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From "Bill Barker" <>
Subject Re: AJP using APR
Date Thu, 09 Jun 2005 05:04:46 GMT

----- Original Message ----- 
From: "Remy Maucherat" <>
To: "Tomcat Developers List" <>
Sent: Tuesday, June 07, 2005 8:42 AM
Subject: AJP using APR

>I'd like to add my WIP code for AJP based on APR. It's not done yet, but it 
>would be convinient to have the code there, just in case. It won't be 
>compiled in or used (even if APR is available) for now, to avoid possible 

So, where is it already?  Some of use want to see how you can beat Costin 

>I used the package org.apache.coyote.ajp for it, and it reuses most of the 
>message code, parsing and composition from regular AJP. One of the issues 
>I'm facing, however, is that the usage of JNI will make the current code 
>subpar, where it would be a lot better to do message reading and writing 
>(this means composition of the messages to avoid useless bytes copying) 
>using direct buffers. So there's a lot of work left, and it will remain 
>experimental for a little while.

If I understand you correctly, you want MsgAjp to use ByteBuffer instead of 
byte [].  At the cost of never supporting JDK 1.3 ever again, this would 
probably actually improve the performance of ChannelSocket (after changing 
it to use a blocking SocketChannel).


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