On Wednesday, September 12, 2012 12:01:58 PM UTC-4, Miki Tebeka wrote: > Greetings, > > I'm trying to write a reverse TCP proxy using epoll (just for learning). > > I've started with the code at http://scotdoyle.com/python-epoll-howto.html > and got to https://gist.github.com/3707665. > > > However, I can't create a new connection. When reaching line 34 > (backend.connect), I get the following error (on line 34): > > socket.error: [Errno 115] Operation now in progress >
You cannot synchronously set up a new TCP connection using a non-blocking socket. Instead, you begin the connection attempt and it fails with EINPROGRESS and then you use epoll to find out when the attempt completes. I suggest reading the implementation of a Twisted reactor to see an example of how this is done. Here are a couple links to get you started: http://twistedmatrix.com/trac/browser/trunk/twisted/internet/tcp.py http://twistedmatrix.com/trac/browser/trunk/twisted/internet/epollreactor.py Jean-Paul > > > I tried moving the socket creation to a different thread, but same problem. > > Any ideas how to so fix this? (keep in mind I'm a total newbie in this area). > > > > Thanks, > > -- > > Miki -- http://mail.python.org/mailman/listinfo/python-list
