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version 1.1, 2000/01/02 07:32:12

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%%$OpenXM$

%%$OpenXM: OpenXM/doc/issac2000/ox-messages.tex,v 1.1 2000/01/02 07:32:12 takayama Exp $

\section{OX messages} (Ohara)

Line 34 We have the following main tags for the OX messages.

New OX tags may be added.

The new tag should be classified into DATA or COMMAND.

For example, \verb+ OX_DATA_ASIR_BINARY + was added a few month ago

For example, \verb+ OX_DATA_ASIR_LOCAL_BINARY + was added a few month ago

to send internal serialized objects of asir via OpenXM protocol.

to send internal serialized objects of asir via the OpenXM protocol.

This is a tag classifed to DATA.

See the home page of OpenXM to add a new tag.

Line 46 In OpenXM, a distributed computation is done as follow

\item The client requests to send data to the server.

\item The server sends the data to the client and the client gets the data.

\end{enumerate}

The server is a stack machine.

The server is a stackmachine.

That is OX data message sent by the client

That is {\it OX data} message sent by the client

are pushed to the stack of the server.

If the server gets a OX command message, then the data are

If the server gets an {\it OX command} message, then the data are

popped form the stack and they are used as arguments of a function call.

For example, the asir command

\verb+ ox_push_cmo(P,1) +

\verb+ ox_push_cmo(P,1) + (push integer $1$ to the server P)

sends an OX data message

(OX\_DATA,(CMO\_ZZ,1)) to the server $P$.

Here,

OX\_DATA stands for OX\_DATA header and

(CMO\_ZZ,1) is a body standing for $1$ expressed in CMO data encoding format.

(CMO\_ZZ,1) is a body standing for $1$ expressed

in the CMO data encoding format.