trace

package

v1.0.8 Latest Latest Go to latest Published: Aug 7, 2019 License: Apache-2.0 Imports: 1 Imported by: 0

Details

Package trace trace定义用于上下文关联，常见于log打印traceId使用 Created by chenguolin 2018-11-18

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const (
	// TraceIDKey 常量定义
	TraceIDKey = "trace_id"
)

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type Context struct {
	// contains filtered or unexported fields
}

Context 上下文定义结构体

func DefaultTraceContext() *Context

DefaultTraceContext 获取默认Context实例

func WithTraceID(traceID string) *Context

WithTraceID 根据trace ID获取Context实例

func (tc *Context) Deadline() (deadline time.Time, ok bool)

Deadline 默认实现

func (tc *Context) Done() <-chan struct{}

Done 默认实现

func (tc *Context) Err() error

Err 默认实现

func (tc *Context) GetTraceID() string

GetTraceID 获取trace ID

func (tc *Context) SetTraceID(traceID string)

SetTraceID 设置trace ID

func (tc *Context) Value(key interface{}) interface{}

Value 根据key获取value