IP地址是否能ping通 (非调用系统cmd指令方式)

//PingIp进行pingIP尝试 #include "winsock2.h" #include <IPHlpApi.h> #pragma comment(lib,"ws2_32.lib") #pragma comment(lib, "iphlpapi.lib") class CPing { public: CPing(void) { hIcmp = LoadLibrary(L"icmp.dll"); if (NULL != hIcmp) { pIcmpCreateFile = (PIcmpCreateFile)GetProcAddress(hIcmp, "IcmpCreateFile"); pIcmpSendEcho = (PIcmpSendEcho)GetProcAddress(hIcmp, "IcmpSendEcho"); pIcmpCloseHandle = (PIcmpCloseHandle)GetProcAddress(hIcmp, "IcmpCloseHandle"); } } ~CPing(void) { FreeLibrary(hIcmp); } bool Ping(const char* ipAdress_) { if (strstr(ipAdress_, ":")) { UF_print_syslog("有盘符\":\",当本地文件处理", FALSE); return 1; }//有盘符的,当本地文件处理,打印日志 const char* ipAdress__ = strstr(ipAdress_, "\\\\"); char ipAdress[256]; if (!ipAdress__) sprintf_s(ipAdress, 250, "%s", ipAdress__); else sprintf_s(ipAdress, 250, "%s", ipAdress__ + 2); char* ipAdress1 = strstr(ipAdress, "\\"); if (ipAdress1) ipAdress1[0] = '\0'; UF_print_syslog(ipAdress, FALSE);//打印日志 if (strlen(ipAdress) < 5){ UF_print_syslog("IP地址非法", FALSE); return 0; }//打印日志 ULONG ulDesIP = inet_addr(ipAdress);//将一个点分十进制的IP转换成一个长整数型数 if (ulDesIP == INADDR_NONE) return 0; // 申请发送缓冲区 void *sendBuffer = new char[32]; // 申请接收缓冲区 unsigned long replySize = sizeof(ICMP_ECHO_REPLY)+32; void *replyBuffer = new char[replySize]; PICMP_ECHO_REPLY pIcmpEchoReply = (PICMP_ECHO_REPLY)replyBuffer; // 获取ICMP echo所需句柄 HANDLE hIcmpFile = pIcmpCreateFile(); if (hIcmpFile == INVALID_HANDLE_VALUE) { delete[] sendBuffer; sendBuffer = NULL; delete[] replyBuffer; replyBuffer = NULL; return -1; } ULONG v_ulTimeout=1000;//超时时间，单位毫秒 USHORT v_usTimes=2;//能一次ping通就算成功,如果一次不行,二次,还没通,当不通处理 // 调用IcmpSendEcho，获取Ping值 for (int i = 0; i < v_usTimes; i++) { pIcmpSendEcho(hIcmpFile, ulDesIP, sendBuffer, 32, NULL, replyBuffer, replySize, v_ulTimeout); if (pIcmpEchoReply->Status == 0) // 未超时 { v_usTimes=0;break; } } //释放缓冲区，关闭句柄 delete[] replyBuffer; delete[] sendBuffer; pIcmpCloseHandle(hIcmpFile); if (v_usTimes==0)return 1; return 0; } private: HINSTANCE hIcmp; typedef HANDLE(WINAPI *PIcmpCreateFile)(VOID); typedef DWORD(WINAPI *PIcmpSendEcho)(HANDLE, IPAddr, LPVOID, WORD, PIP_OPTION_INFORMATION, LPVOID, DWORD, DWORD); typedef BOOL(WINAPI *PIcmpCloseHandle)(HANDLE); PIcmpCreateFile pIcmpCreateFile; PIcmpSendEcho pIcmpSendEcho; PIcmpCloseHandle pIcmpCloseHandle; }; //是否能PIng通 输入的地址 bool PingIp(const char* ipAdress_) { CPing pp; if (pp.Ping(ipAdress_)) return 1; return 0; }