Stepan,

Can you simplify the test case and see if you can find a trigger cause?

E.g. use NULL instead of CURVE for that client?

-Pieter

On Thu, Apr 3, 2014 at 1:08 PM, Stepan Tezyunichev
<[email protected]> wrote:
> Hi all,
>
>
>
>
>
> I am experiencing problem with message delivery from Dealer (as client) to
> Router (as server).
>
> Dealer and Router are configured to use Curve.
>
> I am using ZMQ 4.0.3. Server is running on Centos x64. Client is running on
> Windows 7.
>
>
>
>
>
> Usually everything works OK. But eventually one client fails to deliver any
> message to server.
>
>
>
>
>
> Client invokes connect() on socket, sleeps for 5 seconds and sends 12
> identical messages
> (['Session']['']['StartSession']['7E60B46D-77BC-4E57-A8FC-D81C0C9076CD']).
>
> All incoming messages from Router are written to log file.
>
>
>
>
>
> From server application logs and tcpdump logs I see that ZAP attempt was
> successful:
>
>
>
> 2014-04-03T08:35:56.693Z +0000 Broker backend message:
> ['2']['AUTH']['^@*<E8><94>\']['']['9715451C-BB3F-48EA-88AC-8D5E15E598DD']['1.0']['1']['200']['OK']['']['']
>
> 2014-04-03T08:35:56.693Z +0000 Bind 9715451C-BB3F-48EA-88AC-8D5E15E598DD to
> worker 2
>
>
>
> 08:35:56.578731 IP 10.25.240.109.t2-brm > 10.25.240.17.7780: Flags [P.], seq
> 65:267, ack 65, win 8204, options [nop,nop,TS val 589638071 ecr 491306048],
> length 202
>
> @...HELLO........................................................
>
> 08:35:56.578749 IP 10.25.240.17.7780 > 10.25.240.109.t2-brm: Flags [.], ack
> 267, win 122, options [nop,nop,TS val 491306119 ecr 589638071], length 0
>
> .H..#%)....WELCOMEU.....l.G".b...^....T.........m.."...........]
>
> 08:35:56.660713 IP 10.25.240.109.t2-brm > 10.25.240.17.7780: Flags [P.], seq
> 267:604, ack 235, win 8193, options [nop,nop,TS val 589638152 ecr
> 491306120], length 337
>
> #%*..H..........H.INITIATE..7A....P......m..W.cm.y,.b..P
>
> 08:35:56.693264 IP 10.25.240.17.7780 > 10.25.240.109.t2-brm: Flags [P.], seq
> 235:302, ack 604, win 130, options [nop,nop,TS val 491306234 ecr 589638152],
> length 67
>
> .H..#%*..A.READY..........b........d&YF......S..
>
>
>
>
>
> And there are 12 client messages on server wire after 5 seconds:
>
>
>
> 08:36:01.395444 IP 10.25.240.109.t2-brm > 10.25.240.17.7780: Flags [P.], seq
> 604:874, ack 302, win 8192, options [nop,nop,TS val 589642822 ecr
> 491306234], length 270
>
> #%<F.H...(.MESSAGE4d277abfQ..@...$...r.TN..M~N.l...!.MESSAGE5d277abf....5.....*.nw....-.MESSAGE6d277abf.J....p....;[qJ.......BK..q.=.I.MESSAGE7d277abfc5.V.L....l
> \....5D..
>
>
>
>
>
> But there are no any messages from client in server application log. Other
> clients connected to the same router socket continue to work.
>
> Restart of client or server does not help.
>
>
>
>
>
> I am stuck with it. Any help is highly appreciated.
>
>
>
>
>
> Thanks a lot beforehand,
>
> Stepan.
>
>
>
>
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>
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