Merge pull request #42 from jwetzell/feat/nats-message-create-subject-template

allow subject to be a template in nats.message.create

.dockerignore

@@ -0,0 +1,5 @@
+Dockerfile
+.github
+.vscode
+README.md
+LICENSE

.github/workflows/release-showbridge.yaml

@@ -3,7 +3,7 @@ name: showbridge release
 on:
   push:
     tags:
-      - "*"
+      - "v*"
 
 permissions:
   contents: write
@@ -29,3 +29,40 @@ jobs:
           args: release --clean
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+  docker:
+    runs-on: ubuntu-latest
+    needs: goreleaser
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@c7c53464625b32c7a7e944ae62b3e17d2b600130 # v3.7.0
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@8d2750c68a42422c14e847fe6c8ac0403b4cbd6f # v3.12.0
+
+      - name: Login to Docker Hub
+        uses: docker/login-action@5e57cd118135c172c3672efd75eb46360885c0ef # v3.6.0
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Setup Docker metadata
+        id: meta
+        uses: docker/metadata-action@c299e40c65443455700f0fdfc63efafe5b349051 # v5.10.0
+        with:
+          images: |
+            jwetzell/showbridge
+
+      - name: Build and push
+        uses: docker/build-push-action@263435318d21b8e681c14492fe198d362a7d2c83 # v6.18.0
+        with:
+          push: true
+          context: ./
+          file: ./Dockerfile
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+          platforms: linux/amd64,linux/arm64,linux/arm/v7

.vscode/launch.json

@@ -10,7 +10,9 @@
             "type": "go",
             "request": "launch",
             "mode": "auto",
-            "program": "cmd/showbridge"
+            "program": "cmd/showbridge",
+            "args": ["--log-level", "debug"],
+            "cwd": "./"
         }
     ]
 }

Dockerfile

@@ -0,0 +1,15 @@
+ARG GO_VERSION=1.25.5
+FROM golang:${GO_VERSION}-alpine AS build
+RUN apk --no-cache add ca-certificates tzdata
+WORKDIR /build
+COPY go.mod go.sum ./
+RUN go mod download
+COPY . .
+RUN CGO_ENABLED=0 GOOS=linux go build ./cmd/showbridge
+
+FROM scratch
+WORKDIR /app
+COPY --from=build /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt
+COPY --from=build /usr/share/zoneinfo /usr/share/zoneinfo
+COPY --from=build /build/showbridge /app/showbridge
+ENTRYPOINT [ "/app/showbridge" ]

README.md

@@ -6,28 +6,37 @@ Simple protocol router _/s_
 
 </div>
 
+<p align="center">
+	<a href="https://github.com/jwetzell/showbridge-go/releases">Releases</a> ·
+	<a href="https://docs.showbridge.io">Documentation</a>
+</p>
+
 ### Supported Protocols
 - HTTP
-  - client
-  - server
 - UDP
-  - client
-  - server
 - TCP
-  - client
-  - server
 - [MQTT](https://mqtt.org/)
-  - client
 - [NATS](https://nats.io/)
-  - client
 - [PosiStageNet](https://posistage.net/)
-  - client
+- MIDI (not included in pre-built binaries yet)
-- MIDI
+- Serial (not included in pre-built binaries yet)
-  - client (not included in pre-built binaries yet)
+- [OSC](https://opensoundcontrol.stanford.edu/spec-1_0.html)
+- [FreeD](https://ptzoptics.com/freed/)
 - [SIP](https://en.wikipedia.org/wiki/Session_Initiation_Protocol)
-  - call server
-  - [DTMF](https://en.wikipedia.org/wiki/Dual-tone_multi-frequency_signaling) server
-
-
-  
   
+### CLI Usage
+
+```
+NAME:
+   showbridge - Simple protocol router /s
+
+USAGE:
+   showbridge [global options]
+
+GLOBAL OPTIONS:
+   --config string      path to config file (default: "./config.yaml")
+   --log-level string   set log level (default: "info")
+   --log-format string  log format to use (default: "text")
+   --help, -h           show help
+   --version, -v        print the version
+```

cmd/showbridge/main.go

@@ -2,10 +2,13 @@ package main
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"log/slog"
 	"os"
 	"os/signal"
+	"slices"
+	"sync"
 
 	"github.com/jwetzell/showbridge-go"
 	"github.com/jwetzell/showbridge-go/internal/config"
@@ -20,37 +23,43 @@ var (
 func main() {
 	cmd := &cli.Command{
 		Name:    "showbridge",
+		Usage:   "Simple protocol router /s",
 		Version: version,
 		Flags: []cli.Flag{
 			&cli.StringFlag{
 				Name:  "config",
 				Value: "./config.yaml",
+				Usage: "path to config file",
+			},
+			&cli.StringFlag{
+				Name:  "log-level",
+				Value: "info",
+				Usage: "set log level",
+				Validator: func(level string) error {
+					levels := []string{"debug", "info", "warn", "error"}
+					if !slices.Contains(levels, level) {
+						return fmt.Errorf("unknown log level: %s", level)
+					}
+					return nil
+				},
+			},
+			&cli.StringFlag{
+				Name:  "log-format",
+				Value: "text",
+				Usage: "log format to use",
+				Validator: func(format string) error {
+					formats := []string{"text", "json"}
+					if !slices.Contains(formats, format) {
+						return fmt.Errorf("unknown log format: %s", format)
+					}
+					return nil
+				},
 			},
 		},
-		Action: func(ctx context.Context, c *cli.Command) error {
+		Action: run,
-			configPath := c.String("config")
-			if configPath == "" {
-				return fmt.Errorf("config value cannot be empty")
-			}
-
-			config, err := readConfig(configPath)
-			if err != nil {
-				return err
-			}
-			router, moduleErrors, routeErrors := showbridge.NewRouter(ctx, config)
-			for _, moduleError := range moduleErrors {
-				slog.Error("problem initializing module", "index", moduleError.Index, "error", moduleError.Error)
-			}
-
-			for _, routeError := range routeErrors {
-				slog.Error("problem initializing route", "index", routeError.Index, "error", routeError.Error)
-			}
-			router.Run()
-			return nil
-		},
 	}
 
-	ctx, cancel := signal.NotifyContext(context.Background(), os.Interrupt, os.Interrupt)
+	ctx, cancel := signal.NotifyContext(context.Background(), os.Interrupt)
 	defer cancel()
 	err := cmd.Run(ctx, os.Args)
 
@@ -76,3 +85,78 @@ func readConfig(configPath string) (config.Config, error) {
 
 	return cfg, nil
 }
+
+func run(ctx context.Context, c *cli.Command) error {
+	configPath := c.String("config")
+	if configPath == "" {
+		return errors.New("config value cannot be empty")
+	}
+
+	config, err := readConfig(configPath)
+	if err != nil {
+		return err
+	}
+
+	logLevel := slog.LevelInfo
+
+	logLevelFromFlag := c.String("log-level")
+
+	switch logLevelFromFlag {
+	case "debug":
+		logLevel = slog.LevelDebug
+	case "info":
+		logLevel = slog.LevelInfo
+	case "warn":
+		logLevel = slog.LevelWarn
+	case "error":
+		logLevel = slog.LevelError
+	default:
+		logLevel = slog.LevelInfo
+	}
+
+	logHandlerOptions := &slog.HandlerOptions{
+		Level: logLevel,
+	}
+
+	logOutput := os.Stderr
+
+	var logHandler slog.Handler
+
+	logFormat := c.String("log-format")
+
+	switch logFormat {
+	case "json":
+		logHandler = slog.NewJSONHandler(logOutput, logHandlerOptions)
+	case "text":
+		logHandler = slog.NewTextHandler(logOutput, logHandlerOptions)
+	default:
+		logHandler = slog.NewTextHandler(logOutput, logHandlerOptions)
+	}
+
+	slog.SetDefault(slog.New(logHandler))
+
+	commandLogger := slog.Default().With("component", "cmd")
+
+	router, moduleErrors, routeErrors := showbridge.NewRouter(config)
+
+	for _, moduleError := range moduleErrors {
+		commandLogger.Error("problem initializing module", "index", moduleError.Index, "error", moduleError.Error)
+	}
+
+	for _, routeError := range routeErrors {
+		commandLogger.Error("problem initializing route", "index", routeError.Index, "error", routeError.Error)
+	}
+
+	routerRunner := sync.WaitGroup{}
+
+	routerRunner.Go(func() {
+		router.Run(context.Background())
+	})
+
+	<-ctx.Done()
+	commandLogger.Debug("shutting down router")
+	router.Stop()
+	commandLogger.Debug("waiting for router to exit")
+	routerRunner.Wait()
+	return nil
+}

config.yaml

@@ -1,6 +1,6 @@
 modules:
   - id: http
-    type: net.http.server
+    type: http.server
     params:
       port: 3000
   - id: udp

go.mod

@@ -1,38 +1,43 @@
 module github.com/jwetzell/showbridge-go
 
-go 1.25.3
+go 1.25.5
 
 require (
 	github.com/eclipse/paho.mqtt.golang v1.5.1
-	github.com/emiago/diago v0.23.1-0.20251211215055-e1d875617111
+	github.com/emiago/diago v0.24.0
-	github.com/emiago/sipgo v1.0.1-alpha.0.20251212165843-9c9bcdf9126f
+	github.com/emiago/sipgo v1.1.0
-	github.com/expr-lang/expr v1.17.6
+	github.com/expr-lang/expr v1.17.7
+	github.com/extism/go-sdk v1.7.1
+	github.com/jwetzell/artnet-go v0.1.0
 	github.com/jwetzell/free-d-go v0.1.0
 	github.com/jwetzell/osc-go v0.1.0
 	github.com/jwetzell/psn-go v0.3.0
-	github.com/nats-io/nats.go v1.47.0
+	github.com/nats-io/nats.go v1.48.0
 	github.com/urfave/cli/v3 v3.6.1
 	gitlab.com/gomidi/midi/v2 v2.3.18
 	go.bug.st/serial v1.6.4
-	modernc.org/quickjs v0.17.0
+	modernc.org/quickjs v0.17.1
 	sigs.k8s.io/yaml v1.6.0
 )
 
 require (
 	github.com/creack/goselect v0.1.2 // indirect
 	github.com/dustin/go-humanize v1.0.1 // indirect
+	github.com/dylibso/observe-sdk/go v0.0.0-20240819160327-2d926c5d788a // indirect
 	github.com/go-audio/riff v1.0.0 // indirect
+	github.com/gobwas/glob v0.2.3 // indirect
 	github.com/gobwas/httphead v0.1.0 // indirect
 	github.com/gobwas/pool v0.2.1 // indirect
 	github.com/gobwas/ws v1.4.0 // indirect
 	github.com/google/uuid v1.6.0 // indirect
 	github.com/gorilla/websocket v1.5.3 // indirect
+	github.com/ianlancetaylor/demangle v0.0.0-20240805132620-81f5be970eca // indirect
 	github.com/icholy/digest v1.1.0 // indirect
 	github.com/klauspost/compress v1.18.0 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/nats-io/nkeys v0.4.11 // indirect
 	github.com/nats-io/nuid v1.0.1 // indirect
-	github.com/ncruces/go-strftime v0.1.9 // indirect
+	github.com/ncruces/go-strftime v1.0.0 // indirect
 	github.com/pion/logging v0.2.4 // indirect
 	github.com/pion/randutil v0.1.0 // indirect
 	github.com/pion/rtcp v1.2.16 // indirect
@@ -40,16 +45,20 @@ require (
 	github.com/pion/srtp/v3 v3.0.9 // indirect
 	github.com/pion/transport/v3 v3.1.1 // indirect
 	github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec // indirect
+	github.com/tetratelabs/wabin v0.0.0-20230304001439-f6f874872834 // indirect
+	github.com/tetratelabs/wazero v1.9.0 // indirect
 	github.com/zaf/g711 v1.4.0 // indirect
+	go.opentelemetry.io/proto/otlp v1.3.1 // indirect
 	go.yaml.in/yaml/v2 v2.4.2 // indirect
 	golang.org/x/crypto v0.42.0 // indirect
-	golang.org/x/exp v0.0.0-20250620022241-b7579e27df2b // indirect
+	golang.org/x/exp v0.0.0-20251023183803-a4bb9ffd2546 // indirect
 	golang.org/x/net v0.44.0 // indirect
 	golang.org/x/sync v0.19.0 // indirect
 	golang.org/x/sys v0.39.0 // indirect
+	google.golang.org/protobuf v1.34.2 // indirect
 	gopkg.in/hraban/opus.v2 v2.0.0-20230925203106-0188a62cb302 // indirect
-	modernc.org/libc v1.66.10 // indirect
+	modernc.org/libc v1.67.1 // indirect
-	modernc.org/libquickjs v0.12.2 // indirect
+	modernc.org/libquickjs v0.12.3 // indirect
 	modernc.org/mathutil v1.7.1 // indirect
 	modernc.org/memory v1.11.0 // indirect
 )

