[jboss-jira] [JBoss JIRA] (JGRP-1771) Replace Exposed{Input, Output}Stream with ByteArray{Input, Output}Stream

[Bela Ban (JIRA)]

Bela Ban created JGRP-1771:
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             Summary: Replace Exposed{Input,Output}Stream with ByteArray{Input,Output}Stream
                 Key: JGRP-1771
                 URL: https://issues.jboss.org/browse/JGRP-1771
             Project: JGroups
          Issue Type: Enhancement
            Reporter: Bela Ban
            Assignee: Bela Ban
             Fix For: 3.5


Currently, when reading a message, we create an ExposedByteArrayInputStream and a DataInputStream on top of it. Then we read the message or message list off of the DataInputStream.
The problem is that DataInputStream creates an 80 byte buffer for every creation.
Same thing for sending a message or message list.

SOLUTION:
* Create a ByteArrayInputStream which implements DataInput and works by reading from the passed in byte array
** Eventually, when switching to NIO.2, use a ByteBufferInputStream which works off of NIO ByteBuffers instead of byte arrays
*** Possibly replace readFrom(DataInput) with readFrom(Buffer) where Buffer implements reading from an NIO ByteBuffer (and possibly also from a simple byte array). Ditto for sending.
* Similar solution for sending of messages / message lists

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