com.linecorp.armeria.internal

Class ConnectionLimitingHandler

java.lang.Object

io.netty.channel.ChannelHandlerAdapter

io.netty.channel.ChannelInboundHandlerAdapter

com.linecorp.armeria.internal.ConnectionLimitingHandler

All Implemented Interfaces:

io.netty.channel.ChannelHandler, io.netty.channel.ChannelInboundHandler

@ChannelHandler.Sharable
public final class ConnectionLimitingHandler
extends io.netty.channel.ChannelInboundHandlerAdapter

Limit the number of open connections to the configured value. ConnectionLimitingHandler instance would be set to AbstractBootstrap.handler(ChannelHandler).

Nested Class Summary

Nested classes/interfaces inherited from interface io.netty.channel.ChannelHandler

io.netty.channel.ChannelHandler.Sharable

Constructor Summary

Constructors

Constructor and Description
ConnectionLimitingHandler(int maxNumConnections)

Method Summary

Modifier and Type	Method and Description
void	channelRead(io.netty.channel.ChannelHandlerContext ctx, Object msg)
Set<io.netty.channel.Channel>	children() Returns the immutable set of child Channels.
int	maxNumConnections() Returns the maximum allowed number of open connections.
int	numConnections() Returns the number of open connections.
static int	validateMaxNumConnections(int maxNumConnections) Validates the maximum allowed number of open connections.

Methods inherited from class io.netty.channel.ChannelInboundHandlerAdapter

channelActive, channelInactive, channelReadComplete, channelRegistered, channelUnregistered, channelWritabilityChanged, exceptionCaught, userEventTriggered

Methods inherited from class io.netty.channel.ChannelHandlerAdapter

ensureNotSharable, handlerAdded, handlerRemoved, isSharable

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.netty.channel.ChannelHandler

handlerAdded, handlerRemoved

Constructor Detail

ConnectionLimitingHandler

public ConnectionLimitingHandler(int maxNumConnections)

Method Detail

channelRead

public void channelRead(io.netty.channel.ChannelHandlerContext ctx,
                        Object msg)
                 throws Exception

Specified by:

channelRead in interface io.netty.channel.ChannelInboundHandler

Overrides:

channelRead in class io.netty.channel.ChannelInboundHandlerAdapter

Throws:

Exception

maxNumConnections

public int maxNumConnections()

Returns the maximum allowed number of open connections.

numConnections

public int numConnections()

Returns the number of open connections.

children

public Set<io.netty.channel.Channel> children()

Returns the immutable set of child Channels.

validateMaxNumConnections

public static int validateMaxNumConnections(int maxNumConnections)

Validates the maximum allowed number of open connections. It must be a positive number.