ipv6option.java

Java抓包必备

package jpcap;

/**
* IPv6偺僆僾僔儑儞僿僢僟傪昞尰偡傞僋儔僗偱偡丅
*/
public class IPv6Option{

	/**
	 * 拞宲揰僆僾僔儑儞
	 **/
	public static final byte HOP_BY_HOP_OPTION=0;
	/**
	 * 宱楬惂屼僆僾僔儑儞
	 **/
	public static final byte ROUTING_OPTION=43;
	/**
	 * 抐曅僆僾僔儑儞
	 **/
	public static final byte FRAGMENT_OPTION=44;
	/**
	 * 僙僉儏儕僥傿儁僀儘乕僪
	 **/
	public static final byte ESP_OPTION=50;
	/**
	 * 擣徹僆僾僔儑儞
	 **/
	public static final byte AH_OPTION=51;
	/**
	 * 師僿僢僟柍偟
	 **/
	public static final byte NONE_OPTION=59;
	/**
	 * 廔揰僆僾僔儑儞
	 **/
	public static final byte DESTINATION_OPTION=60;

	/**
	 * 奼挘僆僾僔儑儞僞僀僾
	 **/
	public byte type;
	/**
	 * 師僿僢僟
	 **/
	public byte next_header;
	/**
	 * 奼挘僿僢僟挿
	 **/
	public byte hlen;

	/**
	* 僆僾僔儑儞
	*/
	public byte[] option;

	/**
	* 儖乕僥傿儞僌僞僀僾乮宱楬惂屼僆僾僔儑儞乯
	*/
	public byte routing_type;
	/**
	* 儂僢僾巆悢乮宱楬惂屼僆僾僔儑儞乯
	*/
	public byte hop_left;
	/**
	* 宱楬傾僪儗僗乮宱楬惂屼僆僾僔儑儞乯
	*/
	public IPAddress[] addrs;

	/**
	* 僆僼僙僢僩乮僼儔僌儊儞僩僆僾僔儑儞乯
	*/
	public short offset;
	/**
	* 屻懕僼儔僌乮僼儔僌儊儞僩僆僾僔儑儞乯
	*/
	public boolean m_flag;
	/**
	* Identification乮僼儔僌儊儞僩僆僾僔儑儞乯
	*/
	public int identification;

	/**
	* SPI乮AH僆僾僔儑儞梡乯
	*/
	public int spi;
	/**
	* 僔乕働儞僗斣崋乮AH僆僾僔儑儞梡乯
	*/
	public int sequence;

	void setValue(byte type,byte next,byte hlen){
		this.type=type;
		this.next_header=next;
		this.hlen=hlen;
	}

	void setOptionData(byte[] option){
		this.option=option;
	}

	void setRoutingOption(byte type,byte left,String[] addrs){
		this.routing_type=type;
		this.hop_left=left;
		this.addrs=new IPAddress[addrs.length];
		for(int i=0;i<addrs.length;i++){
			try{
				this.addrs[i]=new IPAddress(addrs[i]);
			}catch(java.net.UnknownHostException e){}
		}
	}

	void setFragmentOption(short offset,boolean m,int ident){
		this.offset=offset;
		this.m_flag=m;
		this.identification=ident;
	}

	void setAHOption(int spi,int seq){
		this.spi=spi;
		this.sequence=seq;
	}
}