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