/
otlp.go
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/
otlp.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 trace // import "github.com/f5/otel-arrow-adapter/collector/gen/receiver/otlpreceiver/internal/trace"
import (
"context"
"go.opentelemetry.io/collector/consumer"
"go.opentelemetry.io/collector/obsreport"
"go.opentelemetry.io/collector/pdata/ptrace/ptraceotlp"
)
const (
dataFormatProtobuf = "protobuf"
receiverTransport = "grpc"
)
// Receiver is the type used to handle spans from OpenTelemetry exporters.
type Receiver struct {
nextConsumer consumer.Traces
obsrecv *obsreport.Receiver
}
// New creates a new Receiver reference.
func New(nextConsumer consumer.Traces, obsrecv *obsreport.Receiver) *Receiver {
return &Receiver{
nextConsumer: nextConsumer,
obsrecv: obsrecv,
}
}
// Export implements the service Export traces func.
func (r *Receiver) Export(ctx context.Context, req ptraceotlp.ExportRequest) (ptraceotlp.ExportResponse, error) {
td := req.Traces()
// We need to ensure that it propagates the receiver name as a tag
numSpans := td.SpanCount()
if numSpans == 0 {
return ptraceotlp.NewExportResponse(), nil
}
ctx = r.obsrecv.StartTracesOp(ctx)
err := r.nextConsumer.ConsumeTraces(ctx, td)
r.obsrecv.EndTracesOp(ctx, dataFormatProtobuf, numSpans, err)
return ptraceotlp.NewExportResponse(), err
}
func (r *Receiver) Consumer() consumer.Traces {
return r.nextConsumer
}