Re: [Boost-users] [asio] continuous reads into streambuf

Subject: Re: [Boost-users] [asio] continuous reads into streambuf
From: Raymond Burkholder (ray_at_[hidden])
Date: 2018-05-25 12:49:45

On 05/25/2018 06:40 AM, Stephan Menzel via Boost-users wrote:
> On Fri, May 25, 2018 at 1:44 AM, Gavin Lambert via Boost-users 
> Looking at all my past failures with similar streambuf based approaches 
> I think it may very well be that I always had this mix of the two 
> operations. This should be prominently placed in the asio docs.

Would it be possible for you to post a modified snippet of your code 
showing your new way of doing things?

> 
> So, for anybody who comes across this, the key elements are:
> 
>  Â * You can re-use the same streambuf for many reads and writes as long 
> as you DO NOT MIX async_read() and async_read_until()
>  Â * streambuf.size() gives you the data available for extraction
>  Â * when extracting data, either read from streambuf.data() and then 
> consume() the data you have read or use a stream that does the consume 
> for you
>  Â * when writing data into it either write into buffers given by 
> prepare() and then call commit() or use a stream that does the commit 
> for you-- 
Raymond Burkholder
ray_at_[hidden]
https://blog.raymond.burkholder.net

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