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 #ifndef ASYNC_CALL_H 16 #define ASYNC_CALL_H 17 18 #include <functional> 19 #include <memory> 20 #include <string> 21 #include "constant.h" 22 #include "napi_utils.h" 23 #include "js_common.h" 24 #include "napi/native_api.h" 25 26 namespace OHOS::Request { 27 class AsyncCall final { 28 public: 29 class Context { 30 public: 31 using InputAction = std::function<napi_status(size_t, napi_value *, napi_value)>; 32 using OutputAction = std::function<napi_status(napi_value *)>; 33 using ExecAction = std::function<void()>; 34 Context() = default; ~Context()35 virtual ~Context() 36 { 37 napi_delete_async_work(env_, work_); 38 napi_delete_reference(env_, self_); 39 if (callbackRef_ != nullptr) { 40 napi_delete_reference(env_, callbackRef_); 41 } 42 }; SetInput(InputAction action)43 inline Context &SetInput(InputAction action) 44 { 45 input_ = std::move(action); 46 return *this; 47 } SetOutput(OutputAction action)48 inline Context &SetOutput(OutputAction action) 49 { 50 output_ = std::move(action); 51 return *this; 52 } SetExec(ExecAction action)53 inline Context &SetExec(ExecAction action) 54 { 55 exec_ = std::move(action); 56 return *this; 57 } Creator()58 inline napi_value Creator() 59 { 60 ExceptionError error; 61 NapiUtils::ConvertError(innerCode_, error); 62 return NapiUtils::CreateBusinessError(env_, error.code, error.errInfo, withErrCode_); 63 } 64 65 InputAction input_ = nullptr; 66 OutputAction output_ = nullptr; 67 ExecAction exec_ = nullptr; 68 69 napi_env env_; 70 napi_ref callbackRef_ = nullptr; 71 napi_ref self_ = nullptr; 72 napi_deferred defer_ = nullptr; 73 napi_async_work work_ = nullptr; 74 75 int32_t innerCode_; 76 bool withErrCode_; 77 Version version_; 78 }; 79 80 AsyncCall(napi_env env, napi_callback_info info, const std::shared_ptr<Context> &context); 81 ~AsyncCall(); 82 napi_value Call(const std::shared_ptr<Context> &context, const std::string &resourceName = "AsyncCall"); 83 SetQosLevel(napi_qos_t napiQosLevel)84 inline void SetQosLevel(napi_qos_t napiQosLevel) 85 { 86 napiQosLevel_ = napiQosLevel; 87 } 88 89 private: 90 enum { 91 ARG_ERROR, 92 ARG_DATA, 93 ARG_BUTT 94 }; 95 96 struct WorkData { 97 std::shared_ptr<Context> ctx = nullptr; ~WorkDataWorkData98 ~WorkData() 99 { 100 ctx = nullptr; 101 } 102 }; 103 static void OnExecute(napi_env env, void *data); 104 static void OnComplete(napi_env env, napi_status status, void *data); 105 napi_qos_t napiQosLevel_ = napi_qos_default; 106 }; 107 } // namespace OHOS::Request 108 #endif // ASYNC_CALL_H 109