go.sum

@@ -4,16 +4,22 @@ 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/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=
+github.com/dylibso/observe-sdk/go v0.0.0-20240819160327-2d926c5d788a/go.mod h1:C8DzXehI4zAbrdlbtOByKX6pfivJTBiV9Jjqv56Yd9Q=
 github.com/eclipse/paho.mqtt.golang v1.5.1 h1:/VSOv3oDLlpqR2Epjn1Q7b2bSTplJIeV2ISgCl2W7nE=
 github.com/eclipse/paho.mqtt.golang v1.5.1/go.mod h1:1/yJCneuyOoCOzKSsOTUc0AJfpsItBGWvYpBLimhArU=
-github.com/emiago/diago v0.23.1-0.20251211215055-e1d875617111 h1:jqhOZbH40pf2jiUhGaBNk334wOtNYvAaXg/mHOXhy/Y=
+github.com/emiago/diago v0.24.0 h1:NJ94m/h04SPIDet9x19IZoMDss+fRJ58HHqUqfHI4GY=
-github.com/emiago/diago v0.23.1-0.20251211215055-e1d875617111/go.mod h1:3vLCCq8/G/Ei5I64IHtrmBTag+nPLcgXcKeN1KkLtuc=
+github.com/emiago/diago v0.24.0/go.mod h1:MwO7aQbGtgOdfm0Soj6XqEfAcskstixiS9gnxMV9xeo=
-github.com/emiago/sipgo v1.0.1-alpha.0.20251212165843-9c9bcdf9126f h1:n3wpx7ZyJBr0popXyATnTUZp/AdLIHjKbnKzr4ruF7g=
+github.com/emiago/sipgo v1.1.0 h1:ryr9DhoDercbyCmCtGiZD/uB1NY745DZpsUHfSbWWaI=
-github.com/emiago/sipgo v1.0.1-alpha.0.20251212165843-9c9bcdf9126f/go.mod h1:DuwAxBZhKMqIzQFPGZb1MVAGU6Wuxj64oTOhd5dx/FY=
+github.com/emiago/sipgo v1.1.0/go.mod h1:DuwAxBZhKMqIzQFPGZb1MVAGU6Wuxj64oTOhd5dx/FY=
-github.com/expr-lang/expr v1.17.6 h1:1h6i8ONk9cexhDmowO/A64VPxHScu7qfSl2k8OlINec=
+github.com/expr-lang/expr v1.17.7 h1:Q0xY/e/2aCIp8g9s/LGvMDCC5PxYlvHgDZRQ4y16JX8=
-github.com/expr-lang/expr v1.17.6/go.mod h1:8/vRC7+7HBzESEqt5kKpYXxrxkr31SaO8r40VO/1IT4=
+github.com/expr-lang/expr v1.17.7/go.mod h1:8/vRC7+7HBzESEqt5kKpYXxrxkr31SaO8r40VO/1IT4=
+github.com/extism/go-sdk v1.7.1 h1:lWJos6uY+tRFdlIHR+SJjwFDApY7OypS/2nMhiVQ9Sw=
+github.com/extism/go-sdk v1.7.1/go.mod h1:IT+Xdg5AZM9hVtpFUA+uZCJMge/hbvshl8bwzLtFyKA=
 github.com/go-audio/riff v1.0.0 h1:d8iCGbDvox9BfLagY94fBynxSPHO80LmZCaOsmKxokA=
 github.com/go-audio/riff v1.0.0/go.mod h1:l3cQwc85y79NQFCRB7TiPoNiaijp6q8Z0Uv38rVG498=
+github.com/gobwas/glob v0.2.3 h1:A4xDbljILXROh+kObIiy5kIaPYD8e96x1tgBhUI5J+Y=
+github.com/gobwas/glob v0.2.3/go.mod h1:d3Ez4x06l9bZtSvzIay5+Yzi0fmZzPgnTbPcKjJAkT8=
 github.com/gobwas/httphead v0.1.0 h1:exrUm0f4YX0L7EBwZHuCF4GDp8aJfVeBrlLQrs6NqWU=
 github.com/gobwas/httphead v0.1.0/go.mod h1:O/RXo79gxV8G+RqlR/otEwx4Q36zl9rqC5u12GKvMCM=
 github.com/gobwas/pool v0.2.1 h1:xfeeEhW7pwmX8nuLVlqbzVc7udMDrwetjEv+TZIz1og=
@@ -28,8 +34,12 @@ github.com/gorilla/websocket v1.5.3 h1:saDtZ6Pbx/0u+bgYQ3q96pZgCzfhKXGPqt7kZ72aN
 github.com/gorilla/websocket v1.5.3/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
 github.com/hashicorp/golang-lru/v2 v2.0.7 h1:a+bsQ5rvGLjzHuww6tVxozPZFVghXaHOwFs4luLUK2k=
 github.com/hashicorp/golang-lru/v2 v2.0.7/go.mod h1:QeFd9opnmA6QUJc5vARoKUSoFhyfM2/ZepoAG6RGpeM=
+github.com/ianlancetaylor/demangle v0.0.0-20240805132620-81f5be970eca h1:T54Ema1DU8ngI+aef9ZhAhNGQhcRTrWxVeG07F+c/Rw=
+github.com/ianlancetaylor/demangle v0.0.0-20240805132620-81f5be970eca/go.mod h1:gx7rwoVhcfuVKG5uya9Hs3Sxj7EIvldVofAWIUtGouw=
 github.com/icholy/digest v1.1.0 h1:HfGg9Irj7i+IX1o1QAmPfIBNu/Q5A5Tu3n/MED9k9H4=
 github.com/icholy/digest v1.1.0/go.mod h1:QNrsSGQ5v7v9cReDI0+eyjsXGUoRSUZQHeQ5C4XLa0Y=
+github.com/jwetzell/artnet-go v0.1.0 h1:cW2BUkEwLMMMsYSlvGhDtE3ZTgYpvjnRy/OYLPNPk1U=
+github.com/jwetzell/artnet-go v0.1.0/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 v0.1.0 h1:EXxup5VWBErHot2Ri4MFToPf6KCzLDTbCt2x6GLfw8I=
@@ -44,14 +54,14 @@ github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
 github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
 github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
 github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
-github.com/nats-io/nats.go v1.47.0 h1:YQdADw6J/UfGUd2Oy6tn4Hq6YHxCaJrVKayxxFqYrgM=
+github.com/nats-io/nats.go v1.48.0 h1:pSFyXApG+yWU/TgbKCjmm5K4wrHu86231/w84qRVR+U=
-github.com/nats-io/nats.go v1.47.0/go.mod h1:iRWIPokVIFbVijxuMQq4y9ttaBTMe0SFdlZfMDd+33g=
+github.com/nats-io/nats.go v1.48.0/go.mod h1:iRWIPokVIFbVijxuMQq4y9ttaBTMe0SFdlZfMDd+33g=
 github.com/nats-io/nkeys v0.4.11 h1:q44qGV008kYd9W1b1nEBkNzvnWxtRSQ7A8BoqRrcfa0=
 github.com/nats-io/nkeys v0.4.11/go.mod h1:szDimtgmfOi9n25JpfIdGw12tZFYXqhGxjhVxsatHVE=
 github.com/nats-io/nuid v1.0.1 h1:5iA8DT8V7q8WK2EScv2padNa/rTESc1KdnPw4TC2paw=
 github.com/nats-io/nuid v1.0.1/go.mod h1:19wcPz3Ph3q0Jbyiqsd0kePYG7A95tJPxeL+1OSON2c=
-github.com/ncruces/go-strftime v0.1.9 h1:bY0MQC28UADQmHmaF5dgpLmImcShSi2kHU9XLdhx/f4=
+github.com/ncruces/go-strftime v1.0.0 h1:HMFp8mLCTPp341M/ZnA4qaf7ZlsbTc+miZjCLOFAw7w=
-github.com/ncruces/go-strftime v0.1.9/go.mod h1:Fwc5htZGVVkseilnfgOVb9mKy6w1naJmn9CehxcKcls=
+github.com/ncruces/go-strftime v1.0.0/go.mod h1:Fwc5htZGVVkseilnfgOVb9mKy6w1naJmn9CehxcKcls=
 github.com/pion/logging v0.2.4 h1:tTew+7cmQ+Mc1pTBLKH2puKsOvhm32dROumOZ655zB8=
 github.com/pion/logging v0.2.4/go.mod h1:DffhXTKYdNZU+KtJ5pyQDjvOAh/GsNSyv1lbkFbe3so=
 github.com/pion/randutil v0.1.0 h1:CFG1UdESneORglEsnimhUjf33Rwjubwj6xfiOXBa3mA=
@@ -72,6 +82,10 @@ github.com/rogpeppe/go-internal v1.13.1 h1:KvO1DLK/DRN07sQ1LQKScxyZJuNnedQ5/wKSR
 github.com/rogpeppe/go-internal v1.13.1/go.mod h1:uMEvuHeurkdAXX61udpOXGD/AzZDWNMNyH2VO9fmH0o=
 github.com/stretchr/testify v1.11.1 h1:7s2iGBzp5EwR7/aIZr8ao5+dra3wiQyKjjFuvgVKu7U=
 github.com/stretchr/testify v1.11.1/go.mod h1:wZwfW3scLgRK+23gO65QZefKpKQRnfz6sD981Nm4B6U=
+github.com/tetratelabs/wabin v0.0.0-20230304001439-f6f874872834 h1:ZF+QBjOI+tILZjBaFj3HgFonKXUcwgJ4djLb6i42S3Q=
+github.com/tetratelabs/wabin v0.0.0-20230304001439-f6f874872834/go.mod h1:m9ymHTgNSEjuxvw8E7WWe4Pl4hZQHXONY8wE6dMLaRk=
+github.com/tetratelabs/wazero v1.9.0 h1:IcZ56OuxrtaEz8UYNRHBrUa9bYeX9oVY93KspZZBf/I=
+github.com/tetratelabs/wazero v1.9.0/go.mod h1:TSbcXCfFP0L2FGkRPxHphadXPjo1T6W+CseNNY7EkjM=
 github.com/urfave/cli/v3 v3.6.1 h1:j8Qq8NyUawj/7rTYdBGrxcH7A/j7/G8Q5LhWEW4G3Mo=
 github.com/urfave/cli/v3 v3.6.1/go.mod h1:ysVLtOEmg2tOy6PknnYVhDoouyC/6N42TMeoMzskhso=
 github.com/zaf/g711 v1.4.0 h1:XZYkjjiAg9QTBnHqEg37m2I9q3IIDv5JRYXs2N8ma7c=
@@ -80,16 +94,18 @@ gitlab.com/gomidi/midi/v2 v2.3.18 h1:sj2fOhtvOe+zI8YJe8qTxLw5zv0ntULLUDwcFOaZQbI
 gitlab.com/gomidi/midi/v2 v2.3.18/go.mod h1:jDpP4O4skYi+7iVwt6Zyp18bd2M4hkjtMuw2cmgKgfw=
 go.bug.st/serial v1.6.4 h1:7FmqNPgVp3pu2Jz5PoPtbZ9jJO5gnEnZIvnI1lzve8A=
 go.bug.st/serial v1.6.4/go.mod h1:nofMJxTeNVny/m6+KaafC6vJGj3miwQZ6vW4BZUGJPI=
+go.opentelemetry.io/proto/otlp v1.3.1 h1:TrMUixzpM0yuc/znrFTP9MMRh8trP93mkCiDVeXrui0=
+go.opentelemetry.io/proto/otlp v1.3.1/go.mod h1:0X1WI4de4ZsLrrJNLAQbFeLCm3T7yBkR0XqQ7niQU+8=
 go.yaml.in/yaml/v2 v2.4.2 h1:DzmwEr2rDGHl7lsFgAHxmNz/1NlQ7xLIrlN2h5d1eGI=
 go.yaml.in/yaml/v2 v2.4.2/go.mod h1:081UH+NErpNdqlCXm3TtEran0rJZGxAYx9hb/ELlsPU=
 go.yaml.in/yaml/v3 v3.0.3 h1:bXOww4E/J3f66rav3pX3m8w6jDE4knZjGOw8b5Y6iNE=
 go.yaml.in/yaml/v3 v3.0.3/go.mod h1:tBHosrYAkRZjRAOREWbDnBXUf08JOwYq++0QNwQiWzI=
 golang.org/x/crypto v0.42.0 h1:chiH31gIWm57EkTXpwnqf8qeuMUi0yekh6mT2AvFlqI=
 golang.org/x/crypto v0.42.0/go.mod h1:4+rDnOTJhQCx2q7/j6rAN5XDw8kPjeaXEUR2eL94ix8=
-golang.org/x/exp v0.0.0-20250620022241-b7579e27df2b h1:M2rDM6z3Fhozi9O7NWsxAkg/yqS/lQJ6PmkyIV3YP+o=
+golang.org/x/exp v0.0.0-20251023183803-a4bb9ffd2546 h1:mgKeJMpvi0yx/sU5GsxQ7p6s2wtOnGAHZWCHUM4KGzY=
-golang.org/x/exp v0.0.0-20250620022241-b7579e27df2b/go.mod h1:3//PLf8L/X+8b4vuAfHzxeRUl04Adcb341+IGKfnqS8=
+golang.org/x/exp v0.0.0-20251023183803-a4bb9ffd2546/go.mod h1:j/pmGrbnkbPtQfxEe5D0VQhZC6qKbfKifgD0oM7sR70=
-golang.org/x/mod v0.29.0 h1:HV8lRxZC4l2cr3Zq1LvtOsi/ThTgWnUk/y64QSs8GwA=
+golang.org/x/mod v0.30.0 h1:fDEXFVZ/fmCKProc/yAXXUijritrDzahmwwefnjoPFk=
-golang.org/x/mod v0.29.0/go.mod h1:NyhrlYXJ2H4eJiRy/WDBO6HMqZQ6q9nk4JzS3NuCK+w=
+golang.org/x/mod v0.30.0/go.mod h1:lAsf5O2EvJeSFMiBxXDki7sCgAxEUcZHXoXMKT4GJKc=
 golang.org/x/net v0.44.0 h1:evd8IRDyfNBMBTTY5XRF1vaZlD+EmWx6x8PkhR04H/I=
 golang.org/x/net v0.44.0/go.mod h1:ECOoLqd5U3Lhyeyo/QDCEVQ4sNgYsqvCZ722XogGieY=
 golang.org/x/sync v0.19.0 h1:vV+1eWNmZ5geRlYjzm2adRgW2/mcpevXNg50YZtPCE4=
@@ -97,8 +113,10 @@ golang.org/x/sync v0.19.0/go.mod h1:9KTHXmSnoGruLpwFjVSX0lNNA75CykiMECbovNTZqGI=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.39.0 h1:CvCKL8MeisomCi6qNZ+wbb0DN9E5AATixKsvNtMoMFk=
 golang.org/x/sys v0.39.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
-golang.org/x/tools v0.37.0 h1:DVSRzp7FwePZW356yEAChSdNcQo6Nsp+fex1SUW09lE=
+golang.org/x/tools v0.38.0 h1:Hx2Xv8hISq8Lm16jvBZ2VQf+RLmbd7wVUsALibYI/IQ=
-golang.org/x/tools v0.37.0/go.mod h1:MBN5QPQtLMHVdvsbtarmTNukZDdgwdwlO5qGacAzF0w=
+golang.org/x/tools v0.38.0/go.mod h1:yEsQ/d/YK8cjh0L6rZlY8tgtlKiBNTL14pGDJPJpYQs=
+google.golang.org/protobuf v1.34.2 h1:6xV6lTsCfpGD21XK49h7MhtcApnLqkfYgPcdHftf6hg=
+google.golang.org/protobuf v1.34.2/go.mod h1:qYOHts0dSfpeUzUFpOMr/WGzszTmLH+DiWniOlNbLDw=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
@@ -120,18 +138,18 @@ modernc.org/gc/v3 v3.1.1 h1:k8T3gkXWY9sEiytKhcgyiZ2L0DTyCQ/nvX+LoCljoRE=
 modernc.org/gc/v3 v3.1.1/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 v1.66.10 h1:yZkb3YeLx4oynyR+iUsXsybsX4Ubx7MQlSYEw4yj59A=
+modernc.org/libc v1.67.1 h1:bFaqOaa5/zbWYJo8aW0tXPX21hXsngG2M7mckCnFSVk=
-modernc.org/libc v1.66.10/go.mod h1:8vGSEwvoUoltr4dlywvHqjtAqHBaw0j1jI7iFBTAr2I=
+modernc.org/libc v1.67.1/go.mod h1:QvvnnJ5P7aitu0ReNpVIEyesuhmDLQ8kaEoyMjIFZJA=
-modernc.org/libquickjs v0.12.2 h1:XtF6iD+aoN/pEz1MAQjg1wMZT412pzmOlO11UGLW/wQ=
+modernc.org/libquickjs v0.12.3 h1:2IU9B6njBmce2PuYttJDkXeoLRV9WnvgP+eU5HAC8YI=
-modernc.org/libquickjs v0.12.2/go.mod h1:n+vyuJ4mXh1pQYt1bJttvoCE+2t+MqCM8BFlcSDg/70=
+modernc.org/libquickjs v0.12.3/go.mod h1:iCsgVxnHTX3i0YPxxHBmJk0GLA5sVUHXWI/090UXgeE=
 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 v0.1.4/go.mod h1:03fq9lsNfvkYSfxrfUhZCWPk1lm4cq4N+Bh//bEtgns=
-modernc.org/quickjs v0.17.0 h1:gYZRSCKVokyOiHhZEKwran/NoBaGjAaWk+xJq52SWfQ=
+modernc.org/quickjs v0.17.1 h1:CbYnbTf7ksZk9YZ1rRM2Ab1Zfi+X6s50kXiOhpd2NIg=
-modernc.org/quickjs v0.17.0/go.mod h1:TE+wpAYX4V7Nvi/sHRUrd9l5L176ZIiS0as3MMObvC0=
+modernc.org/quickjs v0.17.1/go.mod h1:hATT7DIJc33I5Q/Fjffhm0tpUHNSqdKHma/ossibTA0=
 modernc.org/sortutil v1.2.1 h1:+xyoGf15mM3NMlPDnFqrteY07klSFxLElE2PVuWIJ7w=
 modernc.org/sortutil v1.2.1/go.mod h1:7ZI3a3REbai7gzCLcotuw9AC4VZVpYMjDzETGsSMqJE=
 modernc.org/strutil v1.2.1 h1:UneZBkQA+DX2Rp35KcM69cSsNES9ly8mQWD71HKlOA0=

