Merge pull request #72 from jwetzell/feat/struct-processors

add processors to pull data out of struct

.github/workflows/release-showbridge.yaml

@@ -21,7 +21,7 @@ jobs:
         with:
           go-version-file: 'go.mod'
       - name: release
-        uses: goreleaser/goreleaser-action@v6
+        uses: goreleaser/goreleaser-action@v7
         with:
           workdir: cmd/showbridge
           distribution: goreleaser
@@ -56,7 +56,7 @@ jobs:
             jwetzell/showbridge
 
       - name: Build and push
-        uses: docker/build-push-action@263435318d21b8e681c14492fe198d362a7d2c83 # v6.18.0
+        uses: docker/build-push-action@10e90e3645eae34f1e60eeb005ba3a3d33f178e8 # v6.19.2
         with:
           push: true
           context: ./
@@ -65,4 +65,4 @@ jobs:
           labels: ${{ steps.meta.outputs.labels }}
           cache-from: type=gha
           cache-to: type=gha,mode=max
-          platforms: linux/amd64,linux/arm64,linux/arm/v7
+          platforms: linux/amd64

.github/workflows/test-showbridge.yaml

@@ -17,7 +17,7 @@ on:
       - 'go.sum'
 
 permissions:
-  contents: read
+  contents: write
 
 jobs:
   test:
@@ -34,4 +34,16 @@ jobs:
         run: go mod tidy
 
       - name: run tests
-        run: go test ./...
+        run: go test ./... -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       
+      - name: Update coverage report
+        uses: ncruces/go-coverage-report@v0.3.2
+        with:
+          coverage-file: coverage.nocmd.out
+          report: true
+          chart: true
+          amend: true
+        if: github.event_name == 'push'  
+        continue-on-error: true

README.md

@@ -1,6 +1,8 @@
 <div align="center">
 
-  # showbridge (go edition)
+# 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_
 

cmd/showbridge/main.go

@@ -9,15 +9,22 @@ import (
 	"os/signal"
 	"slices"
 	"sync"
+	"syscall"
 
 	"github.com/jwetzell/showbridge-go"
 	"github.com/jwetzell/showbridge-go/internal/config"
 	"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"
 	"sigs.k8s.io/yaml"
 )
 
 var (
-	version = "dev"
+	version   = "dev"
+	sigHangup = make(chan os.Signal, 1)
 )
 
 func main() {
@@ -55,11 +62,18 @@ func main() {
 					return nil
 				},
 			},
+			&cli.BoolFlag{
+				Name:  "trace",
+				Value: false,
+				Usage: "enable OpenTelemetry tracing",
+			},
 		},
 		Action: run,
 	}
 
 	ctx, cancel := signal.NotifyContext(context.Background(), os.Interrupt)
+
+	signal.Notify(sigHangup, syscall.SIGHUP)
 	defer cancel()
 	err := cmd.Run(ctx, os.Args)
 
@@ -69,6 +83,15 @@ func main() {
 
 }
 
+type showbridgeApp struct {
+	ctx          context.Context
+	configPath   string
+	logger       *slog.Logger
+	router       *showbridge.Router
+	routerRunner *sync.WaitGroup
+	routerMutex  sync.Mutex
+}
+
 func readConfig(configPath string) (config.Config, error) {
 	cfg := config.Config{}
 
@@ -89,12 +112,7 @@ func readConfig(configPath string) (config.Config, error) {
 func run(ctx context.Context, c *cli.Command) error {
 	configPath := c.String("config")
 	if configPath == "" {
-		return errors.New("config value cannot be empty")
-	}
-
-	config, err := readConfig(configPath)
-	if err != nil {
-		return err
+		return errors.New("config path cannot be empty")
 	}
 
 	logLevel := slog.LevelInfo
@@ -135,28 +153,113 @@ func run(ctx context.Context, c *cli.Command) error {
 
 	slog.SetDefault(slog.New(logHandler))
 
-	commandLogger := slog.Default().With("component", "cmd")
+	if c.Bool("trace") {
+		exporter, err := otlptracehttp.New(ctx)
+		if err != nil {
+			return fmt.Errorf("failed to create trace exporter: %w", err)
+		}
+
+		tracerProvider := newTracerProvider(exporter)
+		otel.SetTracerProvider(tracerProvider)
+		defer tracerProvider.Shutdown(ctx)
+
+		otel.SetTracerProvider(tracerProvider)
+	}
+
+	showbridgeApp := &showbridgeApp{
+		ctx:          ctx,
+		configPath:   configPath,
+		logger:       slog.Default().With("component", "cmd"),
+		routerRunner: &sync.WaitGroup{},
+	}
+
+	router, err := showbridgeApp.getNewRouter()
+	if err != nil {
+		return fmt.Errorf("failed to initialize router: %w", err)
+	}
+	showbridgeApp.routerMutex.Lock()
+	showbridgeApp.router = router
+
+	showbridgeApp.routerRunner.Go(func() {
+		router.Start(context.Background())
+	})
+	showbridgeApp.routerMutex.Unlock()
+
+	go showbridgeApp.handleHangup()
+
+	<-showbridgeApp.ctx.Done()
+	showbridgeApp.logger.Debug("shutting down router")
+	showbridgeApp.router.Stop()
+	showbridgeApp.logger.Debug("waiting for router to exit")
+	showbridgeApp.routerRunner.Wait()
+	return nil
+}
+
+func (app *showbridgeApp) handleHangup() {
+	for {
+		select {
+		case <-sigHangup:
+			app.logger.Info("received SIGHUP, reloading configuration")
+			newRouter, err := app.getNewRouter()
+			if err != nil {
+				app.logger.Error("failed to reload configuration", "error", err)
+				continue
+			}
+			app.routerMutex.Lock()
+			app.router.Stop()
+			app.routerRunner.Wait()
+			app.router = newRouter
+			app.routerRunner.Go(func() {
+				app.router.Start(context.Background())
+			})
+			app.logger.Info("configuration reloaded successfully")
+			app.routerMutex.Unlock()
+		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)
 
 	for _, moduleError := range moduleErrors {
-		commandLogger.Error("problem initializing module", "index", moduleError.Index, "error", moduleError.Error)
+		app.logger.Error("problem initializing module", "index", moduleError.Index, "error", moduleError.Error)
 	}
 
 	for _, routeError := range routeErrors {
-		commandLogger.Error("problem initializing route", "index", routeError.Index, "error", routeError.Error)
+		app.logger.Error("problem initializing route", "index", routeError.Index, "error", routeError.Error)
 	}
 
-	routerRunner := sync.WaitGroup{}
+	if moduleErrors != nil || routeErrors != nil {
+		return nil, fmt.Errorf("errors initializing modules or routes")
+	}
 
-	routerRunner.Go(func() {
-		router.Run(context.Background())
-	})
-
-	<-ctx.Done()
-	commandLogger.Debug("shutting down router")
-	router.Stop()
-	commandLogger.Debug("waiting for router to exit")
-	routerRunner.Wait()
-	return nil
+	return router, nil
+}
+
+func newTracerProvider(exp sdktrace.SpanExporter) *sdktrace.TracerProvider {
+	r, err := resource.Merge(
+		resource.Default(),
+		resource.NewWithAttributes(
+			semconv.SchemaURL,
+			semconv.ServiceName("showbridge"),
+			semconv.ServiceVersion(version),
+		),
+	)
+
+	if err != nil {
+		panic(err)
+	}
+
+	return sdktrace.NewTracerProvider(
+		sdktrace.WithBatcher(exp),
+		sdktrace.WithResource(r),
+	)
 }

go.mod

@@ -4,39 +4,53 @@ go 1.25.5
 
 require (
 	github.com/eclipse/paho.mqtt.golang v1.5.1
-	github.com/emiago/diago v0.26.2
-	github.com/emiago/sipgo v1.1.2
-	github.com/expr-lang/expr v1.17.7
+	github.com/emiago/diago v0.27.0
+	github.com/emiago/sipgo v1.2.0
+	github.com/expr-lang/expr v1.17.8
 	github.com/extism/go-sdk v1.7.1
 	github.com/jwetzell/artnet-go v0.2.1
 	github.com/jwetzell/free-d-go v0.1.0
 	github.com/jwetzell/osc-go v0.1.0
 	github.com/jwetzell/psn-go v0.3.0
-	github.com/nats-io/nats.go v1.48.0
+	github.com/nats-io/nats-server/v2 v2.12.4
+	github.com/nats-io/nats.go v1.49.0
 	github.com/urfave/cli/v3 v3.6.2
-	gitlab.com/gomidi/midi/v2 v2.3.18
+	gitlab.com/gomidi/midi/v2 v2.3.22
 	go.bug.st/serial v1.6.4
+	go.opentelemetry.io/otel v1.40.0
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.40.0
+	go.opentelemetry.io/otel/sdk v1.40.0
+	go.opentelemetry.io/otel/trace v1.40.0
 	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/cenkalti/backoff/v5 v5.0.3 // indirect
+	github.com/cespare/xxhash/v2 v2.3.0 // indirect
 	github.com/creack/goselect v0.1.2 // indirect
 	github.com/dustin/go-humanize v1.0.1 // indirect
 	github.com/dylibso/observe-sdk/go v0.0.0-20240819160327-2d926c5d788a // indirect
 	github.com/emiago/dtls/v3 v3.0.0-20260122183559-8b8d23e359c0 // indirect
 	github.com/go-audio/riff v1.0.0 // indirect
+	github.com/go-logr/logr v1.4.3 // indirect
+	github.com/go-logr/stdr v1.2.2 // indirect
 	github.com/gobwas/glob v0.2.3 // indirect
 	github.com/gobwas/httphead v0.1.0 // indirect
 	github.com/gobwas/pool v0.2.1 // indirect
 	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 v2.27.7 // indirect
 	github.com/ianlancetaylor/demangle v0.0.0-20240805132620-81f5be970eca // indirect
 	github.com/icholy/digest v1.1.0 // indirect
-	github.com/klauspost/compress v1.18.0 // indirect
+	github.com/klauspost/compress v1.18.3 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
-	github.com/nats-io/nkeys v0.4.11 // 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/nuid v1.0.1 // indirect
 	github.com/ncruces/go-strftime v1.0.0 // indirect
 	github.com/pion/logging v0.2.4 // indirect
@@ -50,14 +64,22 @@ require (
 	github.com/tetratelabs/wabin v0.0.0-20230304001439-f6f874872834 // indirect
 	github.com/tetratelabs/wazero v1.9.0 // indirect
 	github.com/zaf/g711 v1.4.0 // indirect
-	go.opentelemetry.io/proto/otlp v1.3.1 // indirect
+	go.opentelemetry.io/auto/sdk v1.2.1 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.40.0 // indirect
+	go.opentelemetry.io/otel/metric v1.40.0 // indirect
+	go.opentelemetry.io/proto/otlp v1.9.0 // indirect
 	go.yaml.in/yaml/v2 v2.4.2 // indirect
-	golang.org/x/crypto v0.42.0 // indirect
+	golang.org/x/crypto v0.47.0 // indirect
 	golang.org/x/exp v0.0.0-20251023183803-a4bb9ffd2546 // indirect
-	golang.org/x/net v0.44.0 // indirect
+	golang.org/x/net v0.49.0 // indirect
 	golang.org/x/sync v0.19.0 // indirect
-	golang.org/x/sys v0.39.0 // indirect
-	google.golang.org/protobuf v1.34.2 // indirect
+	golang.org/x/sys v0.40.0 // indirect
+	golang.org/x/text v0.33.0 // indirect
+	golang.org/x/time v0.14.0 // indirect
+	google.golang.org/genproto/googleapis/api v0.0.0-20260128011058-8636f8732409 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20260128011058-8636f8732409 // indirect
+	google.golang.org/grpc v1.78.0 // 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
 	modernc.org/libquickjs v0.12.3 // indirect

go.sum

@@ -1,3 +1,9 @@
+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/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=
+github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/creack/goselect v0.1.2 h1:2DNy14+JPjRBgPzAd1thbQp4BSIihxcBf0IXhQXDRa0=
 github.com/creack/goselect v0.1.2/go.mod h1:a/NhLweNvqIYMuxcMOuWY516Cimucms3DglDzQP3hKY=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
@@ -8,18 +14,23 @@ github.com/dylibso/observe-sdk/go v0.0.0-20240819160327-2d926c5d788a h1:UwSIFv5g
 github.com/dylibso/observe-sdk/go v0.0.0-20240819160327-2d926c5d788a/go.mod h1:C8DzXehI4zAbrdlbtOByKX6pfivJTBiV9Jjqv56Yd9Q=
 github.com/eclipse/paho.mqtt.golang v1.5.1 h1:/VSOv3oDLlpqR2Epjn1Q7b2bSTplJIeV2ISgCl2W7nE=
 github.com/eclipse/paho.mqtt.golang v1.5.1/go.mod h1:1/yJCneuyOoCOzKSsOTUc0AJfpsItBGWvYpBLimhArU=
-github.com/emiago/diago v0.26.2 h1:3QL03V0drX96eIBFBpfueNcywydRgYqffKihluGL0gA=
-github.com/emiago/diago v0.26.2/go.mod h1:jZ+7EnKcmgqKnLjCHPqfbP4Y/9Q/JLSLxMflDrp2J1M=
+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 v1.1.2 h1:JvLqEvqNSQm2mBX40qZ7O0WC3Ee67Z0UrfmBI7y6Beo=
-github.com/emiago/sipgo v1.1.2/go.mod h1:DuwAxBZhKMqIzQFPGZb1MVAGU6Wuxj64oTOhd5dx/FY=
-github.com/expr-lang/expr v1.17.7 h1:Q0xY/e/2aCIp8g9s/LGvMDCC5PxYlvHgDZRQ4y16JX8=
-github.com/expr-lang/expr v1.17.7/go.mod h1:8/vRC7+7HBzESEqt5kKpYXxrxkr31SaO8r40VO/1IT4=
+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/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=
 github.com/extism/go-sdk v1.7.1/go.mod h1:IT+Xdg5AZM9hVtpFUA+uZCJMge/hbvshl8bwzLtFyKA=
 github.com/go-audio/riff v1.0.0 h1:d8iCGbDvox9BfLagY94fBynxSPHO80LmZCaOsmKxokA=
 github.com/go-audio/riff v1.0.0/go.mod h1:l3cQwc85y79NQFCRB7TiPoNiaijp6q8Z0Uv38rVG498=
+github.com/go-logr/logr v1.2.2/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
+github.com/go-logr/logr v1.4.3 h1:CjnDlHq8ikf6E492q6eKboGOC0T8CDaOvkHCIg8idEI=
+github.com/go-logr/logr v1.4.3/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
+github.com/go-logr/stdr v1.2.2 h1:hSWxHoqTgW2S2qGc0LTAI563KZ5YKYRhT3MFKZMbjag=
+github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre4VKE=
 github.com/gobwas/glob v0.2.3 h1:A4xDbljILXROh+kObIiy5kIaPYD8e96x1tgBhUI5J+Y=
 github.com/gobwas/glob v0.2.3/go.mod h1:d3Ez4x06l9bZtSvzIay5+Yzi0fmZzPgnTbPcKjJAkT8=
 github.com/gobwas/httphead v0.1.0 h1:exrUm0f4YX0L7EBwZHuCF4GDp8aJfVeBrlLQrs6NqWU=
@@ -28,12 +39,18 @@ github.com/gobwas/pool v0.2.1 h1:xfeeEhW7pwmX8nuLVlqbzVc7udMDrwetjEv+TZIz1og=
 github.com/gobwas/pool v0.2.1/go.mod h1:q8bcK0KcYlCgd9e7WYLm9LpyS+YeLd8JVDW6WezmKEw=
 github.com/gobwas/ws v1.4.0 h1:CTaoG1tojrh4ucGPcoJFiAQUAsEWekEWvLy7GsVNqGs=
 github.com/gobwas/ws v1.4.0/go.mod h1:G3gNqMNtPppf5XUz7O4shetPpcZ1VJ7zt18dlUeakrc=
+github.com/golang/protobuf v1.5.4 h1:i7eJL8qZTpSEXOPTxNKhASYpMn+8e5Q6AdndVa1dWek=
+github.com/golang/protobuf v1.5.4/go.mod h1:lnTiLA8Wa4RWRcIUkrtSVa5nRhsEGBg48fD6rSs7xps=
 github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
 github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU=
+github.com/google/go-tpm v0.9.8 h1:slArAR9Ft+1ybZu0lBwpSmpwhRXaa85hWtMinMyRAWo=
+github.com/google/go-tpm v0.9.8/go.mod h1:h9jEsEECg7gtLis0upRBQU+GhYVH6jMjrFxI8u6bVUY=
 github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
 github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/gorilla/websocket v1.5.3 h1:saDtZ6Pbx/0u+bgYQ3q96pZgCzfhKXGPqt7kZ72aNNg=
 github.com/gorilla/websocket v1.5.3/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
+github.com/grpc-ecosystem/grpc-gateway/v2 v2.27.7 h1:X+2YciYSxvMQK0UZ7sg45ZVabVZBeBuvMkmuI2V3Fak=
+github.com/grpc-ecosystem/grpc-gateway/v2 v2.27.7/go.mod h1:lW34nIZuQ8UDPdkon5fmfp2l3+ZkQ2me/+oecHYLOII=
 github.com/hashicorp/golang-lru/v2 v2.0.7 h1:a+bsQ5rvGLjzHuww6tVxozPZFVghXaHOwFs4luLUK2k=
 github.com/hashicorp/golang-lru/v2 v2.0.7/go.mod h1:QeFd9opnmA6QUJc5vARoKUSoFhyfM2/ZepoAG6RGpeM=
 github.com/ianlancetaylor/demangle v0.0.0-20240805132620-81f5be970eca h1:T54Ema1DU8ngI+aef9ZhAhNGQhcRTrWxVeG07F+c/Rw=
@@ -48,18 +65,24 @@ github.com/jwetzell/osc-go v0.1.0 h1:EXxup5VWBErHot2Ri4MFToPf6KCzLDTbCt2x6GLfw8I
 github.com/jwetzell/osc-go v0.1.0/go.mod h1:xLz0jTwebSxtx1TkKN1YVdeRqvpFNweDhTut5TE393A=
 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 v1.18.0 h1:c/Cqfb0r+Yi+JtIEq73FWXVkRonBlf0CRNYc8Zttxdo=
-github.com/klauspost/compress v1.18.0/go.mod h1:2Pp+KzxcywXVXMr50+X0Q/Lsb43OQHYWRCY2AiWywWQ=
+github.com/klauspost/compress v1.18.3 h1:9PJRvfbmTabkOX8moIpXPbMMbYN60bWImDDU7L+/6zw=
+github.com/klauspost/compress v1.18.3/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=
 github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
 github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
 github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
-github.com/nats-io/nats.go v1.48.0 h1:pSFyXApG+yWU/TgbKCjmm5K4wrHu86231/w84qRVR+U=
-github.com/nats-io/nats.go v1.48.0/go.mod h1:iRWIPokVIFbVijxuMQq4y9ttaBTMe0SFdlZfMDd+33g=
-github.com/nats-io/nkeys v0.4.11 h1:q44qGV008kYd9W1b1nEBkNzvnWxtRSQ7A8BoqRrcfa0=
-github.com/nats-io/nkeys v0.4.11/go.mod h1:szDimtgmfOi9n25JpfIdGw12tZFYXqhGxjhVxsatHVE=
+github.com/minio/highwayhash v1.0.4-0.20251030100505-070ab1a87a76 h1:KGuD/pM2JpL9FAYvBrnBBeENKZNh6eNtjqytV6TYjnk=
+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.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/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=
@@ -82,8 +105,8 @@ github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZb
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec h1:W09IVJc94icq4NjY3clb7Lk8O1qJ8BdBEF8z0ibU0rE=
 github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec/go.mod h1:qqbHyh8v60DhA7CoWK5oRCqLrMHRGoxYCSS9EjAz6Eo=
-github.com/rogpeppe/go-internal v1.13.1 h1:KvO1DLK/DRN07sQ1LQKScxyZJuNnedQ5/wKSR38lUII=
-github.com/rogpeppe/go-internal v1.13.1/go.mod h1:uMEvuHeurkdAXX61udpOXGD/AzZDWNMNyH2VO9fmH0o=
+github.com/rogpeppe/go-internal v1.14.1 h1:UQB4HGPB6osV0SQTLymcB4TgvyWu6ZyliaW0tI/otEQ=
+github.com/rogpeppe/go-internal v1.14.1/go.mod h1:MaRKkUm5W0goXpeCfT7UZI6fk/L7L7so1lCWt35ZSgc=
 github.com/stretchr/testify v1.11.1 h1:7s2iGBzp5EwR7/aIZr8ao5+dra3wiQyKjjFuvgVKu7U=
 github.com/stretchr/testify v1.11.1/go.mod h1:wZwfW3scLgRK+23gO65QZefKpKQRnfz6sD981Nm4B6U=
 github.com/tetratelabs/wabin v0.0.0-20230304001439-f6f874872834 h1:ZF+QBjOI+tILZjBaFj3HgFonKXUcwgJ4djLb6i42S3Q=
@@ -94,33 +117,64 @@ github.com/urfave/cli/v3 v3.6.2 h1:lQuqiPrZ1cIz8hz+HcrG0TNZFxU70dPZ3Yl+pSrH9A8=
 github.com/urfave/cli/v3 v3.6.2/go.mod h1:ysVLtOEmg2tOy6PknnYVhDoouyC/6N42TMeoMzskhso=
 github.com/zaf/g711 v1.4.0 h1:XZYkjjiAg9QTBnHqEg37m2I9q3IIDv5JRYXs2N8ma7c=
 github.com/zaf/g711 v1.4.0/go.mod h1:eCDXt3dSp/kYYAoooba7ukD/Q75jvAaS4WOMr0l1Roo=
-gitlab.com/gomidi/midi/v2 v2.3.18 h1:sj2fOhtvOe+zI8YJe8qTxLw5zv0ntULLUDwcFOaZQbI=
-gitlab.com/gomidi/midi/v2 v2.3.18/go.mod h1:jDpP4O4skYi+7iVwt6Zyp18bd2M4hkjtMuw2cmgKgfw=
+gitlab.com/gomidi/midi/v2 v2.3.22 h1:4Q20o6q4BDo7i/KGvnwASeytOlrPI7MwsS7F2hA7fOM=
+gitlab.com/gomidi/midi/v2 v2.3.22/go.mod h1:jDpP4O4skYi+7iVwt6Zyp18bd2M4hkjtMuw2cmgKgfw=
 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/proto/otlp v1.3.1 h1:TrMUixzpM0yuc/znrFTP9MMRh8trP93mkCiDVeXrui0=
-go.opentelemetry.io/proto/otlp v1.3.1/go.mod h1:0X1WI4de4ZsLrrJNLAQbFeLCm3T7yBkR0XqQ7niQU+8=
+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 v1.40.0 h1:oA5YeOcpRTXq6NN7frwmwFR0Cn3RhTVZvXsP4duvCms=
+go.opentelemetry.io/otel v1.40.0/go.mod h1:IMb+uXZUKkMXdPddhwAHm6UfOwJyh4ct1ybIlV14J0g=
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+go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.40.0/go.mod h1:khvBS2IggMFNwZK/6lEeHg/W57h/IX6J4URh57fuI40=
+go.opentelemetry.io/otel/metric v1.40.0 h1:rcZe317KPftE2rstWIBitCdVp89A2HqjkxR3c11+p9g=
+go.opentelemetry.io/otel/metric v1.40.0/go.mod h1:ib/crwQH7N3r5kfiBZQbwrTge743UDc7DTFVZrrXnqc=
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+go.opentelemetry.io/proto/otlp v1.9.0/go.mod h1:xE+Cx5E/eEHw+ISFkwPLwCZefwVjY+pqKg1qcK03+/4=
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-go.yaml.in/yaml/v3 v3.0.3 h1:bXOww4E/J3f66rav3pX3m8w6jDE4knZjGOw8b5Y6iNE=
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-golang.org/x/crypto v0.42.0/go.mod h1:4+rDnOTJhQCx2q7/j6rAN5XDw8kPjeaXEUR2eL94ix8=
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 golang.org/x/exp v0.0.0-20251023183803-a4bb9ffd2546 h1:mgKeJMpvi0yx/sU5GsxQ7p6s2wtOnGAHZWCHUM4KGzY=
 golang.org/x/exp v0.0.0-20251023183803-a4bb9ffd2546/go.mod h1:j/pmGrbnkbPtQfxEe5D0VQhZC6qKbfKifgD0oM7sR70=
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+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=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=

internal/config/config.go

@@ -1,14 +1,69 @@
 package config
 
+import (
+	"errors"
+)
+
 type Config struct {
 	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")
+)
+
+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 := value.(int)
+	if !ok {
+		floatValue, ok := value.(float64)
+		if !ok {
+			return 0, ErrParamNotNumber
+		}
+		intValue = int(floatValue)
+	}
+	return intValue, nil
+}
+
+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, errors.New("not a boolean")
+	}
+	return boolValue, nil
+}
+
 type ModuleConfig struct {
-	Id     string         `json:"id"`
-	Type   string         `json:"type"`
-	Params map[string]any `json:"params"`
+	Id     string `json:"id"`
+	Type   string `json:"type"`
+	Params Params `json:"params"`
 }
 
 type RouteConfig struct {
@@ -18,6 +73,6 @@ type RouteConfig struct {
 }
 
 type ProcessorConfig struct {
-	Type   string         `json:"type"`
-	Params map[string]any `json:"params"`
+	Type   string `json:"type"`
+	Params Params `json:"params"`
 }

internal/module/http-client.go

@@ -17,6 +17,7 @@ type HTTPClient struct {
 	client *http.Client
 	router route.RouteIO
 	logger *slog.Logger
+	cancel context.CancelFunc
 }
 
 func init() {
@@ -37,14 +38,17 @@ func (hc *HTTPClient) Type() string {
 	return hc.config.Type
 }
 
-func (hc *HTTPClient) Run(ctx context.Context) error {
+func (hc *HTTPClient) Start(ctx context.Context) error {
+	hc.logger.Debug("running")
 	router, ok := ctx.Value(route.RouterContextKey).(route.RouteIO)
 
 	if !ok {
 		return errors.New("http.client unable to get router from context")
 	}
 	hc.router = router
-	hc.ctx = ctx
+	moduleContext, cancel := context.WithCancel(ctx)
+	hc.ctx = moduleContext
+	hc.cancel = cancel
 
 	hc.client = &http.Client{
 		Timeout: 10 * time.Second,
@@ -79,3 +83,7 @@ func (hc *HTTPClient) Output(ctx context.Context, payload any) error {
 
 	return nil
 }
+
+func (hc *HTTPClient) Stop() {
+	hc.cancel()
+}

internal/module/http-server.go

@@ -19,13 +19,14 @@ type HTTPServer struct {
 	ctx    context.Context
 	router route.RouteIO
 	logger *slog.Logger
+	cancel context.CancelFunc
 }
 
 type ResponseIOError struct {
-	Index        int      `json:"index"`
-	OutputErrors []string `json:"outputErrors"`
-	ProcessError *string  `json:"processError"`
-	InputError   *string  `json:"inputError"`
+	Index        int     `json:"index"`
+	OutputError  *string `json:"outputError"`
+	ProcessError *string `json:"processError"`
+	InputError   *string `json:"inputError"`
 }
 
 type IOResponseData struct {
@@ -56,17 +57,10 @@ func init() {
 		Type: "http.server",
 		New: func(config config.ModuleConfig) (Module, error) {
 			params := config.Params
-			port, ok := params["port"]
-			if !ok {
-				return nil, errors.New("http.server requires a port parameter")
+			portNum, err := params.GetInt("port")
+			if err != nil {
+				return nil, fmt.Errorf("http.server port error: %w", err)
 			}
-
-			portNum, ok := port.(float64)
-
-			if !ok {
-				return nil, errors.New("http.server port must be uint16")
-			}
-
 			return &HTTPServer{Port: uint16(portNum), config: config, logger: CreateLogger(config)}, nil
 		},
 	})
@@ -113,14 +107,9 @@ func (hs *HTTPServer) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 							errorToAdd.ProcessError = &errorMsg
 						}
 
