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Subject: Re: [Boost-users] [ASIO / Serialization] How to avoid the copy?
From: Andre Paim Lemos (andrepaim_at_[hidden])
Date: 2009-05-25 13:13:48


I think you can avoid the copy using
boost::iostreams::stream<boost::iostreams::array_source>
 instead of std::istringstream.

Take a look at boost::iostreams documentation for more information.

On Mon, May 25, 2009 at 11:53 AM, Dan Eaton <daniel.eaton_at_[hidden]>wrote:

> Hello,
>
>
>
> Referring to the boost::asio "Serialization" example, and specifically to
> the file connection.hpp which handles serialization over sockets:
>
>
> http://www.boost.org/doc/libs/1_37_0/doc/html/boost_asio/example/serialization/connection.hpp
>
>
>
> When new data is to be received, first the message header is read, which
> contains the number of bytes for the body. Storage must be allocated to
> receive the body, and is then passed into ::read as boost::asio::buffer. For
> the purpose of using Serialize, it must then be converted to an
> std::istream, (in the example above, istringstream). As shown in the
> example, this requires an extra copy to be held in memory for the
> std::string.
>
>
> What's the best route to avoid this copy?
>
>
>
> Thanks,
>
>
>
>
>
> *Dan Eaton
> *Software Developer
> *Acceleware Corp. **(TSX-V:AXE)* *www.acceleware.com*<http://www.acceleware.com/>
> **
>
>
>
> Phone: +1.403.249.9099 Ext.295
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> Email: daniel.eaton_at_[hidden]
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-- 
[]'s
Andre Paim Lemos


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