internal/framer/framer.go

@@ -1,9 +1,5 @@
 package framer
 
-import (
-	"fmt"
-)
-
 type Framer interface {
 	Decode([]byte) [][]byte
 	Encode([]byte) []byte
@@ -11,19 +7,19 @@ type Framer interface {
 	Buffer() []byte
 }
 
-func GetFramer(framingType string) (Framer, error) {
+func GetFramer(framingType string) Framer {
 	switch framingType {
 	case "CR":
-		return NewByteSeparatorFramer([]byte{'\r'}), nil
+		return NewByteSeparatorFramer([]byte{'\r'})
 	case "LF":
-		return NewByteSeparatorFramer([]byte{'\n'}), nil
+		return NewByteSeparatorFramer([]byte{'\n'})
 	case "CRLF":
-		return NewByteSeparatorFramer([]byte{'\r', '\n'}), nil
+		return NewByteSeparatorFramer([]byte{'\r', '\n'})
 	case "SLIP":
-		return NewSlipFramer(), nil
+		return NewSlipFramer()
 	case "RAW":
-		return NewRawFramer(), nil
+		return NewRawFramer()
 	default:
-		return nil, fmt.Errorf("unknown framing method: %s", framingType)
+		return nil
 	}
 }

internal/framer/framer_test.go

@@ -0,0 +1,15 @@
+package framer_test
+
+import (
+	"testing"
+
+	"github.com/jwetzell/showbridge-go/internal/framer"
+)
+
+func TestNilGetFramer(t *testing.T) {
+	nilFramer := framer.GetFramer("asldfiudchuehrkbjbkjrbb")
+
+	if nilFramer != nil {
+		t.Fatalf("Expected nil framer, got %v", nilFramer)
+	}
+}

internal/framer/raw_test.go

@@ -0,0 +1,78 @@
+package framer_test
+
+import (
+	"slices"
+	"testing"
+
+	"github.com/jwetzell/showbridge-go/internal/framer"
+)
+
+func TestGoodRawFramerDecode(t *testing.T) {
+	tests := []struct {
+		name     string
+		framer   framer.Framer
+		input    []byte
+		expected [][]byte
+	}{
+		{
+			name:   "basic raw framer",
+			framer: framer.GetFramer("RAW"),
+			input:  []byte("Hello\nWorld\nThis is a test\n"),
+			expected: [][]byte{
+				[]byte("Hello\nWorld\nThis is a test\n"),
+			},
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			frames := test.framer.Decode(test.input)
+			if len(frames) != len(test.expected) {
+				t.Fatalf("raw framer got %d frames, expected %d", len(frames), len(test.expected))
+			}
+			for i, frame := range frames {
+				if !slices.Equal(frame, test.expected[i]) {
+					t.Errorf("raw framer frame %d got %s, expected %s", i, frame, test.expected[i])
+				}
+			}
+		})
+	}
+}
+
+func TestGoodRawFramerEncode(t *testing.T) {
+	tests := []struct {
+		name     string
+		framer   framer.Framer
+		expected []byte
+		input    []byte
+	}{
+		{
+			name:     "basic raw framer",
+			framer:   framer.GetFramer("RAW"),
+			expected: []byte("Hello\nWorld\nThis is a test\n"),
+			input:    []byte("Hello\nWorld\nThis is a test\n"),
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			frame := test.framer.Encode(test.input)
+			if !slices.Equal(frame, test.expected) {
+				t.Fatalf("raw frame encode got %s, expected %s", frame, test.expected)
+			}
+		})
+	}
+}
+
+func TestRawFramerBuffer(t *testing.T) {
+	framer := framer.GetFramer("RAW")
+	framer.Decode([]byte("Hello, World!"))
+
+	if !slices.Equal(framer.Buffer(), []byte{}) {
+		t.Fatalf("raw framer buffer got %s, expected empty", framer.Buffer())
+	}
+	framer.Clear()
+	if !slices.Equal(framer.Buffer(), []byte{}) {
+		t.Fatalf("raw framer buffer got %s, expected empty after clear", framer.Buffer())
+	}
+}

internal/framer/separator_test.go

@@ -7,7 +7,7 @@ import (
 	"github.com/jwetzell/showbridge-go/internal/framer"
 )
 
-func TestGoodSeparatorFramer(t *testing.T) {
+func TestGoodSeparatorFramerDecode(t *testing.T) {
 	tests := []struct {
 		name     string
 		framer   framer.Framer
@@ -17,7 +17,7 @@ func TestGoodSeparatorFramer(t *testing.T) {
 	}{
 		{
 			name:   "new line separator",
-			framer: framer.NewByteSeparatorFramer([]byte{0x0a}),
+			framer: framer.GetFramer("LF"),
 			input:  []byte("Hello\nWorld\nThis is a test\n"),
 			expected: [][]byte{
 				[]byte("Hello"),
@@ -26,9 +26,20 @@ func TestGoodSeparatorFramer(t *testing.T) {
 			},
 			buffer: []byte{},
 		},
+		{
+			name:   "CR separator",
+			framer: framer.GetFramer("CR"),
+			input:  []byte("Hello\rWorld\rThis is a test\r"),
+			expected: [][]byte{
+				[]byte("Hello"),
+				[]byte("World"),
+				[]byte("This is a test"),
+			},
+			buffer: []byte{},
+		},
 		{
 			name:   "CRLF separator",
-			framer: framer.NewByteSeparatorFramer([]byte{0x0d, 0x0a}),
+			framer: framer.GetFramer("CRLF"),
 			input:  []byte("Hello\r\nWorld\r\nThis is a test\r\n"),
 			expected: [][]byte{
 				[]byte("Hello"),
@@ -39,7 +50,7 @@ func TestGoodSeparatorFramer(t *testing.T) {
 		},
 		{
 			name:   "extra data after separator",
-			framer: framer.NewByteSeparatorFramer([]byte{0x0d, 0x0a}),
+			framer: framer.GetFramer("CRLF"),
 			input:  []byte("Hello\r\nWorld\r\nThis is a test\r\nextra"),
 			expected: [][]byte{
 				[]byte("Hello"),
@@ -54,7 +65,7 @@ func TestGoodSeparatorFramer(t *testing.T) {
 		t.Run(test.name, func(t *testing.T) {
 			frames := test.framer.Decode(test.input)
 			if len(frames) != len(test.expected) {
-				t.Errorf("separator framer got %d frames, expected %d", len(frames), len(test.expected))
+				t.Fatalf("separator framer got %d frames, expected %d", len(frames), len(test.expected))
 			}
 			for i, frame := range frames {
 				if !slices.Equal(frame, test.expected[i]) {
@@ -62,8 +73,58 @@ func TestGoodSeparatorFramer(t *testing.T) {
 				}
 			}
 			if !slices.Equal(test.framer.Buffer(), test.buffer) {
-				t.Errorf("separator framer buffer got %s, expected %s", test.framer.Buffer(), test.buffer)
+				t.Fatalf("separator framer buffer got %s, expected %s", test.framer.Buffer(), test.buffer)
 			}
 		})
 	}
 }
+
+func TestGoodSeparatorFramerEncode(t *testing.T) {
+	tests := []struct {
+		name     string
+		framer   framer.Framer
+		input    []byte
+		expected []byte
+	}{
+		{
+			name:     "new line separator",
+			framer:   framer.GetFramer("LF"),
+			input:    []byte("Hello"),
+			expected: []byte("Hello\n"),
+		},
+		{
+			name:     "CR separator",
+			framer:   framer.GetFramer("CR"),
+			input:    []byte("Hello"),
+			expected: []byte("Hello\r"),
+		},
+		{
+			name:     "CRLF separator",
+			framer:   framer.GetFramer("CRLF"),
+			input:    []byte("Hello"),
+			expected: []byte("Hello\r\n"),
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			frame := test.framer.Encode(test.input)
+			if !slices.Equal(frame, test.expected) {
+				t.Fatalf("separator framer got %s, expected %s", frame, test.expected)
+			}
+		})
+	}
+}
+
+func TestSeparatorFrameBuffer(t *testing.T) {
+	framer := framer.GetFramer("LF")
+	framer.Decode([]byte("Hello\nWorld\nThis is a test\nextra"))
+	if !slices.Equal(framer.Buffer(), []byte("extra")) {
+		t.Fatalf("separator framer buffer got %s, expected %s", framer.Buffer(), []byte("extra"))
+	}
+
+	framer.Clear()
+	if !slices.Equal(framer.Buffer(), []byte{}) {
+		t.Fatalf("separator framer buffer got %s, expected empty slice", framer.Buffer())
+	}
+}

internal/framer/slip.go

@@ -59,9 +59,9 @@ func (sf *SlipFramer) Encode(data []byte) []byte {
 	for _, byteToEncode := range data {
 		switch byteToEncode {
 		case END:
-			encodedBytes = append(encodedBytes, ESC_END)
+			encodedBytes = append(encodedBytes, ESC, ESC_END)
 		case ESC:
-			encodedBytes = append(encodedBytes, ESC_ESC)
+			encodedBytes = append(encodedBytes, ESC, ESC_ESC)
 		default:
 			encodedBytes = append(encodedBytes, byteToEncode)
 		}

internal/framer/slip_test.go

@@ -7,7 +7,7 @@ import (
 	"github.com/jwetzell/showbridge-go/internal/framer"
 )
 
-func TestGoodSLIPFramer(t *testing.T) {
+func TestGoodSLIPFramerDecode(t *testing.T) {
 	tests := []struct {
 		name     string
 		framer   framer.Framer
@@ -17,20 +17,34 @@ func TestGoodSLIPFramer(t *testing.T) {
 	}{
 		{
 			name:   "OSC SLIP messages",
-			framer: framer.NewSlipFramer(),
+			framer: framer.GetFramer("SLIP"),
 			input:  []byte{0xc0, 0x2f, 0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x00, 0x00, 0x2c, 0x00, 0x00, 0x00, 0xc0},
 			expected: [][]byte{
 				{0x2f, 0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x00, 0x00, 0x2c, 0x00, 0x00, 0x00},
 			},
 			buffer: []byte{},
 		},
+		{
+			name:     "SLIP decode escaped end",
+			framer:   framer.GetFramer("SLIP"),
+			expected: [][]byte{{0xc0}},
+			input:    []byte{0xc0, 0xdb, 0xdc, 0xc0},
+			buffer:   []byte{},
+		},
+		{
+			name:     "SLIP decode escaped escape",
+			framer:   framer.GetFramer("SLIP"),
+			expected: [][]byte{{0xdb}},
+			input:    []byte{0xc0, 0xdb, 0xdd, 0xc0},
+			buffer:   []byte{},
+		},
 	}
 
