Package org.springframework.integration.ip.tcp.connection

Class AbstractServerConnectionFactory

java.lang.Object

org.springframework.integration.context.IntegrationObjectSupport

org.springframework.integration.ip.tcp.connection.AbstractConnectionFactory

org.springframework.integration.ip.tcp.connection.AbstractServerConnectionFactory

All Implemented Interfaces:

Runnable, Aware, BeanFactoryAware, BeanNameAware, InitializingBean, ApplicationContextAware, ApplicationEventPublisherAware, Lifecycle, ExpressionCapable, OrderlyShutdownCapable, ConnectionFactory, TcpServerConnectionFactory, NamedComponent, ManageableLifecycle, SchedulingAwareRunnable

Direct Known Subclasses:

TcpNetServerConnectionFactory, TcpNioServerConnectionFactory

public abstract class AbstractServerConnectionFactory
extends AbstractConnectionFactory
implements TcpServerConnectionFactory, SchedulingAwareRunnable, OrderlyShutdownCapable

Base class for all server connection factories. Server connection factories listen on a port for incoming connections and create new TcpConnection objects for each new connection.

Since:

2.0

Author:

Gary Russell, Artem Bilan

Field Summary

Fields inherited from class org.springframework.integration.ip.tcp.connection.AbstractConnectionFactory

DEFAULT_REPLY_TIMEOUT, lifecycleMonitor

Fields inherited from class org.springframework.integration.context.IntegrationObjectSupport

EXPRESSION_PARSER, logger

Constructor Summary

Constructors

Constructor	Description
AbstractServerConnectionFactory(int port)	The port on which the factory will listen.

Method Summary

Modifier and Type	Method	Description
int	afterShutdown()	Called after normal shutdown of schedulers, executors etc, and after the shutdown delay has elapsed, but before any forced shutdown of any remaining active scheduler/executor threads.Can optionally return the number of active messages still in process.
int	beforeShutdown()	Called before shutdown begins.
int	getBacklog()	The number of sockets in the server connection backlog.
TcpConnection	getConnection()	Not supported because the factory manages multiple connections and this method cannot discriminate.
String	getLocalAddress()
SocketAddress	getServerSocketAddress()	Return the SocketAddress that the underlying ServerSocket is bound to.
protected void	initializeConnection(TcpConnectionSupport connection, Socket socket)	Transfers attributes such as (de)serializer, mapper etc to a new connection.
boolean	isListening()
boolean	isLongLived()
protected boolean	isShuttingDown()
protected void	postProcessServerSocket(ServerSocket serverSocket)
protected void	publishServerExceptionEvent(Exception ex)
protected void	publishServerListeningEvent(int port)
void	setBacklog(int backlog)	The number of sockets in the connection backlog.
protected void	setListening(boolean listening)
void	setLocalAddress(String localAddress)	Used on multi-homed systems to enforce the server to listen on a specific network address instead of all network adapters.
void	start()

Methods inherited from class org.springframework.integration.ip.tcp.connection.AbstractConnectionFactory

addConnection, checkActive, closeConnection, delayRead, doAccept, getApplicationEventPublisher, getDelayedReads, getDeserializer, getHost, getLifecycleMonitor, getListener, getMapper, getOpenConnectionIds, getPort, getReadDelay, getSender, getSenders, getSerializer, getSoLinger, getSoReceiveBufferSize, getSoSendBufferSize, getSoTimeout, getSoTrafficClass, getSslHandshakeTimeout, getTaskExecutor, getTcpSocketSupport, harvestClosedConnections, isActive, isLookupHost, isRunning, isSingleUse, isSoKeepAlive, isSoTcpNoDelay, onInit, processNioSelections, registerListener, registerSender, setActive, setApplicationEventPublisher, setDeserializer, setHost, setInterceptorFactoryChain, setLeaveOpen, setLookupHost, setMapper, setNioHarvestInterval, setPort, setReadDelay, setSerializer, setSingleUse, setSocketAttributes, setSoKeepAlive, setSoLinger, setSoReceiveBufferSize, setSoSendBufferSize, setSoTcpNoDelay, setSoTimeout, setSoTrafficClass, setSslHandshakeTimeout, setTaskExecutor, setTcpSocketSupport, stop, toString, unregisterSender, wrapConnection

