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Ryan HuberandClaude Opus 5.5
64bec56404
On darwin, listenIn encrypts into one SendBatch while a sender goroutine writes the other (batch.SendPipeline). The sender takes whatever built up during its last write, so writes overlap tun reads and packets queued behind a write leave in one WriteBatch, which a connected socket sends as one sendmsg_x. Two batches bound memory; a full producer waits for the swap rather than dropping. One producer and one sender keep per-peer order equal to message-counter order. Everywhere else the branch is a false constant and listenIn is unchanged. -tags send_pipeline builds the pipeline on any platform, so its tests and the e2e suite can run through it on linux. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
14 lines
631 B
Go
14 lines
631 B
Go
//go:build !darwin && !send_pipeline
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package nebula
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import "github.com/slackhq/nebula/overlay/tio"
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// sendPipelinePlatform is false off darwin: the pipelined send path (interface_pipeline.go) is darwin only for now,
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// and listenIn writes its own batches everywhere else. Being a constant, it removes the branch at compile time.
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// Build with -tags send_pipeline to run the pipeline, and its tests, on another platform.
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const sendPipelinePlatform = false
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// listenInPipelined is a plain function rather than a method so this unreachable stub leaves no trace in the binary.
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func listenInPipelined(*Interface, tio.Queue, int) {}
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