 	for _, test := range tests {
 		t.Run(test.name, func(t *testing.T) {
 			frames := test.framer.Decode(test.input)
 			if len(frames) != len(test.expected) {
-				t.Errorf("SLIP framer got %d frames, expected %d", len(frames), len(test.expected))
+				t.Fatalf("SLIP framer got %d frames, expected %d", len(frames), len(test.expected))
 			}
 			for i, frame := range frames {
 				if !slices.Equal(frame, test.expected[i]) {
@@ -38,8 +52,59 @@ func TestGoodSLIPFramer(t *testing.T) {
 				}
 			}
 			if !slices.Equal(test.framer.Buffer(), test.buffer) {
-				t.Errorf("SLIP framer buffer got %s, expected %s", test.framer.Buffer(), test.buffer)
+				t.Fatalf("SLIP framer buffer got %s, expected %s", test.framer.Buffer(), test.buffer)
 			}
 		})
 	}
 }
+
+func TestGoodSLIPFramerEncode(t *testing.T) {
+	tests := []struct {
+		name     string
+		framer   framer.Framer
+		input    []byte
+		expected []byte
+	}{
+		{
+			name:   "OSC SLIP messages",
+			framer: framer.GetFramer("SLIP"),
+			input: []byte{
+				0x2f, 0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x00, 0x00, 0x2c, 0x00, 0x00, 0x00,
+			},
+			expected: []byte{0xc0, 0x2f, 0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x00, 0x00, 0x2c, 0x00, 0x00, 0x00, 0xc0},
+		},
+		{
+			name:     "SLIP encode end",
+			framer:   framer.GetFramer("SLIP"),
+			input:    []byte{0xc0},
+			expected: []byte{0xc0, 0xdb, 0xdc, 0xc0},
+		},
+		{
+			name:     "SLIP encode esc",
+			framer:   framer.GetFramer("SLIP"),
+			input:    []byte{0xdb},
+			expected: []byte{0xc0, 0xdb, 0xdd, 0xc0},
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			frame := test.framer.Encode(test.input)
+			if !slices.Equal(frame, test.expected) {
+				t.Fatalf("SLIP framer frame got %s, expected %s", frame, test.expected)
+			}
+		})
+	}
+}
+
+func TestSlipFramerBuffer(t *testing.T) {
+	framer := framer.GetFramer("SLIP")
+	framer.Decode([]byte{0xc0, 0x2f, 0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x00, 0x00, 0x2c, 0x00, 0x00, 0x00, 0xc0, 0xc0, 0x45})
+	if !slices.Equal(framer.Buffer(), []byte{0x45}) {
+		t.Fatalf("SLIP framer buffer got %s, expected %s", framer.Buffer(), []byte{0x45})
+	}
+	framer.Clear()
+	if !slices.Equal(framer.Buffer(), []byte{}) {
+		t.Fatalf("SLIP framer buffer got %s, expected empty slice", framer.Buffer())
+	}
+}

internal/module/http-client.go

@@ -2,7 +2,7 @@ package module
 
 import (
 	"context"
-	"fmt"
+	"errors"
 	"log/slog"
 	"net/http"
 	"time"
@@ -16,14 +16,15 @@ type HTTPClient struct {
 	ctx    context.Context
 	client *http.Client
 	router route.RouteIO
+	logger *slog.Logger
 }
 
 func init() {
 	RegisterModule(ModuleRegistration{
 		Type: "http.client",
-		New: func(ctx context.Context, config config.ModuleConfig, router route.RouteIO) (Module, error) {
+		New: func(config config.ModuleConfig) (Module, error) {
 
-			return &HTTPClient{config: config, ctx: ctx, router: router}, nil
+			return &HTTPClient{config: config, logger: CreateLogger(config)}, nil
 		},
 	})
 }
@@ -36,27 +37,34 @@ func (hc *HTTPClient) Type() string {
 	return hc.config.Type
 }
 
-func (hc *HTTPClient) Run() error {
+func (hc *HTTPClient) Run(ctx context.Context) error {
+	router, ok := ctx.Value(route.RouterContextKey).(route.RouteIO)
+
+	if !ok {
+		return errors.New("http.client unable to get router from context")
+	}
+	hc.router = router
+	hc.ctx = ctx
 
 	hc.client = &http.Client{
 		Timeout: 10 * time.Second,
 	}
 
 	<-hc.ctx.Done()
-	slog.Debug("router context done in module", "id", hc.Id())
+	hc.logger.Debug("done")
 	return nil
 }
 
-func (hc *HTTPClient) Output(payload any) error {
+func (hc *HTTPClient) Output(ctx context.Context, payload any) error {
 
 	payloadRequest, ok := payload.(*http.Request)
 
 	if !ok {
-		return fmt.Errorf("http.client is only able to output an http.Request")
+		return errors.New("http.client is only able to output an http.Request")
 	}
 
 	if hc.client == nil {
-		return fmt.Errorf("http.client client is nil")
+		return errors.New("http.client client is nil")
 	}
 
 	response, err := hc.client.Do(payloadRequest)
@@ -66,7 +74,7 @@ func (hc *HTTPClient) Output(payload any) error {
 	}
 
 	if hc.router != nil {
-		hc.router.HandleInput(hc.Id(), response)
+		hc.router.HandleInput(hc.ctx, hc.Id(), response)
 	}
 
 	return nil

internal/module/http-server.go

@@ -3,11 +3,13 @@ package module
 import (
 	"context"
 	"encoding/json"
+	"errors"
 	"fmt"
 	"log/slog"
 	"net/http"
 
 	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/processor"
 	"github.com/jwetzell/showbridge-go/internal/route"
 )
 
@@ -16,30 +18,56 @@ type HTTPServer struct {
 	Port   uint16
 	ctx    context.Context
 	router route.RouteIO
+	logger *slog.Logger
 }
 
-type ResponseData struct {
+type ResponseIOError struct {
-	Message string `json:"message"`
+	Index        int      `json:"index"`
-	Status  string `json:"status"`
+	OutputErrors []string `json:"outputErrors"`
+	ProcessError *string  `json:"processError"`
+	InputError   *string  `json:"inputError"`
+}
+
+type IOResponseData struct {
+	IOErrors []ResponseIOError `json:"ioErrors"`
+	Message  string            `json:"message"`
+	Status   string            `json:"status"`
+}
+
+type httpServerContextKey string
+
+type HTTPServerResponseWriter struct {
+	http.ResponseWriter
+	done bool
+}
+
+func (hsrw *HTTPServerResponseWriter) WriteHeader(status int) {
+	hsrw.done = true
+	hsrw.ResponseWriter.WriteHeader(status)
+}
+
+func (hsrw *HTTPServerResponseWriter) Write(data []byte) (int, error) {
+	hsrw.done = true
+	return hsrw.ResponseWriter.Write(data)
 }
 
 func init() {
 	RegisterModule(ModuleRegistration{
 		Type: "http.server",
-		New: func(ctx context.Context, config config.ModuleConfig, router route.RouteIO) (Module, error) {
+		New: func(config config.ModuleConfig) (Module, error) {
 			params := config.Params
 			port, ok := params["port"]
 			if !ok {
-				return nil, fmt.Errorf("http.server requires a port parameter")
+				return nil, errors.New("http.server requires a port parameter")
 			}
 
 			portNum, ok := port.(float64)
 
 			if !ok {
-				return nil, fmt.Errorf("http.server port must be uint16")
+				return nil, errors.New("http.server port must be uint16")
 			}
 
-			return &HTTPServer{Port: uint16(portNum), config: config, ctx: ctx, router: router}, nil
+			return &HTTPServer{Port: uint16(portNum), config: config, logger: CreateLogger(config)}, nil
 		},
 	})
 }
@@ -52,58 +80,127 @@ func (hs *HTTPServer) Type() string {
 	return hs.config.Type
 }
 
-func (hs *HTTPServer) HandleDefault(w http.ResponseWriter, r *http.Request) {
+func (hs *HTTPServer) ServeHTTP(w http.ResponseWriter, r *http.Request) {
-	w.Header().Set("Content-Type", "application/json")
+	responseWriter := HTTPServerResponseWriter{ResponseWriter: w}
 
-	response := ResponseData{
+	response := IOResponseData{
 		Message: "routing successful",
 		Status:  "ok",
 	}
-
 	if hs.router != nil {
-		routingErrors := hs.router.HandleInput(hs.Id(), r)
+		inputContext := context.WithValue(hs.ctx, httpServerContextKey("responseWriter"), &responseWriter)
-		if routingErrors != nil {
+		aRouteFound, routingErrors := hs.router.HandleInput(inputContext, hs.Id(), r)
-			w.WriteHeader(http.StatusInternalServerError)
+		if !responseWriter.done {
-			response.Status = "error"
+			if aRouteFound {
-			response.Message = "routing failed"
+				if routingErrors != nil {
-		} else {
+					w.WriteHeader(http.StatusInternalServerError)
-			w.WriteHeader(http.StatusOK)
+					response.Status = "error"
-			response.Message = "routing successful"
+					response.Message = "routing failed"
+
+					response.IOErrors = []ResponseIOError{}
+					for _, responseIOError := range routingErrors {
+						errorToAdd := ResponseIOError{
+							Index: responseIOError.Index,
+						}
+
+						if responseIOError.InputError != nil {
+							errorMsg := responseIOError.InputError.Error()
+							errorToAdd.InputError = &errorMsg
+						}
+
+						if responseIOError.ProcessError != nil {
+							errorMsg := responseIOError.ProcessError.Error()
+							errorToAdd.ProcessError = &errorMsg
+						}
+
+						if responseIOError.OutputErrors != nil {
+							outputErrorMsgs := []string{}
+
+							for _, outputError := range responseIOError.OutputErrors {
+								outputErrorMsgs = append(outputErrorMsgs, outputError.Error())
+							}
+
+							errorToAdd.OutputErrors = outputErrorMsgs
+						}
+
+						response.IOErrors = append(response.IOErrors, errorToAdd)
+
+					}
+					json.NewEncoder(w).Encode(response)
+					return
+				} else {
+					w.WriteHeader(http.StatusOK)
+					response.Message = "routing successful"
+					json.NewEncoder(w).Encode(response)
+					return
+				}
+			} else {
+				w.WriteHeader(http.StatusNotFound)
+				response.Status = "error"
+				response.Message = "no matching routes found"
+				json.NewEncoder(w).Encode(response)
+				return
+			}
 		}
 	} else {
 		w.WriteHeader(http.StatusInternalServerError)
 		response.Message = "no router registered"
 		response.Status = "error"
+		json.NewEncoder(w).Encode(response)
+		return
 	}
-
-	json.NewEncoder(w).Encode(response)
 }
 
-func (hs *HTTPServer) Run() error {
+func (hs *HTTPServer) Run(ctx context.Context) error {
-	http.HandleFunc("/", hs.HandleDefault)
+	router, ok := ctx.Value(route.RouterContextKey).(route.RouteIO)
+
+	if !ok {
+		return errors.New("http.server unable to get router from context")
+	}
+	hs.router = router
+	hs.ctx = ctx
 
 	httpServer := &http.Server{
 		Addr:    fmt.Sprintf(":%d", hs.Port),
-		Handler: http.DefaultServeMux,
+		Handler: hs,
 	}
 
 	go func() {
 		<-hs.ctx.Done()
-		slog.Debug("router context done in module", "id", hs.Id())
 		httpServer.Close()
 	}()
 
 	err := httpServer.ListenAndServe()
-	slog.Debug("http.server closed", "id", hs.Id())
 	// TODO(jwetzell): handle server closed error differently
 	if err != nil {
-		return err
+		if err.Error() != "http: Server closed" {
+			return err
+		}
 	}
 
 	<-hs.ctx.Done()
+	hs.logger.Debug("done")
 	return nil
 }
 
-func (hs *HTTPServer) Output(payload any) error {
+func (hs *HTTPServer) Output(ctx context.Context, payload any) error {
-	return fmt.Errorf("http.server output is not implemented")
+	responseWriter, ok := ctx.Value(httpServerContextKey("responseWriter")).(*HTTPServerResponseWriter)
+
+	if !ok {
+		return errors.New("http.server output must originate from an http.server input")
+	}
+
+	payloadResponse, ok := payload.(processor.HTTPResponse)
+
+	if !ok {
+		return errors.New("http.server is only able to output HTTPResponse")
+	}
+
+	if responseWriter.done {
+		return errors.New("http.server response writer has already been written to")
+	}
+
+	responseWriter.WriteHeader(payloadResponse.Status)
+	responseWriter.Write(payloadResponse.Body)
+	return nil
 }

internal/module/interval.go

@@ -1,73 +0,0 @@
-package module
-
-import (
-	"context"
-	"fmt"
-	"log/slog"
-	"time"
-
-	"github.com/jwetzell/showbridge-go/internal/config"
-	"github.com/jwetzell/showbridge-go/internal/route"
-)
-
-type Interval struct {
-	config   config.ModuleConfig
-	Duration uint32
-	ctx      context.Context
-	router   route.RouteIO
-	ticker   *time.Ticker
-}
-
-func init() {
-	RegisterModule(ModuleRegistration{
-		Type: "gen.interval",
-		New: func(ctx context.Context, config config.ModuleConfig, router route.RouteIO) (Module, error) {
-			params := config.Params
-
-			duration, ok := params["duration"]
-			if !ok {
-				return nil, fmt.Errorf("gen.interval requires a duration parameter")
-			}
-
-			durationNum, ok := duration.(float64)
-
-			if !ok {
-				return nil, fmt.Errorf("gen.interval duration must be number")
-			}
-
-			return &Interval{Duration: uint32(durationNum), config: config, ctx: ctx, router: router}, nil
-		},
-	})
-}
-
-func (i *Interval) Id() string {
-	return i.config.Id
-}
-
-func (i *Interval) Type() string {
-	return i.config.Type
-}
-
-func (i *Interval) Run() error {
-	ticker := time.NewTicker(time.Millisecond * time.Duration(i.Duration))
-	i.ticker = ticker
-	defer ticker.Stop()
-
-	for {
-		select {
-		case <-i.ctx.Done():
-			slog.Debug("router context done in module", "id", i.Id())
-			return nil
-		case <-ticker.C:
-			if i.router != nil {
-				i.router.HandleInput(i.Id(), time.Now())
-			}
-		}
-	}
-
-}
-
-func (i *Interval) Output(payload any) error {
-	i.ticker.Reset(time.Millisecond * time.Duration(i.Duration))
-	return nil
-}

internal/module/midi-input.go

@@ -4,6 +4,7 @@ package module
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"log/slog"
 
@@ -19,49 +20,57 @@ type MIDIInput struct {
 	router   route.RouteIO
 	Port     string
 	SendFunc func(midi.Message) error
+	logger   *slog.Logger
 }
 
 func init() {
 	RegisterModule(ModuleRegistration{
 		Type: "midi.input",
-		New: func(ctx context.Context, config config.ModuleConfig, router route.RouteIO) (Module, error) {
+		New: func(config config.ModuleConfig) (Module, error) {
 			params := config.Params
 			port, ok := params["port"]
 
 			if !ok {
-				return nil, fmt.Errorf("midi.input requires a port parameter")
+				return nil, errors.New("midi.input requires a port parameter")
 			}
 
 			portString, ok := port.(string)
 
 			if !ok {
-				return nil, fmt.Errorf("midi.input port must be a string")
+				return nil, errors.New("midi.input port must be a string")
 			}
 
