Package net.i2p.client.streaming.impl

Class ConnectionHandler

java.lang.Object

net.i2p.client.streaming.impl.ConnectionHandler

class ConnectionHandler
extends Object

Receive new connection attempts Use a bounded queue to limit the damage from SYN floods, router overload, or a slow client

Author:

zzz modded to use concurrent and bound queue size

Constructor Summary

Constructors

Constructor	Description
ConnectionHandler(I2PAppContext context, ConnectionManager mgr, SimpleTimer2 timer)	Creates a new instance of ConnectionHandler

Method Summary

Modifier and Type	Method	Description
Connection	accept(long timeoutMs)	Receive an incoming connection (built from a received SYN) Non-SYN packets with a zero SendStreamID may also be queued here so that they don't get thrown away while the SYN packet before it is queued.
boolean	getActive()
void	receiveNewSyn(Packet packet)	Non-SYN packets with a zero SendStreamID may also be queued here so that they don't get thrown away while the SYN packet before it is queued.
void	setActive(boolean active)
void	setRestartPending()	The router told us it's going to restart.

Methods inherited from class java.lang.Object

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

Constructor Detail

ConnectionHandler

public ConnectionHandler(I2PAppContext context,
                         ConnectionManager mgr,
                         SimpleTimer2 timer)

Creates a new instance of ConnectionHandler

Method Detail

setRestartPending

public void setRestartPending()

The router told us it's going to restart. Call instead of setActive(false).

Since:

0.9.34

setActive

public void setActive(boolean active)

getActive

public boolean getActive()

receiveNewSyn

public void receiveNewSyn(Packet packet)

Non-SYN packets with a zero SendStreamID may also be queued here so that they don't get thrown away while the SYN packet before it is queued. Additional overload protection may be required here... We don't have a 3-way handshake, so the SYN fully opens a connection. Does that make us more or less vulnerable to SYN flooding?

accept

public Connection accept(long timeoutMs)
                  throws RouterRestartException,
                         ConnectException,
                         SocketTimeoutException

Receive an incoming connection (built from a received SYN) Non-SYN packets with a zero SendStreamID may also be queued here so that they don't get thrown away while the SYN packet before it is queued.

Parameters:

timeoutMs - max amount of time to wait for a connection (if less than 1ms, wait indefinitely)

Returns:

connection received. Prior to 0.9.17, or null if there was a timeout or the handler was shut down. As of 0.9.17, never null.

Throws:

RouterRestartException - (extends I2PException) if the router is apparently restarting, since 0.9.34

ConnectException - since 0.9.17, returned null before; if the I2PServerSocket is closed, or if interrupted.

SocketTimeoutException - since 0.9.17, returned null before; if a timeout was previously set with setSoTimeout and the timeout has been reached.