Error: addMembership ENODEV about bonjour HOT 6 OPEN

Came across jmdns/jmdns#84 which gives some hints as to the cause.
It's probably originating here: https://github.com/mafintosh/multicast-dns/blob/master/index.js#L53-L55

Although I'm not clear as to why the OS is emitting the ENODEV error.

from bonjour.

As a stopgap, I think I can add the following to prevent the error event from crashing node:

b = bonjour();
b._server.mdns.on('error',err => console.error('mdns server', err));

EDIT: actually I don't think that will work as it looks like the socket gets bound as soon as the multicastdns instance is created... So it's a bit of a race whether the listener will be added before the socket.on('listening' callback gets fired where that error is being emitted.

This is starting to feel more like an issue in multicast-dns so I may move the issue report there.

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I have the same error only when bonjour start when my computer is not connected to a router.
Prevented by checked if there is a connection to a router before requiring bonjour.

If this is possible to have correct handler or a correct way to prevent this error and you find it please tell me :).

from bonjour.

Prevented by checked if there is a connection to a router before requiring bonjour.

Can you provide a code snippet? Do you enumerate os.networkInterfaces() and look for one with a gateway?

from bonjour.

Hello ! No I am on a multi process architecture with already a python process that manage all the connection task. I just ask it to give me the current connection state.

Sorry I am not able to give you some code snippet in node.

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No problem. But this follows what I saw - it happened when I had a link-local address and no gateway. The problem is, Bonjour is designed to work in link-local environments without DNS/DHCP! :(

The core of the issue is clearly OS-level behavior, but I wish I could understand exactly why/ under what conditions exactly so I can best determine how to work around the issue.

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