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From: Caleb Epstein (caleb.epstein_at_[hidden])
Date: 2004-12-29 10:10:17

On Wed, 29 Dec 2004 00:27:23 -0500, Jody Hagins
<jody-boost-011304_at_[hidden]> wrote:

> I think Scott is saying that operator>> is insufficient because it can
> not do a partial read of what is there... it wants to snarf all 4K.

I think at least one person here is mixing pickles and milk, as my old
Latin teacher used to say.

Firstly, the serialization library doesn't use operator>> or
operator<< at all. If you're using these operators on some sort of
socket iostream and you don't want blocking to occur, thats your first

When reading/writing data with sockets, its up to you to use an
appropriate protocol that can detect "message" boundaries so you know
when you have a complete block of data to work with. See for example
the BEEP protocol ( for a nice specification and

Don't tightly couple this communications layer to the application
layer. The two layers should just pass "complete" blocks of data
(e.g. serialized objects) between each other.

Caleb Epstein
caleb dot epstein at gmail dot com

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