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 #include "bta/dm/bta_dm_gatt_client.h"
18
19 #include <base/functional/bind.h>
20 #include <base/functional/callback.h>
21 #include <base/strings/stringprintf.h>
22
23 #include <cstdint>
24 #include <string>
25 #include <vector>
26
27 #include "bta/include/bta_gatt_api.h"
28 #include "common/strings.h"
29 #include "main/shim/dumpsys.h"
30 #include "stack/btm/btm_int_types.h"
31 #include "types/bluetooth/uuid.h"
32 #include "types/raw_address.h"
33
34 // TODO(b/369381361) Enfore -Wmissing-prototypes
35 #pragma GCC diagnostic ignored "-Wmissing-prototypes"
36
37 namespace {
38 TimestampedStringCircularBuffer gatt_history_{50};
39 constexpr char kTimeFormatString[] = "%Y-%m-%d %H:%M:%S";
40
41 constexpr unsigned MillisPerSecond = 1000;
EpochMillisToString(uint64_t time_ms)42 std::string EpochMillisToString(uint64_t time_ms) {
43 time_t time_sec = time_ms / MillisPerSecond;
44 struct tm tm;
45 localtime_r(&time_sec, &tm);
46 std::string s = bluetooth::common::StringFormatTime(kTimeFormatString, tm);
47 return base::StringPrintf("%s.%03u", s.c_str(),
48 static_cast<unsigned int>(time_ms % MillisPerSecond));
49 }
50 } // namespace
51
52 gatt_interface_t default_gatt_interface = {
53 .BTA_GATTC_CancelOpen =
__anon43cdcbd20202() 54 [](tGATT_IF client_if, const RawAddress& remote_bda, bool is_direct) {
55 gatt_history_.Push(base::StringPrintf(
56 "%-32s bd_addr:%s client_if:%hu is_direct:%c", "GATTC_CancelOpen",
57 ADDRESS_TO_LOGGABLE_CSTR(remote_bda), static_cast<uint16_t>(client_if),
58 (is_direct) ? 'T' : 'F'));
59 BTA_GATTC_CancelOpen(client_if, remote_bda, is_direct);
60 },
61 .BTA_GATTC_Refresh =
__anon43cdcbd20302() 62 [](const RawAddress& remote_bda) {
63 gatt_history_.Push(base::StringPrintf("%-32s bd_addr:%s", "GATTC_Refresh",
64 ADDRESS_TO_LOGGABLE_CSTR(remote_bda)));
65 BTA_GATTC_Refresh(remote_bda);
66 },
67 .BTA_GATTC_GetGattDb =
68 [](tCONN_ID conn_id, uint16_t start_handle, uint16_t end_handle,
__anon43cdcbd20402() 69 btgatt_db_element_t** db, int* count) {
70 gatt_history_.Push(base::StringPrintf(
71 "%-32s conn_id:%hu start_handle:%hu end:handle:%hu", "GATTC_GetGattDb",
72 static_cast<uint16_t>(conn_id), start_handle, end_handle));
73 BTA_GATTC_GetGattDb(conn_id, start_handle, end_handle, db, count);
74 },
75 .BTA_GATTC_AppRegister =
__anon43cdcbd20502() 76 [](tBTA_GATTC_CBACK* p_client_cb, BtaAppRegisterCallback cb, bool eatt_support) {
77 gatt_history_.Push(base::StringPrintf("%-32s eatt_support:%c",
78 "GATTC_AppRegister",
79 (eatt_support) ? 'T' : 'F'));
80 BTA_GATTC_AppRegister(p_client_cb, cb, eatt_support);
81 },
82 .BTA_GATTC_Close =
__anon43cdcbd20602() 83 [](tCONN_ID conn_id) {
84 gatt_history_.Push(base::StringPrintf("%-32s conn_id:%hu", "GATTC_Close",
85 static_cast<uint16_t>(conn_id)));
86 BTA_GATTC_Close(conn_id);
87 },
88 .BTA_GATTC_ServiceSearchRequest =
__anon43cdcbd20702() 89 [](tCONN_ID conn_id, const bluetooth::Uuid* p_srvc_uuid) {
90 gatt_history_.Push(base::StringPrintf("%-32s conn_id:%hu",
91 "GATTC_ServiceSearchRequest",
92 static_cast<uint16_t>(conn_id)));
93 if (p_srvc_uuid) {
94 BTA_GATTC_ServiceSearchRequest(conn_id, *p_srvc_uuid);
95 } else {
96 BTA_GATTC_ServiceSearchAllRequest(conn_id);
97 }
98 },
99 .BTA_GATTC_Open =
100 [](tGATT_IF client_if, const RawAddress& remote_bda,
__anon43cdcbd20802() 101 tBTM_BLE_CONN_TYPE connection_type, bool opportunistic, uint16_t preferred_mtu) {
102 gatt_history_.Push(base::StringPrintf(
103 "%-32s bd_addr:%s client_if:%hu type:0x%x opportunistic:%c", "GATTC_Open",
104 ADDRESS_TO_LOGGABLE_CSTR(remote_bda), static_cast<uint16_t>(client_if),
105 connection_type, (opportunistic) ? 'T' : 'F'));
106 BTA_GATTC_Open(client_if, remote_bda, BLE_ADDR_PUBLIC, connection_type,
107 BT_TRANSPORT_LE, opportunistic, LE_PHY_1M, preferred_mtu);
108 },
109 };
110
111 gatt_interface_t* gatt_interface = &default_gatt_interface;
112
get_gatt_interface()113 gatt_interface_t& get_gatt_interface() { return *gatt_interface; }
114
gatt_history_callback(const std::string & entry)115 void gatt_history_callback(const std::string& entry) { gatt_history_.Push(entry); }
116
117 #define DUMPSYS_TAG "shim::legacy::bta::dm"
DumpsysBtaDmGattClient(int fd)118 void DumpsysBtaDmGattClient(int fd) {
119 auto gatt_history = gatt_history_.Pull();
120 LOG_DUMPSYS(fd, " last %zu gatt history entries", gatt_history.size());
121 for (const auto& it : gatt_history) {
122 LOG_DUMPSYS(fd, " %s %s", EpochMillisToString(it.timestamp).c_str(), it.entry.c_str());
123 }
124 }
125 #undef DUMPSYS_TAG
126
set_gatt_interface(const gatt_interface_t & interface)127 void bluetooth::testing::set_gatt_interface(const gatt_interface_t& interface) {
128 *gatt_interface = interface;
129 }
130
131 namespace bluetooth {
132 namespace legacy {
133 namespace testing {
134
PullCopyOfGattHistory()135 std::vector<bluetooth::common::TimestampedEntry<std::string>> PullCopyOfGattHistory() {
136 return gatt_history_.Pull();
137 }
138
139 } // namespace testing
140 } // namespace legacy
141 } // namespace bluetooth
142