
-                               att_error_code, NULL,
-                               user_info->cb, user_info->user_data);
-               }
-               g_free(char_value.char_handle);
-               g_variant_unref(value);
-               g_variant_iter_free(iter);
+               _bt_common_event_cb(BLUETOOTH_EVENT_GATT_READ_CHAR,
+                                   att_ecode, resp_data,
+                                   user_info->cb, user_info->user_data);
+               g_free(resp_data);
                return;
        }
 
        gp_byte_array = g_byte_array_new();
+       g_variant_get(value, "(ay)", &iter);
+
        while (g_variant_iter_loop(iter, "y", &g_byte))
                g_byte_array_append(gp_byte_array, &g_byte, 1);
 
        if (gp_byte_array->len != 0) {
-               char_value.val_len = gp_byte_array->len;
-               char_value.char_value = gp_byte_array->data;
+               resp_data->len = gp_byte_array->len;
+               resp_data->value = gp_byte_array->data;
        }
 
-       if (user_info) {
-               _bt_common_event_cb(BLUETOOTH_EVENT_GATT_READ_CHAR,
-                               BLUETOOTH_ERROR_NONE, &char_value,
-                               user_info->cb, user_info->user_data);
-       }
+       _bt_common_event_cb(BLUETOOTH_EVENT_GATT_READ_CHAR,
+                           BLUETOOTH_ATT_ERROR_NONE, resp_data,
+                           user_info->cb, user_info->user_data);
+       g_free(resp_data);
 
-       g_free(char_value.char_handle);
        g_byte_array_free(gp_byte_array, TRUE);
-       g_variant_unref(value);
        g_variant_iter_free(iter);
+       g_variant_unref(value);
 
        BT_DBG("-");
 }
 
-BT_EXPORT_API int bluetooth_gatt_read_characteristic_value(const char *characteristic)
+BT_EXPORT_API int bluetooth_gatt_read_characteristic_value(const char *chr,
+                                                          gpointer user_data)
 {
        GDBusConnection *conn;
-       char *handle;
+       bt_gatt_resp_data_t *resp_data;
        GVariantBuilder *builder = NULL;
        guint16 offset = 0;
 
-       BT_CHECK_PARAMETER(characteristic, return);
+       BT_CHECK_PARAMETER(chr, return);
        BT_CHECK_ENABLED(return);
 
        conn = _bt_gdbus_get_system_gconn();
        retv_if(conn == NULL, BLUETOOTH_ERROR_INTERNAL);
 
-       handle = g_strdup(characteristic);
+       resp_data = g_malloc0(sizeof(bt_gatt_resp_data_t));
+       resp_data->user_data = user_data;
 
        builder = g_variant_builder_new(G_VARIANT_TYPE("a{sv}"));
 
@@ -974,62 +1008,58 @@ BT_EXPORT_API int bluetooth_gatt_read_characteristic_value(const char *character
 //     g_variant_builder_add(builder, "{sv}", "device",
 //     g_variant_new_object("o", NULL));
 
-       g_dbus_connection_call(conn,
-                       BT_BLUEZ_NAME,
-                       characteristic,
-                       GATT_CHAR_INTERFACE,
-                       "ReadValue",
-                       g_variant_new("(a{sv})", builder),
-                       G_VARIANT_TYPE("(yay)"),
-                       G_DBUS_CALL_FLAGS_NONE,
-                       -1,
-                       NULL,
+       g_dbus_connection_call(conn, BT_BLUEZ_NAME, chr, GATT_CHAR_INTERFACE,
+                       "ReadValue", g_variant_new("(a{sv})", builder),
+                       G_VARIANT_TYPE("(ay)"), G_DBUS_CALL_FLAGS_NONE, -1, NULL,
                        (GAsyncReadyCallback)__bluetooth_internal_read_cb,
-                       (gpointer)handle);
+                       (gpointer)resp_data);
        g_variant_builder_unref(builder);
 
        return BLUETOOTH_ERROR_NONE;
 }
 
 static void __bluetooth_internal_write_cb(GObject *source_object,
-                       GAsyncResult *res,
-                       gpointer user_data)
+                                         GAsyncResult *res, gpointer user_data)
 {
        GError *error = NULL;
-       bt_user_info_t *user_info;
        GDBusConnection *system_gconn = NULL;
+       bt_user_info_t *user_info;
        GVariant *value;
-       int result = BLUETOOTH_ERROR_NONE;
-       guint8 att_ecode = 0;
-
-       user_info = _bt_get_user_data(BT_COMMON);
+       int att_ecode = 0;
+       bt_gatt_resp_data_t *resp_data = user_data;
 
        system_gconn = _bt_gdbus_get_system_gconn();
        value = g_dbus_connection_call_finish(system_gconn, res, &error);
 
