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1 /*
2  * Copyright (c) 2022-2023 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 
16 #include "network_module.h"
17 #include "gettype_context.h"
18 #include "module_template.h"
19 #include "netmanager_base_log.h"
20 #include "network_async_work.h"
21 #include "network_exec.h"
22 #include "network_observer.h"
23 #include "subscribe_context.h"
24 #include "unsubscribe_context.h"
25 
26 namespace OHOS::NetManagerStandard {
InitNetworkModule(napi_env env,napi_value exports)27 napi_value NetworkModule::InitNetworkModule(napi_env env, napi_value exports)
28 {
29     std::initializer_list<napi_property_descriptor> properties = {
30         DECLARE_NAPI_FUNCTION(FUNCTION_GET_TYPE, GetType),
31         DECLARE_NAPI_FUNCTION(FUNCTION_SUBSCRIBE, Subscribe),
32         DECLARE_NAPI_FUNCTION(FUNCTION_UNSUBSCRIBE, Unsubscribe),
33     };
34     NapiUtils::DefineProperties(env, exports, properties);
35     auto manager = std::make_shared<EventManager>();
36     auto observer = new NetworkObserver;
37     observer->SetManager(manager);
38     {
39         std::lock_guard<std::shared_mutex> lock(g_observerMapMtx);
40         g_observerMap[manager] = observer;
41     }
42 
43     auto finalizer = [](napi_env, void *data, void *) {
44         auto sharedManager = reinterpret_cast<std::shared_ptr<EventManager> *>(data);
45         if (sharedManager != nullptr) {
46             delete sharedManager;
47         }
48     };
49     auto sharedManager = new (std::nothrow) std::shared_ptr<EventManager>();
50     if (sharedManager == nullptr) {
51         return exports;
52     }
53     *sharedManager = manager;
54     napi_wrap(env, exports, reinterpret_cast<void *>(sharedManager), finalizer, nullptr, nullptr);
55     NapiUtils::SetEnvValid(env);
56     auto envWrapper = new (std::nothrow) napi_env;
57     if (envWrapper == nullptr) {
58         NETMANAGER_BASE_LOGE("EnvWrapper create fail!");
59         return exports;
60     }
61     *envWrapper = env;
62     napi_add_env_cleanup_hook(env, NapiUtils::HookForEnvCleanup, envWrapper);
63     return exports;
64 }
65 
GetType(napi_env env,napi_callback_info info)66 napi_value NetworkModule::GetType(napi_env env, napi_callback_info info)
67 {
68     NETMANAGER_BASE_LOGD("GetType is called");
69     return ModuleTemplate::InterfaceWithoutManager<GetTypeContext>(
70         env, info, "SystemNetworkGetType", nullptr, NetworkAsyncWork::ExecGetType, NetworkAsyncWork::GetTypeCallback);
71 }
72 
Subscribe(napi_env env,napi_callback_info info)73 napi_value NetworkModule::Subscribe(napi_env env, napi_callback_info info)
74 {
75     NETMANAGER_BASE_LOGI("Subscribe is called");
76     return ModuleTemplate::Interface<SubscribeContext>(env, info, "SystemNetworkSubscribe", nullptr,
77                                                        NetworkAsyncWork::ExecSubscribe,
78                                                        NetworkAsyncWork::SubscribeCallback);
79 }
80 
Unsubscribe(napi_env env,napi_callback_info info)81 napi_value NetworkModule::Unsubscribe(napi_env env, napi_callback_info info)
82 {
83     NETMANAGER_BASE_LOGI("Unsubscribe is called");
84     return ModuleTemplate::InterfaceSync<UnsubscribeContext>(
85         env, info, "SystemNetworkUnsubscribe", nullptr, NetworkExec::ExecUnsubscribe, NetworkExec::UnsubscribeCallback);
86 }
87 
88 NAPI_MODULE(network, NetworkModule::InitNetworkModule)
89 } // namespace OHOS::NetManagerStandard