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Re: [SCTP-Discussion] A question about sctp


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  • From: Michael Tüxen <Michael.Tuexen AT micmac.franken.de>
  • To: "kc9518" <kc9518 AT cnic.cn>
  • Cc: discussion <discussion AT sctp.de>
  • Subject: Re: [SCTP-Discussion] A question about sctp
  • Date: Mon, 24 Jan 2011 08:23:22 +0100
  • List-archive: <http://lists.franken.de/pipermail/sctp-discussion>
  • List-id: SCTP Discussions <sctp-discussion.sctp.de>
On Jan 24, 2011, at 2:44 AM, kc9518 wrote:

> Dear Sir:
> Now I run the server and terminal5 in different host.
> I run echoserver in 192.168.22.115 with ./echo_server -i and terminal5
> in 192.168.22.116 with ./terminal5 -d 192.168.22.115 -i , then I got a
> error report "sctp_receiveUnsent: unknown value (-5) returned."
> Could you give me some advice?
I assume that you run them as root...
Do you see any packets on the wire? You can use Wireshark for analyzing
them...

Best regards
Michael
> Thank you
>
> 2011-01-24
> kc9518
> 发件人： Michael Tuexen
> 发送时间： 2011-01-18 17:06:33
> 收件人： kc9518
> 抄送： discussion; ajung
> 主题： Re: [SCTP-Discussion] A question about sctp
> Are you runing client and server on the same host?
> Best regards
> Michael
>
> Sent from my iPhone
>
> On Jan 18, 2011, at 7:35, "kc9518"
> <kc9518 AT cnic.cn>
> wrote:
>
>> Dear Sir:
>> Thank you for your advice!
>> My OS is CentOS5.4.
>> I change the sctplib with version 1.0.9 , now the echo_server is working
>> fine.But there is a error report when I run the
>> http://www.student.nada.kth.se/~u1djajou/SCTP/terminal5.c
>> andhttp://www.student.nada.kth.se/~u1djajou/SCTP/terminal6.c , I run it
>> using follow steps:
>> 1 copy terminal5.c to prgrams path (sctplib-1.0.9/sctplib/programs /)
>> 2 compile terminal5.c with command "gcc terminal5.c sctp_wrapper.c -o
>> terminal5 -L/usr/local/lib -lsctplib"
>> 3 ./terminal5 192.168.22.116 -i (192.168.22.116 is echo_server's ip)
>> then I get a error report
>> "sctp_send: internal error !
>> Floating point exception"
>>
>> when I run the terminal6.c follow the same steps, I get a error
>> report
>> "sctp_associate: an error occured.
>> sctp_associate: an error occured.
>> sctp_associate: an error occured.
>> sctp_associate: an error occured.
>> sctp_associate: an error occured.
>> sctp_associate: an error occured.
>> sctp_associate: an error occured."
>> Could you give me some advice?
>> Thank you
>>
>> 2011-01-18
>> kc9518
>> 发件人： Michael_T黿en
>> 发送时间： 2011-01-17 17:01:28
>> 收件人： kc9518
>> 抄送： discussion
>> 主题： Re: [SCTP-Discussion] A question about sctp
>> On Jan 16, 2011, at 8:21 AM, kc9518 wrote:
>> > Dear Sir:
>> >
>> > I'm very interested in the SCTP example codes you provided in your SCTP
>> > –performance and security as follows:
>> >
>> > Test 3 & 4
>> > Client (multiple streams) -
>> > http://www.student.nada.kth.se/~u1djajou/SCTP/terminal5.c
>> > Client (multiple assoc) -
>> > http://www.student.nada.kth.se/~u1djajou/SCTP/terminal6.c
>> > Server - http://www.student.nada.kth.se/~u1djajou/SCTP/echo_server.c
>> >
>> > I compiled the echo_server.c, all is ok.But when I run it, there is a
>> > error report as
>> > ' Error Info: 13:26:59.782 - setsockopt: IPV6_PKTINFO failed ' .
>> >
>> > I traced the error, and find that it is reported from the adaptation.c
>> > in sctplib (the version is 1.0.4). So I recompiled the sctplib use under
>> > command:
>> > ./configure --disable-ipv6
>> > make
>> >
>> > But there is another error: adaptation.c:3216: error: 'union sockunion'
>> > has no member named 'sin6'
>> > Could you give me some advice?
>> Please retest with the latest version:
>> http://www.sctp.de/download/sctplib-1.0.9.tar.gz
>> Which OS are you using?
>> Best regards
>> Michael
>> >
>> > Thank you.
>> >
>> > 2011-01-16
>> > kc9518
>> > _______________________________________________
>> > sctp-discussion mailing list
>> > sctp-discussion AT sctp.de
>> > http://www.sctp.de/mailman/listinfo/sctp-discussion
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