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Sockets SO_RCVBUF

I have written a simple TCP client/server. I would like to change the TCP
receive buffer on the server side, to see performance differences. I am
trying

err = sock.setsockopt(socket.SOL_SOCKET, socket.SO_RCVBUF, 4096)

but that doesn't seem to actual change the buffer size.

The code is:

#Create a socket

sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

#Ensure that you can restart your server quickly when it terminates

sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)

#Set the Recieve Buffer Size

err = sock.setsockopt(socket.SOL_SOCKET, socket.SO_RCVBUF, 4096)

print socket.SO_RCVBUF

#Set the client socket's TCP port number

sock.bind(('', portno))

Development is being done a Gentoo Linux box.

Any suggestions would be great!

-Thanks

Jul 19 '05 #1
0 2383

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