engine: graph: Prevent converged timeout of dirty res

Somewhere after the engine re-write we seem to have regressed and
converge early even if some resource is dirty. This adds an additional
timer so that we don't start the individual resource converged countdown
until our state is okay.

engine/graph/state.go

@@ -86,6 +86,7 @@ type State struct {
 	working bool // is the Main() loop running ?
 
 	cuid converger.UID // primary converger
+	tuid converger.UID // secondary converger
 
 	init *engine.Init // a copy of the init struct passed to res Init
 }
@@ -121,6 +122,7 @@ func (obj *State) Init() error {
 	}
 
 	//obj.cuid = obj.Converger.Register() // gets registered in Worker()
+	//obj.tuid = obj.Converger.Register() // gets registered in Worker()
 
 	obj.init = &engine.Init{
 		Program:  obj.Program,
@@ -128,6 +130,7 @@ func (obj *State) Init() error {
 
 		// Watch:
 		Running: func() error {
+			obj.tuid.StopTimer()
 			close(obj.started)    // this is reset in the reset func
 			obj.isStateOK = false // assume we're initially dirty
 			// optimization: skip the initial send if not a starter
@@ -141,6 +144,7 @@ func (obj *State) Init() error {
 		Events: obj.eventsChan,
 		Read:   obj.read,
 		Dirty: func() { // TODO: should we rename this SetDirty?
+			obj.tuid.StopTimer()
 			obj.isStateOK = false
 		},
 
@@ -208,6 +212,9 @@ func (obj *State) Close() error {
 	//if obj.cuid != nil {
 	//	obj.cuid.Unregister() // gets unregistered in Worker()
 	//}
+	//if obj.tuid != nil {
+	//	obj.tuid.Unregister() // gets unregistered in Worker()
+	//}
 
 	// redundant safety
 	obj.wg.Wait() // wait until all poke's and events on me have exited