drcl.inet.mac
Class Mac_802_11_Packet

java.lang.Object
  drcl.net.Packet
      drcl.inet.mac.Mac_802_11_Packet

All Implemented Interfaces:

java.lang.Cloneable, Countable, ObjectCloneable, PacketWrapper

Direct Known Subclasses:

Mac_802_11_ACK_Frame, Mac_802_11_ATIM_Frame, Mac_802_11_Beacon_Frame, Mac_802_11_CTS_Frame, Mac_802_11_Data_Frame, Mac_802_11_RTS_Frame

public abstract class Mac_802_11_Packet

extends Packet

This class is the base class of IEEE802.11 RTS, CTS, ACK and Data frame classes.

Author:

Ye Ge

See Also:

Mac_802_11, Mac_802_11_ACK_Frame, Mac_802_11_CTS_Frame, Mac_802_11_RTS_Frame, Mac_802_11_Data_Frame, Mac_802_11_Frame_Control

Field Summary

static int	EHTER_FCS_LEN
static int	ETHER_ADDR_LEN
static int	ETHER_TYPE_LEN

Fields inherited from class drcl.net.Packet

body, headerSize, id, size

Constructor Summary

Mac_802_11_Packet()
Construct a 802_11 packet

Mac_802_11_Packet(int hsize_, int bsize_, java.lang.Object body_)
Construct a 802_11 packet

Mac_802_11_Packet(int hsize_, int bsize_, java.lang.Object body_, boolean ferror_)
Construct a 802_11 packet

Mac_802_11_Packet(int hsize_, int bsize_, java.lang.Object body_, Mac_802_11_Frame_Control fc_, int duration_, int fcs_, boolean ferror_)
Construct a 802_11 packet

Mac_802_11_Packet(Mac_802_11_Frame_Control fc_, int duration_, int fcs_)
Construct a non-corrupted 802_11 packet with empty body

Mac_802_11_Packet(Mac_802_11_Frame_Control fc_, int duration_, int fcs_, boolean ferror_)
Construct a 802_11 packet with empty body

Method Summary

java.lang.String	_toString(java.lang.String separator_) Prints the packet header.
int	getDuration() Get the frame duration field (2 Byte)
Mac_802_11_Frame_Control	getFc() Get the frame control field (2 Byte)
int	getFcs() Get the frame check sequence (4 Byte)
java.lang.String	getName() Returns the name of this packet.
boolean	isForcedError()
void	set_fc_flags(boolean order_, boolean wep_, boolean more_data_, boolean pwr_mgt_, boolean retry_, boolean more_frag_, boolean from_ds_, boolean to_ds_) Set the frame control flags
void	setDuration(int d_) Set the frame duration field (2 Byte)
void	setFc(Mac_802_11_Frame_Control fc_) Set the frame control field (2 Byte)
void	setFcs(int fcs_) Set the frame check sequence (4 Byte)
void	setForcedError(boolean b_)

Methods inherited from class drcl.net.Packet

clone, equals, getBody, getByteCount, getHeaderSize, getNumberCount, getPacketCount, getPacketSize, getPacketType, getSize, getSizeCount, getTimestamp, isByteCountSupported, isPacketCountSupported, isTimestampSupported, setBody, setBody, setHeaderSize, setPacketSize, setSize, setTimestamp, toString, toString, wraps

Methods inherited from class java.lang.Object

getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

ETHER_ADDR_LEN

public static final int ETHER_ADDR_LEN

See Also:

Constant Field Values

ETHER_TYPE_LEN

public static final int ETHER_TYPE_LEN

See Also:

Constant Field Values

EHTER_FCS_LEN

public static final int EHTER_FCS_LEN

See Also:

Constant Field Values

Constructor Detail

Mac_802_11_Packet

public Mac_802_11_Packet()

Construct a 802_11 packet

Mac_802_11_Packet

public Mac_802_11_Packet(int hsize_,
                         int bsize_,
                         java.lang.Object body_)

Construct a 802_11 packet

Parameters:

bsize_ - - body size

body_ - - packet body

Mac_802_11_Packet

public Mac_802_11_Packet(int hsize_,
                         int bsize_,
                         java.lang.Object body_,
                         boolean ferror_)

Construct a 802_11 packet

Parameters:

bsize_ - - body size

body_ - - packet body

ferror_ - - indicating if the packet is corrupted

Mac_802_11_Packet

public Mac_802_11_Packet(int hsize_,
                         int bsize_,
                         java.lang.Object body_,
                         Mac_802_11_Frame_Control fc_,
                         int duration_,
                         int fcs_,
                         boolean ferror_)

Construct a 802_11 packet

Parameters:

bsize_ - - body size

body_ - - packet body

fc_ - - MAC frame control

duration_ - - duration

fcs_ - - frame check sequence

ferror_ - - indicating if the packet is corrupted

Mac_802_11_Packet

public Mac_802_11_Packet(Mac_802_11_Frame_Control fc_,
                         int duration_,
                         int fcs_,
                         boolean ferror_)

Construct a 802_11 packet with empty body

Parameters:

fc_ - - MAC frame control

duration_ - - duration

fcs_ - - frame check sequence

ferror_ - - indicating if the packet is corrupted

Mac_802_11_Packet

public Mac_802_11_Packet(Mac_802_11_Frame_Control fc_,
                         int duration_,
                         int fcs_)

Construct a non-corrupted 802_11 packet with empty body

Parameters:

fc_ - - MAC frame control

duration_ - - duration

fcs_ - - frame check sequence

Method Detail

getName

public java.lang.String getName()

Description copied from class: Packet

Returns the name of this packet.

Specified by:

getName in class Packet

setForcedError

public void setForcedError(boolean b_)

isForcedError

public boolean isForcedError()

getFc

public Mac_802_11_Frame_Control getFc()

Get the frame control field (2 Byte)

setFc

public void setFc(Mac_802_11_Frame_Control fc_)

Set the frame control field (2 Byte)

getDuration

public int getDuration()

Get the frame duration field (2 Byte)

setDuration

public void setDuration(int d_)

Set the frame duration field (2 Byte)

getFcs

public int getFcs()

Get the frame check sequence (4 Byte)

setFcs

public void setFcs(int fcs_)

Set the frame check sequence (4 Byte)

set_fc_flags

public void set_fc_flags(boolean order_,
                         boolean wep_,
                         boolean more_data_,
                         boolean pwr_mgt_,
                         boolean retry_,
                         boolean more_frag_,
                         boolean from_ds_,
                         boolean to_ds_)

Set the frame control flags

Parameters:

order_ - - 0, 1 order field

wep_ - - set to 1 if the frame body field contains information processed by WEP algorithm

more_data_ - - set to 1 if AP has more data to transmit to the STA

pwr_mgt_ - - set to 1 if a STA is in power-saving

retry_ - - set to 1 if it is a retransmission of an earlier frame

more_frag_ - - set to 1 if there is one or more fragments to follow

from_ds_ - - set to 1 if data type frames existing the DS

to_ds_ - - set to 1 if data type frames destined the DS

_toString

public java.lang.String _toString(java.lang.String separator_)

Description copied from class: Packet

Prints the packet header.

Overrides:

_toString in class Packet