-			return &MIDIInput{config: config, Port: portString, ctx: ctx, router: router}, nil
+			return &MIDIInput{config: config, Port: portString, logger: CreateLogger(config)}, nil
 		},
 	})
 }
 
-func (mc *MIDIInput) Id() string {
+func (mi *MIDIInput) Id() string {
-	return mc.config.Id
+	return mi.config.Id
 }
 
-func (mc *MIDIInput) Type() string {
+func (mi *MIDIInput) Type() string {
-	return mc.config.Type
+	return mi.config.Type
 }
 
-func (mc *MIDIInput) Run() error {
+func (mi *MIDIInput) Run(ctx context.Context) error {
 	defer midi.CloseDriver()
+	router, ok := ctx.Value(route.RouterContextKey).(route.RouteIO)
 
-	in, err := midi.FindInPort(mc.Port)
+	if !ok {
+		return errors.New("midi.input unable to get router from context")
+	}
+	mi.router = router
+	mi.ctx = ctx
+
+	in, err := midi.FindInPort(mi.Port)
 	if err != nil {
-		return fmt.Errorf("midi.input can't find input port: %s", mc.Port)
+		return fmt.Errorf("midi.input can't find input port: %s", mi.Port)
 	}
 
 	stop, err := midi.ListenTo(in, func(msg midi.Message, timestampms int32) {
-		if mc.router != nil {
+		if mi.router != nil {
-			mc.router.HandleInput(mc.Id(), msg)
+			mi.router.HandleInput(mi.ctx, mi.Id(), msg)
 		}
 	}, midi.UseSysEx())
 
@@ -71,11 +80,11 @@ func (mc *MIDIInput) Run() error {
 
 	defer stop()
 
-	<-mc.ctx.Done()
+	<-mi.ctx.Done()
-	slog.Debug("router context done in module", "id", mc.Id())
+	mi.logger.Debug("done")
 	return nil
 }
 
-func (mc *MIDIInput) Output(payload any) error {
+func (mi *MIDIInput) Output(ctx context.Context, payload any) error {
-	return fmt.Errorf("midi.input output is not implemented")
+	return errors.New("midi.input output is not implemented")
 }

internal/module/midi-ouptut.go

@@ -1,89 +0,0 @@
-//go:build cgo
-
-package module
-
-import (
-	"context"
-	"fmt"
-	"log/slog"
-
-	"github.com/jwetzell/showbridge-go/internal/config"
-	"github.com/jwetzell/showbridge-go/internal/route"
-	"gitlab.com/gomidi/midi/v2"
-	_ "gitlab.com/gomidi/midi/v2/drivers/rtmididrv"
-)
-
-type MIDIOutput struct {
-	config   config.ModuleConfig
-	ctx      context.Context
-	router   route.RouteIO
-	Port     string
-	SendFunc func(midi.Message) error
-}
-
-func init() {
-	RegisterModule(ModuleRegistration{
-		//TODO(jwetzell): find a better namespace than "misc"
-		Type: "midi.output",
-		New: func(ctx context.Context, config config.ModuleConfig, router route.RouteIO) (Module, error) {
-			params := config.Params
-
-			port, ok := params["port"]
-
-			if !ok {
-				return nil, fmt.Errorf("midi.output requires a port parameter")
-			}
-
-			portString, ok := port.(string)
-
-			if !ok {
-				return nil, fmt.Errorf("midi.output port must be a string")
-			}
-
-			return &MIDIOutput{config: config, Port: portString, ctx: ctx, router: router}, nil
-		},
-	})
-}
-
-func (mc *MIDIOutput) Id() string {
-	return mc.config.Id
-}
-
-func (mc *MIDIOutput) Type() string {
-	return mc.config.Type
-}
-
-func (mc *MIDIOutput) Run() error {
-	defer midi.CloseDriver()
-
-	out, err := midi.FindOutPort(mc.Port)
-
-	if err != nil {
-		return fmt.Errorf("midi.output can't find output port: %s", mc.Port)
-	}
-
-	send, err := midi.SendTo(out)
-	if err != nil {
-		return err
-	}
-
-	mc.SendFunc = send
-
-	<-mc.ctx.Done()
-	slog.Debug("router context done in module", "id", mc.Id())
-	return nil
-}
-
-func (mc *MIDIOutput) Output(payload any) error {
-	if mc.SendFunc == nil {
-		return fmt.Errorf("midi.output output is not setup")
-	}
-
-	payloadMessage, ok := payload.(midi.Message)
-
-	if !ok {
-		return fmt.Errorf("midi.output can only ouptut midi.Message")
-	}
-
-	return mc.SendFunc(payloadMessage)
-}

internal/module/midi-output.go

@@ -0,0 +1,97 @@
+//go:build cgo
+
+package module
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"log/slog"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/route"
+	"gitlab.com/gomidi/midi/v2"
+	_ "gitlab.com/gomidi/midi/v2/drivers/rtmididrv"
+)
+
+type MIDIOutput struct {
+	config   config.ModuleConfig
+	ctx      context.Context
+	router   route.RouteIO
+	Port     string
+	SendFunc func(midi.Message) error
+	logger   *slog.Logger
+}
+
+func init() {
+	RegisterModule(ModuleRegistration{
+		Type: "midi.output",
+		New: func(config config.ModuleConfig) (Module, error) {
+			params := config.Params
+
+			port, ok := params["port"]
+
+			if !ok {
+				return nil, errors.New("midi.output requires a port parameter")
+			}
+
+			portString, ok := port.(string)
+
+			if !ok {
+				return nil, errors.New("midi.output port must be a string")
+			}
+
+			return &MIDIOutput{config: config, Port: portString, logger: CreateLogger(config)}, nil
+		},
+	})
+}
+
+func (mo *MIDIOutput) Id() string {
+	return mo.config.Id
+}
+
+func (mo *MIDIOutput) Type() string {
+	return mo.config.Type
+}
+
+func (mo *MIDIOutput) Run(ctx context.Context) error {
+	defer midi.CloseDriver()
+	router, ok := ctx.Value(route.RouterContextKey).(route.RouteIO)
+
+	if !ok {
+		return errors.New("midi.output unable to get router from context")
+	}
+	mo.router = router
+	mo.ctx = ctx
+
+	out, err := midi.FindOutPort(mo.Port)
+
+	if err != nil {
+		return fmt.Errorf("midi.output can't find output port: %s", mo.Port)
+	}
+
+	send, err := midi.SendTo(out)
+	if err != nil {
+		return err
+	}
+
+	mo.SendFunc = send
+
+	<-mo.ctx.Done()
+	mo.logger.Debug("done")
+	return nil
+}
+
+func (mo *MIDIOutput) Output(ctx context.Context, payload any) error {
+	if mo.SendFunc == nil {
+		return errors.New("midi.output output is not setup")
+	}
+
+	payloadMessage, ok := payload.(midi.Message)
+
+	if !ok {
+		return errors.New("midi.output can only ouptut midi.Message")
+	}
+
+	return mo.SendFunc(payloadMessage)
+}

internal/module/module.go

@@ -3,10 +3,10 @@ package module
 import (
 	"context"
 	"fmt"
+	"log/slog"
 	"sync"
 
 	"github.com/jwetzell/showbridge-go/internal/config"
-	"github.com/jwetzell/showbridge-go/internal/route"
 )
 
 type ModuleError struct {
@@ -18,13 +18,13 @@ type ModuleError struct {
 type Module interface {
 	Id() string
 	Type() string
-	Run() error
+	Run(context.Context) error
-	Output(any) error
+	Output(context.Context, any) error
 }
 
 type ModuleRegistration struct {
 	Type string `json:"type"`
-	New  func(context.Context, config.ModuleConfig, route.RouteIO) (Module, error)
+	New  func(config.ModuleConfig) (Module, error)
 }
 
 func RegisterModule(mod ModuleRegistration) {
@@ -49,3 +49,7 @@ var (
 	moduleRegistryMu sync.RWMutex
 	ModuleRegistry   = make(map[string]ModuleRegistration)
 )
+
+func CreateLogger(config config.ModuleConfig) *slog.Logger {
+	return slog.Default().With("component", "module", "id", config.Id, "type", config.Type)
+}

internal/module/mqtt-client.go

@@ -2,7 +2,7 @@ package module
 
 import (
 	"context"
-	"fmt"
+	"errors"
 	"log/slog"
 
 	mqtt "github.com/eclipse/paho.mqtt.golang"
@@ -18,50 +18,51 @@ type MQTTClient struct {
 	ClientID string
 	Topic    string
 	client   mqtt.Client
+	logger   *slog.Logger
 }
 
 func init() {
 	RegisterModule(ModuleRegistration{
 		Type: "mqtt.client",
-		New: func(ctx context.Context, config config.ModuleConfig, router route.RouteIO) (Module, error) {
+		New: func(config config.ModuleConfig) (Module, error) {
 			params := config.Params
 			broker, ok := params["broker"]
 
 			if !ok {
-				return nil, fmt.Errorf("mqtt.client requires a broker parameter")
+				return nil, errors.New("mqtt.client requires a broker parameter")
 			}
 
 			brokerString, ok := broker.(string)
 
 			if !ok {
-				return nil, fmt.Errorf("mqtt.client broker must be string")
+				return nil, errors.New("mqtt.client broker must be string")
 			}
 
 			topic, ok := params["topic"]
 
 			if !ok {
-				return nil, fmt.Errorf("mqtt.client requires a topic parameter")
+				return nil, errors.New("mqtt.client requires a topic parameter")
 			}
 
 			topicString, ok := topic.(string)
 
 			if !ok {
-				return nil, fmt.Errorf("mqtt.client topic must be string")
+				return nil, errors.New("mqtt.client topic must be string")
 			}
 
 			clientId, ok := params["clientId"]
 
 			if !ok {
-				return nil, fmt.Errorf("mqtt.client requires a clientId parameter")
+				return nil, errors.New("mqtt.client requires a clientId parameter")
 			}
 
 			clientIdString, ok := clientId.(string)
 
 			if !ok {
-				return nil, fmt.Errorf("mqtt.client clientId must be string")
+				return nil, errors.New("mqtt.client clientId must be string")
 			}
 
-			return &MQTTClient{config: config, Broker: brokerString, Topic: topicString, ClientID: clientIdString, ctx: ctx, router: router}, nil
+			return &MQTTClient{config: config, Broker: brokerString, Topic: topicString, ClientID: clientIdString, logger: CreateLogger(config)}, nil
 		},
 	})
 }
@@ -74,7 +75,15 @@ func (mc *MQTTClient) Type() string {
 	return mc.config.Type
 }
 
-func (mc *MQTTClient) Run() error {
+func (mc *MQTTClient) Run(ctx context.Context) error {
+	router, ok := ctx.Value(route.RouterContextKey).(route.RouteIO)
+
+	if !ok {
+		return errors.New("mqtt.client unable to get router from context")
+	}
+	mc.router = router
+	mc.ctx = ctx
+
 	opts := mqtt.NewClientOptions()
 	opts.AddBroker(mc.Broker)
 	opts.SetClientID(mc.ClientID)
@@ -83,7 +92,7 @@ func (mc *MQTTClient) Run() error {
 
 	opts.OnConnect = func(c mqtt.Client) {
 		token := mc.client.Subscribe(mc.Topic, 1, func(c mqtt.Client, m mqtt.Message) {
-			mc.router.HandleInput(mc.Id(), m)
+			mc.router.HandleInput(mc.ctx, mc.Id(), m)
 		})
 		token.Wait()
 	}
@@ -99,25 +108,23 @@ func (mc *MQTTClient) Run() error {
 	}
 
 	<-mc.ctx.Done()
-	slog.Debug("router context done in module", "id", mc.Id())
+	mc.logger.Debug("done")
 	return nil
 }
 
-func (mc *MQTTClient) Output(payload any) error {
+func (mc *MQTTClient) Output(ctx context.Context, payload any) error {
 	payloadMessage, ok := payload.(mqtt.Message)
 
-	fmt.Printf("payload type: %T\n", payload)
-
 	if !ok {
-		return fmt.Errorf("mqtt.client is only able to output a MQTTMessage")
+		return errors.New("mqtt.client is only able to output a MQTTMessage")
 	}
 
 	if mc.client == nil {
-		return fmt.Errorf("mqtt.client client is not setup")
+		return errors.New("mqtt.client client is not setup")
 	}
 
 	if !mc.client.IsConnected() {
-		return fmt.Errorf("mqtt.client is not connected")
+		return errors.New("mqtt.client is not connected")
 	}
 
 	token := mc.client.Publish(payloadMessage.Topic(), payloadMessage.Qos(), payloadMessage.Retained(), payloadMessage.Payload())

internal/module/nats-client.go

@@ -2,7 +2,7 @@ package module
 
 import (
 	"context"
-	"fmt"
+	"errors"
 	"log/slog"
 
 	"github.com/jwetzell/showbridge-go/internal/config"
@@ -18,38 +18,39 @@ type NATSClient struct {
 	URL     string
 	Subject string
 	client  *nats.Conn
+	logger  *slog.Logger
 }
 
 func init() {
 	RegisterModule(ModuleRegistration{
 		Type: "nats.client",
-		New: func(ctx context.Context, config config.ModuleConfig, router route.RouteIO) (Module, error) {
+		New: func(config config.ModuleConfig) (Module, error) {
 			params := config.Params
 			url, ok := params["url"]
 
 			if !ok {
-				return nil, fmt.Errorf("nats.client requires a url parameter")
+				return nil, errors.New("nats.client requires a url parameter")
 			}
 
 			urlString, ok := url.(string)
 
 			if !ok {
-				return nil, fmt.Errorf("nats.client url must be string")
+				return nil, errors.New("nats.client url must be string")
 			}
 
 			subject, ok := params["subject"]
 
 			if !ok {
-				return nil, fmt.Errorf("nats.client requires a subject parameter")
+				return nil, errors.New("nats.client requires a subject parameter")
 			}
 
 			subjectString, ok := subject.(string)
 
 			if !ok {
-				return nil, fmt.Errorf("nats.client subject must be string")
+				return nil, errors.New("nats.client subject must be string")
 			}
 
