Scenario: TCP Receive Buffer on twisted HTTP server using the twisted
application framework. And its behavior when set up as producer/consumer.
(1) Would like to set the receive buffer size on socket. One way to do this
would be to create a derived class of TCPServer (or SSLServer) and set the
buffer size and use derived class server in the .tac file. Would like to know
if there is any sample code for such usage? For example, in which method of
the derived class would one set the receive buffer size?
(2) When an incoming http POST request is acting as a producer of data, which
is tied to a consumer resource (some other connection), how can I control the
incoming tcp window size, if the consumer has paused consuming? I presume the
incoming network data will keep piling up in the 'huge' tcp buffer eventually
advertising a 'tcp zero window' to the network peer of the data producer, AND
the server ends up using up a large amount of memory for the paused connection.
Is there an alternative? I realize that the TCP protocol inhibits 'reducing
of an already advertised receive window', but I am wondering if
pauseProducing() on an http channel could do something to at least prevent the
tcp window size from increasing any further?
Thank you,
Arun
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