Methods inherited from class org.springframework.integration.context.IntegrationObjectSupport

afterPropertiesSet, extractTypeIfPossible, generateId, getApplicationContext, getApplicationContextId, getBeanDescription, getBeanFactory, getBeanName, getChannelResolver, getComponentName, getComponentType, getConversionService, getExpression, getIntegrationProperties, getIntegrationProperty, getMessageBuilderFactory, getTaskScheduler, isInitialized, setApplicationContext, setBeanFactory, setBeanName, setChannelResolver, setComponentName, setConversionService, setMessageBuilderFactory, setPrimaryExpression, setTaskScheduler

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Runnable

run

Methods inherited from interface org.springframework.integration.ip.tcp.connection.TcpServerConnectionFactory

getPort

Constructor Details

AbstractServerConnectionFactory

public AbstractServerConnectionFactory(int port)

The port on which the factory will listen.

Parameters:

port - The port.

Method Details

isLongLived

public boolean isLongLived()

Specified by:

isLongLived in interface SchedulingAwareRunnable

getServerSocketAddress

@Nullable
public SocketAddress getServerSocketAddress()

Description copied from interface: TcpServerConnectionFactory

Return the SocketAddress that the underlying ServerSocket is bound to.

Specified by:

getServerSocketAddress in interface TcpServerConnectionFactory

Returns:

the socket address.

start

public void start()

Specified by:

start in interface Lifecycle

Specified by:

start in interface ManageableLifecycle

Overrides:

start in class AbstractConnectionFactory

getConnection

public TcpConnection getConnection()

Not supported because the factory manages multiple connections and this method cannot discriminate.

Specified by:

getConnection in interface ConnectionFactory

setListening

protected void setListening(boolean listening)

Parameters:

listening - the listening to set

isListening

public boolean isListening()

Returns:

true if the server is listening on the port.

isShuttingDown

protected boolean isShuttingDown()

initializeConnection

protected void initializeConnection(TcpConnectionSupport connection,
 Socket socket)

Transfers attributes such as (de)serializer, mapper etc to a new connection. For single use sockets, enforces a socket timeout (default 10 seconds) to prevent DoS attacks.

Parameters:

connection - The new connection.

socket - The new socket.

postProcessServerSocket

protected void postProcessServerSocket(ServerSocket serverSocket)

getLocalAddress

@Nullable
public String getLocalAddress()

Returns:

the localAddress

setLocalAddress

public void setLocalAddress(String localAddress)

Used on multi-homed systems to enforce the server to listen on a specific network address instead of all network adapters.

Parameters:

localAddress - the ip address of the required adapter.

getBacklog

public int getBacklog()

The number of sockets in the server connection backlog.

Returns:

The backlog.

setBacklog

public void setBacklog(int backlog)

The number of sockets in the connection backlog. Default 5; increase if you expect high connection rates.

Parameters:

backlog - The backlog to set.

beforeShutdown

public int beforeShutdown()

Description copied from interface: OrderlyShutdownCapable

Called before shutdown begins. Implementations should stop accepting new messages. Can optionally return the number of active messages in process.

Specified by:

beforeShutdown in interface OrderlyShutdownCapable

Returns:

The number of active messages if available.

afterShutdown

public int afterShutdown()

Description copied from interface: OrderlyShutdownCapable

Called after normal shutdown of schedulers, executors etc, and after the shutdown delay has elapsed, but before any forced shutdown of any remaining active scheduler/executor threads.Can optionally return the number of active messages still in process.

Specified by:

afterShutdown in interface OrderlyShutdownCapable

Returns:

The number of active messages if available.

publishServerExceptionEvent

protected void publishServerExceptionEvent(Exception ex)

publishServerListeningEvent

protected void publishServerListeningEvent(int port)