Phase 6

cmd/uopi/main.go

@@ -15,7 +15,9 @@ import (
 	"github.com/uopi/uopi/internal/config"
 	"github.com/uopi/uopi/internal/datasource/epics"
 	"github.com/uopi/uopi/internal/datasource/stub"
+	"github.com/uopi/uopi/internal/datasource/synthetic"
 	"github.com/uopi/uopi/internal/server"
+	"github.com/uopi/uopi/internal/storage"
 	"github.com/uopi/uopi/web"
 )
 
@@ -40,6 +42,12 @@ func main() {
 		os.Exit(1)
 	}
 
+	store, err := storage.New(cfg.Server.StorageDir)
+	if err != nil {
+		log.Error("failed to open interface store", "err", err)
+		os.Exit(1)
+	}
+
 	webFS, err := fs.Sub(web.FS, "dist")
 	if err != nil {
 		log.Error("failed to sub web dist", "err", err)
@@ -51,18 +59,30 @@ func main() {
 
 	brk := broker.New(ctx, log)
 
-	// Register data sources
-	if cfg.Synthetic.Enabled {
-		ds := stub.New()
-		if err := ds.Connect(ctx); err != nil {
-			log.Error("stub connect", "err", err)
-			os.Exit(1)
-		}
-		brk.Register(ds)
+	// Stub data source is always registered — it provides synthetic test signals
+	// used by demo interfaces and unit tests.
+	stubDS := stub.New()
+	if err := stubDS.Connect(ctx); err != nil {
+		log.Error("stub connect", "err", err)
+		os.Exit(1)
 	}
-	// Register EPICS Channel Access data source (Phase 2).
-	// epics.Available() returns false when built without -tags epics so that
-	// machines without EPICS Base installed still compile and run correctly.
+	brk.Register(stubDS)
+
+	// Synthetic data source: computes derived signals from upstream sources via
+	// configurable DSP pipelines defined in synthetic.json inside the storage dir.
+	var synthDS *synthetic.Synthetic
+	if cfg.Synthetic.Enabled {
+		synthDS = synthetic.New(cfg.Server.StorageDir, brk, log)
+		if err := synthDS.Connect(ctx); err != nil {
+			log.Warn("synthetic connect failed — continuing without synthetic signals", "err", err)
+			synthDS = nil
+		} else {
+			brk.Register(synthDS)
+		}
+	}
+
+	// EPICS Channel Access data source (requires -tags epics build).
+	// epics.Available() returns false when built without the tag.
 	if cfg.EPICS.Enabled && epics.Available() {
 		ds := epics.New(cfg.EPICS.CAAddrList, cfg.EPICS.ArchiveURL)
 		if err := ds.Connect(ctx); err != nil {
@@ -72,7 +92,7 @@ func main() {
 		}
 	}
 
-	srv := server.New(cfg.Server.Listen, webFS, brk, log)
+	srv := server.New(cfg.Server.Listen, webFS, brk, synthDS, store, log)
 
 	if err := srv.Start(ctx); err != nil {
 		fmt.Fprintf(os.Stderr, "server error: %v\n", err)