On 26/09/17 16:51, Cristian Morales Vega wrote:
On 26 September 2017 at 15:41, Philipp Meier <philipp.me...@neratec.com> wrote:
Hi
When using umdns I experience the follow not expected behavior:
There is no mDNS response sent for a service where an announcement or a
response has been sent in the last 60 seconds (see service.c function
service_timeout).
1. I started the LEDE device
2. Then I started a PC application
3. In the PC app I sent out an mDNS query
4. I wondered why I did not get a response
Then by looking at the source code I detected the service_timeout function
in service.c and now see that when I wait long enough with above step 3,
then I get the expected response from LEDE.
In the mDSN RFC I cannot directly see any such requirement. But I might
interpret it wrong.
Why is LEDE umdns only answering queries for a certain service every 60s?
FWIW I have had the same problem ->
http://lists.infradead.org/pipermail/lede-dev/2017-April/007188.html
John did mention that the RFC says it's required, but I have never
been able to find that reference.
i recall vaguely that there was some info in the rfc explaining how to
mitigate flooding the network with lots of queries. i'll try to find
that text snippet. if i cant find it i'll merge the patch.
John
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