Bug 198887 – localDescription.sdp does not contain mdns host candidates

• Status: RESOLVED
• Resolution: DUPLICATE
• Component: WebRTC

[Philipp Hancke]

from https://stackoverflow.com/questions/56606608/is-safaris-rtcdatachannel-implementation-completely-broken

Simplified steps to reproduce:
On a site without getUserMedia permission, paste this:
```
const pc = new RTCPeerConnection();
pc.onicecandidate = (e) => console.log(e.candidate)
pc.onicegatheringstatechange = () => {
  if (pc.iceGatheringState === 'complete') {
    console.log(pc.localDescription.sdp);
  }
};
pc.createDataChannel("aint-broken");
pc.createOffer().then(offer => pc.setLocalDescription(offer.sdp));
```
Note that the onicecandidate events shows mdns host candidates but pc.localDescription.sdp does not contain any candidate.

[Philipp Hancke]

err... bug in the repro script:
  pc.setLocalDescription(offer)
not
  pc.setLocalDescription(offer.sdp)

[Radar WebKit Bug Importer]

<rdar://problem/53066862>

[youenn fablet]

Thanks for the report.
I am not sure this should be a real issue in practice.
But we should get there at some point though.

[:fippo]

can you dupe this into https://bugs.webkit.org/show_bug.cgi?id=209050 please?

[youenn fablet]

*** This bug has been marked as a duplicate of bug 209050 ***