fix schema for router.input

add an HTTP/WS API for interacting with webui

.github/dependabot.yml

@@ -1,10 +1,10 @@
 version: 2
 updates:
-  - package-ecosystem: 'github-actions'
-    directory: '/'
+  - package-ecosystem: "github-actions"
+    directory: "/"
     schedule:
-      interval: 'weekly'
+      interval: "weekly"
   - package-ecosystem: gomod
     directory: /
     schedule:
-      interval: "weekly"
+      interval: "weekly"

.github/labeler.yml

@@ -1,27 +1,27 @@
 config:
   - changed-files:
-      - any-glob-to-any-file: 'internal/config/**'
+      - any-glob-to-any-file: "internal/config/**"
 
 framer:
   - changed-files:
-      - any-glob-to-any-file: 'internal/framer/**'
+      - any-glob-to-any-file: "internal/framer/**"
 
 module:
   - changed-files:
-      - any-glob-to-any-file: 'internal/module/**'
+      - any-glob-to-any-file: "internal/module/**"
 
 processor:
   - changed-files:
-      - any-glob-to-any-file: 'internal/processor/**'
+      - any-glob-to-any-file: "internal/processor/**"
 
 router:
   - changed-files:
-      - any-glob-to-any-file: 'router*'
-      
+      - any-glob-to-any-file: "router*"
+
 route:
   - changed-files:
-      - any-glob-to-any-file: 'internal/route/**'
-      
+      - any-glob-to-any-file: "internal/route/**"
+
 cli:
   - changed-files:
-      - any-glob-to-any-file: 'cmd/showbridge/**'
+      - any-glob-to-any-file: "cmd/showbridge/**"

.github/release.yml

@@ -26,4 +26,4 @@ changelog:
         - cli
     - title: Other Changes
       labels:
-        - '*'
+        - "*"

.github/workflows/label-pr.yaml

@@ -15,4 +15,4 @@ jobs:
     steps:
       - uses: actions/labeler@634933edcd8ababfe52f92936142cc22ac488b1b # v6.0.1
         with:
-          sync-labels: true
+          sync-labels: true

.github/workflows/release-showbridge.yaml

@@ -19,7 +19,7 @@ jobs:
       - name: setup go
         uses: actions/setup-go@v6
         with:
-          go-version-file: 'go.mod'
+          go-version-file: "go.mod"
       - name: release
         uses: goreleaser/goreleaser-action@v7
         with:
@@ -37,26 +37,26 @@ jobs:
         uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
 
       - name: Set up QEMU
-        uses: docker/setup-qemu-action@c7c53464625b32c7a7e944ae62b3e17d2b600130 # v3.7.0
+        uses: docker/setup-qemu-action@ce360397dd3f832beb865e1373c09c0e9f86d70a # v4.0.0
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@8d2750c68a42422c14e847fe6c8ac0403b4cbd6f # v3.12.0
+        uses: docker/setup-buildx-action@4d04d5d9486b7bd6fa91e7baf45bbb4f8b9deedd # v4.0.0
 
       - name: Login to Docker Hub
-        uses: docker/login-action@c94ce9fb468520275223c153574b00df6fe4bcc9 # v3.7.0
+        uses: docker/login-action@b45d80f862d83dbcd57f89517bcf500b2ab88fb2 # v4.0.0
         with:
           username: ${{ secrets.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_TOKEN }}
 
       - name: Setup Docker metadata
         id: meta
-        uses: docker/metadata-action@c299e40c65443455700f0fdfc63efafe5b349051 # v5.10.0
+        uses: docker/metadata-action@030e881283bb7a6894de51c315a6bfe6a94e05cf # v6.0.0
         with:
           images: |
             jwetzell/showbridge
 
       - name: Build and push
-        uses: docker/build-push-action@10e90e3645eae34f1e60eeb005ba3a3d33f178e8 # v6.19.2
+        uses: docker/build-push-action@d08e5c354a6adb9ed34480a06d141179aa583294 # v7.0.0
         with:
           push: true
           context: ./

.github/workflows/test-showbridge.yaml

@@ -5,16 +5,16 @@ on:
     branches:
       - main
     paths:
-      - '**/*.go'
-      - 'go.mod'
-      - 'go.sum'
+      - "**/*.go"
+      - "go.mod"
+      - "go.sum"
   push:
     branches:
       - main
     paths:
-      - '**/*.go'
-      - 'go.mod'
-      - 'go.sum'
+      - "**/*.go"
+      - "go.mod"
+      - "go.sum"
 
 permissions:
   contents: write
@@ -29,7 +29,7 @@ jobs:
       - uses: actions/checkout@v6
       - uses: actions/setup-go@v6
         with:
-          go-version-file: 'go.mod'
+          go-version-file: "go.mod"
       - name: mod tidy
         run: go mod tidy
 
@@ -37,7 +37,7 @@ jobs:
         run: go test ./... -count=1 -coverpkg "github.com/jwetzell/showbridge-go/..." -coverprofile coverage.out
 
       - name: clean up coverage report
-        run: cat coverage.out | grep -v "github.com/jwetzell/showbridge-go/cmd" > coverage.nocmd.out       
+        run: cat coverage.out | grep -v "github.com/jwetzell/showbridge-go/cmd" > coverage.nocmd.out
       - name: Update coverage report
         uses: ncruces/go-coverage-report@v0.3.2
         with:
@@ -45,5 +45,5 @@ jobs:
           report: true
           chart: true
           amend: true
-        if: github.event_name == 'push'  
+        if: github.event_name == 'push'
         continue-on-error: true

.vscode/launch.json

@@ -1,18 +1,17 @@
 {
-    // Use IntelliSense to learn about possible attributes.
-    // Hover to view descriptions of existing attributes.
-    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
-    "version": "0.2.0",
-    "configurations": [
-
-        {
-            "name": "Launch showbridge",
-            "type": "go",
-            "request": "launch",
-            "mode": "auto",
-            "program": "cmd/showbridge",
-            "args": ["--log-level", "debug"],
-            "cwd": "./"
-        }
-    ]
-}
+  // Use IntelliSense to learn about possible attributes.
+  // Hover to view descriptions of existing attributes.
+  // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+  "version": "0.2.0",
+  "configurations": [
+    {
+      "name": "Launch showbridge",
+      "type": "go",
+      "request": "launch",
+      "mode": "auto",
+      "program": "cmd/showbridge",
+      "args": ["--log-level", "debug"],
+      "cwd": "./"
+    }
+  ]
+}

README.md

@@ -3,7 +3,6 @@
 # showbridge (go edition)
 
 [![Coverage](https://github.com/jwetzell/showbridge-go/wiki/coverage.svg)](https://raw.githack.com/wiki/jwetzell/showbridge-go/coverage.html)
-	
 Simple protocol router _/s_
 
