Merge pull request #146 from jwetzell/api-decouple

work towards decoupling api from router

.github/workflows/release-showbridge.yaml

@@ -43,7 +43,7 @@ jobs:
         uses: docker/setup-buildx-action@4d04d5d9486b7bd6fa91e7baf45bbb4f8b9deedd # v4.0.0
 
       - name: Login to Docker Hub
-        uses: docker/login-action@b45d80f862d83dbcd57f89517bcf500b2ab88fb2 # v4.0.0
+        uses: docker/login-action@4907a6ddec9925e35a0a9e82d7399ccc52663121 # v4.1.0
         with:
           username: ${{ secrets.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_TOKEN }}
@@ -56,7 +56,7 @@ jobs:
             jwetzell/showbridge
 
       - name: Build and push
-        uses: docker/build-push-action@d08e5c354a6adb9ed34480a06d141179aa583294 # v7.0.0
+        uses: docker/build-push-action@bcafcacb16a39f128d818304e6c9c0c18556b85f # v7.1.0
         with:
           push: true
           context: ./

Dockerfile

@@ -1,6 +1,6 @@
-ARG GO_VERSION=1.26.0
+ARG GO_VERSION=1.26.2
 FROM golang:${GO_VERSION}-alpine AS build
-RUN apk --no-cache add ca-certificates tzdata
+RUN apk --no-cache add ca-certificates tzdata git
 WORKDIR /build
 COPY go.mod go.sum ./
 RUN go mod download

cmd/showbridge/main.go

@@ -14,8 +14,6 @@ import (
 
 	"github.com/jwetzell/showbridge-go"
 	"github.com/jwetzell/showbridge-go/internal/config"
-	"github.com/jwetzell/showbridge-go/internal/module"
-	"github.com/jwetzell/showbridge-go/internal/route"
 	"github.com/jwetzell/showbridge-go/internal/schema"
 	"github.com/urfave/cli/v3"
 	"go.opentelemetry.io/otel"
@@ -262,7 +260,12 @@ func (app *showbridgeApp) handleChannels() {
 				app.routerMutex.Unlock()
 				continue
 			}
-			moduleErrors, routeErrors := app.router.UpdateConfig(config)
+			err, moduleErrors, routeErrors := app.router.UpdateConfig(config, false)
+			if err != nil {
+				app.logger.Error("failed to update router config", "error", err)
+				app.routerMutex.Unlock()
+				continue
+			}
 			app.logConfigErrors(moduleErrors, routeErrors)
 			app.logger.Info("configuration reloaded successfully")
 			app.routerMutex.Unlock()
@@ -280,7 +283,7 @@ func (app *showbridgeApp) handleChannels() {
 	}
 }
 
-func (app *showbridgeApp) logConfigErrors(moduleErrors []module.ModuleError, routeErrors []route.RouteError) {
+func (app *showbridgeApp) logConfigErrors(moduleErrors []config.ModuleError, routeErrors []config.RouteError) {
 	for _, moduleError := range moduleErrors {
 		app.logger.Error("problem initializing module", "index", moduleError.Index, "error", moduleError.Error)
 	}

config.go

@@ -0,0 +1,85 @@
+package showbridge
+
+import (
+	"errors"
+	"reflect"
+
+	"github.com/jwetzell/showbridge-go/internal/common"
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/route"
+)
+
+func (r *Router) GetRunningConfig() config.Config {
+	r.runningConfigMu.RLock()
+	defer r.runningConfigMu.RUnlock()
+	return r.runningConfig
+}
+
+func (r *Router) UpdateConfig(newConfig config.Config, triggerChangeChan bool) (error, []config.ModuleError, []config.RouteError) {
+	if !r.runningConfigMu.TryLock() {
+		return errors.New("config update in progress"), nil, nil
+	}
+	defer r.runningConfigMu.Unlock()
+	oldConfig := r.runningConfig
+	r.logger.Debug("received config update", "oldConfig", oldConfig, "newConfig", newConfig)
+
+	if !reflect.DeepEqual(oldConfig.Api, newConfig.Api) {
+		r.logger.Info("applying new API config")
+		r.apiServer.Stop()
+		r.apiServer.Start(newConfig.Api)
+		r.runningConfig.Api = newConfig.Api
+	}
+
+	// TODO(jwetzell): handle config update errors better
+	for _, moduleInstance := range r.ModuleInstances {
+		moduleInstance.Stop()
+	}
+	r.logger.Debug("waiting for modules to exit")
+	r.moduleWait.Wait()
+
+	r.ModuleInstances = make(map[string]common.Module)
+	r.RouteInstances = []*route.Route{}
+
+	var moduleErrors []config.ModuleError
+
+	for moduleIndex, moduleDecl := range newConfig.Modules {
+
+		err := r.addModule(moduleDecl)
+		if err != nil {
+			if moduleErrors == nil {
+				moduleErrors = []config.ModuleError{}
+			}
+			moduleErrors = append(moduleErrors, config.ModuleError{
+				Index:  moduleIndex,
+				Config: moduleDecl,
+				Error:  err.Error(),
+			})
+			continue
+		}
+
+	}
+
+	var routeErrors []config.RouteError
+	for routeIndex, routeDecl := range newConfig.Routes {
+		err := r.addRoute(routeDecl)
+		if err != nil {
+			if routeErrors == nil {
+				routeErrors = []config.RouteError{}
+			}
+			routeErrors = append(routeErrors, config.RouteError{
+				Index:  routeIndex,
+				Config: routeDecl,
+				Error:  err.Error(),
+			})
+			continue
+		}
+	}
+	r.runningConfig = newConfig
+	r.startModules()
+
+	if triggerChangeChan {
+		r.ConfigChange <- newConfig
+	}
+
+	return nil, moduleErrors, routeErrors
+}

events.go

@@ -1,64 +1,53 @@
 package showbridge
 
 import (
-	"encoding/json"
+	"time"
 
-	"github.com/gorilla/websocket"
+	"github.com/jwetzell/showbridge-go/internal/common"
 )
 
-type Event struct {
+func (r *Router) HandleEvent(event common.Event, sender common.EventDestination) {
-	Type  string `json:"type"`
-	Data  any    `json:"data,omitempty"`
-	Error string `json:"error,omitempty"`
-}
-
-func (e Event) toJSON() ([]byte, error) {
-	return json.Marshal(e)
-}
-
-func (r *Router) handleEvent(event Event, sender *websocket.Conn) {
 	switch event.Type {
 	case "ping":
-		r.unicastEvent(Event{Type: "pong"}, sender)
+		r.unicastEvent(common.Event{Type: "pong", Data: map[string]any{
+			"timestamp": time.Now().UnixMilli(),
+		}}, sender)
 	default:
 		r.logger.Warn("unknown event type", "eventType", event.Type)
 	}
 }
 
-func (r *Router) unicastEvent(event Event, conn *websocket.Conn) {
+func (r *Router) AddEventDestination(dest common.EventDestination) {
-	eventJSON, err := event.toJSON()
+	r.eventDestinationsMu.Lock()
-	if err != nil {
+	defer r.eventDestinationsMu.Unlock()
-		r.logger.Error("failed to marshal event to JSON", "error", err)
+	r.eventDestinations = append(r.eventDestinations, dest)
-		return
-	}
-	err = conn.WriteMessage(websocket.TextMessage, eventJSON)
-	if err != nil {
-		r.logger.Error("failed to write message to websocket connection", "error", err)
-	}
 }
 
-func (r *Router) broadcastEvent(event Event, excluded ...*websocket.Conn) {
+func (r *Router) RemoveEventDestination(dest common.EventDestination) {
-	eventJSON, err := event.toJSON()
+	r.eventDestinationsMu.Lock()
-	if err != nil {
+	defer r.eventDestinationsMu.Unlock()
-		r.logger.Error("failed to marshal event to JSON", "error", err)
+	for i, d := range r.eventDestinations {
-		return
+		if d.Is(dest) {
-	}
+			r.eventDestinations = append(r.eventDestinations[:i], r.eventDestinations[i+1:]...)
-	r.wsConnsMu.Lock()
-	defer r.wsConnsMu.Unlock()
-	for _, conn := range r.wsConns {
-		exclude := false
-		for _, excludedConn := range excluded {
-			if conn == excludedConn {
-				exclude = true
 			break
 		}
 	}
-		if exclude {
-			continue
 }
-		err := conn.WriteMessage(websocket.TextMessage, eventJSON)
+
+func (r *Router) unicastEvent(event common.Event, dest common.EventDestination) {
+	err := dest.Send(event)
 	if err != nil {
-			r.logger.Error("failed to write message to websocket connection", "error", err)
+		r.logger.Error("failed to send event", "error", err)
+	}
+}
+
+func (r *Router) broadcastEvent(event common.Event) {
+	r.eventDestinationsMu.Lock()
+	defer r.eventDestinationsMu.Unlock()
+	for _, dest := range r.eventDestinations {
+		err := dest.Send(event)
+		if err != nil {
+			r.logger.Error("failed to send event", "error", err)
 		}
 	}
 }

go.mod

@@ -1,40 +1,39 @@
 module github.com/jwetzell/showbridge-go
 
-go 1.26.0
+go 1.26.2
 
 require (
 	github.com/eclipse/paho.mqtt.golang v1.5.1
 	github.com/emiago/diago v0.28.0
-	github.com/emiago/sipgo v1.2.1
+	github.com/emiago/sipgo v1.3.1
 	github.com/expr-lang/expr v1.17.8
 	github.com/extism/go-sdk v1.7.1
-	github.com/google/jsonschema-go v0.4.2
+	github.com/google/jsonschema-go v0.4.3
 	github.com/gorilla/websocket v1.5.3
 	github.com/jwetzell/artnet-go v0.2.1
 	github.com/jwetzell/free-d-go v0.1.0
-	github.com/jwetzell/osc-go v0.2.0
+	github.com/jwetzell/osc-go v0.3.0
 	github.com/jwetzell/psn-go v0.3.0
-	github.com/nats-io/nats-server/v2 v2.12.6
+	github.com/nats-io/nats-server/v2 v2.14.0
-	github.com/nats-io/nats.go v1.49.0
+	github.com/nats-io/nats.go v1.51.0
-	github.com/redis/go-redis/v9 v9.18.0
+	github.com/redis/go-redis/v9 v9.19.0
-	github.com/urfave/cli/v3 v3.7.0
+	github.com/urfave/cli/v3 v3.8.0
 	gitlab.com/gomidi/midi/v2 v2.3.23
 	go.bug.st/serial v1.6.4
-	go.opentelemetry.io/otel v1.42.0
+	go.opentelemetry.io/otel v1.43.0
-	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.42.0
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.43.0
-	go.opentelemetry.io/otel/sdk v1.42.0
+	go.opentelemetry.io/otel/sdk v1.43.0
-	go.opentelemetry.io/otel/trace v1.42.0
+	go.opentelemetry.io/otel/trace v1.43.0
-	modernc.org/quickjs v0.17.1
+	modernc.org/quickjs v0.18.1
-	modernc.org/sqlite v1.47.0
+	modernc.org/sqlite v1.50.0
 	sigs.k8s.io/yaml v1.6.0
 )
 
 require (
-	github.com/antithesishq/antithesis-sdk-go v0.6.0-default-no-op // indirect
+	github.com/antithesishq/antithesis-sdk-go v0.7.0-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/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f // 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
@@ -50,9 +49,9 @@ require (
 	github.com/grpc-ecosystem/grpc-gateway/v2 v2.28.0 // indirect
 	github.com/ianlancetaylor/demangle v0.0.0-20240805132620-81f5be970eca // indirect
 	github.com/icholy/digest v1.1.0 // indirect
-	github.com/klauspost/compress v1.18.4 // indirect
+	github.com/klauspost/compress v1.18.5 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
-	github.com/minio/highwayhash v1.0.4-0.20251030100505-070ab1a87a76 // indirect
+	github.com/minio/highwayhash v1.0.4 // indirect
 	github.com/nats-io/jwt/v2 v2.8.1 // indirect
 	github.com/nats-io/nkeys v0.4.15 // indirect
 	github.com/nats-io/nuid v1.0.1 // indirect
@@ -69,24 +68,24 @@ require (
 	github.com/tetratelabs/wazero v1.9.0 // indirect
 	github.com/zaf/g711 v1.4.0 // indirect
 	go.opentelemetry.io/auto/sdk v1.2.1 // indirect
-	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.42.0 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.43.0 // indirect
-	go.opentelemetry.io/otel/metric v1.42.0 // indirect
+	go.opentelemetry.io/otel/metric v1.43.0 // indirect
-	go.opentelemetry.io/proto/otlp v1.9.0 // indirect
+	go.opentelemetry.io/proto/otlp v1.10.0 // indirect
 	go.uber.org/atomic v1.11.0 // indirect
 	go.yaml.in/yaml/v2 v2.4.2 // indirect
-	golang.org/x/crypto v0.49.0 // indirect
+	golang.org/x/crypto v0.50.0 // indirect
-	golang.org/x/net v0.51.0 // indirect
+	golang.org/x/net v0.52.0 // indirect
 	golang.org/x/sync v0.20.0 // indirect
-	golang.org/x/sys v0.42.0 // indirect
+	golang.org/x/sys v0.43.0 // indirect
-	golang.org/x/text v0.35.0 // indirect
+	golang.org/x/text v0.36.0 // indirect
 	golang.org/x/time v0.15.0 // indirect
-	google.golang.org/genproto/googleapis/api v0.0.0-20260209200024-4cfbd4190f57 // indirect
+	google.golang.org/genproto/googleapis/api v0.0.0-20260401024825-9d38bb4040a9 // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20260209200024-4cfbd4190f57 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20260401024825-9d38bb4040a9 // indirect
-	google.golang.org/grpc v1.79.2 // indirect
+	google.golang.org/grpc v1.80.0 // indirect
 	google.golang.org/protobuf v1.36.11 // indirect
 	gopkg.in/hraban/opus.v2 v2.0.0-20230925203106-0188a62cb302 // indirect
-	modernc.org/libc v1.70.0 // indirect
+	modernc.org/libc v1.72.1 // indirect
-	modernc.org/libquickjs v0.12.3 // indirect
+	modernc.org/libquickjs v0.12.6 // indirect
 	modernc.org/mathutil v1.7.1 // indirect
 	modernc.org/memory v1.11.0 // indirect
 )

