[Twisted-Python] Re: succeedForOneOf

Justin Johnson justinjohnson at gmail.com
Thu Jan 20 13:22:44 EST 2005

Well the answer was terribly obvious.  I needed to cache my
connections and reuse them instead of making new connections all the
time.  I was confused by the fact that this worked previously in my
code, but it has evolved some since then.  Anyway, the attached code
works fine.

On Thu, 20 Jan 2005 10:24:12 -0600, Justin Johnson
<justinjohnson at gmail.com> wrote:
> I wrote succeedForOneOf to help when I want to loop through a list and
> call a function with the item from the list as the first argument to
> the function, and stop when one of the function calls succeeds.  The
> use case I need it for is, connecting to multiple servers looking for
> a particular thing, and stopping when I find it.
> In my testing in the attached file, succeedForOneOf does what I would
> expect.  However, when I tried this in my application, and func
> involved connecting to servers via PB and calling a remote method, it
> started up a ton of 'PBClientFactory's until the win32eventreactor
> spun wildly out of control because I exceeded the 64 object
> limitation.  This of course also caused the server I was connecting to
> to spin wildly out of control as well, sucking up all of the CPU.
> My question isn't related to the win32event reactor problem.  I just
> don't understand why my implementation of succeedForOneOf would fail
> in this manner.  Does anyone see a problem with the code?  Has someone
> else written code to accomplish this in a different way?
> -Justin

More information about the Twisted-Python mailing list