1 /*
2 * Copyright 2023 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #pragma once
18
19 #include <bluetooth/log.h>
20
21 #include <string>
22
23 #include "bta/include/bta_api.h"
24 #include "macros.h"
25 #include "stack/btm/neighbor_inquiry.h"
26 #include "types/raw_address.h"
27
28 /* DM search events */
29 typedef enum : uint16_t {
30 /* DM search API events */
31 BTA_DM_API_SEARCH_EVT,
32 BTA_DM_API_SEARCH_CANCEL_EVT,
33 BTA_DM_INQUIRY_CMPL_EVT,
34 BTA_DM_REMT_NAME_EVT,
35 BTA_DM_SEARCH_CMPL_EVT,
36 } tBTA_DM_DEV_SEARCH_EVT;
37
bta_dm_event_text(const tBTA_DM_DEV_SEARCH_EVT & event)38 inline std::string bta_dm_event_text(const tBTA_DM_DEV_SEARCH_EVT& event) {
39 switch (event) {
40 CASE_RETURN_TEXT(BTA_DM_API_SEARCH_EVT);
41 CASE_RETURN_TEXT(BTA_DM_API_SEARCH_CANCEL_EVT);
42 CASE_RETURN_TEXT(BTA_DM_INQUIRY_CMPL_EVT);
43 CASE_RETURN_TEXT(BTA_DM_REMT_NAME_EVT);
44 CASE_RETURN_TEXT(BTA_DM_SEARCH_CMPL_EVT);
45 }
46 }
47
48 /* data type for BTA_DM_API_SEARCH_EVT */
49 typedef struct {
50 tBTA_DM_SEARCH_CBACK* p_cback;
51 } tBTA_DM_API_SEARCH;
52
53 typedef struct {
54 RawAddress bd_addr;
55 BD_NAME bd_name; /* Name of peer device. */
56 tHCI_STATUS hci_status;
57 } tBTA_DM_REMOTE_NAME;
58
59 using tBTA_DM_SEARCH_MSG = std::variant<tBTA_DM_API_SEARCH, tBTA_DM_REMOTE_NAME>;
60
61 /* DM search state */
62 typedef enum {
63 BTA_DM_SEARCH_IDLE,
64 BTA_DM_SEARCH_ACTIVE,
65 BTA_DM_SEARCH_CANCELLING,
66 } tBTA_DM_DEVICE_SEARCH_STATE;
67
bta_dm_state_text(const tBTA_DM_DEVICE_SEARCH_STATE & state)68 inline std::string bta_dm_state_text(const tBTA_DM_DEVICE_SEARCH_STATE& state) {
69 switch (state) {
70 CASE_RETURN_TEXT(BTA_DM_SEARCH_IDLE);
71 CASE_RETURN_TEXT(BTA_DM_SEARCH_ACTIVE);
72 CASE_RETURN_TEXT(BTA_DM_SEARCH_CANCELLING);
73 }
74 }
75
76 /* DM search control block */
77 typedef struct {
78 tBTA_DM_SEARCH_CBACK* p_device_search_cback;
79 tBTM_INQ_INFO* p_btm_inq_info;
80 /* This covers device search state. That is scanning through android Settings
81 * to discover LE and Classic devices. Runs Name discovery on Inquiry Results
82 */
83 tBTA_DM_DEVICE_SEARCH_STATE search_state;
84 bool name_discover_done;
85 /* peer address used for name discovery */
86 RawAddress peer_bdaddr;
87 BD_NAME peer_name;
88 std::unique_ptr<tBTA_DM_SEARCH_MSG> p_pending_search;
89 tBTA_DM_SEARCH_CBACK* p_csis_scan_cback;
90 } tBTA_DM_SEARCH_CB;
91
92 namespace std {
93 template <>
94 struct formatter<tBTA_DM_DEV_SEARCH_EVT> : enum_formatter<tBTA_DM_DEV_SEARCH_EVT> {};
95 template <>
96 struct formatter<tBTA_DM_DEVICE_SEARCH_STATE> : enum_formatter<tBTA_DM_DEVICE_SEARCH_STATE> {};
97 } // namespace std
98