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From: Stephen Hemminger <stephen@networkplumber.org>
To: Tomas Hozza <thozza@redhat.com>
Cc: Eric Dumazet <eric.dumazet@gmail.com>, netdev@vger.kernel.org
Subject: Re: SOCK_STREAM TCP: send() returns success even when other side responded with RST packet
Date: Tue, 19 Feb 2013 07:26:08 -0800	[thread overview]
Message-ID: <20130219072608.7a3a473e@samsung-9> (raw)
In-Reply-To: <2084007858.1889873.1361286562542.JavaMail.root@redhat.com>

> stack did not yet delivered the data.
> 
> I'm using TCP because it should guarantee that my data were delivered or
> let me know there was some problem. If this is not a bug, then it is at least
> confusing for TCP.
> 
> > To make sure data is delivered, you need additional logic.
> 
> To be honest I didn't find any way how to get notified there was a RST packet
> sent as a reply to my previously sent data.

TCP makes no end-to-end (application to application) guarantees.
Applications that need assurance need to do a request-reply at end of
transaction. You should get a good textbook like Stevens for more detail

  reply	other threads:[~2013-02-19 15:26 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <79866921.1777178.1361257053436.JavaMail.root@redhat.com>
2013-02-19  7:02 ` SOCK_STREAM TCP: send() returns success even when other side responded with RST packet Tomas Hozza
2013-02-19 14:51   ` Eric Dumazet
2013-02-19 15:09     ` Tomas Hozza
2013-02-19 15:26       ` Stephen Hemminger [this message]
2013-02-19 15:27       ` Eric Dumazet
2013-02-19 15:46         ` Tomas Hozza

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