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coreapi: PubSub API #4805

Merged
merged 6 commits into from
Oct 5, 2018
Merged

coreapi: PubSub API #4805

merged 6 commits into from
Oct 5, 2018

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magik6k
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@magik6k magik6k commented Mar 10, 2018 •
edited by Stebalien
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Based on #4802

Replaces #4774

TODOs:

@magik6k magik6k requested a review from Kubuxu as a code owner March 10, 2018 18:35
@ghost ghost assigned magik6k Mar 10, 2018
@ghost ghost added the status/in-progress In progress label Mar 10, 2018
@magik6k magik6k added topic/core-api Topic core-api status/blocked Unable to be worked further until needs are met labels Mar 11, 2018
@magik6k magik6k mentioned this pull request Mar 12, 2018
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@magik6k magik6k removed the status/blocked Unable to be worked further until needs are met label Mar 23, 2018
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magik6k commented Mar 24, 2018

#4807 and #4804 need to get merged first

@magik6k magik6k added the status/blocked Unable to be worked further until needs are met label Mar 24, 2018
@Stebalien Stebalien removed the status/blocked Unable to be worked further until needs are met label Sep 11, 2018
@magik6k magik6k force-pushed the feat/coreapi/pubsub branch 3 times, most recently from 9e5a1ff to 99b57f7 Compare September 11, 2018 09:20
@Stebalien Stebalien requested a review from djdv September 12, 2018 21:24
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djdv suggested changes Sep 13, 2018
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Minor comments, but otherwise looks good to me. Concise. :^)

core/coreapi/interface/pubsub.go Outdated Show resolved Hide resolved
core/coreapi/pubsub.go Show resolved Hide resolved
core/commands/pubsub.go Show resolved Hide resolved
@magik6k magik6k requested a review from djdv September 26, 2018 18:53
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djdv previously approved these changes Sep 27, 2018
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djdv commented Sep 27, 2018

One remark I have, is that I noticed there's a lot of channels being used internally in floodsub. I wonder if it would be a good idea to have functions that return read only variants of them. But that's outside the scope of this PR. Just mentioning my thought.

Bonus: video of a local test
https://ipfs.io/ipfs/QmRbztNNKLzJgPDsPS2Di8oMb3pYLAtRJTEuFF5dC6tkXF/Desktop%202018.09.27%20-%2013.14.36.12.mp4

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djdv commented Sep 27, 2018

Handing off to @Stebalien for second pass

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core/coreapi/interface/pubsub.go Show resolved Hide resolved
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core/coreapi/pubsub.go Outdated

if options.Discover {
go func() {
blk, err := api.core().Block().Put(ctx, strings.NewReader("floodsub:"+topic))
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This use of the context is a bit awkward. I'd expect the context to only apply to the lifetime of the Subscribe operation but it really applies until we're fully bootstrapped.

Maybe we should:

  1. Create an entirely new (independent) context.
  2. Cancel it when the subscription is closed.

(in that case, Subscribe may not need to take a context but it might be a good idea to leave it in the signature just in case)

core/coreapi/pubsub.go Outdated
defer cancel()

provs := n.Routing.FindProvidersAsync(ctx, cid, 10)
wg := &sync.WaitGroup{}
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Nit: We don't actually need to allocate here. We can just use var wg sync.WaitGroup.

(not really important but still)

@magik6k magik6k force-pushed the feat/coreapi/pubsub branch 2 times, most recently from 6067e52 to 9581396 Compare October 2, 2018 11:18
@magik6k magik6k requested a review from Stebalien October 2, 2018 12:05
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magik6k commented Oct 2, 2018

Rebased.

@magik6k @Stebalien
coreapi: pubsub interface
3d3bedc 
License: MIT
Signed-off-by: Łukasz Magiera <magik6k@gmail.com>
@magik6k @Stebalien
coreapi: implement pubsub api
51bb9d6 
License: MIT
Signed-off-by: Łukasz Magiera <magik6k@gmail.com>
@magik6k @Stebalien
coreapi pubsub: add tests
d3f3afa 
License: MIT
Signed-off-by: Łukasz Magiera <magik6k@gmail.com>
@magik6k @Stebalien
pubsub cmd: switch to coreapi
d6aa952 
License: MIT
Signed-off-by: Łukasz Magiera <magik6k@gmail.com>
@magik6k @Stebalien
coreapi pubsub: fix review nits
18d5999 
License: MIT
Signed-off-by: Łukasz Magiera <magik6k@gmail.com>
@magik6k @Stebalien
coreapi pubsub: better ctx for connectToPubSubPeers
5618fed 
License: MIT
Signed-off-by: Łukasz Magiera <magik6k@gmail.com>
@Stebalien Stebalien merged commit 41a7388 into master Oct 5, 2018
@Stebalien Stebalien deleted the feat/coreapi/pubsub branch October 5, 2018 18:57
@ghost ghost removed the status/in-progress In progress label Oct 5, 2018
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@Stebalien Stebalien Stebalien approved these changes

@djdv djdv djdv left review comments

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