I looked at twisted briefly. It looks like it is server oriented. Does it work in for clients initiating connections?
Jean-Paul Calderone wrote: > On 16 Jun 2006 13:53:48 -0700, Peter Silva <[EMAIL PROTECTED]> wrote: > >Hi folks, > > > >I have a need in a network data distribution application to send out > >data to folks who want it using the protocol of their choice. I´d > >like it to support a variety of protocols and I don´t want to > >implement any of them :-) > >http, ftp (via ftplib) , https (dunno how yet), ssl, ssh, sftp (via > >paramiko) > > > >The thing is... I want rate-limiting so that in the case of a failure > >of a single client > >I don´t penalize the other clients, or if my server (which is acting > >as a client pushing to remote servers.) goes down, it doesn´t saturate > >the link when it comes back. > > > >So I want to have all the protocols limit the number of bytes they send > >per second. > >It looks like the easiest way to do this is to dive into socket.py... > >and look! it says: > > > ># Wrapper module for _socket, providing some additional facilities > ># implemented in Python. > > > >note the ´additional facilities implemented in python´ ... > > > >so we just add logic to: > >-- add a ´maxrate´ argument to the constructor and/or an attribute to > >modify the setting... > >-- tally bytes, and time, and know when we are going ´too fast´ > >-- when too fast.. in the ´flush´ routine, in the synchronous case, > >sleep for the correct time to come back under budget. in the async, > >return without writing. > > -- do something similar for reading. > > > > Anybody think this would be fun? > > Use Twisted instead. It supports every protocol you mentioned, and > rate limiting too. > > Jean-Paul -- http://mail.python.org/mailman/listinfo/python-list
