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https://github.com/open-telemetry/opentelemetry-go.git
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f535b1e65f
Signed-off-by: Bogdan Drutu <bogdandrutu@gmail.com> Signed-off-by: Bogdan Drutu <bogdandrutu@gmail.com>
74 lines
2.5 KiB
Go
74 lines
2.5 KiB
Go
// Copyright The OpenTelemetry Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package metric // import "go.opentelemetry.io/otel/sdk/metric"
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import (
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"context"
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"go.opentelemetry.io/otel/attribute"
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"go.opentelemetry.io/otel/metric/instrument"
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"go.opentelemetry.io/otel/metric/instrument/asyncfloat64"
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"go.opentelemetry.io/otel/metric/instrument/asyncint64"
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"go.opentelemetry.io/otel/metric/instrument/syncfloat64"
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"go.opentelemetry.io/otel/metric/instrument/syncint64"
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"go.opentelemetry.io/otel/sdk/metric/internal"
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)
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type instrumentImpl[N int64 | float64] struct {
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instrument.Asynchronous
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instrument.Synchronous
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aggregators []internal.Aggregator[N]
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}
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var _ asyncfloat64.Counter = &instrumentImpl[float64]{}
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var _ asyncfloat64.UpDownCounter = &instrumentImpl[float64]{}
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var _ asyncfloat64.Gauge = &instrumentImpl[float64]{}
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var _ asyncint64.Counter = &instrumentImpl[int64]{}
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var _ asyncint64.UpDownCounter = &instrumentImpl[int64]{}
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var _ asyncint64.Gauge = &instrumentImpl[int64]{}
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var _ syncfloat64.Counter = &instrumentImpl[float64]{}
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var _ syncfloat64.UpDownCounter = &instrumentImpl[float64]{}
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var _ syncfloat64.Histogram = &instrumentImpl[float64]{}
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var _ syncint64.Counter = &instrumentImpl[int64]{}
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var _ syncint64.UpDownCounter = &instrumentImpl[int64]{}
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var _ syncint64.Histogram = &instrumentImpl[int64]{}
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func (i *instrumentImpl[N]) Observe(ctx context.Context, val N, attrs ...attribute.KeyValue) {
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// Only record a value if this is being called from the MetricProvider.
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_, ok := ctx.Value(produceKey).(struct{})
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if !ok {
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return
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}
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i.aggregate(ctx, val, attrs)
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}
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func (i *instrumentImpl[N]) Add(ctx context.Context, val N, attrs ...attribute.KeyValue) {
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i.aggregate(ctx, val, attrs)
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}
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func (i *instrumentImpl[N]) Record(ctx context.Context, val N, attrs ...attribute.KeyValue) {
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i.aggregate(ctx, val, attrs)
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}
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func (i *instrumentImpl[N]) aggregate(ctx context.Context, val N, attrs []attribute.KeyValue) {
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if err := ctx.Err(); err != nil {
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return
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}
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for _, agg := range i.aggregators {
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agg.Aggregate(val, attribute.NewSet(attrs...))
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}
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}
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