On Mar 28, 2010, at 07:32, Jon Robertson wrote:
> The TriggerSessionClosed (not sure the exact function without looking it up)
> was not "aware" that OnDataAvailable had already been called for the current
> data. It was only "aware" that there was data that had not been processed
> and the sock
On Mar 28, 2010, at 04:27, Markus Humm wrote:
> I never really understood why OnDataAvailable isn't called in a way
> which hinders such reetrancy problems. Isn't the Windows message which
> triggered it taken off the message queue by then? If not, why not?
The problem is that it is not just a m
In my scenario, OnDataAvailable wasn't called the second time because of the
message queue. The socket was being closed, and RcvdCnt > 0, so
OnDataAvailable was being called to handle the remaining data.
Since my first OnDataAvailable had not finished before the exception
occurred, the "metadata"
Hello,
I never really understood why OnDataAvailable isn't called in a way
which hinders such reetrancy problems. Isn't the Windows message which
triggered it taken off the message queue by then? If not, why not?
Greetings
Markus
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On Mar 27, 2010, at 17:34, Jon Robertson wrote:
> dZ: Perfect understanding. :)
The same happened to me a couple of years ago (as you point out in your
previous post). I couldn't fix it then and just made sure that I handle all
errors in my OnDataAvailable handler.
> While the exception in
dZ: Perfect understanding. :)
While the exception in #3 is the application's fault (my fault), I'm relying
on OnBgException to be triggered if an exception occurs inside my
OnDataAvailable event. Either I shouldn't do this and ICS users should put
their own exception handling inside OnDataAvail
On Mar 27, 2010, at 13:21, wilfried Mestdagh wrote:
> These are possible untested situations. It is possible to call Abort from
> within an event, but why should you call Abort if the session is closed?
I think that he means that if there is an exception in the OnDataAvailable
handler, and you
sts.org] Namens
Jon Robertson
Verzonden: vrijdag 26 maart 2010 9:03
Aan: ICS support mailing
Onderwerp: Re: [twsocket] InternalAbort causes OnDataAvailable *during* the
Abort call
On Fri, Mar 26, 2010 at 2:46 AM, Jon Robertson
wrote:
> In fact, OnDataAvailable has already been called with the exa
You won't be able to reproduce this. This is only occurring because I've
modified the exception handler in ASyncReceive to call
HandleBackGroundException, which in turn calls Abort. The version in SVN
does not call Abort when an exception occurs in ASyncReceive (or associated
event handlers).
I'
On Mar 26, 2010, at 04:02, Jon Robertson wrote:
> To clarify, OnDataAvailable has received complete data, say:
> help\n
>
> In processing that data, an exception occurs and TWSocket.Abort is called to
> abort the connection. Before .Abort returns, OnDataAvailable is called
> again, with the exa
On Fri, Mar 26, 2010 at 2:46 AM, Jon Robertson wrote:
> In fact, OnDataAvailable has already been called with the exact same data.
> If OnDataAvailable is called twice with the same data, but the data was only
> received once, I consider that a bug.
>
To clarify, OnDataAvailable has received comp
In my scenario, the data is "complete" because there are line end
characters.
In fact, OnDataAvailable has already been called with the exact same data.
If OnDataAvailable is called twice with the same data, but the data was only
received once, I consider that a bug.
Thanks
On Fri, Mar 26, 2010
Hi,
It is not a bug, it is by design. The data already received is delivered to
the application. The application can easy check if it is complete data by
checking the line end character(s).
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mvg, Wilfried
http://www.mestdagh.biz
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When using LineMode, I've determined that calling TCustomWSocket.Abort will
cause my OnDataAvailable event to fire *during* the call to Abort.
My dilemma is that Abort is being called during the handling of an
OnDataAvailable event. While that data is being handled, but before it is
completely ha
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