fix block controller status (add version) (#1430)

Author: sawka

frontend/app/view/term/term.tsx

@@ -311,12 +311,18 @@ class TermViewModel implements ViewModel {
     }
 
     updateShellProcStatus(fullStatus: BlockControllerRuntimeStatus) {
-        globalStore.set(this.shellProcFullStatus, fullStatus);
-        const status = fullStatus?.shellprocstatus ?? "init";
-        if (status == "running") {
-            this.termRef.current?.setIsRunning?.(true);
-        } else {
-            this.termRef.current?.setIsRunning?.(false);
+        if (fullStatus == null) {
+            return;
+        }
+        const curStatus = globalStore.get(this.shellProcFullStatus);
+        if (curStatus == null || curStatus.version < fullStatus.version) {
+            globalStore.set(this.shellProcFullStatus, fullStatus);
+            const status = fullStatus?.shellprocstatus ?? "init";
+            if (status == "running") {
+                this.termRef.current?.setIsRunning?.(true);
+            } else {
+                this.termRef.current?.setIsRunning?.(false);
+            }
         }
     }
 

frontend/types/gotypes.d.ts

@@ -56,6 +56,7 @@ declare global {
     // blockcontroller.BlockControllerRuntimeStatus
     type BlockControllerRuntimeStatus = {
         blockid: string;
+        version: number;
         shellprocstatus?: string;
         shellprocconnname?: string;
         shellprocexitcode: number;

pkg/blockcontroller/blockcontroller.go

@@ -79,10 +79,12 @@ type BlockController struct {
 	ShellProcStatus   string
 	ShellProcExitCode int
 	RunLock           *atomic.Bool
+	StatusVersion     int
 }
 
 type BlockControllerRuntimeStatus struct {
 	BlockId           string `json:"blockid"`
+	Version           int    `json:"version"`
 	ShellProcStatus   string `json:"shellprocstatus,omitempty"`
 	ShellProcConnName string `json:"shellprocconnname,omitempty"`
 	ShellProcExitCode int    `json:"shellprocexitcode"`
@@ -97,6 +99,8 @@ func (bc *BlockController) WithLock(f func()) {
 func (bc *BlockController) GetRuntimeStatus() *BlockControllerRuntimeStatus {
 	var rtn BlockControllerRuntimeStatus
 	bc.WithLock(func() {
+		bc.StatusVersion++
+		rtn.Version = bc.StatusVersion
 		rtn.BlockId = bc.BlockId
 		rtn.ShellProcStatus = bc.ShellProcStatus
 		if bc.ShellProc != nil {