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Drop reference to detached datachannels #2696

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merged 1 commit into from
Mar 25, 2024
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sukunrt
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@sukunrt sukunrt commented Mar 4, 2024

This allows users of detached datachannels to garbage collect resources associated with the datachannel and the sctp stream. There is no functional change here.

Fixes #2672

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codecov bot commented Mar 4, 2024

Codecov Report

Attention: Patch coverage is 86.48649% with 5 lines in your changes are missing coverage. Please review.

Project coverage is 76.39%. Comparing base (a8c02b0) to head (2444e36).

Files Patch % Lines
sctptransport.go 64.28% 4 Missing and 1 partial ⚠️
Additional details and impacted files
@@           Coverage Diff           @@
##           master    #2696   +/-   ##
=======================================
  Coverage   76.38%   76.39%           
=======================================
  Files          87       87           
  Lines        9923     9947   +24     
=======================================
+ Hits         7580     7599   +19     
- Misses       1871     1875    +4     
- Partials      472      473    +1     
Flag Coverage Δ
go 77.92% <86.48%> (+<0.01%) ⬆️
wasm 64.57% <ø> (ø)

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@sukunrt sukunrt requested a review from Sean-Der March 4, 2024 09:02
@sukunrt sukunrt force-pushed the datachannel-reference branch 4 times, most recently from e2efe0a to 2268938 Compare March 4, 2024 09:55
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Seems reasonable to me. Thanks @sukunrt!

d.sctpTransport.lock.Lock()
n := len(d.sctpTransport.dataChannels)
j := 0
for i := 0; i < n; i++ {

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Does d.sctpTransport.dataChannels need to remain in order? Can you swap remove instead?

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I think I can. I just didn't want to change that property here.

@Sean-Der
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Thank you so much @sukunrt! Really appreciate the tests :)

Rebasing + merging now

This allows users of detached datachannels to garbage collect
resources associated with the datachannel and the sctp stream.
There is no functional change here.
@Sean-Der Sean-Der merged commit 835ac3b into master Mar 25, 2024
17 checks passed
@Sean-Der Sean-Der deleted the datachannel-reference branch March 25, 2024 02:21
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PeerConnection should drop reference to datachannel when it's closed
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