icmpconstants.java

来自「纯java操作系统jnode,安装简单和操作简单的个人使用的Java操作系统」· Java 代码 · 共 57 行

/*
 * $Id: ICMPConstants.java,v 1.1 2003/11/25 11:52:20 epr Exp $
 */
package org.jnode.net.ipv4.icmp;

/**
 * @author epr
 */
public interface ICMPConstants {

	public static final int ICMP_ECHOREPLY		= 0;	/* Echo Reply			*/
	public static final int ICMP_DEST_UNREACH	= 3;	/* Destination Unreachable	*/
	public static final int ICMP_SOURCE_QUENCH	= 4;	/* Source Quench		*/
	public static final int ICMP_REDIRECT		= 5;	/* Redirect (change route)	*/
	public static final int ICMP_ECHO			= 8; 	/* Echo Request			*/
	public static final int ICMP_TIME_EXCEEDED	= 11;	/* Time Exceeded		*/
	public static final int ICMP_PARAMETERPROB	= 12;	/* Parameter Problem		*/
	public static final int ICMP_TIMESTAMP		= 13;	/* Timestamp Request		*/
	public static final int ICMP_TIMESTAMPREPLY	= 14;	/* Timestamp Reply		*/
	public static final int ICMP_INFO_REQUEST	= 15;	/* Information Request		*/
	public static final int ICMP_INFO_REPLY		= 16;	/* Information Reply		*/
	public static final int ICMP_ADDRESS			= 17;	/* Address Mask Request		*/
	public static final int ICMP_ADDRESSREPLY	= 18;	/* Address Mask Reply		*/
	public static final int NR_ICMP_TYPES		= 18;


	/* Codes for UNREACH. */
	public static final int ICMP_NET_UNREACH		= 0;		/* Network Unreachable		*/
	public static final int ICMP_HOST_UNREACH	= 1;		/* Host Unreachable		*/
	public static final int ICMP_PROT_UNREACH	= 2;		/* Protocol Unreachable		*/
	public static final int ICMP_PORT_UNREACH	= 3;		/* Port Unreachable		*/
	public static final int ICMP_FRAG_NEEDED		= 4;		/* Fragmentation Needed/DF set	*/
	public static final int ICMP_SR_FAILED		= 5;		/* Source Route failed		*/
	public static final int ICMP_NET_UNKNOWN		= 6;
	public static final int ICMP_HOST_UNKNOWN	= 7;
	public static final int ICMP_HOST_ISOLATED	= 8;
	public static final int ICMP_NET_ANO			= 9;
	public static final int ICMP_HOST_ANO		= 10;
	public static final int ICMP_NET_UNR_TOS		= 11;
	public static final int ICMP_HOST_UNR_TOS	= 12;
	public static final int ICMP_PKT_FILTERED	= 13;	/* Packet filtered */
	public static final int ICMP_PREC_VIOLATION	= 14;	/* Precedence violation */
	public static final int ICMP_PREC_CUTOFF		= 15;	/* Precedence cut off */
	public static final int NR_ICMP_UNREACH		= 15;	/* instead of hardcoding immediate value */

	/* Codes for REDIRECT. */
	public static final int ICMP_REDIR_NET		= 0;	/* Redirect Net			*/
	public static final int ICMP_REDIR_HOST		= 1;	/* Redirect Host		*/
	public static final int ICMP_REDIR_NETTOS	= 2;	/* Redirect Net for TOS		*/
	public static final int ICMP_REDIR_HOSTTOS	= 3;	/* Redirect Host for TOS	*/

	/* Codes for TIME_EXCEEDED. */
	public static final int ICMP_EXC_TTL			= 0;	/* TTL count exceeded		*/
	public static final int ICMP_EXC_FRAGTIME	= 1;	/* Fragment Reass time exceeded	*/

}