-       if (error) {
-               BT_ERR("Error : %s \n", error->message);
-               g_clear_error(&error);
-               result = BLUETOOTH_ERROR_INTERNAL;
-       } else {
-               g_variant_get(value, "(y)", &att_ecode);
-               if (att_ecode) {
-                       result =  att_ecode;
-                       BT_ERR("ATT Error code: %d \n", att_ecode);
+       user_info = _bt_get_user_data(BT_COMMON);
+       if (!user_info) {
+               g_free(resp_data);
+               if (error) {
+                       BT_ERR("Error : %s", error->message);
+                       g_clear_error(&error);
+                       return;
                }
+               g_variant_unref(value);
+               return;
        }
 
-       if (user_info) {
+       if (error) {
+               att_ecode = __bluetooth_get_att_error_code(error);
+               g_clear_error(&error);
+
                _bt_common_event_cb(BLUETOOTH_EVENT_GATT_WRITE_CHAR,
-                               result, NULL,
+                               att_ecode, resp_data,
                                user_info->cb, user_info->user_data);
-       } else {
-               BT_ERR("user info is null");
+               g_free(resp_data);
+               return;
        }
 
-       if (value)
-               g_variant_unref(value);
+       _bt_common_event_cb(BLUETOOTH_EVENT_GATT_WRITE_CHAR,
+                       BLUETOOTH_ATT_ERROR_NONE, resp_data,
+                       user_info->cb, user_info->user_data);
+       g_free(resp_data);
 
+       g_variant_unref(value);
        return;
 }
 
@@ -1077,7 +1107,7 @@ BT_EXPORT_API int bluetooth_gatt_set_characteristics_value(
                                "WriteValue",
                                g_variant_new("(@ay@a{sv})",
                                val, options),
-                               G_VARIANT_TYPE("(y)"),
+                               NULL,
                                G_DBUS_CALL_FLAGS_NONE,
                                -1, NULL,
                                (GAsyncReadyCallback)__bluetooth_internal_write_cb,
@@ -1098,7 +1128,8 @@ BT_EXPORT_API int bluetooth_gatt_set_characteristics_value(
 }
 
 BT_EXPORT_API int bluetooth_gatt_set_characteristics_value_by_type(
-               const char *char_handle, const guint8 *value, int length, guint8 write_type)
+                       const char *chr, const guint8 *value, int length,
+                       guint8 write_type, gpointer user_data)
 {
        GVariant *val, *options;
        GVariantBuilder *builder1;
@@ -1107,8 +1138,9 @@ BT_EXPORT_API int bluetooth_gatt_set_characteristics_value_by_type(
        guint16 offset = 0;
        int i = 0;
        int ret = BLUETOOTH_ERROR_NONE;
+       bt_gatt_resp_data_t *resp_data;
 
-       BT_CHECK_PARAMETER(char_handle, return);
+       BT_CHECK_PARAMETER(chr, return);
        BT_CHECK_PARAMETER(value, return);
        retv_if(length == 0, BLUETOOTH_ERROR_INVALID_PARAM);
        BT_CHECK_ENABLED_INTERNAL(return);
@@ -1134,21 +1166,20 @@ BT_EXPORT_API int bluetooth_gatt_set_characteristics_value_by_type(
 
        options = g_variant_new("a{sv}", builder2);
 
-       g_dbus_connection_call(conn,
-                       BT_BLUEZ_NAME,
-                       char_handle,
-                       GATT_CHAR_INTERFACE,
+       resp_data = g_malloc0(sizeof(bt_gatt_resp_data_t));
+       resp_data->user_data = user_data;
+
+       g_dbus_connection_call(conn, BT_BLUEZ_NAME, chr, GATT_CHAR_INTERFACE,
                        "WriteValuebyType",
-                       g_variant_new("(y@ay@a{sv})",
-                       write_type, val, options),
-                       G_VARIANT_TYPE("(y)"),
-                       G_DBUS_CALL_FLAGS_NONE,
-                       -1, NULL,
+                       g_variant_new("(y@ay@a{sv})", write_type, val, options),
+                       NULL,
+                       G_DBUS_CALL_FLAGS_NONE, -1, NULL,
                        (GAsyncReadyCallback)__bluetooth_internal_write_cb,
-                       NULL);
+                       (gpointer)resp_data);
 
        g_variant_builder_unref(builder1);
        g_variant_builder_unref(builder2);
+
        return ret;
 }
 