go.sum

@@ -1,5 +1,5 @@
-github.com/antithesishq/antithesis-sdk-go v0.6.0-default-no-op h1:kpBdlEPbRvff0mDD1gk7o9BhI16b9p5yYAXRlidpqJE=
+github.com/antithesishq/antithesis-sdk-go v0.7.0-default-no-op h1:Z/MZK75wC/NSrkgqeNIa7jexam9uWzhLmFTSCPI/kn0=
-github.com/antithesishq/antithesis-sdk-go v0.6.0-default-no-op/go.mod h1:IUpT2DPAKh6i/YhSbt6Gl3v2yvUZjmKncl7U91fup7E=
+github.com/antithesishq/antithesis-sdk-go v0.7.0-default-no-op/go.mod h1:FQyySiasQQM8735Ddel3MRojmy4dA1IqCeyJ5jmPMbI=
 github.com/bsm/ginkgo/v2 v2.12.0 h1:Ny8MWAHyOepLGlLKYmXG4IEkioBysk6GpaRTLC8zwWs=
 github.com/bsm/ginkgo/v2 v2.12.0/go.mod h1:SwYbGRRDovPVboqFv0tPTcG1sN61LM1Z4ARdbAV9g4c=
 github.com/bsm/gomega v1.27.10 h1:yeMWxP2pV2fG3FgAODIY8EiRE3dy0aeFYt4l7wh6yKA=
@@ -12,8 +12,6 @@ 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=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f h1:lO4WD4F/rVNCu3HqELle0jiPLLBs70cWOduZpkS1E78=
-github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f/go.mod h1:cuUVRXasLTGF7a8hSLbxyZXjz+1KgoB3wDUb6vlszIc=
 github.com/dustin/go-humanize v1.0.1 h1:GzkhY7T5VNhEkwH0PVJgjz+fX1rhBrR7pRT3mDkpeCY=
 github.com/dustin/go-humanize v1.0.1/go.mod h1:Mu1zIs6XwVuF/gI1OepvI0qD18qycQx+mFykh5fBlto=
 github.com/dylibso/observe-sdk/go v0.0.0-20240819160327-2d926c5d788a h1:UwSIFv5g5lIvbGgtf3tVwC7Ky9rmMFBp0RMs+6f6YqE=
@@ -24,8 +22,8 @@ github.com/emiago/diago v0.28.0 h1:VCiimhFYLoBTsxH6WrufLSt6tKWG8Fv7LfCkZHqct2E=
 github.com/emiago/diago v0.28.0/go.mod h1:eQT6j9co9PMQ/25aUiM2jpvwxxWFXLWi2w5R3lZNmKg=
 github.com/emiago/dtls/v3 v3.0.0-20260122183559-8b8d23e359c0 h1:o4LxpUnZ1zxiQ+Qjc9kLwXcjz31NGAHmnZ7xoJto3VM=
 github.com/emiago/dtls/v3 v3.0.0-20260122183559-8b8d23e359c0/go.mod h1:ydcZ977eS1I6uOWodzMuw30BwvNAzT9su/xcNYSJqjA=
-github.com/emiago/sipgo v1.2.1 h1:5JTwogbe3yQFA3sjBVueN2Q4WTU350tGeBwPYT8HMv0=
+github.com/emiago/sipgo v1.3.1 h1:JwcmYJtCmcjuLwB2ZxtupYilNQgwXN/JIcxp+CDq16A=
-github.com/emiago/sipgo v1.2.1/go.mod h1:DuwAxBZhKMqIzQFPGZb1MVAGU6Wuxj64oTOhd5dx/FY=
+github.com/emiago/sipgo v1.3.1/go.mod h1:DuwAxBZhKMqIzQFPGZb1MVAGU6Wuxj64oTOhd5dx/FY=
 github.com/expr-lang/expr v1.17.8 h1:W1loDTT+0PQf5YteHSTpju2qfUfNoBt4yw9+wOEU9VM=
 github.com/expr-lang/expr v1.17.8/go.mod h1:8/vRC7+7HBzESEqt5kKpYXxrxkr31SaO8r40VO/1IT4=
 github.com/extism/go-sdk v1.7.1 h1:lWJos6uY+tRFdlIHR+SJjwFDApY7OypS/2nMhiVQ9Sw=
@@ -51,8 +49,8 @@ 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/jsonschema-go v0.4.2 h1:tmrUohrwoLZZS/P3x7ex0WAVknEkBZM46iALbcqoRA8=
+github.com/google/jsonschema-go v0.4.3 h1:/DBOLZTfDow7pe2GmaJNhltueGTtDKICi8V8p+DQPd0=
-github.com/google/jsonschema-go v0.4.2/go.mod h1:r5quNTdLOYEz95Ru18zA0ydNbBuYoo9tgaYcxEYhJVE=
+github.com/google/jsonschema-go v0.4.3/go.mod h1:r5quNTdLOYEz95Ru18zA0ydNbBuYoo9tgaYcxEYhJVE=
 github.com/google/pprof v0.0.0-20250317173921-a4b03ec1a45e h1:ijClszYn+mADRFY17kjQEVQ1XRhq2/JR1M3sGqeJoxs=
 github.com/google/pprof v0.0.0-20250317173921-a4b03ec1a45e/go.mod h1:boTsfXsheKC2y+lKOCMpSfarhxDeIzfZG1jqGcPl3cA=
 github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
@@ -71,28 +69,28 @@ github.com/jwetzell/artnet-go v0.2.1 h1:iYTKWcwYrF5kBkYfkw2UbWvoueeA23iKEn7fR27m
 github.com/jwetzell/artnet-go v0.2.1/go.mod h1:gli97Z32a0kMkZ6taoTiK7/lqHcF/dhiGjGJdx/PxqA=
 github.com/jwetzell/free-d-go v0.1.0 h1:xHt6dvyit98X+OC3jVzV0aLidxbyzi3vI9QiYkteEtA=
 github.com/jwetzell/free-d-go v0.1.0/go.mod h1:KmrkooRARRaxJTBSPvwt/6IMAIaHH1R8bSA8cwbbELw=
-github.com/jwetzell/osc-go v0.2.0 h1:4as+BYCeZhEddFczGveP5yZZxvY728Uavz+ZSLZfOII=
+github.com/jwetzell/osc-go v0.3.0 h1:z75TxuQSEmdcmZ56OAepkDa3m88SdZh//3m4nBb/XZI=
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@@ -115,8 +113,8 @@ github.com/pion/transport/v4 v4.0.1 h1:sdROELU6BZ63Ab7FrOLn13M6YdJLY20wldXW2Cu2k
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@@ -127,34 +125,34 @@ github.com/tetratelabs/wabin v0.0.0-20230304001439-f6f874872834 h1:ZF+QBjOI+tILZ
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+gonum.org/v1/gonum v0.17.0 h1:VbpOemQlsSMrYmn7T2OUvQ4dqxQXU+ouZFQsZOx50z4=
-gonum.org/v1/gonum v0.16.0/go.mod h1:fef3am4MQ93R2HHpKnLk4/Tbh/s0+wqD5nfa6Pnwy4E=
+gonum.org/v1/gonum v0.17.0/go.mod h1:El3tOrEuMpv2UdMrbNlKEh9vd86bmQ6vqIcDwxEOc1E=
-google.golang.org/genproto/googleapis/api v0.0.0-20260209200024-4cfbd4190f57 h1:JLQynH/LBHfCTSbDWl+py8C+Rg/k1OVH3xfcaiANuF0=
+google.golang.org/genproto/googleapis/api v0.0.0-20260401024825-9d38bb4040a9 h1:VPWxll4HlMw1Vs/qXtN7BvhZqsS9cdAittCNvVENElA=
-google.golang.org/genproto/googleapis/api v0.0.0-20260209200024-4cfbd4190f57/go.mod h1:kSJwQxqmFXeo79zOmbrALdflXQeAYcUbgS7PbpMknCY=
+google.golang.org/genproto/googleapis/api v0.0.0-20260401024825-9d38bb4040a9/go.mod h1:7QBABkRtR8z+TEnmXTqIqwJLlzrZKVfAUm7tY3yGv0M=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20260209200024-4cfbd4190f57 h1:mWPCjDEyshlQYzBpMNHaEof6UX1PmHcaUODUywQ0uac=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20260401024825-9d38bb4040a9 h1:m8qni9SQFH0tJc1X0vmnpw/0t+AImlSvp30sEupozUg=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20260209200024-4cfbd4190f57/go.mod h1:j9x/tPzZkyxcgEFkiKEEGxfvyumM01BEtsW8xzOahRQ=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20260401024825-9d38bb4040a9/go.mod h1:4Hqkh8ycfw05ld/3BWL7rJOSfebL2Q+DVDeRgYgxUU8=
-google.golang.org/grpc v1.79.2 h1:fRMD94s2tITpyJGtBBn7MkMseNpOZU8ZxgC3MMBaXRU=
+google.golang.org/grpc v1.80.0 h1:Xr6m2WmWZLETvUNvIUmeD5OAagMw3FiKmMlTdViWsHM=
-google.golang.org/grpc v1.79.2/go.mod h1:KmT0Kjez+0dde/v2j9vzwoAScgEPx/Bw1CYChhHLrHQ=
+google.golang.org/grpc v1.80.0/go.mod h1:ho/dLnxwi3EDJA4Zghp7k2Ec1+c2jqup0bFkw07bwF4=
 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=
@@ -200,10 +198,10 @@ gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gotest.tools/v3 v3.5.2 h1:7koQfIKdy+I8UTetycgUqXWSDwpgv193Ka+qRsmBY8Q=
 gotest.tools/v3 v3.5.2/go.mod h1:LtdLGcnqToBH83WByAAi/wiwSFCArdFIUV/xxN4pcjA=
-modernc.org/cc/v4 v4.27.1 h1:9W30zRlYrefrDV2JE2O8VDtJ1yPGownxciz5rrbQZis=
+modernc.org/cc/v4 v4.28.1 h1:XpLbkYVQ24E8tX5u8+yWGvaxerxkR/S4zqxI8ZoSBuc=
-modernc.org/cc/v4 v4.27.1/go.mod h1:uVtb5OGqUKpoLWhqwNQo/8LwvoiEBLvZXIQ/SmO6mL0=
+modernc.org/cc/v4 v4.28.1/go.mod h1:OnovgIhbbMXMu1aISnJ0wvVD1KnW+cAUJkIrAWh+kVI=
-modernc.org/ccgo/v4 v4.32.0 h1:hjG66bI/kqIPX1b2yT6fr/jt+QedtP2fqojG2VrFuVw=
+modernc.org/ccgo/v4 v4.34.0 h1:yRLPFZieg532OT4rp4JFNIVcquwalMX26G95WQDqwCQ=
-modernc.org/ccgo/v4 v4.32.0/go.mod h1:6F08EBCx5uQc38kMGl+0Nm0oWczoo1c7cgpzEry7Uc0=
+modernc.org/ccgo/v4 v4.34.0/go.mod h1:AS5WYMyBakQ+fhsHhtP8mWB82KTGPkNNJDGfGQCe0/A=
 modernc.org/fileutil v1.4.0 h1:j6ZzNTftVS054gi281TyLjHPp6CPHr2KCxEXjEbD6SM=
 modernc.org/fileutil v1.4.0/go.mod h1:EqdKFDxiByqxLk8ozOxObDSfcVOv/54xDs/DUHdvCUU=
 modernc.org/gc/v2 v2.6.5 h1:nyqdV8q46KvTpZlsw66kWqwXRHdjIlJOhG6kxiV/9xI=
@@ -212,22 +210,22 @@ modernc.org/gc/v3 v3.1.2 h1:ZtDCnhonXSZexk/AYsegNRV1lJGgaNZJuKjJSWKyEqo=
 modernc.org/gc/v3 v3.1.2/go.mod h1:HFK/6AGESC7Ex+EZJhJ2Gni6cTaYpSMmU/cT9RmlfYY=
 modernc.org/goabi0 v0.2.0 h1:HvEowk7LxcPd0eq6mVOAEMai46V+i7Jrj13t4AzuNks=
 modernc.org/goabi0 v0.2.0/go.mod h1:CEFRnnJhKvWT1c1JTI3Avm+tgOWbkOu5oPA8eH8LnMI=
-modernc.org/libc v1.70.0 h1:U58NawXqXbgpZ/dcdS9kMshu08aiA6b7gusEusqzNkw=
+modernc.org/libc v1.72.1 h1:db1xwJ6u1kE3KHTFTTbe2GCrczHPKzlURP0aDC4NGD0=
-modernc.org/libc v1.70.0/go.mod h1:OVmxFGP1CI/Z4L3E0Q3Mf1PDE0BucwMkcXjjLntvHJo=
+modernc.org/libc v1.72.1/go.mod h1:HRMiC/PhPGLIPM7GzAFCbI+oSgE3dhZ8FWftmRrHVlY=
-modernc.org/libquickjs v0.12.3 h1:2IU9B6njBmce2PuYttJDkXeoLRV9WnvgP+eU5HAC8YI=
+modernc.org/libquickjs v0.12.6 h1:TlABTRLKOFLeY3NxkoHZeLzGBTreA2a3DhmReVON23s=
-modernc.org/libquickjs v0.12.3/go.mod h1:iCsgVxnHTX3i0YPxxHBmJk0GLA5sVUHXWI/090UXgeE=
+modernc.org/libquickjs v0.12.6/go.mod h1:ajFW8dWHtF8ggFWGbU2BBEM6FI0vemVWrd8nEHAPZpE=
 modernc.org/mathutil v1.7.1 h1:GCZVGXdaN8gTqB1Mf/usp1Y/hSqgI2vAGGP4jZMCxOU=
 modernc.org/mathutil v1.7.1/go.mod h1:4p5IwJITfppl0G4sUEDtCr4DthTaT47/N3aT6MhfgJg=
 modernc.org/memory v1.11.0 h1:o4QC8aMQzmcwCK3t3Ux/ZHmwFPzE6hf2Y5LbkRs+hbI=
 modernc.org/memory v1.11.0/go.mod h1:/JP4VbVC+K5sU2wZi9bHoq2MAkCnrt2r98UGeSK7Mjw=
-modernc.org/opt v0.1.4 h1:2kNGMRiUjrp4LcaPuLY2PzUfqM/w9N23quVwhKt5Qm8=
+modernc.org/opt v0.2.0 h1:tGyef5ApycA7FSEOMraay9SaTk5zmbx7Tu+cJs4QKZg=
-modernc.org/opt v0.1.4/go.mod h1:03fq9lsNfvkYSfxrfUhZCWPk1lm4cq4N+Bh//bEtgns=
+modernc.org/opt v0.2.0/go.mod h1:03fq9lsNfvkYSfxrfUhZCWPk1lm4cq4N+Bh//bEtgns=
-modernc.org/quickjs v0.17.1 h1:CbYnbTf7ksZk9YZ1rRM2Ab1Zfi+X6s50kXiOhpd2NIg=
+modernc.org/quickjs v0.18.1 h1:exrw1Bp1smLUVXiZ4M9yfUP24EeU1C2wCKD1IHN2JFk=
-modernc.org/quickjs v0.17.1/go.mod h1:hATT7DIJc33I5Q/Fjffhm0tpUHNSqdKHma/ossibTA0=
+modernc.org/quickjs v0.18.1/go.mod h1:wMyqS7/VurEMUms6XwVQoX7UhJakAr9EMc8aPSL5Xjc=
 modernc.org/sortutil v1.2.1 h1:+xyoGf15mM3NMlPDnFqrteY07klSFxLElE2PVuWIJ7w=
 modernc.org/sortutil v1.2.1/go.mod h1:7ZI3a3REbai7gzCLcotuw9AC4VZVpYMjDzETGsSMqJE=
-modernc.org/sqlite v1.47.0 h1:R1XyaNpoW4Et9yly+I2EeX7pBza/w+pmYee/0HJDyKk=
+modernc.org/sqlite v1.50.0 h1:eMowQSWLK0MeiQTdmz3lqoF5dqclujdlIKeJA11+7oM=
-modernc.org/sqlite v1.47.0/go.mod h1:hWjRO6Tj/5Ik8ieqxQybiEOUXy0NJFNp2tpvVpKlvig=
+modernc.org/sqlite v1.50.0/go.mod h1:m0w8xhwYUVY3H6pSDwc3gkJ/irZT/0YEXwBlhaxQEew=
 modernc.org/strutil v1.2.1 h1:UneZBkQA+DX2Rp35KcM69cSsNES9ly8mQWD71HKlOA0=
 modernc.org/strutil v1.2.1/go.mod h1:EHkiggD70koQxjVdSBM3JKM7k6L0FbGE5eymy9i3B9A=
 modernc.org/token v1.1.0 h1:Xl7Ap9dKaEs5kLoOQeQmPWevfnk/DM5qcLcYlA8ys6Y=

internal/api/api.go

@@ -1,4 +1,4 @@
-package showbridge
+package api
 
 import (
 	"context"
@@ -6,60 +6,80 @@ import (
 	"encoding/json"
 	"fmt"
 	"io"
+	"log/slog"
 	"net/http"
+	"sync"
 	"time"
 