-						if responseIOError.OutputErrors != nil {
-							outputErrorMsgs := []string{}
-
-							for _, outputError := range responseIOError.OutputErrors {
-								outputErrorMsgs = append(outputErrorMsgs, outputError.Error())
-							}
-
-							errorToAdd.OutputErrors = outputErrorMsgs
+						if responseIOError.OutputError != nil {
+							errorMsg := responseIOError.OutputError.Error()
+							errorToAdd.OutputError = &errorMsg
 						}
 
 						response.IOErrors = append(response.IOErrors, errorToAdd)
@@ -151,14 +140,17 @@ func (hs *HTTPServer) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	}
 }
 
-func (hs *HTTPServer) Run(ctx context.Context) error {
+func (hs *HTTPServer) Start(ctx context.Context) error {
+	hs.logger.Debug("running")
 	router, ok := ctx.Value(route.RouterContextKey).(route.RouteIO)
 
 	if !ok {
 		return errors.New("http.server unable to get router from context")
 	}
 	hs.router = router
-	hs.ctx = ctx
+	moduleContext, cancel := context.WithCancel(ctx)
+	hs.ctx = moduleContext
+	hs.cancel = cancel
 
 	httpServer := &http.Server{
 		Addr:    fmt.Sprintf(":%d", hs.Port),
@@ -204,3 +196,7 @@ func (hs *HTTPServer) Output(ctx context.Context, payload any) error {
 	responseWriter.Write(payloadResponse.Body)
 	return nil
 }
+
+func (hs *HTTPServer) Stop() {
+	hs.cancel()
+}

internal/module/midi-input.go

@@ -21,6 +21,7 @@ type MIDIInput struct {
 	Port     string
 	SendFunc func(midi.Message) error
 	logger   *slog.Logger
+	cancel   context.CancelFunc
 }
 
 func init() {
@@ -28,16 +29,9 @@ func init() {
 		Type: "midi.input",
 		New: func(config config.ModuleConfig) (Module, error) {
 			params := config.Params
-			port, ok := params["port"]
-
-			if !ok {
-				return nil, errors.New("midi.input requires a port parameter")
-			}
-
-			portString, ok := port.(string)
-
-			if !ok {
-				return nil, errors.New("midi.input port must be a string")
+			portString, err := params.GetString("port")
+			if err != nil {
+				return nil, fmt.Errorf("midi.input port error: %w", err)
 			}
 
 			return &MIDIInput{config: config, Port: portString, logger: CreateLogger(config)}, nil
@@ -53,7 +47,8 @@ func (mi *MIDIInput) Type() string {
 	return mi.config.Type
 }
 
-func (mi *MIDIInput) Run(ctx context.Context) error {
+func (mi *MIDIInput) Start(ctx context.Context) error {
+	mi.logger.Debug("running")
 	defer midi.CloseDriver()
 	router, ok := ctx.Value(route.RouterContextKey).(route.RouteIO)
 
@@ -61,7 +56,9 @@ func (mi *MIDIInput) Run(ctx context.Context) error {
 		return errors.New("midi.input unable to get router from context")
 	}
 	mi.router = router
-	mi.ctx = ctx
+	moduleContext, cancel := context.WithCancel(ctx)
+	mi.ctx = moduleContext
+	mi.cancel = cancel
 
 	in, err := midi.FindInPort(mi.Port)
 	if err != nil {
@@ -88,3 +85,7 @@ func (mi *MIDIInput) Run(ctx context.Context) error {
 func (mi *MIDIInput) Output(ctx context.Context, payload any) error {
 	return errors.New("midi.input output is not implemented")
 }
+
+func (mi *MIDIInput) Stop() {
+	mi.cancel()
+}

internal/module/midi-output.go

@@ -21,6 +21,7 @@ type MIDIOutput struct {
 	Port     string
 	SendFunc func(midi.Message) error
 	logger   *slog.Logger
+	cancel   context.CancelFunc
 }
 
 func init() {
@@ -29,16 +30,9 @@ func init() {
 		New: func(config config.ModuleConfig) (Module, error) {
 			params := config.Params
 
-			port, ok := params["port"]
-
-			if !ok {
-				return nil, errors.New("midi.output requires a port parameter")
-			}
-
-			portString, ok := port.(string)
-
-			if !ok {
-				return nil, errors.New("midi.output port must be a string")
+			portString, err := params.GetString("port")
+			if err != nil {
+				return nil, fmt.Errorf("midi.output port error: %w", err)
 			}
 
 			return &MIDIOutput{config: config, Port: portString, logger: CreateLogger(config)}, nil
@@ -54,7 +48,8 @@ func (mo *MIDIOutput) Type() string {
 	return mo.config.Type
 }
 
-func (mo *MIDIOutput) Run(ctx context.Context) error {
+func (mo *MIDIOutput) Start(ctx context.Context) error {
+	mo.logger.Debug("running")
 	defer midi.CloseDriver()
 	router, ok := ctx.Value(route.RouterContextKey).(route.RouteIO)
 
@@ -62,7 +57,9 @@ func (mo *MIDIOutput) Run(ctx context.Context) error {
 		return errors.New("midi.output unable to get router from context")
 	}
 	mo.router = router
-	mo.ctx = ctx
+	moduleContext, cancel := context.WithCancel(ctx)
+	mo.ctx = moduleContext
+	mo.cancel = cancel
 
 	out, err := midi.FindOutPort(mo.Port)
 
@@ -95,3 +92,7 @@ func (mo *MIDIOutput) Output(ctx context.Context, payload any) error {
 
 	return mo.SendFunc(payloadMessage)
 }
+
+func (mo *MIDIOutput) Stop() {
+	mo.cancel()
+}

internal/module/module.go

@@ -18,7 +18,8 @@ type ModuleError struct {
 type Module interface {
 	Id() string
 	Type() string
-	Run(context.Context) error
+	Start(context.Context) error
+	Stop()
 	Output(context.Context, any) error
 }
 

internal/module/mqtt-client.go

@@ -3,6 +3,7 @@ package module
 import (
 	"context"
 	"errors"
+	"fmt"
 	"log/slog"
 
 	mqtt "github.com/eclipse/paho.mqtt.golang"
@@ -19,6 +20,7 @@ type MQTTClient struct {
 	Topic    string
 	client   mqtt.Client
 	logger   *slog.Logger
+	cancel   context.CancelFunc
 }
 
 func init() {
@@ -26,40 +28,22 @@ func init() {
 		Type: "mqtt.client",
 		New: func(config config.ModuleConfig) (Module, error) {
 			params := config.Params
-			broker, ok := params["broker"]
+			brokerString, err := params.GetString("broker")
 
-			if !ok {
-				return nil, errors.New("mqtt.client requires a broker parameter")
+			if err != nil {
+				return nil, fmt.Errorf("mqtt.client broker error: %w", err)
 			}
 
-			brokerString, ok := broker.(string)
+			topicString, err := params.GetString("topic")
 
-			if !ok {
-				return nil, errors.New("mqtt.client broker must be string")
+			if err != nil {
+				return nil, fmt.Errorf("mqtt.client topic error: %w", err)
 			}
 
-			topic, ok := params["topic"]
+			clientIdString, err := params.GetString("clientId")
 
-			if !ok {
-				return nil, errors.New("mqtt.client requires a topic parameter")
-			}
-
-			topicString, ok := topic.(string)
-
-			if !ok {
-				return nil, errors.New("mqtt.client topic must be string")
-			}
-
-			clientId, ok := params["clientId"]
-
-			if !ok {
-				return nil, errors.New("mqtt.client requires a clientId parameter")
-			}
-
-			clientIdString, ok := clientId.(string)
-
-			if !ok {
-				return nil, errors.New("mqtt.client clientId must be string")
+			if err != nil {
+				return nil, fmt.Errorf("mqtt.client clientId error: %w", err)
 			}
 
 			return &MQTTClient{config: config, Broker: brokerString, Topic: topicString, ClientID: clientIdString, logger: CreateLogger(config)}, nil
@@ -75,14 +59,17 @@ func (mc *MQTTClient) Type() string {
 	return mc.config.Type
 }
 
-func (mc *MQTTClient) Run(ctx context.Context) error {
+func (mc *MQTTClient) Start(ctx context.Context) error {
+	mc.logger.Debug("running")
 	router, ok := ctx.Value(route.RouterContextKey).(route.RouteIO)
 
 	if !ok {
 		return errors.New("mqtt.client unable to get router from context")
 	}
 	mc.router = router
-	mc.ctx = ctx
+	moduleContext, cancel := context.WithCancel(ctx)
+	mc.ctx = moduleContext
+	mc.cancel = cancel
 
 	opts := mqtt.NewClientOptions()
 	opts.AddBroker(mc.Broker)
@@ -98,6 +85,7 @@ func (mc *MQTTClient) Run(ctx context.Context) error {
 	}
 
 	mc.client = mqtt.NewClient(opts)
+	defer mc.client.Disconnect(250)
 
 	token := mc.client.Connect()
 
@@ -133,3 +121,7 @@ func (mc *MQTTClient) Output(ctx context.Context, payload any) error {
 
 	return token.Error()
 }
+
+func (mc *MQTTClient) Stop() {
+	mc.cancel()
+}

internal/module/nats-client.go

@@ -19,6 +19,7 @@ type NATSClient struct {
 	Subject string
 	client  *nats.Conn
 	logger  *slog.Logger
+	cancel  context.CancelFunc
 }
 
 func init() {
@@ -26,28 +27,15 @@ func init() {
 		Type: "nats.client",
 		New: func(config config.ModuleConfig) (Module, error) {
 			params := config.Params
-			url, ok := params["url"]
-
-			if !ok {
-				return nil, errors.New("nats.client requires a url parameter")
+			urlString, err := params.GetString("url")
+			if err != nil {
+				return nil, errors.New("nats.client url error: " + err.Error())
 			}
 
-			urlString, ok := url.(string)
+			subjectString, err := params.GetString("subject")
 
-			if !ok {
-				return nil, errors.New("nats.client url must be string")
-			}
-
-			subject, ok := params["subject"]
-
-			if !ok {
-				return nil, errors.New("nats.client requires a subject parameter")
-			}
-
-			subjectString, ok := subject.(string)
-
-			if !ok {
-				return nil, errors.New("nats.client subject must be string")
+			if err != nil {
+				return nil, errors.New("nats.client subject error: " + err.Error())
 			}
 
 			return &NATSClient{config: config, URL: urlString, Subject: subjectString, logger: CreateLogger(config)}, nil
@@ -63,7 +51,8 @@ func (nc *NATSClient) Type() string {
 	return nc.config.Type
 }
 
-func (nc *NATSClient) Run(ctx context.Context) error {
+func (nc *NATSClient) Start(ctx context.Context) error {
+	nc.logger.Debug("running")
 	router, ok := ctx.Value(route.RouterContextKey).(route.RouteIO)
 
 	if !ok {
@@ -71,7 +60,9 @@ func (nc *NATSClient) Run(ctx context.Context) error {
 	}
 
 	nc.router = router
-	nc.ctx = ctx
+	moduleContext, cancel := context.WithCancel(ctx)
+	nc.ctx = moduleContext
+	nc.cancel = cancel
 
 	client, err := nats.Connect(nc.URL, nats.RetryOnFailedConnect(true))
 
@@ -121,3 +112,7 @@ func (nc *NATSClient) Output(ctx context.Context, payload any) error {
 
 	return err
 }
+
+func (nc *NATSClient) Stop() {
+	nc.cancel()
+}

internal/module/nats-server.go

@@ -0,0 +1,114 @@
+package module
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"log/slog"
+	"net"
+	"time"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/route"
+	"github.com/nats-io/nats-server/v2/server"
+)
+
+type NATSServer struct {
+	config config.ModuleConfig
+	ctx    context.Context
+	Ip     string
+	Port   int
+	router route.RouteIO
+	server *server.Server
+	logger *slog.Logger
+	cancel context.CancelFunc
+}
+
+func init() {
+	RegisterModule(ModuleRegistration{
+		Type: "nats.server",
+		New: func(moduleConfig config.ModuleConfig) (Module, error) {
+			params := moduleConfig.Params
+			portNum, err := params.GetInt("port")
+			if err != nil {
+				if errors.Is(err, config.ErrParamNotFound) {
+					portNum = 4222
+				} else {
+					return nil, fmt.Errorf("nats.server port error: %w", err)
+				}
+			}
+
+			ipString, err := params.GetString("ip")
+			if err != nil {
+				if errors.Is(err, config.ErrParamNotFound) {
+					ipString = "0.0.0.0"
+				} else {
+					return nil, fmt.Errorf("nats.server ip error: %w", err)
+				}
+			}
+
+			_, err = net.ResolveTCPAddr("tcp", fmt.Sprintf("%s:%d", ipString, uint16(portNum)))
+			if err != nil {
+				return nil, err
+			}
+			return &NATSServer{config: moduleConfig, logger: CreateLogger(moduleConfig), Ip: ipString, Port: portNum}, nil
+		},
+	})
+}
+
+func (ns *NATSServer) Id() string {
+	return ns.config.Id
+}
+
+func (ns *NATSServer) Type() string {
+	return ns.config.Type
+}
+
+func (ns *NATSServer) Start(ctx context.Context) error {
+	ns.logger.Debug("running")
+	router, ok := ctx.Value(route.RouterContextKey).(route.RouteIO)
+
+	if !ok {
+		return errors.New("nats.server unable to get router from context")
+	}
+
+	ns.router = router
+	moduleContext, cancel := context.WithCancel(ctx)
+	ns.ctx = moduleContext
+	ns.cancel = cancel
+
+	natsServer, err := server.NewServer(&server.Options{
+		Host:  ns.Ip,
+		Port:  ns.Port,
+		NoLog: true,
+	})
+
+	if err != nil {
+		return err
+	}
+
+	ns.server = natsServer
+	natsServer.Start()
+	defer natsServer.Shutdown()
+
+	if !natsServer.ReadyForConnections(5 * time.Second) {
+		return errors.New("nats.server failed to start")
+	}
+	ns.logger.Info("NATS server started", "client_url", natsServer.ClientURL())
+
+	<-ns.ctx.Done()
+
+	ns.logger.Debug("done")
+	return nil
+}
+
+func (ns *NATSServer) Output(ctx context.Context, payload any) error {
+	return errors.ErrUnsupported
+}
+
+func (ns *NATSServer) Stop() {
+	ns.cancel()
+	if ns.server != nil {
+		ns.server.Shutdown()
+	}
+}

internal/module/psn-client.go

@@ -20,6 +20,7 @@ type PSNClient struct {
 	router  route.RouteIO
 	decoder *psn.Decoder
 	logger  *slog.Logger
+	cancel  context.CancelFunc
 }
 
 func init() {
@@ -40,14 +41,17 @@ func (pc *PSNClient) Type() string {
 	return pc.config.Type
 }
 
-func (pc *PSNClient) Run(ctx context.Context) error {
+func (pc *PSNClient) Start(ctx context.Context) error {
+	pc.logger.Debug("running")
 	router, ok := ctx.Value(route.RouterContextKey).(route.RouteIO)
 
 	if !ok {
 		return errors.New("psn.client unable to get router from context")
 	}
 	pc.router = router
-	pc.ctx = ctx
+	moduleContext, cancel := context.WithCancel(ctx)
+	pc.ctx = moduleContext
+	pc.cancel = cancel
 
 	addr, err := net.ResolveUDPAddr("udp", "236.10.10.10:56565")
 	if err != nil {
@@ -104,3 +108,7 @@ func (pc *PSNClient) Run(ctx context.Context) error {
 func (pc *PSNClient) Output(ctx context.Context, payload any) error {
 	return fmt.Errorf("psn.client output is not implemented")
 }
+
+func (pc *PSNClient) Stop() {
+	pc.cancel()
+}

internal/module/serial-client.go

@@ -24,6 +24,7 @@ type SerialClient struct {
 	Mode   *serial.Mode
 	port   serial.Port
 	logger *slog.Logger
+	cancel context.CancelFunc
 }
 
 func init() {
@@ -31,48 +32,29 @@ func init() {
 		Type: "serial.client",
 		New: func(config config.ModuleConfig) (Module, error) {
 			params := config.Params
-			port, ok := params["port"]
-
-			if !ok {
-				return nil, errors.New("serial.client requires a port parameter")
+			portString, err := params.GetString("port")
+			if err != nil {
+				return nil, fmt.Errorf("serial.client port error: %w", err)
 			}
 
-			portString, ok := port.(string)
-
-			if !ok {
-				return nil, errors.New("serial.client port must be a string")
-			}
-
-			framingMethod, ok := params["framing"]
-
-			if !ok {
-				return nil, errors.New("serial.client requires a framing parameter")
-			}
-
-			framingMethodString, ok := framingMethod.(string)
-
-			if !ok {
-				return nil, errors.New("serial.client framing method must be a string")
+			framingMethodString, err := params.GetString("framing")
+			if err != nil {
+				return nil, fmt.Errorf("serial.client framing error: %w", err)
 			}
 
 			framer := framer.GetFramer(framingMethodString)
 
 			if framer == nil {
-				return nil, fmt.Errorf("serial.client unknown framing method: %s", framingMethod)
+				return nil, fmt.Errorf("serial.client unknown framing method: %s", framingMethodString)
 			}
 
-			buadRate, ok := params["baudRate"]
-			if !ok {
-				return nil, errors.New("serial.client requires a baudRate parameter")
-			}
-
-			baudRateNum, ok := buadRate.(float64)
-			if !ok {
-				return nil, errors.New("serial.client baudRate must be a number")
+			baudRateInt, err := params.GetInt("baudRate")
+			if err != nil {
+				return nil, fmt.Errorf("serial.client baudRate error: %w", err)
 			}
 
 			mode := serial.Mode{
-				BaudRate: int(baudRateNum),
+				BaudRate: baudRateInt,
 			}
 
 			return &SerialClient{config: config, Port: portString, Framer: framer, Mode: &mode, logger: CreateLogger(config)}, nil
@@ -100,7 +82,8 @@ func (sc *SerialClient) SetupPort() error {
 	return nil
 }
 
-func (sc *SerialClient) Run(ctx context.Context) error {
+func (sc *SerialClient) Start(ctx context.Context) error {
+	sc.logger.Debug("running")
 	router, ok := ctx.Value(route.RouterContextKey).(route.RouteIO)
 
 	if !ok {
@@ -108,7 +91,9 @@ func (sc *SerialClient) Run(ctx context.Context) error {
 	}
 
 	sc.router = router
-	sc.ctx = ctx
+	moduleContext, cancel := context.WithCancel(ctx)
+	sc.ctx = moduleContext
+	sc.cancel = cancel
 
 	// TODO(jwetzell): shutdown with router.Context properly
 	go func() {
@@ -180,3 +165,7 @@ func (sc *SerialClient) Output(ctx context.Context, payload any) error {
 	_, err := sc.port.Write(sc.Framer.Encode(payloadBytes))
 	return err
 }
+
+func (sc *SerialClient) Stop() {
+	sc.cancel()
+}

internal/module/sip-call-server.go

@@ -29,6 +29,7 @@ type SIPCallServer struct {
 	UserAgent string
 	dg        *diago.Diago
 	logger    *slog.Logger
+	cancel    context.CancelFunc
 }
 
 type SIPCallMessage struct {
@@ -45,60 +46,46 @@ type sipCallContextKey string
 func init() {
 	RegisterModule(ModuleRegistration{
 		Type: "sip.call.server",
-		New: func(config config.ModuleConfig) (Module, error) {
-			params := config.Params
-			portNum := 5060
+		New: func(moduleConfig config.ModuleConfig) (Module, error) {
+			params := moduleConfig.Params
+			portNum, err := params.GetInt("port")
+			if err != nil {
 
-			port, ok := params["port"]
-			if ok {
-				specificPortNum, ok := port.(float64)
-
-				if !ok {
-					return nil, errors.New("sip.call.server port must be a number")
+				if errors.Is(err, config.ErrParamNotFound) {
+					portNum = 5060
+				} else {
+					return nil, fmt.Errorf("sip.call.server port error: %w", err)
 				}
-				portNum = int(specificPortNum)
 			}
 
-			ipString := "0.0.0.0"
-
-			ip, ok := params["ip"]
-			if ok {
-
-				specificIpString, ok := ip.(string)
-
-				if !ok {
-					return nil, errors.New("sip.call.server ip must be a string")
+			ipString, err := params.GetString("ip")
+			if err != nil {
+				if errors.Is(err, config.ErrParamNotFound) {
+					ipString = "0.0.0.0"
+				} else {
+					return nil, fmt.Errorf("sip.call.server ip error: %w", err)
 				}
-				ipString = specificIpString
 			}
 
-			transportString := "udp"
-
-			transport, ok := params["transport"]
-			if ok {
-
-				specificTransportString, ok := transport.(string)
-
-				if !ok {
-					return nil, errors.New("sip.call.server transport must be a string")
+			transportString, err := params.GetString("transport")
+			if err != nil {
+				if errors.Is(err, config.ErrParamNotFound) {
+					transportString = "udp"
+				} else {
+					return nil, fmt.Errorf("sip.call.server transport error: %w", err)
 				}
-				transportString = specificTransportString
 			}
 
-			userAgentString := "showbridge"
-
-			userAgent, ok := params["userAgent"]
-			if ok {
-
-				specificTransportString, ok := userAgent.(string)
-
-				if !ok {
-					return nil, errors.New("sip.call.server userAgent must be a string")
+			userAgentString, err := params.GetString("userAgent")
+			if err != nil {
+				if errors.Is(err, config.ErrParamNotFound) {
+					userAgentString = "showbridge"
+				} else {
+					return nil, fmt.Errorf("sip.call.server userAgent error: %w", err)
 				}
-				userAgentString = specificTransportString
 			}
 
-			return &SIPCallServer{config: config, IP: ipString, Port: int(portNum), Transport: transportString, UserAgent: userAgentString, logger: CreateLogger(config)}, nil
+			return &SIPCallServer{config: moduleConfig, IP: ipString, Port: int(portNum), Transport: transportString, UserAgent: userAgentString, logger: CreateLogger(moduleConfig)}, nil
 		},
 	})
 }
@@ -111,14 +98,17 @@ func (scs *SIPCallServer) Type() string {
 	return scs.config.Type
 }
 
-func (scs *SIPCallServer) Run(ctx context.Context) error {
+func (scs *SIPCallServer) Start(ctx context.Context) error {
+	scs.logger.Debug("running")
 	router, ok := ctx.Value(route.RouterContextKey).(route.RouteIO)
 
 	if !ok {
 		return errors.New("sip.call.server unable to get router from context")
 	}
 	scs.router = router
-	scs.ctx = ctx
+	moduleContext, cancel := context.WithCancel(ctx)
+	scs.ctx = moduleContext
+	scs.cancel = cancel
 
 	diagoLogger := slog.New(slog.NewJSONHandler(io.Discard, nil))
 
@@ -187,7 +177,6 @@ func (scs *SIPCallServer) Output(ctx context.Context, payload any) error {
 
 	if ok {
 		dtmfWriter := call.inDialog.AudioWriterDTMF()
-
 		time.Sleep(time.Millisecond * time.Duration(payloadDTMFResponse.PreWait))
 		for i, dtmfRune := range payloadDTMFResponse.Digits {
 			err := dtmfWriter.WriteDTMF(dtmfRune)
@@ -196,7 +185,7 @@ func (scs *SIPCallServer) Output(ctx context.Context, payload any) error {
 				return fmt.Errorf("sip.dtmf.server error output dtmf digit at index %d", i)
 			}
 		}
-		time.Sleep(time.Millisecond * time.Duration(payloadDTMFResponse.PreWait))
+		time.Sleep(time.Millisecond * time.Duration(payloadDTMFResponse.PostWait))
 		return nil
 	}
 
@@ -228,3 +217,7 @@ func (scs *SIPCallServer) Output(ctx context.Context, payload any) error {
 	}
 	return errors.New("sip.dtmf.server can only output SipDTMFResponse or SipAudioFileResponse")
 }
+
+func (scs *SIPCallServer) Stop() {
+	scs.cancel()
+}

internal/module/sip-dtmf-server.go

@@ -27,8 +27,10 @@ type SIPDTMFServer struct {
 	IP        string
 	Port      int
 	Transport string
+	UserAgent string
 	Separator string
 	logger    *slog.Logger
+	cancel    context.CancelFunc
 }
 
 type SIPDTMFMessage struct {
@@ -44,53 +46,49 @@ type SIPDTMFCall struct {
 func init() {
 	RegisterModule(ModuleRegistration{
 		Type: "sip.dtmf.server",
-		New: func(config config.ModuleConfig) (Module, error) {
-			params := config.Params
-			portNum := 5060
+		New: func(moduleConfig config.ModuleConfig) (Module, error) {
+			params := moduleConfig.Params
 
-			port, ok := params["port"]
-			if ok {
-				specificPortNum, ok := port.(float64)
+			portNum, err := params.GetInt("port")
+			if err != nil {
 
-				if !ok {
-					return nil, errors.New("sip.dtmf.server port must be a number")
+				if errors.Is(err, config.ErrParamNotFound) {
+					portNum = 5060
+				} else {
+					return nil, fmt.Errorf("sip.dtmf.server port error: %w", err)
 				}
-				portNum = int(specificPortNum)
 			}
 
-			ipString := "0.0.0.0"
-
-			ip, ok := params["ip"]
-			if ok {
-
-				specificIpString, ok := ip.(string)
-
-				if !ok {
-					return nil, errors.New("sip.dtmf.server ip must be a string")
+			ipString, err := params.GetString("ip")
+			if err != nil {
+				if errors.Is(err, config.ErrParamNotFound) {
+					ipString = "0.0.0.0"
+				} else {
+					return nil, fmt.Errorf("sip.dtmf.server ip error: %w", err)
 				}
-				ipString = specificIpString
 			}
 
-			transportString := "udp"
-
-			transport, ok := params["transport"]
-			if ok {
-
-				specificTransportString, ok := transport.(string)
-
-				if !ok {
-					return nil, errors.New("sip.dtmf.server transport must be a string")
+			transportString, err := params.GetString("transport")
+			if err != nil {
+				if errors.Is(err, config.ErrParamNotFound) {
+					transportString = "udp"
+				} else {
+					return nil, fmt.Errorf("sip.dtmf.server transport error: %w", err)
 				}
-				transportString = specificTransportString
 			}
 
-			separator, ok := params["separator"]
-			if !ok {
-				return nil, errors.New("sip.dtmf.server requires a separator parameter")
+			userAgentString, err := params.GetString("userAgent")
+			if err != nil {
+				if errors.Is(err, config.ErrParamNotFound) {
+					userAgentString = "showbridge"
+				} else {
+					return nil, fmt.Errorf("sip.dtmf.server userAgent error: %w", err)
+				}
 			}
-			separatorString, ok := separator.(string)
-			if !ok {
-				return nil, errors.New("sip.dtmf.server separator must be a string")
+
+			separatorString, err := params.GetString("separator")
+			if err != nil {
+				return nil, fmt.Errorf("sip.dtmf.server separator error: %w", err)
 			}
 
 			if len(separatorString) != 1 {
@@ -100,7 +98,7 @@ func init() {
 			if !strings.ContainsRune("0123456789*#ABCD", rune(separatorString[0])) {
 				return nil, errors.New("sip.dtmf.server separator must be a valid DTMF character")
 			}
-			return &SIPDTMFServer{config: config, IP: ipString, Port: int(portNum), Transport: transportString, Separator: separatorString, logger: CreateLogger(config)}, nil
+			return &SIPDTMFServer{config: moduleConfig, IP: ipString, Port: int(portNum), Transport: transportString, UserAgent: userAgentString, Separator: separatorString, logger: CreateLogger(moduleConfig)}, nil
 		},
 	})
 }
@@ -113,18 +111,22 @@ func (sds *SIPDTMFServer) Type() string {
 	return sds.config.Type
 }
 
