40 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			40 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| /**
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|  * Copyright (c) 2021 OceanBase
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|  * OceanBase CE is licensed under Mulan PubL v2.
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|  * You can use this software according to the terms and conditions of the Mulan PubL v2.
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|  * You may obtain a copy of Mulan PubL v2 at:
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|  *          http://license.coscl.org.cn/MulanPubL-2.0
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|  * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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|  * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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|  * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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|  * See the Mulan PubL v2 for more details.
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|  */
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| 
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| package trace
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| 
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| import (
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| 	"context"
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| 	"crypto/rand"
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| 	"fmt"
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| 
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| 	"github.com/oceanbase/configserver/logger"
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| )
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| 
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| func RandomTraceId() string {
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| 	n := 8
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| 	b := make([]byte, n)
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| 	_, err := rand.Read(b)
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| 	if err != nil {
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| 		return ""
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| 	}
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| 	return fmt.Sprintf("%x", b)
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| }
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| 
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| func ContextWithRandomTraceId() context.Context {
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| 	return context.WithValue(context.Background(), logger.TraceIdKey{}, RandomTraceId())
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| }
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| 
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| func ContextWithTraceId(traceId string) context.Context {
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| 	return context.WithValue(context.Background(), logger.TraceIdKey{}, traceId)
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| }
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