mirror of
https://github.com/open-telemetry/opentelemetry-go.git
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0f32efcdaa
* trace sdk initial commit. * fix imports and comments. * remove tracestate * split trace.go * add attribute over limit test. * add comments and restructure span.go and tracer.go * refactor MessageEvent * defer unlock * some more cleanup in span.go * rename *MessageEvent* to *Event* * cleanup comments in trace_test.go * fix typos. * return full string ID for traceID and spanID.
38 lines
1.2 KiB
Go
38 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 internal // import "go.opentelemetry.io/sdk/internal"
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import (
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"fmt"
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"time"
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opentelemetry "go.opentelemetry.io/sdk"
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)
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// UserAgent is the user agent to be added to the outgoing
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// requests from the exporters.
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var UserAgent = fmt.Sprintf("opentelemetry-go/%s", opentelemetry.Version())
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// MonotonicEndTime returns the end time at present
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// but offset from start, monotonically.
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//
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// The monotonic clock is used in subtractions hence
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// the duration since start added back to start gives
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// end as a monotonic time.
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// See https://golang.org/pkg/time/#hdr-Monotonic_Clocks
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func MonotonicEndTime(start time.Time) time.Time {
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return start.Add(time.Since(start))
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}
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