-func (sds *SIPDTMFServer) Run(ctx context.Context) error {
+func (sds *SIPDTMFServer) Start(ctx context.Context) error {
+	sds.logger.Debug("running")
 	router, ok := ctx.Value(route.RouterContextKey).(route.RouteIO)
 
 	if !ok {
 		return errors.New("sip.dtmf.server unable to get router from context")
 	}
 	sds.router = router
-	sds.ctx = ctx
+	moduleContext, cancel := context.WithCancel(ctx)
+	sds.ctx = moduleContext
+	sds.cancel = cancel
 
 	diagoLogger := slog.New(slog.NewJSONHandler(io.Discard, nil))
 
 	ua, _ := sipgo.NewUA(
+		sipgo.WithUserAgent(sds.UserAgent),
 		sipgo.WithUserAgentTransportLayerOptions(sip.WithTransportLayerLogger(diagoLogger)),
 		sipgo.WithUserAgentTransactionLayerOptions(sip.WithTransactionLayerLogger(diagoLogger)),
 	)
@@ -210,7 +212,7 @@ func (sds *SIPDTMFServer) Output(ctx context.Context, payload any) error {
 				return fmt.Errorf("sip.dtmf.server error output dtmf digit at index %d", i)
 			}
 		}
-		time.Sleep(time.Millisecond * time.Duration(payloadDTMFResponse.PreWait))
+		time.Sleep(time.Millisecond * time.Duration(payloadDTMFResponse.PostWait))
 		return nil
 	}
 
@@ -243,3 +245,7 @@ func (sds *SIPDTMFServer) Output(ctx context.Context, payload any) error {
 
 	return errors.New("sip.dtmf.server can only output SipDTMFResponse or SipAudioFileResponse")
 }
+
+func (sds *SIPDTMFServer) Stop() {
+	sds.cancel()
+}

internal/module/tcp-client.go

@@ -21,6 +21,7 @@ type TCPClient struct {
 	router route.RouteIO
 	Addr   *net.TCPAddr
 	logger *slog.Logger
+	cancel context.CancelFunc
 }
 
 func init() {
@@ -28,27 +29,14 @@ func init() {
 		Type: "net.tcp.client",
 		New: func(config config.ModuleConfig) (Module, error) {
 			params := config.Params
-			host, ok := params["host"]
-
-			if !ok {
-				return nil, errors.New("net.tcp.client requires a host parameter")
+			hostString, err := params.GetString("host")
+			if err != nil {
+				return nil, fmt.Errorf("net.tcp.client host error: %w", err)
 			}
 
-			hostString, ok := host.(string)
-
-			if !ok {
-				return nil, errors.New("net.tcp.client host must be string")
-			}
-
-			port, ok := params["port"]
-			if !ok {
-				return nil, errors.New("net.tcp.client requires a port parameter")
-			}
-
-			portNum, ok := port.(float64)
-
-			if !ok {
-				return nil, errors.New("net.tcp.client port must be a number")
+			portNum, err := params.GetInt("port")
+			if err != nil {
+				return nil, fmt.Errorf("net.tcp.client port error: %w", err)
 			}
 
 			addr, err := net.ResolveTCPAddr("tcp", fmt.Sprintf("%s:%d", hostString, uint16(portNum)))
@@ -56,22 +44,15 @@ func init() {
 				return nil, err
 			}
 
-			framingMethod, ok := params["framing"]
-
-			if !ok {
-				return nil, errors.New("net.tcp.client requires a framing parameter")
-			}
-
-			framingMethodString, ok := framingMethod.(string)
-
-			if !ok {
-				return nil, errors.New("net.tcp.client framing method must be a string")
+			framingMethodString, err := params.GetString("framing")
+			if err != nil {
+				return nil, fmt.Errorf("net.tcp.client framing error: %w", err)
 			}
 
 			framer := framer.GetFramer(framingMethodString)
 
 			if framer == nil {
-				return nil, fmt.Errorf("net.tcp.client unknown framing method: %s", framingMethod)
+				return nil, fmt.Errorf("net.tcp.client unknown framing method: %s", framingMethodString)
 			}
 			return &TCPClient{framer: framer, Addr: addr, config: config, logger: CreateLogger(config)}, nil
 		},
@@ -86,15 +67,17 @@ func (tc *TCPClient) Type() string {
 	return tc.config.Type
 }
 
-func (tc *TCPClient) Run(ctx context.Context) error {
-
+func (tc *TCPClient) Start(ctx context.Context) error {
+	tc.logger.Debug("running")
 	router, ok := ctx.Value(route.RouterContextKey).(route.RouteIO)
 
 	if !ok {
 		return errors.New("net.tcp.client unable to get router from context")
 	}
 	tc.router = router
-	tc.ctx = ctx
+	moduleContext, cancel := context.WithCancel(ctx)
+	tc.ctx = moduleContext
+	tc.cancel = cancel
 
 	// TODO(jwetzell): shutdown with router.Context properly
 	go func() {
@@ -176,3 +159,7 @@ func (tc *TCPClient) Output(ctx context.Context, payload any) error {
 	_, err := tc.conn.Write(tc.framer.Encode(payloadBytes))
 	return err
 }
+
+func (tc *TCPClient) Stop() {
+	tc.cancel()
+}

internal/module/tcp-server.go

@@ -27,60 +27,44 @@ type TCPServer struct {
 	connections   []*net.TCPConn
 	connectionsMu sync.RWMutex
 	logger        *slog.Logger
+	cancel        context.CancelFunc
 }
 
 func init() {
 	RegisterModule(ModuleRegistration{
 		Type: "net.tcp.server",
-		New: func(config config.ModuleConfig) (Module, error) {
-			params := config.Params
-			port, ok := params["port"]
-			if !ok {
-				return nil, errors.New("net.tcp.server requires a port parameter")
+		New: func(moduleConfig config.ModuleConfig) (Module, error) {
+			params := moduleConfig.Params
+			portNum, err := params.GetInt("port")
+			if err != nil {
+				return nil, fmt.Errorf("net.tcp.server port error: %w", err)
 			}
 
-			portNum, ok := port.(float64)
-
-			if !ok {
-				return nil, errors.New("net.tcp.server port must be a number")
-			}
-
-			framingMethod, ok := params["framing"]
-
-			if !ok {
-				return nil, errors.New("net.tcp.server requires a framing parameter")
-			}
-
-			framingMethodString, ok := framingMethod.(string)
-
-			if !ok {
-				return nil, errors.New("net.tcp.server framing method must be a string")
+			framingMethodString, err := params.GetString("framing")
+			if err != nil {
+				return nil, fmt.Errorf("net.tcp.server framing error: %w", err)
 			}
 
 			framer := framer.GetFramer(framingMethodString)
 
 			if framer == nil {
-				return nil, fmt.Errorf("net.tcp.server unknown framing method: %s", framingMethod)
+				return nil, fmt.Errorf("net.tcp.server unknown framing method: %s", framingMethodString)
 			}
 
-			ipString := "0.0.0.0"
-
-			ip, ok := params["ip"]
-			if ok {
-
-				specificIpString, ok := ip.(string)
-
-				if !ok {
-					return nil, errors.New("net.tcp.server ip must be a string")
+			ipString, err := params.GetString("ip")
+			if err != nil {
+				if errors.Is(err, config.ErrParamNotFound) {
+					ipString = "0.0.0.0"
+				} else {
+					return nil, fmt.Errorf("net.tcp.server ip error: %w", err)
 				}
-				ipString = specificIpString
 			}
 
 			addr, err := net.ResolveTCPAddr("tcp", fmt.Sprintf("%s:%d", ipString, uint16(portNum)))
 			if err != nil {
 				return nil, err
 			}
-			return &TCPServer{Framer: framer, Addr: addr, config: config, quit: make(chan interface{}), logger: CreateLogger(config)}, nil
+			return &TCPServer{Framer: framer, Addr: addr, config: moduleConfig, quit: make(chan interface{}), logger: CreateLogger(moduleConfig)}, nil
 		},
 	})
 }
@@ -105,6 +89,15 @@ ClientRead:
 	for {
 		select {
 		case <-ts.quit:
+			client.Close()
+			ts.connectionsMu.Lock()
+			for i := 0; i < len(ts.connections); i++ {
+				if ts.connections[i] == client {
+					ts.connections = slices.Delete(ts.connections, i, i+1)
+					break
+				}
+			}
+			ts.connectionsMu.Unlock()
 			return
 		default:
 			client.SetDeadline(time.Now().Add(time.Millisecond * 200))
@@ -158,15 +151,17 @@ ClientRead:
 	}
 }
 
-func (ts *TCPServer) Run(ctx context.Context) error {
-
+func (ts *TCPServer) Start(ctx context.Context) error {
+	ts.logger.Debug("running")
 	router, ok := ctx.Value(route.RouterContextKey).(route.RouteIO)
 
 	if !ok {
 		return errors.New("net.tcp.server unable to get router from context")
 	}
 	ts.router = router
-	ts.ctx = ctx
+	moduleContext, cancel := context.WithCancel(ctx)
+	ts.ctx = moduleContext
+	ts.cancel = cancel
 
 	listener, err := net.ListenTCP("tcp", ts.Addr)
 	if err != nil {
@@ -226,3 +221,8 @@ func (ts *TCPServer) Output(ctx context.Context, payload any) error {
 	}
 	return fmt.Errorf("net.tcp.server error during output: %s", errorString)
 }
+
+func (ts *TCPServer) Stop() {
+	ts.cancel()
+	ts.wg.Wait()
+}

internal/module/test/http-client_test.go

@@ -0,0 +1,73 @@
+package module_test
+
+import (
+	"testing"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/module"
+)
+
+func TestHTTPClientFromRegistry(t *testing.T) {
+	registration, ok := module.ModuleRegistry["http.client"]
+	if !ok {
+		t.Fatalf("http.client module not registered")
+	}
+
+	moduleInstance, err := registration.New(config.ModuleConfig{
+		Id:   "test",
+		Type: "http.client",
+	})
+
+	if err != nil {
+		t.Fatalf("failed to create http.client module: %s", err)
+	}
+
+	if moduleInstance.Id() != "test" {
+		t.Fatalf("http.client module has wrong id: %s", moduleInstance.Id())
+	}
+
+	if moduleInstance.Type() != "http.client" {
+		t.Fatalf("http.client module has wrong type: %s", moduleInstance.Type())
+	}
+}
+
+func TestBadHTTPClient(t *testing.T) {
+	tests := []struct {
+		name        string
+		params      map[string]any
+		errorString string
+	}{}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+
+			registration, ok := module.ModuleRegistry["http.client"]
+			if !ok {
+				t.Fatalf("http.client module not registered")
+			}
+
+			moduleInstance, err := registration.New(config.ModuleConfig{
+				Id:     "test",
+				Type:   "http.client",
+				Params: test.params,
+			})
+
+			if err != nil {
+				if test.errorString != err.Error() {
+					t.Fatalf("http.client got error '%s', expected '%s'", err.Error(), test.errorString)
+				}
+				return
+			}
+
+			err = moduleInstance.Start(t.Context())
+
+			if err == nil {
+				t.Fatalf("http.client expected to fail")
+			}
+
+			if err.Error() != test.errorString {
+				t.Fatalf("http.client got error '%s', expected '%s'", err.Error(), test.errorString)
+			}
+		})
+	}
+}

internal/module/test/http-server_test.go

@@ -0,0 +1,87 @@
+package module_test
+
+import (
+	"testing"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/module"
+)
+
+func TestHTTPServerFromRegistry(t *testing.T) {
+	registration, ok := module.ModuleRegistry["http.server"]
+	if !ok {
+		t.Fatalf("http.server module not registered")
+	}
+
+	moduleInstance, err := registration.New(config.ModuleConfig{
+		Id:   "test",
+		Type: "http.server",
+		Params: map[string]any{
+			"port": 3000.0,
+		},
+	})
+
+	if err != nil {
+		t.Fatalf("failed to create http.server module: %s", err)
+	}
+
+	if moduleInstance.Id() != "test" {
+		t.Fatalf("http.server module has wrong id: %s", moduleInstance.Id())
+	}
+
+	if moduleInstance.Type() != "http.server" {
+		t.Fatalf("http.server module has wrong type: %s", moduleInstance.Type())
+	}
+}
+
+func TestBadHTTPServer(t *testing.T) {
+	tests := []struct {
+		name        string
+		params      map[string]any
+		errorString string
+	}{
+		{
+			name:        "no port param",
+			params:      map[string]any{},
+			errorString: "http.server port error: not found",
+		},
+		{
+			name:        "non-numeric port",
+			params:      map[string]any{"port": "3000"},
+			errorString: "http.server port error: not a number",
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+
+			registration, ok := module.ModuleRegistry["http.server"]
+			if !ok {
+				t.Fatalf("http.server module not registered")
+			}
+
+			moduleInstance, err := registration.New(config.ModuleConfig{
+				Id:     "test",
+				Type:   "http.server",
+				Params: test.params,
+			})
+
+			if err != nil {
+				if test.errorString != err.Error() {
+					t.Fatalf("http.server got error '%s', expected '%s'", err.Error(), test.errorString)
+				}
+				return
+			}
+
+			err = moduleInstance.Start(t.Context())
+
+			if err == nil {
+				t.Fatalf("http.server expected to fail")
+			}
+
+			if err.Error() != test.errorString {
+				t.Fatalf("http.server got error '%s', expected '%s'", err.Error(), test.errorString)
+			}
+		})
+	}
+}

internal/module/test/midi-input_test.go

@@ -0,0 +1,87 @@
+package module_test
+
+import (
+	"testing"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/module"
+)
+
+func TestMIDIInputFromRegistry(t *testing.T) {
+	registration, ok := module.ModuleRegistry["midi.input"]
+	if !ok {
+		t.Fatalf("midi.input module not registered")
+	}
+
+	moduleInstance, err := registration.New(config.ModuleConfig{
+		Id:   "test",
+		Type: "midi.input",
+		Params: map[string]any{
+			"port": "test",
+		},
+	})
+
+	if err != nil {
+		t.Fatalf("failed to create midi.input module: %s", err)
+	}
+
+	if moduleInstance.Id() != "test" {
+		t.Fatalf("midi.input module has wrong id: %s", moduleInstance.Id())
+	}
+
+	if moduleInstance.Type() != "midi.input" {
+		t.Fatalf("midi.input module has wrong type: %s", moduleInstance.Type())
+	}
+}
+
+func TestBadMIDIInput(t *testing.T) {
+	tests := []struct {
+		name        string
+		params      map[string]any
+		errorString string
+	}{
+		{
+			name:        "no port param",
+			params:      map[string]any{},
+			errorString: "midi.input port error: not found",
+		},
+		{
+			name:        "non-string port",
+			params:      map[string]any{"port": 123},
+			errorString: "midi.input port error: not a string",
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+
+			registration, ok := module.ModuleRegistry["midi.input"]
+			if !ok {
+				t.Fatalf("midi.input module not registered")
+			}
+
+			moduleInstance, err := registration.New(config.ModuleConfig{
+				Id:     "test",
+				Type:   "midi.input",
+				Params: test.params,
+			})
+
+			if err != nil {
+				if test.errorString != err.Error() {
+					t.Fatalf("midi.input got error '%s', expected '%s'", err.Error(), test.errorString)
+				}
+				return
+			}
+
+			err = moduleInstance.Start(t.Context())
+
+			if err == nil {
+				t.Fatalf("midi.input expected to fail")
+			}
+
+			if err.Error() != test.errorString {
+				t.Fatalf("midi.input got error '%s', expected '%s'", err.Error(), test.errorString)
+			}
+		})
+	}
+}

internal/module/test/midi-output_test.go

@@ -0,0 +1,87 @@
+package module_test
+
+import (
+	"testing"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/module"
+)
+
+func TestMIDIOutputFromRegistry(t *testing.T) {
+	registration, ok := module.ModuleRegistry["midi.output"]
+	if !ok {
+		t.Fatalf("midi.output module not registered")
+	}
+
+	moduleInstance, err := registration.New(config.ModuleConfig{
+		Id:   "test",
+		Type: "midi.output",
+		Params: map[string]any{
+			"port": "test",
+		},
+	})
+
+	if err != nil {
+		t.Fatalf("failed to create midi.output module: %s", err)
+	}
+
+	if moduleInstance.Id() != "test" {
+		t.Fatalf("midi.output module has wrong id: %s", moduleInstance.Id())
+	}
+
+	if moduleInstance.Type() != "midi.output" {
+		t.Fatalf("midi.output module has wrong type: %s", moduleInstance.Type())
+	}
+}
+
+func TestBadMIDIOutput(t *testing.T) {
+	tests := []struct {
+		name        string
+		params      map[string]any
+		errorString string
+	}{
+		{
+			name:        "no port param",
+			params:      map[string]any{},
+			errorString: "midi.output port error: not found",
+		},
+		{
+			name:        "non-string port",
+			params:      map[string]any{"port": 123},
+			errorString: "midi.output port error: not a string",
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+
+			registration, ok := module.ModuleRegistry["midi.output"]
+			if !ok {
+				t.Fatalf("midi.output module not registered")
+			}
+
+			moduleInstance, err := registration.New(config.ModuleConfig{
+				Id:     "test",
+				Type:   "midi.output",
+				Params: test.params,
+			})
+
+			if err != nil {
+				if test.errorString != err.Error() {
+					t.Fatalf("midi.output got error '%s', expected '%s'", err.Error(), test.errorString)
+				}
+				return
+			}
+
+			err = moduleInstance.Start(t.Context())
+
+			if err == nil {
+				t.Fatalf("midi.output expected to fail")
+			}
+
+			if err.Error() != test.errorString {
+				t.Fatalf("midi.output got error '%s', expected '%s'", err.Error(), test.errorString)
+			}
+		})
+	}
+}

internal/module/test/module_test.go

@@ -0,0 +1,81 @@
+package module_test
+
+import (
+	"context"
+	"testing"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/module"
+)
+
+type TestModule struct {
+}
+
+func (m *TestModule) Output(ctx context.Context, payload any) error {
+	return nil
+}
+
+func (m *TestModule) Start(ctx context.Context) error {
+	<-ctx.Done()
+	return nil
+}
+
+func (m *TestModule) Stop() {}
+
+func (m *TestModule) Type() string {
+	return "module.test"
+}
+
+func (m *TestModule) Id() string {
+	return "test"
+}
+
+func TestModuleBadRegistrationNoType(t *testing.T) {
+	defer func() {
+		if r := recover(); r == nil {
+			t.Fatalf("module registration should have panicked but did not")
+		}
+	}()
+
+	module.RegisterModule(module.ModuleRegistration{
+		Type: "",
+		New: func(config config.ModuleConfig) (module.Module, error) {
+			return &TestModule{}, nil
+		},
+	})
+}
+
+func TestModuleBadRegistrationNoNew(t *testing.T) {
+	defer func() {
+		if r := recover(); r == nil {
+			t.Fatalf("processor registration should have panicked but did not")
+		}
+	}()
+
+	module.RegisterModule(module.ModuleRegistration{
+		Type: "module.test",
+		New:  nil,
+	})
+}
+
+func TestModuleBadRegistrationExistingType(t *testing.T) {
+	defer func() {
+		if r := recover(); r == nil {
+			t.Fatalf("processor registration should have panicked but did not")
+		}
+	}()
+
+	module.RegisterModule(module.ModuleRegistration{
+		Type: "module.test",
+		New: func(config config.ModuleConfig) (module.Module, error) {
+			return &TestModule{}, nil
+		},
+	})
+
+	module.RegisterModule(module.ModuleRegistration{
+		Type: "module.test",
+		New: func(config config.ModuleConfig) (module.Module, error) {
+			return &TestModule{}, nil
+		},
+	})
+}

internal/module/test/mqtt-client_test.go

@@ -0,0 +1,130 @@
+package module_test
+
+import (
+	"testing"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/module"
+)
+
+func TestMQTTClientFromRegistry(t *testing.T) {
+	registration, ok := module.ModuleRegistry["mqtt.client"]
+	if !ok {
+		t.Fatalf("mqtt.client module not registered")
+	}
+
+	moduleInstance, err := registration.New(config.ModuleConfig{
+		Id:   "test",
+		Type: "mqtt.client",
+		Params: map[string]any{
+			"broker":   "mqtt://localhost:1883",
+			"topic":    "test/topic",
+			"clientId": "test",
+		},
+	})
+
+	if err != nil {
+		t.Fatalf("failed to create mqtt.client module: %s", err)
+	}
+
+	if moduleInstance.Id() != "test" {
+		t.Fatalf("mqtt.client module has wrong id: %s", moduleInstance.Id())
+	}
+
+	if moduleInstance.Type() != "mqtt.client" {
+		t.Fatalf("mqtt.client module has wrong type: %s", moduleInstance.Type())
+	}
+}
+
+func TestBadMQTTClient(t *testing.T) {
+	tests := []struct {
+		name        string
+		params      map[string]any
+		errorString string
+	}{
+		{
+			name: "no broker param",
+			params: map[string]any{
+				"topic":    "test/topic",
+				"clientId": "test",
+			},
+			errorString: "mqtt.client broker error: not found",
+		},
+		{
+			name: "non-string broker",
+			params: map[string]any{
+				"broker":   123,
+				"topic":    "test/topic",
+				"clientId": "test",
+			},
+			errorString: "mqtt.client broker error: not a string",
+		},
+		{
+			name: "no topic param",
+			params: map[string]any{
+				"broker":   "mqtt://localhost:1883",
+				"clientId": "test",
+			},
+			errorString: "mqtt.client topic error: not found",
+		},
+		{
+			name: "non-string topic",
+			params: map[string]any{
+				"broker":   "mqtt://localhost:1883",
+				"topic":    123,
+				"clientId": "test",
+			},
+			errorString: "mqtt.client topic error: not a string",
+		},
+		{
+			name: "no clientId param",
+			params: map[string]any{
+				"broker": "mqtt://localhost:1883",
+				"topic":  "test/topic",
+			},
+			errorString: "mqtt.client clientId error: not found",
+		},
+		{
+			name: "non-string clientId",
+			params: map[string]any{
+				"broker":   "mqtt://localhost:1883",
+				"topic":    "test/topic",
+				"clientId": 123,
+			},
+			errorString: "mqtt.client clientId error: not a string",
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+
+			registration, ok := module.ModuleRegistry["mqtt.client"]
+			if !ok {
+				t.Fatalf("mqtt.client module not registered")
+			}
+
+			moduleInstance, err := registration.New(config.ModuleConfig{
+				Id:     "test",
+				Type:   "mqtt.client",
+				Params: test.params,
+			})
+
+			if err != nil {
+				if test.errorString != err.Error() {
+					t.Fatalf("mqtt.client got error '%s', expected '%s'", err.Error(), test.errorString)
+				}
+				return
+			}
+
+			err = moduleInstance.Start(t.Context())
+
+			if err == nil {
+				t.Fatalf("mqtt.client expected to fail")
+			}
+
+			if err.Error() != test.errorString {
+				t.Fatalf("mqtt.client got error '%s', expected '%s'", err.Error(), test.errorString)
+			}
+		})
+	}
+}

internal/module/test/nats-client_test.go

@@ -0,0 +1,108 @@
+package module_test
+
+import (
+	"testing"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/module"
+)
+
+func TestNATSClientFromRegistry(t *testing.T) {
+	registration, ok := module.ModuleRegistry["nats.client"]
+	if !ok {
+		t.Fatalf("nats.client module not registered")
+	}
+
+	moduleInstance, err := registration.New(config.ModuleConfig{
+		Id:   "test",
+		Type: "nats.client",
+		Params: map[string]any{
+			"url":     "nats://127.0.0.1:4222",
+			"subject": "test",
+		},
+	})
+
+	if err != nil {
+		t.Fatalf("failed to create nats.client module: %s", err)
+	}
+
+	if moduleInstance.Id() != "test" {
+		t.Fatalf("nats.client module has wrong id: %s", moduleInstance.Id())
+	}
+
+	if moduleInstance.Type() != "nats.client" {
+		t.Fatalf("nats.client module has wrong type: %s", moduleInstance.Type())
+	}
+}
+
+func TestBadNATSClient(t *testing.T) {
+	tests := []struct {
+		name        string
+		params      map[string]any
+		errorString string
+	}{
+		{
+			name: "no url param",
+			params: map[string]any{
+				"subject": "test/subject",
+			},
+			errorString: "nats.client url error: not found",
+		},
+		{
+			name: "non-string url",
+			params: map[string]any{
+				"url":     123,
+				"subject": "test/subject",
+			},
+			errorString: "nats.client url error: not a string",
+		},
+		{
+			name: "no subject param",
+			params: map[string]any{
+				"url": "nats://127.0.0.1:4222",
+			},
+			errorString: "nats.client subject error: not found",
+		},
+		{
+			name: "non-string subject",
+			params: map[string]any{
+				"url":     "nats://127.0.0.1:4222",
+				"subject": 123,
+			},
+			errorString: "nats.client subject error: not a string",
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+
+			registration, ok := module.ModuleRegistry["nats.client"]
+			if !ok {
+				t.Fatalf("nats.client module not registered")
+			}
+
+			moduleInstance, err := registration.New(config.ModuleConfig{
+				Id:     "test",
+				Type:   "nats.client",
+				Params: test.params,
+			})
+
+			if err != nil {
+				if test.errorString != err.Error() {
+					t.Fatalf("nats.client got error '%s', expected '%s'", err.Error(), test.errorString)
+				}
+				return
+			}
+
+			err = moduleInstance.Start(t.Context())
+
+			if err == nil {
+				t.Fatalf("nats.client expected to fail")
+			}
+
+			if err.Error() != test.errorString {
+				t.Fatalf("nats.client got error '%s', expected '%s'", err.Error(), test.errorString)
+			}
+		})
+	}
+}

internal/module/test/nats-server_test.go

@@ -0,0 +1,85 @@
+package module_test
+
+import (
+	"testing"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/module"
+)
+
+func TestNATSServerFromRegistry(t *testing.T) {
+	registration, ok := module.ModuleRegistry["nats.server"]
+	if !ok {
+		t.Fatalf("nats.server module not registered")
+	}
+
+	moduleInstance, err := registration.New(config.ModuleConfig{
+		Id:   "test",
+		Type: "nats.server",
+		Params: map[string]any{
+			"ip":   "127.0.0.1",
+			"port": 4222,
+		},
+	})
+
+	if err != nil {
+		t.Fatalf("failed to create nats.server module: %s", err)
+	}
+
+	if moduleInstance.Id() != "test" {
+		t.Fatalf("nats.server module has wrong id: %s", moduleInstance.Id())
+	}
+
+	if moduleInstance.Type() != "nats.server" {
+		t.Fatalf("nats.server module has wrong type: %s", moduleInstance.Type())
+	}
+}
+
+func TestBadNATSServer(t *testing.T) {
+	tests := []struct {
+		name        string
+		params      map[string]any
+		errorString string
+	}{
+		{
+			name: "non-string ip",
+			params: map[string]any{
+				"ip": 123,
+			},
+			errorString: "nats.server ip error: not a string",
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+
+			registration, ok := module.ModuleRegistry["nats.server"]
+			if !ok {
+				t.Fatalf("nats.server module not registered")
+			}
+
+			moduleInstance, err := registration.New(config.ModuleConfig{
+				Id:     "test",
+				Type:   "nats.server",
+				Params: test.params,
+			})
+
+			if err != nil {
+				if test.errorString != err.Error() {
+					t.Fatalf("nats.server got error '%s', expected '%s'", err.Error(), test.errorString)
+				}
+				return
+			}
+
+			err = moduleInstance.Start(t.Context())
+
+			if err == nil {
+				t.Fatalf("nats.server expected to fail")
+			}
+
+			if err.Error() != test.errorString {
+				t.Fatalf("nats.server got error '%s', expected '%s'", err.Error(), test.errorString)
+			}
+		})
+	}
+}

