Feature: Support webrtc direct

[luu-alex]

Hey there, I'm looking into using node-webrtc into the libp2p-js library to resolve libp2p/js-libp2p#3034
This would mean implementing support for webrtc direct which requires an Ice Lite-style listener.
This would need:

• SDP muxing on the listen port
• optional fingerprint verification
  If your open to supporting this feature, I'd be happy to submit a PR.

[duvallj]

Hi! Sure, I'd love to take a look at a PR for this.

I think the best approach would be something along the lines of the w3c draft extensions, which just adds an iceLite?: boolean parameter to the existing RTCIceParameters dictionary.

A quick grep makes it look like the underlying libwebrtc support this mode natively too, though I'm not sure exactly how to access it. PR definitely welcome :)

[luu-alex]

Hey, as far as i understand M98 webRTC isn't included iceLite as a flag within RTCIceTransport, but is supported in later builds, what would you recommend to go about this, is shimming possible?

[duvallj]

Ah, apologies, I must have been searching for that support while on my M106 branch. I guess the best thing to do would be to wait for that to land, or help push it forward if this is time-critical.