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[SCTP-Discussion] Re: sctp-discussion Digest, Vol 22, Issue 8


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  • From: 岳利军 <yuelijun AT gmail.com>
  • To: sctp-discussion AT sctp.de
  • Subject: [SCTP-Discussion] Re: sctp-discussion Digest, Vol 22, Issue 8
  • Date: Tue, 27 Oct 2009 22:13:00 +0800
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Dear Thomas and Michael,
    I'm very appreciate for your help.
    Follow Thomas,I have tried to test the ext_close() by install sctplib-1.0.8/socketapi-2.2.0,and the problem didn't appear any more.perhaps it's  a bug of  sctplib-1.0.7.
    By the way,The latest versions of sctplib/socketapi is sctplib-1.08/socketapi-2.2.0 in www.sctp.de. I can't get the versions of sctplib-1.09/socketapi-2.2.1, because I can't get into the download page.
    Beacuse our project must used in many computers,even must in other company.so we want not always to make install kernel or open the services of SCTP in "setup".Thanks Michael's advice,Once our project's test is finish,we may be use a kernel implementation instead.
   Thank you again!
   
   best wishes!
   owen 
    
2009/10/27 <sctp-discussion-request AT sctp.de>
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Today's Topics:

  1. help:why? (???)
  2. Re: help:why? (Michael Tüxen)
  3. Re: help:why? (Thomas Dreibholz)


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Message: 1
Date: Mon, 26 Oct 2009 23:11:35 +0800
From: ??? <yuelijun AT gmail.com>
Subject: [SCTP-Discussion] help:why?
To: sctp-discussion AT sctp.de
Message-ID:
       <4b98286e0910260811q6b01e34dqe6ad6483e742c0a6 AT mail.gmail.com>
Content-Type: text/plain; charset="iso-8859-1"

Deal Thomas Dreibholz,
   I have sent  the modified program files to you, Can you help me to konwn
that why can't I close the connect fd?Thank you very much!!

best wishes!

owen
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Message: 2
Date: Mon, 26 Oct 2009 17:59:15 +0100
From: Michael Tüxen <Michael.Tuexen AT micmac.franken.de>
Subject: Re: [SCTP-Discussion] help:why?
To: ??? <yuelijun AT gmail.com>
Cc: sctp-discussion AT sctp.de
Message-ID: <B7EB29A4-512C-4776-B7DA-D7DC220F2FA7 AT micmac.franken.de>
Content-Type: text/plain; charset=utf-8; format=flowed; delsp=yes

Hi,

from a socket API perspective your close() is OK, it should succeed.
However, the setsockopt() call lateron should fail as well as the close
()
call in echo().

So I think it is a bug in the socketapilib.

Can't you use a kernel implementation? Redhat Linux supports SCTP, as
far as I know.

Best regards
Michael

On Oct 26, 2009, at 4:11 PM, 岳利军 wrote:

> Deal Thomas Dreibholz,
>     I have sent  the modified program files to you, Can you help me
> to konwn that why can't I close the connect fd?Thank you very much!!
>
> best wishes!
>
> owen _______________________________________________
> sctp-discussion mailing list
> sctp-discussion AT sctp.de
> http://www.sctp.de/mailman/listinfo/sctp-discussion



------------------------------

Message: 3
Date: Mon, 26 Oct 2009 20:33:50 +0100
From: Thomas Dreibholz <dreibh AT exp-math.uni-essen.de>
Subject: Re: [SCTP-Discussion] help:why?
To: sctp-discussion AT sctp.de
Cc: ??? <yuelijun AT gmail.com>
Message-ID: <200910262033.51992.dreibh AT exp-math.uni-essen.de>
Content-Type: text/plain; charset="utf-8"

On Montag, 26. Oktober 2009, 岳利军 wrote:
> Deal Thomas Dreibholz,
>     I have sent  the modified program files to you, Can you help me to
>  konwn that why can't I close the connect fd?Thank you very much!!

I cannot reproduce the ext_close() problem with the latest versions of
sctplib/socketapi. Try sctplib-1.0.9/socketapi-2.2.1 from http://tdrwww.exp-
math.uni-essen.de/dreibholz/rserpool/#Download .

Note, that you call ext_setsockopt() on "cfd", which is already closed.
Therefore, your program always fails with perror() -> exit(1).


Best regards
--
=======================================================================
 Dr. Thomas Dreibholz

 University of Duisburg-Essen,                   Room ES210
 Inst. for Experimental Mathematics              Ellernstraße 29
 Computer Networking Technology Group            D-45326 Essen/Germany
-----------------------------------------------------------------------
 E-Mail:     dreibh AT iem.uni-due.de
 Homepage:   http://www.iem.uni-due.de/~dreibh
=======================================================================
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End of sctp-discussion Digest, Vol 22, Issue 8
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