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Re: PMCD-to-client Protocol Spec

To: Mike Werner <mtw@xxxxxxxxxxxxxx>
Subject: Re: PMCD-to-client Protocol Spec
From: Stephen Przepiora <sprzepiora@xxxxxxxxx>
Date: Fri, 1 Apr 2005 20:27:32 -0500
Cc: kenmcd@xxxxxxxxxxxxxxxxx, markgw@xxxxxxx, pcp@xxxxxxxxxxx
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Have you tried JNI? I have the beginnings of a JNI implementation, but stopped because I needed to use it in a threaded enviroment. I am currently reworking how the application will run.

Steve

On Apr 1, 2005 11:55 AM, Mike Werner <mtw@xxxxxxxxxxxxxx> wrote:
Hi Ken & Mark

Thanks for the helpful info.

Ken - as to why: I'm exploring some hairbrained ideas
for using pcp data without C, e.g. Java. Do you know
of any ports for alternate languages?

- mtw

   kenmcd@xxxxxxxxxxxxxxxxx wrote on Fri, Apr 01, 2005 at 12:15:11PM +1000

   On Thu, 31 Mar 2005, Mike Werner wrote:

   > PCP Team,
   >
   > Is there a specification (ASN.1 or otherwise) of the
   > PMCD-to-client protocol, which I might obtain?

   I can assure you it is _not_ ASN.1 ... PCP is for analyzing performance
   problems, not creating them ... 8^)>

   The message protocol and format is not a secret

        pminfo -D pdu -v

   will dump out the messages flowing in both directions between the
   client and pmcd.

   We don't have any documentation beyond that ... but more to the point
   I'm kinda curious as to why you're interested in this, as the only
   sensible way to use the infrastructure is via libpcp and there is
   detailed documentation available on that API.

   Roughly, each libpcp call maps onto 1 sent message and 1 received message.


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