1 /******************************************************************************
2  *
3  *  Copyright (C) 2014 Google, Inc.
4  *
5  *  Licensed under the Apache License, Version 2.0 (the "License");
6  *  you may not use this file except in compliance with the License.
7  *  You may obtain a copy of the License at:
8  *
9  *  http://www.apache.org/licenses/LICENSE-2.0
10  *
11  *  Unless required by applicable law or agreed to in writing, software
12  *  distributed under the License is distributed on an "AS IS" BASIS,
13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  *  See the License for the specific language governing permissions and
15  *  limitations under the License.
16  *
17  ******************************************************************************/
18 
19 #pragma once
20 
21 #include <hardware/bluetooth.h>
22 #include <stdint.h>
23 #include <stdlib.h>
24 
25 #include "btcore/include/device_class.h"
26 
27 // Copies an array of consecutive properties of |count| to a newly
28 // allocated array. |properties| must not be NULL.
29 bt_property_t* property_copy_array(const bt_property_t* properties,
30                                    size_t count);
31 
32 // Copies |src| to |dest|. Returns the value of |dest|.
33 // |src| and |dest| must not be NULL.
34 bt_property_t* property_copy(bt_property_t* dest, const bt_property_t* src);
35 
36 // Returns true if the value of the two properties |p1| and |p2| are equal.
37 // |p1| and |p2| must not be NULL.
38 bool property_equals(const bt_property_t* p1, const bt_property_t* p2);
39 
40 // Property resource allocations. Caller is expected to free |property|
41 // using |property_free| or |property_free_array|.
42 // Parameter must not be NULL. A copy of the parameter is made and
43 // stored in the property.
44 bt_property_t* property_new_addr(const bt_bdaddr_t* addr);
45 bt_property_t* property_new_device_class(const bt_device_class_t* dc);
46 bt_property_t* property_new_device_type(bt_device_type_t device_type);
47 bt_property_t* property_new_discovery_timeout(const uint32_t timeout);
48 bt_property_t* property_new_name(const char* name);
49 bt_property_t* property_new_rssi(const int8_t rssi);
50 bt_property_t* property_new_scan_mode(bt_scan_mode_t scan_mode);
51 bt_property_t* property_new_uuids(const bt_uuid_t* uuid, size_t count);
52 
53 // Property resource frees both property and value.
54 void property_free(bt_property_t* property);
55 void property_free_array(bt_property_t* properties, size_t count);
56 
57 // Value check convenience methods. The contents of the property are
58 // checked for the respective validity and returns true, false otherwise.
59 // |property| must not be NULL.
60 bool property_is_addr(const bt_property_t* property);
61 bool property_is_device_class(const bt_property_t* property);
62 bool property_is_device_type(const bt_property_t* property);
63 bool property_is_discovery_timeout(const bt_property_t* property);
64 bool property_is_name(const bt_property_t* property);
65 bool property_is_rssi(const bt_property_t* property);
66 bool property_is_scan_mode(const bt_property_t* property);
67 bool property_is_uuids(const bt_property_t* property);
68 
69 // Value conversion convenience methods. The contents of the property are
70 // properly typed and returned to the caller. |property| must not be NULL.
71 const bt_bdaddr_t* property_as_addr(const bt_property_t* property);
72 const bt_device_class_t* property_as_device_class(
73     const bt_property_t* property);
74 bt_device_type_t property_as_device_type(const bt_property_t* property);
75 uint32_t property_as_discovery_timeout(const bt_property_t* property);
76 const bt_bdname_t* property_as_name(const bt_property_t* property);
77 int8_t property_as_rssi(const bt_property_t* property);
78 bt_scan_mode_t property_as_scan_mode(const bt_property_t* property);
79 const bt_uuid_t* property_as_uuids(const bt_property_t* property,
80                                    size_t* count);
81