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
16 #include "interface_state_observer_wrapper.h"
17
18 #include "constant.h"
19 #include "ethernet_client.h"
20 #include "module_template.h"
21 #include "net_manager_constants.h"
22 #include "netmanager_ext_log.h"
23
24 namespace OHOS {
25 namespace NetManagerStandard {
InterfaceStateObserverWrapper()26 InterfaceStateObserverWrapper::InterfaceStateObserverWrapper()
27 : observer_(new InterfaceStateObserver()), manager_(std::make_shared<EventManager>()), registered_(false)
28 {
29 }
30
31 InterfaceStateObserverWrapper::~InterfaceStateObserverWrapper() = default;
32
GetInstance()33 InterfaceStateObserverWrapper &InterfaceStateObserverWrapper::GetInstance()
34 {
35 static InterfaceStateObserverWrapper instance;
36 return instance;
37 }
38
On(napi_env env,napi_callback_info info,const std::initializer_list<std::string> & events,bool asyncCallback)39 napi_value InterfaceStateObserverWrapper::On(napi_env env, napi_callback_info info,
40 const std::initializer_list<std::string> &events, bool asyncCallback)
41 {
42 if (manager_ == nullptr || observer_ == nullptr) {
43 return NapiUtils::GetUndefined(env);
44 }
45 size_t paramsCount = MAX_PARAM_NUM;
46 napi_value params[MAX_PARAM_NUM] = {nullptr};
47 NAPI_CALL(env, napi_get_cb_info(env, info, ¶msCount, params, nullptr, nullptr));
48 if (paramsCount != PARAM_OPTIONS_AND_CALLBACK || NapiUtils::GetValueType(env, params[ARG_INDEX_0]) != napi_string ||
49 NapiUtils::GetValueType(env, params[ARG_INDEX_1]) != napi_function) {
50 NETMANAGER_EXT_LOGE("on off once interface para: [string, function]");
51 napi_throw_error(env, std::to_string(NETMANAGER_ERR_PARAMETER_ERROR).c_str(), "Parameter error");
52 return NapiUtils::GetUndefined(env);
53 }
54
55 const auto event = NapiUtils::GetStringFromValueUtf8(env, params[ARG_INDEX_0]);
56 if (std::find(events.begin(), events.end(), event) == events.end()) {
57 return NapiUtils::GetUndefined(env);
58 }
59 if (!registered_) {
60 int32_t ret = DelayedSingleton<EthernetClient>::GetInstance()->RegisterIfacesStateChanged(observer_);
61 NETMANAGER_EXT_LOGI("ret = [%{public}d]", ret);
62 registered_ = (ret == NETMANAGER_SUCCESS);
63 if (!registered_) {
64 NETMANAGER_EXT_LOGE("register callback error");
65 NetBaseErrorCodeConvertor convertor;
66 std::string errorMsg = convertor.ConvertErrorCode(ret);
67 napi_throw_error(env, std::to_string(ret).c_str(), errorMsg.c_str());
68 }
69 }
70 if (registered_) {
71 manager_->AddListener(env, event, params[ARG_INDEX_1], false, asyncCallback);
72 }
73 return NapiUtils::GetUndefined(env);
74 }
75
Off(napi_env env,napi_callback_info info,const std::initializer_list<std::string> & events,bool asyncCallback)76 napi_value InterfaceStateObserverWrapper::Off(napi_env env, napi_callback_info info,
77 const std::initializer_list<std::string> &events, bool asyncCallback)
78 {
79 if (manager_ == nullptr || observer_ == nullptr) {
80 return NapiUtils::GetUndefined(env);
81 }
82
83 napi_value thisVal = nullptr;
84 size_t paramsCount = MAX_PARAM_NUM;
85 napi_value params[MAX_PARAM_NUM] = {nullptr};
86 NAPI_CALL(env, napi_get_cb_info(env, info, ¶msCount, params, &thisVal, nullptr));
87
88 if (!(paramsCount == PARAM_JUST_OPTIONS || paramsCount == PARAM_OPTIONS_AND_CALLBACK) ||
89 NapiUtils::GetValueType(env, params[ARG_INDEX_0]) != napi_string) {
90 NETMANAGER_EXT_LOGE("on off once interface para: [string, function?]");
91 napi_throw_error(env, std::to_string(NETMANAGER_ERR_PARAMETER_ERROR).c_str(), "Parameter error");
92 return NapiUtils::GetUndefined(env);
93 }
94
95 if (paramsCount == PARAM_OPTIONS_AND_CALLBACK &&
96 NapiUtils::GetValueType(env, params[ARG_INDEX_1]) != napi_function) {
97 NETMANAGER_EXT_LOGE("on off once interface para: [string, function]");
98 return NapiUtils::GetUndefined(env);
99 }
100
101 std::string event = NapiUtils::GetStringFromValueUtf8(env, params[ARG_INDEX_0]);
102 if (std::find(events.begin(), events.end(), event) == events.end()) {
103 return NapiUtils::GetUndefined(env);
104 }
105
106 if (paramsCount == PARAM_OPTIONS_AND_CALLBACK) {
107 manager_->DeleteListener(event, params[ARG_INDEX_1]);
108 } else {
109 manager_->DeleteListener(event);
110 }
111
112 if (manager_->IsListenerListEmpty()) {
113 auto ret = DelayedSingleton<EthernetClient>::GetInstance()->UnregisterIfacesStateChanged(observer_);
114 if (ret != NETMANAGER_SUCCESS) {
115 NETMANAGER_EXT_LOGE("unregister ret = %{public}d", ret);
116 NetBaseErrorCodeConvertor convertor;
117 std::string errorMsg = convertor.ConvertErrorCode(ret);
118 napi_throw_error(env, std::to_string(ret).c_str(), errorMsg.c_str());
119 }
120 registered_ = false;
121 }
122 return NapiUtils::GetUndefined(env);
123 }
124 } // namespace NetManagerStandard
125 } // namespace OHOS
126