org.graylog2.gelfclient.encoder

Class GelfMessageChunkEncoder

java.lang.Object

io.netty.channel.ChannelHandlerAdapter

io.netty.channel.ChannelOutboundHandlerAdapter

io.netty.handler.codec.MessageToMessageEncoder<io.netty.buffer.ByteBuf>

org.graylog2.gelfclient.encoder.GelfMessageChunkEncoder

All Implemented Interfaces:

io.netty.channel.ChannelHandler, io.netty.channel.ChannelOutboundHandler

@ChannelHandler.Sharable
public class GelfMessageChunkEncoder
extends io.netty.handler.codec.MessageToMessageEncoder<io.netty.buffer.ByteBuf>

A Netty channel handler which splits large GELF messages into chunked GELF messages.

Nested Class Summary

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

io.netty.channel.ChannelHandler.Sharable

Constructor Summary

Constructors

Constructor and Description
GelfMessageChunkEncoder() Creates a new instance with a random machine identifier used in the generation of the message ID.
GelfMessageChunkEncoder(byte[] machineIdentifier) Creates a new instance with a given machine identifier used in the generation of the message ID.

Method Summary

Modifier and Type	Method and Description
protected void	encode(io.netty.channel.ChannelHandlerContext ctx, io.netty.buffer.ByteBuf buf, List<Object> out)
void	exceptionCaught(io.netty.channel.ChannelHandlerContext ctx, Throwable cause)

Methods inherited from class io.netty.handler.codec.MessageToMessageEncoder

acceptOutboundMessage, write

Methods inherited from class io.netty.channel.ChannelOutboundHandlerAdapter

bind, close, connect, deregister, disconnect, flush, read

Methods inherited from class io.netty.channel.ChannelHandlerAdapter

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

GelfMessageChunkEncoder

public GelfMessageChunkEncoder(byte[] machineIdentifier)

Creates a new instance with a given machine identifier used in the generation of the message ID.

Usually the hostname of the client makes a good enough machine identifier.

Parameters:

machineIdentifier - the machine identifier (only the first 4 bytes are being used)

GelfMessageChunkEncoder

public GelfMessageChunkEncoder()

Creates a new instance with a random machine identifier used in the generation of the message ID.

Method Detail

exceptionCaught

public void exceptionCaught(io.netty.channel.ChannelHandlerContext ctx,
                            Throwable cause)
                     throws Exception

Specified by:

exceptionCaught in interface io.netty.channel.ChannelHandler

Overrides:

exceptionCaught in class io.netty.channel.ChannelHandlerAdapter

Throws:

Exception

encode

protected void encode(io.netty.channel.ChannelHandlerContext ctx,
                      io.netty.buffer.ByteBuf buf,
                      List<Object> out)
               throws Exception

Specified by:

encode in class io.netty.handler.codec.MessageToMessageEncoder<io.netty.buffer.ByteBuf>

Throws:

Exception