[Interest] Very interesting problem with TCP sockets

[Igor Mironchik]

Hi,

seems that with Qt all is OK.

Look at the pcap file...

-----Original Message----- 
From: Thiago Macieira
Sent: Monday, September 01, 2014 9:54 AM
To: interest at qt-project.org
Subject: Re: [Interest] Very interesting problem with TCP sockets

On Monday 01 September 2014 09:37:12 Igor Mironchik wrote:
> Hi guys,
>
> I was trying to connect Qt TCP Socket with Boost Asio TCP socket.
>
> And what I found. Qt writes simple 12 bytes message to the Boost and in 
> most
> situations Boost reads garbage. Even more Boost can crash.
>
> And my question is: who is so bad guy, Boost or Qt?

Anything that crashes is at fault for certain.

> You can find simple implementation of the problem in the attachment. 
> Thanks.

Please don't derive from QTcpSocket. That's bad practice.

Anyway, please use a traffic sniffer and tell us whether those 12 bytes are
written and whether any garbage is sent.

-- 
Thiago Macieira - thiago.macieira (AT) intel.com
  Software Architect - Intel Open Source Technology Center

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