internal/module/test/psn-client_test.go

@@ -0,0 +1,73 @@
+package module_test
+
+import (
+	"testing"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/module"
+)
+
+func TestPSNClientFromRegistry(t *testing.T) {
+	registration, ok := module.ModuleRegistry["psn.client"]
+	if !ok {
+		t.Fatalf("psn.client module not registered")
+	}
+
+	moduleInstance, err := registration.New(config.ModuleConfig{
+		Id:   "test",
+		Type: "psn.client",
+	})
+
+	if err != nil {
+		t.Fatalf("failed to create psn.client module: %s", err)
+	}
+
+	if moduleInstance.Id() != "test" {
+		t.Fatalf("psn.client module has wrong id: %s", moduleInstance.Id())
+	}
+
+	if moduleInstance.Type() != "psn.client" {
+		t.Fatalf("psn.client module has wrong type: %s", moduleInstance.Type())
+	}
+}
+
+func TestBadPSNClient(t *testing.T) {
+	tests := []struct {
+		name        string
+		params      map[string]any
+		errorString string
+	}{}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+
+			registration, ok := module.ModuleRegistry["psn.client"]
+			if !ok {
+				t.Fatalf("psn.client module not registered")
+			}
+
+			moduleInstance, err := registration.New(config.ModuleConfig{
+				Id:     "test",
+				Type:   "psn.client",
+				Params: test.params,
+			})
+
+			if err != nil {
+				if test.errorString != err.Error() {
+					t.Fatalf("psn.client got error '%s', expected '%s'", err.Error(), test.errorString)
+				}
+				return
+			}
+
+			err = moduleInstance.Start(t.Context())
+
+			if err == nil {
+				t.Fatalf("psn.client expected to fail")
+			}
+
+			if err.Error() != test.errorString {
+				t.Fatalf("psn.client got error '%s', expected '%s'", err.Error(), test.errorString)
+			}
+		})
+	}
+}

internal/module/test/serial-client_test.go

@@ -0,0 +1,117 @@
+package module_test
+
+import (
+	"testing"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/module"
+)
+
+func TestSerialClientFromRegistry(t *testing.T) {
+	registration, ok := module.ModuleRegistry["serial.client"]
+	if !ok {
+		t.Fatalf("serial.client module not registered")
+	}
+
+	moduleInstance, err := registration.New(config.ModuleConfig{
+		Id:   "test",
+		Type: "serial.client",
+		Params: map[string]any{
+			"port":     "/dev/ttyUSB0",
+			"framing":  "LF",
+			"baudRate": 9600.0,
+		},
+	})
+
+	if err != nil {
+		t.Fatalf("failed to create serial.client module: %s", err)
+	}
+
+	if moduleInstance.Id() != "test" {
+		t.Fatalf("serial.client module has wrong id: %s", moduleInstance.Id())
+	}
+
+	if moduleInstance.Type() != "serial.client" {
+		t.Fatalf("serial.client module has wrong type: %s", moduleInstance.Type())
+	}
+}
+
+func TestBadSerialClient(t *testing.T) {
+	tests := []struct {
+		name        string
+		params      map[string]any
+		errorString string
+	}{
+		{
+			name: "no port param",
+			params: map[string]any{
+				"framing": "LF",
+			},
+			errorString: "serial.client port error: not found",
+		},
+		{
+			name: "non-string port param",
+			params: map[string]any{
+				"port":    8000,
+				"framing": "LF",
+			},
+			errorString: "serial.client port error: not a string",
+		},
+		{
+			name: "no framing param",
+			params: map[string]any{
+				"port": "/dev/ttyUSB0",
+			},
+			errorString: "serial.client framing error: not found",
+		},
+		{
+			name: "non-string framing param",
+			params: map[string]any{
+				"port":    "/dev/ttyUSB0",
+				"framing": 1,
+			},
+			errorString: "serial.client framing error: not a string",
+		},
+		{
+			name: "unkown framing method",
+			params: map[string]any{
+				"port":    "/dev/ttyUSB0",
+				"framing": "asdfasdfasdfasdflkj",
+			},
+			errorString: "serial.client unknown framing method: asdfasdfasdfasdflkj",
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+
+			registration, ok := module.ModuleRegistry["serial.client"]
+			if !ok {
+				t.Fatalf("serial.client module not registered")
+			}
+
+			moduleInstance, err := registration.New(config.ModuleConfig{
+				Id:     "test",
+				Type:   "serial.client",
+				Params: test.params,
+			})
+
+			if err != nil {
+				if test.errorString != err.Error() {
+					t.Fatalf("serial.client got error '%s', expected '%s'", err.Error(), test.errorString)
+				}
+				return
+			}
+
+			err = moduleInstance.Start(t.Context())
+
+			if err == nil {
+				t.Fatalf("serial.client expected to fail")
+			}
+
+			if err.Error() != test.errorString {
+				t.Fatalf("serial.client got error '%s', expected '%s'", err.Error(), test.errorString)
+			}
+		})
+	}
+}

internal/module/test/sip-call-server_test.go

@@ -0,0 +1,102 @@
+package module_test
+
+import (
+	"testing"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/module"
+)
+
+func TestSIPCallServerFromRegistry(t *testing.T) {
+	registration, ok := module.ModuleRegistry["sip.call.server"]
+	if !ok {
+		t.Fatalf("sip.call.server module not registered")
+	}
+
+	moduleInstance, err := registration.New(config.ModuleConfig{
+		Id:   "test",
+		Type: "sip.call.server",
+	})
+
+	if err != nil {
+		t.Fatalf("failed to create sip.call.server module: %s", err)
+	}
+
+	if moduleInstance.Id() != "test" {
+		t.Fatalf("sip.call.server module has wrong id: %s", moduleInstance.Id())
+	}
+
+	if moduleInstance.Type() != "sip.call.server" {
+		t.Fatalf("sip.call.server module has wrong type: %s", moduleInstance.Type())
+	}
+}
+
+func TestBadSIPCallServer(t *testing.T) {
+	tests := []struct {
+		name        string
+		params      map[string]any
+		errorString string
+	}{
+		{
+			name: "non-number port param",
+			params: map[string]any{
+				"port": "8000",
+			},
+			errorString: "sip.call.server port error: not a number",
+		},
+		{
+			name: "non-string ip param",
+			params: map[string]any{
+				"ip": 123,
+			},
+			errorString: "sip.call.server ip error: not a string",
+		},
+		{
+			name: "non-string transport param",
+			params: map[string]any{
+				"transport": 123,
+			},
+			errorString: "sip.call.server transport error: not a string",
+		},
+		{
+			name: "non-string userAgent param",
+			params: map[string]any{
+				"userAgent": 123,
+			},
+			errorString: "sip.call.server userAgent error: not a string",
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+
+			registration, ok := module.ModuleRegistry["sip.call.server"]
+			if !ok {
+				t.Fatalf("sip.call.server module not registered")
+			}
+
+			moduleInstance, err := registration.New(config.ModuleConfig{
+				Id:     "test",
+				Type:   "sip.call.server",
+				Params: test.params,
+			})
+
+			if err != nil {
+				if test.errorString != err.Error() {
+					t.Fatalf("sip.call.server got error '%s', expected '%s'", err.Error(), test.errorString)
+				}
+				return
+			}
+
+			err = moduleInstance.Start(t.Context())
+
+			if err == nil {
+				t.Fatalf("sip.call.server expected to fail")
+			}
+
+			if err.Error() != test.errorString {
+				t.Fatalf("sip.call.server got error '%s', expected '%s'", err.Error(), test.errorString)
+			}
+		})
+	}
+}

internal/module/test/sip-dtmf-server_test.go

@@ -0,0 +1,121 @@
+package module_test
+
+import (
+	"testing"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/module"
+)
+
+func TestSIPDTMFServerFromRegistry(t *testing.T) {
+	registration, ok := module.ModuleRegistry["sip.dtmf.server"]
+	if !ok {
+		t.Fatalf("sip.dtmf.server module not registered")
+	}
+
+	moduleInstance, err := registration.New(config.ModuleConfig{
+		Id:   "test",
+		Type: "sip.dtmf.server",
+		Params: map[string]any{
+			"separator": "#",
+		},
+	})
+
+	if err != nil {
+		t.Fatalf("failed to create sip.dtmf.server module: %s", err)
+	}
+
+	if moduleInstance.Id() != "test" {
+		t.Fatalf("sip.dtmf.server module has wrong id: %s", moduleInstance.Id())
+	}
+
+	if moduleInstance.Type() != "sip.dtmf.server" {
+		t.Fatalf("sip.dtmf.server module has wrong type: %s", moduleInstance.Type())
+	}
+}
+
+func TestBadSIPDTMFServer(t *testing.T) {
+	tests := []struct {
+		name        string
+		params      map[string]any
+		errorString string
+	}{
+		{
+			name:        "no separator param",
+			params:      map[string]any{},
+			errorString: "sip.dtmf.server separator error: not found",
+		},
+		{
+			name: "non-string separator param",
+			params: map[string]any{
+				"separator": 123,
+			},
+			errorString: "sip.dtmf.server separator error: not a string",
+		},
+		{
+			name: "non-number port param",
+			params: map[string]any{
+				"separator": "#",
+				"port":      "8000",
+			},
+			errorString: "sip.dtmf.server port error: not a number",
+		},
+		{
+			name: "non-string ip param",
+			params: map[string]any{
+				"separator": "#",
+				"ip":        123,
+			},
+			errorString: "sip.dtmf.server ip error: not a string",
+		},
+		{
+			name: "non-string transport param",
+			params: map[string]any{
+				"separator": "#",
+				"transport": 123,
+			},
+			errorString: "sip.dtmf.server transport error: not a string",
+		},
+		{
+			name: "non-string userAgent param",
+			params: map[string]any{
+				"separator": "#",
+				"userAgent": 123,
+			},
+			errorString: "sip.dtmf.server userAgent error: not a string",
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+
+			registration, ok := module.ModuleRegistry["sip.dtmf.server"]
+			if !ok {
+				t.Fatalf("sip.dtmf.server module not registered")
+			}
+
+			moduleInstance, err := registration.New(config.ModuleConfig{
+				Id:     "test",
+				Type:   "sip.dtmf.server",
+				Params: test.params,
+			})
+
+			if err != nil {
+				if test.errorString != err.Error() {
+					t.Fatalf("sip.dtmf.server got error '%s', expected '%s'", err.Error(), test.errorString)
+				}
+				return
+			}
+
+			err = moduleInstance.Start(t.Context())
+
+			if err == nil {
+				t.Fatalf("sip.dtmf.server expected to fail")
+			}
+
+			if err.Error() != test.errorString {
+				t.Fatalf("sip.dtmf.server got error '%s', expected '%s'", err.Error(), test.errorString)
+			}
+		})
+	}
+}

internal/module/test/tcp-client_test.go

@@ -0,0 +1,109 @@
+package module_test
+
+import (
+	"testing"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/module"
+)
+
+func TestTCPClientFromRegistry(t *testing.T) {
+	registration, ok := module.ModuleRegistry["net.tcp.client"]
+	if !ok {
+		t.Fatalf("net.tcp.client module not registered")
+	}
+
+	moduleInstance, err := registration.New(config.ModuleConfig{
+		Id:   "test",
+		Type: "net.tcp.client",
+		Params: map[string]any{
+			"host":    "localhost",
+			"port":    8000.0,
+			"framing": "LF",
+		},
+	})
+
+	if err != nil {
+		t.Fatalf("failed to create net.tcp.client module: %s", err)
+	}
+
+	if moduleInstance.Id() != "test" {
+		t.Fatalf("net.tcp.client module has wrong id: %s", moduleInstance.Id())
+	}
+
+	if moduleInstance.Type() != "net.tcp.client" {
+		t.Fatalf("net.tcp.client module has wrong type: %s", moduleInstance.Type())
+	}
+}
+
+func TestBadTCPClient(t *testing.T) {
+	tests := []struct {
+		name        string
+		params      map[string]any
+		errorString string
+	}{
+		{
+			name: "no port param",
+			params: map[string]any{
+				"host": "localhost",
+			},
+			errorString: "net.tcp.client port error: not found",
+		},
+		{
+			name: "non-number port param",
+			params: map[string]any{
+				"host": "localhost",
+				"port": "8000",
+			},
+			errorString: "net.tcp.client port error: not a number",
+		},
+		{
+			name: "no host param",
+			params: map[string]any{
+				"port": 8000.0,
+			},
+			errorString: "net.tcp.client host error: not found",
+		},
+		{
+			name: "non-string host param",
+			params: map[string]any{
+				"host": 123,
+				"port": 8000.0,
+			},
+			errorString: "net.tcp.client host error: not a string",
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+
+			registration, ok := module.ModuleRegistry["net.tcp.client"]
+			if !ok {
+				t.Fatalf("net.tcp.client module not registered")
+			}
+
+			moduleInstance, err := registration.New(config.ModuleConfig{
+				Id:     "test",
+				Type:   "net.tcp.client",
+				Params: test.params,
+			})
+
+			if err != nil {
+				if test.errorString != err.Error() {
+					t.Fatalf("net.tcp.client got error '%s', expected '%s'", err.Error(), test.errorString)
+				}
+				return
+			}
+
+			err = moduleInstance.Start(t.Context())
+
+			if err == nil {
+				t.Fatalf("net.tcp.client expected to fail")
+			}
+
+			if err.Error() != test.errorString {
+				t.Fatalf("net.tcp.client got error '%s', expected '%s'", err.Error(), test.errorString)
+			}
+		})
+	}
+}

internal/module/test/tcp-server_test.go

@@ -0,0 +1,134 @@
+package module_test
+
+import (
+	"testing"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/module"
+)
+
+func TestTCPServerFromRegistry(t *testing.T) {
+	registration, ok := module.ModuleRegistry["net.tcp.server"]
+	if !ok {
+		t.Fatalf("net.tcp.server module not registered")
+	}
+
+	moduleInstance, err := registration.New(config.ModuleConfig{
+		Id:   "test",
+		Type: "net.tcp.server",
+		Params: map[string]any{
+			"port":    8000.0,
+			"framing": "LF",
+		},
+	})
+
+	if err != nil {
+		t.Fatalf("failed to create net.tcp.server module: %s", err)
+	}
+
+	if moduleInstance.Id() != "test" {
+		t.Fatalf("net.tcp.server module has wrong id: %s", moduleInstance.Id())
+	}
+
+	if moduleInstance.Type() != "net.tcp.server" {
+		t.Fatalf("net.tcp.server module has wrong type: %s", moduleInstance.Type())
+	}
+}
+
+func TestBadTCPServer(t *testing.T) {
+	tests := []struct {
+		name        string
+		params      map[string]any
+		errorString string
+	}{
+		{
+			name: "no port param",
+			params: map[string]any{
+				"framing": "LF",
+			},
+			errorString: "net.tcp.server port error: not found",
+		},
+		{
+			name: "non-number port param",
+			params: map[string]any{
+				"port":    "8000",
+				"framing": "LF",
+			},
+			errorString: "net.tcp.server port error: not a number",
+		},
+		{
+			name: "no framing param",
+			params: map[string]any{
+				"port": 8000.0,
+			},
+			errorString: "net.tcp.server framing error: not found",
+		},
+		{
+			name: "non-string framing param",
+			params: map[string]any{
+				"port":    8000.0,
+				"framing": 1,
+			},
+			errorString: "net.tcp.server framing error: not a string",
+		},
+		{
+			name: "unkown framing method",
+			params: map[string]any{
+				"port":    8000.0,
+				"framing": "asdfasdfasdfasdflkj",
+			},
+			errorString: "net.tcp.server unknown framing method: asdfasdfasdfasdflkj",
+		},
+		{
+			name: "non-string ip param",
+			params: map[string]any{
+				"port":    8000.0,
+				"framing": "LF",
+				"ip":      123,
+			},
+			errorString: "net.tcp.server ip error: not a string",
+		},
+		{
+			name: "invalid addr",
+			params: map[string]any{
+				"ip":      "127.0.0.",
+				"port":    8000.0,
+				"framing": "LF",
+			},
+			errorString: "lookup 127.0.0.: no such host",
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+
+			registration, ok := module.ModuleRegistry["net.tcp.server"]
+			if !ok {
+				t.Fatalf("net.tcp.server module not registered")
+			}
+
+			moduleInstance, err := registration.New(config.ModuleConfig{
+				Id:     "test",
+				Type:   "net.tcp.server",
+				Params: test.params,
+			})
+
+			if err != nil {
+				if test.errorString != err.Error() {
+					t.Fatalf("net.tcp.server got error '%s', expected '%s'", err.Error(), test.errorString)
+				}
+				return
+			}
+
+			err = moduleInstance.Start(t.Context())
+
+			if err == nil {
+				t.Fatalf("net.tcp.server expected to fail")
+			}
+
+			if err.Error() != test.errorString {
+				t.Fatalf("net.tcp.server got error '%s', expected '%s'", err.Error(), test.errorString)
+			}
+		})
+	}
+}

internal/module/test/time-interval_test.go

@@ -0,0 +1,89 @@
+package module_test
+
+import (
+	"testing"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/module"
+)
+
+func TestTimeIntervalFromRegistry(t *testing.T) {
+	registration, ok := module.ModuleRegistry["time.interval"]
+	if !ok {
+		t.Fatalf("time.interval module not registered")
+	}
+
+	moduleInstance, err := registration.New(config.ModuleConfig{
+		Id:   "test",
+		Type: "time.interval",
+		Params: map[string]any{
+			"duration": 1000.0,
+		},
+	})
+
+	if err != nil {
+		t.Fatalf("failed to create time.interval module: %s", err)
+	}
+
+	if moduleInstance.Id() != "test" {
+		t.Fatalf("time.interval module has wrong id: %s", moduleInstance.Id())
+	}
+
+	if moduleInstance.Type() != "time.interval" {
+		t.Fatalf("time.interval module has wrong type: %s", moduleInstance.Type())
+	}
+}
+
+func TestBadTimeInterval(t *testing.T) {
+	tests := []struct {
+		name        string
+		params      map[string]any
+		errorString string
+	}{
+		{
+			name:        "no duration param",
+			params:      map[string]any{},
+			errorString: "time.interval duration error: not found",
+		},
+		{
+			name: "non-number duration param",
+			params: map[string]any{
+				"duration": "8000",
+			},
+			errorString: "time.interval duration error: not a number",
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+
+			registration, ok := module.ModuleRegistry["time.interval"]
+			if !ok {
+				t.Fatalf("time.interval module not registered")
+			}
+
+			moduleInstance, err := registration.New(config.ModuleConfig{
+				Id:     "test",
+				Type:   "time.interval",
+				Params: test.params,
+			})
+
+			if err != nil {
+				if test.errorString != err.Error() {
+					t.Fatalf("time.interval got error '%s', expected '%s'", err.Error(), test.errorString)
+				}
+				return
+			}
+
+			err = moduleInstance.Start(t.Context())
+
+			if err == nil {
+				t.Fatalf("time.interval expected to fail")
+			}
+
+			if err.Error() != test.errorString {
+				t.Fatalf("time.interval got error '%s', expected '%s'", err.Error(), test.errorString)
+			}
+		})
+	}
+}

internal/module/test/time-timer_test.go

@@ -0,0 +1,89 @@
+package module_test
+
+import (
+	"testing"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/module"
+)
+
+func TestTimeTimerFromRegistry(t *testing.T) {
+	registration, ok := module.ModuleRegistry["time.timer"]
+	if !ok {
+		t.Fatalf("time.timer module not registered")
+	}
+
+	moduleInstance, err := registration.New(config.ModuleConfig{
+		Id:   "test",
+		Type: "time.timer",
+		Params: map[string]any{
+			"duration": 1000.0,
+		},
+	})
+
+	if err != nil {
+		t.Fatalf("failed to create time.timer module: %s", err)
+	}
+
+	if moduleInstance.Id() != "test" {
+		t.Fatalf("time.timer module has wrong id: %s", moduleInstance.Id())
+	}
+
+	if moduleInstance.Type() != "time.timer" {
+		t.Fatalf("time.timer module has wrong type: %s", moduleInstance.Type())
+	}
+}
+
+func TestBadTimeTimer(t *testing.T) {
+	tests := []struct {
+		name        string
+		params      map[string]any
+		errorString string
+	}{
+		{
+			name:        "no duration param",
+			params:      map[string]any{},
+			errorString: "time.timer duration error: not found",
+		},
+		{
+			name: "non-number duration param",
+			params: map[string]any{
+				"duration": "8000",
+			},
+			errorString: "time.timer duration error: not a number",
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+
+			registration, ok := module.ModuleRegistry["time.timer"]
+			if !ok {
+				t.Fatalf("time.timer module not registered")
+			}
+
+			moduleInstance, err := registration.New(config.ModuleConfig{
+				Id:     "test",
+				Type:   "time.timer",
+				Params: test.params,
+			})
+
+			if err != nil {
+				if test.errorString != err.Error() {
+					t.Fatalf("time.timer got error '%s', expected '%s'", err.Error(), test.errorString)
+				}
+				return
+			}
+
+			err = moduleInstance.Start(t.Context())
+
+			if err == nil {
+				t.Fatalf("time.timer expected to fail")
+			}
+
+			if err.Error() != test.errorString {
+				t.Fatalf("time.timer got error '%s', expected '%s'", err.Error(), test.errorString)
+			}
+		})
+	}
+}

internal/module/test/udp-client_test.go

@@ -0,0 +1,109 @@
+package module_test
+
+import (
+	"testing"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/module"
+)
+
+func TestUDPClientFromRegistry(t *testing.T) {
+	registration, ok := module.ModuleRegistry["net.udp.client"]
+	if !ok {
+		t.Fatalf("udp.client module not registered")
+	}
+
+	moduleInstance, err := registration.New(config.ModuleConfig{
+		Id:   "test",
+		Type: "net.udp.client",
+		Params: map[string]any{
+			"host":    "localhost",
+			"port":    8000.0,
+			"framing": "LF",
+		},
+	})
+
+	if err != nil {
+		t.Fatalf("failed to create net.udp.client module: %s", err)
+	}
+
+	if moduleInstance.Id() != "test" {
+		t.Fatalf("net.udp.client module has wrong id: %s", moduleInstance.Id())
+	}
+
+	if moduleInstance.Type() != "net.udp.client" {
+		t.Fatalf("net.udp.client module has wrong type: %s", moduleInstance.Type())
+	}
+}
+
+func TestBadUDPClient(t *testing.T) {
+	tests := []struct {
+		name        string
+		params      map[string]any
+		errorString string
+	}{
+		{
+			name: "no port param",
+			params: map[string]any{
+				"host": "localhost",
+			},
+			errorString: "net.udp.client port error: not found",
+		},
+		{
+			name: "non-number port param",
+			params: map[string]any{
+				"host": "localhost",
+				"port": "8000",
+			},
+			errorString: "net.udp.client port error: not a number",
+		},
+		{
+			name: "no host param",
+			params: map[string]any{
+				"port": 8000.0,
+			},
+			errorString: "net.udp.client host error: not found",
+		},
+		{
+			name: "non-string host param",
+			params: map[string]any{
+				"host": 123,
+				"port": 8000.0,
+			},
+			errorString: "net.udp.client host error: not a string",
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+
+			registration, ok := module.ModuleRegistry["net.udp.client"]
+			if !ok {
+				t.Fatalf("net.udp.client module not registered")
+			}
+
+			moduleInstance, err := registration.New(config.ModuleConfig{
+				Id:     "test",
+				Type:   "net.udp.client",
+				Params: test.params,
+			})
+
+			if err != nil {
+				if test.errorString != err.Error() {
+					t.Fatalf("net.udp.client got error '%s', expected '%s'", err.Error(), test.errorString)
+				}
+				return
+			}
+
+			err = moduleInstance.Start(t.Context())
+
+			if err == nil {
+				t.Fatalf("net.udp.client expected to fail")
+			}
+
+			if err.Error() != test.errorString {
+				t.Fatalf("net.udp.client got error '%s', expected '%s'", err.Error(), test.errorString)
+			}
+		})
+	}
+}

internal/module/test/udp-multicast_test.go

@@ -0,0 +1,116 @@
+package module_test
+
+import (
+	"testing"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/module"
+)
+
+func TestUDPMulticastFromRegistry(t *testing.T) {
+	registration, ok := module.ModuleRegistry["net.udp.multicast"]
+	if !ok {
+		t.Fatalf("udp.multicast module not registered")
+	}
+
+	moduleInstance, err := registration.New(config.ModuleConfig{
+		Id:   "test",
+		Type: "net.udp.multicast",
+		Params: map[string]any{
+			"ip":   "236.10.10.10",
+			"port": 56565.0,
+		},
+	})
+
+	if err != nil {
+		t.Fatalf("failed to create net.udp.multicast module: %s", err)
+	}
+
+	if moduleInstance.Id() != "test" {
+		t.Fatalf("net.udp.multicast module has wrong id: %s", moduleInstance.Id())
+	}
+
+	if moduleInstance.Type() != "net.udp.multicast" {
+		t.Fatalf("net.udp.multicast module has wrong type: %s", moduleInstance.Type())
+	}
+}
+
+func TestBadUDPMulticast(t *testing.T) {
+	tests := []struct {
+		name        string
+		params      map[string]any
+		errorString string
+	}{
+		{
+			name: "no port param",
+			params: map[string]any{
+				"ip": "localhost",
+			},
+			errorString: "net.udp.multicast port error: not found",
+		},
+		{
+			name: "non-number port param",
+			params: map[string]any{
+				"ip":   "localhost",
+				"port": "8000",
+			},
+			errorString: "net.udp.multicast port error: not a number",
+		},
+		{
+			name: "no ip param",
+			params: map[string]any{
+				"port": 8000.0,
+			},
+			errorString: "net.udp.multicast ip error: not found",
+		},
+		{
+			name: "non-string ip param",
+			params: map[string]any{
+				"ip":   123,
+				"port": 8000.0,
+			},
+			errorString: "net.udp.multicast ip error: not a string",
+		},
+		{
+			name: "invalid addr",
+			params: map[string]any{
+				"ip":   "127.0.0.",
+				"port": 8000.0,
+			},
+			errorString: "lookup 127.0.0.: no such host",
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+
+			registration, ok := module.ModuleRegistry["net.udp.multicast"]
+			if !ok {
+				t.Fatalf("net.udp.multicast module not registered")
+			}
+
+			moduleInstance, err := registration.New(config.ModuleConfig{
+				Id:     "test",
+				Type:   "net.udp.multicast",
+				Params: test.params,
+			})
+
+			if err != nil {
+				if test.errorString != err.Error() {
+					t.Fatalf("net.udp.multicast got error '%s', expected '%s'", err.Error(), test.errorString)
+				}
+				return
+			}
+
+			err = moduleInstance.Start(t.Context())
+
+			if err == nil {
+				t.Fatalf("net.udp.multicast expected to fail")
+			}
+
+			if err.Error() != test.errorString {
+				t.Fatalf("net.udp.multicast got error '%s', expected '%s'", err.Error(), test.errorString)
+			}
+		})
+	}
+}

internal/module/test/udp-server_test.go

@@ -0,0 +1,113 @@
+package module_test
+
+import (
+	"testing"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/module"
+)
+
+func TestUDPServerFromRegistry(t *testing.T) {
+	registration, ok := module.ModuleRegistry["net.udp.server"]
+	if !ok {
+		t.Fatalf("net.udp.server module not registered")
+	}
+
+	moduleInstance, err := registration.New(config.ModuleConfig{
+		Id:   "test",
+		Type: "net.udp.server",
+		Params: map[string]any{
+			"port": 8000.0,
+		},
+	})
+
+	if err != nil {
+		t.Fatalf("failed to create udp.server module: %s", err)
+	}
+
+	if moduleInstance.Id() != "test" {
+		t.Fatalf("udp.server module has wrong id: %s", moduleInstance.Id())
+	}
+
+	if moduleInstance.Type() != "net.udp.server" {
+		t.Fatalf("net.udp.server module has wrong type: %s", moduleInstance.Type())
+	}
+}
+
+func TestBadUDPServer(t *testing.T) {
+	tests := []struct {
+		name        string
+		params      map[string]any
+		errorString string
+	}{
+		{
+			name:        "no port param",
+			params:      map[string]any{},
+			errorString: "net.udp.server port error: not found",
+		},
+		{
+			name: "non-number port param",
+			params: map[string]any{
+				"port": "8000",
+			},
+			errorString: "net.udp.server port error: not a number",
+		},
+		{
+			name: "non-string ip param",
+			params: map[string]any{
+				"port": 8000.0,
+				"ip":   123,
+			},
+			errorString: "net.udp.server ip error: not a string",
+		},
+		{
+			name: "non-number bufferSize param",
+			params: map[string]any{
+				"port":       8000.0,
+				"bufferSize": "1024",
+			},
+			errorString: "net.udp.server bufferSize error: not a number",
+		},
+		{
+			name: "invalid addr",
+			params: map[string]any{
+				"ip":   "127.0.0.",
+				"port": 8000.0,
+			},
+			errorString: "lookup 127.0.0.: no such host",
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+
+			registration, ok := module.ModuleRegistry["net.udp.server"]
+			if !ok {
+				t.Fatalf("net.udp.server module not registered")
+			}
+
+			moduleInstance, err := registration.New(config.ModuleConfig{
+				Id:     "test",
+				Type:   "net.udp.server",
+				Params: test.params,
+			})
+
+			if err != nil {
+				if test.errorString != err.Error() {
+					t.Fatalf("net.udp.server got error '%s', expected '%s'", err.Error(), test.errorString)
+				}
+				return
+			}
+
+			err = moduleInstance.Start(t.Context())
+
+			if err == nil {
+				t.Fatalf("net.udp.server expected to fail")
+			}
+
+			if err.Error() != test.errorString {
+				t.Fatalf("net.udp.server got error '%s', expected '%s'", err.Error(), test.errorString)
+			}
+		})
+	}
+}

internal/module/time-interval.go

@@ -3,6 +3,7 @@ package module
 import (
 	"context"
 	"errors"
+	"fmt"
 	"log/slog"
 	"time"
 
