1 /******************************************************************************
2 *
3 * Copyright 2009-2013 Broadcom Corporation
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 /*******************************************************************************
20 *
21 * Filename: btif_gatt.c
22 *
23 * Description: GATT Profile Bluetooth Interface
24 *
25 ******************************************************************************/
26
27 #define LOG_TAG "bt_btif_gatt"
28
29 #include "btif_gatt.h"
30
31 #include <com_android_bluetooth_flags.h>
32 #include <hardware/bluetooth.h>
33 #include <hardware/bt_gatt.h>
34 #include <stdlib.h>
35 #include <string.h>
36
37 #include "bta/include/bta_gatt_api.h"
38 #include "btif/include/btif_common.h"
39 #include "main/shim/distance_measurement_manager.h"
40 #include "main/shim/le_advertising_manager.h"
41
42 // TODO(b/369381361) Enfore -Wmissing-prototypes
43 #pragma GCC diagnostic ignored "-Wmissing-prototypes"
44
45 const btgatt_callbacks_t* bt_gatt_callbacks = NULL;
46
47 /*******************************************************************************
48 *
49 * Function btif_gatt_init
50 *
51 * Description Initializes the GATT interface
52 *
53 * Returns bt_status_t
54 *
55 ******************************************************************************/
btif_gatt_init(const btgatt_callbacks_t * callbacks)56 static bt_status_t btif_gatt_init(const btgatt_callbacks_t* callbacks) {
57 bt_gatt_callbacks = callbacks;
58 BTA_GATTS_InitBonded();
59 return BT_STATUS_SUCCESS;
60 }
61
62 /*******************************************************************************
63 *
64 * Function btif_gatt_cleanup
65 *
66 * Description Closes the GATT interface
67 *
68 * Returns void
69 *
70 ******************************************************************************/
btif_gatt_cleanup(void)71 static void btif_gatt_cleanup(void) {
72 if (bt_gatt_callbacks) {
73 bt_gatt_callbacks = NULL;
74 }
75
76 BTA_GATTC_Disable();
77 BTA_GATTS_Disable();
78 }
79
80 static btgatt_interface_t btgattInterface = {
81 .size = sizeof(btgattInterface),
82
83 .init = btif_gatt_init,
84 .cleanup = btif_gatt_cleanup,
85
86 .client = &btgattClientInterface,
87 .server = &btgattServerInterface,
88 .scanner = nullptr, // filled in btif_gatt_get_interface
89 .advertiser = nullptr // filled in btif_gatt_get_interface
90 };
91
92 /*******************************************************************************
93 *
94 * Function btif_gatt_get_interface
95 *
96 * Description Get the gatt callback interface
97 *
98 * Returns btgatt_interface_t
99 *
100 ******************************************************************************/
btif_gatt_get_interface()101 const btgatt_interface_t* btif_gatt_get_interface() {
102 // TODO(jpawlowski) right now initializing advertiser field in static
103 // structure cause explosion of dependencies. It must be initialized here
104 // until those dependencies are properly abstracted for tests.
105 btgattInterface.scanner = get_ble_scanner_instance();
106 btgattInterface.advertiser = bluetooth::shim::get_ble_advertiser_instance();
107 btgattInterface.distance_measurement_manager =
108 bluetooth::shim::get_distance_measurement_instance();
109 return &btgattInterface;
110 }
111