On May 16, 7:16 am, Laszlo Nagy <[EMAIL PROTECTED]> wrote: > Hi All,
Hello, :-) > > I'm trying to write a multi threaded TPC server. I have used xmlrpc How exactly did you come to the conclusion that your server must be multi threaded ? > - I have to send larger amounts of data, the overhead of converting to > XML and parsing XML back would be too much pain - What's the expected amount of data you have to transfer ? - What's the expected network bandwidth ? - What's the expected acceptable transfer time ? - How many users are expected to be transfering data at the same time ? > I have looked at various solutions including: > > - PyOrbit - too heavy weight > - Pyro - uses pickle, I do not trust it Did you consider gzipping your XML (or YAML) packets ? Would the transfer time be acceptable in this case ? > > BTW I do not care about the clients - they must trust the server side. Oh, he said he _doesn't care about the clients_ ! ;-) > In contrast, the server should not receive anything from the clients > that is dangerous. I would like to use something that is fast, and can > only transfer data, not code. For this reason I think I cannot use the > marshal module because it is able to marshal code objects. I think I'm > going to implement my own "pickler" over xdrlib, that will only > pack/unpack data, NOT code. (It would also have the advantage that > others could write clients in different languages.) In general I would avoid that. Try to better estimate the speed requirements, to see if you really need do to this. > > Before I start re-inventing the wheel: > > - Is there another (already existing) higher level framework that I can > try? It should be safe and fast, that is the only restriction. There's "Twisted". http://twistedmatrix.com/projects/core/documentation/howto/servers.html > - Do you think that it is a good idea to use xdrlib? I haven't seen > projects using it directly. For me it is like the rotor module was - it It's probably the best way to send binary stuff over the network. But, again, I would avoid doing so. > was there but almost nobody used it. There might be a better lower level > library which I don't know of. > > Thank you, > > Laszlo -- http://mail.python.org/mailman/listinfo/python-list
