There is a number of connections limitation on Windows OS, there is a setting on registry. And closed ports don't be released immediately, so if you close and open too fast then you can reach the limit. The limit is different for OS versions.
Mon, 22 Feb 2010 09:34:11 +0200 tarihinde Leon Meyer <[email protected]> şöyle yazmış: > > I do apologise, I posted in HTML format before , below is the post in > plain > text. > > Best Regards > Leon > > > ________________________________ > > From: Leon Meyer [mailto:[email protected]] > Sent: Monday, February 22, 2010 7:33 AM > To: '[email protected]' > Subject: RE: Maximum number of listening ports > > > Hi > I did some further testing. It seems there there could be a limitation on > the number of sockets or connections made. > To speed up the failure result, I have setup a monitoring app that > checks if > the socket is open every 2 seconds(connects and disconnects). After 30 > minutes, I can no longer access the listening port, although Windows > netstat > command still shows the port as open. The rebol app fails with the > following > error: > ** Access Error: Cannot connect to listen port > ** Where: forever > ** Near: append output-ports first listen <kırpılmış> > Does it mean there is a problem with my rebol script or does my code not > release the every connection that is made. I have also noticed that the > memory usage for the rebol app is at 6Mb when it starts, but gradually > grows > over time to 15-20MB. > Thanks. > > Best Regards > Leon > > > > ________________________________ > > From: Leon Meyer [mailto:[email protected]] > Sent: Saturday, February 20, 2010 12:43 PM > To: '[email protected]' > Subject: Maximum number of listening ports > > > Hi > We have been using a rebol script for a while now. Its main function is > to > forwards a Multicast stream to any TCP listening ports. > The script works 100%, but if there are a large number of requests from a > remote PC to the listening port, the rebcore process seems to close the > listen port eventually. This could sometimes only happen after a couple > of > days. Is there a limit on: > - the duration of the listen port being open? > - the number of requests that could made by the ? > Script: > REBOL [ Title: "4550"] > mon-address: read make url! join "dns://" (read dns://) > inputmulticast: open/direct/binary udp://:6550 > set-modes inputmulticast [multicast-groups: copy > compose/deep[[239.2.0.81 > (mon-address)]] ] > listen: open/direct/binary/no-wait tcp://:4550 > output-ports: copy [] > forever [ > port: wait [listen inputmulticast] > case [ > port = listen [ > append output-ports first listen > ] > 'else [ > data: copy inputmulticast > foreach port output-ports [ > insert port data > ] > ] > ] > > Best Regards > Leon > > -- To unsubscribe from the list, just send an email to lists at rebol.com with unsubscribe as the subject.