@@ -1198,7 +1229,7 @@ BT_EXPORT_API int bluetooth_gatt_set_characteristics_value_request(
                                "WriteValue",
                                g_variant_new("(@ay@a{sv})",
                                val, options),
-                               G_VARIANT_TYPE("(y)"),
+                               NULL,
                                G_DBUS_CALL_FLAGS_NONE,
                                -1, NULL,
                                (GAsyncReadyCallback)__bluetooth_internal_write_cb,
@@ -1338,6 +1369,7 @@ static void bluetooth_gatt_get_char_desc_cb(GDBusProxy *proxy,
        user_info = _bt_get_user_data(BT_COMMON);
 
        value = g_dbus_proxy_call_finish(proxy, res, &error);
+       characteristic.handle = user_data;
 
        if (value == NULL) {
                if (error != NULL) {
@@ -1352,7 +1384,7 @@ static void bluetooth_gatt_get_char_desc_cb(GDBusProxy *proxy,
                                BLUETOOTH_ERROR_INTERNAL, NULL,
                                user_info->cb, user_info->user_data);
                }
-               g_free(user_data);
+               g_free(characteristic.handle);
                g_object_unref(proxy);
                return;
        }
@@ -1369,13 +1401,13 @@ static void bluetooth_gatt_get_char_desc_cb(GDBusProxy *proxy,
                }
        }
 
-       characteristic.handle = user_data;
        if (user_info) {
                _bt_common_event_cb(BLUETOOTH_EVENT_GATT_SVC_CHAR_DESC_DISCOVERED,
                                ret, &characteristic, user_info->cb, user_info->user_data);
        }
        bluetooth_gatt_free_char_property(&characteristic);
 
+       g_free(characteristic.handle);
        g_variant_iter_free(char_iter);
        g_variant_unref(value);
        BT_DBG("-");
@@ -1422,86 +1454,85 @@ static void __bluetooth_internal_read_desc_cb(GObject *source_object,
                        gpointer user_data)
 {
        GError *error = NULL;
-       bt_user_info_t *user_info;
-       bt_gatt_char_property_t char_value =  { 0, };
        GDBusConnection *system_gconn = NULL;
        GVariant *value;
+       bt_user_info_t *user_info;
        GByteArray *gp_byte_array = NULL;
        GVariantIter *iter;
        guint8 g_byte;
-       gint att_error_code;
+       int att_ecode = 0;
+       bt_gatt_resp_data_t *resp_data = user_data;
 
        BT_DBG("+");
-       user_info = _bt_get_user_data(BT_COMMON);
-       system_gconn = _bt_gdbus_get_system_gconn();
 
-       char_value.handle = user_data;
+       system_gconn = _bt_gdbus_get_system_gconn();
        value = g_dbus_connection_call_finish(system_gconn, res, &error);
 
-       if (error) {
-               BT_ERR("Error : %s \n", error->message);
-               g_clear_error(&error);
-               if (user_info) {
-                       _bt_common_event_cb(BLUETOOTH_EVENT_GATT_READ_DESC,
-                                       BLUETOOTH_ERROR_INTERNAL, NULL,
-                                       user_info->cb, user_info->user_data);
+       user_info = _bt_get_user_data(BT_COMMON);
+       if (!user_info) {
+               g_free(resp_data);
+               if (error) {
+                       BT_ERR("Error : %s", error->message);
+                       g_clear_error(&error);
+                       return;
                }
-               g_free(char_value.handle);
+               g_variant_unref(value);
                return;
        }
 
-       g_variant_get(value, "(yay)", &att_error_code, &iter);
+       if (error) {
+               att_ecode = __bluetooth_get_att_error_code(error);
+               g_clear_error(&error);
 