+	"github.com/jwetzell/showbridge-go/internal/common"
 	"github.com/jwetzell/showbridge-go/internal/config"
-	"github.com/jwetzell/showbridge-go/internal/module"
-	"github.com/jwetzell/showbridge-go/internal/route"
 	"github.com/jwetzell/showbridge-go/internal/schema"
 )
 
-func (r *Router) startAPIServer(config config.ApiConfig) {
+type ApiServer struct {
-	if !config.Enabled {
+	config             config.ApiConfig
-		r.logger.Warn("API not enabled")
+	serverMu           sync.Mutex
+	server             *http.Server
+	shutdown           context.CancelFunc
+	logger             *slog.Logger
+	configurableRouter config.Configurable
+	eventRouter        common.EventRouter
+}
+
+func NewApiServer(configurableRouter config.Configurable, eventRouter common.EventRouter) *ApiServer {
+	return &ApiServer{
+		configurableRouter: configurableRouter,
+		eventRouter:        eventRouter,
+		logger:             slog.Default().With("component", "api"),
+	}
+}
+
+func (as *ApiServer) Start(config config.ApiConfig) {
+	as.config = config
+	if !as.config.Enabled {
+		as.logger.Warn("not enabled")
 		return
 	}
-	r.logger.Debug("starting API server", "port", config.Port)
+	as.logger.Debug("starting", "port", as.config.Port)
 	mux := http.NewServeMux()
-	mux.HandleFunc("/ws", r.handleWebsocket)
+	mux.HandleFunc("/ws", as.handleWebsocket)
-	mux.HandleFunc("/health", r.handleHealthHTTP)
+	mux.HandleFunc("/health", as.handleHealthHTTP)
-	mux.HandleFunc("/api/v1/config", r.handleConfigHTTP)
+	mux.HandleFunc("/api/v1/config", as.handleConfigHTTP)
 	mux.HandleFunc("/schema/config.schema.json", handleConfigSchema)
 	mux.HandleFunc("/schema/routes.schema.json", handleRoutesSchema)
 	mux.HandleFunc("/schema/modules.schema.json", handleModulesSchema)
 	mux.HandleFunc("/schema/processors.schema.json", handleProcessorsSchema)
 
-	r.apiServerMu.Lock()
+	as.serverMu.Lock()
-	defer r.apiServerMu.Unlock()
+	defer as.serverMu.Unlock()
-	r.apiServer = &http.Server{
+	as.server = &http.Server{
-		Addr:    fmt.Sprintf(":%d", config.Port),
+		Addr:    fmt.Sprintf(":%d", as.config.Port),
 		Handler: mux,
 	}
 
 	go func() {
-		r.apiServer.ListenAndServe()
+		as.server.ListenAndServe()
-		r.apiServerShutdown()
+		as.shutdown()
 	}()
 }
 
-func (r *Router) stopAPIServer() {
+func (as *ApiServer) Stop() {
-	if r.apiServer == nil {
+	if as.server == nil {
 		return
 	}
-	r.logger.Debug("stopping API server")
+	as.logger.Debug("stopping")
-	r.apiServerMu.Lock()
+	as.serverMu.Lock()
-	defer r.apiServerMu.Unlock()
+	defer as.serverMu.Unlock()
-	if r.apiServer != nil {
+	if as.server != nil {
 		apiShutdownCtx, apiShutdownCancel := context.WithTimeout(context.Background(), 5*time.Second)
-		r.apiServerShutdown = apiShutdownCancel
+		as.shutdown = apiShutdownCancel
-		r.apiServer.Shutdown(apiShutdownCtx)
+		as.server.Shutdown(apiShutdownCtx)
 		<-apiShutdownCtx.Done()
-		r.apiServer = nil
+		as.server = nil
 	}
 }
 
-func (r *Router) handleHealthHTTP(w http.ResponseWriter, req *http.Request) {
+func (as *ApiServer) handleHealthHTTP(w http.ResponseWriter, req *http.Request) {
 	switch req.Method {
 	case http.MethodGet:
 		w.Header().Set("Access-Control-Allow-Origin", "*")
@@ -75,11 +95,11 @@ func (r *Router) handleHealthHTTP(w http.ResponseWriter, req *http.Request) {
 	}
 }
 
-func (r *Router) handleConfigHTTP(w http.ResponseWriter, req *http.Request) {
+func (as *ApiServer) handleConfigHTTP(w http.ResponseWriter, req *http.Request) {
 
 	switch req.Method {
 	case http.MethodGet:
-		configJSON, err := json.Marshal(r.runningConfig)
+		configJSON, err := json.Marshal(as.configurableRouter.GetRunningConfig())
 		if err != nil {
 			http.Error(w, "Internal server error", http.StatusInternalServerError)
 			return
@@ -89,10 +109,6 @@ func (r *Router) handleConfigHTTP(w http.ResponseWriter, req *http.Request) {
 		w.Header().Set("Content-Type", "application/json")
 		w.Write(configJSON)
 	case http.MethodPut:
-		if r.updatingConfig {
-			http.Error(w, "Config update in progress.", http.StatusConflict)
-			return
-		}
 		//TODO(jwetzell): again way too much marshaling
 		cfgBytes, err := io.ReadAll(req.Body)
 		if err != nil {
@@ -132,11 +148,15 @@ func (r *Router) handleConfigHTTP(w http.ResponseWriter, req *http.Request) {
 			http.Error(w, "Bad request", http.StatusBadRequest)
 			return
 		}
-		moduleErrors, routeErrors := r.UpdateConfig(newConfig)
+		err, moduleErrors, routeErrors := as.configurableRouter.UpdateConfig(newConfig, true)
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusConflict)
+			return
+		}
 		if len(moduleErrors) > 0 || len(routeErrors) > 0 {
 			errorResponse := struct {
-				ModuleErrors []module.ModuleError `json:"moduleErrors,omitempty"`
+				ModuleErrors []config.ModuleError `json:"moduleErrors,omitempty"`
-				RouteErrors  []route.RouteError   `json:"routeErrors,omitempty"`
+				RouteErrors  []config.RouteError  `json:"routeErrors,omitempty"`
 			}{
 				ModuleErrors: moduleErrors,
 				RouteErrors:  routeErrors,
@@ -154,7 +174,6 @@ func (r *Router) handleConfigHTTP(w http.ResponseWriter, req *http.Request) {
 		}
 		w.Header().Set("Access-Control-Allow-Origin", "*")
 		w.WriteHeader(http.StatusOK)
-		r.ConfigChange <- newConfig
 	case http.MethodOptions:
 		w.Header().Set("Access-Control-Allow-Origin", "*")
 		w.Header().Set("Access-Control-Allow-Methods", "GET, PUT, OPTIONS")

internal/api/websocket.go

@@ -0,0 +1,82 @@
+package api
+
+import (
+	"encoding/json"
+	"net/http"
+
+	"github.com/gorilla/websocket"
+	"github.com/jwetzell/showbridge-go/internal/common"
+)
+
+var upgrader = websocket.Upgrader{
+	CheckOrigin: func(r *http.Request) bool {
+		return true
+	},
+}
+
+type WebsocketEventDestination struct {
+	conn *websocket.Conn
+}
+
+func (d WebsocketEventDestination) Send(event common.Event) error {
+	eventJSON, err := event.ToJSON()
+	if err != nil {
+		return err
+	}
+	return d.conn.WriteMessage(websocket.TextMessage, eventJSON)
+}
+
+func (d WebsocketEventDestination) Is(dest common.EventDestination) bool {
+	other, ok := dest.(WebsocketEventDestination)
+	if !ok {
+		return false
+	}
+	return d.conn == other.conn
+}
+
+func (as *ApiServer) handleWebsocket(w http.ResponseWriter, req *http.Request) {
+	conn, err := upgrader.Upgrade(w, req, nil)
+	if err != nil {
+		as.logger.Error("websocket upgrade error", "error", err)
+		return
+	}
+	defer conn.Close()
+
+	eventDestination := WebsocketEventDestination{conn: conn}
+
+	as.eventRouter.AddEventDestination(eventDestination)
+READ_LOOP:
+	for {
+		messageType, message, err := conn.ReadMessage()
+		if err != nil {
+			_, ok := err.(*websocket.CloseError)
+			if ok {
+				break READ_LOOP
+			}
+		}
+
+		switch messageType {
+		case websocket.TextMessage, websocket.BinaryMessage:
+			event := common.Event{}
+			err = json.Unmarshal(message, &event)
+			if err != nil {
+				as.logger.Error("websocket message unmarshal error", "error", err)
+				continue
+			}
+			as.eventRouter.HandleEvent(event, WebsocketEventDestination{conn: conn})
+		case websocket.CloseMessage:
+			break READ_LOOP
+		case websocket.PingMessage:
+			err = conn.WriteMessage(websocket.PongMessage, nil)
+			if err != nil {
+				as.logger.Error("websocket pong error", "error", err)
+			}
+		default:
+			as.logger.Warn("unsupported websocket message type", "type", messageType)
+			continue
+		}
+
+	}
+	//NOTE(jwetzell): remove ws connection
+	as.eventRouter.RemoveEventDestination(eventDestination)
+}

internal/common/events.go

@@ -0,0 +1,26 @@
+package common
+
+import (
+	"encoding/json"
+)
+
+type Event struct {
+	Type  string `json:"type"`
+	Data  any    `json:"data,omitempty"`
+	Error string `json:"error,omitempty"`
+}
+
+func (e Event) ToJSON() ([]byte, error) {
+	return json.Marshal(e)
+}
+
+type EventDestination interface {
+	Send(event Event) error
+	Is(dest EventDestination) bool
+}
+
+type EventRouter interface {
+	HandleEvent(event Event, source EventDestination)
+	AddEventDestination(dest EventDestination)
+	RemoveEventDestination(dest EventDestination)
+}

internal/common/routing.go

@@ -1,6 +1,8 @@
 package common
 
-import "context"
+import (
+	"context"
+)
 
 type RouteIO interface {
 	HandleInput(ctx context.Context, sourceId string, payload any) (bool, []RouteIOError)

internal/config/config.go

@@ -5,3 +5,8 @@ type Config struct {
 	Modules []ModuleConfig `json:"modules"`
 	Routes  []RouteConfig  `json:"routes"`
 }
+
+type Configurable interface {
+	UpdateConfig(newConfig Config, triggerChangeChannel bool) (error, []ModuleError, []RouteError)
+	GetRunningConfig() Config
+}

internal/config/module.go

@@ -5,3 +5,9 @@ type ModuleConfig struct {
 	Type   string `json:"type"`
 	Params Params `json:"params,omitempty"`
 }
+
+type ModuleError struct {
+	Index  int          `json:"index"`
+	Config ModuleConfig `json:"config"`
+	Error  string       `json:"error"`
+}

internal/config/route.go

@@ -4,3 +4,9 @@ type RouteConfig struct {
 	Input      string            `json:"input"`
 	Processors []ProcessorConfig `json:"processors"`
 }
+
+type RouteError struct {
+	Index  int         `json:"index"`
+	Config RouteConfig `json:"config"`
+	Error  string      `json:"error"`
+}

internal/module/db-sqlite.go

@@ -36,6 +36,7 @@ func init() {
 				},
 			},
 			Required:             []string{"dsn"},
+			AdditionalProperties: &jsonschema.Schema{Not: &jsonschema.Schema{}},
 		},
 		New: func(config config.ModuleConfig) (common.Module, error) {
 			params := config.Params

internal/module/http-server.go

@@ -69,7 +69,7 @@ func init() {
 				},
 			},
 			Required:             []string{"port"},
-			AdditionalProperties: nil,
+			AdditionalProperties: &jsonschema.Schema{Not: &jsonschema.Schema{}},
 		},
 		New: func(config config.ModuleConfig) (common.Module, error) {
 			params := config.Params

internal/module/midi-input.go

@@ -38,7 +38,7 @@ func init() {
 				},
 			},
 			Required:             []string{"port"},
-			AdditionalProperties: nil,
+			AdditionalProperties: &jsonschema.Schema{Not: &jsonschema.Schema{}},
 		},
 		New: func(config config.ModuleConfig) (common.Module, error) {
 			params := config.Params

internal/module/midi-output.go

@@ -38,7 +38,7 @@ func init() {
 				},
 			},
 			Required:             []string{"port"},
-			AdditionalProperties: nil,
+			AdditionalProperties: &jsonschema.Schema{Not: &jsonschema.Schema{}},
 		},
 		New: func(config config.ModuleConfig) (common.Module, error) {
 			params := config.Params

internal/module/module.go

@@ -10,12 +10,6 @@ import (
 	"github.com/jwetzell/showbridge-go/internal/config"
 )
 
-type ModuleError struct {
-	Index  int                 `json:"index"`
-	Config config.ModuleConfig `json:"config"`
-	Error  string              `json:"error"`
-}
-
 type ModuleRegistration struct {
 	Type         string             `json:"type"`
 	Title        string             `json:"title,omitempty"`

internal/module/mqtt-client.go

@@ -45,7 +45,7 @@ func init() {
 				},
 			},
 			Required:             []string{"broker", "topic", "clientId"},
-			AdditionalProperties: nil,
+			AdditionalProperties: &jsonschema.Schema{Not: &jsonschema.Schema{}},
 		},
 		New: func(config config.ModuleConfig) (common.Module, error) {
 			params := config.Params

internal/module/nats-client.go

@@ -40,7 +40,7 @@ func init() {
 				},
 			},
 			Required:             []string{"url", "subject"},
-			AdditionalProperties: nil,
+			AdditionalProperties: &jsonschema.Schema{Not: &jsonschema.Schema{}},
 		},
 		New: func(config config.ModuleConfig) (common.Module, error) {
 			params := config.Params

internal/module/nats-server.go

@@ -47,8 +47,7 @@ func init() {
 				},
 			},
 			Required:             []string{},
-
+			AdditionalProperties: &jsonschema.Schema{Not: &jsonschema.Schema{}},
-			AdditionalProperties: nil,
 		},
 		New: func(moduleConfig config.ModuleConfig) (common.Module, error) {
 			params := moduleConfig.Params

internal/module/psn-client.go

@@ -27,7 +27,6 @@ func init() {
 		Type:  "psn.client",
 		Title: "PosiStageNet Client",
 		New: func(config config.ModuleConfig) (common.Module, error) {
-
 			return &PSNClient{config: config, decoder: psn.NewDecoder(), logger: CreateLogger(config)}, nil
 		},
 	})

internal/module/redis-client.go

@@ -40,7 +40,7 @@ func init() {
 				},
 			},
 			Required:             []string{"host", "port"},
-			AdditionalProperties: nil,
+			AdditionalProperties: &jsonschema.Schema{Not: &jsonschema.Schema{}},
 		},
 		New: func(config config.ModuleConfig) (common.Module, error) {
 			params := config.Params

internal/module/serial-client.go

@@ -45,7 +45,7 @@ func init() {
 				},
 			},
 			Required:             []string{"port", "baudRate"},
-			AdditionalProperties: nil,
+			AdditionalProperties: &jsonschema.Schema{Not: &jsonschema.Schema{}},
 		},
 		New: func(config config.ModuleConfig) (common.Module, error) {
 			params := config.Params

internal/module/sip-call-server.go

@@ -77,7 +77,7 @@ func init() {
 				},
 			},
 			Required:             []string{},
-			AdditionalProperties: nil,
+			AdditionalProperties: &jsonschema.Schema{Not: &jsonschema.Schema{}},
 		},
 		New: func(moduleConfig config.ModuleConfig) (common.Module, error) {
 			params := moduleConfig.Params

