On Thu, 19 Jun 2003, Ed Sutter wrote:
2. I would like the ability to "ping out", so bring it on!
This would probably be a useful feature for many, but I wonder if it's the
right way to do it. For my own (heavily modified) version of lwIP I've
gone down the SOCK_RAW route, and ported the ping application. This is
not particularly straightforward though, and I don't think I ever got it
100% working - its been a while since I looked at it. It is also probably
a bit overkill if people just want to be able to send ICMP ECHO_REQUEST
packets, rather than all the other things that SOCK_RAW would allow.
So, what do other people think?
On one side we have SOCK_RAW:
- comprehensive
- standard interface
- useful for other things?
- more code, more complex
- needs someone to do it!
On the other side we have the callback method done by Larry:
- just does ECHO_REQUEST
- simple, lightweight
- less code (I'm guessing)
- non-standard interface
- has already been done!
Maybe we should go for the later now, but aim for the former in the long
term? Opinions?
Kieran
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