winpcap中给的TestPacketSend例程如何使用？

TestPacketSend这个部分代码是我从WpdPack_4_1_2.zip（下载地址http://www.winpcap.org/devel.htm）中Examples-remote文件夹找到。我执行时，每次都给出“Generating 1 packets...Error sending the packets!”错误，很是纳闷。
有人用过packet.dll写过代码吗??这部分代码如下：
#include <stdio.h>
#include <conio.h>
#include <time.h>#include "..\..\..\Include\packet32.h"
#define Max_Num_Adapter 10// Prototypesvoid PrintPackets(LPPACKET lpPacket);char        AdapterList[Max_Num_Adapter][8192];int main(int argc, char **argv)
{
char packetbuff[5000]; // define a pointer to a ADAPTER structure LPADAPTER  lpAdapter = 0; // define a pointer to a PACKET structure LPPACKET   lpPacket; int        i,npacks,Snaplen;
DWORD      dwErrorCode; //ascii strings
char AdapterName[8192]; // string that contains a list of the network adapters
char *temp,*temp1; int AdapterNum=0,Open;
ULONG AdapterLength; float cpu_time; printf("Traffic Generator v 0.9999\nCopyright 1999 Loris Degioanni ([email protected])");
printf("\nSends a set of packets to the network using packet.dll API.\n"); if (argc == 1){
printf("\n\n Usage: TestpacketSend [-i adapter] -n npacks -s size");
printf("\n size is between 60 and 1514\n\n");
return -1;
}
AdapterName[0]=0; //get the command line parameters
for(i=1;i<argc;i+=2){ switch (argv[i] [1])
{ case 'i':
sscanf_s(argv[i+1],"%s",AdapterName);
break; case 'n':
sscanf_s(argv[i+1],"%d",&npacks);
break; case 's':
sscanf_s(argv[i+1],"%d",&Snaplen);
break; } } if(AdapterName[0]==0){ //
// Obtain the name of the adapters installed on this machine
//
printf("Adapters installed:\n");
i=0; AdapterLength = sizeof(AdapterName); if(PacketGetAdapterNames(AdapterName,&AdapterLength)==FALSE){
printf("Unable to retrieve the list of the adapters!\n");
return -1;
}
temp=AdapterName;
temp1=AdapterName; while ((*temp!='\0')||(*(temp-1)!='\0'))
{
if (*temp=='\0') 
{
memcpy(AdapterList[i],temp1,temp-temp1);
temp1=temp+1;
i++;
}
temp++;
} AdapterNum=i;
for (i=0;i<AdapterNum;i++)
printf("\n%d- %s\n",i+1,AdapterList[i]);
printf("\n"); do 
{
printf("Select the number of the adapter to open : ");scanf_s("%d",&Open);
if (Open>AdapterNum) printf("\nThe number must be smaller than %d",AdapterNum); 
} while (Open>AdapterNum);
lpAdapter =   PacketOpenAdapter(AdapterList[Open-1]); if (!lpAdapter || (lpAdapter->hFile == INVALID_HANDLE_VALUE))
{
dwErrorCode=GetLastError();
printf("Unable to open the driver, Error Code : %lx\n",dwErrorCode);  return(-1);
} }
else{ lpAdapter =  PacketOpenAdapter(AdapterName); if (!lpAdapter || (lpAdapter->hFile == INVALID_HANDLE_VALUE))
{
dwErrorCode=GetLastError();
printf("Unable to open the driver, Error Code : %lx\n",dwErrorCode);  return(-1);
} } if((lpPacket = PacketAllocatePacket())==NULL){
printf("\nError:failed to allocate the LPPACKET structure.");
return (-1);
} packetbuff[0]=1;
packetbuff[1]=1;
packetbuff[2]=1;
packetbuff[3]=1;
packetbuff[4]=1;
packetbuff[5]=1; packetbuff[6]=2;
packetbuff[7]=2;
packetbuff[8]=2;
packetbuff[9]=2;
packetbuff[10]=2;
packetbuff[11]=2; for(i=12;i<1514;i++){
packetbuff[i]= (char)i;
} PacketInitPacket(lpPacket,packetbuff,Snaplen);
// capture the packet
if(PacketSetNumWrites(lpAdapter,npacks)==FALSE){
printf("warning: Unable to send more than one packet in a single write!\n");
} printf("\n\nGenerating %d packets...",npacks); cpu_time = (float)clock (); if(PacketSendPacket(lpAdapter,lpPacket,TRUE)==FALSE){
printf("Error sending the packets!\n");
return -1;
} cpu_time = (clock() - cpu_time)/CLK_TCK; printf ("\n\nElapsed time: %5.3f\n", cpu_time);
printf ("\nTotal packets generated = %d", npacks);
printf ("\nTotal bytes generated = %d", (Snaplen+24)*npacks);
printf ("\nTotal bits generated = %d", (Snaplen+24)*npacks*8);
printf ("\nAverage packets per second = %d", (int)((double)npacks/cpu_time));
printf ("\nAverage bytes per second = %d", (int)((double)((Snaplen+24)*npacks)/cpu_time));
printf ("\nAverage bits per second = %d", (int)((double)((Snaplen+24)*npacks*8)/cpu_time));
printf ("\n"); PacketFreePacket(lpPacket); // close the adapter and exit PacketCloseAdapter(lpAdapter);
return (0);
}