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jaeger_unmarshaler.go
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jaeger_unmarshaler.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:https://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 kafkareceiver // import "github.com/open-telemetry/opentelemetry-collector-contrib/receiver/kafkareceiver"
import (
"bytes"
"github.com/gogo/protobuf/jsonpb"
jaegerproto "github.com/jaegertracing/jaeger/model"
"go.opentelemetry.io/collector/pdata/ptrace"
"github.com/open-telemetry/opentelemetry-collector-contrib/pkg/translator/jaeger"
)
type jaegerProtoSpanUnmarshaler struct {
}
var _ TracesUnmarshaler = (*jaegerProtoSpanUnmarshaler)(nil)
func (j jaegerProtoSpanUnmarshaler) Unmarshal(bytes []byte) (ptrace.Traces, error) {
span := &jaegerproto.Span{}
err := span.Unmarshal(bytes)
if err != nil {
return ptrace.NewTraces(), err
}
return jaegerSpanToTraces(span)
}
func (j jaegerProtoSpanUnmarshaler) Encoding() string {
return "jaeger_proto"
}
type jaegerJSONSpanUnmarshaler struct {
}
var _ TracesUnmarshaler = (*jaegerJSONSpanUnmarshaler)(nil)
func (j jaegerJSONSpanUnmarshaler) Unmarshal(data []byte) (ptrace.Traces, error) {
span := &jaegerproto.Span{}
err := jsonpb.Unmarshal(bytes.NewReader(data), span)
if err != nil {
return ptrace.NewTraces(), err
}
return jaegerSpanToTraces(span)
}
func (j jaegerJSONSpanUnmarshaler) Encoding() string {
return "jaeger_json"
}
func jaegerSpanToTraces(span *jaegerproto.Span) (ptrace.Traces, error) {
batch := jaegerproto.Batch{
Spans: []*jaegerproto.Span{span},
Process: span.Process,
}
return jaeger.ProtoToTraces([]*jaegerproto.Batch{&batch})
}