Re: [twsocket] TWSocket closing after every transactionwithexternal HTTP server

2012-04-05 Thread robertoschler
Hello Arno, Yes it is looking like I'll need to walk the user through using a packet sniffer. The external devices are all the exact same with some variations in the firmware. However, all the responses I've collected so far from different users show in their response headers support for HTTP

Re: [twsocket] TWSocket closing after every transactionwithexternal HTTP server

2012-04-05 Thread Arno Garrels
robertoschler wrote: > Hello Arno, > >> Sending the Keep-Alive header line doesn't guarantee a HTTP >> server keeps the connection alive. > > True but in this case the external device is the same for all users. > It's a mobile web cam, same model and same firmware. That's whey I'm > wondering i

Re: [twsocket] TWSocket closing after every transaction withexternal HTTP server

2012-04-05 Thread Dod
Hello, Which webcam model ? how many users are connected at same time on it ? is there one or mutiples cameras ? r> Hello Arno, >> Sending the Keep-Alive header line doesn't guarantee a HTTP >> server keeps the connection alive. r> True but in this case the external device is the same for all

Re: [twsocket] TWSocket closing after every transaction withexternal HTTP server

2012-04-05 Thread robertoschler
Hello Arno, > Sending the Keep-Alive header line doesn't guarantee a HTTP > server keeps the connection alive. True but in this case the external device is the same for all users. It's a mobile web cam, same model and same firmware. That's whey I'm wondering if it's an O/S issue. Robert.

Re: [twsocket] TWSocket closing after every transaction withexternal HTTP server

2012-04-05 Thread Arno Garrels
robertoschler wrote: > I know the socket is closed because the TWSocket OnSessionClosed() > event fires. There are no proxies because the external device is on > the Intranet (same router and network) as the PC. It's a local peer > connection. Sending the Keep-Alive header line doesn't guarante

Re: [twsocket] TWSocket closing after every transaction with external HTTP server

2012-04-05 Thread robertoschler
Hello Dod, I know the socket is closed because the TWSocket OnSessionClosed() event fires. There are no proxies because the external device is on the Intranet (same router and network) as the PC. It's a local peer connection. Robert. --- On Thu, 4/5/12, Dod wrote: > From: Dod > Subject: R

Re: [twsocket] TWSocket closing after every transaction with external HTTP server

2012-04-05 Thread Dod
Hello, How do you now socket has been closed ? have you done some tcpdump compare between wroking and non-working system ? May be some users are going out thru a proxy that remove the keep-alive ? regards. r> Hello, r> I have a Delphi 6 application that talks to an external device that acts as

[twsocket] TWSocket closing after every transaction with external HTTP server

2012-04-05 Thread robertoschler
Hello, I have a Delphi 6 application that talks to an external device that acts as an HTTP server. I am using the ICS TWSocket components for this application. I open up a socket to talk to the device and handle the necessary header and body crafting to talk to the server. In other words, I am

Re: [twsocket] Should next ICS version support anything before Delphi XE ?

2012-04-05 Thread Info2004
Hi, I have some old projects on D2006 that get tweaked from time to time. Using V6? No major new development. Anything new is now using XE. ...Andy On 28/03/2012 19:59, François Piette wrote: Hi ! I’m planning the next ICS version… Being unable to use any features added to Delphi in the