[rabbitmq-discuss] Fwd: Debugging of Connection.class

[Pete Kay]

Hi Ben,

I found that in the readFrom function, input.readUnsignedByte() returns 1
and input.bytesAvailable returns 0 when it is called.  How come the Flex is
not getting any bytes back?

Does anyone have any idea why?

Thanks,
Anne

On Wed, Sep 3, 2008 at 2:18 AM, Ben Hood <0x6e6562 at gmail.com> wrote:

> ---------- Forwarded message ----------
> From: Ben Hood <0x6e6562 at gmail.com>
> Date: Tue, Sep 2, 2008 at 2:04 PM
> Subject: Re: [rabbitmq-discuss] Debugging of Connection.class
> To: Pete Kay <petedao at gmail.com>
> Cc: rabbitmq <rabbitmq-discuss at lists.rabbitmq.com>
>
>
>  Anne,
>
> On Tue, Sep 2, 2008 at 1:31 AM, Pete Kay <petedao at gmail.com> wrote:
> > The correct bytes were written to the delegate.writeByptes().
> >
> > Using ngrep, I see that the Flex client sends much less data to the
> server
> > than the Java Client:
> >
> >
> > ===========================Flex Client ===============================
> >
> > debian:/home/anne# ngrep  port 5672
> > interface: eth0 (192.168.1.0/255.255.255.0)
> > filter: (ip or ip6) and ( port 5672 )
> > ########
> > T 192.168.1.100:58513 -> 192.168.1.104:5672 [AP]
> >   AMQP....
> > ##
> > T 192.168.1.104:5672 -> 192.168.1.100:58513 [AP]
> >   ......
> > ...........productS....RabbitMQ.versionS....1.4.0.platformS....Erlan
> >   g/OTP.copyrightS...gCopyright (C) 2007-2008 LShift Ltd., Cohesive
> > Financial
> >    Technologies LLC., and Rabbit Technologies
> Ltd..informationS...5Licensed
> > u
> >   nder the MPL.  See http://www.rabbitmq.com/....PLAINAMQPLAIN....en_US.
> > #####
>
> So the broker is actually receiving the header. It then sends the
> client the Start command and waits for the client's response - in this
> case for a long time :-(
>
> OK, now you need to debug into the command exchange that creates an
> AMQP connection between the client and the broker. From the client's
> perspective, the flow looks like this:
>
> 1. Receive connection.Start
> 2. Send connection.StartOk
> 3. Receive connection.Tune
> 4. Send connection.TuneOk
> 5. Send connection.Open
> 6. Receive connection.OpenOk
>
> This is handled in the ConnectionStateHandler class, and the event
> handling in this class is fairly well documented.
>
> Look at the the onStart function.
>
> HTH,
>
> Ben
>
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