@@ -17,6 +18,7 @@ type TimeInterval struct {
 	router   route.RouteIO
 	ticker   *time.Ticker
 	logger   *slog.Logger
+	cancel   context.CancelFunc
 }
 
 func init() {
@@ -25,17 +27,11 @@ func init() {
 		New: func(config config.ModuleConfig) (Module, error) {
 			params := config.Params
 
-			duration, ok := params["duration"]
-			if !ok {
-				return nil, errors.New("time.interval requires a duration parameter")
+			durationInt, err := params.GetInt("duration")
+			if err != nil {
+				return nil, fmt.Errorf("time.interval duration error: %w", err)
 			}
-
-			durationNum, ok := duration.(float64)
-
-			if !ok {
-				return nil, errors.New("time.interval duration must be number")
-			}
-			return &TimeInterval{Duration: uint32(durationNum), config: config, logger: CreateLogger(config)}, nil
+			return &TimeInterval{Duration: uint32(durationInt), config: config, logger: CreateLogger(config)}, nil
 		},
 	})
 }
@@ -48,15 +44,17 @@ func (i *TimeInterval) Type() string {
 	return i.config.Type
 }
 
-func (i *TimeInterval) Run(ctx context.Context) error {
-
+func (i *TimeInterval) Start(ctx context.Context) error {
+	i.logger.Debug("running")
 	router, ok := ctx.Value(route.RouterContextKey).(route.RouteIO)
 
 	if !ok {
 		return errors.New("time.interval unable to get router from context")
 	}
 	i.router = router
-	i.ctx = ctx
+	moduleContext, cancel := context.WithCancel(ctx)
+	i.ctx = moduleContext
+	i.cancel = cancel
 
 	ticker := time.NewTicker(time.Millisecond * time.Duration(i.Duration))
 	i.ticker = ticker
@@ -80,3 +78,7 @@ func (i *TimeInterval) Output(ctx context.Context, payload any) error {
 	i.ticker.Reset(time.Millisecond * time.Duration(i.Duration))
 	return nil
 }
+
+func (i *TimeInterval) Stop() {
+	i.cancel()
+}

internal/module/time-timer.go

@@ -3,6 +3,7 @@ package module
 import (
 	"context"
 	"errors"
+	"fmt"
 	"log/slog"
 	"time"
 
@@ -17,6 +18,7 @@ type TimeTimer struct {
 	router   route.RouteIO
 	timer    *time.Timer
 	logger   *slog.Logger
+	cancel   context.CancelFunc
 }
 
 func init() {
@@ -25,15 +27,9 @@ func init() {
 		New: func(config config.ModuleConfig) (Module, error) {
 			params := config.Params
 
-			duration, ok := params["duration"]
-			if !ok {
-				return nil, errors.New("time.timer requires a duration parameter")
-			}
-
-			durationNum, ok := duration.(float64)
-
-			if !ok {
-				return nil, errors.New("time.timer duration must be a number")
+			durationNum, err := params.GetInt("duration")
+			if err != nil {
+				return nil, fmt.Errorf("time.timer duration error: %w", err)
 			}
 
 			return &TimeTimer{Duration: uint32(durationNum), config: config, logger: CreateLogger(config)}, nil
@@ -49,15 +45,17 @@ func (t *TimeTimer) Type() string {
 	return t.config.Type
 }
 
-func (t *TimeTimer) Run(ctx context.Context) error {
-
+func (t *TimeTimer) Start(ctx context.Context) error {
+	t.logger.Debug("running")
 	router, ok := ctx.Value(route.RouterContextKey).(route.RouteIO)
 
 	if !ok {
 		return errors.New("net.tcp.client unable to get router from context")
 	}
 	t.router = router
-	t.ctx = ctx
+	moduleContext, cancel := context.WithCancel(ctx)
+	t.ctx = moduleContext
+	t.cancel = cancel
 
 	t.timer = time.NewTimer(time.Millisecond * time.Duration(t.Duration))
 	defer t.timer.Stop()
@@ -79,3 +77,7 @@ func (t *TimeTimer) Output(ctx context.Context, payload any) error {
 	t.timer.Reset(time.Millisecond * time.Duration(t.Duration))
 	return nil
 }
+
+func (t *TimeTimer) Stop() {
+	t.cancel()
+}

internal/module/udp-client.go

@@ -19,6 +19,7 @@ type UDPClient struct {
 	ctx    context.Context
 	router route.RouteIO
 	logger *slog.Logger
+	cancel context.CancelFunc
 }
 
 func init() {
@@ -26,27 +27,14 @@ func init() {
 		Type: "net.udp.client",
 		New: func(config config.ModuleConfig) (Module, error) {
 			params := config.Params
-			host, ok := params["host"]
-
-			if !ok {
-				return nil, errors.New("net.udp.client requires a host parameter")
+			hostString, err := params.GetString("host")
+			if err != nil {
+				return nil, fmt.Errorf("net.udp.client host error: %w", err)
 			}
 
-			hostString, ok := host.(string)
-
-			if !ok {
-				return nil, errors.New("net.udp.client host must be a string")
-			}
-
-			port, ok := params["port"]
-			if !ok {
-				return nil, errors.New("net.udp.client requires a port parameter")
-			}
-
-			portNum, ok := port.(float64)
-
-			if !ok {
-				return nil, errors.New("net.udp.client port must be a number")
+			portNum, err := params.GetInt("port")
+			if err != nil {
+				return nil, fmt.Errorf("net.udp.client port error: %w", err)
 			}
 
 			addr, err := net.ResolveUDPAddr("udp", fmt.Sprintf("%s:%d", hostString, uint16(portNum)))
@@ -72,15 +60,17 @@ func (uc *UDPClient) SetupConn() error {
 	return err
 }
 
-func (uc *UDPClient) Run(ctx context.Context) error {
-
+func (uc *UDPClient) Start(ctx context.Context) error {
+	uc.logger.Debug("running")
 	router, ok := ctx.Value(route.RouterContextKey).(route.RouteIO)
 
 	if !ok {
 		return errors.New("net.udp.client unable to get router from context")
 	}
 	uc.router = router
-	uc.ctx = ctx
+	moduleContext, cancel := context.WithCancel(ctx)
+	uc.ctx = moduleContext
+	uc.cancel = cancel
 
 	err := uc.SetupConn()
 	if err != nil {
@@ -112,3 +102,7 @@ func (uc *UDPClient) Output(ctx context.Context, payload any) error {
 	}
 	return nil
 }
+
+func (uc *UDPClient) Stop() {
+	uc.cancel()
+}

internal/module/udp-multicast.go

@@ -19,41 +19,29 @@ type UDPMulticast struct {
 	router route.RouteIO
 	Addr   *net.UDPAddr
 	logger *slog.Logger
+	cancel context.CancelFunc
 }
 
 func init() {
 	RegisterModule(ModuleRegistration{
 		Type: "net.udp.multicast",
-		New: func(config config.ModuleConfig) (Module, error) {
-			params := config.Params
-			ip, ok := params["ip"]
-
-			if !ok {
-				return nil, errors.New("net.udp.multicast requires an ip parameter")
+		New: func(moduleConfig config.ModuleConfig) (Module, error) {
+			params := moduleConfig.Params
+			ipString, err := params.GetString("ip")
+			if err != nil {
+				return nil, fmt.Errorf("net.udp.multicast ip error: %w", err)
 			}
 
-			ipString, ok := ip.(string)
-
-			if !ok {
-				return nil, errors.New("net.udp.multicast ip must be a string")
-			}
-
-			port, ok := params["port"]
-			if !ok {
-				return nil, errors.New("net.udp.multicast requires a port parameter")
-			}
-
-			portNum, ok := port.(float64)
-
-			if !ok {
-				return nil, errors.New("net.udp.multicast port must be a number")
+			portNum, err := params.GetInt("port")
+			if err != nil {
+				return nil, fmt.Errorf("net.udp.multicast port error: %w", err)
 			}
 
 			addr, err := net.ResolveUDPAddr("udp", fmt.Sprintf("%s:%d", ipString, uint16(portNum)))
 			if err != nil {
 				return nil, err
 			}
-			return &UDPMulticast{config: config, Addr: addr, logger: CreateLogger(config)}, nil
+			return &UDPMulticast{config: moduleConfig, Addr: addr, logger: CreateLogger(moduleConfig)}, nil
 		},
 	})
 }
@@ -66,15 +54,17 @@ func (um *UDPMulticast) Type() string {
 	return um.config.Type
 }
 
-func (um *UDPMulticast) Run(ctx context.Context) error {
-
+func (um *UDPMulticast) Start(ctx context.Context) error {
+	um.logger.Debug("running")
 	router, ok := ctx.Value(route.RouterContextKey).(route.RouteIO)
 
 	if !ok {
 		return errors.New("net.udp.multicast unable to get router from context")
 	}
 	um.router = router
-	um.ctx = ctx
+	moduleContext, cancel := context.WithCancel(ctx)
+	um.ctx = moduleContext
+	um.cancel = cancel
 
 	client, err := net.ListenMulticastUDP("udp", nil, um.Addr)
 	if err != nil {
@@ -130,3 +120,7 @@ func (um *UDPMulticast) Output(ctx context.Context, payload any) error {
 	_, err := um.conn.Write(payloadBytes)
 	return err
 }
+
+func (um *UDPMulticast) Stop() {
+	um.cancel()
+}

internal/module/udp-server.go

@@ -4,7 +4,6 @@ import (
 	"context"
 	"errors"
 	"fmt"
-	"log"
 	"log/slog"
 	"net"
 	"time"
@@ -20,54 +19,42 @@ type UDPServer struct {
 	ctx        context.Context
 	router     route.RouteIO
 	logger     *slog.Logger
+	cancel     context.CancelFunc
 }
 
 func init() {
 	RegisterModule(ModuleRegistration{
 		Type: "net.udp.server",
-		New: func(config config.ModuleConfig) (Module, error) {
-			params := config.Params
-			port, ok := params["port"]
-			if !ok {
-				return nil, errors.New("net.udp.server requires a port parameter")
+		New: func(moduleConfig config.ModuleConfig) (Module, error) {
+			params := moduleConfig.Params
+			portNum, err := params.GetInt("port")
+			if err != nil {
+				return nil, fmt.Errorf("net.udp.server port error: %w", err)
 			}
 
-			portNum, ok := port.(float64)
-
-			if !ok {
-				return nil, errors.New("net.udp.server port must be a number")
-			}
-
-			ipString := "0.0.0.0"
-
-			ip, ok := params["ip"]
-			if ok {
-
-				specificIpString, ok := ip.(string)
-
-				if !ok {
-					return nil, errors.New("net.udp.server ip must be a string")
+			ipString, err := params.GetString("ip")
+			if err != nil {
+				if errors.Is(err, config.ErrParamNotFound) {
+					ipString = "0.0.0.0"
+				} else {
+					return nil, fmt.Errorf("net.udp.server ip error: %w", err)
 				}
-				ipString = specificIpString
 			}
 
 			addr, err := net.ResolveUDPAddr("udp", fmt.Sprintf("%s:%d", ipString, uint16(portNum)))
 			if err != nil {
-				log.Fatalf("error resolving UDP address: %v", err)
+				return nil, err
 			}
 
-			bufferSizeNum := 2048
-			bufferSize, ok := params["bufferSize"]
-
-			if ok {
-				bufferSizeFloat, ok := bufferSize.(float64)
-
-				if !ok {
-					return nil, errors.New("net.udp.server bufferSize must be a number")
+			bufferSizeNum, err := params.GetInt("bufferSize")
+			if err != nil {
+				if errors.Is(err, config.ErrParamNotFound) {
+					bufferSizeNum = 2048
+				} else {
+					return nil, fmt.Errorf("net.udp.server bufferSize error: %w", err)
 				}
-				bufferSizeNum = int(bufferSizeFloat)
 			}
-			return &UDPServer{Addr: addr, BufferSize: bufferSizeNum, config: config, logger: CreateLogger(config)}, nil
+			return &UDPServer{Addr: addr, BufferSize: bufferSizeNum, config: moduleConfig, logger: CreateLogger(moduleConfig)}, nil
 		},
 	})
 }
@@ -77,18 +64,20 @@ func (us *UDPServer) Id() string {
 }
 
 func (us *UDPServer) Type() string {
-	return us.config.Id
+	return us.config.Type
 }
 
-func (us *UDPServer) Run(ctx context.Context) error {
-
+func (us *UDPServer) Start(ctx context.Context) error {
+	us.logger.Debug("running")
 	router, ok := ctx.Value(route.RouterContextKey).(route.RouteIO)
 
 	if !ok {
 		return errors.New("net.udp.server unable to get router from context")
 	}
 	us.router = router
-	us.ctx = ctx
+	moduleContext, cancel := context.WithCancel(ctx)
+	us.ctx = moduleContext
+	us.cancel = cancel
 
 	listener, err := net.ListenUDP("udp", us.Addr)
 	if err != nil {
@@ -129,3 +118,7 @@ func (us *UDPServer) Run(ctx context.Context) error {
 func (us *UDPServer) Output(ctx context.Context, payload any) error {
 	return errors.New("net.udp.server output is not implemented")
 }
+
+func (us *UDPServer) Stop() {
+	us.cancel()
+}

internal/processor/artnet-packet-filter.go

@@ -37,13 +37,9 @@ func init() {
 		New: func(config config.ProcessorConfig) (Processor, error) {
 			params := config.Params
 
-			opCode, ok := params["opCode"]
-			if !ok {
-				return nil, fmt.Errorf("artnet.packet.filter requires an opCode parameter")
-			}
-			opCodeNum, ok := opCode.(float64)
-			if !ok {
-				return nil, fmt.Errorf("artnet.packet.filter opCode must be a number")
+			opCodeNum, err := params.GetInt("opCode")
+			if err != nil {
+				return nil, fmt.Errorf("artnet.packet.filter opCode error: %w", err)
 			}
 
 			return &ArtNetPacketFilter{config: config, OpCode: uint16(opCodeNum)}, nil

internal/processor/float-parse.go

@@ -3,6 +3,7 @@ package processor
 import (
 	"context"
 	"errors"
+	"fmt"
 	"strconv"
 
 	"github.com/jwetzell/showbridge-go/internal/config"
@@ -34,20 +35,18 @@ func (fp *FloatParse) Type() string {
 func init() {
 	RegisterProcessor(ProcessorRegistration{
 		Type: "float.parse",
-		New: func(config config.ProcessorConfig) (Processor, error) {
-			params := config.Params
-			bitSizeNum := 64
-			bitSize, ok := params["bitSize"]
-			if ok {
-				bitSizeFloat, ok := bitSize.(float64)
+		New: func(moduleConfig config.ProcessorConfig) (Processor, error) {
+			params := moduleConfig.Params
 
-				if !ok {
-					return nil, errors.New("float.parse bitSize must be a number")
+			bitSizeNum, err := params.GetInt("bitSize")
+			if err != nil {
+				if errors.Is(err, config.ErrParamNotFound) {
+					bitSizeNum = 64
+				} else {
+					return nil, fmt.Errorf("float.parse bitSize error: %w", err)
 				}
-
-				bitSizeNum = int(bitSizeFloat)
 			}
-			return &FloatParse{config: config, BitSize: bitSizeNum}, nil
+			return &FloatParse{config: moduleConfig, BitSize: bitSizeNum}, nil
 		},
 	})
 }

internal/processor/free-d-create.go

@@ -3,7 +3,7 @@ package processor
 import (
 	"bytes"
 	"context"
-	"errors"
+	"fmt"
 	"strconv"
 	"text/template"
 
@@ -187,16 +187,9 @@ func init() {
 
 			// TODO(jwetzell): make some params optional
 			params := config.Params
-			id, ok := params["id"]
-
-			if !ok {
-				return nil, errors.New("freed.create requires an id parameter")
-			}
-
-			idString, ok := id.(string)
-
-			if !ok {
-				return nil, errors.New("freed.create id must be a string")
+			idString, err := params.GetString("id")
+			if err != nil {
+				return nil, fmt.Errorf("freed.create id error: %w", err)
 			}
 
 			idTemplate, err := template.New("id").Parse(idString)
@@ -205,44 +198,23 @@ func init() {
 				return nil, err
 			}
 
-			pan, ok := params["pan"]
-
-			if !ok {
-				return nil, errors.New("freed.create requires a pan parameter")
-			}
-
-			panString, ok := pan.(string)
-
-			if !ok {
-				return nil, errors.New("freed.create pan must be a string")
+			panString, err := params.GetString("pan")
+			if err != nil {
+				return nil, fmt.Errorf("freed.create pan error: %w", err)
 			}
 
 			panTemplate, err := template.New("pan").Parse(panString)
 
-			tilt, ok := params["tilt"]
-
-			if !ok {
-				return nil, errors.New("freed.create requires a tilt parameter")
-			}
-
-			tiltString, ok := tilt.(string)
-
-			if !ok {
-				return nil, errors.New("freed.create tilt must be a string")
+			tiltString, err := params.GetString("tilt")
+			if err != nil {
+				return nil, fmt.Errorf("freed.create tilt error: %w", err)
 			}
 
 			tiltTemplate, err := template.New("tilt").Parse(tiltString)
 
-			roll, ok := params["roll"]
-
-			if !ok {
-				return nil, errors.New("freed.create requires a roll parameter")
-			}
-
-			rollString, ok := roll.(string)
-
-			if !ok {
-				return nil, errors.New("freed.create roll must be a string")
+			rollString, err := params.GetString("roll")
+			if err != nil {
+				return nil, fmt.Errorf("freed.create roll error: %w", err)
 			}
 
 			rollTemplate, err := template.New("roll").Parse(rollString)
@@ -251,16 +223,9 @@ func init() {
 				return nil, err
 			}
 
-			posX, ok := params["posX"]
-
-			if !ok {
-				return nil, errors.New("freed.create requires a posX parameter")
-			}
-
-			posXString, ok := posX.(string)
-
-			if !ok {
-				return nil, errors.New("freed.create posX must be a string")
+			posXString, err := params.GetString("posX")
+			if err != nil {
+				return nil, fmt.Errorf("freed.create posX error: %w", err)
 			}
 
 			posXTemplate, err := template.New("posX").Parse(posXString)
@@ -269,16 +234,9 @@ func init() {
 				return nil, err
 			}
 
-			posY, ok := params["posY"]
-
-			if !ok {
-				return nil, errors.New("freed.create requires a posY parameter")
-			}
-
-			posYString, ok := posY.(string)
-
-			if !ok {
-				return nil, errors.New("freed.create posY must be a string")
+			posYString, err := params.GetString("posY")
+			if err != nil {
+				return nil, fmt.Errorf("freed.create posY error: %w", err)
 			}
 
 			posYTemplate, err := template.New("posY").Parse(posYString)
@@ -287,16 +245,9 @@ func init() {
 				return nil, err
 			}
 
-			posZ, ok := params["posZ"]
-
-			if !ok {
-				return nil, errors.New("freed.create requires a posZ parameter")
-			}
-
-			posZString, ok := posZ.(string)
-
-			if !ok {
-				return nil, errors.New("freed.create posZ must be a string")
+			posZString, err := params.GetString("posZ")
+			if err != nil {
+				return nil, fmt.Errorf("freed.create posZ error: %w", err)
 			}
 
 			posZTemplate, err := template.New("posZ").Parse(posZString)
@@ -305,30 +256,16 @@ func init() {
 				return nil, err
 			}
 
-			zoom, ok := params["zoom"]
-
-			if !ok {
-				return nil, errors.New("freed.create requires a zoom parameter")
-			}
-
-			zoomString, ok := zoom.(string)
-
-			if !ok {
-				return nil, errors.New("freed.create zoom must be a string")
+			zoomString, err := params.GetString("zoom")
+			if err != nil {
+				return nil, fmt.Errorf("freed.create zoom error: %w", err)
 			}
 
 			zoomTemplate, err := template.New("zoom").Parse(zoomString)
 
-			focus, ok := params["focus"]
-
-			if !ok {
-				return nil, errors.New("freed.create requires a focus parameter")
-			}
-
-			focusString, ok := focus.(string)
-
-			if !ok {
-				return nil, errors.New("freed.create focus must be a string")
+			focusString, err := params.GetString("focus")
+			if err != nil {
+				return nil, fmt.Errorf("freed.create focus error: %w", err)
 			}
 
 			focusTemplate, err := template.New("focus").Parse(focusString)

internal/processor/http-request-create.go

@@ -3,7 +3,7 @@ package processor
 import (
 	"bytes"
 	"context"
-	"errors"
+	"fmt"
 	"net/http"
 	"text/template"
 
@@ -47,28 +47,14 @@ func init() {
 		New: func(config config.ProcessorConfig) (Processor, error) {
 			params := config.Params
 
-			method, ok := params["method"]
-
-			if !ok {
-				return nil, errors.New("http.request.create requires a method parameter")
+			methodString, err := params.GetString("method")
+			if err != nil {
+				return nil, fmt.Errorf("http.request.create method error: %w", err)
 			}
 
-			methodString, ok := method.(string)
-
-			if !ok {
-				return nil, errors.New("http.request.create url must be a string")
-			}
-
-			url, ok := params["url"]
-
-			if !ok {
-				return nil, errors.New("http.request.create requires a url parameter")
-			}
-
-			urlString, ok := url.(string)
-
-			if !ok {
-				return nil, errors.New("http.request.create url must be a string")
+			urlString, err := params.GetString("url")
+			if err != nil {
+				return nil, fmt.Errorf("http.request.create url error: %w", err)
 			}
 
 			urlTemplate, err := template.New("url").Parse(urlString)

internal/processor/http-request-filter.go

@@ -44,18 +44,11 @@ func (hrf *HTTPRequestFilter) Type() string {
 func init() {
 	RegisterProcessor(ProcessorRegistration{
 		Type: "http.request.filter",
-		New: func(config config.ProcessorConfig) (Processor, error) {
-			params := config.Params
-			path, ok := params["path"]
-
-			if !ok {
-				return nil, errors.New("http.request.filter requires a path parameter")
-			}
-
-			pathString, ok := path.(string)
-
-			if !ok {
-				return nil, errors.New("http.request.filter path must be a string")
+		New: func(moduleConfig config.ProcessorConfig) (Processor, error) {
+			params := moduleConfig.Params
+			pathString, err := params.GetString("path")
+			if err != nil {
+				return nil, fmt.Errorf("http.request.filter path error: %w", err)
 			}
 
 			pathRegexp, err := regexp.Compile(fmt.Sprintf("^%s$", pathString))
@@ -64,18 +57,17 @@ func init() {
 				return nil, err
 			}
 
-			method, ok := params["method"]
-
-			if ok {
-				methodString, ok := method.(string)
-
-				if !ok {
-					return nil, errors.New("http.request.filter method must be a string")
+			methodString, err := params.GetString("method")
+			if err != nil {
+				if errors.Is(err, config.ErrParamNotFound) {
+					return &HTTPRequestFilter{config: moduleConfig, Path: pathRegexp}, nil
+				} else {
+					return nil, fmt.Errorf("http.request.filter method error: %w", err)
 				}
-				return &HTTPRequestFilter{config: config, Path: pathRegexp, Method: methodString}, nil
 			}
 
-			return &HTTPRequestFilter{config: config, Path: pathRegexp}, nil
+			return &HTTPRequestFilter{config: moduleConfig, Path: pathRegexp, Method: methodString}, nil
+
 		},
 	})
 }

internal/processor/http-response-create.go

@@ -3,7 +3,7 @@ package processor
 import (
 	"bytes"
 	"context"
-	"errors"
+	"fmt"
 	"text/template"
 
 	"github.com/jwetzell/showbridge-go/internal/config"
@@ -44,28 +44,14 @@ func init() {
 		New: func(config config.ProcessorConfig) (Processor, error) {
 			params := config.Params
 
-			status, ok := params["status"]
-
-			if !ok {
-				return nil, errors.New("http.response.create requires a status parameter")
+			statusNum, err := params.GetInt("status")
+			if err != nil {
+				return nil, fmt.Errorf("http.response.create status error: %w", err)
 			}
 
-			statusNum, ok := status.(float64)
-
-			if !ok {
-				return nil, errors.New("http.response.create status must be a number")
-			}
-
-			bodyTmpl, ok := params["bodyTemplate"]
-
-			if !ok {
-				return nil, errors.New("http.response.create requires a bodyTemplate parameter")
-			}
-
-			bodyTemplateString, ok := bodyTmpl.(string)
-
-			if !ok {
-				return nil, errors.New("http.response.create bodyTemplate must be a string")
+			bodyTemplateString, err := params.GetString("bodyTemplate")
+			if err != nil {
+				return nil, fmt.Errorf("http.response.create bodyTemplate error: %w", err)
 			}
 
 			bodyTemplate, err := template.New("body").Parse(bodyTemplateString)

internal/processor/int-parse.go

@@ -3,6 +3,7 @@ package processor
 import (
 	"context"
 	"errors"
+	"fmt"
 	"strconv"
 