-       if (att_error_code != 0) {
-               if (user_info) {
-                       _bt_common_event_cb(BLUETOOTH_EVENT_GATT_READ_DESC,
-                               att_error_code, NULL,
+               _bt_common_event_cb(BLUETOOTH_EVENT_GATT_READ_DESC,
+                               att_ecode, resp_data,
                                user_info->cb, user_info->user_data);
-               }
-               g_free(char_value.handle);
-               g_variant_unref(value);
-               g_variant_iter_free(iter);
+               g_free(resp_data);
                return;
        }
 
        gp_byte_array = g_byte_array_new();
-       while (g_variant_iter_loop(iter, "y",  &g_byte))
+       g_variant_get(value, "(ay)", &iter);
+
+       while (g_variant_iter_loop(iter, "y", &g_byte))
                g_byte_array_append(gp_byte_array, &g_byte, 1);
 
        if (gp_byte_array->len != 0) {
-               char_value.val_len = (unsigned int)gp_byte_array->len;
-               char_value.description = (char *)gp_byte_array->data;
+               resp_data->len = gp_byte_array->len;
+               resp_data->value = gp_byte_array->data;
        }
 
-       if (user_info) {
-               _bt_common_event_cb(BLUETOOTH_EVENT_GATT_READ_DESC,
-                               BLUETOOTH_ERROR_NONE, &char_value,
-                               user_info->cb, user_info->user_data);
-       }
+       _bt_common_event_cb(BLUETOOTH_EVENT_GATT_READ_DESC,
+                       BLUETOOTH_ATT_ERROR_NONE, resp_data,
+                       user_info->cb, user_info->user_data);
+       g_free(resp_data);
+
 
        g_byte_array_free(gp_byte_array, TRUE);
-       g_free(char_value.handle);
-       g_variant_unref(value);
        g_variant_iter_free(iter);
+       g_variant_unref(value);
 
        BT_DBG("-");
 }
 
-BT_EXPORT_API int bluetooth_gatt_read_descriptor_value(const char *char_descriptor)
+BT_EXPORT_API int bluetooth_gatt_read_descriptor_value(const char *desc,
+                                                      gpointer user_data)
 {
        GDBusConnection *conn;
        GVariantBuilder *builder;
        guint offset = 0;
-       char *handle;
+       bt_gatt_resp_data_t *resp_data;
 
        BT_DBG("+");
-       BT_CHECK_PARAMETER(char_descriptor, return);
+
+       BT_CHECK_PARAMETER(desc, return);
        BT_CHECK_ENABLED(return);
 
        conn = _bt_gdbus_get_system_gconn();
        retv_if(conn == NULL, BLUETOOTH_ERROR_INTERNAL);
 
-       handle = g_strdup(char_descriptor);
+       resp_data = g_malloc0(sizeof(bt_gatt_resp_data_t));
+       resp_data->user_data = user_data;
 
        builder = g_variant_builder_new(G_VARIANT_TYPE("a{sv}"));
 
@@ -1512,18 +1543,12 @@ BT_EXPORT_API int bluetooth_gatt_read_descriptor_value(const char *char_descript
 //  g_variant_builder_add(builder, "{sv}", "device",
 //  g_variant_new("o", serv_info->serv_path));
 
-       g_dbus_connection_call(conn,
-                       BT_BLUEZ_NAME,
-                       char_descriptor,
-                       GATT_DESC_INTERFACE,
-                       "ReadValue",
-                       g_variant_new("(a{sv})", builder),
-                       G_VARIANT_TYPE("(yay)"),
-                       G_DBUS_CALL_FLAGS_NONE,
-                       -1,
-                       NULL,
+       g_dbus_connection_call(conn, BT_BLUEZ_NAME, desc, GATT_DESC_INTERFACE,
+                       "ReadValue", g_variant_new("(a{sv})", builder),
+                       G_VARIANT_TYPE("(ay)"),
+                       G_DBUS_CALL_FLAGS_NONE, -1, NULL,
                        (GAsyncReadyCallback)__bluetooth_internal_read_desc_cb,
-                       (gpointer)handle);
+                       (gpointer)resp_data);
        g_variant_builder_unref(builder);
 
        BT_DBG("-");
@@ -1531,48 +1556,54 @@ BT_EXPORT_API int bluetooth_gatt_read_descriptor_value(const char *char_descript
 }
 
 static void __bluetooth_internal_write_desc_cb(GObject *source_object,
-                       GAsyncResult *res,
-                       gpointer user_data)
+                                       GAsyncResult *res, gpointer user_data)
 {
        GError *error = NULL;
        bt_user_info_t *user_info;
        GDBusConnection *system_gconn = NULL;
        GVariant *value;
-       int result = BLUETOOTH_ERROR_NONE;
-       guint8 att_ecode = 0;
+       int att_ecode = BLUETOOTH_ATT_ERROR_NONE;
+       bt_gatt_resp_data_t *resp_data = user_data;
 