internal/module/sip-dtmf-server.go

@@ -83,7 +83,7 @@ func init() {
 				},
 			},
 			Required:             []string{"separator"},
-			AdditionalProperties: nil,
+			AdditionalProperties: &jsonschema.Schema{Not: &jsonschema.Schema{}},
 		},
 		New: func(moduleConfig config.ModuleConfig) (common.Module, error) {
 			params := moduleConfig.Params

internal/module/tcp-client.go

@@ -49,7 +49,7 @@ func init() {
 				},
 			},
 			Required:             []string{"host", "port", "framing"},
-			AdditionalProperties: nil,
+			AdditionalProperties: &jsonschema.Schema{Not: &jsonschema.Schema{}},
 		},
 		New: func(config config.ModuleConfig) (common.Module, error) {
 			params := config.Params

internal/module/tcp-server.go

@@ -57,7 +57,7 @@ func init() {
 				},
 			},
 			Required:             []string{"port", "framing"},
-			AdditionalProperties: nil,
+			AdditionalProperties: &jsonschema.Schema{Not: &jsonschema.Schema{}},
 		},
 		New: func(moduleConfig config.ModuleConfig) (common.Module, error) {
 			params := moduleConfig.Params

internal/module/time-interval.go

@@ -36,7 +36,7 @@ func init() {
 				},
 			},
 			Required:             []string{"duration"},
-			AdditionalProperties: nil,
+			AdditionalProperties: &jsonschema.Schema{Not: &jsonschema.Schema{}},
 		},
 		New: func(config config.ModuleConfig) (common.Module, error) {
 			params := config.Params

internal/module/time-timer.go

@@ -36,7 +36,7 @@ func init() {
 				},
 			},
 			Required:             []string{"duration"},
-			AdditionalProperties: nil,
+			AdditionalProperties: &jsonschema.Schema{Not: &jsonschema.Schema{}},
 		},
 		New: func(config config.ModuleConfig) (common.Module, error) {
 			params := config.Params

internal/module/udp-client.go

@@ -42,7 +42,7 @@ func init() {
 				},
 			},
 			Required:             []string{"host", "port"},
-			AdditionalProperties: nil,
+			AdditionalProperties: &jsonschema.Schema{Not: &jsonschema.Schema{}},
 		},
 		New: func(config config.ModuleConfig) (common.Module, error) {
 			params := config.Params

internal/module/udp-multicast.go

@@ -42,7 +42,7 @@ func init() {
 				},
 			},
 			Required:             []string{"ip", "port"},
-			AdditionalProperties: nil,
+			AdditionalProperties: &jsonschema.Schema{Not: &jsonschema.Schema{}},
 		},
 		New: func(moduleConfig config.ModuleConfig) (common.Module, error) {
 			params := moduleConfig.Params

internal/module/udp-server.go

@@ -51,7 +51,7 @@ func init() {
 				},
 			},
 			Required:             []string{"port"},
-			AdditionalProperties: nil,
+			AdditionalProperties: &jsonschema.Schema{Not: &jsonschema.Schema{}},
 		},
 		New: func(moduleConfig config.ModuleConfig) (common.Module, error) {
 			params := moduleConfig.Params

internal/processor/filter-expr.go

@@ -59,7 +59,7 @@ func init() {
 				},
 			},
 			Required:             []string{"expression"},
-			AdditionalProperties: nil,
+			AdditionalProperties: &jsonschema.Schema{Not: &jsonschema.Schema{}},
 		},
 		New: func(config config.ProcessorConfig) (Processor, error) {
 			params := config.Params

internal/processor/filter-regex.go

@@ -51,7 +51,7 @@ func init() {
 				},
 			},
 			Required:             []string{"pattern"},
-			AdditionalProperties: nil,
+			AdditionalProperties: &jsonschema.Schema{Not: &jsonschema.Schema{}},
 		},
 		New: func(config config.ProcessorConfig) (Processor, error) {
 			params := config.Params

internal/processor/float-parse.go

@@ -53,7 +53,7 @@ func init() {
 					Default: json.RawMessage("64"),
 				},
 			},
-			AdditionalProperties: nil,
+			AdditionalProperties: &jsonschema.Schema{Not: &jsonschema.Schema{}},
 		},
 		New: func(moduleConfig config.ProcessorConfig) (Processor, error) {
 			params := moduleConfig.Params

internal/processor/float-random.go

@@ -61,7 +61,7 @@ func init() {
 				},
 			},
 			Required:             []string{"min", "max"},
-			AdditionalProperties: nil,
+			AdditionalProperties: &jsonschema.Schema{Not: &jsonschema.Schema{}},
 		},
 		New: func(processorConfig config.ProcessorConfig) (Processor, error) {
 			params := processorConfig.Params

internal/processor/free-d-create.go

@@ -259,7 +259,7 @@ func init() {
 				"zoom",
 				"focus",
 			},
-			AdditionalProperties: nil,
+			AdditionalProperties: &jsonschema.Schema{Not: &jsonschema.Schema{}},
 		},
 		New: func(config config.ProcessorConfig) (Processor, error) {
 

internal/processor/http-request-do.go

@@ -87,7 +87,7 @@ func init() {
 				},
 			},
 			Required:             []string{"method", "url"},
-			AdditionalProperties: nil,
+			AdditionalProperties: &jsonschema.Schema{Not: &jsonschema.Schema{}},
 		},
 		New: func(config config.ProcessorConfig) (Processor, error) {
 			params := config.Params

internal/processor/http-response-create.go

@@ -60,7 +60,7 @@ func init() {
 				},
 			},
 			Required:             []string{"status", "body"},
-			AdditionalProperties: nil,
+			AdditionalProperties: &jsonschema.Schema{Not: &jsonschema.Schema{}},
 		},
 		New: func(config config.ProcessorConfig) (Processor, error) {
 			params := config.Params

internal/processor/int-parse.go

@@ -60,7 +60,7 @@ func init() {
 					Default: json.RawMessage("64"),
 				},
 			},
-			AdditionalProperties: nil,
+			AdditionalProperties: &jsonschema.Schema{Not: &jsonschema.Schema{}},
 		},
 		New: func(moduleConfig config.ProcessorConfig) (Processor, error) {
 			params := moduleConfig.Params

internal/processor/int-random.go

@@ -44,7 +44,7 @@ func init() {
 				},
 			},
 			Required:             []string{"min", "max"},
-			AdditionalProperties: nil,
+			AdditionalProperties: &jsonschema.Schema{Not: &jsonschema.Schema{}},
 		},
 		New: func(config config.ProcessorConfig) (Processor, error) {
 			params := config.Params

internal/processor/int-scale.go

@@ -60,7 +60,7 @@ func init() {
 				},
 			},
 			Required:             []string{"inMin", "inMax", "outMin", "outMax"},
-			AdditionalProperties: nil,
+			AdditionalProperties: &jsonschema.Schema{Not: &jsonschema.Schema{}},
 		},
 		New: func(config config.ProcessorConfig) (Processor, error) {
 			params := config.Params

internal/processor/kv-get.go

@@ -67,7 +67,7 @@ func init() {
 				},
 			},
 			Required:             []string{"module", "key"},
-			AdditionalProperties: nil,
+			AdditionalProperties: &jsonschema.Schema{Not: &jsonschema.Schema{}},
 		},
 		New: func(config config.ProcessorConfig) (Processor, error) {
 

internal/processor/kv-set.go

@@ -82,7 +82,7 @@ func init() {
 				},
 			},
 			Required:             []string{"module", "key", "value"},
-			AdditionalProperties: nil,
+			AdditionalProperties: &jsonschema.Schema{Not: &jsonschema.Schema{}},
 		},
 		New: func(config config.ProcessorConfig) (Processor, error) {
 

internal/processor/midi-control_change-create.go

@@ -0,0 +1,134 @@
+//go:build cgo
+
+package processor
+
+import (
+	"bytes"
+	"context"
+	"fmt"
+	"strconv"
+	"text/template"
+
+	"github.com/google/jsonschema-go/jsonschema"
+	"github.com/jwetzell/showbridge-go/internal/common"
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"gitlab.com/gomidi/midi/v2"
+)
+
+type MIDIControlChangeCreate struct {
+	config  config.ProcessorConfig
+	Channel *template.Template
+	Control *template.Template
+	Value   *template.Template
+}
+
+func (mccc *MIDIControlChangeCreate) Process(ctx context.Context, wrappedPayload common.WrappedPayload) (common.WrappedPayload, error) {
+	templateData := wrappedPayload
+
+	var channelBuffer bytes.Buffer
+	err := mccc.Channel.Execute(&channelBuffer, templateData)
+
+	if err != nil {
+		wrappedPayload.End = true
+		return wrappedPayload, err
+	}
+
+	channelValue, err := strconv.ParseUint(channelBuffer.String(), 10, 8)
+
+	var controlBuffer bytes.Buffer
+	err = mccc.Control.Execute(&controlBuffer, templateData)
+
+	if err != nil {
+		wrappedPayload.End = true
+		return wrappedPayload, err
+	}
+
+	controlValue, err := strconv.ParseUint(controlBuffer.String(), 10, 8)
+
+	var valueBuffer bytes.Buffer
+	err = mccc.Value.Execute(&valueBuffer, templateData)
+
+	if err != nil {
+		wrappedPayload.End = true
+		return wrappedPayload, err
+	}
+
+	valueValue, err := strconv.ParseUint(valueBuffer.String(), 10, 8)
+
+	payloadMessage := midi.ControlChange(uint8(channelValue), uint8(controlValue), uint8(valueValue))
+	wrappedPayload.Payload = payloadMessage
+	return wrappedPayload, nil
+}
+
+func (mccc *MIDIControlChangeCreate) Type() string {
+	return mccc.config.Type
+}
+
+func init() {
+	RegisterProcessor(ProcessorRegistration{
+		Type:  "midi.control_change.create",
+		Title: "Create MIDI Control Change Message",
+		ParamsSchema: &jsonschema.Schema{
+			Type: "object",
+			Properties: map[string]*jsonschema.Schema{
+				"channel": {
+					Title: "Channel",
+					Type:  "string",
+				},
+				"control": {
+					Title: "Control",
+					Type:  "string",
+				},
+				"value": {
+					Title: "Value",
+					Type:  "string",
+				},
+			},
+			Required:             []string{"channel", "control", "value"},
+			AdditionalProperties: &jsonschema.Schema{Not: &jsonschema.Schema{}},
+		},
+		New: func(config config.ProcessorConfig) (Processor, error) {
+
+			params := config.Params
+
+			channelString, err := params.GetString("channel")
+			if err != nil {
+				return nil, fmt.Errorf("midi.control_change.create channel error: %w", err)
+			}
+
+			channelTemplate, err := template.New("channel").Parse(channelString)
+
+			if err != nil {
+				return nil, err
+			}
+
+			controlString, err := params.GetString("control")
+			if err != nil {
+				return nil, fmt.Errorf("midi.control_change.create control error: %w", err)
+			}
+
+			controlTemplate, err := template.New("control").Parse(controlString)
+
+			if err != nil {
+				return nil, err
+			}
+
+			valueString, err := params.GetString("value")
+			if err != nil {
+				return nil, fmt.Errorf("midi.control_change.create value error: %w", err)
+			}
+
+			valueTemplate, err := template.New("value").Parse(valueString)
+
+			if err != nil {
+				return nil, err
+			}
+			return &MIDIControlChangeCreate{
+				config:  config,
+				Channel: channelTemplate,
+				Control: controlTemplate,
+				Value:   valueTemplate,
+			}, nil
+		},
+	})
+}

