org.opengts.servers.template
Class TrackClientPacketHandler

java.lang.Object
  org.opengts.util.AbstractClientPacketHandler
      org.opengts.servers.template.TrackClientPacketHandler

All Implemented Interfaces:

ClientPacketHandler

public class TrackClientPacketHandler
extends AbstractClientPacketHandler

TrackClientPacketHandler - This module contains the general "business logic" for parsing incoming data packets from the remote tracking device.

Field Summary

static int	DATA_FORMAT_OPTION
static boolean	ESTIMATE_ODOMETER
static double	KILOMETERS_PER_KNOT
static double	KNOTS_PER_KILOMETER
static double	MINIMUM_SPEED_KPH
static long	SIMEVENT_DIGITAL_INPUTS
static boolean	SIMEVENT_GEOZONES

Fields inherited from class org.opengts.util.AbstractClientPacketHandler

GMT_Timezone, PACKET_LEN_END_OF_STREAM, PACKET_LEN_LINE_TERMINATOR

Constructor Summary

TrackClientPacketHandler()

Method Summary

static int	_main(boolean fromMain) Main entry point used for debug purposes only
static void	configInit() Initialize runtime configuration
int	getActualPacketLength(byte[] packet, int packetLen) Callback to obtain the length of the next packet, based on the provided partial packet data.
byte[]	getFinalPacket(boolean hasError) Returns the final packet that should be sent to the device before closing the socket connection.
byte[]	getHandlePacket(byte[] pktBytes) Parse the provided packet information, and return any response that should be sent back to the remote device
byte[]	getInitialPacket() Returns the initial packet that should be sent to the device upon openning the socket connection .
static void	main(java.lang.String[] argv) Main entry point used for debug purposes only
void	sessionStarted(java.net.InetAddress inetAddr, boolean isTCP, boolean isText) Called when the session has started
void	sessionTerminated(java.lang.Throwable err, long readCount, long writeCount) Callback just before the session is terminated
boolean	terminateSession() Callback to determine if the current session should be terminated

Methods inherited from class org.opengts.util.AbstractClientPacketHandler

clearSavedEventCount, clearTerminateSession, equals, equalsSessionID, GetDebugMode, getHostAddress, getInetAddress, getIPAddress, getLocalPort, getMaximumPacketLength, getMinimumPacketLength, getRemotePort, getResponsePort, getSavedEventCount, getSequenceID, getSessionID, getSessionInfo, getSessionStartTime, hasHostAddress, hasIPAddress, hasSavedEvents, incrementSavedEventCount, IsDebugMode, isDuplex, isTextPackets, printSessionStart, printSessionTerminated, SetDebugMode, setSavedEventCount, setSessionInfo, setTerminateSession, setTerminateSession, tcpWrite

Methods inherited from class java.lang.Object

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

Field Detail

DATA_FORMAT_OPTION

public static int DATA_FORMAT_OPTION

ESTIMATE_ODOMETER

public static boolean ESTIMATE_ODOMETER

SIMEVENT_GEOZONES

public static boolean SIMEVENT_GEOZONES

SIMEVENT_DIGITAL_INPUTS

public static long SIMEVENT_DIGITAL_INPUTS

MINIMUM_SPEED_KPH

public static double MINIMUM_SPEED_KPH

KILOMETERS_PER_KNOT

public static final double KILOMETERS_PER_KNOT

See Also:

Constant Field Values

KNOTS_PER_KILOMETER

public static final double KNOTS_PER_KILOMETER

See Also:

Constant Field Values

Constructor Detail

TrackClientPacketHandler

public TrackClientPacketHandler()

Method Detail

sessionStarted

public void sessionStarted(java.net.InetAddress inetAddr,
                           boolean isTCP,
                           boolean isText)

Description copied from class: AbstractClientPacketHandler

Called when the session has started

Specified by:

sessionStarted in interface ClientPacketHandler

Overrides:

sessionStarted in class AbstractClientPacketHandler

Parameters:

inetAddr - The host IP address

isTCP - True if the connection is TCP

isText - True if the connection is text

sessionTerminated

public void sessionTerminated(java.lang.Throwable err,
                              long readCount,
                              long writeCount)

Description copied from class: AbstractClientPacketHandler

Callback just before the session is terminated

Specified by:

sessionTerminated in interface ClientPacketHandler

Overrides:

sessionTerminated in class AbstractClientPacketHandler

getActualPacketLength

public int getActualPacketLength(byte[] packet,
                                 int packetLen)

Description copied from class: AbstractClientPacketHandler

Callback to obtain the length of the next packet, based on the provided partial packet data.

Specified by:

getActualPacketLength in interface ClientPacketHandler

Overrides:

getActualPacketLength in class AbstractClientPacketHandler

terminateSession

public boolean terminateSession()

Description copied from class: AbstractClientPacketHandler

Callback to determine if the current session should be terminated

Specified by:

terminateSession in interface ClientPacketHandler

Overrides:

terminateSession in class AbstractClientPacketHandler

Returns:

True if the session should terminate

getInitialPacket

public byte[] getInitialPacket()
                        throws java.lang.Exception

Description copied from class: AbstractClientPacketHandler

Returns the initial packet that should be sent to the device upon openning the socket connection .

Specified by:

getInitialPacket in interface ClientPacketHandler

Overrides:

getInitialPacket in class AbstractClientPacketHandler

Returns:

The initial response to be sent when the session opens

Throws:

java.lang.Exception

getHandlePacket

public byte[] getHandlePacket(byte[] pktBytes)

Description copied from class: AbstractClientPacketHandler

Parse the provided packet information, and return any response that should be sent back to the remote device

Specified by:

getHandlePacket in interface ClientPacketHandler

Specified by:

getHandlePacket in class AbstractClientPacketHandler

Parameters:

pktBytes - The packet

Returns:

The response

getFinalPacket

public byte[] getFinalPacket(boolean hasError)
                      throws java.lang.Exception

Description copied from class: AbstractClientPacketHandler

Returns the final packet that should be sent to the device before closing the socket connection.

Specified by:

getFinalPacket in interface ClientPacketHandler

Overrides:

getFinalPacket in class AbstractClientPacketHandler

Returns:

the final response to be sent before the session closes

Throws:

java.lang.Exception

configInit

public static void configInit()

Initialize runtime configuration

_main

public static int _main(boolean fromMain)

Main entry point used for debug purposes only

main

public static void main(java.lang.String[] argv)

Main entry point used for debug purposes only