D:/source/c++/Programme/sally/sally/sallyAPI/Ping.h

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#pragma  once

#pragma comment( lib, "Ws2_32.lib" )

#include "Define.h"
#include <stdio.h>
#include <string>

namespace SallyAPI
{
        namespace Network
        {

                typedef struct tagIPINFO 
                { 
                        u_char Ttl;                // Time To Live 
                        u_char Tos;                // Type Of Service 
                        u_char IPFlags;            // IP flags 
                        u_char OptSize;            // Size of options data 
                        u_char FAR *Options;    // Options data buffer 
                        
                }IPINFO; 

                typedef IPINFO* PIPINFO; 


                typedef struct tagICMPECHO 
                { 
                        u_long Source;            // Quelladresse
                        u_long Status;            // IP status 
                        u_long RTTime;             
                        u_short DataSize;        // Größe der Antwort 
                        u_short Reserved;        
                        void FAR *pData;        // Buffer für die Antwort 
                        IPINFO    ipInfo;             
                }ICMPECHO; 

                typedef ICMPECHO* PICMPECHO; 


                class DLL_API_SALLY CPing 
                { 
                public: 
                        CPing(); 
                        ~CPing(); 
                        BOOL Ping(char* strHost); 
                        int     GetPingSuccess();
                private: 
                    
                        HANDLE (WINAPI *pIcmpCreateFile)(); 
                        BOOL (WINAPI *pIcmpCloseHandle)(HANDLE); 
                        DWORD (WINAPI *pIcmpSendEcho) 
                                (HANDLE,DWORD,LPVOID,WORD,PIPINFO,LPVOID,DWORD,DWORD); 
                        HANDLE hndlIcmp;            // LoadLibrary() handle 
                        BOOL bValid;
                        int PingSuccess;
                }; 
        }
}