1 /* 2 * Copyright (c) 2025 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 OHOS_MEDIA_IPC_USER_DEFINE_IPC_H 17 #define OHOS_MEDIA_IPC_USER_DEFINE_IPC_H 18 19 #include <string> 20 21 #include "message_parcel.h" 22 #include "media_log.h" 23 #include "medialibrary_errno.h" 24 #include "media_req_vo.h" 25 #include "media_resp_vo.h" 26 #include "media_empty_obj_vo.h" 27 28 namespace OHOS::Media::IPC { 29 class UserDefineIPC { 30 public: 31 template <class REQ> ReadRequestBody(MessageParcel & data,REQ & reqBody)32 int32_t ReadRequestBody(MessageParcel &data, REQ &reqBody) 33 { 34 bool isValid = reqBody.Unmarshalling(data); 35 CHECK_AND_RETURN_RET_LOG(isValid, E_IPC_SEVICE_UNMARSHALLING_FAIL, "Failed to unmarshalling data"); 36 return E_OK; 37 } 38 39 template <class RSP> 40 int32_t WriteResponseBody(MessageParcel &reply, const RSP &respBody, const int32_t errCode = E_OK) 41 { 42 IPC::MediaRespVo<RSP> respVo; 43 respVo.SetBody(respBody); 44 respVo.SetErrCode(errCode); 45 bool isValid = respVo.Marshalling(reply); 46 CHECK_AND_PRINT_LOG(isValid, "Failed to marshalling data"); 47 return errCode; 48 } 49 50 int32_t WriteResponseBody(MessageParcel &reply, const int32_t errCode = E_OK) 51 { 52 return WriteResponseBody(reply, IPC::MediaEmptyObjVo(), errCode); 53 } 54 }; 55 } // namespace OHOS::Media::IPC 56 #endif // OHOS_MEDIA_IPC_USER_DEFINE_IPC_H