internal/processor/midi-message-create.go

@@ -1,439 +0,0 @@
-//go:build cgo
-
-package processor
-
-import (
-	"bytes"
-	"context"
-	"fmt"
-	"strconv"
-	"text/template"
-
-	"github.com/google/jsonschema-go/jsonschema"
-	"github.com/jwetzell/showbridge-go/internal/common"
-	"github.com/jwetzell/showbridge-go/internal/config"
-	"gitlab.com/gomidi/midi/v2"
-)
-
-// TODO(jwetzell): support using numbers in config file treated as hardcoded values
-type MIDIMessageCreate struct {
-	config      config.ProcessorConfig
-	ProcessFunc func(ctx context.Context, wrappedPayload common.WrappedPayload) (common.WrappedPayload, error)
-}
-
-func (mmc *MIDIMessageCreate) Process(ctx context.Context, wrappedPayload common.WrappedPayload) (common.WrappedPayload, error) {
-	return mmc.ProcessFunc(ctx, wrappedPayload)
-}
-
-func (mmc *MIDIMessageCreate) Type() string {
-	return mmc.config.Type
-}
-
-func newMidiNoteOnCreate(config config.ProcessorConfig) (Processor, error) {
-
-	params := config.Params
-
-	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)
-
-	if err != nil {
-		return nil, err
-	}
-
-	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)
-
-	if err != nil {
-		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, wrappedPayload common.WrappedPayload) (common.WrappedPayload, error) {
-		templateData := wrappedPayload
-
-		var channelBuffer bytes.Buffer
-		err := channelTemplate.Execute(&channelBuffer, templateData)
-
-		if err != nil {
-			wrappedPayload.End = true
-			return wrappedPayload, err
-		}
-
-		channelValue, err := strconv.ParseUint(channelBuffer.String(), 10, 8)
-
-		var noteBuffer bytes.Buffer
-		err = noteTemplate.Execute(&noteBuffer, templateData)
-
-		if err != nil {
-			wrappedPayload.End = true
-			return wrappedPayload, err
-		}
-
-		noteValue, err := strconv.ParseUint(noteBuffer.String(), 10, 8)
-
-		var velocityBuffer bytes.Buffer
-		err = velocityTemplate.Execute(&velocityBuffer, templateData)
-
-		if err != nil {
-			wrappedPayload.End = true
-			return wrappedPayload, err
-		}
-
-		velocityValue, err := strconv.ParseUint(velocityBuffer.String(), 10, 8)
-		payloadMessage := midi.NoteOn(uint8(channelValue), uint8(noteValue), uint8(velocityValue))
-		wrappedPayload.Payload = payloadMessage
-		return wrappedPayload, nil
-	}}, nil
-}
-
-func newMidiNoteOffCreate(config config.ProcessorConfig) (Processor, error) {
-
-	params := config.Params
-
-	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)
-
-	if err != nil {
-		return nil, err
-	}
-
-	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)
-
-	if err != nil {
-		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, wrappedPayload common.WrappedPayload) (common.WrappedPayload, error) {
-
-		templateData := wrappedPayload
-
-		var channelBuffer bytes.Buffer
-		err := channelTemplate.Execute(&channelBuffer, templateData)
-
-		if err != nil {
-			wrappedPayload.End = true
-			return wrappedPayload, err
-		}
-
-		channelValue, err := strconv.ParseUint(channelBuffer.String(), 10, 8)
-
-		var noteBuffer bytes.Buffer
-		err = noteTemplate.Execute(&noteBuffer, templateData)
-
-		if err != nil {
-			wrappedPayload.End = true
-			return wrappedPayload, err
-		}
-
-		noteValue, err := strconv.ParseUint(noteBuffer.String(), 10, 8)
-
-		var velocityBuffer bytes.Buffer
-		err = velocityTemplate.Execute(&velocityBuffer, templateData)
-
-		if err != nil {
-			wrappedPayload.End = true
-			return wrappedPayload, err
-		}
-
-		velocityValue, err := strconv.ParseUint(velocityBuffer.String(), 10, 8)
-
-		payloadMessage := midi.NoteOffVelocity(uint8(channelValue), uint8(noteValue), uint8(velocityValue))
-		wrappedPayload.Payload = payloadMessage
-		return wrappedPayload, nil
-	}}, nil
-}
-
-func newMidiControlChangeCreate(config config.ProcessorConfig) (Processor, error) {
-
-	params := config.Params
-
-	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)
-
-	if err != nil {
-		return nil, err
-	}
-
-	controlString, err := params.GetString("control")
-	if err != nil {
-		return nil, fmt.Errorf("midi.message.create control error: %w", err)
-	}
-
-	controlTemplate, err := template.New("control").Parse(controlString)
-
-	if err != nil {
-		return nil, err
-	}
-
-	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)
-
-	if err != nil {
-		return nil, err
-	}
-
-	return &MIDIMessageCreate{config: config, ProcessFunc: func(ctx context.Context, wrappedPayload common.WrappedPayload) (common.WrappedPayload, error) {
-
-		templateData := wrappedPayload
-
-		var channelBuffer bytes.Buffer
-		err := channelTemplate.Execute(&channelBuffer, templateData)
-
-		if err != nil {
-			wrappedPayload.End = true
-			return wrappedPayload, err
-		}
-
-		channelValue, err := strconv.ParseUint(channelBuffer.String(), 10, 8)
-
-		var controlBuffer bytes.Buffer
-		err = controlTemplate.Execute(&controlBuffer, templateData)
-
-		if err != nil {
-			wrappedPayload.End = true
-			return wrappedPayload, err
-		}
-
-		controlValue, err := strconv.ParseUint(controlBuffer.String(), 10, 8)
-
-		var valueBuffer bytes.Buffer
-		err = valueTemplate.Execute(&valueBuffer, templateData)
-
-		if err != nil {
-			wrappedPayload.End = true
-			return wrappedPayload, err
-		}
-
-		valueValue, err := strconv.ParseUint(valueBuffer.String(), 10, 8)
-
-		payloadMessage := midi.ControlChange(uint8(channelValue), uint8(controlValue), uint8(valueValue))
-		wrappedPayload.Payload = payloadMessage
-		return wrappedPayload, nil
-	}}, nil
-}
-
-func newMidiProgramChangeCreate(config config.ProcessorConfig) (Processor, error) {
-
-	params := config.Params
-
-	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)
-
-	if err != nil {
-		return nil, err
-	}
-
-	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)
-
-	if err != nil {
-		return nil, err
-	}
-
-	return &MIDIMessageCreate{config: config, ProcessFunc: func(ctx context.Context, wrappedPayload common.WrappedPayload) (common.WrappedPayload, error) {
-		templateData := wrappedPayload
-
-		var channelBuffer bytes.Buffer
-		err := channelTemplate.Execute(&channelBuffer, templateData)
-
-		if err != nil {
-			wrappedPayload.End = true
-			return wrappedPayload, err
-		}
-
-		channelValue, err := strconv.ParseUint(channelBuffer.String(), 10, 8)
-
-		var programBuffer bytes.Buffer
-		err = programTemplate.Execute(&programBuffer, templateData)
-
-		if err != nil {
-			wrappedPayload.End = true
-			return wrappedPayload, err
-		}
-
-		programValue, err := strconv.ParseUint(programBuffer.String(), 10, 8)
-
-		payloadMessage := midi.ProgramChange(uint8(channelValue), uint8(programValue))
-		wrappedPayload.Payload = payloadMessage
-		return wrappedPayload, nil
-	}}, nil
-}
-
-func init() {
-	RegisterProcessor(ProcessorRegistration{
-		Type:  "midi.message.create",
-		Title: "Create MIDI Message",
-		ParamsSchema: &jsonschema.Schema{
-			Type: "object",
-			OneOf: []*jsonschema.Schema{
-				{
-					Type: "object",
-					Properties: map[string]*jsonschema.Schema{
-						"type": {
-							Title: "MIDI Message Type",
-							Type:  "string",
-							Enum:  []any{"NoteOn", "noteon", "note_on"},
-						},
-						"channel": {
-							Title: "Channel",
-							Type:  "string",
-						},
-						"note": {
-							Title: "Note",
-							Type:  "string",
-						},
-						"velocity": {
-							Title: "Velocity",
-							Type:  "string",
-						},
-					},
-					Required:             []string{"type", "channel", "note", "velocity"},
-					AdditionalProperties: nil,
-				},
-				{
-					Type: "object",
-					Properties: map[string]*jsonschema.Schema{
-						"type": {
-							Title: "MIDI Message Type",
-							Type:  "string",
-							Enum:  []any{"NoteOff", "noteoff", "note_off"},
-						},
-						"channel": {
-							Title: "Channel",
-							Type:  "string",
-						},
-						"note": {
-							Title: "Note",
-							Type:  "string",
-						},
-						"velocity": {
-							Title: "Velocity",
-							Type:  "string",
-						},
-					},
-					Required:             []string{"type", "channel", "note", "velocity"},
-					AdditionalProperties: nil,
-				},
-				{
-					Type: "object",
-					Properties: map[string]*jsonschema.Schema{
-						"type": {
-							Title: "MIDI Message Type",
-							Type:  "string",
-							Enum:  []any{"ControlChange", "controlchange", "control_change"},
-						},
-						"channel": {
-							Title: "Channel",
-							Type:  "string",
-						},
-						"control": {
-							Title: "Control",
-							Type:  "string",
-						},
-						"value": {
-							Title: "Value",
-							Type:  "string",
-						},
-					},
-					Required:             []string{"type", "channel", "control", "value"},
-					AdditionalProperties: nil,
-				},
-				{
-					Type: "object",
-					Properties: map[string]*jsonschema.Schema{
-						"type": {
-							Title: "MIDI Message Type",
-							Type:  "string",
-							Enum:  []any{"ProgramChange", "programchange", "program_change"},
-						},
-						"channel": {
-							Title: "Channel",
-							Type:  "string",
-						},
-						"program": {
-							Title: "Program",
-							Type:  "string",
-						},
-					},
-					Required:             []string{"type", "channel", "program"},
-					AdditionalProperties: nil,
-				},
-			},
-		},
-		New: func(config config.ProcessorConfig) (Processor, error) {
-			params := config.Params
-
-			msgTypeString, err := params.GetString("type")
-			if err != nil {
-				return nil, fmt.Errorf("midi.message.create type error: %w", err)
-			}
-
-			switch msgTypeString {
-			case "NoteOn", "noteon", "note_on":
-				return newMidiNoteOnCreate(config)
-			case "NoteOff", "noteoff", "note_off":
-				return newMidiNoteOffCreate(config)
-			case "ControlChange", "controlchange", "control_change":
-				return newMidiControlChangeCreate(config)
-			case "ProgramChange", "programchange", "program_change":
-				return newMidiProgramChangeCreate(config)
-			default:
-				return nil, fmt.Errorf("midi.message.create does not support type %s", msgTypeString)
-			}
-		},
-	})
-}

internal/processor/midi-note_off-create.go

@@ -0,0 +1,132 @@
+//go:build cgo
+
+package processor
+
+import (
+	"bytes"
+	"context"
+	"fmt"
+	"strconv"
+	"text/template"
+
+	"github.com/google/jsonschema-go/jsonschema"
+	"github.com/jwetzell/showbridge-go/internal/common"
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"gitlab.com/gomidi/midi/v2"
+)
+
+type MIDINoteOffCreate struct {
+	config   config.ProcessorConfig
+	Channel  *template.Template
+	Note     *template.Template
+	Velocity *template.Template
+}
+
+func (mnoc *MIDINoteOffCreate) Process(ctx context.Context, wrappedPayload common.WrappedPayload) (common.WrappedPayload, error) {
+	templateData := wrappedPayload
+
+	var channelBuffer bytes.Buffer
+	err := mnoc.Channel.Execute(&channelBuffer, templateData)
+
+	if err != nil {
+		wrappedPayload.End = true
+		return wrappedPayload, err
+	}
+
+	channelValue, err := strconv.ParseUint(channelBuffer.String(), 10, 8)
+
+	var noteBuffer bytes.Buffer
+	err = mnoc.Note.Execute(&noteBuffer, templateData)
+
+	if err != nil {
+		wrappedPayload.End = true
+		return wrappedPayload, err
+	}
+
+	noteValue, err := strconv.ParseUint(noteBuffer.String(), 10, 8)
+
+	var velocityBuffer bytes.Buffer
+	err = mnoc.Velocity.Execute(&velocityBuffer, templateData)
+
+	if err != nil {
+		wrappedPayload.End = true
+		return wrappedPayload, err
+	}
+
+	velocityValue, err := strconv.ParseUint(velocityBuffer.String(), 10, 8)
+	payloadMessage := midi.NoteOffVelocity(uint8(channelValue), uint8(noteValue), uint8(velocityValue))
+	wrappedPayload.Payload = payloadMessage
+	return wrappedPayload, nil
+}
+
+func (mnoc *MIDINoteOffCreate) Type() string {
+	return mnoc.config.Type
+}
+
+func init() {
+	RegisterProcessor(ProcessorRegistration{
+		Type:  "midi.note_off.create",
+		Title: "Create MIDI Note Off Message",
+		ParamsSchema: &jsonschema.Schema{
+			Type: "object",
+			Properties: map[string]*jsonschema.Schema{
+				"channel": {
+					Title: "Channel",
+					Type:  "string",
+				},
+				"note": {
+					Title: "Note",
+					Type:  "string",
+				},
+				"velocity": {
+					Title: "Velocity",
+					Type:  "string",
+				},
+			},
+			Required:             []string{"channel", "note", "velocity"},
+			AdditionalProperties: &jsonschema.Schema{Not: &jsonschema.Schema{}},
+		},
+		New: func(config config.ProcessorConfig) (Processor, error) {
+			params := config.Params
+
+			channelString, err := params.GetString("channel")
+			if err != nil {
+				return nil, fmt.Errorf("midi.note_off.create channel error: %w", err)
+			}
+
+			channelTemplate, err := template.New("channel").Parse(channelString)
+
+			if err != nil {
+				return nil, err
+			}
+
+			noteString, err := params.GetString("note")
+			if err != nil {
+				return nil, fmt.Errorf("midi.note_off.create note error: %w", err)
+			}
+
+			noteTemplate, err := template.New("note").Parse(noteString)
+
+			if err != nil {
+				return nil, err
+			}
+
+			velocityString, err := params.GetString("velocity")
+			if err != nil {
+				return nil, fmt.Errorf("midi.note_off.create velocity error: %w", err)
+			}
+
+			velocityTemplate, err := template.New("velocity").Parse(velocityString)
+
+			if err != nil {
+				return nil, err
+			}
+			return &MIDINoteOffCreate{
+				config:   config,
+				Channel:  channelTemplate,
+				Note:     noteTemplate,
+				Velocity: velocityTemplate,
+			}, nil
+		},
+	})
+}

internal/processor/midi-note_on-create.go

@@ -0,0 +1,132 @@
+//go:build cgo
+
+package processor
+
+import (
+	"bytes"
+	"context"
+	"fmt"
+	"strconv"
+	"text/template"
+
+	"github.com/google/jsonschema-go/jsonschema"
+	"github.com/jwetzell/showbridge-go/internal/common"
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"gitlab.com/gomidi/midi/v2"
+)
+
+type MIDINoteOnCreate struct {
+	config   config.ProcessorConfig
+	Channel  *template.Template
+	Note     *template.Template
+	Velocity *template.Template
+}
+
+func (mnoc *MIDINoteOnCreate) Process(ctx context.Context, wrappedPayload common.WrappedPayload) (common.WrappedPayload, error) {
+	templateData := wrappedPayload
+
+	var channelBuffer bytes.Buffer
+	err := mnoc.Channel.Execute(&channelBuffer, templateData)
+
+	if err != nil {
+		wrappedPayload.End = true
+		return wrappedPayload, err
+	}
+
+	channelValue, err := strconv.ParseUint(channelBuffer.String(), 10, 8)
+
+	var noteBuffer bytes.Buffer
+	err = mnoc.Note.Execute(&noteBuffer, templateData)
+
+	if err != nil {
+		wrappedPayload.End = true
+		return wrappedPayload, err
+	}
+
+	noteValue, err := strconv.ParseUint(noteBuffer.String(), 10, 8)
+
+	var velocityBuffer bytes.Buffer
+	err = mnoc.Velocity.Execute(&velocityBuffer, templateData)
+
+	if err != nil {
+		wrappedPayload.End = true
+		return wrappedPayload, err
+	}
+
+	velocityValue, err := strconv.ParseUint(velocityBuffer.String(), 10, 8)
+	payloadMessage := midi.NoteOn(uint8(channelValue), uint8(noteValue), uint8(velocityValue))
+	wrappedPayload.Payload = payloadMessage
+	return wrappedPayload, nil
+}
+
+func (mnoc *MIDINoteOnCreate) Type() string {
+	return mnoc.config.Type
+}
+
+func init() {
+	RegisterProcessor(ProcessorRegistration{
+		Type:  "midi.note_on.create",
+		Title: "Create MIDI Note On Message",
+		ParamsSchema: &jsonschema.Schema{
+			Type: "object",
+			Properties: map[string]*jsonschema.Schema{
+				"channel": {
+					Title: "Channel",
+					Type:  "string",
+				},
+				"note": {
+					Title: "Note",
+					Type:  "string",
+				},
+				"velocity": {
+					Title: "Velocity",
+					Type:  "string",
+				},
+			},
+			Required:             []string{"channel", "note", "velocity"},
+			AdditionalProperties: &jsonschema.Schema{Not: &jsonschema.Schema{}},
+		},
+		New: func(config config.ProcessorConfig) (Processor, error) {
+			params := config.Params
+
+			channelString, err := params.GetString("channel")
+			if err != nil {
+				return nil, fmt.Errorf("midi.note_on.create channel error: %w", err)
+			}
+
+			channelTemplate, err := template.New("channel").Parse(channelString)
+
+			if err != nil {
+				return nil, err
+			}
+
+			noteString, err := params.GetString("note")
+			if err != nil {
+				return nil, fmt.Errorf("midi.note_on.create note error: %w", err)
+			}
+
+			noteTemplate, err := template.New("note").Parse(noteString)
+
+			if err != nil {
+				return nil, err
+			}
+
+			velocityString, err := params.GetString("velocity")
+			if err != nil {
+				return nil, fmt.Errorf("midi.note_on.create velocity error: %w", err)
+			}
+
+			velocityTemplate, err := template.New("velocity").Parse(velocityString)
+
+			if err != nil {
+				return nil, err
+			}
+			return &MIDINoteOnCreate{
+				config:   config,
+				Channel:  channelTemplate,
+				Note:     noteTemplate,
+				Velocity: velocityTemplate,
+			}, nil
+		},
+	})
+}

