待机配置

leaf/context.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"github.com/eclipse/paho.golang/paho"
 	"math"
+	"time"
 )
 
 // abortIndex represents a typical value used in abort functions.
@@ -132,3 +133,9 @@ func WithCancel(ctx *Context) context.CancelFunc {
 	ctx.Context = c
 	return cancel
 }
+
+func WithDeadline(ctx *Context, t time.Time) context.CancelFunc {
+	c, cancel := context.WithDeadline(ctx.Context, t)
+	ctx.Context = c
+	return cancel
+}