1 /* 2 * Copyright (C) 2021 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_FUNCTION_H 17 #define OHOS_FUNCTION_H 18 19 #include <iostream> 20 #include <fstream> 21 #include <cstring> 22 #include <iomanip> 23 #include <arpa/inet.h> 24 #include <string> 25 #include <cstdio> 26 27 #include "dhcp_define.h" 28 29 #include "common_event_subscriber.h" 30 #include "common_event.h" 31 #include "common_event_data.h" 32 #include "common_event_manager.h" 33 34 35 namespace OHOS { 36 namespace Wifi { 37 class DhcpFunc { 38 public: DhcpFunc()39 DhcpFunc() {} ~DhcpFunc()40 ~DhcpFunc() {} 41 42 static bool Ip4StrConToInt(const std::string& strIp, uint32_t& uIp, bool bHost = true); 43 static std::string Ip4IntConToStr(uint32_t uIp, bool bHost = true); 44 static bool Ip6StrConToChar(const std::string& strIp, uint8_t chIp[], size_t uSize); 45 static std::string Ip6CharConToStr(uint8_t chIp[], int size); 46 static bool CheckIpStr(const std::string& strIp); 47 static int GetLocalIp(const std::string strInf, std::string& strIp, std::string& strMask); 48 static int GetLocalMac(const std::string ethInf, std::string& ethMac); 49 static int CheckRangeNetwork(const std::string strInf, const std::string strBegin, const std::string strEnd); 50 static bool CheckSameNetwork(const uint32_t srcIp, const uint32_t dstIp, const uint32_t maskIp); 51 52 static bool IsExistFile(const std::string& filename); 53 static bool CreateFile(const std::string& filename, const std::string& filedata); 54 static bool RemoveFile(const std::string& filename); 55 static bool AddFileLineData(const std::string& filename, const std::string& prevdata, const std::string& linedata); 56 static bool DelFileLineData(const std::string& filename, const std::string& linedata); 57 static bool ModifyFileLineData(const std::string& filename, const std::string& srcdata, const std::string& dstdata); 58 static int FormatString(struct DhcpPacketResult &result); 59 static int InitPidfile(const std::string& piddir, const std::string& pidfile); 60 static pid_t GetPID(const std::string& pidfile); 61 static int CheckProRunning(const pid_t proPid, const std::string& proName); 62 static int CreateDirs(const std::string dirs, int mode = DIR_DEFAULT_MODE); 63 static bool SplitString( 64 const std::string src, const std::string delim, const int count, std::vector<std::string> &splits); 65 66 static bool SubscribeDhcpCommonEvent( 67 const std::shared_ptr<OHOS::EventFwk::CommonEventSubscriber> &subscriber); 68 static bool UnsubscribeDhcpCommonEvent( 69 const std::shared_ptr<OHOS::EventFwk::CommonEventSubscriber> &subscriber); 70 71 static bool PublishDhcpEvent(const std::string action, const int code, const std::string data); 72 }; 73 } // namespace Wifi 74 } // namespace OHOS 75 #endif