addrsmanager: extract out addressing logic from basichost #3075
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The goal is to keep modifying it and removing the dependency on basichost by relying on events. At that point, we can expose this as a separate service usable by both basic and blank hosts
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closes: #3057 rest of the work is in: #3075 Co-authored-by: wlynxg <[email protected]>
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closes: #3057 rest of the work is in: #3075 Co-authored-by: wlynxg <[email protected]>
This was referenced Dec 8, 2024
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Ideally, we should rewrite this to have the same semantics, opt into transports not opt out, as `libp2p.New`. But I need webtransport and webrtc support to write address inference tests for #3075 Depending on how disruptive this is to users, we can decide on whether to merge or drop this.
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This adds support for `/webtransport` andn `/webrtc-direct` to GenSwarm. Ideally, we should rewrite this to have the same semantics, opt into transports not opt out, as `libp2p.New`. But I need webtransport and webrtc support to write address inference tests for #3075 Depending on how disruptive this is to users, we can decide on whether to merge or drop this.
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This was pretty expensive before: ``` goos: linux goarch: amd64 pkg: github.com/libp2p/go-libp2p cpu: AMD Ryzen 7 7840U w/ Radeon 780M Graphics BenchmarkAllAddrs-16 16737 122245 ns/op 21240 B/op 218 allocs/op ``` after: ``` goos: linux goarch: amd64 pkg: github.com/libp2p/go-libp2p cpu: AMD Ryzen 7 7840U w/ Radeon 780M Graphics BenchmarkAllAddrs-16 11103236 105.7 ns/op 192 B/op 1 allocs/op ```
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This adds support for `/webtransport` andn `/webrtc-direct` to GenSwarm. Ideally, we should rewrite this to have the same semantics, opt into transports not opt out, as `libp2p.New`. But I need webtransport and webrtc support to write address inference tests for #3075 Depending on how disruptive this is to users, we can decide on whether to merge or drop this.
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MarcoPolo
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| for _, addr := range resolved { | ||
| dst = append(dst, a.observedAddrsManager.ObservedAddrsFor(addr)...) | ||
| } | ||
| return dst |
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Should we unique this? Do we expect duplicated from the unspecified and resolved addrs?
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It's done eventually in the main loop. Limited the observed addrs to 5 per listen address.
Can you expand a bit on what you mean here please? |
I'm not filtering the return value from observed addrs manager and nat manager for nils. |
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The goal is to keep modifying it and removing the dependency on basichost by relying on events. At that point, we can expose this as a separate service usable by both basic and blank hosts
Part of #2229
NOTE: There's no fuzzing here. I am thinking of fuzzing the external facing components like observed address manager etc, as opposed to fuzzing something here. @MarcoPolo Do you think we should be defensive and parse return values form each of those components here and filter for nil etc?