internal/processor/midi-program_change-create.go

@@ -0,0 +1,106 @@
+//go:build cgo
+
+package processor
+
+import (
+	"bytes"
+	"context"
+	"fmt"
+	"strconv"
+	"text/template"
+
+	"github.com/google/jsonschema-go/jsonschema"
+	"github.com/jwetzell/showbridge-go/internal/common"
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"gitlab.com/gomidi/midi/v2"
+)
+
+type MIDIProgramChangeCreate struct {
+	config  config.ProcessorConfig
+	Channel *template.Template
+	Program *template.Template
+}
+
+func (mpcc *MIDIProgramChangeCreate) Process(ctx context.Context, wrappedPayload common.WrappedPayload) (common.WrappedPayload, error) {
+	templateData := wrappedPayload
+
+	var channelBuffer bytes.Buffer
+	err := mpcc.Channel.Execute(&channelBuffer, templateData)
+
+	if err != nil {
+		wrappedPayload.End = true
+		return wrappedPayload, err
+	}
+
+	channelValue, err := strconv.ParseUint(channelBuffer.String(), 10, 8)
+
+	var programBuffer bytes.Buffer
+	err = mpcc.Program.Execute(&programBuffer, templateData)
+
+	if err != nil {
+		wrappedPayload.End = true
+		return wrappedPayload, err
+	}
+
+	programValue, err := strconv.ParseUint(programBuffer.String(), 10, 8)
+
+	payloadMessage := midi.ProgramChange(uint8(channelValue), uint8(programValue))
+	wrappedPayload.Payload = payloadMessage
+	return wrappedPayload, nil
+}
+
+func (mpcc *MIDIProgramChangeCreate) Type() string {
+	return mpcc.config.Type
+}
+
+func init() {
+	RegisterProcessor(ProcessorRegistration{
+		Type:  "midi.program_change.create",
+		Title: "Create MIDI Prgoram Change Message",
+		ParamsSchema: &jsonschema.Schema{
+			Type: "object",
+			Properties: map[string]*jsonschema.Schema{
+				"channel": {
+					Title: "Channel",
+					Type:  "string",
+				},
+				"program": {
+					Title: "Program",
+					Type:  "string",
+				},
+			},
+			Required:             []string{"type", "channel", "program"},
+			AdditionalProperties: &jsonschema.Schema{Not: &jsonschema.Schema{}},
+		},
+		New: func(config config.ProcessorConfig) (Processor, error) {
+			params := config.Params
+
+			channelString, err := params.GetString("channel")
+			if err != nil {
+				return nil, fmt.Errorf("midi.program_change.create channel error: %w", err)
+			}
+
+			channelTemplate, err := template.New("channel").Parse(channelString)
+
+			if err != nil {
+				return nil, err
+			}
+
+			programString, err := params.GetString("program")
+			if err != nil {
+				return nil, fmt.Errorf("midi.program_change.create program error: %w", err)
+			}
+
+			programTemplate, err := template.New("program").Parse(programString)
+
+			if err != nil {
+				return nil, err
+			}
+			return &MIDIProgramChangeCreate{
+				config:  config,
+				Channel: channelTemplate,
+				Program: programTemplate,
+			}, nil
+		},
+	})
+}

internal/processor/mqtt-message-create.go

@@ -104,7 +104,7 @@ func init() {
 				},
 			},
 			Required:             []string{"topic", "qos", "retained", "payload"},
-			AdditionalProperties: nil,
+			AdditionalProperties: &jsonschema.Schema{Not: &jsonschema.Schema{}},
 		},
 		New: func(processorConfig config.ProcessorConfig) (Processor, error) {
 			params := processorConfig.Params

internal/processor/nats-message-create.go

@@ -75,7 +75,7 @@ func init() {
 				},
 			},
 			Required:             []string{"subject", "payload"},
-			AdditionalProperties: nil,
+			AdditionalProperties: &jsonschema.Schema{Not: &jsonschema.Schema{}},
 		},
 		New: func(config config.ProcessorConfig) (Processor, error) {
 			params := config.Params

internal/processor/osc-message-create.go

@@ -109,7 +109,7 @@ func init() {
 				},
 			},
 			Required:             []string{"address"},
-			AdditionalProperties: nil,
+			AdditionalProperties: &jsonschema.Schema{Not: &jsonschema.Schema{}},
 		},
 		New: func(processorConfig config.ProcessorConfig) (Processor, error) {
 			params := processorConfig.Params

internal/processor/osc-message-encode.go

@@ -3,6 +3,7 @@ package processor
 import (
 	"context"
 	"errors"
+	"fmt"
 
 	osc "github.com/jwetzell/osc-go"
 	"github.com/jwetzell/showbridge-go/internal/common"
@@ -22,7 +23,12 @@ func (ome *OSCMessageEncode) Process(ctx context.Context, wrappedPayload common.
 		return wrappedPayload, errors.New("osc.message.encode processor only accepts an *OSCMessage")
 	}
 
-	wrappedPayload.Payload = payloadMessage.ToBytes()
+	bytes, err := payloadMessage.ToBytes()
+	if err != nil {
+		wrappedPayload.End = true
+		return wrappedPayload, fmt.Errorf("osc.message.encode processor failed to encode OSCMessage: %w", err)
+	}
+	wrappedPayload.Payload = bytes
 	return wrappedPayload, nil
 }
 

internal/processor/router-input.go

@@ -57,7 +57,7 @@ func init() {
 				},
 			},
 			Required:             []string{"source"},
-			AdditionalProperties: nil,
+			AdditionalProperties: &jsonschema.Schema{Not: &jsonschema.Schema{}},
 		},
 		New: func(config config.ProcessorConfig) (Processor, error) {
 

internal/processor/router-output.go

@@ -53,7 +53,7 @@ func init() {
 				},
 			},
 			Required:             []string{"module"},
-			AdditionalProperties: nil,
+			AdditionalProperties: &jsonschema.Schema{Not: &jsonschema.Schema{}},
 		},
 		New: func(config config.ProcessorConfig) (Processor, error) {
 

internal/processor/script-expr.go

@@ -48,7 +48,7 @@ func init() {
 				},
 			},
 			Required:             []string{"expression"},
-			AdditionalProperties: nil,
+			AdditionalProperties: &jsonschema.Schema{Not: &jsonschema.Schema{}},
 		},
 		New: func(config config.ProcessorConfig) (Processor, error) {
 			params := config.Params

internal/processor/script-js.go

@@ -105,7 +105,7 @@ func init() {
 				},
 			},
 			Required:             []string{"program"},
-			AdditionalProperties: nil,
+			AdditionalProperties: &jsonschema.Schema{Not: &jsonschema.Schema{}},
 		},
 		New: func(config config.ProcessorConfig) (Processor, error) {
 			params := config.Params

internal/processor/script-wasm.go

@@ -73,7 +73,7 @@ func init() {
 				},
 			},
 			Required:             []string{"path"},
-			AdditionalProperties: nil,
+			AdditionalProperties: &jsonschema.Schema{Not: &jsonschema.Schema{}},
 		},
 		New: func(processorConfig config.ProcessorConfig) (Processor, error) {
 			params := processorConfig.Params

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

@@ -70,7 +70,7 @@ func init() {
 				},
 			},
 			Required:             []string{"preWait", "postWait", "audioFile"},
-			AdditionalProperties: nil,
+			AdditionalProperties: &jsonschema.Schema{Not: &jsonschema.Schema{}},
 		},
 		New: func(config config.ProcessorConfig) (Processor, error) {
 			params := config.Params

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

@@ -78,7 +78,7 @@ func init() {
 				},
 			},
 			Required:             []string{"preWait", "postWait", "digits"},
-			AdditionalProperties: nil,
+			AdditionalProperties: &jsonschema.Schema{Not: &jsonschema.Schema{}},
 		},
 		New: func(config config.ProcessorConfig) (Processor, error) {
 			params := config.Params

internal/processor/string-create.go

@@ -49,7 +49,7 @@ func init() {
 				},
 			},
 			Required:             []string{"template"},
-			AdditionalProperties: nil,
+			AdditionalProperties: &jsonschema.Schema{Not: &jsonschema.Schema{}},
 		},
 		New: func(config config.ProcessorConfig) (Processor, error) {
 			params := config.Params

internal/processor/string-split.go

@@ -47,7 +47,7 @@ func init() {
 				},
 			},
 			Required:             []string{"separator"},
-			AdditionalProperties: nil,
+			AdditionalProperties: &jsonschema.Schema{Not: &jsonschema.Schema{}},
 		},
 		New: func(config config.ProcessorConfig) (Processor, error) {
 			params := config.Params

internal/processor/struct-field-get.go

@@ -56,6 +56,7 @@ func init() {
 				},
 			},
 			Required:             []string{"name"},
+			AdditionalProperties: &jsonschema.Schema{Not: &jsonschema.Schema{}},
 		},
 		New: func(config config.ProcessorConfig) (Processor, error) {
 			params := config.Params

internal/processor/struct-method-get.go

@@ -75,6 +75,7 @@ func init() {
 				},
 			},
 			Required:             []string{"name"},
+			AdditionalProperties: &jsonschema.Schema{Not: &jsonschema.Schema{}},
 		},
 		New: func(config config.ProcessorConfig) (Processor, error) {
 			params := config.Params

internal/processor/test/db-query_test.go

@@ -34,7 +34,7 @@ func TestDbQueryFromRegistry(t *testing.T) {
 	}
 
 	payload := "hello"
-	expected := map[string]any{"sqlite_version()": "3.51.3"}
+	expected := map[string]any{"sqlite_version()": "3.53.0"}
 
 	got, err := processorInstance.Process(t.Context(), common.GetWrappedPayload(test.GetContextWithModules(
 		t.Context(),

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

@@ -0,0 +1,161 @@
+package processor_test
+
+import (
+	"reflect"
+	"testing"
+
+	"github.com/jwetzell/showbridge-go/internal/common"
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/processor"
+	"gitlab.com/gomidi/midi/v2"
+)
+
+func TestMIDIControlChangeCreateFromRegistry(t *testing.T) {
+	registration, ok := processor.ProcessorRegistry["midi.control_change.create"]
+	if !ok {
+		t.Fatalf("midi.control_change.create processor not registered")
+	}
+
+	processorInstance, err := registration.New(config.ProcessorConfig{
+		Type: "midi.control_change.create",
+		Params: map[string]any{
+			"channel": "1",
+			"control": "60",
+			"value":   "100",
+		},
+	})
+
+	if err != nil {
+		t.Fatalf("failed to create midi.control_change.create processor: %s", err)
+	}
+
+	if processorInstance.Type() != "midi.control_change.create" {
+		t.Fatalf("midi.control_change.create processor has wrong type: %s", processorInstance.Type())
+	}
+}
+
+func TestGoodMIDIControlChangeCreate(t *testing.T) {
+
+	tests := []struct {
+		name     string
+		params   map[string]any
+		payload  any
+		expected any
+	}{
+		{
+			name: "control_change message",
+			params: map[string]any{
+				"type":    "control_change",
+				"channel": "1",
+				"control": "64",
+				"value":   "127",
+			},
+			payload:  "test",
+			expected: midi.ControlChange(1, 64, 127),
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			registration, ok := processor.ProcessorRegistry["midi.control_change.create"]
+			if !ok {
+				t.Fatalf("midi.control_change.create processor not registered")
+			}
+
+			processorInstance, err := registration.New(config.ProcessorConfig{
+				Type:   "midi.control_change.create",
+				Params: test.params,
+			})
+
+			if err != nil {
+				t.Fatalf("midi.control_change.create failed to create processor: %s", err)
+			}
+
+			got, err := processorInstance.Process(t.Context(), common.GetWrappedPayload(t.Context(), test.payload))
+			if err != nil {
+				t.Fatalf("midi.control_change.create processing failed: %s", err)
+			}
+
+			gotMessage, ok := got.Payload.(midi.Message)
+			if !ok {
+				t.Fatalf("midi.control_change.create returned a %T payload: %+v", got, got)
+			}
+
+			if !reflect.DeepEqual(gotMessage, test.expected) {
+				t.Fatalf("midi.control_change.create got %v, expected %v", gotMessage, test.expected)
+			}
+		})
+	}
+}
+
+func TestBadMIDIControlChangeCreate(t *testing.T) {
+
+	tests := []struct {
+		name        string
+		params      map[string]any
+		payload     any
+		errorString string
+	}{
+		{
+			name: "control_change no channel",
+			params: map[string]any{
+				"type":    "control_change",
+				"control": "64",
+				"value":   "127",
+			},
+			payload:     "test",
+			errorString: "midi.control_change.create channel error: not found",
+		},
+		{
+			name: "control_change no control",
+			params: map[string]any{
+				"type":    "control_change",
+				"channel": "1",
+				"value":   "127",
+			},
+			payload:     "test",
+			errorString: "midi.control_change.create control error: not found",
+		},
+		{
+			name: "control_change no value",
+			params: map[string]any{
+				"type":    "control_change",
+				"channel": "1",
+				"control": "64",
+			},
+			payload:     "test",
+			errorString: "midi.control_change.create value error: not found",
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			registration, ok := processor.ProcessorRegistry["midi.control_change.create"]
+			if !ok {
+				t.Fatalf("midi.control_change.create processor not registered")
+			}
+
+			processorInstance, err := registration.New(config.ProcessorConfig{
+				Type:   "midi.control_change.create",
+				Params: test.params,
+			})
+
+			if err != nil {
+				if test.errorString != err.Error() {
+					t.Fatalf("midi.control_change.create got error '%s', expected '%s'", err.Error(), test.errorString)
+				}
+				return
+			}
+
+			got, err := processorInstance.Process(t.Context(), common.GetWrappedPayload(t.Context(), test.payload))
+
+			if err == nil {
+				t.Fatalf("midi.control_change.create expected to fail but succeeded, got: %v", got)
+			}
+
+			if err.Error() != test.errorString {
+				t.Fatalf("midi.control_change.create got error '%s', expected '%s'", err.Error(), test.errorString)
+			}
+		})
+	}
+}

