SSF.App.DDoS
Class SYNMonitor

java.lang.Object
  |
  +--SSF.App.DDoS.SYNMonitor

All Implemented Interfaces:

ProtocolMonitor

public class SYNMonitor

extends java.lang.Object

implements ProtocolMonitor

Used to monitor the SYNs arrive at or go pass a httpServer. It's basically the same as RequestsMonitor, except that it's installed to monitor SYN packets.

Field Summary

protected ProtocolSession	owner
static java.lang.String	STREAM_TYPE

Constructor Summary

SYNMonitor()

Method Summary

void	config(ProtocolSession ownerProtocol, com.renesys.raceway.DML.Configuration cfg) configure the Monitor.
void	init() called by SSF.OS.IP.init()
void	receive(ProtocolMessage msg, ProtocolSession fromSession, ProtocolSession toSession) Just increase a counter
static java.lang.String	recordToString(byte[] bytes, int offset)

Methods inherited from class java.lang.Object

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

Field Detail

STREAM_TYPE

public static final java.lang.String STREAM_TYPE

See Also:

Constant Field Values

owner

protected ProtocolSession owner

Constructor Detail

SYNMonitor

public SYNMonitor()

Method Detail

config

public void config(ProtocolSession ownerProtocol,
                   com.renesys.raceway.DML.Configuration cfg)
            throws com.renesys.raceway.DML.configException

configure the Monitor. The supported DML attributes are:

   monitor [
     use SSF.OS.WWW.SYNMonitor
     probe_interval  %F   # queue length averaging time interval, seconds (double)
     debug           %S   # print verbose diagnostics, true/false
   ]
 

Specified by:

config in interface ProtocolMonitor

com.renesys.raceway.DML.configException

init

public void init()

called by SSF.OS.IP.init()

Specified by:

init in interface ProtocolMonitor

receive

public void receive(ProtocolMessage msg,
                    ProtocolSession fromSession,
                    ProtocolSession toSession)

Just increase a counter

Specified by:

receive in interface ProtocolMonitor

recordToString

public static java.lang.String recordToString(byte[] bytes,
                                              int offset)