1 /* 2 * Copyright (c) 2022-2024 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_DAUDIO_UTIL_H 17 #define OHOS_DAUDIO_UTIL_H 18 19 #include <chrono> 20 #include <fstream> 21 #include <map> 22 #include <string> 23 #include "cJSON.h" 24 25 #define AUDIO_MS_PER_SECOND 1000 26 #define AUDIO_US_PER_SECOND 1000000 27 #define AUDIO_NS_PER_SECOND ((int64_t)1000000000) 28 namespace OHOS { 29 namespace DistributedHardware { 30 const std::string DUMP_SERVER_PARA = "sys.daudio.dump.write.enable"; 31 const std::string DUMP_SERVICE_DIR = "/data/local/tmp/"; 32 33 int32_t GetLocalDeviceNetworkId(std::string &networkId); 34 std::string GetRandomID(); 35 std::string GetAnonyString(const std::string &value); 36 int32_t GetDevTypeByDHId(int32_t dhId); 37 int64_t GetNowTimeUs(); 38 int32_t GetAudioParamStr(const std::string ¶ms, const std::string &key, std::string &value); 39 int32_t GetAudioParamBool(const std::string ¶ms, const std::string &key, bool &value); 40 int32_t GetAudioParamInt(const std::string ¶ms, const std::string &key, int32_t &value); 41 bool CJsonParamCheck(const cJSON *jsonObj, const std::initializer_list<std::string> &keys); 42 bool IsString(const cJSON *jsonObj, const std::string &key); 43 bool IsInt32(const cJSON *jsonObj, const std::string &key); 44 bool IsAudioParam(const cJSON *jsonObj, const std::string &key); 45 int32_t CalculateSampleNum(uint32_t sampleRate, uint32_t timems); 46 int64_t GetCurNano(); 47 int32_t AbsoluteSleep(int64_t nanoTime); 48 int64_t CalculateOffset(const int64_t frameIndex, const int64_t framePeriodNs, const int64_t startTime); 49 int64_t UpdateTimeOffset(const int64_t frameIndex, const int64_t framePeriodNs, int64_t &startTime); 50 void GetCurrentTime(int64_t &tvSec, int64_t &tvNSec); 51 bool CheckIsNum(const std::string &jsonString); 52 bool CheckDevIdIsLegal(const std::string &devId); 53 bool IsOutDurationRange(int64_t startTime, int64_t endTime, int64_t lastStartTime); 54 void SaveFile(std::string fileName, uint8_t *audioData, int32_t size); 55 std::string GetCJsonString(const char *key, const char *value); 56 std::string ParseStringFromArgs(std::string args, const char *key); 57 std::string GetEventNameByType(const int32_t eventType); 58 59 template <typename T> 60 bool GetSysPara(const char *key, T &value); 61 bool IsParamEnabled(const std::string &key, bool &isEnabled); 62 63 class DumpFileUtil { 64 public: 65 static void OpenDumpFile(const std::string ¶, const std::string &fileName, FILE **file); 66 static void CloseDumpFile(FILE **dumpFile); 67 static void WriteDumpFile(FILE *dumpFile, void *buffer, size_t bufferSize); 68 69 static std::map<std::string, std::string> g_lastPara; 70 71 private: 72 static FILE *OpenDumpFileInner(const std::string ¶, const std::string &fileName); 73 static void ChangeDumpFileState(const std::string ¶, FILE **dumpFile, const std::string &fileName); 74 }; 75 } // namespace DistributedHardware 76 } // namespace OHOS 77 #endif // OHOS_DAUDIO_UTIL_H 78