Added DialAssociation and ListenAssociation

[backkem]

These are helpers to easily run SCTP over UDP. Example adapted.
I added the Association postfix to keep space for a potential
Dial/Listen implementation that directly gives you a Stream.

Relates to #74

TODO:

• Tag pion/udp after landing CI
• Change to SCTP over IP instead of over UDP.
• Proper shutdown for the listener.

[codecov]

Codecov Report

Merging #126 into master will decrease coverage by 2.39%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##           master     #126      +/-   ##
==========================================
- Coverage   78.62%   76.22%   -2.40%     
==========================================
  Files          43       45       +2     
  Lines        2779     2869      +90     
==========================================
+ Hits         2185     2187       +2     
- Misses        459      548      +89     
+ Partials      135      134       -1     

Flag	Coverage Δ
#go	76.22% <0.00%> (-2.40%)	⬇️
#wasm	67.82% <0.00%> (-3.57%)	⬇️

Impacted Files	Coverage Δ
association.go	82.11% <0.00%> (-0.27%)	⬇️
chunk_payload_data.go	69.69% <ø> (ø)
dialer.go	0.00% <0.00%> (ø)
listener.go	0.00% <0.00%> (ø)
stream.go	86.28% <0.00%> (-5.23%)	⬇️

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[edaniels]

hey @backkem we're starting to work on a v2, that could include SCTP support over not just DTLS. Is this something you'd like to work on getting in still?

[stv0g]

I would be interested in SCTP over IP as well.

@edaniels How do plan to start the work on v2? Is there a separate branch?

[backkem]

@edaniels my original goal for pushing this was to make each protocol in the stack usable in their own right, not just for WebRTC. I don't have a use-case for this myself at the moment. Feel free to take this over.

[edaniels]

@stv0g i think we can just cut to v2 whenever on master and if we need back ports make a v1 branch? What do you think?

[edaniels]

Regarding an overall plan, don't quite have one yet but as long as we don't tag a release for it, we can be in flux API wise

[edaniels]

@stv0g is making this work over IP something you'd want to take on?