micro/server/context.go

29 lines
469 B
Go
Raw Normal View History

2016-01-28 21:23:24 +03:00
package server
import (
2018-03-03 14:53:52 +03:00
"context"
"sync"
2016-01-28 21:23:24 +03:00
)
type serverKey struct{}
func wait(ctx context.Context) *sync.WaitGroup {
if ctx == nil {
return nil
}
wg, ok := ctx.Value("wait").(*sync.WaitGroup)
2017-05-31 21:33:11 +03:00
if !ok {
return nil
2017-05-31 21:33:11 +03:00
}
return wg
}
2016-01-28 21:23:24 +03:00
func FromContext(ctx context.Context) (Server, bool) {
c, ok := ctx.Value(serverKey{}).(Server)
return c, ok
}
func NewContext(ctx context.Context, s Server) context.Context {
return context.WithValue(ctx, serverKey{}, s)
}