add processor to push input into router (#104)

internal/processor/router-input.go

@@ -0,0 +1,55 @@
+package processor
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"log/slog"
+
+	"github.com/jwetzell/showbridge-go/internal/common"
+	"github.com/jwetzell/showbridge-go/internal/config"
+)
+
+type RouterInput struct {
+	config   config.ProcessorConfig
+	SourceId string
+	logger   *slog.Logger
+}
+
+func (ro *RouterInput) Process(ctx context.Context, payload any) (any, error) {
+
+	router, ok := ctx.Value(common.RouterContextKey).(common.RouteIO)
+	if !ok {
+		return nil, errors.New("router.input no router found")
+	}
+
+	_, err := router.HandleInput(ctx, ro.SourceId, payload)
+
+	if err != nil {
+		return nil, errors.New("router.input failed to send input")
+	}
+
+	return payload, nil
+}
+
+func (ro *RouterInput) Type() string {
+	return ro.config.Type
+}
+
+func init() {
+	RegisterProcessor(ProcessorRegistration{
+		Type: "router.input",
+		New: func(config config.ProcessorConfig) (Processor, error) {
+
+			params := config.Params
+
+			sourceId, err := params.GetString("source")
+
+			if err != nil {
+				return nil, fmt.Errorf("router.input source error: %w", err)
+			}
+
+			return &RouterInput{config: config, SourceId: sourceId, logger: slog.Default().With("component", "processor", "type", config.Type)}, nil
+		},
+	})
+}

router.go

@@ -31,7 +31,7 @@ type Router struct {
 	moduleWait        sync.WaitGroup
 	logger            *slog.Logger
 	runningConfig     config.Config
-	runningConfigMu   sync.Mutex
+	runningConfigMu   sync.RWMutex
 	wsConns           []*websocket.Conn
 	wsConnsMu         sync.Mutex
 	apiServer         *http.Server
@@ -183,10 +183,10 @@ func (r *Router) Stop() {
 }
 
 func (r *Router) HandleInput(ctx context.Context, sourceId string, payload any) (bool, []common.RouteIOError) {
-	r.runningConfigMu.Lock()
+	r.runningConfigMu.RLock()
-	defer r.runningConfigMu.Unlock()
+	defer r.runningConfigMu.RUnlock()
 
-	spanCtx, span := otel.Tracer("router").Start(ctx, "input", trace.WithAttributes(attribute.String("source.id", sourceId)), trace.WithNewRoot())
+	spanCtx, span := otel.Tracer("router").Start(ctx, "input", trace.WithAttributes(attribute.String("source.id", sourceId)))
 	defer span.End()
 	var routeIOErrors []common.RouteIOError
 	routeFound := false

schema/processors.schema.json

@@ -649,6 +649,29 @@
         "required": ["type"],
         "additionalProperties": false
       },
+      {
+        "type": "object",
+        "title": "Router Input",
+        "properties": {
+          "type": {
+            "type": "string",
+            "const": "router.input"
+          },
+          "params": {
+            "type": "object",
+            "properties": {
+              "module": {
+                "title": "Source",
+                "type": "string",
+                "description": "source to report as to the router"
+              }
+            },
+            "required": ["module"]
+          }
+        },
+        "required": ["type", "params"],
+        "additionalProperties": false
+      },
       {
         "type": "object",
         "title": "Router Output",