.

go/neo/master.go

@@ -193,13 +193,10 @@ func (m *Master) Stop()  {
 	<-ech
 }
 
-
 // setClusterState sets .clusterState and notifies subscribers.
-func (m *Master) setClusterState(state proto.ClusterState) {
+func (m *Master) setClusterState(ctx context.Context, state proto.ClusterState) {
 	m.node.State.Code.Set(state)
-
-	// TODO notify subscribers
-	// <- _ΔStateCode{state}
+	//m.notifyAll(ctx, &_ΔStateCode{state})		TODO enable
 }
 
 
@@ -377,7 +374,7 @@ type storRecovery struct {
 func (m *Master) recovery(ctx context.Context) (err error) {
 	defer task.Running(&ctx, "recovery")(&err)
 
-	m.setClusterState(proto.ClusterRecovering)
+	m.setClusterState(ctx, proto.ClusterRecovering)
 	ctx, rcancel := context.WithCancel(ctx)
 	defer rcancel()
 
@@ -642,7 +639,7 @@ var errClusterDegraded = errors.New("cluster became non-operatonal")
 func (m *Master) verify(ctx context.Context) (err error) {
 	defer task.Running(&ctx, "verify")(&err)
 
-	m.setClusterState(proto.ClusterVerifying)
+	m.setClusterState(ctx, proto.ClusterVerifying)
 	ctx, vcancel := context.WithCancel(ctx)
 	defer vcancel()
 
@@ -849,7 +846,7 @@ type serveDone struct {
 func (m *Master) serve(ctx context.Context) (err error) {
 	defer task.Running(&ctx, "serve")(&err)
 
-	m.setClusterState(proto.ClusterRunning)
+	m.setClusterState(ctx, proto.ClusterRunning)
 	ctx, cancel := context.WithCancel(ctx)
 	defer cancel()
 
@@ -1037,6 +1034,7 @@ func (m *Master) serveClient1(ctx context.Context, req proto.Msg) (resp proto.Ms
 
 // disconnectPeer resets link to the peer and sets its state to DOWN in nodeTab.
 // other peers are notified with δnodeTab about it.
+// must be called from main.
 // XXX place=?
 func (m *Master) disconnectPeer(ctx context.Context, peer *_MasteredPeer) {
 	// XXX log?
@@ -1045,13 +1043,10 @@ func (m *Master) disconnectPeer(ctx context.Context, peer *_MasteredPeer) {
 	m.updateNodeState(ctx, peer.node, proto.DOWN)
 }
 
-// updateNodeTab = .nodeTab.Update  +  send δnodeTab to all subscribers.
+// notifyAll notifies all peers about event.
+// must be called from main.
 // XXX place
-// called from main master process. XXX
-func (m *Master) updateNodeTab(ctx context.Context, nodeInfo proto.NodeInfo) *xneo.PeerNode {
-	node := m.node.State.NodeTab.Update(nodeInfo)
-
-	event := &_ΔNodeTab{nodeInfo}
+func (m *Master) notifyAll(ctx context.Context, event _ΔClusterState) {
 	// XXX locking
 	for nid, peer := range m.peerTab {
 		// TODO change limiting by buffer size to limiting by time -
@@ -1070,6 +1065,14 @@ func (m *Master) updateNodeTab(ctx context.Context, nodeInfo proto.NodeInfo) *xn
 		panic("TODO")
 	}
 
+}
+
+// updateNodeTab = .nodeTab.Update  +  send δnodeTab to all subscribers.
+// must be called from main.
+// XXX place
+func (m *Master) updateNodeTab(ctx context.Context, nodeInfo proto.NodeInfo) *xneo.PeerNode {
+	node := m.node.State.NodeTab.Update(nodeInfo)
+	m.notifyAll(ctx, &_ΔNodeTab{nodeInfo})
 	return node
 }