1 /*
2 * Copyright (C) 2021-2022 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 #ifndef COMMUNICATIONNETSTACK_NETSTACK_MODULE_TEMPLATE_H
17 #define COMMUNICATIONNETSTACK_NETSTACK_MODULE_TEMPLATE_H
18
19 #include <initializer_list>
20
21 #include "netstack_base_async_work.h"
22 #include "netstack_base_context.h"
23 #include "netstack_log.h"
24
25 #define MAX_PARAM_NUM 64
26
27 namespace OHOS::NetStack::ModuleTemplate {
28 typedef void (*Finalizer)(napi_env, void *data, void *);
29
30 template <class Context>
Interface(napi_env env,napi_callback_info info,const std::string & asyncWorkName,bool (* Work)(napi_env,napi_value,Context *),AsyncWorkExecutor executor,AsyncWorkCallback callback)31 napi_value Interface(napi_env env,
32 napi_callback_info info,
33 const std::string &asyncWorkName,
34 bool (*Work)(napi_env, napi_value, Context *),
35 AsyncWorkExecutor executor,
36 AsyncWorkCallback callback)
37 {
38 static_assert(std::is_base_of<BaseContext, Context>::value);
39
40 napi_value thisVal = nullptr;
41 size_t paramsCount = MAX_PARAM_NUM;
42 napi_value params[MAX_PARAM_NUM] = {nullptr};
43 NAPI_CALL(env, napi_get_cb_info(env, info, ¶msCount, params, &thisVal, nullptr));
44
45 EventManager *manager = nullptr;
46 napi_unwrap(env, thisVal, reinterpret_cast<void **>(&manager));
47
48 auto context = new Context(env, manager);
49 context->ParseParams(params, paramsCount);
50 NETSTACK_LOGI("js params parse OK ? %{public}d", context->IsParseOK());
51 if (Work != nullptr) {
52 if (!Work(env, thisVal, context)) {
53 NETSTACK_LOGE("work failed error code = %{public}d", context->GetErrorCode());
54 }
55 }
56
57 context->CreateAsyncWork(asyncWorkName, executor, callback);
58 if (NapiUtils::GetValueType(env, context->GetCallback()) != napi_function && context->IsNeedPromise()) {
59 NETSTACK_LOGI("context->CreatePromise()");
60 return context->CreatePromise();
61 }
62 return NapiUtils::GetUndefined(env);
63 }
64
65 template <class Context>
66 napi_value
InterfaceWithOutAsyncWork(napi_env env,napi_callback_info info,bool (* Work)(napi_env,napi_value,Context *))67 InterfaceWithOutAsyncWork(napi_env env, napi_callback_info info, bool (*Work)(napi_env, napi_value, Context *))
68 {
69 static_assert(std::is_base_of<BaseContext, Context>::value);
70
71 napi_value thisVal = nullptr;
72 size_t paramsCount = MAX_PARAM_NUM;
73 napi_value params[MAX_PARAM_NUM] = {nullptr};
74 NAPI_CALL(env, napi_get_cb_info(env, info, ¶msCount, params, &thisVal, nullptr));
75
76 EventManager *manager = nullptr;
77 napi_unwrap(env, thisVal, reinterpret_cast<void **>(&manager));
78
79 auto context = new Context(env, manager);
80 context->ParseParams(params, paramsCount);
81 if (Work != nullptr) {
82 if (!Work(env, thisVal, context)) {
83 NETSTACK_LOGE("work failed error code = %{public}d", context->GetErrorCode());
84 }
85 }
86
87 if (NapiUtils::GetValueType(env, context->GetCallback()) != napi_function && context->IsNeedPromise()) {
88 return context->CreatePromise();
89 }
90 return NapiUtils::GetUndefined(env);
91 }
92
93 napi_value
94 On(napi_env env, napi_callback_info info, const std::initializer_list<std::string> &events, bool asyncCallback);
95
96 napi_value
97 Once(napi_env env, napi_callback_info info, const std::initializer_list<std::string> &events, bool asyncCallback);
98
99 napi_value Off(napi_env env, napi_callback_info info, const std::initializer_list<std::string> &events);
100
101 void DefineClass(napi_env env,
102 napi_value exports,
103 const std::initializer_list<napi_property_descriptor> &properties,
104 const std::string &className);
105
106 napi_value NewInstance(napi_env env, napi_callback_info info, const std::string &className, Finalizer finalizer);
107 } // namespace OHOS::NetStack::ModuleTemplate
108 #endif /* COMMUNICATIONNETSTACK_NETSTACK_MODULE_TEMPLATE_H */
109