 </div>
@@ -14,6 +13,7 @@ Simple protocol router _/s_
 </p>
 
 ### Supported Protocols
+
 - HTTP
 - UDP
 - TCP
@@ -25,7 +25,7 @@ Simple protocol router _/s_
 - [OSC](https://opensoundcontrol.stanford.edu/spec-1_0.html)
 - [FreeD](https://ptzoptics.com/freed/)
 - [SIP](https://en.wikipedia.org/wiki/Session_Initiation_Protocol)
-  
+
 ### CLI Usage
 
 ```

api.go

@@ -0,0 +1,146 @@
+package showbridge
+
+import (
+	"context"
+	"embed"
+	_ "embed"
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"time"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/module"
+	"github.com/jwetzell/showbridge-go/internal/route"
+)
+
+func (r *Router) startAPIServer(config config.ApiConfig) {
+	r.logger.Debug("starting API server", "port", config.Port)
+	mux := http.NewServeMux()
+	mux.HandleFunc("/ws", r.handleWebsocket)
+	mux.HandleFunc("/health", r.handleHealthHTTP)
+	mux.HandleFunc("/schema/{schema}", r.handleSchemaHTTP)
+	mux.HandleFunc("/api/v1/config", r.handleConfigHTTP)
+
+	r.apiServerMu.Lock()
+	defer r.apiServerMu.Unlock()
+	r.apiServer = &http.Server{
+		Addr:    fmt.Sprintf(":%d", config.Port),
+		Handler: mux,
+	}
+
+	go func() {
+		r.apiServer.ListenAndServe()
+		r.apiServerShutdown()
+	}()
+}
+
+func (r *Router) stopAPIServer() {
+	r.logger.Debug("stopping API server")
+	r.apiServerMu.Lock()
+	defer r.apiServerMu.Unlock()
+	if r.apiServer != nil {
+		apiShutdownCtx, apiShutdownCancel := context.WithTimeout(context.Background(), 5*time.Second)
+		r.apiServerShutdown = apiShutdownCancel
+		r.apiServer.Shutdown(apiShutdownCtx)
+		<-apiShutdownCtx.Done()
+		r.apiServer = nil
+	}
+}
+
+func (r *Router) handleHealthHTTP(w http.ResponseWriter, req *http.Request) {
+	switch req.Method {
+	case http.MethodGet:
+		w.Header().Set("Access-Control-Allow-Origin", "*")
+		w.WriteHeader(http.StatusOK)
+	case http.MethodOptions:
+		w.Header().Set("Access-Control-Allow-Origin", "*")
+		w.Header().Set("Access-Control-Allow-Methods", "GET, OPTIONS")
+		w.Header().Set("Access-Control-Allow-Headers", "Content-Type")
+		w.WriteHeader(http.StatusOK)
+	default:
+		w.Header().Set("Access-Control-Allow-Origin", "*")
+		w.WriteHeader(http.StatusMethodNotAllowed)
+	}
+}
+
+func (r *Router) handleConfigHTTP(w http.ResponseWriter, req *http.Request) {
+
+	switch req.Method {
+	case http.MethodGet:
+		configJSON, err := json.Marshal(r.runningConfig)
+		if err != nil {
+			http.Error(w, "Internal server error", http.StatusInternalServerError)
+			return
+		}
+
+		w.Header().Set("Access-Control-Allow-Origin", "*")
+		w.Header().Set("Content-Type", "application/json")
+		w.Write(configJSON)
+	case http.MethodPut:
+		var newConfig config.Config
+		err := json.NewDecoder(req.Body).Decode(&newConfig)
+		if err != nil {
+			http.Error(w, "Bad request", http.StatusBadRequest)
+			return
+		}
+		moduleErrors, routeErrors := r.UpdateConfig(newConfig)
+		if len(moduleErrors) > 0 || len(routeErrors) > 0 {
+			errorResponse := struct {
+				ModuleErrors []module.ModuleError `json:"moduleErrors,omitempty"`
+				RouteErrors  []route.RouteError   `json:"routeErrors,omitempty"`
+			}{
+				ModuleErrors: moduleErrors,
+				RouteErrors:  routeErrors,
+			}
+			errorResponseJSON, err := json.Marshal(errorResponse)
+			if err != nil {
+				http.Error(w, "Internal server error", http.StatusInternalServerError)
+				return
+			}
+			w.Header().Set("Access-Control-Allow-Origin", "*")
+			w.Header().Set("Content-Type", "application/json")
+			w.WriteHeader(http.StatusBadRequest)
+			w.Write(errorResponseJSON)
+			return
+		}
+		w.Header().Set("Access-Control-Allow-Origin", "*")
+		w.WriteHeader(http.StatusOK)
+		r.ConfigChange <- newConfig
+	case http.MethodOptions:
+		w.Header().Set("Access-Control-Allow-Origin", "*")
+		w.Header().Set("Access-Control-Allow-Methods", "GET, PUT, OPTIONS")
+		w.Header().Set("Access-Control-Allow-Headers", "Content-Type")
+		w.WriteHeader(http.StatusOK)
+	default:
+		w.Header().Set("Access-Control-Allow-Origin", "*")
+		w.WriteHeader(http.StatusMethodNotAllowed)
+	}
+
+}
+
+//go:embed schema
+var schema embed.FS
+
+func (r *Router) handleSchemaHTTP(w http.ResponseWriter, req *http.Request) {
+	switch req.Method {
+	case http.MethodGet:
+		schemaName := req.PathValue("schema")
+		w.Header().Set("Access-Control-Allow-Origin", "*")
+		w.Header().Set("Content-Type", "application/json")
+		configSchema, err := schema.ReadFile(fmt.Sprintf("schema/%s.schema.json", schemaName))
+		if err != nil {
+			http.Error(w, "Internal server error", http.StatusInternalServerError)
+			return
+		}
+		w.Write(configSchema)
+	case http.MethodOptions:
+		w.Header().Set("Access-Control-Allow-Origin", "*")
+		w.Header().Set("Access-Control-Allow-Methods", "GET, OPTIONS")
+		w.Header().Set("Access-Control-Allow-Headers", "Content-Type")
+		w.WriteHeader(http.StatusOK)
+	default:
+		w.Header().Set("Access-Control-Allow-Origin", "*")
+		w.WriteHeader(http.StatusMethodNotAllowed)
+	}
+}

cmd/showbridge/.goreleaser.yaml

@@ -15,7 +15,7 @@ builds:
       - "amd64"
       - "arm64"
     ldflags:
-      - '-s -w -X main.version={{.RawVersion}}-{{.ShortCommit}}'
+      - "-s -w -X main.version={{.RawVersion}}-{{.ShortCommit}}"
 
 archives:
   - formats: [tar.gz]

cmd/showbridge/main.go

@@ -13,12 +13,14 @@ import (
 
 	"github.com/jwetzell/showbridge-go"
 	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/module"
+	"github.com/jwetzell/showbridge-go/internal/route"
 	"github.com/urfave/cli/v3"
 	"go.opentelemetry.io/otel"
 	"go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp"
 	"go.opentelemetry.io/otel/sdk/resource"
 	sdktrace "go.opentelemetry.io/otel/sdk/trace"
-	semconv "go.opentelemetry.io/otel/semconv/v1.39.0"
+	semconv "go.opentelemetry.io/otel/semconv/v1.40.0"
 	"sigs.k8s.io/yaml"
 )
 
@@ -109,6 +111,20 @@ func readConfig(configPath string) (config.Config, error) {
 	return cfg, nil
 }
 
+func writeConfig(configPath string, newConfig config.Config) error {
+	configBytes, err := yaml.Marshal(newConfig)
+	if err != nil {
+		return err
+	}
+
+	err = os.WriteFile(configPath, configBytes, 0644)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
 func run(ctx context.Context, c *cli.Command) error {
 	configPath := c.String("config")
 	if configPath == "" {
@@ -173,7 +189,19 @@ func run(ctx context.Context, c *cli.Command) error {
 		routerRunner: &sync.WaitGroup{},
 	}
 
-	router, err := showbridgeApp.getNewRouter()
+	config, err := readConfig(showbridgeApp.configPath)
+	if err != nil {
+		return err
+	}
+
+	router, moduleErrors, routeErrors := showbridge.NewRouter(config)
+
+	showbridgeApp.logConfigErrors(moduleErrors, routeErrors)
+
+	if moduleErrors != nil || routeErrors != nil {
+		return fmt.Errorf("errors initializing modules or routes")
+	}
+
 	if err != nil {
 		return fmt.Errorf("failed to initialize router: %w", err)
 	}
@@ -185,7 +213,7 @@ func run(ctx context.Context, c *cli.Command) error {
 	})
 	showbridgeApp.routerMutex.Unlock()
 
-	go showbridgeApp.handleHangup()
+	go showbridgeApp.handleChannels()
 
 	<-showbridgeApp.ctx.Done()
 	showbridgeApp.logger.Debug("shutting down router")
@@ -195,40 +223,37 @@ func run(ctx context.Context, c *cli.Command) error {
 	return nil
 }
 
-func (app *showbridgeApp) handleHangup() {
+func (app *showbridgeApp) handleChannels() {
 	for {
 		select {
 		case <-sigHangup:
 			app.logger.Info("received SIGHUP, reloading configuration")
-			newRouter, err := app.getNewRouter()
+			app.routerMutex.Lock()
+			config, err := readConfig(app.configPath)
 			if err != nil {
-				app.logger.Error("failed to reload configuration", "error", err)
+				app.logger.Error("failed to read config file", "error", err)
+				app.routerMutex.Unlock()
 				continue
 			}
-			app.routerMutex.Lock()
-			app.router.Stop()
-			app.routerRunner.Wait()
-			app.router = newRouter
-			app.routerRunner.Go(func() {
-				app.router.Start(context.Background())
-			})
+			moduleErrors, routeErrors := app.router.UpdateConfig(config)
+			app.logConfigErrors(moduleErrors, routeErrors)
 			app.logger.Info("configuration reloaded successfully")
 			app.routerMutex.Unlock()
+		case config := <-app.router.ConfigChange:
+			app.logger.Info("router config changed updating config file")
+			err := writeConfig(app.configPath, config)
+			if err != nil {
+				app.logger.Error("failed to write config file", "error", err)
+				continue
+			}
+			app.logger.Info("config file updated successfully")
 		case <-app.ctx.Done():
 			return
 		}
 	}
 }
 
-func (app *showbridgeApp) getNewRouter() (*showbridge.Router, error) {
-	// TODO(jwetzell): what should happen when the config file is unchanged?
-	config, err := readConfig(app.configPath)
-	if err != nil {
-		return nil, err
-	}
-
-	router, moduleErrors, routeErrors := showbridge.NewRouter(config)
-
+func (app *showbridgeApp) logConfigErrors(moduleErrors []module.ModuleError, routeErrors []route.RouteError) {
 	for _, moduleError := range moduleErrors {
 		app.logger.Error("problem initializing module", "index", moduleError.Index, "error", moduleError.Error)
 	}
@@ -236,12 +261,6 @@ func (app *showbridgeApp) getNewRouter() (*showbridge.Router, error) {
 	for _, routeError := range routeErrors {
 		app.logger.Error("problem initializing route", "index", routeError.Index, "error", routeError.Error)
 	}
-
-	if moduleErrors != nil || routeErrors != nil {
-		return nil, fmt.Errorf("errors initializing modules or routes")
-	}
-
-	return router, nil
 }
 
 func newTracerProvider(exp sdktrace.SpanExporter) *sdktrace.TracerProvider {

config.yaml

@@ -1,3 +1,5 @@
+api:
+  port: 8080
 modules:
   - id: http
     type: http.server

events.go

@@ -0,0 +1,64 @@
+package showbridge
+
+import (
+	"encoding/json"
+
+	"github.com/gorilla/websocket"
+)
+
+type Event struct {
+	Type  string `json:"type"`
+	Data  any    `json:"data,omitempty"`
+	Error string `json:"error,omitempty"`
+}
+
+func (e Event) toJSON() ([]byte, error) {
+	return json.Marshal(e)
+}
+
+func (r *Router) handleEvent(event Event, sender *websocket.Conn) {
+	switch event.Type {
+	case "ping":
+		r.unicastEvent(Event{Type: "pong"}, sender)
+	default:
+		r.logger.Warn("unknown event type", "eventType", event.Type)
+	}
+}
+
+func (r *Router) unicastEvent(event Event, conn *websocket.Conn) {
+	eventJSON, err := event.toJSON()
+	if err != nil {
+		r.logger.Error("failed to marshal event to JSON", "error", err)
+		return
+	}
+	err = conn.WriteMessage(websocket.TextMessage, eventJSON)
+	if err != nil {
+		r.logger.Error("failed to write message to websocket connection", "error", err)
+	}
+}
+
+func (r *Router) broadcastEvent(event Event, excluded ...*websocket.Conn) {
+	eventJSON, err := event.toJSON()
+	if err != nil {
+		r.logger.Error("failed to marshal event to JSON", "error", err)
+		return
+	}
+	r.wsConnsMu.Lock()
+	defer r.wsConnsMu.Unlock()
+	for _, conn := range r.wsConns {
+		exclude := false
+		for _, excludedConn := range excluded {
+			if conn == excludedConn {
+				exclude = true
+				break
+			}
+		}
+		if exclude {
+			continue
+		}
+		err := conn.WriteMessage(websocket.TextMessage, eventJSON)
+		if err != nil {
+			r.logger.Error("failed to write message to websocket connection", "error", err)
+		}
+	}
+}

go.mod

@@ -5,28 +5,29 @@ go 1.26.0
 require (
 	github.com/eclipse/paho.mqtt.golang v1.5.1
 	github.com/emiago/diago v0.27.0
-	github.com/emiago/sipgo v1.2.0
+	github.com/emiago/sipgo v1.2.1
 	github.com/expr-lang/expr v1.17.8
 	github.com/extism/go-sdk v1.7.1
+	github.com/gorilla/websocket v1.5.3
 	github.com/jwetzell/artnet-go v0.2.1
 	github.com/jwetzell/free-d-go v0.1.0
 	github.com/jwetzell/osc-go v0.2.0
 	github.com/jwetzell/psn-go v0.3.0
-	github.com/nats-io/nats-server/v2 v2.12.4
+	github.com/nats-io/nats-server/v2 v2.12.5
 	github.com/nats-io/nats.go v1.49.0
 	github.com/urfave/cli/v3 v3.7.0
 	gitlab.com/gomidi/midi/v2 v2.3.23
 	go.bug.st/serial v1.6.4
-	go.opentelemetry.io/otel v1.41.0
-	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.41.0
-	go.opentelemetry.io/otel/sdk v1.41.0
-	go.opentelemetry.io/otel/trace v1.41.0
+	go.opentelemetry.io/otel v1.42.0
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.42.0
+	go.opentelemetry.io/otel/sdk v1.42.0
+	go.opentelemetry.io/otel/trace v1.42.0
 	modernc.org/quickjs v0.17.1
 	sigs.k8s.io/yaml v1.6.0
 )
 
 require (
-	github.com/antithesishq/antithesis-sdk-go v0.5.0-default-no-op // indirect
+	github.com/antithesishq/antithesis-sdk-go v0.6.0-default-no-op // indirect
 	github.com/cenkalti/backoff/v5 v5.0.3 // indirect
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
 	github.com/creack/goselect v0.1.2 // indirect
@@ -42,15 +43,14 @@ require (
 	github.com/gobwas/ws v1.4.0 // indirect
 	github.com/google/go-tpm v0.9.8 // indirect
 	github.com/google/uuid v1.6.0 // indirect
-	github.com/gorilla/websocket v1.5.3 // indirect
 	github.com/grpc-ecosystem/grpc-gateway/v2 v2.28.0 // indirect
 	github.com/ianlancetaylor/demangle v0.0.0-20240805132620-81f5be970eca // indirect
 	github.com/icholy/digest v1.1.0 // indirect
-	github.com/klauspost/compress v1.18.3 // indirect
+	github.com/klauspost/compress v1.18.4 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/minio/highwayhash v1.0.4-0.20251030100505-070ab1a87a76 // indirect
 	github.com/nats-io/jwt/v2 v2.8.0 // indirect
-	github.com/nats-io/nkeys v0.4.12 // indirect
+	github.com/nats-io/nkeys v0.4.15 // indirect
 	github.com/nats-io/nuid v1.0.1 // indirect
 	github.com/ncruces/go-strftime v1.0.0 // indirect
 	github.com/pion/logging v0.2.4 // indirect
@@ -65,20 +65,20 @@ require (
