seda.sandStorm.lib.Gnutella
Class GnutellaPacketReader

java.lang.Object
  seda.sandStorm.lib.Gnutella.GnutellaPacketReader

All Implemented Interfaces:

GnutellaConst

 class GnutellaPacketReader
extends java.lang.Object
implements GnutellaConst

This is an internal class, responsible for generating GnutellaPacket objects from raw socket data. It encapsulates the core packet-processing code in the Gnutella protocol.

Field Summary

private java.util.Vector	completePackets
private int	cur_offset
private static boolean	DEBUG
private int	function
private GnutellaGUID	guid
private byte[]	header
private int	hops
private int	packet_offset
private byte[]	payload
private int	payload_length
private byte[]	pktdata
private int	state
private static int	STATE_READ_HEADER
private static int	STATE_READ_PAYLOAD
private int	ttl

Fields inherited from interface seda.sandStorm.lib.Gnutella.GnutellaConst

DEFAULT_DOWNLOAD_PORT, DEFAULT_GNUTELLA_PORT, DEFAULT_HOPS, DEFAULT_PING_INTERVAL, DEFAULT_SPEED, DEFAULT_TTL, GNUTELLA_CONNECT, GNUTELLA_FN_PING, GNUTELLA_FN_PONG, GNUTELLA_FN_PUSH, GNUTELLA_FN_QUERY, GNUTELLA_FN_QUERYHITS, GNUTELLA_OK, MAX_PAYLOAD_SIZE, PACKET_HEADER_SIZE, WRITE_CLOG_THRESHOLD

Constructor Summary

GnutellaPacketReader()

Method Summary

(package private) void	createPacket()
private boolean	doReadHeader()
private boolean	doReadPayload()
(package private) GnutellaPacket	getGnutellaPacket()
private void	processHeader()
(package private) void	pushPacket(ATcpInPacket pkt)
private void	reset()

Methods inherited from class java.lang.Object

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

Field Detail

DEBUG

private static final boolean DEBUG

See Also:

Constant Field Values

STATE_READ_HEADER

private static final int STATE_READ_HEADER

See Also:

Constant Field Values

STATE_READ_PAYLOAD

private static final int STATE_READ_PAYLOAD

See Also:

Constant Field Values

state

private int state

cur_offset

private int cur_offset

packet_offset

private int packet_offset

pktdata

private byte[] pktdata

guid

private GnutellaGUID guid

function

private int function

ttl

private int ttl

hops

private int hops

payload_length

private int payload_length

header

private byte[] header

payload

private byte[] payload

completePackets

private java.util.Vector completePackets

Constructor Detail

GnutellaPacketReader

GnutellaPacketReader()

Method Detail

pushPacket

void pushPacket(ATcpInPacket pkt)
          throws java.io.IOException

Throws:

java.io.IOException

reset

private void reset()

doReadHeader

private boolean doReadHeader()
                      throws java.io.IOException

Throws:

java.io.IOException

doReadPayload

private boolean doReadPayload()
                       throws java.io.IOException

Throws:

java.io.IOException

processHeader

private void processHeader()
                    throws java.io.IOException

Throws:

java.io.IOException

getGnutellaPacket

GnutellaPacket getGnutellaPacket()
                           throws java.io.IOException

Throws:

java.io.IOException

createPacket

void createPacket()
            throws java.io.IOException

Throws:

java.io.IOException