[Twisted-web] Setting of TCP Receive buffer size and Flow Control in producer/consumer
ardesai at yahoo.com
Wed Mar 13 23:45:27 EDT 2013
Let me think about it.
From: Glyph <glyph at twistedmatrix.com>
To: A Desai <ardesai at yahoo.com>
Cc: Twisted Web World <twisted-web at twistedmatrix.com>
Sent: Wednesday, March 13, 2013 11:33 AM
Subject: Re: [Twisted-web] Setting of TCP Receive buffer size and Flow Control in producer/consumer
On Mar 12, 2013, at 9:04 PM, A Desai <ardesai at yahoo.com> wrote:
Using the protocol's transport object, I can fetch the SO_RCVBUF value on the 'accepted' connection and even set the SO_SNDBUF value. However, since TCP Window scaling is enabled by default, it is my understanding that the SO_RCVBUF has to be set before the listen() call is invoked. The .tac file passes the TCPServer object to application/service framework, which in turn calls the listener. So I am wondering if I have to derive a subclass of TCPServer and somehow set the SO_RCVBUF value before the application framework invokes listen(); i.e. drill down to the Port object where it calls createInternetSocket()?
You'd need to actually subclass tcp.Server, an implementation mechanism that we would really like to deprecate :).
Really, the right way to do this is to contribute a fix to the ticket I linked, and do it directly next to the listen() call within Twisted :).
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