 	"github.com/jwetzell/showbridge-go/internal/config"
@@ -35,33 +36,27 @@ func (ip *IntParse) Type() string {
 func init() {
 	RegisterProcessor(ProcessorRegistration{
 		Type: "int.parse",
-		New: func(config config.ProcessorConfig) (Processor, error) {
-			params := config.Params
+		New: func(moduleConfig config.ProcessorConfig) (Processor, error) {
+			params := moduleConfig.Params
 
-			baseNum := 10
-			base, ok := params["base"]
-			if ok {
-				baseFloat, ok := base.(float64)
-
-				if !ok {
-					return nil, errors.New("int.parse base must be a number")
+			baseNum, err := params.GetInt("base")
+			if err != nil {
+				if errors.Is(err, config.ErrParamNotFound) {
+					baseNum = 10
+				} else {
+					return nil, fmt.Errorf("int.parse base error: %w", err)
 				}
-
-				baseNum = int(baseFloat)
 			}
 
-			bitSizeNum := 64
-			bitSize, ok := params["bitSize"]
-			if ok {
-				bitSizeFloat, ok := bitSize.(float64)
-
-				if !ok {
-					return nil, errors.New("int.parse bitSize must be a number")
+			bitSizeNum, err := params.GetInt("bitSize")
+			if err != nil {
+				if errors.Is(err, config.ErrParamNotFound) {
+					bitSizeNum = 64
+				} else {
+					return nil, fmt.Errorf("int.parse bitSize error: %w", err)
 				}
-
-				bitSizeNum = int(bitSizeFloat)
 			}
-			return &IntParse{config: config, Base: baseNum, BitSize: bitSizeNum}, nil
+			return &IntParse{config: moduleConfig, Base: baseNum, BitSize: bitSizeNum}, nil
 		},
 	})
 }

internal/processor/int-random.go

@@ -3,6 +3,7 @@ package processor
 import (
 	"context"
 	"errors"
+	"fmt"
 	"math/rand/v2"
 
 	"github.com/jwetzell/showbridge-go/internal/config"
@@ -29,33 +30,21 @@ func init() {
 		New: func(config config.ProcessorConfig) (Processor, error) {
 			params := config.Params
 
-			min, ok := params["min"]
-			if !ok {
-				return nil, errors.New("int.random requires a min parameter")
+			minInt, err := params.GetInt("min")
+			if err != nil {
+				return nil, fmt.Errorf("int.random min error: %w", err)
 			}
 
-			minFloat, ok := min.(float64)
-
-			if !ok {
-				return nil, errors.New("int.random min must be a number")
+			maxInt, err := params.GetInt("max")
+			if err != nil {
+				return nil, fmt.Errorf("int.random max error: %w", err)
 			}
 
-			max, ok := params["max"]
-			if !ok {
-				return nil, errors.New("int.random requires a max parameter")
-			}
-
-			maxFloat, ok := max.(float64)
-
-			if !ok {
-				return nil, errors.New("int.random max must be a number")
-			}
-
-			if maxFloat < minFloat {
+			if maxInt < minInt {
 				return nil, errors.New("int.random max must be greater than min")
 			}
 
-			return &IntRandom{config: config, Min: int(minFloat), Max: int(maxFloat)}, nil
+			return &IntRandom{config: config, Min: int(minInt), Max: int(maxInt)}, nil
 		},
 	})
 }

internal/processor/json-decode.go

@@ -0,0 +1,44 @@
+package processor
+
+import (
+	"context"
+	"encoding/json"
+	"errors"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+)
+
+type JsonDecode struct {
+	config config.ProcessorConfig
+}
+
+func (jd *JsonDecode) Process(ctx context.Context, payload any) (any, error) {
+	payloadString, ok := payload.(string)
+
+	if !ok {
+		return nil, errors.New("json.decode processor only accepts a string")
+	}
+
+	payloadJson := make(map[string]any)
+
+	err := json.Unmarshal([]byte(payloadString), &payloadJson)
+	if err != nil {
+		return nil, err
+	}
+
+	return payloadJson, nil
+
+}
+
+func (jd *JsonDecode) Type() string {
+	return jd.config.Type
+}
+
+func init() {
+	RegisterProcessor(ProcessorRegistration{
+		Type: "json.decode",
+		New: func(config config.ProcessorConfig) (Processor, error) {
+			return &JsonDecode{config: config}, nil
+		},
+	})
+}

internal/processor/json-encode_test.go

@@ -1,45 +0,0 @@
-package processor_test
-
-import (
-	"slices"
-	"testing"
-
-	"github.com/jwetzell/osc-go"
-	"github.com/jwetzell/showbridge-go/internal/processor"
-)
-
-func TestGoodJsonEncode(t *testing.T) {
-	stringEncoder := processor.JsonEncode{}
-	tests := []struct {
-		processor processor.Processor
-		name      string
-		payload   any
-		expected  []byte
-	}{
-		{
-			processor: &stringEncoder,
-			name:      "hello",
-			payload: osc.OSCMessage{
-				Address: "/hello",
-			},
-			expected: []byte("{\"address\":\"/hello\",\"args\":null}"),
-		},
-	}
-
-	for _, test := range tests {
-		t.Run(test.name, func(t *testing.T) {
-			got, err := test.processor.Process(t.Context(), test.payload)
-
-			gotBytes, ok := got.([]byte)
-			if !ok {
-				t.Fatalf("json.encode returned a %T payload: %s", got, got)
-			}
-			if err != nil {
-				t.Fatalf("json.encode failed: %s", err)
-			}
-			if !slices.Equal(gotBytes, test.expected) {
-				t.Fatalf("json.encode got %x, expected %s", got, test.expected)
-			}
-		})
-	}
-}

internal/processor/midi-message-create.go

@@ -5,7 +5,6 @@ package processor
 import (
 	"bytes"
 	"context"
-	"errors"
 	"fmt"
 	"strconv"
 	"text/template"
@@ -32,16 +31,9 @@ func newMidiNoteOnCreate(config config.ProcessorConfig) (Processor, error) {
 
 	params := config.Params
 
-	channel, ok := params["channel"]
-
-	if !ok {
-		return nil, errors.New("midi.message.create NoteOn requires a channel parameter")
-	}
-
-	channelString, ok := channel.(string)
-
-	if !ok {
-		return nil, errors.New("midi.message.create NoteOn channel must be a string")
+	channelString, err := params.GetString("channel")
+	if err != nil {
+		return nil, fmt.Errorf("midi.message.create channel error: %w", err)
 	}
 
 	channelTemplate, err := template.New("channel").Parse(channelString)
@@ -50,16 +42,9 @@ func newMidiNoteOnCreate(config config.ProcessorConfig) (Processor, error) {
 		return nil, err
 	}
 
-	note, ok := params["note"]
-
-	if !ok {
-		return nil, errors.New("midi.message.create NoteOn requires a note parameter")
-	}
-
-	noteString, ok := note.(string)
-
-	if !ok {
-		return nil, errors.New("midi.message.create NoteOn note must be a string")
+	noteString, err := params.GetString("note")
+	if err != nil {
+		return nil, fmt.Errorf("midi.message.create note error: %w", err)
 	}
 
 	noteTemplate, err := template.New("note").Parse(noteString)
@@ -68,16 +53,9 @@ func newMidiNoteOnCreate(config config.ProcessorConfig) (Processor, error) {
 		return nil, err
 	}
 
-	velocity, ok := params["velocity"]
-
-	if !ok {
-		return nil, errors.New("midi.message.create NoteOn requires a velocity parameter")
-	}
-
-	velocityString, ok := velocity.(string)
-
-	if !ok {
-		return nil, errors.New("midi.message.create NoteOn velocity must be a string")
+	velocityString, err := params.GetString("velocity")
+	if err != nil {
+		return nil, fmt.Errorf("midi.message.create velocity error: %w", err)
 	}
 
 	velocityTemplate, err := template.New("velocity").Parse(velocityString)
@@ -123,16 +101,9 @@ func newMidiNoteOffCreate(config config.ProcessorConfig) (Processor, error) {
 
 	params := config.Params
 
-	channel, ok := params["channel"]
-
-	if !ok {
-		return nil, errors.New("midi.message.create NoteOn requires a channel parameter")
-	}
-
-	channelString, ok := channel.(string)
-
-	if !ok {
-		return nil, errors.New("midi.message.create NoteOn channel must be a string")
+	channelString, err := params.GetString("channel")
+	if err != nil {
+		return nil, fmt.Errorf("midi.message.create channel error: %w", err)
 	}
 
 	channelTemplate, err := template.New("channel").Parse(channelString)
@@ -141,16 +112,9 @@ func newMidiNoteOffCreate(config config.ProcessorConfig) (Processor, error) {
 		return nil, err
 	}
 
-	note, ok := params["note"]
-
-	if !ok {
-		return nil, errors.New("midi.message.create NoteOn requires a note parameter")
-	}
-
-	noteString, ok := note.(string)
-
-	if !ok {
-		return nil, errors.New("midi.message.create NoteOn note must be a string")
+	noteString, err := params.GetString("note")
+	if err != nil {
+		return nil, fmt.Errorf("midi.message.create note error: %w", err)
 	}
 
 	noteTemplate, err := template.New("note").Parse(noteString)
@@ -159,6 +123,17 @@ func newMidiNoteOffCreate(config config.ProcessorConfig) (Processor, error) {
 		return nil, err
 	}
 
+	velocityString, err := params.GetString("velocity")
+	if err != nil {
+		return nil, fmt.Errorf("midi.message.create velocity error: %w", err)
+	}
+
+	velocityTemplate, err := template.New("velocity").Parse(velocityString)
+
+	if err != nil {
+		return nil, err
+	}
+
 	return &MIDIMessageCreate{config: config, ProcessFunc: func(ctx context.Context, payload any) (any, error) {
 
 		var channelBuffer bytes.Buffer
@@ -179,7 +154,16 @@ func newMidiNoteOffCreate(config config.ProcessorConfig) (Processor, error) {
 
 		noteValue, err := strconv.ParseUint(noteBuffer.String(), 10, 8)
 
-		payloadMessage := midi.NoteOff(uint8(channelValue), uint8(noteValue))
+		var velocityBuffer bytes.Buffer
+		err = velocityTemplate.Execute(&velocityBuffer, payload)
+
+		if err != nil {
+			return nil, err
+		}
+
+		velocityValue, err := strconv.ParseUint(velocityBuffer.String(), 10, 8)
+
+		payloadMessage := midi.NoteOffVelocity(uint8(channelValue), uint8(noteValue), uint8(velocityValue))
 		return payloadMessage, nil
 	}}, nil
 }
@@ -188,16 +172,9 @@ func newMidiControlChangeCreate(config config.ProcessorConfig) (Processor, error
 
 	params := config.Params
 
-	channel, ok := params["channel"]
-
-	if !ok {
-		return nil, errors.New("midi.message.create ControlChange requires a channel parameter")
-	}
-
-	channelString, ok := channel.(string)
-
-	if !ok {
-		return nil, errors.New("midi.message.create ControlChange channel must be a string")
+	channelString, err := params.GetString("channel")
+	if err != nil {
+		return nil, fmt.Errorf("midi.message.create channel error: %w", err)
 	}
 
 	channelTemplate, err := template.New("channel").Parse(channelString)
@@ -206,34 +183,20 @@ func newMidiControlChangeCreate(config config.ProcessorConfig) (Processor, error
 		return nil, err
 	}
 
-	controller, ok := params["controller"]
-
-	if !ok {
-		return nil, errors.New("midi.message.create ControlChange requires a controller parameter")
+	controlString, err := params.GetString("control")
+	if err != nil {
+		return nil, fmt.Errorf("midi.message.create control error: %w", err)
 	}
 
-	controllerString, ok := controller.(string)
-
-	if !ok {
-		return nil, errors.New("midi.message.create ControlChange controller must be a string")
-	}
-
-	controllerTemplate, err := template.New("controller").Parse(controllerString)
+	controlTemplate, err := template.New("control").Parse(controlString)
 
 	if err != nil {
 		return nil, err
 	}
 
-	value, ok := params["value"]
-
-	if !ok {
-		return nil, errors.New("midi.message.create ControlChange requires a value parameter")
-	}
-
-	valueString, ok := value.(string)
-
-	if !ok {
-		return nil, errors.New("midi.message.create ControlChange value must be a string")
+	valueString, err := params.GetString("value")
+	if err != nil {
+		return nil, fmt.Errorf("midi.message.create value error: %w", err)
 	}
 
 	valueTemplate, err := template.New("value").Parse(valueString)
@@ -253,14 +216,14 @@ func newMidiControlChangeCreate(config config.ProcessorConfig) (Processor, error
 
 		channelValue, err := strconv.ParseUint(channelBuffer.String(), 10, 8)
 
-		var controllerBuffer bytes.Buffer
-		err = controllerTemplate.Execute(&controllerBuffer, payload)
+		var controlBuffer bytes.Buffer
+		err = controlTemplate.Execute(&controlBuffer, payload)
 
 		if err != nil {
 			return nil, err
 		}
 
-		controllerValue, err := strconv.ParseUint(controllerBuffer.String(), 10, 8)
+		controlValue, err := strconv.ParseUint(controlBuffer.String(), 10, 8)
 
 		var valueBuffer bytes.Buffer
 		err = valueTemplate.Execute(&valueBuffer, payload)
@@ -271,7 +234,7 @@ func newMidiControlChangeCreate(config config.ProcessorConfig) (Processor, error
 
 		valueValue, err := strconv.ParseUint(valueBuffer.String(), 10, 8)
 
-		payloadMessage := midi.ControlChange(uint8(channelValue), uint8(controllerValue), uint8(valueValue))
+		payloadMessage := midi.ControlChange(uint8(channelValue), uint8(controlValue), uint8(valueValue))
 		return payloadMessage, nil
 	}}, nil
 }
@@ -280,16 +243,9 @@ func newMidiProgramChangeCreate(config config.ProcessorConfig) (Processor, error
 
 	params := config.Params
 
-	channel, ok := params["channel"]
-
-	if !ok {
-		return nil, errors.New("midi.message.create ProgramChange requires a channel parameter")
-	}
-
-	channelString, ok := channel.(string)
-
-	if !ok {
-		return nil, errors.New("midi.message.create ProgramChange channel must be a string")
+	channelString, err := params.GetString("channel")
+	if err != nil {
+		return nil, fmt.Errorf("midi.message.create channel error: %w", err)
 	}
 
 	channelTemplate, err := template.New("channel").Parse(channelString)
@@ -298,16 +254,9 @@ func newMidiProgramChangeCreate(config config.ProcessorConfig) (Processor, error
 		return nil, err
 	}
 
-	program, ok := params["program"]
-
-	if !ok {
-		return nil, errors.New("midi.message.create ProgramChange requires a program parameter")
-	}
-
-	programString, ok := program.(string)
-
-	if !ok {
-		return nil, errors.New("midi.message.create ProgramChange program must be a string")
+	programString, err := params.GetString("program")
+	if err != nil {
+		return nil, fmt.Errorf("midi.message.create program error: %w", err)
 	}
 
 	programTemplate, err := template.New("program").Parse(programString)
@@ -347,16 +296,9 @@ func init() {
 		New: func(config config.ProcessorConfig) (Processor, error) {
 			params := config.Params
 
-			msgType, ok := params["type"]
-
-			if !ok {
-				return nil, errors.New("midi.message.create requires a type parameter")
-			}
-
-			msgTypeString, ok := msgType.(string)
-
-			if !ok {
-				return nil, errors.New("midi.message.create type parameter must be a string")
+			msgTypeString, err := params.GetString("type")
+			if err != nil {
+				return nil, fmt.Errorf("midi.message.create type error: %w", err)
 			}
 
 			switch msgTypeString {

internal/processor/midi-message-encode.go

@@ -18,7 +18,7 @@ func (mme *MIDIMessageEncode) Process(ctx context.Context, payload any) (any, er
 	payloadMessage, ok := payload.(midi.Message)
 
 	if !ok {
-		return nil, errors.New("midi.message.encode processor only accepts an midi.Message")
+		return nil, errors.New("midi.message.encode processor only accepts a midi.Message")
 	}
 
 	return payloadMessage.Bytes(), nil

internal/processor/midi-message-filter.go

@@ -5,6 +5,7 @@ package processor
 import (
 	"context"
 	"errors"
+	"fmt"
 
 	"github.com/jwetzell/showbridge-go/internal/config"
 	"gitlab.com/gomidi/midi/v2"
@@ -19,7 +20,7 @@ func (mmf *MIDIMessageFilter) Process(ctx context.Context, payload any) (any, er
 	payloadMessage, ok := payload.(midi.Message)
 
 	if !ok {
-		return nil, errors.New("midi.message.filter processor only accepts an midi.Message")
+		return nil, errors.New("midi.message.filter processor only accepts a midi.Message")
 	}
 
 	if payloadMessage.Type().String() != mmf.MIDIType {
@@ -38,18 +39,12 @@ func init() {
 		Type: "midi.message.filter",
 		New: func(config config.ProcessorConfig) (Processor, error) {
 			params := config.Params
-			midiType, ok := params["type"]
-
-			if !ok {
-				return nil, errors.New("midi.message.filter requires a type parameter")
-			}
-			midiTypeString, ok := midiType.(string)
-
-			if !ok {
-				return nil, errors.New("midi.message.filter type must be a string")
+			msgTypeString, err := params.GetString("type")
+			if err != nil {
+				return nil, fmt.Errorf("midi.message.filter type error: %w", err)
 			}
 
-			return &MIDIMessageFilter{config: config, MIDIType: midiTypeString}, nil
+			return &MIDIMessageFilter{config: config, MIDIType: msgTypeString}, nil
 		},
 	})
 }

internal/processor/mqtt-message-create.go

@@ -3,6 +3,7 @@ package processor
 import (
 	"context"
 	"errors"
+	"fmt"
 
 	"github.com/jwetzell/showbridge-go/internal/config"
 )
@@ -22,6 +23,15 @@ type MQTTMessageCreate struct {
 	Payload  []byte
 }
 
+func NewMQTTMessage(topic string, qos byte, retained bool, payload []byte) MQTTMessage {
+	return MQTTMessage{
+		topic:    topic,
+		qos:      qos,
+		retained: retained,
+		payload:  payload,
+	}
+}
+
 func (mm MQTTMessage) Duplicate() bool {
 	// TODO(jwetzell): implement?
 	return false
@@ -72,47 +82,26 @@ func init() {
 		Type: "mqtt.message.create",
 		New: func(config config.ProcessorConfig) (Processor, error) {
 			params := config.Params
-			topic, ok := params["topic"]
-
-			if !ok {
-				return nil, errors.New("mqtt.message.create requires a topic parameter")
+			topicString, err := params.GetString("topic")
+			if err != nil {
+				return nil, fmt.Errorf("mqtt.message.create topic error: %w", err)
 			}
 
-			topicString, ok := topic.(string)
-
-			if !ok {
-				return nil, errors.New("mqtt.message.create topic must be a string")
+			qosByte, err := params.GetInt("qos")
+			if err != nil {
+				return nil, fmt.Errorf("mqtt.message.create qos error: %w", err)
 			}
 
-			qos, ok := params["qos"]
-
-			if !ok {
-				return nil, errors.New("mqtt.message.create requires a qos parameter")
-			}
-
-			qosByte, ok := qos.(float64)
-
-			if !ok {
-				return nil, errors.New("mqtt.message.create qos must be a number")
-			}
-
-			retained, ok := params["retained"]
-
-			if !ok {
-				return nil, errors.New("mqtt.message.create requires a retained parameter")
-			}
-
-			retainedBool, ok := retained.(bool)
-
-			if !ok {
-				return nil, errors.New("mqtt.message.create retained must be a boolean")
+			retainedBool, err := params.GetBool("retained")
+			if err != nil {
+				return nil, fmt.Errorf("mqtt.message.create retained error: %w", err)
 			}
 
 			//TODO(jwetzell): convert payload into []byte or string for sending
 			payload, ok := params["payload"]
 
 			if !ok {
-				return nil, errors.New("mqtt.message.create requires a payload parameter")
+				return nil, errors.New("mqtt.message.create payload error: not found")
 			}
 
 			if payloadBytes, ok := payload.([]byte); ok {
@@ -122,7 +111,7 @@ func init() {
 			payloadString, ok := payload.(string)
 
 			if !ok {
-				return nil, errors.New("mqtt.message.create payload must be a string or byte array")
+				return nil, errors.New("mqtt.message.create payload error: not a string or byte array")
 			}
 
 			payloadBytes := []byte(payloadString)

internal/processor/nats-message-create.go

@@ -3,7 +3,7 @@ package processor
 import (
 	"bytes"
 	"context"
-	"errors"
+	"fmt"
 	"text/template"
 
 	"github.com/jwetzell/showbridge-go/internal/config"
@@ -57,16 +57,9 @@ func init() {
 		Type: "nats.message.create",
 		New: func(config config.ProcessorConfig) (Processor, error) {
 			params := config.Params
-			subject, ok := params["subject"]
-
-			if !ok {
-				return nil, errors.New("nats.message.create requires a subject parameter")
-			}
-
-			subjectString, ok := subject.(string)
-
-			if !ok {
-				return nil, errors.New("nats.message.create subject must be a string")
+			subjectString, err := params.GetString("subject")
+			if err != nil {
+				return nil, fmt.Errorf("nats.message.create subject error: %w", err)
 			}
 
 			subjectTemplate, err := template.New("subject").Parse(subjectString)
@@ -75,16 +68,9 @@ func init() {
 				return nil, err
 			}
 
-			payload, ok := params["payload"]
-
-			if !ok {
-				return nil, errors.New("nats.message.create requires a payload parameter")
-			}
-
-			payloadString, ok := payload.(string)
-
-			if !ok {
-				return nil, errors.New("nats.message.create payload must be a string")
+			payloadString, err := params.GetString("payload")
+			if err != nil {
+				return nil, fmt.Errorf("nats.message.create payload error: %w", err)
 			}
 
 			payloadTemplate, err := template.New("payload").Parse(payloadString)

internal/processor/nats-message-encode.go

@@ -1,36 +0,0 @@
-package processor
-
-import (
-	"context"
-	"errors"
-
-	"github.com/jwetzell/showbridge-go/internal/config"
-	"github.com/nats-io/nats.go"
-)
-
-type NATSMessageEncode struct {
-	config config.ProcessorConfig
-}
-
-func (nme *NATSMessageEncode) Process(ctx context.Context, payload any) (any, error) {
-	payloadMessage, ok := payload.(*nats.Msg)
-
-	if !ok {
-		return nil, errors.New("nats.message.encode processor only accepts an nats.Msg")
-	}
-
-	return payloadMessage.Data, nil
-}
-
-func (nme *NATSMessageEncode) Type() string {
-	return nme.config.Type
-}
-
-func init() {
-	RegisterProcessor(ProcessorRegistration{
-		Type: "nats.message.encode",
-		New: func(config config.ProcessorConfig) (Processor, error) {
-			return &NATSMessageEncode{config: config}, nil
-		},
-	})
-}

internal/processor/osc-message-create.go

@@ -80,16 +80,9 @@ func init() {
 		Type: "osc.message.create",
 		New: func(config config.ProcessorConfig) (Processor, error) {
 			params := config.Params
-			address, ok := params["address"]
-
-			if !ok {
-				return nil, errors.New("osc.message.create requires an address parameter")
-			}
-
-			addressString, ok := address.(string)
-
-			if !ok {
-				return nil, errors.New("osc.message.create address must be a string")
+			addressString, err := params.GetString("address")
+			if err != nil {
+				return nil, fmt.Errorf("osc.message.create address error: %w", err)
 			}
 
 			addressTemplate, err := template.New("address").Parse(addressString)
@@ -107,16 +100,9 @@ func init() {
 					return nil, fmt.Errorf("osc.message.create address must be an array found %T", args)
 				}
 
-				types, ok := params["types"]
-
-				if !ok {
-					return nil, errors.New("osc.message.create requires a types parameter with args")
-				}
-
-				typesString, ok := types.(string)
-
-				if !ok {
-					return nil, errors.New("osc.message.create types must be a string")
+				typesString, err := params.GetString("types")
+				if err != nil {
+					return nil, fmt.Errorf("osc.message.create types error: %w", err)
 				}
 
 				if len(rawArgs) != len(typesString) {
@@ -129,7 +115,7 @@ func init() {
 					argString, ok := rawArg.(string)
 
 					if !ok {
-						return nil, errors.New("osc.message.create arg must be a string")
+						return nil, errors.New("osc.message.create arg error: not a string")
 					}
 
 					argTemplate, err := template.New("arg").Parse(argString)

internal/processor/osc-message-filter.go

@@ -40,16 +40,9 @@ func init() {
 		Type: "osc.message.filter",
 		New: func(config config.ProcessorConfig) (Processor, error) {
 			params := config.Params
-			address, ok := params["address"]
-
-			if !ok {
-				return nil, errors.New("osc.message.filter requires an address parameter")
-			}
-
-			addressString, ok := address.(string)
-
-			if !ok {
-				return nil, errors.New("osc.message.filter address must be a string")
+			addressString, err := params.GetString("address")
+			if err != nil {
+				return nil, fmt.Errorf("osc.message.filter address error: %w", err)
 			}
 
 			addressPattern := strings.ReplaceAll(addressString, "?", ".")

internal/processor/osc-message-transform.go

@@ -1,77 +0,0 @@
-package processor
-
-import (
-	"bytes"
-	"context"
-	"errors"
-	"text/template"
-
-	osc "github.com/jwetzell/osc-go"
-	"github.com/jwetzell/showbridge-go/internal/config"
-)
-
-type OSCMessageTransform struct {
-	config  config.ProcessorConfig
-	Address *template.Template
-}
-
-func (omt *OSCMessageTransform) Process(ctx context.Context, payload any) (any, error) {
-	payloadMessage, ok := payload.(osc.OSCMessage)
-
-	if !ok {
-		return nil, errors.New("osc.message.transform processor only accepts an OSCMessage")
-	}
-
-	var addressBuffer bytes.Buffer
-	err := omt.Address.Execute(&addressBuffer, payloadMessage)
-
-	if err != nil {
-		return nil, err
-	}
-
-	addressString := addressBuffer.String()
-
-	if len(addressString) == 0 {
-		return nil, errors.New("osc.message.transform address must not be empty")
-	}
-
-	if addressString[0] != '/' {
-		return nil, errors.New("osc.message.transform address must start with '/'")
-	}
-
-	payloadMessage.Address = addressString
-
-	return payloadMessage, nil
-}
-
-func (omt *OSCMessageTransform) Type() string {
-	return omt.config.Type
-}
-
-func init() {
-	RegisterProcessor(ProcessorRegistration{
-		Type: "osc.message.transform",
-		New: func(config config.ProcessorConfig) (Processor, error) {
-			params := config.Params
-			address, ok := params["address"]
-
-			if !ok {
-				return nil, errors.New("osc.message.transform requires an address parameter")
-			}
-
-			addressString, ok := address.(string)
-
-			if !ok {
-				return nil, errors.New("osc.message.transform address must be a string")
-			}
-
-			addressTemplate, err := template.New("address").Parse(addressString)
-
-			if err != nil {
-				return nil, err
-			}
-
-			return &OSCMessageTransform{config: config, Address: addressTemplate}, nil
-		},
-	})
-}

internal/processor/script-expr.go

@@ -2,7 +2,7 @@ package processor
 
 import (
 	"context"
-	"errors"
+	"fmt"
 