 	github.com/tetratelabs/wazero v1.9.0 // indirect
 	github.com/zaf/g711 v1.4.0 // indirect
 	go.opentelemetry.io/auto/sdk v1.2.1 // indirect
-	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.41.0 // indirect
-	go.opentelemetry.io/otel/metric v1.41.0 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.42.0 // indirect
+	go.opentelemetry.io/otel/metric v1.42.0 // indirect
 	go.opentelemetry.io/proto/otlp v1.9.0 // indirect
 	go.yaml.in/yaml/v2 v2.4.2 // indirect
 	golang.org/x/crypto v0.48.0 // indirect
 	golang.org/x/exp v0.0.0-20251023183803-a4bb9ffd2546 // indirect
-	golang.org/x/net v0.50.0 // indirect
+	golang.org/x/net v0.51.0 // indirect
 	golang.org/x/sync v0.19.0 // indirect
-	golang.org/x/sys v0.41.0 // indirect
+	golang.org/x/sys v0.42.0 // indirect
 	golang.org/x/text v0.34.0 // indirect
-	golang.org/x/time v0.14.0 // indirect
+	golang.org/x/time v0.15.0 // indirect
 	google.golang.org/genproto/googleapis/api v0.0.0-20260209200024-4cfbd4190f57 // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20260209200024-4cfbd4190f57 // indirect
-	google.golang.org/grpc v1.79.1 // indirect
+	google.golang.org/grpc v1.79.2 // indirect
 	google.golang.org/protobuf v1.36.11 // indirect
 	gopkg.in/hraban/opus.v2 v2.0.0-20230925203106-0188a62cb302 // indirect
 	modernc.org/libc v1.67.1 // indirect

go.sum

@@ -1,5 +1,5 @@
-github.com/antithesishq/antithesis-sdk-go v0.5.0-default-no-op h1:Ucf+QxEKMbPogRO5guBNe5cgd9uZgfoJLOYs8WWhtjM=
-github.com/antithesishq/antithesis-sdk-go v0.5.0-default-no-op/go.mod h1:IUpT2DPAKh6i/YhSbt6Gl3v2yvUZjmKncl7U91fup7E=
+github.com/antithesishq/antithesis-sdk-go v0.6.0-default-no-op h1:kpBdlEPbRvff0mDD1gk7o9BhI16b9p5yYAXRlidpqJE=
+github.com/antithesishq/antithesis-sdk-go v0.6.0-default-no-op/go.mod h1:IUpT2DPAKh6i/YhSbt6Gl3v2yvUZjmKncl7U91fup7E=
 github.com/cenkalti/backoff/v5 v5.0.3 h1:ZN+IMa753KfX5hd8vVaMixjnqRZ3y8CuJKRKj1xcsSM=
 github.com/cenkalti/backoff/v5 v5.0.3/go.mod h1:rkhZdG3JZukswDf7f0cwqPNk4K0sa+F97BxZthm/crw=
 github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
@@ -18,8 +18,8 @@ github.com/emiago/diago v0.27.0 h1:5SQBbcLR9ooxhSMlTkU9QSuDv/2nhMO9lxuWJTd/7rE=
 github.com/emiago/diago v0.27.0/go.mod h1:8hUxCDPJY2p32hh+4ed7vHW/3yTMmEa3BjNctUPeGD0=
 github.com/emiago/dtls/v3 v3.0.0-20260122183559-8b8d23e359c0 h1:o4LxpUnZ1zxiQ+Qjc9kLwXcjz31NGAHmnZ7xoJto3VM=
 github.com/emiago/dtls/v3 v3.0.0-20260122183559-8b8d23e359c0/go.mod h1:ydcZ977eS1I6uOWodzMuw30BwvNAzT9su/xcNYSJqjA=
-github.com/emiago/sipgo v1.2.0 h1:rmHFdCu9zu2Cabfd8+/eC9HQWyooqk8x+ti550z5lBw=
-github.com/emiago/sipgo v1.2.0/go.mod h1:DuwAxBZhKMqIzQFPGZb1MVAGU6Wuxj64oTOhd5dx/FY=
+github.com/emiago/sipgo v1.2.1 h1:5JTwogbe3yQFA3sjBVueN2Q4WTU350tGeBwPYT8HMv0=
+github.com/emiago/sipgo v1.2.1/go.mod h1:DuwAxBZhKMqIzQFPGZb1MVAGU6Wuxj64oTOhd5dx/FY=
 github.com/expr-lang/expr v1.17.8 h1:W1loDTT+0PQf5YteHSTpju2qfUfNoBt4yw9+wOEU9VM=
 github.com/expr-lang/expr v1.17.8/go.mod h1:8/vRC7+7HBzESEqt5kKpYXxrxkr31SaO8r40VO/1IT4=
 github.com/extism/go-sdk v1.7.1 h1:lWJos6uY+tRFdlIHR+SJjwFDApY7OypS/2nMhiVQ9Sw=
@@ -65,8 +65,8 @@ github.com/jwetzell/osc-go v0.2.0 h1:4as+BYCeZhEddFczGveP5yZZxvY728Uavz+ZSLZfOII
 github.com/jwetzell/osc-go v0.2.0/go.mod h1:D3ZIXYB12bt4S35lKFUqgCFbF1Y+9Ld0sOhHA9mGZZM=
 github.com/jwetzell/psn-go v0.3.0 h1:WVpCEmExYE8a+I5hQak5jNJJp2x35VdGX/VuMUKPmhY=
 github.com/jwetzell/psn-go v0.3.0/go.mod h1:bcEAeti4sQM375buujb3mIfmUstD4Aby18gq3ENb6+o=
-github.com/klauspost/compress v1.18.3 h1:9PJRvfbmTabkOX8moIpXPbMMbYN60bWImDDU7L+/6zw=
-github.com/klauspost/compress v1.18.3/go.mod h1:R0h/fSBs8DE4ENlcrlib3PsXS61voFxhIs2DeRhCvJ4=
+github.com/klauspost/compress v1.18.4 h1:RPhnKRAQ4Fh8zU2FY/6ZFDwTVTxgJ/EMydqSTzE9a2c=
+github.com/klauspost/compress v1.18.4/go.mod h1:R0h/fSBs8DE4ENlcrlib3PsXS61voFxhIs2DeRhCvJ4=
 github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
 github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk=
 github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
@@ -77,12 +77,12 @@ github.com/minio/highwayhash v1.0.4-0.20251030100505-070ab1a87a76 h1:KGuD/pM2JpL
 github.com/minio/highwayhash v1.0.4-0.20251030100505-070ab1a87a76/go.mod h1:GGYsuwP/fPD6Y9hMiXuapVvlIUEhFhMTh0rxU3ik1LQ=
 github.com/nats-io/jwt/v2 v2.8.0 h1:K7uzyz50+yGZDO5o772eRE7atlcSEENpL7P+b74JV1g=
 github.com/nats-io/jwt/v2 v2.8.0/go.mod h1:me11pOkwObtcBNR8AiMrUbtVOUGkqYjMQZ6jnSdVUIA=
-github.com/nats-io/nats-server/v2 v2.12.4 h1:ZnT10v2LU2Xcoiy8ek9X6Se4YG8EuMfIfvAEuFVx1Ts=
-github.com/nats-io/nats-server/v2 v2.12.4/go.mod h1:5MCp/pqm5SEfsvVZ31ll1088ZTwEUdvRX1Hmh/mTTDg=
+github.com/nats-io/nats-server/v2 v2.12.5 h1:EOHLbsLJgUHUwzkj9gBTOlubkX+dmSs0EYWMdBiHivU=
+github.com/nats-io/nats-server/v2 v2.12.5/go.mod h1:JQDAKcwdXs0NRhvYO31dzsXkzCyDkOBS7SKU3Nozu14=
 github.com/nats-io/nats.go v1.49.0 h1:yh/WvY59gXqYpgl33ZI+XoVPKyut/IcEaqtsiuTJpoE=
 github.com/nats-io/nats.go v1.49.0/go.mod h1:fDCn3mN5cY8HooHwE2ukiLb4p4G4ImmzvXyJt+tGwdw=
-github.com/nats-io/nkeys v0.4.12 h1:nssm7JKOG9/x4J8II47VWCL1Ds29avyiQDRn0ckMvDc=
-github.com/nats-io/nkeys v0.4.12/go.mod h1:MT59A1HYcjIcyQDJStTfaOY6vhy9XTUjOFo+SVsvpBg=
+github.com/nats-io/nkeys v0.4.15 h1:JACV5jRVO9V856KOapQ7x+EY8Jo3qw1vJt/9Jpwzkk4=
+github.com/nats-io/nkeys v0.4.15/go.mod h1:CpMchTXC9fxA5zrMo4KpySxNjiDVvr8ANOSZdiNfUrs=
 github.com/nats-io/nuid v1.0.1 h1:5iA8DT8V7q8WK2EScv2padNa/rTESc1KdnPw4TC2paw=
 github.com/nats-io/nuid v1.0.1/go.mod h1:19wcPz3Ph3q0Jbyiqsd0kePYG7A95tJPxeL+1OSON2c=
 github.com/ncruces/go-strftime v1.0.0 h1:HMFp8mLCTPp341M/ZnA4qaf7ZlsbTc+miZjCLOFAw7w=
@@ -123,20 +123,20 @@ go.bug.st/serial v1.6.4 h1:7FmqNPgVp3pu2Jz5PoPtbZ9jJO5gnEnZIvnI1lzve8A=
 go.bug.st/serial v1.6.4/go.mod h1:nofMJxTeNVny/m6+KaafC6vJGj3miwQZ6vW4BZUGJPI=
 go.opentelemetry.io/auto/sdk v1.2.1 h1:jXsnJ4Lmnqd11kwkBV2LgLoFMZKizbCi5fNZ/ipaZ64=
 go.opentelemetry.io/auto/sdk v1.2.1/go.mod h1:KRTj+aOaElaLi+wW1kO/DZRXwkF4C5xPbEe3ZiIhN7Y=
-go.opentelemetry.io/otel v1.41.0 h1:YlEwVsGAlCvczDILpUXpIpPSL/VPugt7zHThEMLce1c=
-go.opentelemetry.io/otel v1.41.0/go.mod h1:Yt4UwgEKeT05QbLwbyHXEwhnjxNO6D8L5PQP51/46dE=
-go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.41.0 h1:ao6Oe+wSebTlQ1OEht7jlYTzQKE+pnx/iNywFvTbuuI=
-go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.41.0/go.mod h1:u3T6vz0gh/NVzgDgiwkgLxpsSF6PaPmo2il0apGJbls=
-go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.41.0 h1:inYW9ZhgqiDqh6BioM7DVHHzEGVq76Db5897WLGZ5Go=
-go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.41.0/go.mod h1:Izur+Wt8gClgMJqO/cZ8wdeeMryJ/xxiOVgFSSfpDTY=
-go.opentelemetry.io/otel/metric v1.41.0 h1:rFnDcs4gRzBcsO9tS8LCpgR0dxg4aaxWlJxCno7JlTQ=
-go.opentelemetry.io/otel/metric v1.41.0/go.mod h1:xPvCwd9pU0VN8tPZYzDZV/BMj9CM9vs00GuBjeKhJps=
-go.opentelemetry.io/otel/sdk v1.41.0 h1:YPIEXKmiAwkGl3Gu1huk1aYWwtpRLeskpV+wPisxBp8=
-go.opentelemetry.io/otel/sdk v1.41.0/go.mod h1:ahFdU0G5y8IxglBf0QBJXgSe7agzjE4GiTJ6HT9ud90=
-go.opentelemetry.io/otel/sdk/metric v1.41.0 h1:siZQIYBAUd1rlIWQT2uCxWJxcCO7q3TriaMlf08rXw8=
-go.opentelemetry.io/otel/sdk/metric v1.41.0/go.mod h1:HNBuSvT7ROaGtGI50ArdRLUnvRTRGniSUZbxiWxSO8Y=
-go.opentelemetry.io/otel/trace v1.41.0 h1:Vbk2co6bhj8L59ZJ6/xFTskY+tGAbOnCtQGVVa9TIN0=
-go.opentelemetry.io/otel/trace v1.41.0/go.mod h1:U1NU4ULCoxeDKc09yCWdWe+3QoyweJcISEVa1RBzOis=
+go.opentelemetry.io/otel v1.42.0 h1:lSQGzTgVR3+sgJDAU/7/ZMjN9Z+vUip7leaqBKy4sho=
+go.opentelemetry.io/otel v1.42.0/go.mod h1:lJNsdRMxCUIWuMlVJWzecSMuNjE7dOYyWlqOXWkdqCc=
+go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.42.0 h1:THuZiwpQZuHPul65w4WcwEnkX2QIuMT+UFoOrygtoJw=
+go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.42.0/go.mod h1:J2pvYM5NGHofZ2/Ru6zw/TNWnEQp5crgyDeSrYpXkAw=
+go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.42.0 h1:uLXP+3mghfMf7XmV4PkGfFhFKuNWoCvvx5wP/wOXo0o=
+go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.42.0/go.mod h1:v0Tj04armyT59mnURNUJf7RCKcKzq+lgJs6QSjHjaTc=
+go.opentelemetry.io/otel/metric v1.42.0 h1:2jXG+3oZLNXEPfNmnpxKDeZsFI5o4J+nz6xUlaFdF/4=
+go.opentelemetry.io/otel/metric v1.42.0/go.mod h1:RlUN/7vTU7Ao/diDkEpQpnz3/92J9ko05BIwxYa2SSI=
+go.opentelemetry.io/otel/sdk v1.42.0 h1:LyC8+jqk6UJwdrI/8VydAq/hvkFKNHZVIWuslJXYsDo=
+go.opentelemetry.io/otel/sdk v1.42.0/go.mod h1:rGHCAxd9DAph0joO4W6OPwxjNTYWghRWmkHuGbayMts=
+go.opentelemetry.io/otel/sdk/metric v1.42.0 h1:D/1QR46Clz6ajyZ3G8SgNlTJKBdGp84q9RKCAZ3YGuA=
+go.opentelemetry.io/otel/sdk/metric v1.42.0/go.mod h1:Ua6AAlDKdZ7tdvaQKfSmnFTdHx37+J4ba8MwVCYM5hc=
+go.opentelemetry.io/otel/trace v1.42.0 h1:OUCgIPt+mzOnaUTpOQcBiM/PLQ/Op7oq6g4LenLmOYY=
+go.opentelemetry.io/otel/trace v1.42.0/go.mod h1:f3K9S+IFqnumBkKhRJMeaZeNk9epyhnCmQh/EysQCdc=
 go.opentelemetry.io/proto/otlp v1.9.0 h1:l706jCMITVouPOqEnii2fIAuO3IVGBRPV5ICjceRb/A=
 go.opentelemetry.io/proto/otlp v1.9.0/go.mod h1:xE+Cx5E/eEHw+ISFkwPLwCZefwVjY+pqKg1qcK03+/4=
 go.uber.org/goleak v1.3.0 h1:2K3zAYmnTNqV73imy9J1T3WC+gmCePx2hEGkimedGto=
@@ -151,18 +151,18 @@ golang.org/x/exp v0.0.0-20251023183803-a4bb9ffd2546 h1:mgKeJMpvi0yx/sU5GsxQ7p6s2
 golang.org/x/exp v0.0.0-20251023183803-a4bb9ffd2546/go.mod h1:j/pmGrbnkbPtQfxEe5D0VQhZC6qKbfKifgD0oM7sR70=
 golang.org/x/mod v0.32.0 h1:9F4d3PHLljb6x//jOyokMv3eX+YDeepZSEo3mFJy93c=
 golang.org/x/mod v0.32.0/go.mod h1:SgipZ/3h2Ci89DlEtEXWUk/HteuRin+HHhN+WbNhguU=
-golang.org/x/net v0.50.0 h1:ucWh9eiCGyDR3vtzso0WMQinm2Dnt8cFMuQa9K33J60=
-golang.org/x/net v0.50.0/go.mod h1:UgoSli3F/pBgdJBHCTc+tp3gmrU4XswgGRgtnwWTfyM=
+golang.org/x/net v0.51.0 h1:94R/GTO7mt3/4wIKpcR5gkGmRLOuE/2hNGeWq/GBIFo=
+golang.org/x/net v0.51.0/go.mod h1:aamm+2QF5ogm02fjy5Bb7CQ0WMt1/WVM7FtyaTLlA9Y=
 golang.org/x/sync v0.19.0 h1:vV+1eWNmZ5geRlYjzm2adRgW2/mcpevXNg50YZtPCE4=
 golang.org/x/sync v0.19.0/go.mod h1:9KTHXmSnoGruLpwFjVSX0lNNA75CykiMECbovNTZqGI=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.21.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
-golang.org/x/sys v0.41.0 h1:Ivj+2Cp/ylzLiEU89QhWblYnOE9zerudt9Ftecq2C6k=
-golang.org/x/sys v0.41.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
+golang.org/x/sys v0.42.0 h1:omrd2nAlyT5ESRdCLYdm3+fMfNFE/+Rf4bDIQImRJeo=
+golang.org/x/sys v0.42.0/go.mod h1:4GL1E5IUh+htKOUEOaiffhrAeqysfVGipDYzABqnCmw=
 golang.org/x/text v0.34.0 h1:oL/Qq0Kdaqxa1KbNeMKwQq0reLCCaFtqu2eNuSeNHbk=
 golang.org/x/text v0.34.0/go.mod h1:homfLqTYRFyVYemLBFl5GgL/DWEiH5wcsQ5gSh1yziA=
-golang.org/x/time v0.14.0 h1:MRx4UaLrDotUKUdCIqzPC48t1Y9hANFKIRpNx+Te8PI=
-golang.org/x/time v0.14.0/go.mod h1:eL/Oa2bBBK0TkX57Fyni+NgnyQQN4LitPmob2Hjnqw4=
+golang.org/x/time v0.15.0 h1:bbrp8t3bGUeFOx08pvsMYRTCVSMk89u4tKbNOZbp88U=
+golang.org/x/time v0.15.0/go.mod h1:Y4YMaQmXwGQZoFaVFk4YpCt4FLQMYKZe9oeV/f4MSno=
 golang.org/x/tools v0.41.0 h1:a9b8iMweWG+S0OBnlU36rzLp20z1Rp10w+IY2czHTQc=
 golang.org/x/tools v0.41.0/go.mod h1:XSY6eDqxVNiYgezAVqqCeihT4j1U2CCsqvH3WhQpnlg=
 gonum.org/v1/gonum v0.16.0 h1:5+ul4Swaf3ESvrOnidPp4GZbzf0mxVQpDCYUQE7OJfk=
@@ -171,8 +171,8 @@ google.golang.org/genproto/googleapis/api v0.0.0-20260209200024-4cfbd4190f57 h1:
 google.golang.org/genproto/googleapis/api v0.0.0-20260209200024-4cfbd4190f57/go.mod h1:kSJwQxqmFXeo79zOmbrALdflXQeAYcUbgS7PbpMknCY=
 google.golang.org/genproto/googleapis/rpc v0.0.0-20260209200024-4cfbd4190f57 h1:mWPCjDEyshlQYzBpMNHaEof6UX1PmHcaUODUywQ0uac=
 google.golang.org/genproto/googleapis/rpc v0.0.0-20260209200024-4cfbd4190f57/go.mod h1:j9x/tPzZkyxcgEFkiKEEGxfvyumM01BEtsW8xzOahRQ=
-google.golang.org/grpc v1.79.1 h1:zGhSi45ODB9/p3VAawt9a+O/MULLl9dpizzNNpq7flY=
-google.golang.org/grpc v1.79.1/go.mod h1:KmT0Kjez+0dde/v2j9vzwoAScgEPx/Bw1CYChhHLrHQ=
+google.golang.org/grpc v1.79.2 h1:fRMD94s2tITpyJGtBBn7MkMseNpOZU8ZxgC3MMBaXRU=
+google.golang.org/grpc v1.79.2/go.mod h1:KmT0Kjez+0dde/v2j9vzwoAScgEPx/Bw1CYChhHLrHQ=
 google.golang.org/protobuf v1.36.11 h1:fV6ZwhNocDyBLK0dj+fg8ektcVegBBuEolpbTQyBNVE=
 google.golang.org/protobuf v1.36.11/go.mod h1:HTf+CrKn2C3g5S8VImy6tdcUvCska2kB7j23XfzDpco=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=

internal/common/common.go

@@ -1,22 +1,179 @@
 package common
 
-import "context"
+import (
+	"math"
+	"reflect"
+)
 
-type contextKey string
-
-const RouterContextKey contextKey = contextKey("router")
-const SourceContextKey contextKey = contextKey("source")
-const ModulesContextKey contextKey = contextKey("modules")
-const SenderContextKey contextKey = contextKey("sender")
-
-type RouteIO interface {
-	HandleInput(ctx context.Context, sourceId string, payload any) (bool, []RouteIOError)
-	HandleOutput(ctx context.Context, destinationId string, payload any) error
+func GetAnyAs[T any](value any) (T, bool) {
+	typed, ok := value.(T)
+	return typed, ok
 }
 
-type RouteIOError struct {
-	Index        int
-	OutputError  error
-	ProcessError error
-	InputError   error
+func GetAnyAsInt(value any) (int, bool) {
+
+	intValue, ok := value.(int)
+	if ok {
+		return intValue, true
+	}
+
+	uintValue, ok := value.(uint)
+	if ok {
+		return int(uintValue), true
+	}
+
+	byteValue, ok := value.(byte)
+	if ok {
+		return int(byteValue), true
+	}
+
+	floatValue, ok := value.(float64)
+	if ok {
+		if floatValue != math.Floor(floatValue) {
+			return 0, false
+		}
+		return int(floatValue), true
+	}
+	return 0, false
+}
+
+func GetAnyAsByteSlice(value any) ([]byte, bool) {
+	v := reflect.ValueOf(value)
+	if v.Kind() != reflect.Slice {
+		return nil, false
+	}
+
+	result := make([]byte, v.Len())
+	for i := 0; i < v.Len(); i++ {
+		elem := v.Index(i).Interface()
+		byteValue, ok := elem.(byte)
+		if ok {
+			result[i] = byteValue
+			continue
+		}
+		uintValue, ok := elem.(uint)
+		if ok {
+			if uintValue > 255 {
+				return nil, false
+			}
