net.sourceforge.jpcap.simulator
Class HeaderGenerator

java.lang.Object
  net.sourceforge.jpcap.simulator.HeaderGenerator

All Implemented Interfaces:

ARPFields, EthernetFields, ICMPFields, IPFields, TCPFields, UDPFields

public class HeaderGenerator

extends java.lang.Object

implements EthernetFields, ARPFields, IPFields, TCPFields, UDPFields, ICMPFields

This class generates random protocol headers.

Field Summary

Fields inherited from interface net.sourceforge.jpcap.net.EthernetFields

ETH_CODE_LEN, ETH_CODE_POS, ETH_DST_POS, ETH_HEADER_LEN, ETH_SRC_POS

Fields inherited from interface net.sourceforge.jpcap.net.ARPFields

ARP_ADDR_SIZE_LEN, ARP_ADDR_TYPE_LEN, ARP_ETH_ADDR_CODE, ARP_HEADER_LEN, ARP_HW_LEN_POS, ARP_HW_TYPE_POS, ARP_IP_ADDR_CODE, ARP_OP_LEN, ARP_OP_POS, ARP_OP_REP_CODE, ARP_OP_REQ_CODE, ARP_PR_LEN_POS, ARP_PR_TYPE_POS, ARP_S_HW_ADDR_POS, ARP_S_PR_ADDR_POS, ARP_T_HW_ADDR_POS, ARP_T_PR_ADDR_POS

Fields inherited from interface net.sourceforge.jpcap.net.IPFields

IP_CODE_LEN, IP_CODE_POS, IP_CSUM_LEN, IP_CSUM_POS, IP_DST_POS, IP_FRAG_LEN, IP_FRAG_POS, IP_HEADER_LEN, IP_ID_LEN, IP_ID_POS, IP_LEN_LEN, IP_LEN_POS, IP_SRC_POS, IP_TOS_LEN, IP_TOS_POS, IP_TTL_LEN, IP_TTL_POS, IP_VER_LEN, IP_VER_POS

Fields inherited from interface net.sourceforge.jpcap.net.TCPFields

TCP_ACK_LEN, TCP_ACK_MASK, TCP_ACK_POS, TCP_CSUM_LEN, TCP_CSUM_POS, TCP_DP_POS, TCP_FIN_MASK, TCP_FLAG_LEN, TCP_FLAG_POS, TCP_HEADER_LEN, TCP_PORT_LEN, TCP_PSH_MASK, TCP_RST_MASK, TCP_SEQ_LEN, TCP_SEQ_POS, TCP_SP_POS, TCP_SYN_MASK, TCP_URG_LEN, TCP_URG_MASK, TCP_URG_POS, TCP_WIN_LEN, TCP_WIN_POS

Fields inherited from interface net.sourceforge.jpcap.net.UDPFields

UDP_CSUM_LEN, UDP_CSUM_POS, UDP_DP_POS, UDP_HEADER_LEN, UDP_LEN_LEN, UDP_LEN_POS, UDP_PORT_LEN, UDP_SP_POS

Fields inherited from interface net.sourceforge.jpcap.net.ICMPFields

ICMP_CODE_LEN, ICMP_CODE_POS, ICMP_CSUM_LEN, ICMP_CSUM_POS, ICMP_HEADER_LEN, ICMP_SUBC_LEN, ICMP_SUBC_POS

Constructor Summary

HeaderGenerator()

Method Summary

static byte[]	generateRandomARPHeader() Generate a pseudo-random ARP header.
static byte[]	generateRandomEthernetHeader() Generate a pseudo-random ethernet header.
static byte[]	generateRandomICMPHeader() Generate a pseudo-random ICMP header.
static byte[]	generateRandomIPHeader() Generate a pseudo-random IP header.
static byte[]	generateRandomTCPHeader() Generate a pseudo-random TCP header.
static byte[]	generateRandomUDPHeader() Generate a pseudo-random TCP header.
static int	randomEthernetProtocol() Generate a pseudo-random ethernet protocol code.
static int	randomICMPType() Generate a pseudo-random ICMP protocol code (message type).
static int	randomIPProtocol() Generate a pseudo-random IP protocol code.
static int	randomPort() Generate a pseudo-random IP port.
static int	randomPrivilegedPort() Generate a pseudo-random well-known IP port.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

HeaderGenerator

public HeaderGenerator()

Method Detail

randomEthernetProtocol

public static int randomEthernetProtocol()

Generate a pseudo-random ethernet protocol code.

randomIPProtocol

public static int randomIPProtocol()

Generate a pseudo-random IP protocol code.

randomPort

public static int randomPort()

Generate a pseudo-random IP port.

randomPrivilegedPort

public static int randomPrivilegedPort()

Generate a pseudo-random well-known IP port.

randomICMPType

public static int randomICMPType()

Generate a pseudo-random ICMP protocol code (message type).

generateRandomEthernetHeader

public static byte[] generateRandomEthernetHeader()

Generate a pseudo-random ethernet header.

generateRandomARPHeader

public static byte[] generateRandomARPHeader()

Generate a pseudo-random ARP header.

generateRandomIPHeader

public static byte[] generateRandomIPHeader()

Generate a pseudo-random IP header.

generateRandomUDPHeader

public static byte[] generateRandomUDPHeader()

Generate a pseudo-random TCP header.

generateRandomTCPHeader

public static byte[] generateRandomTCPHeader()

Generate a pseudo-random TCP header.

generateRandomICMPHeader

public static byte[] generateRandomICMPHeader()

Generate a pseudo-random ICMP header.