1 files changed, 10 insertions, 1 deletions
diff --git a/common.go b/common.go
index 54bc045..1c63b4c 100644
--- a/common.go
+++ b/common.go
@@ -2,7 +2,11 @@
 
 package zoopb
 
-import "go.wit.com/lib/config"
+import (
+	"time"
+
+	"go.wit.com/lib/config"
+)
 
 var pbfile string = "/var/cache/zookeeper/machine"
 
@@ -13,3 +17,8 @@ func (pb *Machine) Save() error {
 func (pb *Machine) Load() error {
 	return config.LoadFile(pb, pbfile)
 }
+
+func (m *Machine) SinceLastUpdate() time.Duration {
+	age := m.Laststamp.AsTime()
+	return time.Since(age)
+}