1/*
2 * Copyright (C) 2021-2022 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
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
29namespace OHOS {
30namespace DHCP {
31class DhcpFunction {
32public:
33    DhcpFunction() {}
34    ~DhcpFunction() {}
35
36    static bool Ip4StrConToInt(const std::string& strIp, uint32_t& uIp, bool bHost = true);
37    static std::string Ip4IntConvertToStr(uint32_t uIp, bool bHost = true);
38    static bool Ip6StrConToChar(const std::string& strIp, uint8_t chIp[], size_t uSize);
39    static std::string Ip6CharConToStr(uint8_t chIp[], int size);
40    static bool CheckIpStr(const std::string& strIp);
41    static int GetLocalIp(const std::string strInf, std::string& strIp, std::string& strMask);
42    static int GetLocalMac(const std::string ethInf, std::string& ethMac);
43    static int CheckRangeNetwork(const std::string strInf, const std::string strBegin, const std::string strEnd);
44    static bool CheckSameNetwork(const uint32_t srcIp, const uint32_t dstIp, const uint32_t maskIp);
45
46    static bool IsExistFile(const std::string& filename);
47    static bool CreateFile(const std::string& filename, const std::string& filedata);
48    static bool RemoveFile(const std::string& filename);
49    static bool AddFileLineData(const std::string& filename, const std::string& prevdata, const std::string& linedata);
50    static bool DelFileLineData(const std::string& filename, const std::string& linedata);
51    static bool ModifyFileLineData(const std::string& filename, const std::string& srcdata, const std::string& dstdata);
52    static int FormatString(struct DhcpPacketResult &result);
53    static int InitPidfile(const std::string& piddir, const std::string& pidfile);
54    static pid_t GetPID(const std::string& pidfile);
55    static int CheckProRunning(const pid_t proPid, const std::string& proName);
56    static int CreateDirs(const std::string dirs, int mode = DIR_DEFAULT_MODE);
57    static bool SplitString(
58        const std::string src, const std::string delim, const int count, std::vector<std::string> &splits);
59    static int WaitProcessExit(const pid_t& serverPid);
60#ifdef OHOS_ARCH_LITE
61    static int GetDhcpPacketResult(const std::string& filename, struct DhcpPacketResult &result);
62#else
63#endif
64};
65}  // namespace DHCP
66}  // namespace OHOS
67#endif