Hi Arno Garrels,
I looked over the code of "THttpCli" and if you do not have a connection
from localhost to localhost it may work... I expect this in particular cause
the read of Megabytes is done within split seconds, also if my program is
sleeping (for example on a breakpoint in Delphi).
The problem is that the read occures within miliseconds because
not have any latency. In the case of THttpCli ther there is a 1000ms
timer: I think
this is much too slow to prevent the reading of so many data
this small time, isn't it?
In my Client ICS Proxy software I have my own Message Loop, I don't juse
socket.MessageLoop but process the messages in .Execute of my Thread by
myself. If the problem would be the messages, then I would be able to ignore
them there... But the read is done if my Client sleeps (for example on a
breakpoint) or not! So I think the messages are not the problem... Maybe it
is a general Winsock problem about Async read? Is it possible to put a
into a Sync read?
Thanks in advance for any hints... I am completely frustrated about this
problem... I just wanted to implement Flowcontrol into my Application,
which I have developed over a month... And now I must search for a
completely new network framework and must begin from root? :-(
> Markus Mueller wrote:
>> it buffers sometime within 2-4 MByte before "socket.pause" does help,
>>> 3 Ghz Dualcore
>> seems to buffer also hunderts of MByte...
> procedure TCustomWSocket.Pause calls winsock API WSAAsyncSelect.
> It simply tells winsock to stop posting notification messages.
> "Although WSAAsyncSelect immediately disables event message posting
> for the socket in this instance, it is possible that messages could
> be waiting in the application message queue. Therefore, the application
> must be prepared to receive network event messages even after
> That's most likely what you observe, isn't it?
> BTW: The THttpCli component supports bandwidth control, search for
> Arno Garrels
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