-			return &NATSClient{config: config, URL: urlString, Subject: subjectString, ctx: ctx, router: router}, nil
+			return &NATSClient{config: config, URL: urlString, Subject: subjectString, logger: CreateLogger(config)}, nil
 		},
 	})
 }
@@ -62,7 +63,16 @@ func (nc *NATSClient) Type() string {
 	return nc.config.Type
 }
 
-func (nc *NATSClient) Run() error {
+func (nc *NATSClient) Run(ctx context.Context) error {
+	router, ok := ctx.Value(route.RouterContextKey).(route.RouteIO)
+
+	if !ok {
+		return errors.New("nats.client unable to get router from context")
+	}
+
+	nc.router = router
+	nc.ctx = ctx
+
 	client, err := nats.Connect(nc.URL, nats.RetryOnFailedConnect(true))
 
 	if err != nil {
@@ -76,7 +86,7 @@ func (nc *NATSClient) Run() error {
 
 	sub, err := nc.client.Subscribe(nc.Subject, func(msg *nats.Msg) {
 		if nc.router != nil {
-			nc.router.HandleInput(nc.Id(), msg)
+			nc.router.HandleInput(nc.ctx, nc.Id(), msg)
 		}
 	})
 
@@ -87,24 +97,24 @@ func (nc *NATSClient) Run() error {
 	defer sub.Unsubscribe()
 
 	<-nc.ctx.Done()
-	slog.Debug("router context done in module", "id", nc.Id())
+	nc.logger.Debug("done")
 	return nil
 }
 
-func (nc *NATSClient) Output(payload any) error {
+func (nc *NATSClient) Output(ctx context.Context, payload any) error {
 
 	payloadMessage, ok := payload.(processor.NATSMessage)
 
 	if !ok {
-		return fmt.Errorf("nats.client is only able to output NATSMessage")
+		return errors.New("nats.client is only able to output NATSMessage")
 	}
 
 	if nc.client == nil {
-		return fmt.Errorf("nats.client client is not setup")
+		return errors.New("nats.client client is not setup")
 	}
 
 	if !nc.client.IsConnected() {
-		return fmt.Errorf("nats.client is not connected")
+		return errors.New("nats.client is not connected")
 	}
 
 	err := nc.client.Publish(payloadMessage.Subject, payloadMessage.Payload)

internal/module/psn-client.go

@@ -2,6 +2,7 @@ package module
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"log/slog"
 	"net"
@@ -18,14 +19,15 @@ type PSNClient struct {
 	ctx     context.Context
 	router  route.RouteIO
 	decoder *psn.Decoder
+	logger  *slog.Logger
 }
 
 func init() {
 	RegisterModule(ModuleRegistration{
 		Type: "psn.client",
-		New: func(ctx context.Context, config config.ModuleConfig, router route.RouteIO) (Module, error) {
+		New: func(config config.ModuleConfig) (Module, error) {
 
-			return &PSNClient{config: config, decoder: psn.NewDecoder(), ctx: ctx, router: router}, nil
+			return &PSNClient{config: config, decoder: psn.NewDecoder(), logger: CreateLogger(config)}, nil
 		},
 	})
 }
@@ -38,7 +40,14 @@ func (pc *PSNClient) Type() string {
 	return pc.config.Type
 }
 
-func (pc *PSNClient) Run() error {
+func (pc *PSNClient) Run(ctx context.Context) error {
+	router, ok := ctx.Value(route.RouterContextKey).(route.RouteIO)
+
+	if !ok {
+		return errors.New("psn.client unable to get router from context")
+	}
+	pc.router = router
+	pc.ctx = ctx
 
 	addr, err := net.ResolveUDPAddr("udp", "236.10.10.10:56565")
 	if err != nil {
@@ -58,7 +67,7 @@ func (pc *PSNClient) Run() error {
 		select {
 		case <-pc.ctx.Done():
 			// TODO(jwetzell): cleanup?
-			slog.Debug("router context done in module", "id", pc.Id())
+			pc.logger.Debug("done")
 			return nil
 		default:
 			pc.conn.SetDeadline(time.Now().Add(time.Millisecond * 200))
@@ -76,21 +85,21 @@ func (pc *PSNClient) Run() error {
 				message := buffer[:numBytes]
 				err := pc.decoder.Decode(message)
 				if err != nil {
-					slog.Error("psn.client problem decoding psn traffic", "id", pc.Id(), "error", err)
+					pc.logger.Error("problem decoding psn traffic", "error", err)
 				}
 
 				if pc.router != nil {
 					for _, tracker := range pc.decoder.Trackers {
-						pc.router.HandleInput(pc.Id(), tracker)
+						pc.router.HandleInput(pc.ctx, pc.Id(), tracker)
 					}
 				} else {
-					slog.Error("psn.client has no router", "id", pc.Id())
+					pc.logger.Error("has no router")
 				}
 			}
 		}
 	}
 }
 
-func (pc *PSNClient) Output(payload any) error {
+func (pc *PSNClient) Output(ctx context.Context, payload any) error {
 	return fmt.Errorf("psn.client output is not implemented")
 }

internal/module/serial-client.go

@@ -4,6 +4,7 @@ package module
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"log/slog"
 	"time"
@@ -22,24 +23,24 @@ type SerialClient struct {
 	Framer framer.Framer
 	Mode   *serial.Mode
 	port   serial.Port
+	logger *slog.Logger
 }
 
 func init() {
 	RegisterModule(ModuleRegistration{
-		//TODO(jwetzell): find a better namespace than "misc"
 		Type: "serial.client",
-		New: func(ctx context.Context, config config.ModuleConfig, router route.RouteIO) (Module, error) {
+		New: func(config config.ModuleConfig) (Module, error) {
 			params := config.Params
 			port, ok := params["port"]
 
 			if !ok {
-				return nil, fmt.Errorf("serial.client requires a port parameter")
+				return nil, errors.New("serial.client requires a port parameter")
 			}
 
 			portString, ok := port.(string)
 
 			if !ok {
-				return nil, fmt.Errorf("serial.client port must be a string")
+				return nil, errors.New("serial.client port must be a string")
 			}
 
 			framingMethod := "RAW"
@@ -50,107 +51,115 @@ func init() {
 				framingMethodString, ok := framingMethodRaw.(string)
 
 				if !ok {
-					return nil, fmt.Errorf("serial.client framing method must be a string")
+					return nil, errors.New("serial.client framing method must be a string")
 				}
 				framingMethod = framingMethodString
 			}
 
-			framer, err := framer.GetFramer(framingMethod)
+			framer := framer.GetFramer(framingMethod)
 
-			if err != nil {
+			if framer == nil {
-				return nil, err
+				return nil, fmt.Errorf("serial.client unknown framing method: %s", framingMethod)
 			}
 
 			buadRate, ok := params["baudRate"]
 			if !ok {
-				return nil, fmt.Errorf("serial.client requires a baudRate parameter")
+				return nil, errors.New("serial.client requires a baudRate parameter")
 			}
 
 			baudRateNum, ok := buadRate.(float64)
 			if !ok {
-				return nil, fmt.Errorf("serial.client baudRate must be a number")
+				return nil, errors.New("serial.client baudRate must be a number")
 			}
 
 			mode := serial.Mode{
 				BaudRate: int(baudRateNum),
 			}
 
-			return &SerialClient{config: config, Port: portString, Framer: framer, Mode: &mode, ctx: ctx, router: router}, nil
+			return &SerialClient{config: config, Port: portString, Framer: framer, Mode: &mode, logger: CreateLogger(config)}, nil
 		},
 	})
 }
 
-func (mc *SerialClient) Id() string {
+func (sc *SerialClient) Id() string {
-	return mc.config.Id
+	return sc.config.Id
 }
 
-func (mc *SerialClient) Type() string {
+func (sc *SerialClient) Type() string {
-	return mc.config.Type
+	return sc.config.Type
 }
 
-func (mc *SerialClient) SetupPort() error {
+func (sc *SerialClient) SetupPort() error {
 
-	port, err := serial.Open(mc.Port, mc.Mode)
+	port, err := serial.Open(sc.Port, sc.Mode)
 	if err != nil {
-		return fmt.Errorf("serial.client can't open input port: %s", mc.Port)
+		return fmt.Errorf("serial.client can't open input port: %s", sc.Port)
 	}
 
-	mc.port = port
+	sc.port = port
 
 	return nil
 }
 
-func (mc *SerialClient) Run() error {
+func (sc *SerialClient) Run(ctx context.Context) error {
+	router, ok := ctx.Value(route.RouterContextKey).(route.RouteIO)
+
+	if !ok {
+		return errors.New("serial.client unable to get router from context")
+	}
+
+	sc.router = router
+	sc.ctx = ctx
 
 	// TODO(jwetzell): shutdown with router.Context properly
 	go func() {
-		<-mc.ctx.Done()
+		<-sc.ctx.Done()
-		slog.Debug("router context done in module", "id", mc.Id())
+		sc.logger.Debug("done")
-		if mc.port != nil {
+		if sc.port != nil {
-			mc.port.Close()
+			sc.port.Close()
 		}
 	}()
 
 	for {
-		err := mc.SetupPort()
+		err := sc.SetupPort()
 		if err != nil {
-			if mc.ctx.Err() != nil {
+			if sc.ctx.Err() != nil {
-				slog.Debug("router context done in module", "id", mc.Id())
+				sc.logger.Debug("done")
 				return nil
 			}
-			slog.Error("serial.client", "id", mc.Id(), "error", err.Error())
+			sc.logger.Error("port setup error", "error", err.Error())
 			time.Sleep(time.Second * 2)
 			continue
 		}
 
 		buffer := make([]byte, 1024)
 		select {
-		case <-mc.ctx.Done():
+		case <-sc.ctx.Done():
-			slog.Debug("router context done in module", "id", mc.Id())
+			sc.logger.Debug("done")
 			return nil
 		default:
 		READ:
 			for {
 				select {
-				case <-mc.ctx.Done():
+				case <-sc.ctx.Done():
-					slog.Debug("router context done in module", "id", mc.Id())
+					sc.logger.Debug("done")
 					return nil
 				default:
-					byteCount, err := mc.port.Read(buffer)
+					byteCount, err := sc.port.Read(buffer)
 
 					if err != nil {
-						mc.Framer.Clear()
+						sc.Framer.Clear()
 						break READ
 					}
 
-					if mc.Framer != nil {
+					if sc.Framer != nil {
 						if byteCount > 0 {
-							messages := mc.Framer.Decode(buffer[0:byteCount])
+							messages := sc.Framer.Decode(buffer[0:byteCount])
 							for _, message := range messages {
-								if mc.router != nil {
+								if sc.router != nil {
-									mc.router.HandleInput(mc.Id(), message)
+									sc.router.HandleInput(sc.ctx, sc.Id(), message)
 								} else {
-									slog.Error("serial.client has no router", "id", mc.Id())
+									sc.logger.Error("input received but no router is configured")
 								}
 							}
 						}
@@ -161,14 +170,14 @@ func (mc *SerialClient) Run() error {
 	}
 }
 
-func (mc *SerialClient) Output(payload any) error {
+func (sc *SerialClient) Output(ctx context.Context, payload any) error {
 
 	payloadBytes, ok := payload.([]byte)
 
 	if !ok {
-		return fmt.Errorf("serial.client can only ouptut bytes")
+		return errors.New("serial.client can only ouptut bytes")
 	}
 
-	_, err := mc.port.Write(mc.Framer.Encode(payloadBytes))
+	_, err := sc.port.Write(sc.Framer.Encode(payloadBytes))
 	return err
 }

internal/module/sip-call-server.go

@@ -2,9 +2,12 @@ package module
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"io"
 	"log/slog"
+	"os"
+	"sync"
 	"time"
 
 	"github.com/emiago/diago"
@@ -12,6 +15,7 @@ import (
 	"github.com/emiago/sipgo"
 	"github.com/emiago/sipgo/sip"
 	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/processor"
 	"github.com/jwetzell/showbridge-go/internal/route"
 )
 
@@ -24,16 +28,24 @@ type SIPCallServer struct {
 	Transport string
 	UserAgent string
 	dg        *diago.Diago
+	logger    *slog.Logger
 }
 
 type SIPCallMessage struct {
 	To string
 }
 
+type SIPCall struct {
+	inDialog *diago.DialogServerSession
+	lock     sync.Mutex
+}
+
+type sipCallContextKey string
+
 func init() {
 	RegisterModule(ModuleRegistration{
 		Type: "sip.call.server",
-		New: func(ctx context.Context, config config.ModuleConfig, router route.RouteIO) (Module, error) {
+		New: func(config config.ModuleConfig) (Module, error) {
 			params := config.Params
 			portNum := 5060
 
@@ -42,7 +54,7 @@ func init() {
 				specificPortNum, ok := port.(float64)
 
 				if !ok {
-					return nil, fmt.Errorf("sip.call.server port must be a number")
+					return nil, errors.New("sip.call.server port must be a number")
 				}
 				portNum = int(specificPortNum)
 			}
@@ -55,7 +67,7 @@ func init() {
 				specificIpString, ok := ip.(string)
 
 				if !ok {
-					return nil, fmt.Errorf("sip.call.server ip must be a string")
+					return nil, errors.New("sip.call.server ip must be a string")
 				}
 				ipString = specificIpString
 			}
@@ -68,7 +80,7 @@ func init() {
 				specificTransportString, ok := transport.(string)
 
 				if !ok {
-					return nil, fmt.Errorf("sip.call.server transport must be a string")
+					return nil, errors.New("sip.call.server transport must be a string")
 				}
 				transportString = specificTransportString
 			}
@@ -81,28 +93,37 @@ func init() {
 				specificTransportString, ok := userAgent.(string)
 
 				if !ok {
-					return nil, fmt.Errorf("sip.call.server userAgent must be a string")
+					return nil, errors.New("sip.call.server userAgent must be a string")
 				}
 				userAgentString = specificTransportString
 			}
-			return &SIPCallServer{config: config, ctx: ctx, router: router, IP: ipString, Port: int(portNum), Transport: transportString, UserAgent: userAgentString}, nil
+
+			return &SIPCallServer{config: config, IP: ipString, Port: int(portNum), Transport: transportString, UserAgent: userAgentString, logger: CreateLogger(config)}, nil
 		},
 	})
 }
 
-func (sds *SIPCallServer) Id() string {
+func (scs *SIPCallServer) Id() string {
-	return sds.config.Id
+	return scs.config.Id
 }
 
