From: Joe Van Dyk <joevandyk@...>
Date: 2005-07-01T06:14:31+09:00
Subject: Re: stupid TCP

On 6/30/05, Joe Van Dyk <joevandyk@gmail.com> wrote:
> On 6/30/05, Joe Van Dyk <joevandyk@gmail.com> wrote:
> > require 'socket'
> >
> > tcp_server = TCPServer.new 'localhost', 4321
> >
> > puts "connecting..."
> > tcp_client = TCPSocket.new 'localhost', 4321
> > tcp_client.write "Hello World"
> > puts "finshed writing"
> >
> > session = tcp_server.accept
> > puts "we recieved: <#{session.gets}>"
> >
> >
> >
> > Why doesn't that work?
> 
> Or, a threaded version:
> 
> require 'socket'
> 
> t = Thread.new do
>   tcp_server = TCPServer.new 'localhost', 4321
>   while (session = tcp_server.accept)
>     puts "we recieved: <#{session.gets}>"
>   end
> end
> 
> tcp_client = TCPSocket.new 'localhost', 4321
> tcp_client.write "Hello World"
> 
> t.join
> 
> Still doesn't work though.  :(  What am I missing?

Aha.  I'm guessing it has something to do with not sending the data
immediately.  If I do

tcp_client.close

Then the data gets sent.  But I don't want to close the socket.  And
I'm not seeing anything (yet) that would let me immediately send (I
tried IO#flush) the data over the socket.