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mirror of https://github.com/open-telemetry/opentelemetry-go.git synced 2025-03-03 14:52:56 +02:00
2019-06-14 13:09:41 -07:00

41 lines
1.2 KiB
Go

// Copyright 2019, 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 spanlog
import (
"os"
"strings"
"github.com/open-telemetry/opentelemetry-go/exporter/buffer"
"github.com/open-telemetry/opentelemetry-go/exporter/observer"
"github.com/open-telemetry/opentelemetry-go/exporter/spandata"
"github.com/open-telemetry/opentelemetry-go/exporter/spandata/format"
)
type (
spanLog struct{}
)
func New() observer.Observer {
return buffer.NewBuffer(1000, spandata.NewReaderObserver(&spanLog{}))
}
func (s *spanLog) Read(data *spandata.Span) {
var buf strings.Builder
buf.WriteString("----------------------------------------------------------------------\n")
format.AppendSpan(&buf, data)
os.Stdout.WriteString(buf.String())
}