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

@@ -1,294 +0,0 @@
-package processor_test
-
-import (
-	"reflect"
-	"testing"
-
-	"github.com/jwetzell/showbridge-go/internal/common"
-	"github.com/jwetzell/showbridge-go/internal/config"
-	"github.com/jwetzell/showbridge-go/internal/processor"
-	"gitlab.com/gomidi/midi/v2"
-)
-
-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())
-	}
-}
-
-func TestGoodMIDIMessageCreate(t *testing.T) {
-
-	tests := []struct {
-		name     string
-		params   map[string]any
-		payload  any
-		expected any
-	}{
-		{
-			name: "note_on message",
-			params: map[string]any{
-				"type":     "note_on",
-				"channel":  "1",
-				"note":     "60",
-				"velocity": "100",
-			},
-			payload:  "test",
-			expected: midi.NoteOn(1, 60, 100),
-		},
-		{
-			name: "note_off message",
-			params: map[string]any{
-				"type":     "note_off",
-				"channel":  "1",
-				"note":     "60",
-				"velocity": "100",
-			},
-			payload:  "test",
-			expected: midi.NoteOffVelocity(1, 60, 100),
-		},
-		{
-			name: "control_change message",
-			params: map[string]any{
-				"type":    "control_change",
-				"channel": "1",
-				"control": "64",
-				"value":   "127",
-			},
-			payload:  "test",
-			expected: midi.ControlChange(1, 64, 127),
-		},
-		{
-			name: "program_change message",
-			params: map[string]any{
-				"type":    "program_change",
-				"channel": "1",
-				"program": "10",
-			},
-			payload:  "test",
-			expected: midi.ProgramChange(1, 10),
-		},
-	}
-
-	for _, test := range tests {
-		t.Run(test.name, func(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: test.params,
-			})
-
-			if err != nil {
-				t.Fatalf("midi.message.create failed to create processor: %s", err)
-			}
-
-			got, err := processorInstance.Process(t.Context(), common.GetWrappedPayload(t.Context(), test.payload))
-			if err != nil {
-				t.Fatalf("midi.message.create processing failed: %s", err)
-			}
-
-			gotMessage, ok := got.Payload.(midi.Message)
-			if !ok {
-				t.Fatalf("midi.message.create returned a %T payload: %+v", got, got)
-			}
-
-			if !reflect.DeepEqual(gotMessage, test.expected) {
-				t.Fatalf("midi.message.create got %v, expected %v", gotMessage, test.expected)
-			}
-		})
-	}
-}
-
-func TestBadMIDIMessageCreate(t *testing.T) {
-
-	tests := []struct {
-		name        string
-		params      map[string]any
-		payload     any
-		errorString string
-	}{
-		{
-			name:        "no type parameter",
-			params:      map[string]any{},
-			payload:     "test",
-			errorString: "midi.message.create type error: not found",
-		},
-		{
-			name: "non-string type parameter",
-			params: map[string]any{
-				"type": 1,
-			},
-			payload:     "test",
-			errorString: "midi.message.create type error: not a string",
-		},
-		{
-			name: "unknown type parameter",
-			params: map[string]any{
-				"type": "asdf",
-			},
-			payload:     "test",
-			errorString: "midi.message.create does not support type asdf",
-		},
-		{
-			name: "note_on message no channel",
-			params: map[string]any{
-				"type":     "note_on",
-				"note":     "60",
-				"velocity": "100",
-			},
-			payload:     "test",
-			errorString: "midi.message.create channel error: not found",
-		},
-		{
-			name: "note_on message no note",
-			params: map[string]any{
-				"type":     "note_on",
-				"channel":  "1",
-				"velocity": "100",
-			},
-			payload:     "test",
-			errorString: "midi.message.create note error: not found",
-		},
-		{
-			name: "note_on message no velocity",
-			params: map[string]any{
-				"type":    "note_on",
-				"channel": "1",
-				"note":    "60",
-			},
-			payload:     "test",
-			errorString: "midi.message.create velocity error: not found",
-		},
-		{
-			name: "note_off message no channel",
-			params: map[string]any{
-				"type":     "note_off",
-				"note":     "60",
-				"velocity": "100",
-			},
-			payload:     "test",
-			errorString: "midi.message.create channel error: not found",
-		},
-		{
-			name: "note_off message no note",
-			params: map[string]any{
-				"type":     "note_off",
-				"channel":  "1",
-				"velocity": "100",
-			},
-			payload:     "test",
-			errorString: "midi.message.create note error: not found",
-		},
-		{
-			name: "note_off message no velocity",
-			params: map[string]any{
-				"type":    "note_off",
-				"channel": "1",
-				"note":    "60",
-			},
-			payload:     "test",
-			errorString: "midi.message.create velocity error: not found",
-		},
-		{
-			name: "control_change no channel",
-			params: map[string]any{
-				"type":    "control_change",
-				"control": "64",
-				"value":   "127",
-			},
-			payload:     "test",
-			errorString: "midi.message.create channel error: not found",
-		},
-		{
-			name: "control_change no control",
-			params: map[string]any{
-				"type":    "control_change",
-				"channel": "1",
-				"value":   "127",
-			},
-			payload:     "test",
-			errorString: "midi.message.create control error: not found",
-		},
-		{
-			name: "control_change no value",
-			params: map[string]any{
-				"type":    "control_change",
-				"channel": "1",
-				"control": "64",
-			},
-			payload:     "test",
-			errorString: "midi.message.create value error: not found",
-		},
-		{
-			name: "program_change no channel",
-			params: map[string]any{
-				"type":    "program_change",
-				"program": "64",
-			},
-			payload:     "test",
-			errorString: "midi.message.create channel error: not found",
-		},
-		{
-			name: "program_change no program",
-			params: map[string]any{
-				"type":    "program_change",
-				"channel": "1",
-			},
-			payload:     "test",
-			errorString: "midi.message.create program error: not found",
-		},
-	}
-
-	for _, test := range tests {
-		t.Run(test.name, func(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: test.params,
-			})
-
-			if err != nil {
-				if test.errorString != err.Error() {
-					t.Fatalf("midi.message.create got error '%s', expected '%s'", err.Error(), test.errorString)
-				}
-				return
-			}
-
-			got, err := processorInstance.Process(t.Context(), common.GetWrappedPayload(t.Context(), test.payload))
-
-			if err == nil {
-				t.Fatalf("midi.message.create expected to fail but succeeded, got: %v", got)
-			}
-
-			if err.Error() != test.errorString {
-				t.Fatalf("midi.message.create got error '%s', expected '%s'", err.Error(), test.errorString)
-			}
-		})
-	}
-}

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

@@ -0,0 +1,160 @@
+package processor_test
+
+import (
+	"reflect"
+	"testing"
+
+	"github.com/jwetzell/showbridge-go/internal/common"
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/processor"
+	"gitlab.com/gomidi/midi/v2"
+)
+
+func TestMIDINoteOffCreteaFromRegistry(t *testing.T) {
+	registration, ok := processor.ProcessorRegistry["midi.note_off.create"]
+	if !ok {
+		t.Fatalf("midi.note_off.create processor not registered")
+	}
+
+	processorInstance, err := registration.New(config.ProcessorConfig{
+		Type: "midi.note_off.create",
+		Params: map[string]any{
+			"channel":  "1",
+			"note":     "60",
+			"velocity": "100",
+		},
+	})
+
+	if err != nil {
+		t.Fatalf("failed to create midi.note_off.create processor: %s", err)
+	}
+
+	if processorInstance.Type() != "midi.note_off.create" {
+		t.Fatalf("midi.note_off.create processor has wrong type: %s", processorInstance.Type())
+	}
+}
+
+func TestGoodMIDINoteOffCretea(t *testing.T) {
+
+	tests := []struct {
+		name     string
+		params   map[string]any
+		payload  any
+		expected any
+	}{
+		{
+			name: "note_off message",
+			params: map[string]any{
+				"channel":  "1",
+				"note":     "60",
+				"velocity": "100",
+			},
+			payload:  "test",
+			expected: midi.NoteOffVelocity(1, 60, 100),
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			registration, ok := processor.ProcessorRegistry["midi.note_off.create"]
+			if !ok {
+				t.Fatalf("midi.note_off.create processor not registered")
+			}
+
+			processorInstance, err := registration.New(config.ProcessorConfig{
+				Type:   "midi.note_off.create",
+				Params: test.params,
+			})
+
+			if err != nil {
+				t.Fatalf("midi.note_off.create failed to create processor: %s", err)
+			}
+
+			got, err := processorInstance.Process(t.Context(), common.GetWrappedPayload(t.Context(), test.payload))
+			if err != nil {
+				t.Fatalf("midi.note_off.create processing failed: %s", err)
+			}
+
+			gotMessage, ok := got.Payload.(midi.Message)
+			if !ok {
+				t.Fatalf("midi.note_off.create returned a %T payload: %+v", got, got)
+			}
+
+			if !reflect.DeepEqual(gotMessage, test.expected) {
+				t.Fatalf("midi.note_off.create got %v, expected %v", gotMessage, test.expected)
+			}
+		})
+	}
+}
+
+func TestBadMIDINoteOffCretea(t *testing.T) {
+
+	tests := []struct {
+		name        string
+		params      map[string]any
+		payload     any
+		errorString string
+	}{
+		{
+			name: "note_off message no channel",
+			params: map[string]any{
+				"type":     "note_off",
+				"note":     "60",
+				"velocity": "100",
+			},
+			payload:     "test",
+			errorString: "midi.note_off.create channel error: not found",
+		},
+		{
+			name: "note_off message no note",
+			params: map[string]any{
+				"type":     "note_off",
+				"channel":  "1",
+				"velocity": "100",
+			},
+			payload:     "test",
+			errorString: "midi.note_off.create note error: not found",
+		},
+		{
+			name: "note_off message no velocity",
+			params: map[string]any{
+				"type":    "note_off",
+				"channel": "1",
+				"note":    "60",
+			},
+			payload:     "test",
+			errorString: "midi.note_off.create velocity error: not found",
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			registration, ok := processor.ProcessorRegistry["midi.note_off.create"]
+			if !ok {
+				t.Fatalf("midi.note_off.create processor not registered")
+			}
+
+			processorInstance, err := registration.New(config.ProcessorConfig{
+				Type:   "midi.note_off.create",
+				Params: test.params,
+			})
+
+			if err != nil {
+				if test.errorString != err.Error() {
+					t.Fatalf("midi.note_off.create got error '%s', expected '%s'", err.Error(), test.errorString)
+				}
+				return
+			}
+
+			got, err := processorInstance.Process(t.Context(), common.GetWrappedPayload(t.Context(), test.payload))
+
+			if err == nil {
+				t.Fatalf("midi.note_off.create expected to fail but succeeded, got: %v", got)
+			}
+
+			if err.Error() != test.errorString {
+				t.Fatalf("midi.note_off.create got error '%s', expected '%s'", err.Error(), test.errorString)
+			}
+		})
+	}
+}

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

@@ -0,0 +1,157 @@
+package processor_test
+
+import (
+	"reflect"
+	"testing"
+
+	"github.com/jwetzell/showbridge-go/internal/common"
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/processor"
+	"gitlab.com/gomidi/midi/v2"
+)
+
+func TestMIDINoteOnCreateFromRegistry(t *testing.T) {
+	registration, ok := processor.ProcessorRegistry["midi.note_on.create"]
+	if !ok {
+		t.Fatalf("midi.note_on.create processor not registered")
+	}
+
+	processorInstance, err := registration.New(config.ProcessorConfig{
+		Type: "midi.note_on.create",
+		Params: map[string]any{
+			"channel":  "1",
+			"note":     "60",
+			"velocity": "100",
+		},
+	})
+
+	if err != nil {
+		t.Fatalf("failed to create midi.note_on.create processor: %s", err)
+	}
+
+	if processorInstance.Type() != "midi.note_on.create" {
+		t.Fatalf("midi.note_on.create processor has wrong type: %s", processorInstance.Type())
+	}
+}
+
+func TestGoodMIDINoteOnCreate(t *testing.T) {
+
+	tests := []struct {
+		name     string
+		params   map[string]any
+		payload  any
+		expected any
+	}{
+		{
+			name: "note_on message",
+			params: map[string]any{
+				"channel":  "1",
+				"note":     "60",
+				"velocity": "100",
+			},
+			payload:  "test",
+			expected: midi.NoteOn(1, 60, 100),
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			registration, ok := processor.ProcessorRegistry["midi.note_on.create"]
+			if !ok {
+				t.Fatalf("midi.note_on.create processor not registered")
+			}
+
+			processorInstance, err := registration.New(config.ProcessorConfig{
+				Type:   "midi.note_on.create",
+				Params: test.params,
+			})
+
+			if err != nil {
+				t.Fatalf("midi.note_on.create failed to create processor: %s", err)
+			}
+
+			got, err := processorInstance.Process(t.Context(), common.GetWrappedPayload(t.Context(), test.payload))
+			if err != nil {
+				t.Fatalf("midi.note_on.create processing failed: %s", err)
+			}
+
+			gotMessage, ok := got.Payload.(midi.Message)
+			if !ok {
+				t.Fatalf("midi.note_on.create returned a %T payload: %+v", got, got)
+			}
+
+			if !reflect.DeepEqual(gotMessage, test.expected) {
+				t.Fatalf("midi.note_on.create got %v, expected %v", gotMessage, test.expected)
+			}
+		})
+	}
+}
+
+func TestBadMIDINoteOnCreate(t *testing.T) {
+
+	tests := []struct {
+		name        string
+		params      map[string]any
+		payload     any
+		errorString string
+	}{
+		{
+			name: "note_on message no channel",
+			params: map[string]any{
+				"note":     "60",
+				"velocity": "100",
+			},
+			payload:     "test",
+			errorString: "midi.note_on.create channel error: not found",
+		},
+		{
+			name: "note_on message no note",
+			params: map[string]any{
+				"channel":  "1",
+				"velocity": "100",
+			},
+			payload:     "test",
+			errorString: "midi.note_on.create note error: not found",
+		},
+		{
+			name: "note_on message no velocity",
+			params: map[string]any{
+				"channel": "1",
+				"note":    "60",
+			},
+			payload:     "test",
+			errorString: "midi.note_on.create velocity error: not found",
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			registration, ok := processor.ProcessorRegistry["midi.note_on.create"]
+			if !ok {
+				t.Fatalf("midi.note_on.create processor not registered")
+			}
+
+			processorInstance, err := registration.New(config.ProcessorConfig{
+				Type:   "midi.note_on.create",
+				Params: test.params,
+			})
+
+			if err != nil {
+				if test.errorString != err.Error() {
+					t.Fatalf("midi.note_on.create got error '%s', expected '%s'", err.Error(), test.errorString)
+				}
+				return
+			}
+
+			got, err := processorInstance.Process(t.Context(), common.GetWrappedPayload(t.Context(), test.payload))
+
+			if err == nil {
+				t.Fatalf("midi.note_on.create expected to fail but succeeded, got: %v", got)
+			}
+
+			if err.Error() != test.errorString {
+				t.Fatalf("midi.note_on.create got error '%s', expected '%s'", err.Error(), test.errorString)
+			}
+		})
+	}
+}

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

@@ -0,0 +1,147 @@
+package processor_test
+
+import (
+	"reflect"
+	"testing"
+
+	"github.com/jwetzell/showbridge-go/internal/common"
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/processor"
+	"gitlab.com/gomidi/midi/v2"
+)
+
+func TestMIDIProgramChangeCreateFromRegistry(t *testing.T) {
+	registration, ok := processor.ProcessorRegistry["midi.program_change.create"]
+	if !ok {
+		t.Fatalf("midi.program_change.create processor not registered")
+	}
+
+	processorInstance, err := registration.New(config.ProcessorConfig{
+		Type: "midi.program_change.create",
+		Params: map[string]any{
+			"channel": "1",
+			"program": "60",
+		},
+	})
+
+	if err != nil {
+		t.Fatalf("failed to create midi.program_change.create processor: %s", err)
+	}
+
+	if processorInstance.Type() != "midi.program_change.create" {
+		t.Fatalf("midi.program_change.create processor has wrong type: %s", processorInstance.Type())
+	}
+}
+
+func TestGoodMIDIProgramChangeCreate(t *testing.T) {
+
+	tests := []struct {
+		name     string
+		params   map[string]any
+		payload  any
+		expected any
+	}{
+		{
+			name: "program_change message",
+			params: map[string]any{
+				"type":    "program_change",
+				"channel": "1",
+				"program": "10",
+			},
+			payload:  "test",
+			expected: midi.ProgramChange(1, 10),
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			registration, ok := processor.ProcessorRegistry["midi.program_change.create"]
+			if !ok {
+				t.Fatalf("midi.program_change.create processor not registered")
+			}
+
+			processorInstance, err := registration.New(config.ProcessorConfig{
+				Type:   "midi.program_change.create",
+				Params: test.params,
+			})
+
+			if err != nil {
+				t.Fatalf("midi.program_change.create failed to create processor: %s", err)
+			}
+
+			got, err := processorInstance.Process(t.Context(), common.GetWrappedPayload(t.Context(), test.payload))
+			if err != nil {
+				t.Fatalf("midi.program_change.create processing failed: %s", err)
+			}
+
+			gotMessage, ok := got.Payload.(midi.Message)
+			if !ok {
+				t.Fatalf("midi.program_change.create returned a %T payload: %+v", got, got)
+			}
+
+			if !reflect.DeepEqual(gotMessage, test.expected) {
+				t.Fatalf("midi.program_change.create got %v, expected %v", gotMessage, test.expected)
+			}
+		})
+	}
+}
+
+func TestBadMIDIProgramChangeCreate(t *testing.T) {
+
+	tests := []struct {
+		name        string
+		params      map[string]any
+		payload     any
+		errorString string
+	}{
+		{
+			name: "program_change no channel",
+			params: map[string]any{
+				"type":    "program_change",
+				"program": "64",
+			},
+			payload:     "test",
+			errorString: "midi.program_change.create channel error: not found",
+		},
+		{
+			name: "program_change no program",
+			params: map[string]any{
+				"type":    "program_change",
+				"channel": "1",
+			},
+			payload:     "test",
+			errorString: "midi.program_change.create program error: not found",
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			registration, ok := processor.ProcessorRegistry["midi.program_change.create"]
+			if !ok {
+				t.Fatalf("midi.program_change.create processor not registered")
+			}
+
+			processorInstance, err := registration.New(config.ProcessorConfig{
+				Type:   "midi.program_change.create",
+				Params: test.params,
+			})
+
+			if err != nil {
+				if test.errorString != err.Error() {
+					t.Fatalf("midi.program_change.create got error '%s', expected '%s'", err.Error(), test.errorString)
+				}
+				return
+			}
+
+			got, err := processorInstance.Process(t.Context(), common.GetWrappedPayload(t.Context(), test.payload))
+
+			if err == nil {
+				t.Fatalf("midi.program_change.create expected to fail but succeeded, got: %v", got)
+			}
+
+			if err.Error() != test.errorString {
+				t.Fatalf("midi.program_change.create got error '%s', expected '%s'", err.Error(), test.errorString)
+			}
+		})
+	}
+}

