package?com.ip;

import?java.io.IOException;



import?jpcap.*;
import?jpcap.packet.*;

public?class?IPCaptor?{
	
	private?static?JpcapCaptor?captor?=?null;
	
	public?static?void?open（）?throws?IOException?{
		NetworkInterface[]?devices?=?JpcapCaptor.getDeviceList（）;
		captor?=?JpcapCaptor.openDevice（devices[0]?2000?true?3000）;	
	}
	
	public?static?void?setFilterType（int?type）?throws?IOException?{
		switch?（type）?{
			case?0:
				captor.setFilter（“ip“?true）;
				break;
			case?1:
				captor.setFilter（“tcp“?true）;
				break;
			case?2:
				captor.setFilter（“udp“?true）;
				break;
			case?3:
				captor.setFilter（“icmp“?true）;
				break;
			}
	}
	
	public?static?IPPacket?cap（）{
		IPPacket?ip?=?null;
		while?（true）?{
			ip?=?（IPPacket）?captor.getPacket（）;
			if?（ip?!=?null）?{
				return?ip;
			}
		}
	}
	
	static?String?change（short?m）?{
		String?str;
		switch?（m）?{
		
		case?IPPacket.IPPROTO_TCP:
			str=“TCP“;
			break;
		case?IPPacket.IPPROTO_UDP:
			str=“UDP“;
			break;
		case?IPPacket.IPPROTO_HOPOPT:
			str=“HOPOPT“;
			break;
		case?IPPacket.IPPROTO_ICMP:
			str=“ICMP“;
			break;
		case?IPPacket.IPPROTO_IGMP:
			str=“IGMP“;
			break;
		case?IPPacket.IPPROTO_IP:
			str=“IP“;
			break;
		case?IPPacket.IPPROTO_IPv6:
			str=“IPv6“;
			break;
		case?IPPacket.IPPROTO_IPv6_Frag:
			str=“IPv6_Frag“;
			break;
		case?IPPacket.IPPROTO_IPv6_ICMP:
			str=“IPv6_ICMP“;
			break;
		case?IPPacket.IPPROTO_IPv6_NoNxt:
			str=“IPv6_NoNxt“;
			break;
		case?IPPacket.IPPROTO_IPv6_Opts:
			str=“IPv6_Opts“;
			break;
		case?IPPacket.IPPROTO_IPv6_Route:
			str=“IPv6_Route“;
			break;
		default:
			str=“UNKOWN!“;
			break;
		}
		return?str;
	}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件?????309430??2014-06-17?22:08??jpcap_32位_64位.rar

?????文件?????566784??2014-07-02?20:59??計算機網絡課程設計報告.doc

?????文件???????1747??2014-06-19?10:40??IPCaptor.java

?????文件??????12532??2014-06-19?11:09??IPView.java

?????文件??????54406??2014-06-17?10:38??jpcap.chm

-----------?---------??----------?-----??----

???????????????944899????????????????????5