 	"github.com/expr-lang/expr"
 	"github.com/expr-lang/expr/vm"
@@ -35,16 +35,9 @@ func init() {
 		New: func(config config.ProcessorConfig) (Processor, error) {
 			params := config.Params
 
-			expression, ok := params["expression"]
-
-			if !ok {
-				return nil, errors.New("script.expr requires an expression parameter")
-			}
-
-			expressionString, ok := expression.(string)
-
-			if !ok {
-				return nil, errors.New("script.expr expression must be a string")
+			expressionString, err := params.GetString("expression")
+			if err != nil {
+				return nil, fmt.Errorf("script.expr expression error: %w", err)
 			}
 
 			program, err := expr.Compile(expressionString)

internal/processor/script-js.go

@@ -3,7 +3,7 @@ package processor
 import (
 	"context"
 	"encoding/json"
-	"errors"
+	"fmt"
 
 	"github.com/jwetzell/showbridge-go/internal/config"
 	"modernc.org/quickjs"
@@ -71,16 +71,9 @@ func init() {
 		New: func(config config.ProcessorConfig) (Processor, error) {
 			params := config.Params
 
-			program, ok := params["program"]
-
-			if !ok {
-				return nil, errors.New("script.js requires a program parameter")
-			}
-
-			programString, ok := program.(string)
-
-			if !ok {
-				return nil, errors.New("script.js program must be a string")
+			programString, err := params.GetString("program")
+			if err != nil {
+				return nil, fmt.Errorf("script.js program error: %w", err)
 			}
 
 			return &ScriptJS{config: config, Program: programString}, nil

internal/processor/script-wasm.go

@@ -2,6 +2,7 @@ package processor
 
 import (
 	"context"
+	"errors"
 	"fmt"
 
 	extism "github.com/extism/go-sdk"
@@ -44,32 +45,30 @@ func (se *ScriptWASM) Type() string {
 func init() {
 	RegisterProcessor(ProcessorRegistration{
 		Type: "script.wasm",
-		New: func(config config.ProcessorConfig) (Processor, error) {
-			params := config.Params
+		New: func(processorConfig config.ProcessorConfig) (Processor, error) {
+			params := processorConfig.Params
 
-			path, ok := params["path"]
-
-			if !ok {
-				return nil, fmt.Errorf("script.wasm requires a path parameter")
+			pathString, err := params.GetString("path")
+			if err != nil {
+				return nil, fmt.Errorf("script.wasm path error: %w", err)
 			}
 
-			pathString, ok := path.(string)
-
-			if !ok {
-				return nil, fmt.Errorf("script.wasm path must be a string")
-			}
-
-			functionString := "process"
-
-			function, ok := params["function"]
-
-			if ok {
-				specificFunctionString, ok := function.(string)
-
-				if !ok {
-					return nil, fmt.Errorf("script.wasm function must be a string")
+			functionString, err := params.GetString("function")
+			if err != nil {
+				if errors.Is(err, config.ErrParamNotFound) {
+					functionString = "process"
+				} else {
+					return nil, fmt.Errorf("script.wasm function error: %w", err)
+				}
+			}
+
+			enableWasiBool, err := params.GetBool("enableWasi")
+			if err != nil {
+				if errors.Is(err, config.ErrParamNotFound) {
+					enableWasiBool = false
+				} else {
+					return nil, fmt.Errorf("script.wasm enableWasi error: %w", err)
 				}
-				functionString = specificFunctionString
 			}
 
 			manifest := extism.Manifest{
@@ -80,13 +79,15 @@ func init() {
 				},
 			}
 
-			program, err := extism.NewCompiledPlugin(context.Background(), manifest, extism.PluginConfig{}, []extism.HostFunction{})
+			program, err := extism.NewCompiledPlugin(context.Background(), manifest, extism.PluginConfig{
+				EnableWasi: enableWasiBool,
+			}, []extism.HostFunction{})
 
 			if err != nil {
 				return nil, err
 			}
 
-			return &ScriptWASM{config: config, Program: program, Function: functionString}, nil
+			return &ScriptWASM{config: processorConfig, Program: program, Function: functionString}, nil
 		},
 	})
 }

internal/processor/sip-response-audio-create.go

@@ -3,7 +3,7 @@ package processor
 import (
 	"bytes"
 	"context"
-	"errors"
+	"fmt"
 	"text/template"
 
 	"github.com/jwetzell/showbridge-go/internal/config"
@@ -50,40 +50,19 @@ func init() {
 		New: func(config config.ProcessorConfig) (Processor, error) {
 			params := config.Params
 
-			preWait, ok := params["preWait"]
-
-			if !ok {
-				return nil, errors.New("sip.response.audio.create requires a preWait parameter")
+			preWaitNum, err := params.GetInt("preWait")
+			if err != nil {
+				return nil, fmt.Errorf("sip.response.audio.create preWait error: %w", err)
 			}
 
-			preWaitNum, ok := preWait.(float64)
-
-			if !ok {
-				return nil, errors.New("sip.response.audio.create preWait must be a number")
+			postWaitNum, err := params.GetInt("postWait")
+			if err != nil {
+				return nil, fmt.Errorf("sip.response.audio.create postWait error: %w", err)
 			}
 
-			postWait, ok := params["postWait"]
-
-			if !ok {
-				return nil, errors.New("sip.response.audio.create requires a postWait parameter")
-			}
-
-			postWaitNum, ok := postWait.(float64)
-
-			if !ok {
-				return nil, errors.New("sip.response.audio.create postWait must be a number")
-			}
-
-			audioFile, ok := params["audioFile"]
-
-			if !ok {
-				return nil, errors.New("sip.response.audio.create requires a audioFile parameter")
-			}
-
-			audioFileString, ok := audioFile.(string)
-
-			if !ok {
-				return nil, errors.New("sip.response.audio.create audioFile must be a string")
+			audioFileString, err := params.GetString("audioFile")
+			if err != nil {
+				return nil, fmt.Errorf("sip.response.audio.create audioFile error: %w", err)
 			}
 
 			audioFileTemplate, err := template.New("audioFile").Parse(audioFileString)

internal/processor/sip-response-dtmf-create.go

@@ -4,6 +4,7 @@ import (
 	"bytes"
 	"context"
 	"errors"
+	"fmt"
 	"regexp"
 	"text/template"
 
@@ -56,40 +57,19 @@ func init() {
 		New: func(config config.ProcessorConfig) (Processor, error) {
 			params := config.Params
 
-			preWait, ok := params["preWait"]
-
-			if !ok {
-				return nil, errors.New("sip.response.dtmf.create requires a preWait parameter")
+			preWaitNum, err := params.GetInt("preWait")
+			if err != nil {
+				return nil, fmt.Errorf("sip.response.dtmf.create preWait error: %w", err)
 			}
 
-			preWaitNum, ok := preWait.(float64)
-
-			if !ok {
-				return nil, errors.New("sip.response.dtmf.create preWait must be a number")
+			postWaitNum, err := params.GetInt("postWait")
+			if err != nil {
+				return nil, fmt.Errorf("sip.response.dtmf.create postWait error: %w", err)
 			}
 
-			postWait, ok := params["postWait"]
-
-			if !ok {
-				return nil, errors.New("sip.response.dtmf.create requires a postWait parameter")
-			}
-
-			postWaitNum, ok := postWait.(float64)
-
-			if !ok {
-				return nil, errors.New("sip.response.dtmf.create postWait must be a number")
-			}
-
-			digits, ok := params["digits"]
-
-			if !ok {
-				return nil, errors.New("sip.response.dtmf.create requires a digits parameter")
-			}
-
-			digitsString, ok := digits.(string)
-
-			if !ok {
-				return nil, errors.New("sip.response.dtmf.create digits must be a string")
+			digitsString, err := params.GetString("digits")
+			if err != nil {
+				return nil, fmt.Errorf("sip.response.dtmf.create digits error: %w", err)
 			}
 
 			digitsTemplate, err := template.New("digits").Parse(digitsString)

internal/processor/string-create.go

@@ -3,7 +3,7 @@ package processor
 import (
 	"bytes"
 	"context"
-	"errors"
+	"fmt"
 	"text/template"
 
 	"github.com/jwetzell/showbridge-go/internal/config"
@@ -36,16 +36,9 @@ func init() {
 		Type: "string.create",
 		New: func(config config.ProcessorConfig) (Processor, error) {
 			params := config.Params
-			tmpl, ok := params["template"]
-
-			if !ok {
-				return nil, errors.New("string.create requires a template parameter")
-			}
-
-			templateString, ok := tmpl.(string)
-
-			if !ok {
-				return nil, errors.New("string.create template must be a string")
+			templateString, err := params.GetString("template")
+			if err != nil {
+				return nil, fmt.Errorf("string.create template error: %w", err)
 			}
 
 			templateTemplate, err := template.New("template").Parse(templateString)

internal/processor/string-filter.go

@@ -3,6 +3,7 @@ package processor
 import (
 	"context"
 	"errors"
+	"fmt"
 	"regexp"
 
 	"github.com/jwetzell/showbridge-go/internal/config"
@@ -37,16 +38,9 @@ func init() {
 		New: func(config config.ProcessorConfig) (Processor, error) {
 			params := config.Params
 
-			pattern, ok := params["pattern"]
-
-			if !ok {
-				return nil, errors.New("string.filter requires a pattern parameter")
-			}
-
-			patternString, ok := pattern.(string)
-
-			if !ok {
-				return nil, errors.New("string.filter pattern must be a string")
+			patternString, err := params.GetString("pattern")
+			if err != nil {
+				return nil, fmt.Errorf("string.filter pattern error: %w", err)
 			}
 
 			patternRegexp, err := regexp.Compile(patternString)

internal/processor/string-split.go

@@ -3,6 +3,7 @@ package processor
 import (
 	"context"
 	"errors"
+	"fmt"
 	"strings"
 
 	"github.com/jwetzell/showbridge-go/internal/config"
@@ -35,16 +36,9 @@ func init() {
 		New: func(config config.ProcessorConfig) (Processor, error) {
 			params := config.Params
 
-			separator, ok := params["separator"]
-
-			if !ok {
-				return nil, errors.New("string.split requires a separator")
-			}
-
-			separatorString, ok := separator.(string)
-
-			if !ok {
-				return nil, errors.New("string.split separator must be a string")
+			separatorString, err := params.GetString("separator")
+			if err != nil {
+				return nil, fmt.Errorf("string.split separator error: %w", err)
 			}
 
 			return &StringSplit{config: config, Separator: separatorString}, nil

internal/processor/string-split_test.go

@@ -1,70 +0,0 @@
-package processor_test
-
-import (
-	"slices"
-	"testing"
-
-	"github.com/jwetzell/showbridge-go/internal/processor"
-)
-
-func TestGoodStringSplit(t *testing.T) {
-	tests := []struct {
-		processor processor.Processor
-		name      string
-		payload   any
-		expected  []string
-	}{
-		{
-			processor: &processor.StringSplit{Separator: ","},
-			name:      "comma separated",
-			payload:   "part1,part2,part3",
-			expected:  []string{"part1", "part2", "part3"},
-		},
-	}
-
-	for _, test := range tests {
-		t.Run(test.name, func(t *testing.T) {
-			got, err := test.processor.Process(t.Context(), test.payload)
-
-			gotStrings, ok := got.([]string)
-			if !ok {
-				t.Fatalf("string.split returned a %T payload: %s", got, got)
-			}
-			if err != nil {
-				t.Fatalf("string.split failed: %s", err)
-			}
-			if !slices.Equal(gotStrings, test.expected) {
-				t.Fatalf("string.split got %s, expected %s", got, test.expected)
-			}
-		})
-	}
-}
-
-func TestBadStringSplit(t *testing.T) {
-	tests := []struct {
-		processor   processor.Processor
-		name        string
-		payload     any
-		errorString string
-	}{
-		{
-			processor:   &processor.StringSplit{Separator: ","},
-			name:        "hello",
-			payload:     []byte{0x68, 0x65, 0x6c, 0x6c, 0x6f},
-			errorString: "string.split only accepts a string",
-		},
-	}
-
-	for _, test := range tests {
-		t.Run(test.name, func(t *testing.T) {
-			got, err := test.processor.Process(t.Context(), test.payload)
-
-			if err == nil {
-				t.Fatalf("string.split expected error but got none, payload: %s", got)
-			}
-			if err.Error() != test.errorString {
-				t.Fatalf("string.split got error '%s', expected '%s'", err.Error(), test.errorString)
-			}
-		})
-	}
-}

internal/processor/struct-field-get.go

@@ -0,0 +1,49 @@
+package processor
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"reflect"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+)
+
+type StructFieldGet struct {
+	config config.ProcessorConfig
+	Name   string
+}
+
+func (sf *StructFieldGet) Process(ctx context.Context, payload any) (any, error) {
+	s := reflect.ValueOf(payload)
+
+	if s.Kind() != reflect.Struct {
+		return nil, errors.New("struct.field.get processor only accepts a struct payload")
+	}
+
+	field := s.FieldByName(sf.Name)
+	if !field.IsValid() {
+		return nil, fmt.Errorf("struct.field.get field '%s' does not exist", sf.Name)
+	}
+
+	return field.Interface(), nil
+}
+
+func (sf *StructFieldGet) Type() string {
+	return sf.config.Type
+}
+
+func init() {
+	RegisterProcessor(ProcessorRegistration{
+		Type: "struct.field.get",
+		New: func(config config.ProcessorConfig) (Processor, error) {
+			params := config.Params
+			nameString, err := params.GetString("name")
+			if err != nil {
+				return nil, fmt.Errorf("struct.field.get name error: %w", err)
+			}
+
+			return &StructFieldGet{config: config, Name: nameString}, nil
+		},
+	})
+}

internal/processor/struct-method-get.go

@@ -0,0 +1,65 @@
+package processor
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"reflect"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+)
+
+type StructMethodGet struct {
+	config config.ProcessorConfig
+	Name   string
+}
+
+func (sm *StructMethodGet) Process(ctx context.Context, payload any) (any, error) {
+	s := reflect.ValueOf(payload)
+
+	if s.Kind() != reflect.Struct {
+		return nil, errors.New("struct.method.get processor only accepts a struct payload")
+	}
+
+	method := s.MethodByName(sm.Name)
+	if !method.IsValid() {
+		return nil, fmt.Errorf("struct.method.get method '%s' does not exist", sm.Name)
+	}
+
+	value := method.Call(nil)
+
+	if len(value) == 0 {
+		return nil, nil
+	}
+
+	if len(value) == 1 {
+		return value[0].Interface(), nil
+	}
+
+	results := make([]any, len(value))
+
+	for i, v := range value {
+		results[i] = v.Interface()
+	}
+
+	return results, nil
+}
+
+func (sm *StructMethodGet) Type() string {
+	return sm.config.Type
+}
+
+func init() {
+	RegisterProcessor(ProcessorRegistration{
+		Type: "struct.method.get",
+		New: func(config config.ProcessorConfig) (Processor, error) {
+			params := config.Params
+			nameString, err := params.GetString("name")
+			if err != nil {
+				return nil, fmt.Errorf("struct.method.get name error: %w", err)
+			}
+
+			return &StructMethodGet{config: config, Name: nameString}, nil
+		},
+	})
+}

internal/processor/test/artnet-packet-decode_test.go

@@ -0,0 +1,27 @@
+package processor_test
+
+import (
+	"testing"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/processor"
+)
+
+func TestArtnetPacketCreateFromRegistry(t *testing.T) {
+	registration, ok := processor.ProcessorRegistry["artnet.packet.decode"]
+	if !ok {
+		t.Fatalf("artnet.packet.decode processor not registered")
+	}
+
+	processorInstance, err := registration.New(config.ProcessorConfig{
+		Type: "artnet.packet.decode",
+	})
+
+	if err != nil {
+		t.Fatalf("failed to create artnet.packet.decode processor: %s", err)
+	}
+
+	if processorInstance.Type() != "artnet.packet.decode" {
+		t.Fatalf("artnet.packet.decode processor has wrong type: %s", processorInstance.Type())
+	}
+}

internal/processor/test/artnet-packet-encode_test.go

@@ -0,0 +1,27 @@
+package processor_test
+
+import (
+	"testing"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/processor"
+)
+
+func TestArtnetPacketEncodeFromRegistry(t *testing.T) {
+	registration, ok := processor.ProcessorRegistry["artnet.packet.encode"]
+	if !ok {
+		t.Fatalf("artnet.packet.encode processor not registered")
+	}
+
+	processorInstance, err := registration.New(config.ProcessorConfig{
+		Type: "artnet.packet.encode",
+	})
+
+	if err != nil {
+		t.Fatalf("failed to create artnet.packet.encode processor: %s", err)
+	}
+
+	if processorInstance.Type() != "artnet.packet.encode" {
+		t.Fatalf("artnet.packet.encode processor has wrong type: %s", processorInstance.Type())
+	}
+}

internal/processor/test/artnet-packet-filter_test.go

@@ -0,0 +1,254 @@
+package processor_test
+
+import (
+	"reflect"
+	"testing"
+
+	"github.com/jwetzell/artnet-go"
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/processor"
+)
+
+func TestArtnetPacketFilterFromRegistry(t *testing.T) {
+	registration, ok := processor.ProcessorRegistry["artnet.packet.filter"]
+	if !ok {
+		t.Fatalf("artnet.packet.filter processor not registered")
+	}
+
+	processorInstance, err := registration.New(config.ProcessorConfig{
+		Type: "artnet.packet.filter",
+		Params: map[string]any{
+			"opCode": float64(artnet.OpTimeCode),
+		},
+	})
+
+	if err != nil {
+		t.Fatalf("failed to create artnet.packet.filter processor: %s", err)
+	}
+
+	if processorInstance.Type() != "artnet.packet.filter" {
+		t.Fatalf("artnet.packet.filter processor has wrong type: %s", processorInstance.Type())
+	}
+
+	payload := &artnet.ArtTimeCode{
+		ID:        []byte{'A', 'r', 't', '-', 'N', 'e', 't', 0x00},
+		OpCode:    artnet.OpTimeCode,
+		ProtVerHi: 0,
+		ProtVerLo: 14,
+		Filler1:   0,
+		StreamId:  0,
+		Frames:    11,
+		Seconds:   17,
+		Minutes:   3,
+		Hours:     0,
+		Type:      0,
+	}
+	expected := &artnet.ArtTimeCode{
+		ID:        []byte{'A', 'r', 't', '-', 'N', 'e', 't', 0x00},
+		OpCode:    artnet.OpTimeCode,
+		ProtVerHi: 0,
+		ProtVerLo: 14,
+		Filler1:   0,
+		StreamId:  0,
+		Frames:    11,
+		Seconds:   17,
+		Minutes:   3,
+		Hours:     0,
+		Type:      0,
+	}
+
+	got, err := processorInstance.Process(t.Context(), payload)
+	if err != nil {
+		t.Fatalf("artnet.packet.filter processing failed: %s", err)
+	}
+
+	if !reflect.DeepEqual(got, expected) {
+		t.Fatalf("artnet.packet.filter got %+v, expected %+v", got, expected)
+	}
+}
+
+func TestGoodArtnetPacketFilter(t *testing.T) {
+
+	tests := []struct {
+		name     string
+		params   map[string]any
+		payload  any
+		expected artnet.ArtNetPacket
+	}{
+		{
+			name: "tiemcode packet with matching opCode",
+			params: map[string]any{
+				"opCode": float64(artnet.OpTimeCode),
+			},
+			payload: &artnet.ArtTimeCode{
+				ID:        []byte{'A', 'r', 't', '-', 'N', 'e', 't', 0x00},
+				OpCode:    artnet.OpTimeCode,
+				ProtVerHi: 0,
+				ProtVerLo: 14,
+				Filler1:   0,
+				StreamId:  0,
+				Frames:    11,
+				Seconds:   17,
+				Minutes:   3,
+				Hours:     0,
+				Type:      0,
+			},
+			expected: &artnet.ArtTimeCode{
+				ID:        []byte{'A', 'r', 't', '-', 'N', 'e', 't', 0x00},
+				OpCode:    artnet.OpTimeCode,
+				ProtVerHi: 0,
+				ProtVerLo: 14,
+				Filler1:   0,
+				StreamId:  0,
+				Frames:    11,
+				Seconds:   17,
+				Minutes:   3,
+				Hours:     0,
+				Type:      0,
+			},
+		},
+		{
+			name: "timecode packet with mismatching opCode",
+			params: map[string]any{
+				"opCode": float64(artnet.OpDmx),
+			},
+			payload: &artnet.ArtTimeCode{
+				ID:        []byte{'A', 'r', 't', '-', 'N', 'e', 't', 0x00},
+				OpCode:    artnet.OpTimeCode,
+				ProtVerHi: 0,
+				ProtVerLo: 14,
+				Filler1:   0,
+				StreamId:  0,
+				Frames:    11,
+				Seconds:   17,
+				Minutes:   3,
+				Hours:     0,
+				Type:      0,
+			},
+			expected: nil,
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			registration, ok := processor.ProcessorRegistry["artnet.packet.filter"]
+			if !ok {
+				t.Fatalf("artnet.packet.filter processor not registered")
+			}
+
+			processorInstance, err := registration.New(config.ProcessorConfig{
+				Type:   "artnet.packet.filter",
+				Params: test.params,
+			})
+
+			if err != nil {
+				t.Fatalf("artnet.packet.filter failed to create processor: %s", err)
+			}
+
+			got, err := processorInstance.Process(t.Context(), test.payload)
+
+			if err != nil {
+				t.Fatalf("artnet.packet.filter failed: %s", err)
+			}
+
+			if test.expected == nil {
+				if got != nil {
+					t.Fatalf("artnet.packet.filter got %+v, expected nil", got)
+				}
+				return
+			}
+
+			gotPacket, ok := got.(artnet.ArtNetPacket)
+			if !ok {
+				t.Fatalf("artnet.packet.filter returned a %T payload: %s", got, got)
+			}
+
+			if !reflect.DeepEqual(gotPacket, test.expected) {
+				t.Fatalf("artnet.packet.filter got %+v, expected %+v", gotPacket, test.expected)
+			}
+		})
+	}
+}
+
+func TestBadArtnetPacketFilter(t *testing.T) {
+	tests := []struct {
+		name        string
+		params      map[string]any
+		payload     any
+		errorString string
+	}{
+		{
+			name:        "non-artnet input",
+			payload:     []byte{0x01},
+			params:      map[string]any{"opCode": float64(artnet.OpTimeCode)},
+			errorString: "artnet.packet.filter processor only accepts an ArtNetPacket",
+		},
+		{
+			name: "no opCode param",
+			payload: &artnet.ArtTimeCode{
+				ID:        []byte{'A', 'r', 't', '-', 'N', 'e', 't', 0x00},
+				OpCode:    artnet.OpTimeCode,
+				ProtVerHi: 0,
+				ProtVerLo: 14,
+				Filler1:   0,
+				StreamId:  0,
+				Frames:    11,
+				Seconds:   17,
+				Minutes:   3,
+				Hours:     0,
+				Type:      0,
+			},
+			params:      map[string]any{},
+			errorString: "artnet.packet.filter opCode error: not found",
+		},
+		{
+			name: "opCode not a number",
+			payload: &artnet.ArtTimeCode{
+				ID:        []byte{'A', 'r', 't', '-', 'N', 'e', 't', 0x00},
+				OpCode:    artnet.OpTimeCode,
+				ProtVerHi: 0,
+				ProtVerLo: 14,
+				Filler1:   0,
+				StreamId:  0,
+				Frames:    11,
+				Seconds:   17,
+				Minutes:   3,
+				Hours:     0,
+				Type:      0,
+			},
+			params:      map[string]any{"opCode": "100"},
+			errorString: "artnet.packet.filter opCode error: not a number",
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			registration, ok := processor.ProcessorRegistry["artnet.packet.filter"]
+			if !ok {
+				t.Fatalf("artnet.packet.filter processor not registered")
+			}
+
+			processorInstance, err := registration.New(config.ProcessorConfig{
+				Type:   "artnet.packet.filter",
+				Params: test.params,
+			})
+
+			if err != nil {
+				if test.errorString != err.Error() {
+					t.Fatalf("artnet.packet.filter got error '%s', expected '%s'", err.Error(), test.errorString)
+				}
+				return
+			}
+
+			got, err := processorInstance.Process(t.Context(), test.payload)
+
+			if err == nil {
+				t.Fatalf("artnet.packet.filter expected to fail but got payload: %s", got)
+			}
+
+			if err.Error() != test.errorString {
+				t.Fatalf("artnet.packet.filter got error '%s', expected '%s'", err.Error(), test.errorString)
+			}
+		})
+	}
+}

internal/processor/test/float-parse_test.go

@@ -80,37 +80,55 @@ func TestFloatParseGoodConfig(t *testing.T) {
 }
 
 func TestGoodFloatParse(t *testing.T) {
-	floatParser := processor.FloatParse{}
 	tests := []struct {
-		processor processor.Processor
-		name      string
-		payload   any
-		bitSize   int
-		expected  float64
+		name     string
+		params   map[string]any
+		payload  any
+		expected float64
 	}{
 		{
-			name:     "positive number",
+			name: "positive number",
+			params: map[string]any{
+				"bitSize": 64.0,
+			},
 			payload:  "12345.67",
-			bitSize:  64,
 			expected: 12345.67,
 		},
 		{
-			name:     "negative number",
+			name: "negative number",
+			params: map[string]any{
+				"bitSize": 64.0,
+			},
 			payload:  "-12345.67",
-			bitSize:  64,
 			expected: -12345.67,
 		},
 		{
-			name:     "zero",
+			name: "zero",
+			params: map[string]any{
+				"bitSize": 64.0,
+			},
 			payload:  "0",
-			bitSize:  64,
 			expected: 0,
 		},
 	}
 
 	for _, test := range tests {
 		t.Run(test.name, func(t *testing.T) {
-			got, err := floatParser.Process(t.Context(), test.payload)
+			registration, ok := processor.ProcessorRegistry["float.parse"]
+			if !ok {
+				t.Fatalf("float.parse processor not registered")
+			}
+
+			processorInstance, err := registration.New(config.ProcessorConfig{
+				Type:   "float.parse",
+				Params: test.params,
+			})
+
+			if err != nil {
+				t.Fatalf("float.parse failed to create processor: %s", err)
+			}
+
+			got, err := processorInstance.Process(t.Context(), test.payload)
 
 			gotFloat, ok := got.(float64)
 			if !ok {
@@ -128,38 +146,50 @@ func TestGoodFloatParse(t *testing.T) {
 
 func TestBadFloatParse(t *testing.T) {
 	tests := []struct {
-		processor   processor.Processor
 		name        string
+		params      map[string]any
 		payload     any
-		bitSize     int
 		errorString string
 	}{
 		{
-			name:        "non-string input",
+			name: "non-string input",
+			params: map[string]any{
+				"bitSize": 64.0,
+			},
 			payload:     []byte{0x01},
-			bitSize:     64,
 			errorString: "float.parse processor only accepts a string",
 		},
 		{
-			name:        "not float string",
+			name: "not float string",
+			params: map[string]any{
+				"bitSize": 64.0,
+			},
 			payload:     "abcd",
-			bitSize:     64,
 			errorString: "strconv.ParseFloat: parsing \"abcd\": invalid syntax",
 		},
 		{
-			name:        "bit size overflow",
+			name: "bit size overflow",
+			params: map[string]any{
+				"bitSize": 32.0,
+			},
 			payload:     "1.79e+64",
-			bitSize:     32,
 			errorString: "strconv.ParseFloat: parsing \"1.79e+64\": value out of range",
 		},
 	}
 
