#include“head.h“


RawSocket::RawSocket（int?memory?）
{
	buffer?=?new?unsigned??char[memory];
	this?->?memory?=?memory;
}

RawSocket::~RawSocket（）
{
	delete?[]buffer;
}

void?RawSocket::create_raw_socket（）
{
	if（（sock?=?socket（PF_PACKET?SOCK_RAW?htons（ETH_P_IP）））?	{
		fprintf（stdout?“create?socket?error\n“）;
	}
}

int?RawSocket::receive_data（）
{
	return??recvfrom（sock?buffer?2048?0?NULL?NULL）;
}

void?RawSocket::output_mac_address（unsigned??char?*macHead）
{
	unsigned??char?*p?=?macHead;
	int?n?=?0XFF;
	printf（“MAC:\n?%.2X:%02X:%02X:%02X:%02X:%02X==>%.2X:%.2X:%.2X:%.2X:%.2X:%.2X\n\n“
		p[6]&n?p[7]&n?p[8]&n?p[9]&n?p[10]&n?p[11]&n
		p[0]&n?p[1]&n?p[2]&n?p[3]&n?p[4]&n?p[5]&n
	）;
}

void?RawSocket::output_ip_address（unsigned??char?*ipHead）
{
	unsigned??char?*p?=?ipHead?+?IP_ADDRESS_OFFSET;
	int?n?=?0XFF;
	printf（“IP:\n?%u.%u.%u.%u?=>?%u.%u.%u.%u\n\n“
		p[0]&n?p[1]&n?p[2]&n?p[3]&n
		p[4]&n?p[5]&n?p[6]&n?p[7]&n
	）;

}

void?RawSocket::output_tcp_port（unsigned??char?*tcpHead）
{
	unsigned??char?*p?=?tcpHead;
	printf（“source?port:?%u?=>?dest?port:?%u\n“
	（（（*p）?<	（（*（p?+?2）?<	）;
	
}

void?RawSocket::output_udp_port（unsigned??char?*udpHead）
{
	unsigned??char?*p?=?udpHead;
	printf（“source?port:?%u?=>?dest?port:?%u\n“
	（（（*p）?<	（（*（p?+?2）?<	）;
}

void?RawSocket::output_data（unsigned??char?*dataHead?unsigned?int?len）
{
	dataHead[len]?=?‘\0‘;
	cout?<}
int?RawSocket::get_protocol（unsigned??char?*ipHead）
{
	return?*（ipHead?+?IP_PROTOCOL_OFFSET）;
}

double?RawSocket::work（unsigned?int?times）
{
	unsigned?int?count?=?0;
	unsigned?int?tcpLen?udpLen?dataLen;
	double?sumData?=?0.0;
	create_raw_socket（）;
	while（++count?	{
		cout?<		cout?<		unsigned?int?temp?=?receive_data（）;
		sumData?+=?double（temp）;
		if（temp?		{
			cout?<			continue;
		}
		macHead?=?buffer;
		output_mac_address（macHead）;
		
		ipHead?=?macHead?+?IP_HEAD_OFFSET;
		output_ip_address（ipHead）;

		switch（get_protocol（ipHead））
		{
		case?IPPROTO_ICMP:?cout?<		case?IPPROTO_IGMP:?cout?<		case?IPPROTO_IPIP:?cout?<		case?IPPROTO_TCP:?cout?<			???tcpHead?=?ipHead?+?（（*ipHead）?&?0X0F）?*?4;
			
			??tcpLen?=?（（（unsigned?int）（（*（ipHead?+?IP_SUM_OFFSET））?<					IP_SUM_OFFSET?+?1））?&?0XFF））-?（unsigned?int）（*ipHead?&?0X0F）?*?4;
			??cout?<
			??output_tcp_port（tcpHead）;
				
			??dataLen?=?tcpLen?-?（unsigned?int）?（*（tcpHead?+TCP_DATA_OFFSET）?>>?4）?*?4;
			??dataHead?=?tcpHead?+?tcpLen?-?dataLen;?
			?
			??cout?<			??
			??output_data（dataHead?dataLen）;
		??????????break;
		case?IPPROTO_UDP:?cout?<