+			result[i] = byte(uintValue)
+			continue
+		}
+		intValue, ok := elem.(int)
+		if ok {
+			if intValue < 0 || intValue > 255 {
+				return nil, false
+			}
+			result[i] = byte(intValue)
+			continue
+		}
+		floatValue, ok := elem.(float64)
+		if ok {
+			if floatValue != math.Floor(floatValue) {
+				return nil, false
+			}
+			if floatValue < 0 || floatValue > 255 {
+				return nil, false
+			}
+			result[i] = byte(floatValue)
+			continue
+		}
+		return nil, false
+	}
+	return result, true
+}
+
+func GetAnyAsIntSlice(value any) ([]int, bool) {
+	v := reflect.ValueOf(value)
+	if v.Kind() != reflect.Slice {
+		return nil, false
+	}
+
+	result := make([]int, v.Len())
+	for i := 0; i < v.Len(); i++ {
+		elem := v.Index(i).Interface()
+		byteValue, ok := elem.(byte)
+		if ok {
+			result[i] = int(byteValue)
+			continue
+		}
+		uintValue, ok := elem.(uint)
+		if ok {
+			result[i] = int(uintValue)
+			continue
+		}
+		intValue, ok := elem.(int)
+		if ok {
+			result[i] = int(intValue)
+			continue
+		}
+		floatValue, ok := elem.(float64)
+		if ok {
+			if floatValue != math.Floor(floatValue) {
+				return nil, false
+			}
+			result[i] = int(floatValue)
+			continue
+		}
+		return nil, false
+	}
+	return result, true
+}
+
+func GetAnyAsFloat32(value any) (float32, bool) {
+	float32Value, ok := value.(float32)
+	if ok {
+		return float32Value, true
+	}
+
+	float64Value, ok := value.(float64)
+	if ok {
+		return float32(float64Value), true
+	}
+
+	intValue, ok := value.(int)
+	if ok {
+		return float32(intValue), true
+	}
+
+	uintValue, ok := value.(uint)
+	if ok {
+		return float32(uintValue), true
+	}
+
+	byteValue, ok := value.(byte)
+	if ok {
+		return float32(byteValue), true
+	}
+
+	return 0, false
+}
+
+func GetAnyAsFloat64(value any) (float64, bool) {
+	float64Value, ok := value.(float64)
+	if ok {
+		return float64Value, true
+	}
+
+	float32Value, ok := value.(float32)
+	if ok {
+		return float64(float32Value), true
+	}
+
+	intValue, ok := value.(int)
+	if ok {
+		return float64(intValue), true
+	}
+
+	uintValue, ok := value.(uint)
+	if ok {
+		return float64(uintValue), true
+	}
+
+	byteValue, ok := value.(byte)
+	if ok {
+		return float64(byteValue), true
+	}
+
+	return 0, false
 }

internal/common/context.go

@@ -0,0 +1,8 @@
+package common
+
+type contextKey string
+
+const RouterContextKey contextKey = contextKey("router")
+const SourceContextKey contextKey = contextKey("source")
+const ModulesContextKey contextKey = contextKey("modules")
+const SenderContextKey contextKey = contextKey("sender")

internal/common/routing.go

@@ -0,0 +1,15 @@
+package common
+
+import "context"
+
+type RouteIO interface {
+	HandleInput(ctx context.Context, sourceId string, payload any) (bool, []RouteIOError)
+	HandleOutput(ctx context.Context, destinationId string, payload any) error
+}
+
+type RouteIOError struct {
+	Index        int   `json:"index"`
+	OutputError  error `json:"outputError"`
+	ProcessError error `json:"processError"`
+	InputError   error `json:"inputError"`
+}

internal/config/config.go

@@ -1,273 +1,18 @@
 package config
 
-import (
-	"errors"
-	"fmt"
-	"math"
-	"reflect"
-)
-
 type Config struct {
+	Api     ApiConfig      `json:"api"`
 	Modules []ModuleConfig `json:"modules"`
 	Routes  []RouteConfig  `json:"routes"`
 }
 
-type Params map[string]any
-
-var (
-	ErrParamNotFound   = errors.New("not found")
-	ErrParamNotString  = errors.New("not a string")
-	ErrParamNotNumber  = errors.New("not a number")
-	ErrParamNotInteger = errors.New("not an integer")
-	ErrParamNotBool    = errors.New("not a boolean")
-	ErrParamNotSlice   = errors.New("not a slice")
-)
-
-func (p Params) GetString(key string) (string, error) {
-	value, ok := p[key]
-	if !ok {
-		return "", ErrParamNotFound
-	}
-
-	stringValue, ok := value.(string)
-	if !ok {
-		return "", ErrParamNotString
-	}
-	return stringValue, nil
+type ApiConfig struct {
+	Port int `json:"port"`
 }
-
-func (p Params) GetInt(key string) (int, error) {
-	value, ok := p[key]
-	if !ok {
-		return 0, ErrParamNotFound
-	}
-
-	intValue, ok := value.(int)
-	if ok {
-		return intValue, nil
-	}
-
-	uintValue, ok := value.(uint)
-	if ok {
-		return int(uintValue), nil
-	}
-
-	byteValue, ok := value.(byte)
-	if ok {
-		return int(byteValue), nil
-	}
-
-	floatValue, ok := value.(float64)
-	if ok {
-		if floatValue != math.Floor(floatValue) {
-			return 0, ErrParamNotInteger
-		}
-		return int(floatValue), nil
-	}
-
-	return 0, ErrParamNotNumber
-}
-
-func (p Params) GetFloat32(key string) (float32, error) {
-	value, ok := p[key]
-	if !ok {
-		return 0, ErrParamNotFound
-	}
-
-	float32Value, ok := value.(float32)
-	if ok {
-		return float32Value, nil
-	}
-
-	float64Value, ok := value.(float64)
-	if ok {
-		return float32(float64Value), nil
-	}
-
-	intValue, ok := value.(int)
-	if ok {
-		return float32(intValue), nil
-	}
-
-	uintValue, ok := value.(uint)
-	if ok {
-		return float32(uintValue), nil
-	}
-
-	byteValue, ok := value.(byte)
-	if ok {
-		return float32(byteValue), nil
-	}
-
-	return 0, ErrParamNotNumber
-}
-
-func (p Params) GetFloat64(key string) (float64, error) {
-	value, ok := p[key]
-	if !ok {
-		return 0, ErrParamNotFound
-	}
-
-	float64Value, ok := value.(float64)
-	if ok {
-		return float64Value, nil
-	}
-
-	float32Value, ok := value.(float32)
-	if ok {
-		return float64(float32Value), nil
-	}
-
-	intValue, ok := value.(int)
-	if ok {
-		return float64(intValue), nil
-	}
-
-	uintValue, ok := value.(uint)
-	if ok {
-		return float64(uintValue), nil
-	}
-
-	byteValue, ok := value.(byte)
-	if ok {
-		return float64(byteValue), nil
-	}
-
-	return 0, ErrParamNotNumber
-}
-
-func (p Params) GetBool(key string) (bool, error) {
-	value, ok := p[key]
-	if !ok {
-		return false, ErrParamNotFound
-	}
-
-	boolValue, ok := value.(bool)
-	if !ok {
-		return false, ErrParamNotBool
-	}
-	return boolValue, nil
-}
-
-func (p Params) GetStringSlice(key string) ([]string, error) {
-	value, ok := p[key]
-	if !ok {
-		return nil, ErrParamNotFound
-	}
-
-	interfaceSlice, ok := value.([]any)
-	if !ok {
-		return nil, ErrParamNotSlice
-	}
-
-	stringSlice := make([]string, len(interfaceSlice))
-	for i, v := range interfaceSlice {
-		str, ok := v.(string)
-		if !ok {
-			return nil, fmt.Errorf("element at index %d is not a string", i)
-		}
-		stringSlice[i] = str
-	}
-	return stringSlice, nil
-}
-
-func (p Params) GetIntSlice(key string) ([]int, error) {
-	value, ok := p[key]
-	if !ok {
-		return nil, ErrParamNotFound
-	}
-
-	v := reflect.ValueOf(value)
-	if v.Kind() != reflect.Slice {
-		return nil, ErrParamNotSlice
-	}
-
-	result := make([]int, v.Len())
-	for i := 0; i < v.Len(); i++ {
-		elem := v.Index(i).Interface()
-		byteValue, ok := elem.(byte)
-		if ok {
-			result[i] = int(byteValue)
-			continue
-		}
-		uintValue, ok := elem.(uint)
-		if ok {
-			result[i] = int(uintValue)
-			continue
-		}
-		intValue, ok := elem.(int)
-		if ok {
-			result[i] = int(intValue)
-			continue
-		}
-		floatValue, ok := elem.(float64)
-		if ok {
-			if floatValue != math.Floor(floatValue) {
-				return nil, fmt.Errorf("element at index %d is not an integer", i)
-			}
-			result[i] = int(floatValue)
-			continue
-		}
-		return nil, fmt.Errorf("element at index %d is not a number", i)
-	}
-	return result, nil
-}
-
-func (p Params) GetByteSlice(key string) ([]byte, error) {
-	value, ok := p[key]
-	if !ok {
-		return nil, ErrParamNotFound
-	}
-
-	v := reflect.ValueOf(value)
-	if v.Kind() != reflect.Slice {
-		return nil, ErrParamNotSlice
-	}
-
-	result := make([]byte, v.Len())
-	for i := 0; i < v.Len(); i++ {
-		elem := v.Index(i).Interface()
-		byteValue, ok := elem.(byte)
-		if ok {
-			result[i] = byteValue
-			continue
-		}
-		uintValue, ok := elem.(uint)
-		if ok {
-			if uintValue > 255 {
-				return nil, fmt.Errorf("element at index %d is out of byte range", i)
-			}
-			result[i] = byte(uintValue)
-			continue
-		}
-		intValue, ok := elem.(int)
-		if ok {
-			if intValue < 0 || intValue > 255 {
-				return nil, fmt.Errorf("element at index %d is out of byte range", i)
-			}
-			result[i] = byte(intValue)
-			continue
-		}
-		floatValue, ok := elem.(float64)
-		if ok {
-			if floatValue != math.Floor(floatValue) {
-				return nil, fmt.Errorf("element at index %d is not an integer", i)
-			}
-			if floatValue < 0 || floatValue > 255 {
-				return nil, fmt.Errorf("element at index %d is out of byte range", i)
-			}
-			result[i] = byte(floatValue)
-			continue
-		}
-		return nil, fmt.Errorf("element at index %d is not a number", i)
-	}
-	return result, nil
-}
-
 type ModuleConfig struct {
 	Id     string `json:"id"`
 	Type   string `json:"type"`
-	Params Params `json:"params"`
+	Params Params `json:"params,omitempty"`
 }
 
 type RouteConfig struct {
@@ -277,5 +22,5 @@ type RouteConfig struct {
 
 type ProcessorConfig struct {
 	Type   string `json:"type"`
-	Params Params `json:"params"`
+	Params Params `json:"params,omitempty"`
 }

internal/config/params.go

@@ -0,0 +1,140 @@
+package config
+
+import (
+	"errors"
+	"fmt"
+
+	"github.com/jwetzell/showbridge-go/internal/common"
+)
+
+type Params map[string]any
+
+var (
+	ErrParamNotFound     = errors.New("not found")
+	ErrParamNotString    = errors.New("not a string")
+	ErrParamNotNumber    = errors.New("not a number")
+	ErrParamNotInteger   = errors.New("not an integer")
+	ErrParamNotBool      = errors.New("not a boolean")
+	ErrParamNotSlice     = errors.New("not a slice")
+	ErrParamNotByteSlice = errors.New("not a byte slice")
+	ErrParamNotIntSlice  = errors.New("not an int slice")
+)
+
+func (p Params) GetString(key string) (string, error) {
+	value, ok := p[key]
+	if !ok {
+		return "", ErrParamNotFound
+	}
+
+	stringValue, ok := value.(string)
+	if !ok {
+		return "", ErrParamNotString
+	}
+	return stringValue, nil
+}
+
+func (p Params) GetInt(key string) (int, error) {
+	value, ok := p[key]
+	if !ok {
+		return 0, ErrParamNotFound
+	}
+
+	intValue, ok := common.GetAnyAsInt(value)
+	if ok {
+		return intValue, nil
+	}
+
+	return 0, ErrParamNotNumber
+}
+
+func (p Params) GetFloat32(key string) (float32, error) {
+	value, ok := p[key]
+	if !ok {
+		return 0, ErrParamNotFound
+	}
+
+	floatValue, ok := common.GetAnyAsFloat32(value)
+	if ok {
+		return floatValue, nil
+	}
+
+	return 0, ErrParamNotNumber
+}
+
+func (p Params) GetFloat64(key string) (float64, error) {
+	value, ok := p[key]
+	if !ok {
+		return 0, ErrParamNotFound
+	}
+
+	floatValue, ok := common.GetAnyAsFloat64(value)
+	if ok {
+		return floatValue, nil
+	}
+
+	return 0, ErrParamNotNumber
+}
+
+func (p Params) GetBool(key string) (bool, error) {
+	value, ok := p[key]
+	if !ok {
+		return false, ErrParamNotFound
+	}
+
+	boolValue, ok := value.(bool)
+	if !ok {
+		return false, ErrParamNotBool
+	}
+	return boolValue, nil
+}
+
+func (p Params) GetStringSlice(key string) ([]string, error) {
+	value, ok := p[key]
+	if !ok {
+		return nil, ErrParamNotFound
+	}
+
+	interfaceSlice, ok := value.([]any)
+	if !ok {
+		return nil, ErrParamNotSlice
+	}
+
+	stringSlice := make([]string, len(interfaceSlice))
+	for i, v := range interfaceSlice {
+		str, ok := v.(string)
+		if !ok {
+			return nil, fmt.Errorf("element at index %d is not a string", i)
+		}
+		stringSlice[i] = str
+	}
+	return stringSlice, nil
+}
+
+func (p Params) GetIntSlice(key string) ([]int, error) {
+	value, ok := p[key]
+	if !ok {
+		return nil, ErrParamNotFound
+	}
+
+	intSlice, ok := common.GetAnyAsIntSlice(value)
+	if !ok {
+		return nil, ErrParamNotIntSlice
+	}
+
+	return intSlice, nil
+}
+
+func (p Params) GetByteSlice(key string) ([]byte, error) {
+	value, ok := p[key]
+	if !ok {
+		return nil, ErrParamNotFound
+	}
+
+	byteSlice, ok := common.GetAnyAsByteSlice(value)
+
+	if !ok {
+		return nil, ErrParamNotByteSlice
+	}
+
+	return byteSlice, nil
+}

internal/module/http-server.go

@@ -187,7 +187,7 @@ func (hs *HTTPServer) Output(ctx context.Context, payload any) error {
 		return errors.New("http.server output must originate from an http.server input")
 	}
 
-	payloadResponse, ok := processor.GetAnyAs[processor.HTTPResponse](payload)
+	payloadResponse, ok := common.GetAnyAs[processor.HTTPResponse](payload)
 
 	if !ok {
 		return errors.New("http.server is only able to output HTTPResponse")

internal/module/midi-output.go

@@ -10,7 +10,6 @@ import (
 
 	"github.com/jwetzell/showbridge-go/internal/common"
 	"github.com/jwetzell/showbridge-go/internal/config"
-	"github.com/jwetzell/showbridge-go/internal/processor"
 	"gitlab.com/gomidi/midi/v2"
 	_ "gitlab.com/gomidi/midi/v2/drivers/rtmididrv"
 )
@@ -85,7 +84,7 @@ func (mo *MIDIOutput) Output(ctx context.Context, payload any) error {
 		return errors.New("midi.output output is not setup")
 	}
 
-	payloadMessage, ok := processor.GetAnyAs[midi.Message](payload)
+	payloadMessage, ok := common.GetAnyAs[midi.Message](payload)
 
 	if !ok {
 		return errors.New("midi.output can only ouptut midi.Message")

internal/module/module.go

@@ -10,9 +10,9 @@ import (
 )
 
 type ModuleError struct {
-	Index  int
-	Config config.ModuleConfig
-	Error  error
+	Index  int                 `json:"index"`
+	Config config.ModuleConfig `json:"config"`
+	Error  string              `json:"error"`
 }
 
 type Module interface {

internal/module/mqtt-client.go

@@ -9,7 +9,6 @@ import (
 	mqtt "github.com/eclipse/paho.mqtt.golang"
 	"github.com/jwetzell/showbridge-go/internal/common"
 	"github.com/jwetzell/showbridge-go/internal/config"
-	"github.com/jwetzell/showbridge-go/internal/processor"
 )
 
 type MQTTClient struct {
