#include <QCoreApplication>
//int main(int argc, char *argv[])
//{
// QCoreApplication a(argc, argv);
// return a.exec();
//}
#include "pcap.h"
#include<remote-ext.h>
//#include<Pdh.h>
#pragma comment(lib , "Iphlpapi.lib")
#define TRACE(s) OutputDebugString(TEXT(s));
main()
{
pcap_if_t *alldevs;
pcap_if_t *d;
int inum;
int i=0;
pcap_t *adhandle;
int res;
char errbuf[PCAP_ERRBUF_SIZE];
struct tm *ltime;
char timestr[16];
struct pcap_pkthdr *header;
const u_char *pkt_data;
time_t local_tv_sec;
/* 获取本机设备列表 */
if (pcap_findalldevs_ex(PCAP_SRC_IF_STRING, NULL, &alldevs, errbuf) == -1)
{
fprintf(stderr,"Error in pcap_findalldevs: %s\n", errbuf);
exit(1);
}
/* 打印列表 */
for(d=alldevs; d; d=d->next)
{
printf("%d. %s", ++i, d->name);
if (d->description)
printf(" (%s)\n", d->description);
else
printf(" (No description available)\n");
}
if(i==0)
{
printf("\nNo interfaces found! Make sure WinPcap is installed.\n");
return -1;
}
printf("Enter the interface number (1-%d):",i);
scanf("%d", &inum);
if(inum < 1 || inum > i)
{
printf("\nInterface number out of range.\n");
/* 释放设备列表 */
pcap_freealldevs(alldevs);
return -1;
}
/* 跳转到已选中的适配器 */
for(d=alldevs, i=0; i< inum-1 ;d=d->next, i++);
/* 打开设备 */
if ( (adhandle= pcap_open(d->name, // 设备名
65536, // 要捕捉的数据包的部分
// 65535保证能捕获到不同数据链路层上的每个数据包的全部内容
PCAP_OPENFLAG_PROMISCUOUS, // 混杂模式
1000, // 读取超时时间
NULL, // 远程机器验证
errbuf // 错误缓冲池
) ) == NULL)
{
fprintf(stderr,"\nUnable to open the adapter. %s is not supported by WinPcap\n", d->name);
/* 释放设列表 */
pcap_freealldevs(alldevs);
return -1;
}
printf("\nlistening on %s...\n", d->description);
/* 释放设备列表 */
pcap_freealldevs(alldevs);
/* 获取数据包 */
while((res = pcap_next_ex( adhandle, &header, &pkt_data)) >= 0){
if(res == 0){
/* 超时时间到 */
TRACE("Read Packet TimeOut!!");
continue;
}
static double m_Packet_Count = 0;
static DWORD m_PacketsLen = 0; //包的长度
static DWORD m_TickCount = 0;
static double m_Speed = 0.0;
m_PacketsLen+=header->len;//接受包的总长度
m_Packet_Count ++;
if(GetTickCount() - m_TickCount > 1000)//每秒读取计算一次。GetTickCount()返回的是毫秒数
{
m_Speed = m_PacketsLen/1000.0;//speed .单位kbps
m_TickCount = GetTickCount();//返回从启动到当前经过的毫秒数
m_PacketsLen = 0;
printf("Packets:%.0f/s Speed:%.3f Kbps\r",m_Packet_Count,m_Speed);
m_Packet_Count = 0;
}
}
if(res == -1){
printf("Error reading the packets: %s\n", pcap_geterr(adhandle));
return -1;
}
return 0;
}
#-------------------------------------------------
#
# Project created by QtCreator 2018-10-13T11:36:29
#
#-------------------------------------------------
QT += core
QT -= gui
TARGET = winpcap_net
CONFIG += console
CONFIG -= app_bundle
TEMPLATE = app
INCLUDEPATH += D:/WpdPack/Include
LIBS += D:/WpdPack/Lib/wpcap.lib
win32{LIBS+=-lws2_32}
SOURCES += main.cpp
#include <QCoreApplication>
//int main(int argc,
阅读背景：
winpcap每秒获取数据包数和speed
来源：互联网
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