|Subject:||[lwip-users] using loopback|
|Date:||Thu, 5 Jun 2008 21:16:10 -0500|
I’m trying to use a loopback mechanism on a periodic basis as a way of checking that an interface is still up and running.
It appears that loopback capability is included in the loopif.c module with the LWIP_HAVE_LOOPIF option in opt.h set... however, I’m not clear on how one would actually use that. Does the netif that you want to periodically test with a loopback message have to be initialized under a new model?
I’m using the netconn api, and I simply want to have another thread periodically send a ping to the port that another thread is listening to – but since it’s a blocking read, I can’t really test that the thread is still up unless he receives data. Hopefully that makes sense.
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