恳求各位大哥大姐兄弟姐妹们,我这个程序就像ping一个确定的IP地址,但不知从何下手还请各位多帮忙啊!由于帖子过长,只能删掉后面的函数部分。
上程序:#pragma pack(4)
#include "winsock2.h"
#include "stdlib.h"
#include "time.h"
#include "stdio.h"
#include "process.h"
#define ICMP_ECHO 8
#define ICMP_ECHOREPLY 0
#define ICMP_MIN 8 // minimum 8 byte icmp packet (just header)
FILE *stream;
/* The IP header */
typedef struct iphdr {
unsigned int h_len:4; // length of the header
unsigned int version:4; // Version of IP
unsigned char tos; // Type of service
unsigned short total_len; // total length of the packet
unsigned short ident; // unique identifier
unsigned short frag_and_flags; // flags
unsigned char ttl;
unsigned char proto; // protocol (TCP, UDP etc)
unsigned short checksum; // IP checksum
unsigned int sourceIP;
unsigned int destIP;
}IpHeader;
//
// ICMP header
//
typedef struct icmphdr {
BYTE i_type;
BYTE i_code; /* type sub code */
USHORT i_cksum;
USHORT i_id;
USHORT i_seq;
/* This is not the std header, but we reserve space for time */
ULONG timestamp;
}IcmpHeader;
#define STATUS_FAILED 0xFFFF
#define DEF_PACKET_SIZE 32 #define MAX_PACKET 65532
#define xmalloc(s) HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,(s))
#define xfree(p) HeapFree (GetProcessHeap(),0,(p))
void fill_icmp_data(char *, int);
USHORT checksum(USHORT *, int);
int decode_resp(char *,int ,struct sockaddr_in *);
void Usage(char *progname){
fprintf(stderr,"Usage:\n");
fprintf(stderr,"%s [number of packets] [data_size]\n",progname);
fprintf(stderr,"datasize can be up to 1Kb\n");
ExitProcess(STATUS_FAILED);
}
int main(int argc, char **argv){
WSADATA wsaData;
SOCKET sockRaw;
struct sockaddr_in dest,from;
struct hostent * hp;
int bread,datasize,times,j;
int sendnum;
int fromlen = sizeof(from);
int timeout = 1000;
int statistic = 0; /* 用于统计结果 */
char *dest_ip;
char *icmp_data;
char *recvbuf;
unsigned int addr=0;
USHORT seq_no = 0;
int Timeinterval;
//建立原始套接口
if (WSAStartup(MAKEWORD(2,1),&wsaData) != 0){
fprintf(stderr,"WSAStartup failed: %d\n",GetLastError());
ExitProcess(STATUS_FAILED);
}
sockRaw = WSASocket(AF_INET,SOCK_RAW,IPPROTO_ICMP,NULL, 0,WSA_FLAG_OVERLAPPED);
//
//注:为了使用发送接收超时设置(即设置SO_RCVTIMEO, SO_SNDTIMEO),
// 必须将标志位设为WSA_FLAG_OVERLAPPED !
//
if (sockRaw == INVALID_SOCKET) {
fprintf(stderr,"WSASocket() failed: %d\n",WSAGetLastError());
ExitProcess(STATUS_FAILED);
} //设置延时
bread = setsockopt(sockRaw,SOL_SOCKET,SO_RCVTIMEO,(char*)&timeout,
sizeof(timeout));
if(bread == SOCKET_ERROR) {
fprintf(stderr,"failed to set recv timeout: %d\n",WSAGetLastError());
ExitProcess(STATUS_FAILED);
}
timeout = 1000;
bread = setsockopt(sockRaw,SOL_SOCKET,SO_SNDTIMEO,(char*)&timeout,
sizeof(timeout));
if(bread == SOCKET_ERROR) {
fprintf(stderr,"failed to set send timeout: %d\n",WSAGetLastError());
ExitProcess(STATUS_FAILED);
} //设置IP地址 但不知道怎么改
memset(&dest,0,sizeof(dest));
hp = gethostbyname(argv[1]);
if (!hp){
addr = inet_addr(argv[1]);
}
if ((!hp) && (addr == INADDR_NONE) ) {
fprintf(stderr,"Unable to resolve %s\n",argv[1]);
ExitProcess(STATUS_FAILED);
}
if (hp != NULL)
memcpy(&(dest.sin_addr),hp->h_addr,hp->h_length);
else
dest.sin_addr.s_addr = addr;
if (hp)
dest.sin_family = hp->h_addrtype;
else
dest.sin_family = AF_INET;
dest_ip = inet_ntoa(dest.sin_addr); //
// atoi函数原型是: int atoi( const char *string );
// The return value is 0 if the input cannot be converted to an integer !
