[state]: watchers return a state

src/lib/types/conf.ts

@@ -17,6 +17,7 @@ export interface ConfWS2P {
 }
 
 export interface ConfURL {
+  name: string
   address: string
   frequency: number
 }

src/lib/types/state.ts

@@ -1,3 +1,21 @@
-export interface ServiceState {
-    state: 'INIT'|'OK'|'FAILURE'
-}
+export class Watcher {
+    private state: 'INIT'|'OK'|'FAILURE'|'RECOVERED'
+    private failureMessage?: string
+
+    constructor(public readonly name: string) {
+        this.state = "INIT"
+    }
+
+    public stateOK() {
+        this.state = "OK"
+    }
+
+    public stateRecovered() {
+        this.state = "RECOVERED"
+    }
+
+    public stateFailure(error: string) {
+        this.state = "FAILURE"
+        this.failureMessage = error
+    }
+}