mirror of https://github.com/tikv/client-go.git
68 lines
2.3 KiB
Go
68 lines
2.3 KiB
Go
// Copyright 2021 TiKV 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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// NOTE: The code in this file is based on code from the
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// TiDB project, licensed under the Apache License v 2.0
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//
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// https://github.com/pingcap/tidb/tree/cc5e161ac06827589c4966674597c137cc9e809c/store/tikv/logutil/tracing.go
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//
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// Copyright 2021 PingCAP, Inc.
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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 logutil
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import (
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"context"
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"fmt"
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"github.com/opentracing/opentracing-go"
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"github.com/opentracing/opentracing-go/log"
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)
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// TraceEventKey presents the TraceEventKey in span log.
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var TraceEventKey = "event"
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// Event records event in current tracing span.
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func Event(ctx context.Context, event string) {
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if span := opentracing.SpanFromContext(ctx); span != nil && span.Tracer() != nil {
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span.LogFields(log.String(TraceEventKey, event))
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}
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}
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// Eventf records event in current tracing span with format support.
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func Eventf(ctx context.Context, format string, args ...interface{}) {
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if span := opentracing.SpanFromContext(ctx); span != nil && span.Tracer() != nil {
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span.LogFields(log.String(TraceEventKey, fmt.Sprintf(format, args...)))
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}
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}
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// SetTag sets tag kv-pair in current tracing span
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func SetTag(ctx context.Context, key string, value interface{}) {
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if span := opentracing.SpanFromContext(ctx); span != nil && span.Tracer() != nil {
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span.SetTag(key, value)
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}
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}
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