//
//生成报文
fprintf(stdout,"\nPinging %s ....\n\n",dest_ip);
printf("发送数报文长度:",j);
scanf("%d",&j);
if(argc>2)
{
times=atoi(argv[2]);
if(times == 0)
times=sendnum;
}
else
times=sendnum;
if (argc >3)
{
datasize = atoi(argv[3]);
if (datasize == 0)
datasize = j;
if (datasize >65500) /* 用户给出的数据包大小太大 */
{
fprintf(stderr,"WARNING : data_size is too large !\n");
datasize = j;
}
}
else
datasize =j;
datasize += sizeof(IcmpHeader);
icmp_data = (char*)xmalloc(MAX_PACKET);
recvbuf = (char*)xmalloc(MAX_PACKET);
if (!icmp_data) {
fprintf(stderr,"HeapAlloc failed %d\n",GetLastError());
ExitProcess(STATUS_FAILED);
} memset(icmp_data,0,MAX_PACKET);
fill_icmp_data(icmp_data,datasize);
//
//显示提示信息
//
printf("发送数据包的个数:",sendnum);
scanf("%d",&sendnum);
printf("发送时间间隔:",Timeinterval);
scanf("%d",&Timeinterval);
stream=fopen("fprintf.out","w");
for(int i=0;i<sendnum;i++){
int bwrote; ((IcmpHeader*)icmp_data)->i_cksum = 0;
((IcmpHeader*)icmp_data)->timestamp = GetTickCount();
((IcmpHeader*)icmp_data)->i_seq = seq_no++;
((IcmpHeader*)icmp_data)->i_cksum = checksum((USHORT*)icmp_data,datasize);
//发送报文
bwrote = sendto(sockRaw,icmp_data,datasize,0,(struct sockaddr*)&dest,sizeof(dest));
if (bwrote == SOCKET_ERROR){
if (WSAGetLastError() == WSAETIMEDOUT) {
printf("Request timed out.\n");
continue;
}
fprintf(stderr,"sendto failed: %d\n",WSAGetLastError());
ExitProcess(STATUS_FAILED);
}
if (bwrote < datasize ) {
fprintf(stdout,"Wrote %d bytes\n",bwrote);
}
//接收报文
bread = recvfrom(sockRaw,recvbuf,MAX_PACKET,0,(struct sockaddr*)&from,&fromlen);
if (bread == SOCKET_ERROR){
if (WSAGetLastError() == WSAETIMEDOUT) {
printf("Request timed out.\n");
continue;
}
fprintf(stderr,"recvfrom failed: %d\n",WSAGetLastError());
ExitProcess(STATUS_FAILED);
}
//获取系统时间
struct tm when;
time_t now, result;
int days;
time( &now );
when = *localtime(&now);
fprintf(stream,"%s",asctime(&when)); if(!decode_resp(recvbuf,(bread-32),&from))
statistic++; /* 成功接收的数目++ */
fprintf(stream,"\n");
Sleep(Timeinterval);
} /*
Display the statistic result
*/
fprintf(stream,"\nPing statistics for %s \n",dest_ip);
fprintf(stream,"Packets: Sent = %d,Received = %d, Lost = %d (%2.0f%% loss)\n",sendnum,
statistic,(sendnum-statistic),(float)(sendnum-statistic)/sendnum*100); WSACleanup();
return 0;
fclose(stream);
}
/*
上程序:#pragma pack(4)
#include "winsock2.h"
#include "stdlib.h"
#include "time.h"
#include "stdio.h"
#include "process.h"
#define ICMP_ECHO 8
#define ICMP_ECHOREPLY 0
#define ICMP_MIN 8 // minimum 8 byte icmp packet (just header)
FILE *stream;
/* The IP header */
typedef struct iphdr {
unsigned int h_len:4; // length of the header
unsigned int version:4; // Version of IP
unsigned char tos; // Type of service
unsigned short total_len; // total length of the packet
unsigned short ident; // unique identifier
