1 /*
2 * Copyright (C) 2022 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include "bluetooth_proxy_manager.h"
17
18 #include "bluetooth_ble_central_manager.h"
19 #include "bluetooth_def.h"
20 #include "bluetooth_host.h"
21 #include "bluetooth_log.h"
22 #include "i_bluetooth_ble_central_manager.h"
23 #include "i_bluetooth_host.h"
24 #include "iservice_registry.h"
25 #include "system_ability_definition.h"
26
27 namespace OHOS {
28 namespace Bluetooth {
GetInstance()29 BluetoothProxyManager& BluetoothProxyManager::GetInstance()
30 {
31 static BluetoothProxyManager instance;
32 return instance;
33 }
34
FreezeByRss(int32_t uid,bool isProxy)35 bool BluetoothProxyManager::FreezeByRss(int32_t uid, bool isProxy)
36 {
37 HILOGD("FreezeByRss start. uid:%{public}d , isProxy:%{public}d", uid, isProxy);
38 if (!IS_BLE_ENABLED()) {
39 HILOGD("bluetooth is off.");
40 return false;
41 }
42 if (!GetBleCentralManagerProxy()) {
43 HILOGE("GetBleCentralManagerProxy failed.");
44 return false;
45 }
46 return proxy_->FreezeByRss(uid, isProxy);
47 }
48
ResetAllProxy()49 bool BluetoothProxyManager::ResetAllProxy()
50 {
51 HILOGI("ResetAllProxy start.");
52 if (!IS_BLE_ENABLED()) {
53 HILOGD("bluetooth is off.");
54 return false;
55 }
56 if (!GetBleCentralManagerProxy()) {
57 HILOGE("GetBleCentralManagerProxy failed.");
58 return false;
59 }
60 return proxy_->ResetAllProxy();
61 }
62
GetBleCentralManagerProxy()63 bool BluetoothProxyManager::GetBleCentralManagerProxy()
64 {
65 if (proxy_) {
66 return true;
67 }
68
69 std::lock_guard<std::mutex> lock(mutex_);
70 sptr<ISystemAbilityManager> samgr = SystemAbilityManagerClient::GetInstance().GetSystemAbilityManager();
71 if (!samgr) {
72 HILOGE("samgr is null");
73 return false;
74 }
75
76 sptr<IRemoteObject> hostRemote = samgr->GetSystemAbility(BLUETOOTH_HOST_SYS_ABILITY_ID);
77 if (!hostRemote) {
78 HILOGE("hostRemote is null");
79 return false;
80 }
81 sptr<IBluetoothHost> hostProxy = iface_cast<IBluetoothHost>(hostRemote);
82 if (!hostProxy) {
83 HILOGE("hostProxy is null");
84 return false;
85 }
86 sptr<IRemoteObject> remote = hostProxy->GetBleRemote(BLE_CENTRAL_MANAGER_SERVER);
87 if (!remote) {
88 HILOGE("remote is null");
89 return false;
90 }
91 proxy_ = iface_cast<IBluetoothBleCentralManager>(remote);
92 if (!proxy_ || !proxy_->AsObject()) {
93 HILOGE("proxy_ is null");
94 return false;
95 }
96 recipient_ = new (std::nothrow) BleCentralManagerDeathRecipient(*this);
97 if (!recipient_) {
98 HILOGE("recipient_ is null");
99 proxy_ = nullptr;
100 return false;
101 }
102 proxy_->AsObject()->AddDeathRecipient(recipient_);
103 return true;
104 }
105
ResetClient()106 void BluetoothProxyManager::ResetClient()
107 {
108 if (proxy_ && proxy_->AsObject()) {
109 proxy_->AsObject()->RemoveDeathRecipient(recipient_);
110 }
111 proxy_ = nullptr;
112 }
113
BleCentralManagerDeathRecipient(BluetoothProxyManager & bleProxyManager)114 BluetoothProxyManager::BleCentralManagerDeathRecipient::BleCentralManagerDeathRecipient(
115 BluetoothProxyManager &bleProxyManager) : bleProxyManager_(bleProxyManager) {}
116
~BleCentralManagerDeathRecipient()117 BluetoothProxyManager::BleCentralManagerDeathRecipient::~BleCentralManagerDeathRecipient() {}
118
OnRemoteDied(const wptr<IRemoteObject> & object)119 void BluetoothProxyManager::BleCentralManagerDeathRecipient::OnRemoteDied(const wptr<IRemoteObject> &object)
120 {
121 bleProxyManager_.ResetClient();
122 }
123 } // namespace Bluetooth
124 } // namespace OHOS