> connection thing correctly tells me there is something wrong.  
> The real question is still what?

I don't know. I don't see anything obvious.

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----- Original Message ----- 
From: "John Dammeyer" <[EMAIL PROTECTED]>
To: "'ICS support mailing'" <[email protected]>
Sent: Wednesday, October 12, 2005 10:44 PM
Subject: Re: [twsocket] Error 10048 in TWSocket


> Hi Francois,
> 
> Probably am.  
> 
> Thing is,  the server is ultimately going to be written in GCC running on
> Redhat 6.2 Linux.  Since this appears to be a server issue perhaps it will
> go away then.  But the fact that the two windows applications don't do the
> connection thing correctly tells me there is something wrong.  The real
> question is still what?
> 
> Thanks,
> 
> John Dammeyer
> 
> 
> 
> > 
> > Why don't you use TWSocketServer ?
> > Are you reinventing the wheel ?
> > 
> > --
> > [EMAIL PROTECTED]
> > http://www.overbyte.be
> > 
> > ----- Original Message ----- 
> > From: "John Dammeyer" <[EMAIL PROTECTED]>
> > To: "'ICS support mailing'" <[email protected]>
> > Sent: Wednesday, October 12, 2005 8:00 PM
> > Subject: [twsocket] Error 10048 in TWSocket
> > 
> > 
> > > Hi all,
> > >
> > > I have a server and a client.  The Server application is 
> > started and does
> > > the following:
> > >
> > >    SrvSocket.Proto   := 'tcp';
> > >    SrvSocket.Addr    := '0.0.0.0';   // Use any interface
> > >    SrvSocket.Port    := '4000';    // Wait on this port.
> > >    SrvSocket.Listen;                 // Start listening for client
> > >
> > > I then start up the client which does this:
> > >
> > >    CliSocket.Proto    := 'tcp';
> > >    CliSocket.Addr     := HostnameEdit.Text;
> > >    CliSocket.Port     := '4000';
> > >    CliSocket.LocalPort  := '4001';
> > >    CliSocket.Connect;
> > >
> > > So far so good.  When the connection is established the 
> > server shows this:
> > >
> > >    { We need to accept the client connection }
> > >    NewHSocket := SrvSocket.Accept;
> > >
> > >    { And then associate this connection with our client socket }
> > >    CliSocket.Dup(NewHSocket);
> > >
> > >    { Wants to know who is connected to display on screen }
> > >    CliSocket.GetPeerName(PeerName, Sizeof(PeerName));
> > >
> > >    { User likes to see internet address in dot notation }
> > >    Peer := IntToStr(ord(PeerName.sin_addr.S_un_b.s_b1)) + '.' +
> > >            IntToStr(ord(PeerName.sin_addr.S_un_b.s_b2)) + '.' +
> > >            IntToStr(ord(PeerName.sin_addr.S_un_b.s_b3)) + '.' +
> > >            IntToStr(ord(PeerName.sin_addr.S_un_b.s_b4));
> > >    InfoLabel.Caption := 'Remote ' + Peer + ' connected. Port:' +
> > >    CliSocket.GetPeerPort;
> > >
> > > And then the Server can send information to the client.
> > >
> > >    m.Attrib := REVERSE_TEXT;
> > >    m.Cmd := ATTRTEXT_CMD;
> > >    CliSocket.Send(@m,sizeof(m));
> > >
> > > The problem come with disconnecting and reconnecting.
> > > If I disconnect the server first by:
> > >
> > >    { Server Application: Shutdown Server }
> > >    CliSocket.ShutDown(SD_BOTH);              { Shut the 
> > communication down
> > > }
> > >    CliSocket.Close;                          { Close the 
> > communication
> > > }
> > >    SrvSocket.ShutDown(SD_BOTH);              { Shut the 
> > communication down
> > > }
> > >    SrvSocket.Close;                          { Close the 
> > communication
> > > }
> > >
> > > And then shut down the client:
> > >
> > >    { Client Application: Shut down client }
> > >    CliSocket.ShutDown(SD_BOTH);              { Shut the 
> > communication down
> > > }
> > >    CliSocket.Close;
> > >
> > > I can easily reconnect without problems.
> > >
> > > However if I run the Client shutdown code first (or 
> > terminate the client
> > > application and restart) and shutdown the server code last, 
> >  I get the 
> > > Error
> > > 10048 which is 'Port in use'.  That implies (since the 
> > client application 
> > > is
> > > terminated and restarted), that the server application 
> > seems to be hanging
> > > onto the port.
> > >
> > > How do I code it so either side can 'crash', be rebooted or just 
> > > disconnect
> > > and reconnect?
> > >
> > > Thanks,
> > >
> > > John Dammeyer
> > >
> > > -- 
> > > To unsubscribe or change your settings for TWSocket mailing list
> > > please goto http://www.elists.org/mailman/listinfo/twsocket
> > > Visit our website at http://www.overbyte.be 
> > 
> > -- 
> > To unsubscribe or change your settings for TWSocket mailing list
> > please goto http://www.elists.org/mailman/listinfo/twsocket
> > Visit our website at http://www.overbyte.be
> > 
> > 
> 
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