/
context.go
49 lines (36 loc) · 870 Bytes
/
context.go
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package tracer
import (
"context"
"github.com/hashicorp/go-uuid"
)
var ServiceUUID = NewUUID()
type TraceID = int64
type UUID = string
type ContextMeta struct {
traceID TraceID
uuid UUID
url string
}
type ContextMetaKey struct{}
func NewContextMeta(traceID TraceID, uuid UUID, url string) *ContextMeta {
return &ContextMeta{traceID: traceID, uuid: uuid, url: url}
}
func (c *ContextMeta) UUID() UUID {
return c.uuid
}
func (c *ContextMeta) Url() string {
return c.url
}
func NewContextWithContextMeta(ctx context.Context, c *ContextMeta) context.Context {
return context.WithValue(ctx, ContextMetaKey{}, c)
}
func NewContext(ctx context.Context) context.Context {
return context.WithValue(ctx, ContextMetaKey{}, &ContextMeta{})
}
func NewUUID() UUID {
uuid, err := uuid.GenerateUUID()
if err != nil {
panic(err)
}
return UUID(uuid)
}