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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 <unistd.h>
17 
18 #include "container_manager_client.h"
19 
20 #include "string_ex.h"
21 #include "icontainer_manager.h"
22 #include "hilog_wrapper.h"
23 #include "if_system_ability_manager.h"
24 #include "ipc_skeleton.h"
25 #include "iservice_registry.h"
26 #include "system_ability_definition.h"
27 
28 namespace OHOS {
29 namespace AAFwk {
30 const int32_t CONTAINER_MANAGER_ABILITY_ID = 19000;
31 const int32_t MAX_RETRY_TIME = 50;
32 const int32_t RETRY_INTERVAL = 100 * 1000;
33 std::shared_ptr<ContainerManagerClient> ContainerManagerClient::instance_ = nullptr;
34 std::mutex ContainerManagerClient::mutex_;
35 
36 #define CHECK_REMOTE_OBJECT_AND_RETURN(object, value)      \
37     if (!(object)) {                                         \
38         if (ERR_OK != Connect()) {                         \
39             HILOG_ERROR("container manager can't connect."); \
40             return (value);                                  \
41         }                                                  \
42     }
43 
GetInstance()44 std::shared_ptr<ContainerManagerClient> ContainerManagerClient::GetInstance()
45 {
46     if (instance_ == nullptr) {
47         std::lock_guard<std::mutex> lock_l(mutex_);
48         if (instance_ == nullptr) {
49             instance_ = std::make_shared<ContainerManagerClient>();
50         }
51     }
52     return instance_;
53 }
54 
ContainerManagerClient()55 ContainerManagerClient::ContainerManagerClient()
56 {}
57 
~ContainerManagerClient()58 ContainerManagerClient::~ContainerManagerClient()
59 {}
60 
Connect()61 ErrCode ContainerManagerClient::Connect()
62 {
63     std::lock_guard<std::mutex> lock(mutex_);
64     if (remoteObject_ != nullptr) {
65         return ERR_OK;
66     }
67     sptr<ISystemAbilityManager> systemManager = SystemAbilityManagerClient::GetInstance().GetSystemAbilityManager();
68     if (systemManager == nullptr) {
69         HILOG_ERROR("Fail to get registry.");
70         return -1;
71     }
72     remoteObject_ = systemManager->GetSystemAbility(CONTAINER_MANAGER_ABILITY_ID);
73 
74     uint32_t waitCnt = 0;
75     while (waitCnt < MAX_RETRY_TIME && remoteObject_ == nullptr) {
76         usleep(RETRY_INTERVAL);  // 100ms
77         remoteObject_ = systemManager->GetSystemAbility(CONTAINER_MANAGER_ABILITY_ID);
78         waitCnt++;
79     }
80 
81     if (remoteObject_ == nullptr) {
82         HILOG_ERROR("Fail to connect container manager service.");
83         return -1;
84     }
85 
86     HILOG_DEBUG("Connect container manager service success.");
87     return ERR_OK;
88 }
89 
NotifyBootComplete(int state)90 ErrCode ContainerManagerClient::NotifyBootComplete(int state)
91 {
92     CHECK_REMOTE_OBJECT_AND_RETURN(remoteObject_, -1);
93     sptr<IContainerManager> container_manager = iface_cast<IContainerManager>(remoteObject_);
94     if (container_manager == nullptr) {
95         HILOG_ERROR("ContainerManagerClient::NotifyBootComplete, container_manager is nullptr");
96         return ERR_NULL_OBJECT;
97     }
98     HILOG_INFO("NotifyBootComplete");
99     return container_manager->NotifyBootComplete(state);
100 }
101 }  // namespace AAFwk
102 }  // namespace AAFwk