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1 /*
2  * Copyright (c) 2021 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 "distributed_hardware_manager.h"
17 
18 #include "anonymous_string.h"
19 #include "capability_info_manager.h"
20 #include "component_loader.h"
21 #include "component_manager.h"
22 #include "dh_context.h"
23 #include "dh_utils_tool.h"
24 #include "distributed_hardware_errno.h"
25 #include "distributed_hardware_log.h"
26 #include "local_hardware_manager.h"
27 #include "task_board.h"
28 #include "task_executor.h"
29 #include "task_factory.h"
30 #include "version_manager.h"
31 
32 namespace OHOS {
33 namespace DistributedHardware {
34 #undef DH_LOG_TAG
35 #define DH_LOG_TAG "DistributedHardwareManager"
36 
37 #ifdef __cplusplus
38 #define EXTERNC extern "C"
39 #else
40 #define EXTERNC
41 #endif
42 
GetDistributedHardwareManagerInstance()43 EXTERNC __attribute__((visibility("default"))) IDistributedHardwareManager *GetDistributedHardwareManagerInstance()
44 {
45     return &DistributedHardwareManager::GetInstance();
46 }
47 
48 IMPLEMENT_SINGLE_INSTANCE(DistributedHardwareManager);
49 
Initialize()50 int32_t DistributedHardwareManager::Initialize()
51 {
52     DHLOGI("start");
53     CapabilityInfoManager::GetInstance()->Init();
54 
55     ComponentLoader::GetInstance().Init();
56 
57     LocalHardwareManager::GetInstance().Init();
58 
59     VersionManager::GetInstance().Init();
60 
61     ComponentManager::GetInstance().Init();
62 
63     return DH_FWK_SUCCESS;
64 }
65 
Release()66 int32_t DistributedHardwareManager::Release()
67 {
68     DHLOGI("start");
69     TaskBoard::GetInstance().WaitForALLTaskFinish();
70 
71     ComponentManager::GetInstance().UnInit();
72 
73     VersionManager::GetInstance().UnInit();
74 
75     LocalHardwareManager::GetInstance().UnInit();
76 
77     ComponentLoader::GetInstance().UnInit();
78 
79     CapabilityInfoManager::GetInstance()->UnInit();
80 
81     return DH_FWK_SUCCESS;
82 }
83 
SendOnLineEvent(const std::string & networkId,const std::string & uuid,uint16_t deviceType)84 int32_t DistributedHardwareManager::SendOnLineEvent(const std::string &networkId, const std::string &uuid,
85     uint16_t deviceType)
86 {
87     (void)deviceType;
88 
89     if (networkId.empty()) {
90         DHLOGE("networkId is empty");
91         return ERR_DH_FWK_REMOTE_NETWORK_ID_IS_EMPTY;
92     }
93     if (uuid.empty()) {
94         DHLOGE("uuid is empty, networkId = %s", GetAnonyString(networkId).c_str());
95         return ERR_DH_FWK_REMOTE_DEVICE_ID_IS_EMPTY;
96     }
97 
98     DHLOGI("networkId = %s, uuid = %s", GetAnonyString(networkId).c_str(), GetAnonyString(uuid).c_str());
99 
100     if (DHContext::GetInstance().IsDeviceOnline(uuid)) {
101         DHLOGW("device is already online, uuid = %s", GetAnonyString(uuid).c_str());
102         return ERR_DH_FWK_HARDWARE_MANAGER_DEVICE_REPEAT_ONLINE;
103     }
104 
105     auto task = TaskFactory::GetInstance().CreateTask(TaskType::ON_LINE, networkId, uuid, "", nullptr);
106     TaskExecutor::GetInstance().PushTask(task);
107     DHContext::GetInstance().AddOnlineDevice(uuid, networkId);
108     CapabilityInfoManager::GetInstance()->CreateManualSyncCount(GetDeviceIdByUUID(uuid));
109 
110     return DH_FWK_SUCCESS;
111 }
112 
SendOffLineEvent(const std::string & networkId,const std::string & uuid,uint16_t deviceType)113 int32_t DistributedHardwareManager::SendOffLineEvent(const std::string &networkId, const std::string &uuid,
114     uint16_t deviceType)
115 {
116     (void)deviceType;
117 
118     if (networkId.empty()) {
119         DHLOGE("networkId is empty");
120         return ERR_DH_FWK_REMOTE_NETWORK_ID_IS_EMPTY;
121     }
122 
123     // when other device restart, the device receives online and offline messages in sequence
124     // So, make the cache device handle offline event when other device restart
125     std::string cacheUUID = DHContext::GetInstance().GetUUIDByNetworkId(networkId);
126     if (uuid.empty() && cacheUUID.empty()) {
127         DHLOGE("uuid is empty, networkId = %s", GetAnonyString(networkId).c_str());
128         return ERR_DH_FWK_REMOTE_DEVICE_ID_IS_EMPTY;
129     }
130 
131     std::string realUUID = uuid.empty() ? cacheUUID : uuid;
132 
133     DHLOGI("networkId = %s, uuid = %s", GetAnonyString(networkId).c_str(), GetAnonyString(realUUID).c_str());
134 
135     if (!DHContext::GetInstance().IsDeviceOnline(realUUID)) {
136         DHLOGW("device is already offline, uuid = %s", GetAnonyString(realUUID).c_str());
137         return ERR_DH_FWK_HARDWARE_MANAGER_DEVICE_REPEAT_OFFLINE;
138     }
139 
140     auto task = TaskFactory::GetInstance().CreateTask(TaskType::OFF_LINE, networkId, realUUID, "", nullptr);
141     TaskExecutor::GetInstance().PushTask(task);
142 
143     DHContext::GetInstance().RemoveOnlineDevice(realUUID);
144     CapabilityInfoManager::GetInstance()->RemoveManualSyncCount(GetDeviceIdByUUID(realUUID));
145 
146     return DH_FWK_SUCCESS;
147 }
148 
GetOnLineCount()149 size_t DistributedHardwareManager::GetOnLineCount()
150 {
151     return DHContext::GetInstance().GetOnlineCount();
152 }
153 
GetComponentVersion(std::unordered_map<DHType,std::string> & versionMap)154 int32_t DistributedHardwareManager::GetComponentVersion(std::unordered_map<DHType, std::string> &versionMap)
155 {
156     DHLOGI("start");
157     DHVersion dhVersion;
158     int32_t ret = ComponentLoader::GetInstance().GetLocalDHVersion(dhVersion);
159     if (ret != DH_FWK_SUCCESS) {
160         DHLOGE("GetLocalDHVersion fail, errCode = %d", ret);
161         return ret;
162     }
163 
164     for (auto iter = dhVersion.compVersions.cbegin(); iter != dhVersion.compVersions.cend(); ++iter) {
165         versionMap.emplace(iter->first, iter->second.sinkVersion);
166     }
167     return DH_FWK_SUCCESS;
168 }
169 }
170 }
171