SSF.OS.TCP
Class Instrumentation

java.lang.Object
  |
  +--SSF.OS.TCP.Instrumentation

public class Instrumentation

extends java.lang.Object

Instrumentation class is used to monitor the internal state of one TCP session at one end of the connection and to write data to a dumpfile.

Field Summary

static int	EVT_CLOSE
static int	EVT_FASTTICK
static int	EVT_OPEN event type
static int	EVT_PKRCV
static int	EVT_PKSND
static int	EVT_SLOWTICK
static int	EVT_SOCKREAD
static int	EVT_SOCKWRITE
static int	EVT_STATE

Constructor Summary

Instrumentation(tcpSessionMaster tcpms, tcpSession tcp)

Method Summary

void	printInitialValue() list the values of all parameters used by one session at initaliztion
void	printRcvWndParam(long time) Print current receive window parameters of TCP session
void	printSendWndParam(long time) Print current send window parameters of TCP session
java.lang.String	showSubState()
void	showTcpState() Show the current transition state of the TCP session
void	takeSnapshot(float time, int evtType)

Methods inherited from class java.lang.Object

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

Field Detail

EVT_OPEN

public static final int EVT_OPEN

event type

See Also:

Constant Field Values

EVT_CLOSE

public static final int EVT_CLOSE

See Also:

Constant Field Values

EVT_PKSND

public static final int EVT_PKSND

See Also:

Constant Field Values

EVT_PKRCV

public static final int EVT_PKRCV

See Also:

Constant Field Values

EVT_SLOWTICK

public static final int EVT_SLOWTICK

See Also:

Constant Field Values

EVT_FASTTICK

public static final int EVT_FASTTICK

See Also:

Constant Field Values

EVT_SOCKWRITE

public static final int EVT_SOCKWRITE

See Also:

Constant Field Values

EVT_SOCKREAD

public static final int EVT_SOCKREAD

See Also:

Constant Field Values

EVT_STATE

public static final int EVT_STATE

See Also:

Constant Field Values

Constructor Detail

Instrumentation

public Instrumentation(tcpSessionMaster tcpms,
                       tcpSession tcp)

Parameters:

tcp - tcpSession object represent one TCP session

Method Detail

showTcpState

public void showTcpState()

Show the current transition state of the TCP session

printInitialValue

public void printInitialValue()

list the values of all parameters used by one session at initaliztion

printSendWndParam

public void printSendWndParam(long time)

Print current send window parameters of TCP session

printRcvWndParam

public void printRcvWndParam(long time)

Print current receive window parameters of TCP session

showSubState

public java.lang.String showSubState()

takeSnapshot

public void takeSnapshot(float time,
                         int evtType)