-func (sds *SIPCallServer) Type() string {
+func (scs *SIPCallServer) Type() string {
-	return sds.config.Type
+	return scs.config.Type
 }
 
-func (sds *SIPCallServer) Run() error {
+func (scs *SIPCallServer) Run(ctx context.Context) error {
+	router, ok := ctx.Value(route.RouterContextKey).(route.RouteIO)
+
+	if !ok {
+		return errors.New("sip.call.server unable to get router from context")
+	}
+	scs.router = router
+	scs.ctx = ctx
+
 	diagoLogger := slog.New(slog.NewJSONHandler(io.Discard, nil))
 
 	ua, _ := sipgo.NewUA(
-		sipgo.WithUserAgent(sds.UserAgent),
+		sipgo.WithUserAgent(scs.UserAgent),
 		sipgo.WithUserAgentTransportLayerOptions(sip.WithTransportLayerLogger(diagoLogger)),
 		sipgo.WithUserAgentTransactionLayerOptions(sip.WithTransactionLayerLogger(diagoLogger)),
 	)
@@ -112,74 +133,98 @@ func (sds *SIPCallServer) Run() error {
 	media.SetDefaultLogger(diagoLogger)
 	dg := diago.NewDiago(ua, diago.WithLogger(diagoLogger), diago.WithTransport(
 		diago.Transport{
-			Transport: sds.Transport,
+			Transport: scs.Transport,
-			BindHost:  sds.IP,
+			BindHost:  scs.IP,
-			BindPort:  sds.Port,
+			BindPort:  scs.Port,
 		},
 	))
 
 	go func() {
-		dg.Serve(sds.ctx, func(inDialog *diago.DialogServerSession) {
+		dg.Serve(scs.ctx, func(inDialog *diago.DialogServerSession) {
-			sds.HandleCall(inDialog)
+			scs.HandleCall(inDialog)
 		})
 	}()
 
-	sds.dg = dg
+	scs.dg = dg
 
-	<-sds.ctx.Done()
+	<-scs.ctx.Done()
-	slog.Debug("router context done in module", "id", sds.Id())
+	scs.logger.Debug("done")
 	return nil
 }
 
-func (sds *SIPCallServer) HandleCall(inDialog *diago.DialogServerSession) {
+func (scs *SIPCallServer) HandleCall(inDialog *diago.DialogServerSession) {
 	inDialog.Trying()
 	inDialog.Ringing()
 	inDialog.Answer()
-	sds.router.HandleInput(sds.Id(), SIPCallMessage{
+
+	dialogContext := context.WithValue(scs.ctx, sipCallContextKey("call"), &SIPCall{
+		inDialog: inDialog,
+	})
+	scs.router.HandleInput(dialogContext, scs.Id(), SIPCallMessage{
 		To: inDialog.ToUser(),
 	})
-	<-inDialog.Context().Done()
 }
 
-func (sds *SIPCallServer) Output(payload any) error {
+func (scs *SIPCallServer) Output(ctx context.Context, payload any) error {
+
+	call, ok := ctx.Value(sipCallContextKey("call")).(*SIPCall)
 
-	payloadMsg, ok := payload.(string)
 	if !ok {
-		return fmt.Errorf("sip.call.server output payload must be of type string")
+		return errors.New("sip.call.server output must originate from sip.call.server input")
 	}
 
-	if sds.dg == nil {
+	gotLock := call.lock.TryLock()
-		return fmt.Errorf("sip.call.server diago is not initialized")
+
+	if !gotLock {
+		return errors.New("sip.call.server call is already locked")
 	}
 
-	var uri sip.Uri
+	if call.inDialog.LoadState() == sip.DialogStateEnded {
-	err := sip.ParseUri(payloadMsg, &uri)
+		return errors.New("sip.call.server inDialog already ended")
-	if err != nil {
-		return fmt.Errorf("sip.call.server output payload is not a valid SIP URI: %v", err)
-	}
-	outDialog, err := sds.dg.NewDialog(uri, diago.NewDialogOptions{
-		Transport: sds.Transport,
-	})
-
-	if err != nil {
-		return fmt.Errorf("sip.call.server failed to create new dialog: %v", err)
 	}
 
-	err = outDialog.Invite(sds.ctx, diago.InviteClientOptions{})
+	payloadDTMFResponse, ok := payload.(processor.SipDTMFResponse)
-	if err != nil {
+
-		return fmt.Errorf("sip.call.server failed to send invite: %v", err)
+	if ok {
+		dtmfWriter := call.inDialog.AudioWriterDTMF()
+
+		time.Sleep(time.Millisecond * time.Duration(payloadDTMFResponse.PreWait))
+		for i, dtmfRune := range payloadDTMFResponse.Digits {
+			err := dtmfWriter.WriteDTMF(dtmfRune)
+
+			if err != nil {
+				return fmt.Errorf("sip.dtmf.server error output dtmf digit at index %d", i)
+			}
+		}
+		time.Sleep(time.Millisecond * time.Duration(payloadDTMFResponse.PreWait))
+		return nil
 	}
 
-	err = outDialog.Ack(sds.ctx)
+	payloadAudioFileResponse, ok := payload.(processor.SipAudioFileResponse)
-	if err != nil {
+
-		return fmt.Errorf("sip.call.server failed to send ack: %v", err)
+	if ok {
+		audioFile, err := os.Open(payloadAudioFileResponse.AudioFile)
+		if err != nil {
+			return err
+		}
+		defer audioFile.Close()
+
+		playback, err := call.inDialog.PlaybackCreate()
+
+		if err != nil {
+			return err
+		}
+
+		time.Sleep(time.Millisecond * time.Duration(payloadAudioFileResponse.PreWait))
+
+		_, err = playback.Play(audioFile, "audio/wav")
+
+		time.Sleep(time.Millisecond * time.Duration(payloadAudioFileResponse.PostWait))
+
+		if err != nil {
+			return err
+		}
+		return nil
 	}
-	// TODO(jwetzell): make this configurable
+	return errors.New("sip.dtmf.server can only output SipDTMFResponse or SipAudioFileResponse")
-	// NOTE(jwetzell): wait 5 seconds before hanging up the call
-	time.Sleep(5 * time.Second)
-	err = outDialog.Hangup(sds.ctx)
-	if err != nil {
-		return fmt.Errorf("sip.call.server failed to hangup call: %v", err)
-	}
-	return nil
 }

internal/module/sip-dtmf-server.go

@@ -2,10 +2,13 @@ package module
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"io"
 	"log/slog"
+	"os"
 	"strings"
+	"sync"
 	"time"
 
 	"github.com/emiago/diago"
@@ -13,6 +16,7 @@ import (
 	"github.com/emiago/sipgo"
 	"github.com/emiago/sipgo/sip"
 	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/processor"
 	"github.com/jwetzell/showbridge-go/internal/route"
 )
 
@@ -24,6 +28,7 @@ type SIPDTMFServer struct {
 	Port      int
 	Transport string
 	Separator string
+	logger    *slog.Logger
 }
 
 type SIPDTMFMessage struct {
@@ -31,10 +36,15 @@ type SIPDTMFMessage struct {
 	Digits string
 }
 
+type SIPDTMFCall struct {
+	inDialog *diago.DialogServerSession
+	lock     sync.Mutex
+}
+
 func init() {
 	RegisterModule(ModuleRegistration{
 		Type: "sip.dtmf.server",
-		New: func(ctx context.Context, config config.ModuleConfig, router route.RouteIO) (Module, error) {
+		New: func(config config.ModuleConfig) (Module, error) {
 			params := config.Params
 			portNum := 5060
 
@@ -43,7 +53,7 @@ func init() {
 				specificPortNum, ok := port.(float64)
 
 				if !ok {
-					return nil, fmt.Errorf("sip.dtmf.server port must be a number")
+					return nil, errors.New("sip.dtmf.server port must be a number")
 				}
 				portNum = int(specificPortNum)
 			}
@@ -56,7 +66,7 @@ func init() {
 				specificIpString, ok := ip.(string)
 
 				if !ok {
-					return nil, fmt.Errorf("sip.dtmf.server ip must be a string")
+					return nil, errors.New("sip.dtmf.server ip must be a string")
 				}
 				ipString = specificIpString
 			}
@@ -69,28 +79,28 @@ func init() {
 				specificTransportString, ok := transport.(string)
 
 				if !ok {
-					return nil, fmt.Errorf("sip.dtmf.server transport must be a string")
+					return nil, errors.New("sip.dtmf.server transport must be a string")
 				}
 				transportString = specificTransportString
 			}
 
 			separator, ok := params["separator"]
 			if !ok {
-				return nil, fmt.Errorf("sip.dtmf.server requires a separator parameter")
+				return nil, errors.New("sip.dtmf.server requires a separator parameter")
 			}
 			separatorString, ok := separator.(string)
 			if !ok {
-				return nil, fmt.Errorf("sip.dtmf.server separator must be a string")
+				return nil, errors.New("sip.dtmf.server separator must be a string")
 			}
 
 			if len(separatorString) != 1 {
-				return nil, fmt.Errorf("sip.dtmf.server separator must be a single character")
+				return nil, errors.New("sip.dtmf.server separator must be a single character")
 			}
 
 			if !strings.ContainsRune("0123456789*#ABCD", rune(separatorString[0])) {
-				return nil, fmt.Errorf("sip.dtmf.server separator must be a valid DTMF character")
+				return nil, errors.New("sip.dtmf.server separator must be a valid DTMF character")
 			}
-			return &SIPDTMFServer{config: config, ctx: ctx, router: router, IP: ipString, Port: int(portNum), Transport: transportString, Separator: separatorString}, nil
+			return &SIPDTMFServer{config: config, IP: ipString, Port: int(portNum), Transport: transportString, Separator: separatorString, logger: CreateLogger(config)}, nil
 		},
 	})
 }
@@ -103,7 +113,15 @@ func (sds *SIPDTMFServer) Type() string {
 	return sds.config.Type
 }
 
-func (sds *SIPDTMFServer) Run() error {
+func (sds *SIPDTMFServer) Run(ctx context.Context) error {
+	router, ok := ctx.Value(route.RouterContextKey).(route.RouteIO)
+
+	if !ok {
+		return errors.New("sip.dtmf.server unable to get router from context")
+	}
+	sds.router = router
+	sds.ctx = ctx
+
 	diagoLogger := slog.New(slog.NewJSONHandler(io.Discard, nil))
 
 	ua, _ := sipgo.NewUA(
@@ -131,7 +149,7 @@ func (sds *SIPDTMFServer) Run() error {
 	}
 
 	<-sds.ctx.Done()
-	slog.Debug("router context done in module", "id", sds.Id())
+	sds.logger.Debug("done")
 	return nil
 }
 
@@ -142,10 +160,14 @@ func (sds *SIPDTMFServer) HandleCall(inDialog *diago.DialogServerSession) error
 
 	reader := inDialog.AudioReaderDTMF()
 	userString := ""
+
 	return reader.Listen(func(dtmf rune) error {
 		if dtmf == rune(sds.Separator[0]) {
 			if sds.router != nil {
-				sds.router.HandleInput(sds.Id(), SIPDTMFMessage{
+				dialogContext := context.WithValue(sds.ctx, sipCallContextKey("call"), &SIPDTMFCall{
+					inDialog: inDialog,
+				})
+				sds.router.HandleInput(dialogContext, sds.Id(), SIPDTMFMessage{
 					To:     inDialog.ToUser(),
 					Digits: userString,
 				})
@@ -158,6 +180,66 @@ func (sds *SIPDTMFServer) HandleCall(inDialog *diago.DialogServerSession) error
 	}, 5*time.Second)
 }
 
-func (sds *SIPDTMFServer) Output(payload any) error {
+func (sds *SIPDTMFServer) Output(ctx context.Context, payload any) error {
-	return fmt.Errorf("sip.dtmf.server output is not implemented")
+	call, ok := ctx.Value(sipCallContextKey("call")).(*SIPDTMFCall)
+
+	if !ok {
+		return errors.New("sip.dtmf.server output must originate from sip.dtmf.server input")
+	}
+
+	gotLock := call.lock.TryLock()
+
+	if !gotLock {
+		return errors.New("sip.dtmf.server call is already locked")
+	}
+
+	if call.inDialog.LoadState() == sip.DialogStateEnded {
+		return errors.New("sip.dtmf.server inDialog already ended")
+	}
+
+	payloadDTMFResponse, ok := payload.(processor.SipDTMFResponse)
+
+	if ok {
+		dtmfWriter := call.inDialog.AudioWriterDTMF()
+
+		time.Sleep(time.Millisecond * time.Duration(payloadDTMFResponse.PreWait))
+		for i, dtmfRune := range payloadDTMFResponse.Digits {
+			err := dtmfWriter.WriteDTMF(dtmfRune)
+
+			if err != nil {
+				return fmt.Errorf("sip.dtmf.server error output dtmf digit at index %d", i)
+			}
+		}
+		time.Sleep(time.Millisecond * time.Duration(payloadDTMFResponse.PreWait))
+		return nil
+	}
+
+	payloadAudioFileResponse, ok := payload.(processor.SipAudioFileResponse)
+
+	if ok {
+		audioFile, err := os.Open(payloadAudioFileResponse.AudioFile)
+		if err != nil {
+			return err
+		}
+		defer audioFile.Close()
+
+		playback, err := call.inDialog.PlaybackCreate()
+
+		if err != nil {
+			return err
+		}
+
+		time.Sleep(time.Millisecond * time.Duration(payloadAudioFileResponse.PreWait))
+
+		_, err = playback.Play(audioFile, "audio/wav")
+
+		time.Sleep(time.Millisecond * time.Duration(payloadAudioFileResponse.PostWait))
+
+		if err != nil {
+			return err
+		}
+		return nil
+	}
+
+	return errors.New("sip.dtmf.server can only output SipDTMFResponse or SipAudioFileResponse")
 }

internal/module/tcp-client.go

@@ -2,6 +2,7 @@ package module
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"log/slog"
 	"net"
@@ -19,34 +20,35 @@ type TCPClient struct {
 	ctx    context.Context
 	router route.RouteIO
 	Addr   *net.TCPAddr
+	logger *slog.Logger
 }
 
 func init() {
 	RegisterModule(ModuleRegistration{
 		Type: "net.tcp.client",
-		New: func(ctx context.Context, config config.ModuleConfig, router route.RouteIO) (Module, error) {
+		New: func(config config.ModuleConfig) (Module, error) {
 			params := config.Params
 			host, ok := params["host"]
 
 			if !ok {
-				return nil, fmt.Errorf("net.tcp.client requires a host parameter")
+				return nil, errors.New("net.tcp.client requires a host parameter")
 			}
 
 			hostString, ok := host.(string)
 
 			if !ok {
-				return nil, fmt.Errorf("net.tcp.client host must be string")
+				return nil, errors.New("net.tcp.client host must be string")
 			}
 
 			port, ok := params["port"]
 			if !ok {
-				return nil, fmt.Errorf("net.tcp.client requires a port parameter")
+				return nil, errors.New("net.tcp.client requires a port parameter")
 			}
 
 			portNum, ok := port.(float64)
 
 			if !ok {
-				return nil, fmt.Errorf("net.tcp.client port must be a number")
+				return nil, errors.New("net.tcp.client port must be a number")
 			}
 
 			addr, err := net.ResolveTCPAddr("tcp", fmt.Sprintf("%s:%d", hostString, uint16(portNum)))
@@ -62,18 +64,17 @@ func init() {
 				framingMethodString, ok := framingMethodRaw.(string)
 
 				if !ok {
-					return nil, fmt.Errorf("misc.serial.client framing method must be a string")
+					return nil, errors.New("net.tcp.client framing method must be a string")
 				}
 				framingMethod = framingMethodString
 			}
 
