1 /*
2 * Copyright (c) 2023 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 #include "ams_mgr_proxy.h"
16
17 #include "datashare_log.h"
18 #include "extension_ability_info.h"
19 #include "if_system_ability_manager.h"
20 #include "iservice_registry.h"
21 #include "system_ability_definition.h"
22 #include "want.h"
23
24 namespace OHOS::DataShare {
25
OnProxyDied()26 void AmsMgrProxy::OnProxyDied()
27 {
28 std::lock_guard<std::mutex> lock(mutex_);
29 if (sa_ != nullptr) {
30 sa_->RemoveDeathRecipient(deathRecipient_);
31 }
32 deathRecipient_ = nullptr;
33 proxy_ = nullptr;
34 }
35
~AmsMgrProxy()36 AmsMgrProxy::~AmsMgrProxy()
37 {
38 std::lock_guard<std::mutex> lock(mutex_);
39 if (sa_ != nullptr) {
40 sa_->RemoveDeathRecipient(deathRecipient_);
41 }
42 }
43
GetInstance()44 AmsMgrProxy* AmsMgrProxy::GetInstance()
45 {
46 static AmsMgrProxy* proxy = nullptr;
47 if (proxy != nullptr) {
48 return proxy;
49 }
50 std::mutex premutex_;
51 std::lock_guard<std::mutex> lock(premutex_);
52 if (proxy != nullptr) {
53 return proxy;
54 }
55 proxy = new AmsMgrProxy();
56 if (proxy == nullptr) {
57 LOG_ERROR("new proxy failed");
58 }
59 return proxy;
60 }
61
Connect(const std::string & uri,const sptr<IRemoteObject> & connect,const sptr<IRemoteObject> & callerToken)62 int AmsMgrProxy::Connect(
63 const std::string &uri, const sptr<IRemoteObject> &connect, const sptr<IRemoteObject> &callerToken)
64 {
65 AAFwk::Want want;
66 want.SetUri(uri);
67 std::lock_guard<std::mutex> lock(mutex_);
68 if (ConnectSA()) {
69 return proxy_->ConnectAbilityCommon(want, connect, callerToken, AppExecFwk::ExtensionAbilityType::DATASHARE);
70 }
71 return -1;
72 }
73
ConnectSA()74 bool AmsMgrProxy::ConnectSA()
75 {
76 if (proxy_ != nullptr) {
77 return true;
78 }
79 sptr<ISystemAbilityManager> systemAbilityManager =
80 SystemAbilityManagerClient::GetInstance().GetSystemAbilityManager();
81 if (systemAbilityManager == nullptr) {
82 LOG_ERROR("Failed to get system ability mgr.");
83 return false;
84 }
85
86 sa_ = systemAbilityManager->GetSystemAbility(ABILITY_MGR_SERVICE_ID);
87 if (sa_ == nullptr) {
88 LOG_ERROR("get ability manager service failed.");
89 return false;
90 }
91
92 deathRecipient_ = new (std::nothrow) AmsMgrProxy::ServiceDeathRecipient(this);
93 if (deathRecipient_ == nullptr) {
94 LOG_ERROR("new death recipient failed.");
95 return false;
96 }
97 sa_->AddDeathRecipient(deathRecipient_);
98 proxy_ = new (std::nothrow)Proxy(sa_);
99 if (proxy_ == nullptr) {
100 LOG_ERROR("new proxy failed");
101 return false;
102 }
103 return true;
104 }
105
DisConnect(sptr<IRemoteObject> connect)106 int AmsMgrProxy::DisConnect(sptr<IRemoteObject> connect)
107 {
108 std::lock_guard<std::mutex> lock(mutex_);
109 if (ConnectSA()) {
110 return proxy_->DisconnectAbility(connect);
111 }
112 return -1;
113 }
114 } // namespace OHOS::DataShare