        BT_DBG("+");
-       user_info = _bt_get_user_data(BT_COMMON);
 
        system_gconn = _bt_gdbus_get_system_gconn();
        value = g_dbus_connection_call_finish(system_gconn, res, &error);
 
-       if (error) {
-               BT_ERR("Error : %s \n", error->message);
-               g_clear_error(&error);
-               result = BLUETOOTH_ERROR_INTERNAL;
-       } else {
-               g_variant_get(value, "(y)", &att_ecode);
-               if (att_ecode) {
-                       result =  att_ecode;
-                       BT_ERR("ATT Error code: %d \n", att_ecode);
+       user_info = _bt_get_user_data(BT_COMMON);
+       if (!user_info) {
+               g_free(resp_data);
+               if (error) {
+                       BT_ERR("Error : %s", error->message);
+                       g_clear_error(&error);
+                       return;
                }
+               g_variant_unref(value);
+               return;
        }
 
-       if (user_info) {
+       if (error) {
+               att_ecode = __bluetooth_get_att_error_code(error);
+               g_clear_error(&error);
+
                _bt_common_event_cb(BLUETOOTH_EVENT_GATT_WRITE_DESC,
-                               result, NULL,
+                               att_ecode, resp_data,
                                user_info->cb, user_info->user_data);
+               g_free(resp_data);
+               return;
        }
 
-       if (value)
-               g_variant_unref(value);
+       _bt_common_event_cb(BLUETOOTH_EVENT_GATT_WRITE_DESC,
+                               BLUETOOTH_ATT_ERROR_NONE, resp_data,
+                       user_info->cb, user_info->user_data);
+       g_free(resp_data);
 
+       g_variant_unref(value);
        BT_DBG("-");
 }
 
-BT_EXPORT_API int bluetooth_gatt_write_descriptor_value(
-                       const char *desc_handle, const guint8 *value, int length)
+BT_EXPORT_API int bluetooth_gatt_write_descriptor_value(const char *desc,
+                       const guint8 *value, int length, gpointer user_data)
 {
        GVariant *val, *options;
        GDBusConnection *conn;
@@ -1580,9 +1611,11 @@ BT_EXPORT_API int bluetooth_gatt_write_descriptor_value(
        GVariantBuilder *builder2;
        guint offset = 0;
        int i;
+       bt_gatt_resp_data_t *resp_data;
 
        BT_DBG("+");
-       BT_CHECK_PARAMETER(desc_handle, return);
+
+       BT_CHECK_PARAMETER(desc, return);
        BT_CHECK_PARAMETER(value, return);
        retv_if(length == 0, BLUETOOTH_ERROR_INVALID_PARAM);
        BT_CHECK_ENABLED(return);
@@ -1608,18 +1641,15 @@ BT_EXPORT_API int bluetooth_gatt_write_descriptor_value(
 
        options = g_variant_new("a{sv}", builder2);
 
-       g_dbus_connection_call(conn,
-                               BT_BLUEZ_NAME,
-                               desc_handle,
-                               GATT_DESC_INTERFACE,
-                               "WriteValue",
-                               g_variant_new("(@ay@a{sv})",
-                               val, options),
-                               G_VARIANT_TYPE("(y)"),
-                               G_DBUS_CALL_FLAGS_NONE,
-                               -1, NULL,
-                               (GAsyncReadyCallback)__bluetooth_internal_write_desc_cb,
-                               NULL);
+       resp_data = g_malloc0(sizeof(bt_gatt_resp_data_t));
+       resp_data->user_data = user_data;
+
+       g_dbus_connection_call(conn, BT_BLUEZ_NAME, desc, GATT_DESC_INTERFACE,
+                       "WriteValue", g_variant_new("(@ay@a{sv})",
+                       val, options), NULL,
+                       G_DBUS_CALL_FLAGS_NONE, -1, NULL,
+                       (GAsyncReadyCallback)__bluetooth_internal_write_desc_cb,
+                       (gpointer)resp_data);
 
        g_variant_builder_unref(builder1);
        g_variant_builder_unref(builder2);