Re: Telnet Problems

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Dear Jan,

I've tested the telnet problem on 2.2.5 today.  The problem seems to be NOT
present in the following cases:

1.  When I ran the telnet client on the remote Win2k3 system that also
hosted the GnuGK.
2.  When I ran the telnet client on a remote CentOS 4.4 server which is also
hosted in the same data center as the GnuGK system (latency less than 1ms).

However, whenever I'm running the ! command from a system that has a latency
of around 350ms, there is a problem.  I've test on Windows 2000 and CentOS
4.4.  Same problem on both.  The client disconnects after getting some data.

Could you tell me why this is happening?

Regards
HASSAAN



----- Original Message ----- 
From: "Jan Willamowius" <jan@xxxxxxxxxxxxxx>
To: <openh323gk-users@xxxxxxxxxxxxxxxxxxxxx>
Sent: Sunday, January 21, 2007 08:12
Subject: Re:  Telnet Problems


> You could revert the implementation of USocket::WriteData() in
> yasocket.cxx back to the 2.2.4 version. If that works better, I could
> disable the chunking for Windows. It would be also good to know if you
> could reproduce the same problem on a Linux machine.
>
> I checked the changelog and we also have Doron's status port filtering
> new in 2.2.5. But that is disabled by default and is harder to revert
> for a test.
>
>
> Nyamul Hassaan wrote:
> > Hi Jan,
> >
> > You are right, my messages are huge.  Sometimes even close to 100 kb.  I
> > have written a small php utility which downloads the current calls from
the
> > GnuGK every 15 seconds, and this data can be viewed in an assorted
manner
> > (by routes and by source IPs).
> >
> > Although I use PHPs socket functions to do this, but the result is the
same
> > as using a regular telnet client from windows.
> >
> > Is there anything else that I should be looking into?
> >
> > Regards
> > HASSAAN
> >
> >
> >
> > ----- Original Message ----- 
> > From: "Jan Willamowius" <jan@xxxxxxxxxxxxxx>
> > To: <openh323gk-users@xxxxxxxxxxxxxxxxxxxxx>
> > Sent: Sunday, January 21, 2007 07:29
> > Subject: Re:  Telnet Problems
> >
> >
> > > Hi,
> > >
> > > in 2.2.5 big messages (greater 10 KB) are sent in chuncks and a small
> > > delay is added between them. This prevented data loss people were
> > > seeing on large messages. But it has been tested mostly on Unix.
> > >
> > > Are your messages > 10KB ? Maybe we have to disable this on Windows,
> > > but I wouldn't know why. I also tested with the MS Telnet client.
> > >
> > > Regards,
> > > Jan
> > >
> > > Nyamul Hassaan wrote:
> > > > Hi,
> > > >
> > > > There seems to be a problem with telnet status port messages in
version
> > 2.2.5.  Whenever I want to current calls list (! command), the telnet
> > session terminates in the middle, after some data has been received.
This
> > usually happens when there is a moderately higher call load (over 50
calls).
> > The same problem occassionaly happened during versions 2.2.2 and 2.2.3,
but
> > in 2.2.4 this was almost non-existent.
> > > >
> > > > Has there been a change in the way GnuGK sends packets over the
telnet
> > that is causing this?
> > > >
> > > > I'm using Microsoft Windows, so my telnet client is Microsoft Telnet
> > Client.
> > > >
> > > > Regards
> > > > HASSAAN
> > >
> > >
> > > -- 
> > > Jan Willamowius, jan@xxxxxxxxxxxxxx, http://www.gnugk.org/
> > >
> >
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>
> -- 
> Jan Willamowius, jan@xxxxxxxxxxxxxx, http://www.gnugk.org/
>
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