unsigned short frag_and_flags; // flags
unsigned char ttl;
unsigned char proto; // protocol (TCP, UDP etc)
unsigned short checksum; // IP checksum
unsigned int sourceIP;
unsigned int destIP;
}IpHeader;
//
// ICMP header
//
typedef struct icmphdr {
BYTE i_type;
BYTE i_code; /* type sub code */
USHORT i_cksum;
USHORT i_id;
USHORT i_seq;
/* This is not the std header, but we reserve space for time */
ULONG timestamp;
}IcmpHeader;
#define STATUS_FAILED 0xFFFF
#define DEF_PACKET_SIZE 32 #define MAX_PACKET 65532
#define xmalloc(s) HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,(s))
#define xfree(p) HeapFree (GetProcessHeap(),0,(p))
void fill_icmp_data(char *, int);
USHORT checksum(USHORT *, int);
int decode_resp(char *,int ,struct sockaddr_in *);
void Usage(char *progname){
fprintf(stderr,"Usage:\n");
fprintf(stderr,"%s [number of packets] [data_size]\n",progname);
fprintf(stderr,"datasize can be up to 1Kb\n");
ExitProcess(STATUS_FAILED);
}
int main(int argc, char **argv){
WSADATA wsaData;
SOCKET sockRaw;
struct sockaddr_in dest,from;
struct hostent * hp;
int bread,datasize,times,j;
int sendnum;
int fromlen = sizeof(from);
int timeout = 1000;
int statistic = 0; /* 用于统计结果 */
char *dest_ip;
char *icmp_data;
char *recvbuf;
unsigned int addr=0;
USHORT seq_no = 0;
int Timeinterval;
//建立原始套接口
if (WSAStartup(MAKEWORD(2,1),&wsaData) != 0){
fprintf(stderr,"WSAStartup failed: %d\n",GetLastError());
ExitProcess(STATUS_FAILED);
}
sockRaw = WSASocket(AF_INET,SOCK_RAW,IPPROTO_ICMP,NULL, 0,WSA_FLAG_OVERLAPPED);
//
//注:为了使用发送接收超时设置(即设置SO_RCVTIMEO, SO_SNDTIMEO),
// 必须将标志位设为WSA_FLAG_OVERLAPPED !
//
if (sockRaw == INVALID_SOCKET) {
fprintf(stderr,"WSASocket() failed: %d\n",WSAGetLastError());
ExitProcess(STATUS_FAILED);
} //设置延时
bread = setsockopt(sockRaw,SOL_SOCKET,SO_RCVTIMEO,(char*)&timeout,
sizeof(timeout));
if(bread == SOCKET_ERROR) {
fprintf(stderr,"failed to set recv timeout: %d\n",WSAGetLastError());
ExitProcess(STATUS_FAILED);
}
timeout = 1000;
bread = setsockopt(sockRaw,SOL_SOCKET,SO_SNDTIMEO,(char*)&timeout,
sizeof(timeout));
if(bread == SOCKET_ERROR) {
fprintf(stderr,"failed to set send timeout: %d\n",WSAGetLastError());
ExitProcess(STATUS_FAILED);
} //设置IP地址 但不知道怎么改
memset(&dest,0,sizeof(dest));
hp = gethostbyname(argv[1]);
if (!hp){
addr = inet_addr(argv[1]);
}
if ((!hp) && (addr == INADDR_NONE) ) {
fprintf(stderr,"Unable to resolve %s\n",argv[1]);
ExitProcess(STATUS_FAILED);
}
if (hp != NULL)
memcpy(&(dest.sin_addr),hp->h_addr,hp->h_length);
else
dest.sin_addr.s_addr = addr;
if (hp)
dest.sin_family = hp->h_addrtype;
else
dest.sin_family = AF_INET;
dest_ip = inet_ntoa(dest.sin_addr); //
// atoi函数原型是: int atoi( const char *string );
// The return value is 0 if the input cannot be converted to an integer !
