an update.
It should not change anything but when I set logging of SSL with the
parameter loSSLinfo the problem is greatly reduced ... but not eliminated
Developing in Delphi 7 and ics v7
- Original Message -
From: Gabriele S. gabriel...@intrapresa-it.it
To: twsocket@elists.org
Sent: Wednesday, July 18, 2012 10:43 AM
Subject: [SPAM] [twsocket] SSL Server problem with network congestion
I have a problem with the component TSslWSocketServer and a comuincation
with more clients(socket developed in C++).
I used the demo SSLSimpleServer for the connection and handshake SSLV3 and
certificate self signed with authentication server side and it work fine.
When a client connect I run a thread with DataAvailable and more function.
The problem is the send data (string or byte) in this thread.
I use this code in the thriggered function where Client is TWSocketClient
and the ClientClass on SSLServer is TSslWSocketClient
self.Client.SendStr(buff);
sleep(100);
while not self.Client.AllSent do
begin
Appendlog('','thread ' + inttostr(nthread) + '
waiting');
inc(a);
sleep(400);
if a 10 then
begin
Appendlog('','thread ' + inttostr(nthread) + '
ERROR SEND);
break;
end;
end;
This work fine but if the network is congested the comunication RANDOM not
work(1 time of 10). The server buffer is not empty and AllSent is ever
false.
I tryed to flush the object Client (Client.flush) and send again the data
but not work, AllSent is again ever false.
For restart the comunication I need to close the connection and reconnect
with ssl.
The client not receive nothing and get a timeout.
All this only if network is used or congested.
The object does not return any error on events.
I just tryed every configuration in the TWSocketClient (Keepalive,
buffersize ...)
Sorry form my very bad english :)
Gabriele
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