On Thu, Aug 11, 2011 at 5:13 PM, Tobias Oberstein < tobias.oberst...@tavendo.de> wrote:
> For a test driver for a TCP-based protocol (written in Twisted) I want to > send data to a > receiver as fast as the receiver can consume data, but not faster. > > Apparently, a naive loop which just does transport.write() does not work. > When I do > reactor.select(0) between the writes, it somehow works, but memory > consumption > of sender is growing fast, since I guess data is buffered within Twisted, > right? > > I then got over implementing my own application level flow control, where > the > receiver gives feedback of how much it has consumed, and the sender > throttles > itself to that. > > However, isn't there a simpler way (without application level flow > control)? > > In the end, the sender TCP stack must have knowledge of it's window size .. > is there a way to get at that info? > > What is the recommended way? > You want to write a producer: http://twistedmatrix.com/documents/current/core/howto/producers.html -- Christopher Armstrong http://radix.twistedmatrix.com/ http://planet-if.com/
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