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4 changes: 2 additions & 2 deletions
4
instrumentation/github.com/gin-gonic/gin/otelgin/example/go.sum
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,29 @@ | ||
| // Copyright The OpenTelemetry Authors | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
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| package otelhttp // import "go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp" | ||
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| import ( | ||
| "context" | ||
| "time" | ||
| ) | ||
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| type startTimeContextKeyType int | ||
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| const startTimeContextKey startTimeContextKeyType = 0 | ||
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| // ContextWithStartTime returns a new context with the provided start time. The | ||
| // start time will be used for metrics and traces emitted by the | ||
| // instrumentation. Only one labeller can be injected into the context. | ||
| // Injecting it multiple times will override the previous calls. | ||
| func ContextWithStartTime(parent context.Context, start time.Time) context.Context { | ||
| return context.WithValue(parent, startTimeContextKey, start) | ||
| } | ||
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| // StartTimeFromContext retrieves a time.Time from the provided context if one | ||
| // is available. If no start time was found in the provided context, a new, | ||
| // zero start time is returned and the second return value is false. | ||
| func StartTimeFromContext(ctx context.Context) time.Time { | ||
| t, _ := ctx.Value(startTimeContextKey).(time.Time) | ||
| return t | ||
| } |
23 changes: 23 additions & 0 deletions
23
instrumentation/net/http/otelhttp/start_time_context_test.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,23 @@ | ||
| // Copyright The OpenTelemetry Authors | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
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| package otelhttp | ||
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| import ( | ||
| "context" | ||
| "testing" | ||
| "time" | ||
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| "github.com/stretchr/testify/assert" | ||
| ) | ||
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| func TestStartTimeFromContext(t *testing.T) { | ||
| ctx := context.Background() | ||
| startTime := StartTimeFromContext(ctx) | ||
| assert.True(t, startTime.IsZero()) | ||
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| now := time.Now() | ||
| ctx = ContextWithStartTime(ctx, now) | ||
| startTime = StartTimeFromContext(ctx) | ||
| assert.True(t, startTime.Equal(now)) | ||
| } |
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