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related_data.go
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/
related_data.go
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/*
* Copyright The OpenTelemetry Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package arrow
// Infrastructure to manage span related records.
import (
"math"
carrow "github.com/f5/otel-arrow-adapter/pkg/otel/common/arrow"
"github.com/f5/otel-arrow-adapter/pkg/otel/common/schema/builder"
"github.com/f5/otel-arrow-adapter/pkg/otel/stats"
"github.com/f5/otel-arrow-adapter/pkg/record_message"
)
type (
// RelatedData is a collection of related/dependent data to span entities.
RelatedData struct {
spanCount uint64
relatedRecordsManager *carrow.RelatedRecordsManager
attrsBuilders *AttrsBuilders
eventBuilder *EventBuilder
linkBuilder *LinkBuilder
}
// AttrsBuilders groups together AttrsBuilder instances used to build related
// data attributes (i.e. resource attributes, scope attributes, span attributes,
// event attributes, and link attributes).
AttrsBuilders struct {
resource *carrow.Attrs16Builder
scope *carrow.Attrs16Builder
span *carrow.Attrs16Builder
event *carrow.Attrs32Builder
link *carrow.Attrs32Builder
}
)
func NewRelatedData(cfg *Config, stats *stats.ProducerStats) (*RelatedData, error) {
rrManager := carrow.NewRelatedRecordsManager(cfg.Global, stats)
attrsResourceBuilder := rrManager.Declare(carrow.PayloadTypes.ResourceAttrs, carrow.PayloadTypes.Spans, carrow.AttrsSchema16, func(b *builder.RecordBuilderExt) carrow.RelatedRecordBuilder {
return carrow.NewAttrs16BuilderWithEncoding(b, carrow.PayloadTypes.ResourceAttrs, cfg.Attrs.Resource)
})
attrsScopeBuilder := rrManager.Declare(carrow.PayloadTypes.ScopeAttrs, carrow.PayloadTypes.Spans, carrow.AttrsSchema16, func(b *builder.RecordBuilderExt) carrow.RelatedRecordBuilder {
return carrow.NewAttrs16BuilderWithEncoding(b, carrow.PayloadTypes.ScopeAttrs, cfg.Attrs.Scope)
})
attrsSpanBuilder := rrManager.Declare(carrow.PayloadTypes.SpanAttrs, carrow.PayloadTypes.Spans, carrow.AttrsSchema16, func(b *builder.RecordBuilderExt) carrow.RelatedRecordBuilder {
return carrow.NewAttrs16BuilderWithEncoding(b, carrow.PayloadTypes.SpanAttrs, cfg.Attrs.Span)
})
eventBuilder := rrManager.Declare(carrow.PayloadTypes.Event, carrow.PayloadTypes.Spans, EventSchema, func(b *builder.RecordBuilderExt) carrow.RelatedRecordBuilder {
return NewEventBuilder(b, cfg.Event)
})
linkBuilder := rrManager.Declare(carrow.PayloadTypes.Link, carrow.PayloadTypes.Spans, LinkSchema, func(b *builder.RecordBuilderExt) carrow.RelatedRecordBuilder {
return NewLinkBuilder(b, cfg.Link)
})
attrsEventBuilder := rrManager.Declare(carrow.PayloadTypes.EventAttrs, carrow.PayloadTypes.Event, carrow.AttrsSchema32, func(b *builder.RecordBuilderExt) carrow.RelatedRecordBuilder {
ab := carrow.NewAttrs32BuilderWithEncoding(b, carrow.PayloadTypes.EventAttrs, cfg.Attrs.Event)
eventBuilder.(*EventBuilder).SetAttributesAccumulator(ab.Accumulator())
return ab
})
attrsLinkBuilder := rrManager.Declare(carrow.PayloadTypes.LinkAttrs, carrow.PayloadTypes.Link, carrow.AttrsSchema32, func(b *builder.RecordBuilderExt) carrow.RelatedRecordBuilder {
ab := carrow.NewAttrs32BuilderWithEncoding(b, carrow.PayloadTypes.LinkAttrs, cfg.Attrs.Link)
linkBuilder.(*LinkBuilder).SetAttributesAccumulator(ab.Accumulator())
return ab
})
return &RelatedData{
relatedRecordsManager: rrManager,
attrsBuilders: &AttrsBuilders{
resource: attrsResourceBuilder.(*carrow.Attrs16Builder),
scope: attrsScopeBuilder.(*carrow.Attrs16Builder),
span: attrsSpanBuilder.(*carrow.Attrs16Builder),
event: attrsEventBuilder.(*carrow.Attrs32Builder),
link: attrsLinkBuilder.(*carrow.Attrs32Builder),
},
eventBuilder: eventBuilder.(*EventBuilder),
linkBuilder: linkBuilder.(*LinkBuilder),
}, nil
}
func (r *RelatedData) Schemas() []carrow.SchemaWithPayload {
return r.relatedRecordsManager.Schemas()
}
func (r *RelatedData) Release() {
r.relatedRecordsManager.Release()
}
func (r *RelatedData) AttrsBuilders() *AttrsBuilders {
return r.attrsBuilders
}
func (r *RelatedData) EventBuilder() *EventBuilder {
return r.eventBuilder
}
func (r *RelatedData) LinkBuilder() *LinkBuilder {
return r.linkBuilder
}
func (r *RelatedData) RecordBuilderExt(payloadType *carrow.PayloadType) *builder.RecordBuilderExt {
return r.relatedRecordsManager.RecordBuilderExt(payloadType)
}
func (r *RelatedData) Reset() {
r.spanCount = 0
r.relatedRecordsManager.Reset()
}
func (r *RelatedData) SpanCount() uint16 {
return uint16(r.spanCount)
}
func (r *RelatedData) NextSpanID() uint16 {
sc := r.spanCount
if sc == math.MaxUint16 {
panic("maximum number of spans reached per batch, please reduce the batch size to a maximum of 65535 spans")
}
r.spanCount++
return uint16(sc)
}
func (r *RelatedData) BuildRecordMessages() ([]*record_message.RecordMessage, error) {
return r.relatedRecordsManager.BuildRecordMessages()
}
func (ab *AttrsBuilders) Resource() *carrow.Attrs16Builder {
return ab.resource
}
func (ab *AttrsBuilders) Scope() *carrow.Attrs16Builder {
return ab.scope
}
func (ab *AttrsBuilders) Span() *carrow.Attrs16Builder {
return ab.span
}
func (ab *AttrsBuilders) Event() *carrow.Attrs32Builder {
return ab.event
}
func (ab *AttrsBuilders) Link() *carrow.Attrs32Builder {
return ab.link
}