@@ -102,7 +101,7 @@ func (mc *MQTTClient) Start(ctx context.Context) error {
 }
 
 func (mc *MQTTClient) Output(ctx context.Context, payload any) error {
-	payloadMessage, ok := processor.GetAnyAs[mqtt.Message](payload)
+	payloadMessage, ok := common.GetAnyAs[mqtt.Message](payload)
 
 	if !ok {
 		return errors.New("mqtt.client is only able to output a MQTTMessage")

internal/module/nats-client.go

@@ -94,7 +94,7 @@ func (nc *NATSClient) Start(ctx context.Context) error {
 
 func (nc *NATSClient) Output(ctx context.Context, payload any) error {
 
-	payloadMessage, ok := processor.GetAnyAs[processor.NATSMessage](payload)
+	payloadMessage, ok := common.GetAnyAs[processor.NATSMessage](payload)
 
 	if !ok {
 		return errors.New("nats.client is only able to output NATSMessage")

internal/module/serial-client.go

@@ -12,7 +12,6 @@ import (
 	"github.com/jwetzell/showbridge-go/internal/common"
 	"github.com/jwetzell/showbridge-go/internal/config"
 	"github.com/jwetzell/showbridge-go/internal/framer"
-	"github.com/jwetzell/showbridge-go/internal/processor"
 	"go.bug.st/serial"
 )
 
@@ -157,7 +156,7 @@ func (sc *SerialClient) Start(ctx context.Context) error {
 
 func (sc *SerialClient) Output(ctx context.Context, payload any) error {
 
-	payloadBytes, ok := processor.GetAnyAs[[]byte](payload)
+	payloadBytes, ok := common.GetAnyAs[[]byte](payload)
 
 	if !ok {
 		return errors.New("serial.client can only ouptut bytes")

internal/module/sip-call-server.go

@@ -173,7 +173,7 @@ func (scs *SIPCallServer) Output(ctx context.Context, payload any) error {
 		return errors.New("sip.call.server inDialog already ended")
 	}
 
-	payloadDTMFResponse, ok := processor.GetAnyAs[processor.SipDTMFResponse](payload)
+	payloadDTMFResponse, ok := common.GetAnyAs[processor.SipDTMFResponse](payload)
 
 	if ok {
 		dtmfWriter := call.inDialog.AudioWriterDTMF()
@@ -189,7 +189,7 @@ func (scs *SIPCallServer) Output(ctx context.Context, payload any) error {
 		return nil
 	}
 
-	payloadAudioFileResponse, ok := processor.GetAnyAs[processor.SipAudioFileResponse](payload)
+	payloadAudioFileResponse, ok := common.GetAnyAs[processor.SipAudioFileResponse](payload)
 
 	if ok {
 		audioFile, err := os.Open(payloadAudioFileResponse.AudioFile)

internal/module/sip-dtmf-server.go

@@ -199,7 +199,7 @@ func (sds *SIPDTMFServer) Output(ctx context.Context, payload any) error {
 		return errors.New("sip.dtmf.server inDialog already ended")
 	}
 
-	payloadDTMFResponse, ok := processor.GetAnyAs[processor.SipDTMFResponse](payload)
+	payloadDTMFResponse, ok := common.GetAnyAs[processor.SipDTMFResponse](payload)
 
 	if ok {
 		dtmfWriter := call.inDialog.AudioWriterDTMF()
@@ -216,7 +216,7 @@ func (sds *SIPDTMFServer) Output(ctx context.Context, payload any) error {
 		return nil
 	}
 
-	payloadAudioFileResponse, ok := processor.GetAnyAs[processor.SipAudioFileResponse](payload)
+	payloadAudioFileResponse, ok := common.GetAnyAs[processor.SipAudioFileResponse](payload)
 
 	if ok {
 		audioFile, err := os.Open(payloadAudioFileResponse.AudioFile)

internal/module/tcp-client.go

@@ -11,7 +11,6 @@ import (
 	"github.com/jwetzell/showbridge-go/internal/common"
 	"github.com/jwetzell/showbridge-go/internal/config"
 	"github.com/jwetzell/showbridge-go/internal/framer"
-	"github.com/jwetzell/showbridge-go/internal/processor"
 )
 
 type TCPClient struct {
@@ -153,7 +152,7 @@ func (tc *TCPClient) Output(ctx context.Context, payload any) error {
 			return err
 		}
 	}
-	payloadBytes, ok := processor.GetAnyAs[[]byte](payload)
+	payloadBytes, ok := common.GetAnyAs[[]byte](payload)
 	if !ok {
 		return errors.New("net.tcp.client is only able to output bytes")
 	}

internal/module/tcp-server.go

@@ -14,7 +14,6 @@ import (
 	"github.com/jwetzell/showbridge-go/internal/common"
 	"github.com/jwetzell/showbridge-go/internal/config"
 	"github.com/jwetzell/showbridge-go/internal/framer"
-	"github.com/jwetzell/showbridge-go/internal/processor"
 )
 
 type TCPServer struct {
@@ -207,7 +206,7 @@ AcceptLoop:
 }
 
 func (ts *TCPServer) Output(ctx context.Context, payload any) error {
-	payloadBytes, ok := processor.GetAnyAs[[]byte](payload)
+	payloadBytes, ok := common.GetAnyAs[[]byte](payload)
 
 	if !ok {
 		return errors.New("net.tcp.server is only able to output bytes")

internal/module/udp-client.go

@@ -9,7 +9,6 @@ import (
 
 	"github.com/jwetzell/showbridge-go/internal/common"
 	"github.com/jwetzell/showbridge-go/internal/config"
-	"github.com/jwetzell/showbridge-go/internal/processor"
 )
 
 type UDPClient struct {
@@ -88,7 +87,7 @@ func (uc *UDPClient) Start(ctx context.Context) error {
 
 func (uc *UDPClient) Output(ctx context.Context, payload any) error {
 
-	payloadBytes, ok := processor.GetAnyAs[[]byte](payload)
+	payloadBytes, ok := common.GetAnyAs[[]byte](payload)
 	if !ok {
 		return errors.New("net.udp.client is only able to output bytes")
 	}

internal/module/udp-multicast.go

@@ -10,7 +10,6 @@ import (
 
 	"github.com/jwetzell/showbridge-go/internal/common"
 	"github.com/jwetzell/showbridge-go/internal/config"
-	"github.com/jwetzell/showbridge-go/internal/processor"
 )
 
 type UDPMulticast struct {
@@ -109,7 +108,7 @@ func (um *UDPMulticast) Start(ctx context.Context) error {
 
 func (um *UDPMulticast) Output(ctx context.Context, payload any) error {
 
-	payloadBytes, ok := processor.GetAnyAs[[]byte](payload)
+	payloadBytes, ok := common.GetAnyAs[[]byte](payload)
 	if !ok {
 		return errors.New("net.udp.multicast can only output bytes")
 	}

internal/processor/artnet-packet-decode.go

@@ -5,6 +5,7 @@ import (
 	"fmt"
 
 	"github.com/jwetzell/artnet-go"
+	"github.com/jwetzell/showbridge-go/internal/common"
 	"github.com/jwetzell/showbridge-go/internal/config"
 )
 
@@ -13,7 +14,7 @@ type ArtNetPacketDecode struct {
 }
 
 func (apd *ArtNetPacketDecode) Process(ctx context.Context, payload any) (any, error) {
-	payloadBytes, ok := GetAnyAs[[]byte](payload)
+	payloadBytes, ok := common.GetAnyAs[[]byte](payload)
 
 	if !ok {
 		return nil, fmt.Errorf("artnet.packet.decode processor only accepts a []byte")

internal/processor/artnet-packet-encode.go

@@ -5,6 +5,7 @@ import (
 	"fmt"
 
 	"github.com/jwetzell/artnet-go"
+	"github.com/jwetzell/showbridge-go/internal/common"
 	"github.com/jwetzell/showbridge-go/internal/config"
 )
 
@@ -13,7 +14,7 @@ type ArtNetPacketEncode struct {
 }
 
 func (ape *ArtNetPacketEncode) Process(ctx context.Context, payload any) (any, error) {
-	payloadPacket, ok := GetAnyAs[artnet.ArtNetPacket](payload)
+	payloadPacket, ok := common.GetAnyAs[artnet.ArtNetPacket](payload)
 
 	if !ok {
 		return nil, fmt.Errorf("artnet.packet.encode processor only accepts an ArtNetPacket")

internal/processor/filter-regex.go

@@ -6,41 +6,42 @@ import (
 	"fmt"
 	"regexp"
 
+	"github.com/jwetzell/showbridge-go/internal/common"
 	"github.com/jwetzell/showbridge-go/internal/config"
 )
 
-type StringFilter struct {
+type FilterRegex struct {
 	config  config.ProcessorConfig
 	Pattern *regexp.Regexp
 }
 
-func (sf *StringFilter) Process(ctx context.Context, payload any) (any, error) {
-	payloadString, ok := GetAnyAs[string](payload)
+func (fr *FilterRegex) Process(ctx context.Context, payload any) (any, error) {
+	payloadString, ok := common.GetAnyAs[string](payload)
 
 	if !ok {
-		return nil, errors.New("string.filter processor only accepts a string")
+		return nil, errors.New("filter.regex processor only accepts a string")
 	}
 
-	if !sf.Pattern.MatchString(payloadString) {
+	if !fr.Pattern.MatchString(payloadString) {
 		return nil, nil
 	}
 
 	return payloadString, nil
 }
 
-func (sf *StringFilter) Type() string {
-	return sf.config.Type
+func (fr *FilterRegex) Type() string {
+	return fr.config.Type
 }
 
 func init() {
 	RegisterProcessor(ProcessorRegistration{
-		Type: "string.filter",
+		Type: "filter.regex",
 		New: func(config config.ProcessorConfig) (Processor, error) {
 			params := config.Params
 
 			patternString, err := params.GetString("pattern")
 			if err != nil {
-				return nil, fmt.Errorf("string.filter pattern error: %w", err)
+				return nil, fmt.Errorf("filter.regex pattern error: %w", err)
 			}
 
 			patternRegexp, err := regexp.Compile(patternString)
@@ -49,7 +50,7 @@ func init() {
 				return nil, err
 			}
 
-			return &StringFilter{config: config, Pattern: patternRegexp}, nil
+			return &FilterRegex{config: config, Pattern: patternRegexp}, nil
 		},
 	})
 }

internal/processor/float-parse.go

@@ -6,6 +6,7 @@ import (
 	"fmt"
 	"strconv"
 
+	"github.com/jwetzell/showbridge-go/internal/common"
 	"github.com/jwetzell/showbridge-go/internal/config"
 )
 
@@ -15,7 +16,7 @@ type FloatParse struct {
 }
 
 func (fp *FloatParse) Process(ctx context.Context, payload any) (any, error) {
-	payloadString, ok := GetAnyAs[string](payload)
+	payloadString, ok := common.GetAnyAs[string](payload)
 
 	if !ok {
 		return nil, errors.New("float.parse processor only accepts a string")

internal/processor/free-d-decode.go

@@ -5,6 +5,7 @@ import (
 	"errors"
 
 	freeD "github.com/jwetzell/free-d-go"
+	"github.com/jwetzell/showbridge-go/internal/common"
 	"github.com/jwetzell/showbridge-go/internal/config"
 )
 
@@ -13,7 +14,7 @@ type FreeDDecode struct {
 }
 
 func (fd *FreeDDecode) Process(ctx context.Context, payload any) (any, error) {
-	payloadBytes, ok := GetAnyAs[[]byte](payload)
+	payloadBytes, ok := common.GetAnyAs[[]byte](payload)
 
 	if !ok {
 		return nil, errors.New("freed.decode processor only accepts a []byte")

internal/processor/free-d-encode.go

@@ -5,6 +5,7 @@ import (
 	"errors"
 
 	freeD "github.com/jwetzell/free-d-go"
+	"github.com/jwetzell/showbridge-go/internal/common"
 	"github.com/jwetzell/showbridge-go/internal/config"
 )
 
@@ -13,7 +14,7 @@ type FreeDEncode struct {
 }
 
 func (fe *FreeDEncode) Process(ctx context.Context, payload any) (any, error) {
-	payloadPosition, ok := GetAnyAs[freeD.FreeDPosition](payload)
+	payloadPosition, ok := common.GetAnyAs[freeD.FreeDPosition](payload)
 
 	if !ok {
 		return nil, errors.New("freed.decode processor only accepts a FreeDEncode")

internal/processor/int-parse.go

@@ -6,6 +6,7 @@ import (
 	"fmt"
 	"strconv"
 
+	"github.com/jwetzell/showbridge-go/internal/common"
 	"github.com/jwetzell/showbridge-go/internal/config"
 )
 
@@ -16,7 +17,7 @@ type IntParse struct {
 }
 
 func (ip *IntParse) Process(ctx context.Context, payload any) (any, error) {
-	payloadString, ok := GetAnyAs[string](payload)
+	payloadString, ok := common.GetAnyAs[string](payload)
 
 	if !ok {
 		return nil, errors.New("int.parse processor only accepts a string")

internal/processor/int-scale.go

@@ -0,0 +1,71 @@
+package processor
+
+import (
+	"context"
+	"errors"
+	"fmt"
+
+	"github.com/jwetzell/showbridge-go/internal/common"
+	"github.com/jwetzell/showbridge-go/internal/config"
+)
+
+type IntScale struct {
+	OutMin int
+	OutMax int
+	InMin  int
+	InMax  int
+	config config.ProcessorConfig
+}
+
+func (ir *IntScale) Process(ctx context.Context, payload any) (any, error) {
+	payloadInt, ok := common.GetAnyAs[int](payload)
+	if !ok {
+		return nil, errors.New("int.scale can only process an int")
+	}
+
+	payloadInt = (payloadInt-ir.InMin)*(ir.OutMax-ir.OutMin)/(ir.InMax-ir.InMin) + ir.OutMin
+	return payloadInt, nil
+}
+
+func (ir *IntScale) Type() string {
+	return ir.config.Type
+}
+
+func init() {
+	RegisterProcessor(ProcessorRegistration{
+		Type: "int.scale",
+		New: func(config config.ProcessorConfig) (Processor, error) {
+			params := config.Params
+
+			inMinInt, err := params.GetInt("inMin")
+			if err != nil {
+				return nil, fmt.Errorf("int.scale inMin error: %w", err)
+			}
+
+			inMaxInt, err := params.GetInt("inMax")
+			if err != nil {
+				return nil, fmt.Errorf("int.scale inMax error: %w", err)
+			}
+
+			if inMaxInt < inMinInt {
+				return nil, errors.New("int.scale inMax must be greater than inMin")
+			}
+
+			outMinInt, err := params.GetInt("outMin")
+			if err != nil {
+				return nil, fmt.Errorf("int.scale outMin error: %w", err)
+			}
+
+			outMaxInt, err := params.GetInt("outMax")
+			if err != nil {
+				return nil, fmt.Errorf("int.scale outMax error: %w", err)
+			}
+
+			if outMaxInt < outMinInt {
+				return nil, errors.New("int.scale outMax must be greater than outMin")
+			}
+
+			return &IntScale{config: config, InMin: inMinInt, InMax: inMaxInt, OutMin: outMinInt, OutMax: outMaxInt}, nil
+		},
+	})
+}

internal/processor/json-decode.go

@@ -5,6 +5,7 @@ import (
 	"encoding/json"
 	"errors"
 
+	"github.com/jwetzell/showbridge-go/internal/common"
 	"github.com/jwetzell/showbridge-go/internal/config"
 )
 
@@ -14,10 +15,10 @@ type JsonDecode struct {
 
 func (jd *JsonDecode) Process(ctx context.Context, payload any) (any, error) {
 
-	payloadBytes, ok := GetAnyAsByteSlice(payload)
+	payloadBytes, ok := common.GetAnyAsByteSlice(payload)
 
 	if !ok {
-		payloadString, ok := GetAnyAs[string](payload)
+		payloadString, ok := common.GetAnyAs[string](payload)
 		if !ok {
 			return nil, errors.New("json.decode can only process a string or []byte")
 		}

internal/processor/midi-message-decode.go

@@ -6,6 +6,7 @@ import (
 	"context"
 	"errors"
 
+	"github.com/jwetzell/showbridge-go/internal/common"
 	"github.com/jwetzell/showbridge-go/internal/config"
 	"gitlab.com/gomidi/midi/v2"
 )
@@ -15,7 +16,7 @@ type MIDIMessageDecode struct {
 }
 
 func (mmd *MIDIMessageDecode) Process(ctx context.Context, payload any) (any, error) {
-	payloadBytes, ok := GetAnyAs[[]byte](payload)
+	payloadBytes, ok := common.GetAnyAs[[]byte](payload)
 
 	if !ok {
 		return nil, errors.New("midi.message.decode processor only accepts a []byte")

