[Top][All Lists]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: bash sockets: printf \x0a does TCP fragmentation

From: dirk+bash
Subject: Re: bash sockets: printf \x0a does TCP fragmentation
Date: Sat, 22 Sep 2018 12:57:20 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.0

On 9/22/18 12:30 PM, Ilkka Virta wrote:

> The coreutils printf seems to output 'foo\nbar\n' as a single write, though 
> (unless
> it goes to the terminal, so the usual stdio buffering), so you might be able 
> to use
> that.

thx. Might be not that portable but we'll see.

> In any case, if a TCP endpoint cares about getting full data packets within a 
> single
> segment, I'd say it's broken.

fully agree. But unfortunately it just comforts us :-)

Keep in mind that the purpose of the tool is testing and if due to a bug it 
can't do
that, were the ones being blamed or we need to do really strange workarounds to 
'\x0a' in the first 8 bytes.


reply via email to

[Prev in Thread] Current Thread [Next in Thread]