//
//生成报文
fprintf(stdout,"\nPinging %s ....\n\n",dest_ip);
printf("发送数报文长度:",j);
scanf("%d",&j);
if(argc>2)
{
times=atoi(argv[2]);
if(times == 0)
times=sendnum;
}
else
times=sendnum;
if (argc >3)
{
datasize = atoi(argv[3]);
if (datasize == 0)
datasize = j;
if (datasize >65500) /* 用户给出的数据包大小太大 */
{
fprintf(stderr,"WARNING : data_size is too large !\n");
datasize = j;
}
}
else
datasize =j;
datasize += sizeof(IcmpHeader);
icmp_data = (char*)xmalloc(MAX_PACKET);
recvbuf = (char*)xmalloc(MAX_PACKET);
if (!icmp_data) {
fprintf(stderr,"HeapAlloc failed %d\n",GetLastError());
ExitProcess(STATUS_FAILED);
} memset(icmp_data,0,MAX_PACKET);
fill_icmp_data(icmp_data,datasize);
//
//显示提示信息
//
printf("发送数据包的个数:",sendnum);
scanf("%d",&sendnum);
printf("发送时间间隔:",Timeinterval);
scanf("%d",&Timeinterval);
stream=fopen("fprintf.out","w");
for(int i=0;i<sendnum;i++){
int bwrote; ((IcmpHeader*)icmp_data)->i_cksum = 0;
((IcmpHeader*)icmp_data)->timestamp = GetTickCount();
((IcmpHeader*)icmp_data)->i_seq = seq_no++;
((IcmpHeader*)icmp_data)->i_cksum = checksum((USHORT*)icmp_data,datasize);
//发送报文
bwrote = sendto(sockRaw,icmp_data,datasize,0,(struct sockaddr*)&dest,sizeof(dest));
if (bwrote == SOCKET_ERROR){
if (WSAGetLastError() == WSAETIMEDOUT) {
printf("Request timed out.\n");
continue;
}
fprintf(stderr,"sendto failed: %d\n",WSAGetLastError());
ExitProcess(STATUS_FAILED);
}
if (bwrote < datasize ) {
fprintf(stdout,"Wrote %d bytes\n",bwrote);
}
//接收报文
bread = recvfrom(sockRaw,recvbuf,MAX_PACKET,0,(struct sockaddr*)&from,&fromlen);
if (bread == SOCKET_ERROR){
if (WSAGetLastError() == WSAETIMEDOUT) {
printf("Request timed out.\n");
continue;
}
fprintf(stderr,"recvfrom failed: %d\n",WSAGetLastError());
ExitProcess(STATUS_FAILED);
}
//获取系统时间
struct tm when;
time_t now, result;
int days;
time( &now );
when = *localtime(&now);
fprintf(stream,"%s",asctime(&when)); if(!decode_resp(recvbuf,(bread-32),&from))
statistic++; /* 成功接收的数目++ */
fprintf(stream,"\n");
Sleep(Timeinterval);
} /*
Display the statistic result
*/
fprintf(stream,"\nPing statistics for %s \n",dest_ip);
fprintf(stream,"Packets: Sent = %d,Received = %d, Lost = %d (%2.0f%% loss)\n",sendnum,
statistic,(sendnum-statistic),(float)(sendnum-statistic)/sendnum*100); WSACleanup();
return 0;
fclose(stream);
}
/*
if (!hp){
addr = inet_addr(argv[1]);
} 看看addr是什么值?
具体参数传递也看不出来,望各位帮忙啊!
dest.sin_addr.s_addr = inet_addr("192.168.2.3"); 这样就ok其实你的程序应该是是带参数的,在命令行下打
progam 192.168.2.3
这样试试