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 <base/strings/stringprintf.h>
20 #include <bluetooth/log.h>
21
22 #include <string>
23
24 #include "bta/include/bta_api.h"
25 #include "macros.h"
26 #include "stack/btm/neighbor_inquiry.h"
27 #include "types/raw_address.h"
28
29 /* DM search events */
30 typedef enum : uint16_t {
31 /* DM search API events */
32 BTA_DM_API_SEARCH_EVT,
33 BTA_DM_API_SEARCH_CANCEL_EVT,
34 BTA_DM_INQUIRY_CMPL_EVT,
35 BTA_DM_REMT_NAME_EVT,
36 BTA_DM_SEARCH_CMPL_EVT,
37 } tBTA_DM_DEV_SEARCH_EVT;
38
bta_dm_event_text(const tBTA_DM_DEV_SEARCH_EVT & event)39 inline std::string bta_dm_event_text(const tBTA_DM_DEV_SEARCH_EVT& event) {
40 switch (event) {
41 CASE_RETURN_TEXT(BTA_DM_API_SEARCH_EVT);
42 CASE_RETURN_TEXT(BTA_DM_API_SEARCH_CANCEL_EVT);
43 CASE_RETURN_TEXT(BTA_DM_INQUIRY_CMPL_EVT);
44 CASE_RETURN_TEXT(BTA_DM_REMT_NAME_EVT);
45 CASE_RETURN_TEXT(BTA_DM_SEARCH_CMPL_EVT);
46 }
47 }
48
49 /* data type for BTA_DM_API_SEARCH_EVT */
50 typedef struct {
51 tBTA_DM_SEARCH_CBACK* p_cback;
52 } tBTA_DM_API_SEARCH;
53
54 typedef struct {
55 RawAddress bd_addr;
56 BD_NAME bd_name; /* Name of peer device. */
57 tHCI_STATUS hci_status;
58 } tBTA_DM_REMOTE_NAME;
59
60 using tBTA_DM_SEARCH_MSG = std::variant<tBTA_DM_API_SEARCH, tBTA_DM_REMOTE_NAME>;
61
62 /* DM search state */
63 typedef enum {
64 BTA_DM_SEARCH_IDLE,
65 BTA_DM_SEARCH_ACTIVE,
66 BTA_DM_SEARCH_CANCELLING,
67 } tBTA_DM_DEVICE_SEARCH_STATE;
68
bta_dm_state_text(const tBTA_DM_DEVICE_SEARCH_STATE & state)69 inline std::string bta_dm_state_text(const tBTA_DM_DEVICE_SEARCH_STATE& state) {
70 switch (state) {
71 CASE_RETURN_TEXT(BTA_DM_SEARCH_IDLE);
72 CASE_RETURN_TEXT(BTA_DM_SEARCH_ACTIVE);
73 CASE_RETURN_TEXT(BTA_DM_SEARCH_CANCELLING);
74 }
75 }
76
77 /* DM search control block */
78 typedef struct {
79 tBTA_DM_SEARCH_CBACK* p_device_search_cback;
80 tBTM_INQ_INFO* p_btm_inq_info;
81 /* This covers device search state. That is scanning through android Settings
82 * to discover LE and Classic devices. Runs Name discovery on Inquiry Results
83 */
84 tBTA_DM_DEVICE_SEARCH_STATE search_state;
85 bool name_discover_done;
86 /* peer address used for name discovery */
87 RawAddress peer_bdaddr;
88 BD_NAME peer_name;
89 std::unique_ptr<tBTA_DM_SEARCH_MSG> p_pending_search;
90 tBTA_DM_SEARCH_CBACK* p_csis_scan_cback;
91 } tBTA_DM_SEARCH_CB;
92
93 namespace std {
94 template <>
95 struct formatter<tBTA_DM_DEV_SEARCH_EVT> : enum_formatter<tBTA_DM_DEV_SEARCH_EVT> {};
96 template <>
97 struct formatter<tBTA_DM_DEVICE_SEARCH_STATE> : enum_formatter<tBTA_DM_DEVICE_SEARCH_STATE> {};
98 } // namespace std
99