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_(new EventManager()), registered_(false)
28 {
29 }
30
~InterfaceStateObserverWrapper()31 InterfaceStateObserverWrapper::~InterfaceStateObserverWrapper()
32 {
33 delete manager_;
34 }
35
GetInstance()36 InterfaceStateObserverWrapper &InterfaceStateObserverWrapper::GetInstance()
37 {
38 static InterfaceStateObserverWrapper instance;
39 return instance;
40 }
41
On(napi_env env,napi_callback_info info,const std::initializer_list<std::string> & events,bool asyncCallback)42 napi_value InterfaceStateObserverWrapper::On(napi_env env, napi_callback_info info,
43 const std::initializer_list<std::string> &events, bool asyncCallback)
44 {
45 if (manager_ == nullptr || observer_ == nullptr) {
46 return NapiUtils::GetUndefined(env);
47 }
48 size_t paramsCount = MAX_PARAM_NUM;
49 napi_value params[MAX_PARAM_NUM] = {nullptr};
50 NAPI_CALL(env, napi_get_cb_info(env, info, ¶msCount, params, nullptr, nullptr));
51 if (paramsCount != PARAM_OPTIONS_AND_CALLBACK || NapiUtils::GetValueType(env, params[ARG_INDEX_0]) != napi_string ||
52 NapiUtils::GetValueType(env, params[ARG_INDEX_1]) != napi_function) {
53 NETMANAGER_EXT_LOGE("on off once interface para: [string, function]");
54 napi_throw_error(env, std::to_string(NETMANAGER_ERR_PARAMETER_ERROR).c_str(), "Parameter error");
55 return NapiUtils::GetUndefined(env);
56 }
57
58 const auto event = NapiUtils::GetStringFromValueUtf8(env, params[ARG_INDEX_0]);
59 if (std::find(events.begin(), events.end(), event) == events.end()) {
60 return NapiUtils::GetUndefined(env);
61 }
62 if (!registered_) {
63 int32_t ret = DelayedSingleton<EthernetClient>::GetInstance()->RegisterIfacesStateChanged(observer_);
64 NETMANAGER_EXT_LOGI("ret = [%{public}d]", ret);
65 registered_ = (ret == NETMANAGER_SUCCESS);
66 if (!registered_) {
67 NETMANAGER_EXT_LOGE("register callback error");
68 NetBaseErrorCodeConvertor convertor;
69 std::string errorMsg = convertor.ConvertErrorCode(ret);
70 napi_throw_error(env, std::to_string(ret).c_str(), errorMsg.c_str());
71 }
72 }
73 if (registered_) {
74 manager_->AddListener(env, event, params[ARG_INDEX_1], false, asyncCallback);
75 }
76 return NapiUtils::GetUndefined(env);
77 }
78
Off(napi_env env,napi_callback_info info,const std::initializer_list<std::string> & events,bool asyncCallback)79 napi_value InterfaceStateObserverWrapper::Off(napi_env env, napi_callback_info info,
80 const std::initializer_list<std::string> &events, bool asyncCallback)
81 {
82 if (manager_ == nullptr || observer_ == nullptr) {
83 return NapiUtils::GetUndefined(env);
84 }
85
86 napi_value thisVal = nullptr;
87 size_t paramsCount = MAX_PARAM_NUM;
88 napi_value params[MAX_PARAM_NUM] = {nullptr};
89 NAPI_CALL(env, napi_get_cb_info(env, info, ¶msCount, params, &thisVal, nullptr));
90
91 if (!(paramsCount == PARAM_JUST_OPTIONS || paramsCount == PARAM_OPTIONS_AND_CALLBACK) ||
92 NapiUtils::GetValueType(env, params[ARG_INDEX_0]) != napi_string) {
93 NETMANAGER_EXT_LOGE("on off once interface para: [string, function?]");
94 napi_throw_error(env, std::to_string(NETMANAGER_ERR_PARAMETER_ERROR).c_str(), "Parameter error");
95 return NapiUtils::GetUndefined(env);
96 }
97
98 if (paramsCount == PARAM_OPTIONS_AND_CALLBACK &&
99 NapiUtils::GetValueType(env, params[ARG_INDEX_1]) != napi_function) {
100 NETMANAGER_EXT_LOGE("on off once interface para: [string, function]");
101 return NapiUtils::GetUndefined(env);
102 }
103
104 std::string event = NapiUtils::GetStringFromValueUtf8(env, params[ARG_INDEX_0]);
105 if (std::find(events.begin(), events.end(), event) == events.end()) {
106 return NapiUtils::GetUndefined(env);
107 }
108
109 if (paramsCount == PARAM_OPTIONS_AND_CALLBACK) {
110 manager_->DeleteListener(event, params[ARG_INDEX_1]);
111 } else {
112 manager_->DeleteListener(event);
113 }
114
115 if (manager_->IsListenerListEmpty()) {
116 auto ret = DelayedSingleton<EthernetClient>::GetInstance()->UnregisterIfacesStateChanged(observer_);
117 if (ret != NETMANAGER_SUCCESS) {
118 NETMANAGER_EXT_LOGE("unregister ret = %{public}d", ret);
119 NetBaseErrorCodeConvertor convertor;
120 std::string errorMsg = convertor.ConvertErrorCode(ret);
121 napi_throw_error(env, std::to_string(ret).c_str(), errorMsg.c_str());
122 }
123 registered_ = false;
124 }
125 return NapiUtils::GetUndefined(env);
126 }
127 } // namespace NetManagerStandard
128 } // namespace OHOS
129