Re: [Quickfixj-users] Missing ack when logon initiator is sequence reset acceptor...

[Steve B. <st...@te...>]

Hi Oren,

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Very interesting. I didn't realize the initiator and acceptor could =
exchange
roles for sequence reset purposes. Does the C++ Session implementation
handle this scenario? The only place I see a logon being ack'ed is =
guarded
by

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  if (!m_state.initiate() || (m_state.sentReset() &&
!m_state.receivedReset())) {

    . . .

        generateLogon( logon );

  }

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In the scenario we're discussing, the original logon initiator session =
is
receiving a logon for sequence reset purposes (it becomes the sequence =
reset
"acceptor"). The logon initiator session will do the sequence number =
reset,
but since it is not the logon acceptor and it didn't send the reset =
request
it appears that a logon ack will not be sent. Is that accurate? Is there =
an
acceptance test for the correct behavior?

=20

Steve

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=20

  _____ =20

From: qui...@li...
[mailto:qui...@li...] On Behalf Of Oren
Miller
Sent: Monday, February 26, 2007 3:35 PM
To: qui...@li...
Subject: Re: [Quickfixj-users] [Fwd: quickfixj-users]

=20

=20

Yes, this is the excerpt from the spec.

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"One side will initiate the process by sending a TestRequest and wait =
for a=20

Heartbeat in response to ensure of no sequence number gaps. Once the
Heartbeat has been received, the=20

initiator should send a Logon with ResetSeqNumFlag set to Y and with
MsgSeqNum of 1. The acceptor=20

should respond with a Logon with ResetSeqNumFlag set to Y and with =
MsgSeqNum
of 1. At this point=20

new messages from either side should continue with MsgSeqNum of 2. It =
should
be noted that once the=20

initiator sends the Logon with the ResetSeqNumFlag set, the acceptor =
must
obey this request and the=20

message with the last sequence number transmitted =13yesterday=14 may no =
longer
be available. The=20

connection should be shutdown and manual intervention taken if this =
process
is initiated but not followed=20

properly. "

=20

On Feb 26, 2007, at 1:31 PM, st...@te... wrote:





QuickFIX/J Documentation: http://www.quickfixj.org/documentation/

QuickFIX/J Support: http://www.quickfixj.org/support/

Is the initiator expected to ack the unsolicited logon used for

reset purpose?

=20

QuickFIX/J Documentation: http://www.quickfixj.org/documentation/

QuickFIX/J Support: http://www.quickfixj.org/support/

It is in fact legal to send a logon message with the reset field set

to Y at anytime.

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--oren

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On Feb 26, 2007, at 7:40 AM, Steve Bate wrote:

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QuickFIX/J Documentation: http://www.quickfixj.org/documentation/

QuickFIX/J Support: http://www.quickfixj.org/support/

Hi Dasun,

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This sounds like nonstandard FIX behavior on the part of the exchange.

Is this an encrypted session that needs some form of multistage logon

negotiation (which QuickFIX(/J) does not support)? If not, I don't

know

why the exchange would be sending a second logon acknowledgement or

why

they'd expect the initiator to respond to it. Which exchange is this?

=20

Steve

=20

=20

-----Original Message-----

From: qui...@li...

[mailto:quickfixj-

use...@li...] On Behalf Of da...@mu...

Sent: Monday, February 26, 2007 8:29 AM

To: qui...@li...

Subject: [Quickfixj-users] [Fwd: quickfixj-users]

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QuickFIX/J Documentation: http://www.quickfixj.org/documentation/

QuickFIX/J Support: http://www.quickfixj.org/support/

=20

=20

Hi,

I have a senario whcih I am faced with an exchnage. I send the login

request (35=3DA) and I get the response(35=3DA) back as usual. Then

just after

that response I get another message (35=3DA) with 141=3DY. My quick fix

doesn't send a reply to that. (According to exchnage I need to send

another 35=3DA with 141=3DY). and then after some time exchnage logout

from

the session.

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How can I do this in QuickFIX/J (I am on v1.0)

will upgrading to 1.0.5 solve this issue?

=20

best regards,

=20

Dasun Perera

=20

=20

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