 	for _, test := range tests {
 		t.Run(test.name, func(t *testing.T) {
-			floatParser := processor.FloatParse{
-				BitSize: test.bitSize,
+			registration, ok := processor.ProcessorRegistry["float.parse"]
+			if !ok {
+				t.Fatalf("float.parse processor not registered")
 			}
-			got, err := floatParser.Process(t.Context(), test.payload)
+
+			processorInstance, err := registration.New(config.ProcessorConfig{
+				Type:   "float.parse",
+				Params: test.params,
+			})
+
+			got, err := processorInstance.Process(t.Context(), test.payload)
 
 			if err == nil {
 				t.Fatalf("float.parse expected to fail but succeeded, got: %v", got)

internal/processor/test/free-d-create_test.go

@@ -0,0 +1,38 @@
+package processor_test
+
+import (
+	"testing"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/processor"
+)
+
+func TestFreeDCreateFromRegistry(t *testing.T) {
+	registration, ok := processor.ProcessorRegistry["freed.create"]
+	if !ok {
+		t.Fatalf("freed.create processor not registered")
+	}
+
+	processorInstance, err := registration.New(config.ProcessorConfig{
+		Type: "freed.create",
+		Params: map[string]any{
+			"id":    "0",
+			"pan":   "0",
+			"tilt":  "0",
+			"roll":  "0",
+			"posX":  "0",
+			"posY":  "0",
+			"posZ":  "0",
+			"zoom":  "0",
+			"focus": "0",
+		},
+	})
+
+	if err != nil {
+		t.Fatalf("failed to create freed.create processor: %s", err)
+	}
+
+	if processorInstance.Type() != "freed.create" {
+		t.Fatalf("freed.create processor has wrong type: %s", processorInstance.Type())
+	}
+}

internal/processor/test/free-d-decode_test.go

@@ -0,0 +1,27 @@
+package processor_test
+
+import (
+	"testing"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/processor"
+)
+
+func TestFreeDDecodeFromRegistry(t *testing.T) {
+	registration, ok := processor.ProcessorRegistry["freed.decode"]
+	if !ok {
+		t.Fatalf("freed.decode processor not registered")
+	}
+
+	processorInstance, err := registration.New(config.ProcessorConfig{
+		Type: "freed.decode",
+	})
+
+	if err != nil {
+		t.Fatalf("failed to create freed.decode processor: %s", err)
+	}
+
+	if processorInstance.Type() != "freed.decode" {
+		t.Fatalf("freed.decode processor has wrong type: %s", processorInstance.Type())
+	}
+}

internal/processor/test/free-d-encode_test.go

@@ -0,0 +1,27 @@
+package processor_test
+
+import (
+	"testing"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/processor"
+)
+
+func TestFreeDEncodeFromRegistry(t *testing.T) {
+	registration, ok := processor.ProcessorRegistry["freed.encode"]
+	if !ok {
+		t.Fatalf("freed.encode processor not registered")
+	}
+
+	processorInstance, err := registration.New(config.ProcessorConfig{
+		Type: "freed.encode",
+	})
+
+	if err != nil {
+		t.Fatalf("failed to create freed.encode processor: %s", err)
+	}
+
+	if processorInstance.Type() != "freed.encode" {
+		t.Fatalf("freed.encode processor has wrong type: %s", processorInstance.Type())
+	}
+}

internal/processor/test/http-request-create_test.go

@@ -0,0 +1,31 @@
+package processor_test
+
+import (
+	"testing"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/processor"
+)
+
+func TestHTTPRequestCreateFromRegistry(t *testing.T) {
+	registration, ok := processor.ProcessorRegistry["http.request.create"]
+	if !ok {
+		t.Fatalf("http.request.create processor not registered")
+	}
+
+	processorInstance, err := registration.New(config.ProcessorConfig{
+		Type: "http.request.create",
+		Params: map[string]any{
+			"method": "GET",
+			"url":    "http://example.com",
+		},
+	})
+
+	if err != nil {
+		t.Fatalf("failed to create http.request.create processor: %s", err)
+	}
+
+	if processorInstance.Type() != "http.request.create" {
+		t.Fatalf("http.request.create processor has wrong type: %s", processorInstance.Type())
+	}
+}

internal/processor/test/http-request-encode_test.go

@@ -0,0 +1,27 @@
+package processor_test
+
+import (
+	"testing"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/processor"
+)
+
+func TestHTTPRequestEncodeFromRegistry(t *testing.T) {
+	registration, ok := processor.ProcessorRegistry["http.request.encode"]
+	if !ok {
+		t.Fatalf("http.request.encode processor not registered")
+	}
+
+	processorInstance, err := registration.New(config.ProcessorConfig{
+		Type: "http.request.encode",
+	})
+
+	if err != nil {
+		t.Fatalf("failed to create http.request.encode processor: %s", err)
+	}
+
+	if processorInstance.Type() != "http.request.encode" {
+		t.Fatalf("http.request.encode processor has wrong type: %s", processorInstance.Type())
+	}
+}

internal/processor/test/http-request-filter_test.go

@@ -0,0 +1,31 @@
+package processor_test
+
+import (
+	"testing"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/processor"
+)
+
+func TestHTTPRequestFilterFromRegistry(t *testing.T) {
+	registration, ok := processor.ProcessorRegistry["http.request.filter"]
+	if !ok {
+		t.Fatalf("http.request.filter processor not registered")
+	}
+
+	processorInstance, err := registration.New(config.ProcessorConfig{
+		Type: "http.request.filter",
+		Params: map[string]any{
+			"method": "GET",
+			"path":   "/test",
+		},
+	})
+
+	if err != nil {
+		t.Fatalf("failed to create http.request.filter processor: %s", err)
+	}
+
+	if processorInstance.Type() != "http.request.filter" {
+		t.Fatalf("http.request.filter processor has wrong type: %s", processorInstance.Type())
+	}
+}

internal/processor/test/http-response-create_test.go

@@ -0,0 +1,31 @@
+package processor_test
+
+import (
+	"testing"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/processor"
+)
+
+func TestHTTPResponseCreateFromRegistry(t *testing.T) {
+	registration, ok := processor.ProcessorRegistry["http.response.create"]
+	if !ok {
+		t.Fatalf("http.response.create processor not registered")
+	}
+
+	processorInstance, err := registration.New(config.ProcessorConfig{
+		Type: "http.response.create",
+		Params: map[string]any{
+			"status":       200.0,
+			"bodyTemplate": "Hello, World!",
+		},
+	})
+
+	if err != nil {
+		t.Fatalf("failed to create http.response.create processor: %s", err)
+	}
+
+	if processorInstance.Type() != "http.response.create" {
+		t.Fatalf("http.response.create processor has wrong type: %s", processorInstance.Type())
+	}
+}

internal/processor/test/http-response-encode_test.go

@@ -0,0 +1,27 @@
+package processor_test
+
+import (
+	"testing"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/processor"
+)
+
+func TestHTTPResponseEncodeFromRegistry(t *testing.T) {
+	registration, ok := processor.ProcessorRegistry["http.response.encode"]
+	if !ok {
+		t.Fatalf("http.response.encode processor not registered")
+	}
+
+	processorInstance, err := registration.New(config.ProcessorConfig{
+		Type: "http.response.encode",
+	})
+
+	if err != nil {
+		t.Fatalf("failed to create http.response.encode processor: %s", err)
+	}
+
+	if processorInstance.Type() != "http.response.encode" {
+		t.Fatalf("http.response.encode processor has wrong type: %s", processorInstance.Type())
+	}
+}

internal/processor/test/int-parse_test.go

@@ -100,58 +100,75 @@ func TestIntParseGoodConfig(t *testing.T) {
 
 func TestGoodIntParse(t *testing.T) {
 	tests := []struct {
-		processor processor.Processor
-		name      string
-		payload   any
-		expected  int64
-		base      int
-		bitSize   int
+		name     string
+		params   map[string]any
+		payload  any
+		expected int64
 	}{
 		{
-			name:     "positive number",
+			name: "positive number",
+			params: map[string]any{
+				"base":    10.0,
+				"bitSize": 64.0,
+			},
 			payload:  "12345",
 			expected: 12345,
-			base:     10,
-			bitSize:  64,
 		},
 		{
-			name:     "negative number",
+			name: "negative number",
+			params: map[string]any{
+				"base":    10.0,
+				"bitSize": 64.0,
+			},
 			payload:  "-12345",
 			expected: -12345,
-			base:     10,
-			bitSize:  64,
 		},
 		{
-			name:     "zero",
+			name: "zero",
+			params: map[string]any{
+				"base":    10.0,
+				"bitSize": 64.0,
+			},
 			payload:  "0",
 			expected: 0,
-			base:     10,
-			bitSize:  64,
 		},
 		{
-			name:     "binary",
+			name: "binary",
+			params: map[string]any{
+				"base":    2.0,
+				"bitSize": 64.0,
+			},
 			payload:  "1010101",
 			expected: 85,
-			base:     2,
-			bitSize:  64,
 		},
 		{
-			name:     "hex",
+			name: "hex",
+			params: map[string]any{
+				"base":    16.0,
+				"bitSize": 64.0,
+			},
 			payload:  "15F",
 			expected: 351,
-			base:     16,
-			bitSize:  64,
 		},
 	}
 
 	for _, test := range tests {
 		t.Run(test.name, func(t *testing.T) {
-			intParser := processor.IntParse{
-				Base:    test.base,
-				BitSize: test.bitSize,
+			registration, ok := processor.ProcessorRegistry["int.parse"]
+			if !ok {
+				t.Fatalf("int.parse processor not registered")
 			}
 
-			got, err := intParser.Process(t.Context(), test.payload)
+			processorInstance, err := registration.New(config.ProcessorConfig{
+				Type:   "int.parse",
+				Params: test.params,
+			})
+
+			if err != nil {
+				t.Fatalf("int.parse failed to create processor: %s", err)
+			}
+
+			got, err := processorInstance.Process(t.Context(), test.payload)
 
 			gotInt, ok := got.(int64)
 			if !ok {
@@ -169,43 +186,53 @@ func TestGoodIntParse(t *testing.T) {
 
 func TestBadIntParse(t *testing.T) {
 	tests := []struct {
-		processor   processor.Processor
 		name        string
+		params      map[string]any
 		payload     any
-		base        int
-		bitSize     int
 		errorString string
 	}{
 		{
-			name:        "non-string input",
+			name: "non-string input",
+			params: map[string]any{
+				"base":    10.0,
+				"bitSize": 64.0,
+			},
 			payload:     []byte{0x01},
-			base:        10,
-			bitSize:     64,
 			errorString: "int.parse processor only accepts a string",
 		},
 		{
-			name:        "not int string",
+			name: "not int string",
+			params: map[string]any{
+				"base":    10.0,
+				"bitSize": 64.0,
+			},
 			payload:     "123.46",
-			base:        10,
-			bitSize:     64,
 			errorString: "strconv.ParseInt: parsing \"123.46\": invalid syntax",
 		},
 		{
-			name:        "bit overflow",
+			name: "bit overflow",
+			params: map[string]any{
+				"base":    10.0,
+				"bitSize": 32.0,
+			},
 			payload:     "12345678901234567890",
-			base:        10,
-			bitSize:     32,
 			errorString: "strconv.ParseInt: parsing \"12345678901234567890\": value out of range",
 		},
 	}
 
 	for _, test := range tests {
 		t.Run(test.name, func(t *testing.T) {
-			intParser := processor.IntParse{
-				Base:    test.base,
-				BitSize: test.bitSize,
+			registration, ok := processor.ProcessorRegistry["int.parse"]
+			if !ok {
+				t.Fatalf("int.parse processor not registered")
 			}
-			got, err := intParser.Process(t.Context(), test.payload)
+
+			processorInstance, err := registration.New(config.ProcessorConfig{
+				Type:   "int.parse",
+				Params: test.params,
+			})
+
+			got, err := processorInstance.Process(t.Context(), test.payload)
 
 			if err == nil {
 				t.Fatalf("int.parse expected to fail but succeeded, got: %v", got)

internal/processor/test/int-random_test.go

@@ -0,0 +1,195 @@
+package processor_test
+
+import (
+	"testing"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/processor"
+)
+
+func TestIntRandomFromRegistry(t *testing.T) {
+	registration, ok := processor.ProcessorRegistry["int.random"]
+	if !ok {
+		t.Fatalf("int.random processor not registered")
+	}
+
+	processorInstance, err := registration.New(config.ProcessorConfig{
+		Type: "int.random",
+		Params: map[string]any{
+			"min": 1.0,
+			"max": 10.0,
+		},
+	})
+
+	if err != nil {
+		t.Fatalf("failed to create int.random processor: %s", err)
+	}
+
+	if processorInstance.Type() != "int.random" {
+		t.Fatalf("int.random processor has wrong type: %s", processorInstance.Type())
+	}
+}
+
+func TestIntRandomGoodConfig(t *testing.T) {
+	registration, ok := processor.ProcessorRegistry["int.random"]
+	if !ok {
+		t.Fatalf("int.random processor not registered")
+	}
+
+	processorInstance, err := registration.New(config.ProcessorConfig{
+		Type: "int.random",
+		Params: map[string]any{
+			"min": 1.0,
+			"max": 10.0,
+		},
+	})
+
+	if err != nil {
+		t.Fatalf("int.random should have created processor but got error: %s", err)
+	}
+
+	payload := "12345"
+
+	got, err := processorInstance.Process(t.Context(), payload)
+	if err != nil {
+		t.Fatalf("int.random processing failed: %s", err)
+	}
+
+	gotInt, ok := got.(int)
+	if !ok {
+		t.Fatalf("int.random returned a %T payload: %s", got, got)
+	}
+
+	if gotInt < 1 || gotInt > 10 {
+		t.Fatalf("int.random got %d, expected between %d and %d", gotInt, 1, 10)
+	}
+}
+
+func TestGoodIntRandom(t *testing.T) {
+	tests := []struct {
+		name    string
+		payload any
+		params  map[string]any
+	}{
+		{
+			name: "1-10",
+			params: map[string]any{
+				"min": 1.0,
+				"max": 10.0,
+			},
+			payload: "12345",
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			registration, ok := processor.ProcessorRegistry["int.random"]
+			if !ok {
+				t.Fatalf("int.random processor not registered")
+			}
+
+			processorInstance, err := registration.New(config.ProcessorConfig{
+				Type:   "int.random",
+				Params: test.params,
+			})
+
+			if err != nil {
+				t.Fatalf("int.random failed to create processor: %s", err)
+			}
+
+			got, err := processorInstance.Process(t.Context(), test.payload)
+			gotInt, ok := got.(int)
+			if !ok {
+				t.Fatalf("int.random returned a %T payload: %s", got, got)
+			}
+			if err != nil {
+				t.Fatalf("int.random failed: %s", err)
+			}
+
+			minNum, ok := test.params["min"].(float64)
+			if !ok {
+				t.Fatalf("int.random test min param is not a number: %s", test.params["min"])
+			}
+			maxNum, ok := test.params["max"].(float64)
+			if !ok {
+				t.Fatalf("int.random test max param is not a number: %s", test.params["max"])
+			}
+
+			if gotInt < int(minNum) || gotInt > int(maxNum) {
+				t.Fatalf("int.random got %d, expected between %d and %d", gotInt, int(minNum), int(maxNum))
+			}
+		})
+	}
+}
+
+func TestBadIntRandom(t *testing.T) {
+	tests := []struct {
+		name        string
+		params      map[string]any
+		payload     any
+		errorString string
+	}{
+		{
+			name:        "no min param",
+			payload:     "hello",
+			params:      map[string]any{"max": 10.0},
+			errorString: "int.random min error: not found",
+		},
+		{
+			name:        "no max param",
+			payload:     "hello",
+			params:      map[string]any{"min": 1.0},
+			errorString: "int.random max error: not found",
+		},
+		{
+			name:        "min param not a number",
+			payload:     "hello",
+			params:      map[string]any{"min": "1", "max": 10.0},
+			errorString: "int.random min error: not a number",
+		},
+		{
+			name:        "max param not a number",
+			payload:     "hello",
+			params:      map[string]any{"min": 1.0, "max": "10"},
+			errorString: "int.random max error: not a number",
+		},
+		{
+			name:        "max less than min",
+			payload:     "hello",
+			params:      map[string]any{"min": 1.0, "max": 0.0},
+			errorString: "int.random max must be greater than min",
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+
+			registration, ok := processor.ProcessorRegistry["int.random"]
+			if !ok {
+				t.Fatalf("int.random processor not registered")
+			}
+
+			processorInstance, err := registration.New(config.ProcessorConfig{
+				Type:   "int.random",
+				Params: test.params,
+			})
+
+			if err != nil {
+				if test.errorString != err.Error() {
+					t.Fatalf("int.random got error '%s', expected '%s'", err.Error(), test.errorString)
+				}
+				return
+			}
+
+			got, err := processorInstance.Process(t.Context(), test.payload)
+
+			if err == nil {
+				t.Fatalf("int.random expected to fail but got payload: %s", got)
+			}
+
+			if err.Error() != test.errorString {
+				t.Fatalf("int.random got error '%s', expected '%s'", err.Error(), test.errorString)
+			}
+		})
+	}
+}

internal/processor/test/json-decode_test.go

@@ -0,0 +1,124 @@
+package processor_test
+
+import (
+	"reflect"
+	"testing"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/processor"
+)
+
+func TestJsonDecodeFromRegistry(t *testing.T) {
+	registration, ok := processor.ProcessorRegistry["json.decode"]
+	if !ok {
+		t.Fatalf("json.decode processor not registered")
+	}
+
+	processorInstance, err := registration.New(config.ProcessorConfig{
+		Type: "json.decode",
+	})
+	if err != nil {
+		t.Fatalf("failed to create json.decode processor: %s", err)
+	}
+
+	if processorInstance.Type() != "json.decode" {
+		t.Fatalf("json.decode processor has wrong type: %s", processorInstance.Type())
+	}
+
+	payload := "{\"property\":\"hello\"}"
+
+	expected := map[string]any{
+		"property": "hello",
+	}
+
+	got, err := processorInstance.Process(t.Context(), payload)
+	if err != nil {
+		t.Fatalf("json.decode processing failed: %s", err)
+	}
+
+	gotMap, ok := got.(map[string]any)
+
+	if !ok {
+		t.Fatalf("json.decode should return byte slice")
+	}
+
+	if !reflect.DeepEqual(gotMap, expected) {
+		t.Fatalf("json.decode got %+v, expected %+v", got, expected)
+	}
+}
+
+func TestGoodJsonDecode(t *testing.T) {
+	jsonDecoder := processor.JsonDecode{}
+	tests := []struct {
+		name     string
+		payload  string
+		expected map[string]any
+	}{
+		{
+			name:    "basic json",
+			payload: "{\"address\":\"/hello\",\"args\":null}",
+			expected: map[string]any{
+				"address": "/hello",
+				"args":    nil,
+			},
+		},
+		{
+			name:    "array",
+			payload: "{\"address\":\"/hello\",\"args\":[1,2,3]}",
+			expected: map[string]any{
+				"address": "/hello",
+				"args":    []any{1.0, 2.0, 3.0},
+			},
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			got, err := jsonDecoder.Process(t.Context(), test.payload)
+
+			gotMap, ok := got.(map[string]any)
+			if !ok {
+				t.Fatalf("json.decode returned a %T payload: %s", got, got)
+			}
+			if err != nil {
+				t.Fatalf("json.decode failed: %s", err)
+			}
+			if !reflect.DeepEqual(gotMap, test.expected) {
+				t.Fatalf("json.decode got %x, expected %s", got, test.expected)
+			}
+		})
+	}
+}
+
+func TestBadJsonDecode(t *testing.T) {
+	stringEncoder := processor.JsonDecode{}
+	tests := []struct {
+		name        string
+		payload     any
+		errorString string
+	}{
+		{
+			name:        "non-string input",
+			payload:     []byte("hello"),
+			errorString: "json.decode processor only accepts a string",
+		},
+		{
+			name:        "invalid json",
+			payload:     "{\"address\":\"/hello\",\"args\":}",
+			errorString: "invalid character '}' looking for beginning of value",
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			got, err := stringEncoder.Process(t.Context(), test.payload)
+
+			if err == nil {
+				t.Fatalf("json.decode expected to fail but got payload: %+v", got)
+			}
+			if err.Error() != test.errorString {
+				t.Fatalf("json.decode got error '%s', expected '%s'", err.Error(), test.errorString)
+			}
+		})
+	}
+}

internal/processor/test/json-encode_test.go

@@ -0,0 +1,113 @@
+package processor_test
+
+import (
+	"slices"
+	"testing"
+
+	"github.com/jwetzell/osc-go"
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/processor"
+)
+
+func TestJsonEncodeFromRegistry(t *testing.T) {
+	registration, ok := processor.ProcessorRegistry["json.encode"]
+	if !ok {
+		t.Fatalf("json.encode processor not registered")
+	}
+
+	processorInstance, err := registration.New(config.ProcessorConfig{
+		Type: "json.encode",
+	})
+	if err != nil {
+		t.Fatalf("failed to create json.encode processor: %s", err)
+	}
+
+	if processorInstance.Type() != "json.encode" {
+		t.Fatalf("json.encode processor has wrong type: %s", processorInstance.Type())
+	}
+
+	payload := struct {
+		Property string `json:"property"`
+	}{
+		Property: "hello",
+	}
+
+	expected := []byte("{\"property\":\"hello\"}")
+
+	got, err := processorInstance.Process(t.Context(), payload)
+	if err != nil {
+		t.Fatalf("json.encode processing failed: %s", err)
+	}
+
+	gotBytes, ok := got.([]byte)
+
+	if !ok {
+		t.Fatalf("json.encode should return byte slice")
+	}
+
+	if !slices.Equal(gotBytes, expected) {
+		t.Fatalf("json.encode got %+v, expected %+v", got, expected)
+	}
+}
+
+func TestGoodJsonEncode(t *testing.T) {
+	jsonEncoder := processor.JsonEncode{}
+	tests := []struct {
+		name     string
+		payload  any
+		expected []byte
+	}{
+		{
+			name: "basic struct",
+			payload: osc.OSCMessage{
+				Address: "/hello",
+			},
+			expected: []byte("{\"address\":\"/hello\",\"args\":null}"),
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			got, err := jsonEncoder.Process(t.Context(), test.payload)
+
+			gotBytes, ok := got.([]byte)
+			if !ok {
+				t.Fatalf("json.encode returned a %T payload: %s", got, got)
+			}
+			if err != nil {
+				t.Fatalf("json.encode failed: %s", err)
+			}
+			if !slices.Equal(gotBytes, test.expected) {
+				t.Fatalf("json.encode got %x, expected %s", got, test.expected)
+			}
+		})
+	}
+}
+
+func TestBadJsonEncode(t *testing.T) {
+	stringEncoder := processor.JsonEncode{}
+	tests := []struct {
+		name        string
+		payload     any
+		errorString string
+	}{
+		{
+			name:        "unencodable type",
+			payload:     make(chan int),
+			errorString: "json: unsupported type: chan int",
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			got, err := stringEncoder.Process(t.Context(), test.payload)
+
+			if err == nil {
+				t.Fatalf("json.encode expected to fail but got payload: %+v", got)
+			}
+			if err.Error() != test.errorString {
+				t.Fatalf("json.encode got error '%s', expected '%s'", err.Error(), test.errorString)
+			}
+		})
+	}
+}

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

@@ -0,0 +1,33 @@
+package processor_test
+
+import (
+	"testing"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/processor"
+)
+
+func TestMIDIMessageCreateFromRegistry(t *testing.T) {
+	registration, ok := processor.ProcessorRegistry["midi.message.create"]
+	if !ok {
+		t.Fatalf("midi.message.create processor not registered")
+	}
+
+	processorInstance, err := registration.New(config.ProcessorConfig{
+		Type: "midi.message.create",
+		Params: map[string]any{
+			"type":     "note_on",
+			"channel":  "1",
+			"note":     "60",
+			"velocity": "100",
+		},
+	})
+
+	if err != nil {
+		t.Fatalf("failed to create midi.message.create processor: %s", err)
+	}
+
+	if processorInstance.Type() != "midi.message.create" {
+		t.Fatalf("midi.message.create processor has wrong type: %s", processorInstance.Type())
+	}
+}

internal/processor/test/midi-message-decode_test.go

@@ -0,0 +1,27 @@
+package processor_test
+
+import (
+	"testing"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/processor"
+)
+
+func TestMIDIMessageDecodeFromRegistry(t *testing.T) {
+	registration, ok := processor.ProcessorRegistry["midi.message.decode"]
+	if !ok {
+		t.Fatalf("midi.message.decode processor not registered")
+	}
+
+	processorInstance, err := registration.New(config.ProcessorConfig{
+		Type: "midi.message.decode",
+	})
+
+	if err != nil {
+		t.Fatalf("failed to create midi.message.decode processor: %s", err)
+	}
+
+	if processorInstance.Type() != "midi.message.decode" {
+		t.Fatalf("midi.message.decode processor has wrong type: %s", processorInstance.Type())
+	}
+}

internal/processor/test/midi-message-encode_test.go

@@ -0,0 +1,89 @@
+package processor_test
+
+import (
+	"slices"
+	"testing"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/processor"
+	"gitlab.com/gomidi/midi/v2"
+)
+
+func TestMIDIMessageEncodeFromRegistry(t *testing.T) {
+	registration, ok := processor.ProcessorRegistry["midi.message.encode"]
+	if !ok {
+		t.Fatalf("midi.message.encode processor not registered")
+	}
+
+	processorInstance, err := registration.New(config.ProcessorConfig{
+		Type: "midi.message.encode",
+	})
+
+	if err != nil {
+		t.Fatalf("failed to create midi.message.encode processor: %s", err)
+	}
+
+	if processorInstance.Type() != "midi.message.encode" {
+		t.Fatalf("midi.message.encode processor has wrong type: %s", processorInstance.Type())
+	}
+}
+
+func TestGoodMIDIMessageEncode(t *testing.T) {
+	midiMessageEncoder := processor.MIDIMessageEncode{}
+	tests := []struct {
+		name     string
+		payload  any
+		expected []byte
+	}{
+		{
+			name:     "note on message",
+			payload:  midi.NoteOn(1, 60, 127),
+			expected: []byte{0x91, 0x3c, 0x7f},
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			got, err := midiMessageEncoder.Process(t.Context(), test.payload)
+
+			gotBytes, ok := got.([]byte)
+			if !ok {
+				t.Fatalf("midi.message.encode returned a %T payload: %s", got, got)
+			}
+			if err != nil {
+				t.Fatalf("midi.message.encode failed: %s", err)
+			}
+			if !slices.Equal(gotBytes, test.expected) {
+				t.Fatalf("midi.message.encode got %+v, expected %+v", got, test.expected)
+			}
+		})
+	}
+}
+
+func TestBadMIDIMessageEncode(t *testing.T) {
+	midiMessageEncoder := processor.MIDIMessageEncode{}
+	tests := []struct {
+		name        string
+		payload     any
+		errorString string
+	}{
+		{
+			name:        "non-midi message input",
+			payload:     []byte{0x68, 0x65, 0x6c, 0x6c, 0x6f},
+			errorString: "midi.message.encode processor only accepts a midi.Message",
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			got, err := midiMessageEncoder.Process(t.Context(), test.payload)
+
+			if err == nil {
+				t.Fatalf("midi.message.encode expected to fail but got payload: %s", got)
+			}
+			if err.Error() != test.errorString {
+				t.Fatalf("midi.message.encode got error '%s', expected '%s'", err.Error(), test.errorString)
+			}
+		})
+	}
+}