Package org.drasyl.handler.stream

Class MessageChunksBuffer

java.lang.Object

io.netty.channel.ChannelHandlerAdapter

io.netty.channel.ChannelInboundHandlerAdapter

io.netty.handler.codec.MessageToMessageDecoder<MessageChunk>

org.drasyl.handler.stream.MessageChunksBuffer

All Implemented Interfaces:

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

public class MessageChunksBuffer
extends io.netty.handler.codec.MessageToMessageDecoder<MessageChunk>

Buffers until all MessageChunks belonging to the same message have been collected, then passes them in the correct order.

See Also:

ChunkedMessageInput

Nested Class Summary

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

io.netty.channel.ChannelHandler.Sharable

Constructor Summary

Constructors

Constructor	Description
MessageChunksBuffer(int maxContentLength, int allChunksTimeout, int maxChunks)	Creates a new instance.

Method Summary

Modifier and Type	Method	Description
protected void	decode(io.netty.channel.ChannelHandlerContext ctx, MessageChunk msg, List<Object> out)

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

acceptInboundMessage, channelRead

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

MessageChunksBuffer

public MessageChunksBuffer(int maxContentLength,
                           int allChunksTimeout,
                           int maxChunks)

Creates a new instance.

Parameters:

maxContentLength - the maximum cumulative length of the aggregated message. If the length of the buffered content exceeds this value, a {@link TooLongFrameException)} will be thrown.

allChunksTimeout - time in milliseconds after receiving the first chunk to wait for remaining chunks. Upon timeout, received chunks will be discarded. A value of 0 deactivates the timeout function.

maxChunks - maximum number of chunks to collect. If the more chunks are required to aggregate the message, all chunks will be discarded.

Method Detail

decode

protected void decode(io.netty.channel.ChannelHandlerContext ctx,
                      MessageChunk msg,
                      List<Object> out)
               throws Exception

Specified by:

decode in class io.netty.handler.codec.MessageToMessageDecoder<MessageChunk>

Throws:

Exception