Messages in this thread | | | Subject | multiple readers for stack-processed net traffic | Date | Sat, 26 Jul 2003 14:51:55 -0400 (EDT) | From | (VaX#n8) |
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Hi, I'd like to be able to create a second "tap" for application data that presents data exactly as the application sees it, and in such a way that guarantees that both applications read the data before it is freed or acknowledged. I have skimmed the Coriolis book on the 2.0 IP stacks (yes, I know it's old), and it seems like the most direct way to do this is to alter tcp_recvmsg and udp_rcv, probably using an LKM. I have not given much thought yet about how this second application will indicate that it wants to snoop on given sockets, though. I was wondering if any of you kernel gurus have any suggestions on how to accomplish the above goals.
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