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

@@ -104,7 +104,7 @@ func TestBadOSCMessageDecode(t *testing.T) {
 		{
 			name:        "invalid OSC payload",
 			payload:     []byte{47, 116, 101, 115, 116, 0},
-			errorString: "osc.message.decode processor failed to decode OSC message: string data is not properly padded",
+			errorString: "osc.message.decode processor failed to decode OSC message: OSC string is not properly padded",
 		},
 	}
 

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

@@ -89,6 +89,14 @@ func TestBadOSCMessageEncode(t *testing.T) {
 			payload:     "test",
 			errorString: "osc.message.encode processor only accepts an *OSCMessage",
 		},
+		{
+			name: "invalid OSC message argument",
+			payload: &osc.OSCMessage{
+				Address: "test",
+				Args:    []osc.OSCArg{},
+			},
+			errorString: "osc.message.encode processor failed to encode OSCMessage: OSC Message address must start with /",
+		},
 	}
 
 	for _, test := range tests {

internal/processor/time-sleep.go

@@ -38,6 +38,7 @@ func init() {
 				},
 			},
 			Required:             []string{"duration"},
+			AdditionalProperties: &jsonschema.Schema{Not: &jsonschema.Schema{}},
 		},
 		New: func(config config.ProcessorConfig) (Processor, error) {
 			params := config.Params

internal/route/route.go

@@ -13,11 +13,6 @@ import (
 	"go.opentelemetry.io/otel/trace"
 )
 
-type RouteError struct {
-	Index  int                `json:"index"`
-	Config config.RouteConfig `json:"config"`
-	Error  string             `json:"error"`
-}
 type Route struct {
 	input      string
 	processors []processor.Processor

internal/schema/api.go

@@ -7,6 +7,7 @@ import (
 )
 
 var ApiConfigSchema = jsonschema.Schema{
+	ID:   "https://showbridge.io/api.schema.json",
 	Type: "object",
 	Properties: map[string]*jsonschema.Schema{
 		"enabled": {
@@ -23,4 +24,6 @@ var ApiConfigSchema = jsonschema.Schema{
 		},
 	},
 	Required:             []string{"port"},
+	Default:              json.RawMessage(`{"enabled": false, "port": 8080}`),
+	AdditionalProperties: &jsonschema.Schema{Not: &jsonschema.Schema{}},
 }

internal/schema/config.go

@@ -19,6 +19,7 @@ var ConfigSchema = jsonschema.Schema{
 			Ref: "https://showbridge.io/routes.schema.json",
 		},
 	},
+	AdditionalProperties: &jsonschema.Schema{Not: &jsonschema.Schema{}},
 }
 
 func ApplyDefaults(cfg *map[string]any) error {

internal/schema/modules.go

@@ -1,6 +1,8 @@
 package schema
 
 import (
+	"encoding/json"
+
 	"github.com/google/jsonschema-go/jsonschema"
 	"github.com/jwetzell/showbridge-go/internal/module"
 )
@@ -13,11 +15,13 @@ func GetModulesSchema() *jsonschema.Schema {
 		Title:       "Modules",
 		Description: "module configurations",
 		Type:        "array",
+		Default:     json.RawMessage(`[]`),
 	}
 
 	moduleDefinitionSchemas := []*jsonschema.Schema{}
 	for _, mod := range module.ModuleRegistry {
 		moduleSchema := &jsonschema.Schema{
+			ID:   mod.Type,
 			Type: "object",
 			Properties: map[string]*jsonschema.Schema{
 				"id": {
@@ -29,7 +33,7 @@ func GetModulesSchema() *jsonschema.Schema {
 				},
 			},
 			Required:             []string{"id", "type"},
-			AdditionalProperties: nil,
+			AdditionalProperties: &jsonschema.Schema{Not: &jsonschema.Schema{}},
 		}
 		if mod.Title != "" {
 			moduleSchema.Title = mod.Title

internal/schema/processors.go

@@ -1,6 +1,8 @@
 package schema
 
 import (
+	"encoding/json"
+
 	"github.com/google/jsonschema-go/jsonschema"
 	"github.com/jwetzell/showbridge-go/internal/processor"
 )
@@ -13,11 +15,13 @@ func GetProcessorsSchema() *jsonschema.Schema {
 		Title:       "Processors",
 		Description: "processor configurations",
 		Type:        "array",
+		Default:     json.RawMessage(`[]`),
 	}
 
 	processorDefinitionSchemas := []*jsonschema.Schema{}
 	for _, proc := range processor.ProcessorRegistry {
 		processorSchema := &jsonschema.Schema{
+			ID:   proc.Type,
 			Type: "object",
 			Properties: map[string]*jsonschema.Schema{
 				"type": {
@@ -25,7 +29,7 @@ func GetProcessorsSchema() *jsonschema.Schema {
 				},
 			},
 			Required:             []string{"type"},
-			AdditionalProperties: nil,
+			AdditionalProperties: &jsonschema.Schema{Not: &jsonschema.Schema{}},
 		}
 		if proc.Title != "" {
 			processorSchema.Title = proc.Title

internal/schema/routes.go

@@ -1,6 +1,10 @@
 package schema
 
-import "github.com/google/jsonschema-go/jsonschema"
+import (
+	"encoding/json"
+
+	"github.com/google/jsonschema-go/jsonschema"
+)
 
 var RoutesConfigSchema = jsonschema.Schema{
 	Schema:      "https://json-schema.org/draft/2020-12/schema",
@@ -20,5 +24,7 @@ var RoutesConfigSchema = jsonschema.Schema{
 			},
 		},
 		Required:             []string{"input"},
+		AdditionalProperties: &jsonschema.Schema{Not: &jsonschema.Schema{}},
 	},
+	Default: json.RawMessage(`[]`),
 }

router.go

@@ -4,11 +4,9 @@ import (
 	"context"
 	"errors"
 	"log/slog"
-	"net/http"
-	"reflect"
 	"sync"
 
-	"github.com/gorilla/websocket"
+	"github.com/jwetzell/showbridge-go/internal/api"
 	"github.com/jwetzell/showbridge-go/internal/common"
 	"github.com/jwetzell/showbridge-go/internal/config"
 	"github.com/jwetzell/showbridge-go/internal/module"
@@ -20,7 +18,7 @@ import (
 	"go.opentelemetry.io/otel/trace"
 )
 
-// TODO(jwetzell): can/should this be split into different components?
+// TODO(jwetzell): can/should this be split into different "components"?
 type Router struct {
 	contextCancel context.CancelFunc
 	Context       context.Context
@@ -33,12 +31,9 @@ type Router struct {
 	logger              *slog.Logger
 	runningConfig       config.Config
 	runningConfigMu     sync.RWMutex
-	wsConns           []*websocket.Conn
+	apiServer           *api.ApiServer
-	wsConnsMu         sync.Mutex
+	eventDestinations   []common.EventDestination
-	apiServer         *http.Server
+	eventDestinationsMu sync.Mutex
-	apiServerMu       sync.Mutex
-	apiServerShutdown context.CancelFunc
-	updatingConfig    bool
 }
 
 func (r *Router) addModule(moduleDecl config.ModuleConfig) error {
@@ -115,7 +110,7 @@ func (r *Router) getModule(moduleId string) common.Module {
 	return moduleInstance
 }
 
-func NewRouter(routerConfig config.Config) (*Router, []module.ModuleError, []route.RouteError) {
+func NewRouter(routerConfig config.Config) (*Router, []config.ModuleError, []config.RouteError) {
 
 	router := Router{
 		ModuleInstances: make(map[string]common.Module),
@@ -123,20 +118,19 @@ func NewRouter(routerConfig config.Config) (*Router, []module.ModuleError, []rou
 		ConfigChange:    make(chan config.Config, 1),
 		logger:          slog.Default().With("component", "router"),
 		runningConfig:   routerConfig,
-		updatingConfig:  false,
 	}
 	router.logger.Debug("creating")
 
-	var moduleErrors []module.ModuleError
+	var moduleErrors []config.ModuleError
 
 	for moduleIndex, moduleDecl := range routerConfig.Modules {
 
 		err := router.addModule(moduleDecl)
 		if err != nil {
 			if moduleErrors == nil {
-				moduleErrors = []module.ModuleError{}
+				moduleErrors = []config.ModuleError{}
 			}
-			moduleErrors = append(moduleErrors, module.ModuleError{
+			moduleErrors = append(moduleErrors, config.ModuleError{
 				Index:  moduleIndex,
 				Config: moduleDecl,
 				Error:  err.Error(),
@@ -146,14 +140,14 @@ func NewRouter(routerConfig config.Config) (*Router, []module.ModuleError, []rou
 
 	}
 
-	var routeErrors []route.RouteError
+	var routeErrors []config.RouteError
 	for routeIndex, routeDecl := range routerConfig.Routes {
 		err := router.addRoute(routeDecl)
 		if err != nil {
 			if routeErrors == nil {
-				routeErrors = []route.RouteError{}
+				routeErrors = []config.RouteError{}
 			}
-			routeErrors = append(routeErrors, route.RouteError{
+			routeErrors = append(routeErrors, config.RouteError{
 				Index:  routeIndex,
 				Config: routeDecl,
 				Error:  err.Error(),
@@ -162,6 +156,10 @@ func NewRouter(routerConfig config.Config) (*Router, []module.ModuleError, []rou
 		}
 	}
 
+	apiServer := api.NewApiServer(&router, &router)
+
+	router.apiServer = apiServer
+
 	return &router, moduleErrors, routeErrors
 }
 
@@ -171,10 +169,10 @@ func (r *Router) Start(ctx context.Context) {
 	r.Context = routerContext
 	r.contextCancel = cancel
 	r.startModules()
-	r.startAPIServer(r.runningConfig.Api)
+	r.apiServer.Start(r.GetRunningConfig().Api)
 	<-r.Context.Done()
 	r.logger.Debug("shutting down api server")
-	r.stopAPIServer()
+	r.apiServer.Stop()
 	r.logger.Debug("waiting for modules to exit")
 	r.moduleWait.Wait()
 	r.logger.Info("done")
@@ -194,7 +192,7 @@ func (r *Router) HandleInput(ctx context.Context, sourceId string, payload any)
 	var routeIOErrors []common.RouteIOError
 	routeFound := false
 
-	r.broadcastEvent(Event{
+	r.broadcastEvent(common.Event{
 		Type: "input",
 		Data: map[string]any{
 			"source": sourceId,
@@ -227,7 +225,7 @@ func (r *Router) HandleInput(ctx context.Context, sourceId string, payload any)
 						Index:        routeIndex,
 						ProcessError: err,
 					})
-					r.broadcastEvent(Event{
+					r.broadcastEvent(common.Event{
 						Type: "route",
 						Data: map[string]any{
 							"index": routeIndex,
@@ -236,7 +234,7 @@ func (r *Router) HandleInput(ctx context.Context, sourceId string, payload any)
 					})
 					return
 				}
-				r.broadcastEvent(Event{
+				r.broadcastEvent(common.Event{
 					Type: "route",
 					Data: map[string]any{
 						"index": routeIndex,
@@ -253,7 +251,7 @@ func (r *Router) HandleInput(ctx context.Context, sourceId string, payload any)
 func (r *Router) HandleOutput(ctx context.Context, destinationId string, payload any) error {
 	spanCtx, span := otel.Tracer("router").Start(ctx, "output", trace.WithAttributes(attribute.String("destination.id", destinationId)))
 	defer span.End()
-	outputEvent := Event{
+	outputEvent := common.Event{
 		Type: "output",
 		Data: map[string]any{
 			"destination": destinationId,
@@ -310,76 +308,3 @@ func (r *Router) startModules() {
 		}
 	}
 }
-
-func (r *Router) RunningConfig() config.Config {
-	r.runningConfigMu.RLock()
-	defer r.runningConfigMu.RLock()
-	return r.runningConfig
-}
-
-func (r *Router) UpdateConfig(newConfig config.Config) ([]module.ModuleError, []route.RouteError) {
-	r.runningConfigMu.Lock()
-	defer r.runningConfigMu.Unlock()
-	r.updatingConfig = true
-	defer func() {
-		r.updatingConfig = false
-	}()
-	oldConfig := r.runningConfig
-	r.logger.Debug("received config update", "oldConfig", oldConfig, "newConfig", newConfig)
-
-	if !reflect.DeepEqual(oldConfig.Api, newConfig.Api) {
-		r.logger.Info("applying new API config")
-		r.stopAPIServer()
-		r.startAPIServer(newConfig.Api)
-		r.runningConfig.Api = newConfig.Api
-	}
-
-	// TODO(jwetzell): handle config update errors better
-	for _, moduleInstance := range r.ModuleInstances {
-		moduleInstance.Stop()
-	}
-	r.logger.Debug("waiting for modules to exit")
-	r.moduleWait.Wait()
-
-	r.ModuleInstances = make(map[string]common.Module)
-	r.RouteInstances = []*route.Route{}
-
-	var moduleErrors []module.ModuleError
-
-	for moduleIndex, moduleDecl := range newConfig.Modules {
-
-		err := r.addModule(moduleDecl)
-		if err != nil {
-			if moduleErrors == nil {
-				moduleErrors = []module.ModuleError{}
-			}
-			moduleErrors = append(moduleErrors, module.ModuleError{
-				Index:  moduleIndex,
-				Config: moduleDecl,
-				Error:  err.Error(),
-			})
-			continue
-		}
-
-	}
-
-	var routeErrors []route.RouteError
-	for routeIndex, routeDecl := range newConfig.Routes {
-		err := r.addRoute(routeDecl)
-		if err != nil {
-			if routeErrors == nil {
-				routeErrors = []route.RouteError{}
-			}
-			routeErrors = append(routeErrors, route.RouteError{
-				Index:  routeIndex,
-				Config: routeDecl,
-				Error:  err.Error(),
-			})
-			continue
-		}
-	}
-	r.runningConfig = newConfig
-	r.startModules()
-
-	return moduleErrors, routeErrors
-}

router_test.go

@@ -91,8 +91,8 @@ func TestNewRouter(t *testing.T) {
 		t.Fatalf("router should not have returned any route errors: %v", routeErrors)
 	}
 
-	if !reflect.DeepEqual(routerConfig, router.RunningConfig()) {
+	if !reflect.DeepEqual(routerConfig, router.GetRunningConfig()) {
-		t.Fatalf("router running config did not match expected, got: %v, expected: %v", router.RunningConfig(), routerConfig)
+		t.Fatalf("router running config did not match expected, got: %v, expected: %v", router.GetRunningConfig(), routerConfig)
 	}
 }
 

websocket.go

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