1 files changed, 0 insertions, 65 deletions
diff --git a/externals/gridflow/extra/server_2.rb b/externals/gridflow/extra/server_2.rb
deleted file mode 100644
index 4807d502..00000000
--- a/externals/gridflow/extra/server_2.rb
+++ /dev/null
@@ -1,65 +0,0 @@
-# a server program to connect 2 or more clients together.
-# by Mathieu Bouchard
-
-require "fcntl"
-require "socket"
-
-class IO
-  def nonblock=flag
-    bit = Fcntl::O_NONBLOCK
-    fcntl(Fcntl::F_SETFL, (fcntl(Fcntl::F_GETFL) & ~bit) |
-      if flag then bit else 0 end)
-  end
-  # does not work with any ruby version, due to a bug. see below.
-  def read_at_most n
-    s=""
-    k=1<<(Math.log(n)/Math.log(2)).to_i
-    while k>0
-      unless k+s.length>n
-        puts "trying #{k}"
-        (s << read(k)) rescue Errno::EWOULDBLOCK
-      end
-      k>>=1
-    end
-    s
-  end
-  # this one works but is slow.
-  def bugfree_read_at_most n
-    s=""
-    (s << (read 1) while s.length<n) rescue Errno::EWOULDBLOCK
-    s 
-  end
-end
-
-serv = TCPServer.new 4242
-socks = [serv]
-
-loop {
-  puts "waiting for connection (port 4242)"
-  begin
-    loop {
-      puts "waiting"
-      ready,blah,crap = IO.select socks, [], socks, 1
-      (ready||[]).each {|s|
-	if s==serv then
-          sock = serv.accept
-          sock.nonblock=true
-          socks << sock
-          puts "incoming connection (total: #{socks.length-1})"
-	else
-          other = socks.find_all{|x|not TCPServer===x} - [s]
-          stuff = s.bugfree_read_at_most 1024
-          p stuff
-          (s.close; socks.delete s) if not stuff or stuff.length==0
-          other.each {|x|
-            p x
-            x.write stuff
-          }
-        end
-      }
-    }
-  rescue Errno::EPIPE # Broken Pipe
-    puts "connection closed (by client)"
-    # it's ok, go back to waiting.
-  end
-}