internal/processor/midi-message-encode.go

@@ -6,6 +6,7 @@ import (
 	"context"
 	"errors"
 
+	"github.com/jwetzell/showbridge-go/internal/common"
 	"github.com/jwetzell/showbridge-go/internal/config"
 	"gitlab.com/gomidi/midi/v2"
 )
@@ -15,7 +16,7 @@ type MIDIMessageEncode struct {
 }
 
 func (mme *MIDIMessageEncode) Process(ctx context.Context, payload any) (any, error) {
-	payloadMessage, ok := GetAnyAs[midi.Message](payload)
+	payloadMessage, ok := common.GetAnyAs[midi.Message](payload)
 
 	if !ok {
 		return nil, errors.New("midi.message.encode processor only accepts a midi.Message")

internal/processor/midi-message-unpack.go

@@ -7,6 +7,7 @@ import (
 	"errors"
 	"fmt"
 
+	"github.com/jwetzell/showbridge-go/internal/common"
 	"github.com/jwetzell/showbridge-go/internal/config"
 	"gitlab.com/gomidi/midi/v2"
 )
@@ -45,7 +46,7 @@ type MIDIPitchBend struct {
 }
 
 func (mmu *MIDIMessageUnpack) Process(ctx context.Context, payload any) (any, error) {
-	payloadMidi, ok := GetAnyAs[midi.Message](payload)
+	payloadMidi, ok := common.GetAnyAs[midi.Message](payload)
 
 	if !ok {
 		return nil, errors.New("midi.message.unpack processor only accepts a midi.Message")

internal/processor/mqtt-message-encode.go

@@ -5,6 +5,7 @@ import (
 	"errors"
 
 	mqtt "github.com/eclipse/paho.mqtt.golang"
+	"github.com/jwetzell/showbridge-go/internal/common"
 	"github.com/jwetzell/showbridge-go/internal/config"
 )
 
@@ -13,7 +14,7 @@ type MQTTMessageEncode struct {
 }
 
 func (mme *MQTTMessageEncode) Process(ctx context.Context, payload any) (any, error) {
-	payloadMessage, ok := GetAnyAs[mqtt.Message](payload)
+	payloadMessage, ok := common.GetAnyAs[mqtt.Message](payload)
 
 	if !ok {
 		return nil, errors.New("mqtt.message.encode processor only accepts an mqtt.Message")

internal/processor/osc-message-decode.go

@@ -6,6 +6,7 @@ import (
 	"fmt"
 
 	osc "github.com/jwetzell/osc-go"
+	"github.com/jwetzell/showbridge-go/internal/common"
 	"github.com/jwetzell/showbridge-go/internal/config"
 )
 
@@ -14,7 +15,7 @@ type OSCMessageDecode struct {
 }
 
 func (omd *OSCMessageDecode) Process(ctx context.Context, payload any) (any, error) {
-	payloadBytes, ok := GetAnyAs[[]byte](payload)
+	payloadBytes, ok := common.GetAnyAs[[]byte](payload)
 
 	if !ok {
 		return nil, errors.New("osc.message.decode processor only accepts a []byte payload")

internal/processor/osc-message-encode.go

@@ -5,6 +5,7 @@ import (
 	"errors"
 
 	osc "github.com/jwetzell/osc-go"
+	"github.com/jwetzell/showbridge-go/internal/common"
 	"github.com/jwetzell/showbridge-go/internal/config"
 )
 
@@ -13,7 +14,7 @@ type OSCMessageEncode struct {
 }
 
 func (ome *OSCMessageEncode) Process(ctx context.Context, payload any) (any, error) {
-	payloadMessage, ok := GetAnyAs[*osc.OSCMessage](payload)
+	payloadMessage, ok := common.GetAnyAs[*osc.OSCMessage](payload)
 
 	if !ok {
 		return nil, errors.New("osc.message.encode processor only accepts an *OSCMessage")

internal/processor/processor.go

@@ -3,8 +3,6 @@ package processor
 import (
 	"context"
 	"fmt"
-	"math"
-	"reflect"
 	"sync"
 
 	"github.com/jwetzell/showbridge-go/internal/common"
@@ -44,57 +42,6 @@ var (
 	ProcessorRegistry   = make(map[string]ProcessorRegistration)
 )
 
-func GetAnyAs[T any](p any) (T, bool) {
-	typed, ok := p.(T)
-	return typed, ok
-}
-
-func GetAnyAsByteSlice(p any) ([]byte, bool) {
-	v := reflect.ValueOf(p)
-	if v.Kind() != reflect.Slice {
-		return nil, false
-	}
-
-	result := make([]byte, v.Len())
-	for i := 0; i < v.Len(); i++ {
-		elem := v.Index(i).Interface()
-		byteValue, ok := elem.(byte)
-		if ok {
-			result[i] = byteValue
-			continue
-		}
-		uintValue, ok := elem.(uint)
-		if ok {
-			if uintValue > 255 {
-				return nil, false
-			}
-			result[i] = byte(uintValue)
-			continue
-		}
-		intValue, ok := elem.(int)
-		if ok {
-			if intValue < 0 || intValue > 255 {
-				return nil, false
-			}
-			result[i] = byte(intValue)
-			continue
-		}
-		floatValue, ok := elem.(float64)
-		if ok {
-			if floatValue != math.Floor(floatValue) {
-				return nil, false
-			}
-			if floatValue < 0 || floatValue > 255 {
-				return nil, false
-			}
-			result[i] = byte(floatValue)
-			continue
-		}
-		return nil, false
-	}
-	return result, true
-}
-
 type TemplateData struct {
 	Payload any
 	Modules any

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
+		},
+	})
+}

internal/processor/script-js.go

@@ -11,43 +11,39 @@ import (
 )
 
 type ScriptJS struct {
-	config  config.ProcessorConfig
-	Program string
+	config      config.ProcessorConfig
+	vm          *quickjs.VM
+	payloadAtom quickjs.Atom
+	senderAtom  quickjs.Atom
+	Program     string
 }
 
 func (sj *ScriptJS) Process(ctx context.Context, payload any) (any, error) {
 
-	vm, err := quickjs.NewVM()
+	//NOTE(jwetzell): some weird conversion going on with these types
+	_, isUint8Slice := common.GetAnyAs[[]uint8](payload)
+	_, isbyteSlice := common.GetAnyAs[[]byte](payload)
 
-	if err != nil {
-		return nil, err
-	}
-	defer vm.Close()
-	payloadAtom, err := vm.NewAtom("payload")
+	if isUint8Slice || isbyteSlice {
+		intSlice, ok := common.GetAnyAsIntSlice(payload)
 
-	if err != nil {
-		return nil, err
+		if ok {
+			payload = intSlice
+		}
 	}
 
-	vm.SetProperty(vm.GlobalObject(), payloadAtom, payload)
+	sj.vm.SetProperty(sj.vm.GlobalObject(), sj.payloadAtom, payload)
 
 	sender := ctx.Value(common.SenderContextKey)
-	if sender != nil {
-		senderAtom, err := vm.NewAtom("sender")
+	sj.vm.SetProperty(sj.vm.GlobalObject(), sj.senderAtom, sender)
 
-		if err != nil {
-			return nil, err
-		}
-		vm.SetProperty(vm.GlobalObject(), senderAtom, sender)
-	}
-
-	_, err = vm.Eval(sj.Program, quickjs.EvalGlobal)
+	_, err := sj.vm.Eval(sj.Program, quickjs.EvalGlobal)
 
 	if err != nil {
 		return nil, err
 	}
 
-	output, err := vm.GetProperty(vm.GlobalObject(), payloadAtom)
+	output, err := sj.vm.GetProperty(sj.vm.GlobalObject(), sj.payloadAtom)
 
 	if err != nil {
 		return nil, err
@@ -65,6 +61,7 @@ func (sj *ScriptJS) Process(ctx context.Context, payload any) (any, error) {
 
 	if ok {
 		var outputMap map[string]interface{}
+		fmt.Println(outputObject.String())
 		err := json.Unmarshal([]byte(outputObject.String()), &outputMap)
 		return outputMap, err
 	}
@@ -87,7 +84,23 @@ func init() {
 				return nil, fmt.Errorf("script.js program error: %w", err)
 			}
 
-			return &ScriptJS{config: config, Program: programString}, nil
+			vm, err := quickjs.NewVM()
+
+			if err != nil {
+				return nil, err
+			}
+
+			payloadAtom, err := vm.NewAtom("payload")
+			if err != nil {
+				return nil, err
+			}
+
+			senderAtom, err := vm.NewAtom("sender")
+			if err != nil {
+				return nil, err
+			}
+
+			return &ScriptJS{config: config, Program: programString, vm: vm, payloadAtom: payloadAtom, senderAtom: senderAtom}, nil
 		},
 	})
 }

internal/processor/script-wasm.go

@@ -6,6 +6,7 @@ import (
 	"fmt"
 
 	extism "github.com/extism/go-sdk"
+	"github.com/jwetzell/showbridge-go/internal/common"
 	"github.com/jwetzell/showbridge-go/internal/config"
 )
 
@@ -17,7 +18,7 @@ type ScriptWASM struct {
 
 func (sw *ScriptWASM) Process(ctx context.Context, payload any) (any, error) {
 
-	payloadBytes, ok := GetAnyAs[[]byte](payload)
+	payloadBytes, ok := common.GetAnyAs[[]byte](payload)
 
 	if !ok {
 		return nil, fmt.Errorf("script.wasm can only process a byte array")

internal/processor/string-decode.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"errors"
 
+	"github.com/jwetzell/showbridge-go/internal/common"
 	"github.com/jwetzell/showbridge-go/internal/config"
 )
 
@@ -12,7 +13,7 @@ type StringDecode struct {
 }
 
 func (sd *StringDecode) Process(ctx context.Context, payload any) (any, error) {
-	payloadBytes, ok := GetAnyAs[[]byte](payload)
+	payloadBytes, ok := common.GetAnyAs[[]byte](payload)
 
 	if !ok {
 		return nil, errors.New("string.decode processor only accepts a []byte")

internal/processor/string-encode.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"errors"
 
+	"github.com/jwetzell/showbridge-go/internal/common"
 	"github.com/jwetzell/showbridge-go/internal/config"
 )
 
@@ -12,7 +13,7 @@ type StringEncode struct {
 }
 
 func (se *StringEncode) Process(ctx context.Context, payload any) (any, error) {
-	payloadString, ok := GetAnyAs[string](payload)
+	payloadString, ok := common.GetAnyAs[string](payload)
 
 	if !ok {
 		return nil, errors.New("string.encode processor only accepts a string")

internal/processor/string-split.go

@@ -6,6 +6,7 @@ import (
 	"fmt"
 	"strings"
 
+	"github.com/jwetzell/showbridge-go/internal/common"
 	"github.com/jwetzell/showbridge-go/internal/config"
 )
 
@@ -15,7 +16,7 @@ type StringSplit struct {
 }
 
 func (ss *StringSplit) Process(ctx context.Context, payload any) (any, error) {
-	payloadString, ok := GetAnyAs[string](payload)
+	payloadString, ok := common.GetAnyAs[string](payload)
 
 	if !ok {
 		return nil, errors.New("string.split only accepts a string")

internal/processor/test/filter-regex_test.go

@@ -9,23 +9,23 @@ import (
 )
 
 func TestStringFilterFromRegistry(t *testing.T) {
-	registration, ok := processor.ProcessorRegistry["string.filter"]
+	registration, ok := processor.ProcessorRegistry["filter.regex"]
 	if !ok {
-		t.Fatalf("string.filter processor not registered")
+		t.Fatalf("filter.regex processor not registered")
 	}
 
 	processorInstance, err := registration.New(config.ProcessorConfig{
-		Type: "string.filter",
+		Type: "filter.regex",
 		Params: map[string]any{
 			"pattern": "hello",
 		},
 	})
 	if err != nil {
-		t.Fatalf("failed to create string.filter processor: %s", err)
+		t.Fatalf("failed to create filter.regex processor: %s", err)
 	}
 
-	if processorInstance.Type() != "string.filter" {
-		t.Fatalf("string.filter processor has wrong type: %s", processorInstance.Type())
+	if processorInstance.Type() != "filter.regex" {
+		t.Fatalf("filter.regex processor has wrong type: %s", processorInstance.Type())
 	}
 
 	payload := "hello"
@@ -33,17 +33,17 @@ func TestStringFilterFromRegistry(t *testing.T) {
 
 	got, err := processorInstance.Process(t.Context(), payload)
 	if err != nil {
-		t.Fatalf("string.filter processing failed: %s", err)
+		t.Fatalf("filter.regex processing failed: %s", err)
 	}
 
 	gotString, ok := got.(string)
 
 	if !ok {
-		t.Fatalf("string.filter should return byte slice")
+		t.Fatalf("filter.regex should return byte slice")
 	}
 
 	if gotString != expected {
-		t.Fatalf("string.filter got %+v, expected %+v", got, expected)
+		t.Fatalf("filter.regex got %+v, expected %+v", got, expected)
 	}
 }
 
@@ -76,40 +76,40 @@ func TestGoodStringFilter(t *testing.T) {
 
 	for _, test := range tests {
 		t.Run(test.name, func(t *testing.T) {
-			registration, ok := processor.ProcessorRegistry["string.filter"]
+			registration, ok := processor.ProcessorRegistry["filter.regex"]
 			if !ok {
-				t.Fatalf("string.filter processor not registered")
+				t.Fatalf("filter.regex processor not registered")
 			}
 
 			processorInstance, err := registration.New(config.ProcessorConfig{
-				Type:   "string.filter",
+				Type:   "filter.regex",
 				Params: test.params,
 			})
 
 			if err != nil {
-				t.Fatalf("string.filter failed to create processor: %s", err)
+				t.Fatalf("filter.regex failed to create processor: %s", err)
 			}
 
 			got, err := processorInstance.Process(t.Context(), test.payload)
 
 			if err != nil {
-				t.Fatalf("string.filter processing failed: %s", err)
+				t.Fatalf("filter.regex processing failed: %s", err)
 			}
 
 			if test.expected == nil {
 				if got != nil {
-					t.Fatalf("string.filter got %+v, expected nil", got)
+					t.Fatalf("filter.regex got %+v, expected nil", got)
 				}
 				return
 			}
 
 			gotString, ok := got.(string)
 			if !ok {
-				t.Fatalf("string.filter returned a %T payload: %s", got, got)
+				t.Fatalf("filter.regex returned a %T payload: %s", got, got)
 			}
 
 			if !reflect.DeepEqual(gotString, test.expected) {
-				t.Fatalf("string.filter got %+v, expected %+v", gotString, test.expected)
+				t.Fatalf("filter.regex got %+v, expected %+v", gotString, test.expected)
 			}
 		})
 	}
@@ -126,7 +126,7 @@ func TestBadStringFilter(t *testing.T) {
 			name:        "no pattern param",
 			payload:     "hello",
 			params:      map[string]any{},
-			errorString: "string.filter pattern error: not found",
+			errorString: "filter.regex pattern error: not found",
 		},
 		{
 			name:    "non-string input",
@@ -134,7 +134,7 @@ func TestBadStringFilter(t *testing.T) {
 			params: map[string]any{
 				"pattern": "hello",
 			},
-			errorString: "string.filter processor only accepts a string",
+			errorString: "filter.regex processor only accepts a string",
 		},
 		{
 			name:    "non-string pattern param",
@@ -142,7 +142,7 @@ func TestBadStringFilter(t *testing.T) {
 			params: map[string]any{
 				"pattern": 123,
 			},
-			errorString: "string.filter pattern error: not a string",
+			errorString: "filter.regex pattern error: not a string",
 		},
 		{
 			name:    "invalid regex pattern",
@@ -156,19 +156,19 @@ func TestBadStringFilter(t *testing.T) {
 
 	for _, test := range tests {
 		t.Run(test.name, func(t *testing.T) {
-			registration, ok := processor.ProcessorRegistry["string.filter"]
+			registration, ok := processor.ProcessorRegistry["filter.regex"]
 			if !ok {
-				t.Fatalf("string.filter processor not registered")
+				t.Fatalf("filter.regex processor not registered")
 			}
 
 			processorInstance, err := registration.New(config.ProcessorConfig{
-				Type:   "string.filter",
