1 /* 2 * Copyright (c) 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 #ifndef OHOS_DMS_VERSION_MANAGER_H 16 #define OHOS_DMS_VERSION_MANAGER_H 17 18 #include <string> 19 #include "ipc_skeleton.h" 20 21 namespace OHOS { 22 namespace DistributedSchedule { 23 #define IN_PROCESS_CALL(theCall) \ 24 ([&]() { \ 25 std::string identity = IPCSkeleton::ResetCallingIdentity(); \ 26 auto retVal = theCall; \ 27 IPCSkeleton::SetCallingIdentity(identity); \ 28 return retVal; \ 29 }()) 30 31 struct DmsVersion { 32 uint32_t majorVersionNum = 0; 33 uint32_t minorVersionNum = 0; 34 uint32_t featureVersionNum = 0; 35 }; 36 37 class DmsVersionManager { 38 public: 39 static bool IsRemoteDmsVersionLower(const std::string& remoteDeviceId, const DmsVersion& thresholdDmsVersion); 40 private: 41 static int32_t GetRemoteDmsVersion(const std::string& deviceId, DmsVersion& dmsVersion); 42 static int32_t GetAppInfoFromDP(const std::string& deviceId, std::string& appInfoJsonData); 43 static int32_t ParseAppInfo(const std::string& appInfoJsonData, std::string& packageNamesData, 44 std::string& versionsData); 45 static int32_t GetDmsVersionDataFromAppInfo(const std::string& packageNamesData, const std::string& versionsData, 46 std::string& dmsVersionData); 47 static bool ParseDmsVersion(const std::string& dmsVersionData, DmsVersion& dmsVersion); 48 static bool CompareDmsVersion(const DmsVersion& dmsVersion, const DmsVersion& thresholdDmsVersion); 49 }; 50 } // namespace DistributedSchedule 51 } // namespace OHOS 52 #endif // OHOS_DMS_VERSION_MANAGER_H