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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,92 @@ | ||
| import type { Span as SentrySpan } from '@sentry/types'; | ||
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| interface SpanMapEntry { | ||
| sentrySpan: SentrySpan; | ||
| ref: SpanRefType; | ||
| // These are not direct children, but all spans under the tree of a root span. | ||
| subSpans: string[]; | ||
| } | ||
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| const SPAN_REF_ROOT = Symbol('root'); | ||
| const SPAN_REF_CHILD = Symbol('child'); | ||
| const SPAN_REF_CHILD_ENDED = Symbol('child_ended'); | ||
| type SpanRefType = typeof SPAN_REF_ROOT | typeof SPAN_REF_CHILD | typeof SPAN_REF_CHILD_ENDED; | ||
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| /** Exported only for tests. */ | ||
| export const SPAN_MAP = new Map<string, SpanMapEntry>(); | ||
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| /** | ||
| * Get a Sentry span for a given span ID. | ||
| */ | ||
| export function getSentrySpan(spanId: string): SentrySpan | undefined { | ||
| const entry = SPAN_MAP.get(spanId); | ||
| return entry ? entry.sentrySpan : undefined; | ||
| } | ||
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| /** | ||
| * Set a Sentry span for a given span ID. | ||
| * This is necessary so we can lookup parent spans later. | ||
| * We also keep a list of children for root spans only, in order to be able to clean them up together. | ||
| */ | ||
| export function setSentrySpan(spanId: string, sentrySpan: SentrySpan): void { | ||
| let ref: SpanRefType = SPAN_REF_ROOT; | ||
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| const rootSpanId = sentrySpan.transaction?.spanId; | ||
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| if (rootSpanId && rootSpanId !== spanId) { | ||
| const root = SPAN_MAP.get(rootSpanId); | ||
| if (root) { | ||
| root.subSpans.push(spanId); | ||
| ref = SPAN_REF_CHILD; | ||
| } | ||
| } | ||
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| SPAN_MAP.set(spanId, { | ||
| sentrySpan, | ||
| ref, | ||
| subSpans: [], | ||
| }); | ||
| } | ||
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| /** | ||
| * Clear references of the given span ID. | ||
| */ | ||
| export function clearSpan(spanId: string): void { | ||
| const entry = SPAN_MAP.get(spanId); | ||
| if (!entry) { | ||
| return; | ||
| } | ||
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| const { ref, subSpans } = entry; | ||
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| // If this is a child, mark it as ended. | ||
| if (ref === SPAN_REF_CHILD) { | ||
| entry.ref = SPAN_REF_CHILD_ENDED; | ||
| return; | ||
| } | ||
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| // If this is a root span, clear all (ended) children | ||
| if (ref === SPAN_REF_ROOT) { | ||
| for (const childId of subSpans) { | ||
| const child = SPAN_MAP.get(childId); | ||
| if (!child) { | ||
| continue; | ||
| } | ||
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| if (child.ref === SPAN_REF_CHILD_ENDED) { | ||
| // if the child has already ended, just clear it | ||
| SPAN_MAP.delete(childId); | ||
| } else if (child.ref === SPAN_REF_CHILD) { | ||
| // If the child has not ended yet, mark it as a root span so it is cleared when it ends. | ||
| child.ref = SPAN_REF_ROOT; | ||
| } | ||
| } | ||
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| SPAN_MAP.delete(spanId); | ||
| return; | ||
| } | ||
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| // Generally, `clearSpan` should never be called for ref === SPAN_REF_CHILD_ENDED | ||
| // But if it does, just clear the span | ||
| SPAN_MAP.delete(spanId); | ||
| } |
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