+				Type:   "filter.regex",
 				Params: test.params,
 			})
 
 			if err != nil {
 				if test.errorString != err.Error() {
-					t.Fatalf("string.filter got error '%s', expected '%s'", err.Error(), test.errorString)
+					t.Fatalf("filter.regex got error '%s', expected '%s'", err.Error(), test.errorString)
 				}
 				return
 			}
@@ -176,11 +176,11 @@ func TestBadStringFilter(t *testing.T) {
 			got, err := processorInstance.Process(t.Context(), test.payload)
 
 			if err == nil {
-				t.Fatalf("string.filter expected to fail but got payload: %s", got)
+				t.Fatalf("filter.regex expected to fail but got payload: %s", got)
 			}
 
 			if err.Error() != test.errorString {
-				t.Fatalf("string.filter got error '%s', expected '%s'", err.Error(), test.errorString)
+				t.Fatalf("filter.regex got error '%s', expected '%s'", err.Error(), test.errorString)
 			}
 		})
 	}

internal/processor/test/int-scale_test.go

@@ -0,0 +1,170 @@
+package processor_test
+
+import (
+	"testing"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/processor"
+)
+
+func TestIntScaleFromRegistry(t *testing.T) {
+	registration, ok := processor.ProcessorRegistry["int.scale"]
+	if !ok {
+		t.Fatalf("int.scale processor not registered")
+	}
+
+	processorInstance, err := registration.New(config.ProcessorConfig{
+		Type: "int.scale",
+		Params: map[string]any{
+			"inMin":  0,
+			"inMax":  10,
+			"outMin": 0,
+			"outMax": 127,
+		},
+	})
+
+	if err != nil {
+		t.Fatalf("failed to create int.scale processor: %s", err)
+	}
+
+	if processorInstance.Type() != "int.scale" {
+		t.Fatalf("int.scale processor has wrong type: %s", processorInstance.Type())
+	}
+}
+
+func TestGoodIntScale(t *testing.T) {
+	tests := []struct {
+		name     string
+		payload  any
+		params   map[string]any
+		expected int
+	}{
+		{
+			name: "0-10 -> 0-127",
+			params: map[string]any{
+				"inMin":  0,
+				"inMax":  10,
+				"outMin": 0,
+				"outMax": 127,
+			},
+			payload:  5,
+			expected: 63,
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			registration, ok := processor.ProcessorRegistry["int.scale"]
+			if !ok {
+				t.Fatalf("int.scale processor not registered")
+			}
+
+			processorInstance, err := registration.New(config.ProcessorConfig{
+				Type:   "int.scale",
+				Params: test.params,
+			})
+
+			if err != nil {
+				t.Fatalf("int.scale failed to create processor: %s", err)
+			}
+
+			got, err := processorInstance.Process(t.Context(), test.payload)
+			if err != nil {
+				t.Fatalf("int.scale processing failed: %s", err)
+			}
+
+			gotInt, ok := got.(int)
+			if !ok {
+				t.Fatalf("int.scale returned a %T payload: %s", got, got)
+			}
+
+			if gotInt != test.expected {
+				t.Fatalf("int.scale got %d, expected %d", gotInt, test.expected)
+			}
+		})
+	}
+}
+
+func TestBadIntScale(t *testing.T) {
+	tests := []struct {
+		name        string
+		params      map[string]any
+		payload     any
+		errorString string
+	}{
+		{
+			name:        "no inMin param",
+			payload:     "hello",
+			params:      map[string]any{"inMax": 10, "outMin": 0, "outMax": 127},
+			errorString: "int.scale inMin error: not found",
+		},
+		{
+			name:        "no inMax param",
+			payload:     "hello",
+			params:      map[string]any{"inMin": 0, "outMin": 0, "outMax": 127},
+			errorString: "int.scale inMax error: not found",
+		},
+		{
+			name:        "no outMin param",
+			payload:     "hello",
+			params:      map[string]any{"inMin": 0, "inMax": 10, "outMax": 127},
+			errorString: "int.scale outMin error: not found",
+		},
+		{
+			name:        "no outMax param",
+			payload:     "hello",
+			params:      map[string]any{"inMin": 0, "inMax": 10, "outMin": 0},
+			errorString: "int.scale outMax error: not found",
+		},
+		{
+			name:        "inMin param not a number",
+			payload:     "hello",
+			params:      map[string]any{"inMin": "0", "max": 10, "outMin": 0, "outMax": 127},
+			errorString: "int.scale inMin error: not a number",
+		},
+		{
+			name:        "inMax param not a number",
+			payload:     "hello",
+			params:      map[string]any{"inMin": 0, "inMax": "10", "outMin": 0, "outMax": 127},
+			errorString: "int.scale inMax error: not a number",
+		},
+		{
+			name:        "inMax less than inMin",
+			payload:     "hello",
+			params:      map[string]any{"inMin": 10, "inMax": 0, "outMin": 0, "outMax": 127},
+			errorString: "int.scale inMax must be greater than inMin",
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+
+			registration, ok := processor.ProcessorRegistry["int.scale"]
+			if !ok {
+				t.Fatalf("int.scale processor not registered")
+			}
+
+			processorInstance, err := registration.New(config.ProcessorConfig{
+				Type:   "int.scale",
+				Params: test.params,
+			})
+
+			if err != nil {
+				if test.errorString != err.Error() {
+					t.Fatalf("int.scale got error '%s', expected '%s'", err.Error(), test.errorString)
+				}
+				return
+			}
+
+			got, err := processorInstance.Process(t.Context(), test.payload)
+
+			if err == nil {
+				t.Fatalf("int.scale expected to fail but got payload: %s", got)
+			}
+
+			if err.Error() != test.errorString {
+				t.Fatalf("int.scale got error '%s', expected '%s'", err.Error(), test.errorString)
+			}
+		})
+	}
+}

internal/processor/test/mqtt-message-create_test.go

@@ -204,7 +204,7 @@ func TestBadMQTTMessageCreate(t *testing.T) {
 				"payload":  123,
 			},
 			payload:     1,
-			errorString: "mqtt.message.create payload error: not a slice",
+			errorString: "mqtt.message.create payload error: not a byte slice",
 		},
 	}
 

internal/route/route.go

@@ -13,9 +13,9 @@ import (
 )
 
 type RouteError struct {
-	Index  int
-	Config config.RouteConfig
-	Error  error
+	Index  int                `json:"index"`
+	Config config.RouteConfig `json:"config"`
+	Error  string             `json:"error"`
 }
 type Route struct {
 	input      string
@@ -49,7 +49,7 @@ func (r *Route) Input() string {
 
 func (r *Route) ProcessPayload(ctx context.Context, payload any) (any, error) {
 	tracer := otel.Tracer("route")
-	processCtx, processSpan := tracer.Start(ctx, "ProcessPayload")
+	processCtx, processSpan := tracer.Start(ctx, "ProcessPayload", trace.WithAttributes(attribute.String("payload.type", fmt.Sprintf("%T", payload))))
 	defer processSpan.End()
 	for processorIndex, processor := range r.processors {
 		processorCtx, processorSpan := otel.Tracer("processor").Start(processCtx, "process", trace.WithAttributes(attribute.Int("processor.index", processorIndex), attribute.String("processor.type", processor.Type())))

internal/route/route_test.go

@@ -7,7 +7,6 @@ import (
 
 	"github.com/jwetzell/showbridge-go/internal/common"
 	"github.com/jwetzell/showbridge-go/internal/config"
-	"github.com/jwetzell/showbridge-go/internal/processor"
 	"github.com/jwetzell/showbridge-go/internal/route"
 )
 
@@ -61,7 +60,7 @@ func TestGoodRouteHandleInput(t *testing.T) {
 		t.Fatalf("route ProcessPayload returned error: %v", err)
 	}
 
-	payloadBytes, ok := processor.GetAnyAs[[]byte](payload)
+	payloadBytes, ok := common.GetAnyAs[[]byte](payload)
 	if !ok {
 		t.Fatalf("payload should be []byte got %T", payload)
 	}

router.go

@@ -4,8 +4,11 @@ import (
 	"context"
 	"errors"
 	"log/slog"
+	"net/http"
+	"reflect"
 	"sync"
 
+	"github.com/gorilla/websocket"
 	"github.com/jwetzell/showbridge-go/internal/common"
 	"github.com/jwetzell/showbridge-go/internal/config"
 	"github.com/jwetzell/showbridge-go/internal/module"
@@ -17,15 +20,24 @@ import (
 	"go.opentelemetry.io/otel/trace"
 )
 
+// TODO(jwetzell): can/should this be split into different components?
 type Router struct {
-	contextCancel   context.CancelFunc
-	Context         context.Context
+	contextCancel context.CancelFunc
+	Context       context.Context
+	// TODO(jwetzell): do these need to be guarded against concurrency?
 	ModuleInstances map[string]module.Module
 	// TODO(jwetzell): change to something easier to lookup
-	RouteInstances []*route.Route
-	moduleWait     sync.WaitGroup
-	logger         *slog.Logger
-	runningConfig  config.Config
+	RouteInstances    []*route.Route
+	ConfigChange      chan config.Config
+	moduleWait        sync.WaitGroup
+	logger            *slog.Logger
+	runningConfig     config.Config
+	runningConfigMu   sync.RWMutex
+	wsConns           []*websocket.Conn
+	wsConnsMu         sync.Mutex
+	apiServer         *http.Server
+	apiServerMu       sync.Mutex
+	apiServerShutdown context.CancelFunc
 }
 
 func (r *Router) addModule(moduleDecl config.ModuleConfig) error {
@@ -102,19 +114,20 @@ func (r *Router) getModule(moduleId string) module.Module {
 	return moduleInstance
 }
 
-func NewRouter(config config.Config) (*Router, []module.ModuleError, []route.RouteError) {
+func NewRouter(routerConfig config.Config) (*Router, []module.ModuleError, []route.RouteError) {
 
 	router := Router{
 		ModuleInstances: make(map[string]module.Module),
 		RouteInstances:  []*route.Route{},
+		ConfigChange:    make(chan config.Config, 1),
 		logger:          slog.Default().With("component", "router"),
-		runningConfig:   config,
+		runningConfig:   routerConfig,
 	}
 	router.logger.Debug("creating")
 
 	var moduleErrors []module.ModuleError
 
-	for moduleIndex, moduleDecl := range config.Modules {
+	for moduleIndex, moduleDecl := range routerConfig.Modules {
 
 		err := router.addModule(moduleDecl)
 		if err != nil {
@@ -124,7 +137,7 @@ func NewRouter(config config.Config) (*Router, []module.ModuleError, []route.Rou
 			moduleErrors = append(moduleErrors, module.ModuleError{
 				Index:  moduleIndex,
 				Config: moduleDecl,
-				Error:  err,
+				Error:  err.Error(),
 			})
 			continue
 		}
@@ -132,7 +145,7 @@ func NewRouter(config config.Config) (*Router, []module.ModuleError, []route.Rou
 	}
 
 	var routeErrors []route.RouteError
-	for routeIndex, routeDecl := range config.Routes {
+	for routeIndex, routeDecl := range routerConfig.Routes {
 		err := router.addRoute(routeDecl)
 		if err != nil {
 			if routeErrors == nil {
@@ -141,7 +154,7 @@ func NewRouter(config config.Config) (*Router, []module.ModuleError, []route.Rou
 			routeErrors = append(routeErrors, route.RouteError{
 				Index:  routeIndex,
 				Config: routeDecl,
-				Error:  err,
+				Error:  err.Error(),
 			})
 			continue
 		}
@@ -155,13 +168,11 @@ func (r *Router) Start(ctx context.Context) {
 	routerContext, cancel := context.WithCancel(ctx)
 	r.Context = routerContext
 	r.contextCancel = cancel
-	contextWithRouter := context.WithValue(routerContext, common.RouterContextKey, r)
-
-	for moduleId := range r.ModuleInstances {
-		// TODO(jwetzell): handle module run errors
-		r.startModule(contextWithRouter, moduleId)
-	}
+	r.startModules()
+	r.startAPIServer(r.runningConfig.Api)
 	<-r.Context.Done()
+	r.logger.Debug("shutting down api server")
+	r.stopAPIServer()
 	r.logger.Debug("waiting for modules to exit")
 	r.moduleWait.Wait()
 	r.logger.Info("done")
@@ -173,11 +184,21 @@ func (r *Router) Stop() {
 }
 
 func (r *Router) HandleInput(ctx context.Context, sourceId string, payload any) (bool, []common.RouteIOError) {
-	spanCtx, span := otel.Tracer("router").Start(ctx, "input", trace.WithAttributes(attribute.String("source.id", sourceId)), trace.WithNewRoot())
+	r.runningConfigMu.RLock()
+	defer r.runningConfigMu.RUnlock()
+
+	spanCtx, span := otel.Tracer("router").Start(ctx, "input", trace.WithAttributes(attribute.String("source.id", sourceId)))
 	defer span.End()
 	var routeIOErrors []common.RouteIOError
 	routeFound := false
 
+	r.broadcastEvent(Event{
+		Type: "input",
+		Data: map[string]any{
+			"source": sourceId,
+		},
+	})
+
 	var routeWaitGroup sync.WaitGroup
 
 	for routeIndex, routeInstance := range r.RouteInstances {
@@ -204,8 +225,21 @@ func (r *Router) HandleInput(ctx context.Context, sourceId string, payload any)
 						Index:        routeIndex,
 						ProcessError: err,
 					})
+					r.broadcastEvent(Event{
+						Type: "route",
+						Data: map[string]any{
+							"index": routeIndex,
+						},
+						Error: err.Error(),
+					})
 					return
 				}
+				r.broadcastEvent(Event{
+					Type: "route",
+					Data: map[string]any{
+						"index": routeIndex,
+					},
+				})
 				routeSpan.End()
 			})
 		}
@@ -217,7 +251,12 @@ func (r *Router) HandleInput(ctx context.Context, sourceId string, payload any)
 func (r *Router) HandleOutput(ctx context.Context, destinationId string, payload any) error {
 	spanCtx, span := otel.Tracer("router").Start(ctx, "output", trace.WithAttributes(attribute.String("destination.id", destinationId)))
 	defer span.End()
-
+	outputEvent := Event{
+		Type: "output",
+		Data: map[string]any{
+			"destination": destinationId,
+		},
+	}
 	destinationModule := r.getModule(destinationId)
 
 	if destinationModule == nil {
@@ -225,6 +264,8 @@ func (r *Router) HandleOutput(ctx context.Context, destinationId string, payload
 		span.SetStatus(codes.Error, err.Error())
 		span.RecordError(err)
 		r.logger.Error("no module found for destination id", "destinationId", destinationId)
+		outputEvent.Error = err.Error()
+		r.broadcastEvent(outputEvent)
 		return err
 	}
 
@@ -235,14 +276,93 @@ func (r *Router) HandleOutput(ctx context.Context, destinationId string, payload
 		moduleOutputSpan.SetStatus(codes.Error, err.Error())
 		moduleOutputSpan.RecordError(err)
 		r.logger.ErrorContext(moduleOutputCtx, "module output encountered error", "module", destinationModule.Id(), "error", err)
+		outputEvent.Error = err.Error()
+		r.broadcastEvent(outputEvent)
 		return err
 	} else {
 		moduleOutputSpan.SetStatus(codes.Ok, "module output successful")
