From: Ernest Ellingson <erne@...>
Date: 2001-01-10T08:10:37+09:00
Subject: [ruby-talk:8966] Re: sockaddr

Thanks,
I tried cheating while I was looking around.  I opened a TCPSocket, used 
getpeername which returns the sockaddr of the other side of the the 
TCPSocket.  Used that for connection. eg:
x=TCPSocket.new('localhost',81)
z=x.getpeername
x.close
...
At 06:49 1/10/2001 +0900, you wrote:
>Ernest Ellingson <erne@powernav.com> writes:
>
> > Does anyone know where I can find an example of building a sockaddr
> > structure and mapping it to an opaque binary string.  I know I should be
> > using a higher level socket class but the server I'm talking to drops the
> > connection immediately after I do a puts on a TCPsocket.  I want to do a
> > put on the socket and then remain connected, indefinitely for information
> > from the server.  I've seen an example of this in Python and in Perl.  It
> > looks like I have to create a new Socket object.  The connect requires a
> > socaddr structure contained in a string.
>
>Have a look at ruby-talk:8634. Basically it looks like
>
>     sock = Socket.open(Socket::AF_INET, Socket::SOCK_STREAM, 0)
>     n = Socket.gethostname("localhost")
>     sockaddr = [Socket::AF_INET, 3456, n[3], 0, 0].pack("snA4NN")
>     sock.bind(sockaddr)
>
>
>Regards
>
>
>Dave