 	}
-
+	r.broadcastEvent(outputEvent)
 	return nil
 }
 
+func (r *Router) startModules() {
+	contextWithRouter := context.WithValue(r.Context, common.RouterContextKey, r)
+
+	for moduleId := range r.ModuleInstances {
+		// TODO(jwetzell): handle module run errors
+		err := r.startModule(contextWithRouter, moduleId)
+		if err != nil {
+			r.logger.Error("error starting module", "moduleId", moduleId, "error", err)
+		}
+	}
+}
+
 func (r *Router) RunningConfig() config.Config {
+	r.runningConfigMu.RLock()
+	defer r.runningConfigMu.RLock()
 	return r.runningConfig
 }
+
+func (r *Router) UpdateConfig(newConfig config.Config) ([]module.ModuleError, []route.RouteError) {
+	r.runningConfigMu.Lock()
+	defer r.runningConfigMu.Unlock()
+	oldConfig := r.runningConfig
+	r.logger.Debug("received config update", "oldConfig", oldConfig, "newConfig", newConfig)
+
+	if !reflect.DeepEqual(oldConfig.Api, newConfig.Api) {
+		r.logger.Info("applying new API config")
+		r.stopAPIServer()
+		r.startAPIServer(newConfig.Api)
+		r.runningConfig.Api = newConfig.Api
+	}
+
+	// TODO(jwetzell): handle config update errors better
+	for _, moduleInstance := range r.ModuleInstances {
+		moduleInstance.Stop()
+	}
+	r.logger.Debug("waiting for modules to exit")
+	r.moduleWait.Wait()
+
+	r.ModuleInstances = make(map[string]module.Module)
+	r.RouteInstances = []*route.Route{}
+
+	var moduleErrors []module.ModuleError
+
+	for moduleIndex, moduleDecl := range newConfig.Modules {
+
+		err := r.addModule(moduleDecl)
+		if err != nil {
+			if moduleErrors == nil {
+				moduleErrors = []module.ModuleError{}
+			}
+			moduleErrors = append(moduleErrors, module.ModuleError{
+				Index:  moduleIndex,
+				Config: moduleDecl,
+				Error:  err.Error(),
+			})
+			continue
+		}
+
+	}
+
+	var routeErrors []route.RouteError
+	for routeIndex, routeDecl := range newConfig.Routes {
+		err := r.addRoute(routeDecl)
+		if err != nil {
+			if routeErrors == nil {
+				routeErrors = []route.RouteError{}
+			}
+			routeErrors = append(routeErrors, route.RouteError{
+				Index:  routeIndex,
+				Config: routeDecl,
+				Error:  err.Error(),
+			})
+			continue
+		}
+	}
+	r.runningConfig = newConfig
+	r.startModules()
+
+	return moduleErrors, routeErrors
+}

router_test.go

@@ -149,8 +149,8 @@ func TestNewRouterDuplicateModuleId(t *testing.T) {
 		t.Fatalf("router should have returned exactly 1 module error, got: %d", len(moduleErrors))
 	}
 
-	if moduleErrors[0].Error.Error() != "module id already exists" {
-		t.Fatalf("module error did not match expected, got: %s", moduleErrors[0].Error.Error())
+	if moduleErrors[0].Error != "module id already exists" {
+		t.Fatalf("module error did not match expected, got: %s", moduleErrors[0].Error)
 	}
 }
 
@@ -184,8 +184,8 @@ func TestNewRouterRouteWithUnknwonProcessor(t *testing.T) {
 		t.Fatalf("router should have returned exactly 1 route error, got: %d", len(routeErrors))
 	}
 
-	if routeErrors[0].Error.Error() != "problem loading processor registration for processor type: asdfasdf" {
-		t.Fatalf("route error did not match expected, got: %s", routeErrors[0].Error.Error())
+	if routeErrors[0].Error != "problem loading processor registration for processor type: asdfasdf" {
+		t.Fatalf("route error did not match expected, got: %s", routeErrors[0].Error)
 	}
 }
 

schema/config.schema.json

@@ -5,6 +5,16 @@
   "description": "showbridge configuration",
   "type": "object",
   "properties": {
+    "api": {
+      "type": "object",
+      "properties": {
+        "port": {
+          "type": "integer",
+          "description": "Port for the API server to listen on"
+        }
+      },
+      "required": ["port"]
+    },
     "modules": {
       "$ref": "https://showbridge.io/modules.schema.json"
     },

schema/modules.schema.json

@@ -23,7 +23,7 @@
               "port": {
                 "title": "Port",
                 "type": "integer",
-                "minimum": 1,
+                "minimum": 1024,
                 "maximum": 65535
               }
             },
@@ -226,7 +226,7 @@
               "port": {
                 "title": "Port",
                 "type": "integer",
-                "minimum": 1,
+                "minimum": 1024,
                 "maximum": 65535,
                 "default": 4222
               }
@@ -305,7 +305,7 @@
               "port": {
                 "title": "Port",
                 "type": "integer",
-                "minimum": 1,
+                "minimum": 1024,
                 "maximum": 65535,
                 "default": 5060
               },
@@ -350,7 +350,7 @@
               "port": {
                 "title": "Port",
                 "type": "integer",
-                "minimum": 1,
+                "minimum": 1024,
                 "maximum": 65535,
                 "default": 5060
               },
@@ -436,9 +436,9 @@
                 "default": "0.0.0.0"
               },
               "port": {
-                "title" : "Port",
+                "title": "Port",
                 "type": "integer",
-                "minimum": 1,
+                "minimum": 1024,
                 "maximum": 65535
               },
               "framing": {
@@ -507,7 +507,7 @@
               "port": {
                 "title": "Port",
                 "type": "integer",
-                "minimum": 1,
+                "minimum": 1024,
                 "maximum": 65535
               }
             },
@@ -540,7 +540,7 @@
               "port": {
                 "title": "Port",
                 "type": "integer",
-                "minimum": 1,
+                "minimum": 1024,
                 "maximum": 65535
               }
             },

schema/processors.schema.json

@@ -65,6 +65,29 @@
         "required": ["type", "params"],
         "additionalProperties": false
       },
+      {
+        "type": "object",
+        "title": "Filter by Regex",
+        "properties": {
+          "type": {
+            "type": "string",
+            "const": "filter.regex"
+          },
+          "params": {
+            "type": "object",
+            "properties": {
+              "pattern": {
+                "title": "Pattern",
+                "type": "string"
+              }
+            },
+            "required": ["pattern"],
+            "additionalProperties": false
+          }
+        },
+        "required": ["type", "params"],
+        "additionalProperties": false
+      },
       {
         "type": "object",
         "title": "Parse Float",
@@ -117,7 +140,7 @@
                 "type": "string"
               },
               "posX": {
-                  "title": "Position X",
+                "title": "Position X",
                 "type": "string"
               },
               "posY": {
@@ -190,7 +213,7 @@
             "type": "object",
             "properties": {
               "method": {
-                  "title": "HTTP Method",
+                "title": "HTTP Method",
                 "type": "string",
                 "enum": ["GET", "POST"]
               },
@@ -245,9 +268,9 @@
             "type": "object",
             "properties": {
               "base": {
-                  "title": "Base",
+                "title": "Base",
                 "type": "integer",
-                "enum": [0,2, 8, 10, 16],
+                "enum": [0, 2, 8, 10, 16],
                 "default": 10
               },
               "bitSize": {
@@ -255,7 +278,7 @@
                 "type": "integer",
                 "enum": [0, 8, 16, 32, 64],
                 "default": 64
-               }
+              }
             },
             "additionalProperties": false
           }
@@ -275,11 +298,11 @@
             "type": "object",
             "properties": {
               "min": {
-                  "title": "Minimum",
+                "title": "Minimum",
                 "type": "integer"
               },
               "max": {
-                  "title": "Maximum",
+                "title": "Maximum",
                 "type": "integer"
               }
             },
@@ -290,6 +313,41 @@
         "required": ["type", "params"],
         "additionalProperties": false
       },
+      {
+        "type": "object",
+        "title": "Scale Int",
+        "properties": {
+          "type": {
+            "type": "string",
+            "const": "int.scale"
+          },
+          "params": {
+            "type": "object",
+            "properties": {
+              "inMin": {
+                "title": "Input Minimum",
+                "type": "integer"
+              },
+              "inMax": {
+                "title": "Input Maximum",
+                "type": "integer"
+              },
+              "outMin": {
+                "title": "Output Minimum",
+                "type": "integer"
+              },
+              "outMax": {
+                "title": "Output Maximum",
+                "type": "integer"
+              }
+            },
+            "required": ["inMin", "inMax", "outMin", "outMax"],
+            "additionalProperties": false
+          }
+        },
+        "required": ["type", "params"],
+        "additionalProperties": false
+      },
       {
         "type": "object",
         "title": "Decode JSON",
@@ -334,7 +392,7 @@
                     "enum": ["NoteOn", "noteon", "note_on"]
                   },
                   "channel": {
-                      "title": "Channel",
+                    "title": "Channel",
                     "type": "string"
                   },
                   "note": {
@@ -471,7 +529,7 @@
             "type": "object",
             "properties": {
               "topic": {
-                  "title": "Topic",
+                "title": "Topic",
                 "type": "string"
               },
               "qos": {
@@ -518,7 +576,7 @@
             "type": "object",
             "properties": {
               "subject": {
-                  "title": "Subject",
+                "title": "Subject",
                 "type": "string"
               },
               "payload": {
@@ -549,7 +607,7 @@
                 "type": "string"
               },
               "args": {
-                  "title": "Arguments",
+                "title": "Arguments",
                 "type": "array",
                 "items": {
                   "type": "string"
@@ -591,6 +649,29 @@
         "required": ["type"],
         "additionalProperties": false
       },
+      {
+        "type": "object",
+        "title": "Router Input",
+        "properties": {
+          "type": {
+            "type": "string",
+            "const": "router.input"
+          },
+          "params": {
+            "type": "object",
+            "properties": {
+              "source": {
+                "title": "Source",
+                "type": "string",
+                "description": "source to report as to the router"
+              }
+            },
+            "required": ["source"]
+          }
+        },
+        "required": ["type", "params"],
+        "additionalProperties": false
+      },
       {
         "type": "object",
         "title": "Router Output",
@@ -739,29 +820,6 @@
         "required": ["type"],
         "additionalProperties": false
       },
-      {
-        "type": "object",
-        "title": "Filter String",
-        "properties": {
-          "type": {
-            "type": "string",
-            "const": "string.filter"
-          },
-          "params": {
-            "type": "object",
-            "properties": {
-              "pattern": {
-                "title": "Pattern",
-                "type": "string"
-              }
-            },
-            "required": ["pattern"],
-            "additionalProperties": false
-          }
-        },
-        "required": ["type", "params"],
-        "additionalProperties": false
-      },
       {
         "type": "object",
         "title": "Split String",

websocket.go

@@ -0,0 +1,68 @@
+package showbridge
+
+import (
+	"encoding/json"
+	"net/http"
+
+	"github.com/gorilla/websocket"
+)
+
+var upgrader = websocket.Upgrader{
+	CheckOrigin: func(r *http.Request) bool {
+		return true
+	},
+}
+
+func (r *Router) handleWebsocket(w http.ResponseWriter, req *http.Request) {
+	conn, err := upgrader.Upgrade(w, req, nil)
+	if err != nil {
+		r.logger.Error("websocket upgrade error", "error", err)
+		return
+	}
+	defer conn.Close()
+
+	r.wsConnsMu.Lock()
+	r.wsConns = append(r.wsConns, conn)
+	r.wsConnsMu.Unlock()
+READ_LOOP:
+	for {
+		messageType, message, err := conn.ReadMessage()
+		if err != nil {
+			_, ok := err.(*websocket.CloseError)
+			if ok {
+				break READ_LOOP
+			}
+		}
+
+		switch messageType {
+		case websocket.TextMessage, websocket.BinaryMessage:
+			event := Event{}
+			err = json.Unmarshal(message, &event)
+			if err != nil {
+				r.logger.Error("websocket message unmarshal error", "error", err)
+				continue
+			}
+			r.handleEvent(event, conn)
+		case websocket.CloseMessage:
+			break READ_LOOP
+		case websocket.PingMessage:
+			err = conn.WriteMessage(websocket.PongMessage, nil)
+			if err != nil {
+				r.logger.Error("websocket pong error", "error", err)
+			}
+		default:
+			r.logger.Warn("unsupported websocket message type", "type", messageType)
+			continue
+		}
+
+	}
+	//NOTE(jwetzell): remove ws connection
+	r.wsConnsMu.Lock()
+	for i, c := range r.wsConns {
+		if c == conn {
+			r.wsConns = append(r.wsConns[:i], r.wsConns[i+1:]...)
+			break
+		}
+	}
+	r.wsConnsMu.Unlock()
+}