-			framer, err := framer.GetFramer(framingMethod)
+			framer := framer.GetFramer(framingMethod)
 
-			if err != nil {
+			if framer == nil {
-				return nil, err
+				return nil, fmt.Errorf("net.tcp.client unknown framing method: %s", framingMethod)
 			}
-
+			return &TCPClient{framer: framer, Addr: addr, config: config, logger: CreateLogger(config)}, nil
-			return &TCPClient{framer: framer, Addr: addr, config: config, ctx: ctx, router: router}, nil
 		},
 	})
 }
@@ -86,12 +87,20 @@ func (tc *TCPClient) Type() string {
 	return tc.config.Type
 }
 
-func (tc *TCPClient) Run() error {
+func (tc *TCPClient) Run(ctx context.Context) error {
+
+	router, ok := ctx.Value(route.RouterContextKey).(route.RouteIO)
+
+	if !ok {
+		return errors.New("net.tcp.client unable to get router from context")
+	}
+	tc.router = router
+	tc.ctx = ctx
 
 	// TODO(jwetzell): shutdown with router.Context properly
 	go func() {
 		<-tc.ctx.Done()
-		slog.Debug("router context done in module", "id", tc.Id())
+		tc.logger.Debug("done")
 		if tc.conn != nil {
 			tc.conn.Close()
 		}
@@ -101,10 +110,10 @@ func (tc *TCPClient) Run() error {
 		err := tc.SetupConn()
 		if err != nil {
 			if tc.ctx.Err() != nil {
-				slog.Debug("router context done in module", "id", tc.Id())
+				tc.logger.Debug("done")
 				return nil
 			}
-			slog.Error("net.tcp.client", "id", tc.Id(), "error", err.Error())
+			tc.logger.Error("connection error", "error", err.Error())
 			time.Sleep(time.Second * 2)
 			continue
 		}
@@ -112,14 +121,14 @@ func (tc *TCPClient) Run() error {
 		buffer := make([]byte, 1024)
 		select {
 		case <-tc.ctx.Done():
-			slog.Debug("router context done in module", "id", tc.Id())
+			tc.logger.Debug("done")
 			return nil
 		default:
 		READ:
 			for {
 				select {
 				case <-tc.ctx.Done():
-					slog.Debug("router context done in module", "id", tc.Id())
+					tc.logger.Debug("done")
 					return nil
 				default:
 					byteCount, err := tc.conn.Read(buffer)
@@ -134,9 +143,9 @@ func (tc *TCPClient) Run() error {
 							messages := tc.framer.Decode(buffer[0:byteCount])
 							for _, message := range messages {
 								if tc.router != nil {
-									tc.router.HandleInput(tc.Id(), message)
+									tc.router.HandleInput(tc.ctx, tc.Id(), message)
 								} else {
-									slog.Error("net.tcp.client has no router", "id", tc.Id())
+									tc.logger.Error("input received but no router is configured")
 								}
 							}
 						}
@@ -153,7 +162,7 @@ func (tc *TCPClient) SetupConn() error {
 	return err
 }
 
-func (tc *TCPClient) Output(payload any) error {
+func (tc *TCPClient) Output(ctx context.Context, payload any) error {
 	// NOTE(jwetzell): not sure how this would occur but
 	if tc.conn == nil {
 		err := tc.SetupConn()
@@ -163,7 +172,7 @@ func (tc *TCPClient) Output(payload any) error {
 	}
 	payloadBytes, ok := payload.([]byte)
 	if !ok {
-		return fmt.Errorf("net.tcp.client is only able to output bytes")
+		return errors.New("net.tcp.client is only able to output bytes")
 	}
 	_, err := tc.conn.Write(tc.framer.Encode(payloadBytes))
 	return err

internal/module/tcp-server.go

@@ -26,22 +26,23 @@ type TCPServer struct {
 	wg            sync.WaitGroup
 	connections   []*net.TCPConn
 	connectionsMu sync.RWMutex
+	logger        *slog.Logger
 }
 
 func init() {
 	RegisterModule(ModuleRegistration{
 		Type: "net.tcp.server",
-		New: func(ctx context.Context, config config.ModuleConfig, router route.RouteIO) (Module, error) {
+		New: func(config config.ModuleConfig) (Module, error) {
 			params := config.Params
 			port, ok := params["port"]
 			if !ok {
-				return nil, fmt.Errorf("net.tcp.server requires a port parameter")
+				return nil, errors.New("net.tcp.server requires a port parameter")
 			}
 
 			portNum, ok := port.(float64)
 
 			if !ok {
-				return nil, fmt.Errorf("net.tcp.server port must be a number")
+				return nil, errors.New("net.tcp.server port must be a number")
 			}
 
 			framingMethod := "RAW"
@@ -52,15 +53,15 @@ func init() {
 				framingMethodString, ok := framingMethodRaw.(string)
 
 				if !ok {
-					return nil, fmt.Errorf("misc.serial.client framing method must be a string")
+					return nil, errors.New("net.tcp.server framing method must be a string")
 				}
 				framingMethod = framingMethodString
 			}
 
-			framer, err := framer.GetFramer(framingMethod)
+			framer := framer.GetFramer(framingMethod)
 
-			if err != nil {
+			if framer == nil {
-				return nil, err
+				return nil, fmt.Errorf("net.tcp.server unknown framing method: %s", framingMethod)
 			}
 
 			ipString := "0.0.0.0"
@@ -71,7 +72,7 @@ func init() {
 				specificIpString, ok := ip.(string)
 
 				if !ok {
-					return nil, fmt.Errorf("net.tcp.server ip must be a string")
+					return nil, errors.New("net.tcp.server ip must be a string")
 				}
 				ipString = specificIpString
 			}
@@ -80,8 +81,7 @@ func init() {
 			if err != nil {
 				return nil, err
 			}
-
+			return &TCPServer{Framer: framer, Addr: addr, config: config, quit: make(chan interface{}), logger: CreateLogger(config)}, nil
-			return &TCPServer{Framer: framer, Addr: addr, config: config, quit: make(chan interface{}), ctx: ctx, router: router}, nil
 		},
 	})
 }
@@ -98,7 +98,7 @@ func (ts *TCPServer) handleClient(client *net.TCPConn) {
 	ts.connectionsMu.Lock()
 	ts.connections = append(ts.connections, client)
 	ts.connectionsMu.Unlock()
-	slog.Debug("net.tcp.server connection accepted", "id", ts.Id(), "remoteAddr", client.RemoteAddr().String())
+	ts.logger.Debug("net.tcp.server connection accepted", "remoteAddr", client.RemoteAddr().String())
 	defer client.Close()
 
 	buffer := make([]byte, 1024)
@@ -125,7 +125,7 @@ ClientRead:
 								break
 							}
 						}
-						slog.Debug("net.tcp.server connection reset", "id", ts.Id(), "remoteAddr", client.RemoteAddr().String())
+						ts.logger.Debug("connection reset", "remoteAddr", client.RemoteAddr().String())
 						ts.connectionsMu.Unlock()
 					}
 				}
@@ -138,7 +138,7 @@ ClientRead:
 							break
 						}
 					}
-					slog.Debug("net.tcp.server stream ended", "id", ts.Id(), "remoteAddr", client.RemoteAddr().String())
+					ts.logger.Debug("stream ended", "remoteAddr", client.RemoteAddr().String())
 					ts.connectionsMu.Unlock()
 				}
 				return
@@ -148,9 +148,9 @@ ClientRead:
 					messages := ts.Framer.Decode(buffer[0:byteCount])
 					for _, message := range messages {
 						if ts.router != nil {
-							ts.router.HandleInput(ts.Id(), message)
+							ts.router.HandleInput(ts.ctx, ts.Id(), message)
 						} else {
-							slog.Error("net.tcp.server has no router", "id", ts.Id())
+							ts.logger.Error("input received but no router is configured")
 						}
 					}
 				}
@@ -159,7 +159,16 @@ ClientRead:
 	}
 }
 
-func (ts *TCPServer) Run() error {
+func (ts *TCPServer) Run(ctx context.Context) error {
+
+	router, ok := ctx.Value(route.RouterContextKey).(route.RouteIO)
+
+	if !ok {
+		return errors.New("net.tcp.server unable to get router from context")
+	}
+	ts.router = router
+	ts.ctx = ctx
+
 	listener, err := net.ListenTCP("tcp", ts.Addr)
 	if err != nil {
 		return err
@@ -170,7 +179,7 @@ func (ts *TCPServer) Run() error {
 		<-ts.ctx.Done()
 		close(ts.quit)
 		listener.Close()
-		slog.Debug("router context done in module", "id", ts.Id())
+		ts.logger.Debug("done")
 	}()
 
 AcceptLoop:
@@ -181,7 +190,7 @@ AcceptLoop:
 			case <-ts.quit:
 				break AcceptLoop
 			default:
-				slog.Debug("net.tcp.server problem with listener", "error", err)
+				ts.logger.Debug("problem with listener", "error", err)
 			}
 		} else {
 			ts.wg.Add(1)
@@ -196,11 +205,11 @@ AcceptLoop:
 	return nil
 }
 
-func (ts *TCPServer) Output(payload any) error {
+func (ts *TCPServer) Output(ctx context.Context, payload any) error {
 	payloadBytes, ok := payload.([]byte)
 
 	if !ok {
-		return fmt.Errorf("net.tcp.server is only able to output bytes")
+		return errors.New("net.tcp.server is only able to output bytes")
 	}
 	ts.connectionsMu.Lock()
 	errorString := ""
@@ -216,5 +225,5 @@ func (ts *TCPServer) Output(payload any) error {
 	if errorString == "" {
 		return nil
 	}
-	return fmt.Errorf("%s", errorString)
+	return fmt.Errorf("net.tcp.server error during output: %s", errorString)
 }

internal/module/time-interval.go

@@ -0,0 +1,82 @@
+package module
+
+import (
+	"context"
+	"errors"
+	"log/slog"
+	"time"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/route"
+)
+
+type TimeInterval struct {
+	config   config.ModuleConfig
+	Duration uint32
+	ctx      context.Context
+	router   route.RouteIO
+	ticker   *time.Ticker
+	logger   *slog.Logger
+}
+
+func init() {
+	RegisterModule(ModuleRegistration{
+		Type: "time.interval",
+		New: func(config config.ModuleConfig) (Module, error) {
+			params := config.Params
+
+			duration, ok := params["duration"]
+			if !ok {
+				return nil, errors.New("time.interval requires a duration parameter")
+			}
+
+			durationNum, ok := duration.(float64)
+
+			if !ok {
+				return nil, errors.New("time.interval duration must be number")
+			}
+			return &TimeInterval{Duration: uint32(durationNum), config: config, logger: CreateLogger(config)}, nil
+		},
+	})
+}
+
+func (i *TimeInterval) Id() string {
+	return i.config.Id
+}
+
+func (i *TimeInterval) Type() string {
+	return i.config.Type
+}
+
+func (i *TimeInterval) Run(ctx context.Context) error {
+
+	router, ok := ctx.Value(route.RouterContextKey).(route.RouteIO)
+
+	if !ok {
+		return errors.New("time.interval unable to get router from context")
+	}
+	i.router = router
+	i.ctx = ctx
+
+	ticker := time.NewTicker(time.Millisecond * time.Duration(i.Duration))
+	i.ticker = ticker
+	defer ticker.Stop()
+
+	for {
+		select {
+		case <-i.ctx.Done():
+			i.logger.Debug("done")
+			return nil
+		case <-ticker.C:
+			if i.router != nil {
+				i.router.HandleInput(i.ctx, i.Id(), time.Now())
+			}
+		}
+	}
+
+}
+
+func (i *TimeInterval) Output(ctx context.Context, payload any) error {
+	i.ticker.Reset(time.Millisecond * time.Duration(i.Duration))
+	return nil
+}

internal/module/time-timer.go

@@ -2,7 +2,7 @@ package module
 
 import (
 	"context"
-	"fmt"
+	"errors"
 	"log/slog"
 	"time"
 
@@ -10,62 +10,72 @@ import (
 	"github.com/jwetzell/showbridge-go/internal/route"
 )
 
-type Timer struct {
+type TimeTimer struct {
 	config   config.ModuleConfig
 	Duration uint32
 	ctx      context.Context
 	router   route.RouteIO
 	timer    *time.Timer
+	logger   *slog.Logger
 }
 
 func init() {
 	RegisterModule(ModuleRegistration{
-		Type: "gen.timer",
+		Type: "time.timer",
-		New: func(ctx context.Context, config config.ModuleConfig, router route.RouteIO) (Module, error) {
+		New: func(config config.ModuleConfig) (Module, error) {
 			params := config.Params
 
 			duration, ok := params["duration"]
 			if !ok {
-				return nil, fmt.Errorf("gen.timer requires a duration parameter")
+				return nil, errors.New("time.timer requires a duration parameter")
 			}
 
 			durationNum, ok := duration.(float64)
 
 			if !ok {
-				return nil, fmt.Errorf("gen.timer duration must be a number")
+				return nil, errors.New("time.timer duration must be a number")
 			}
 
-			return &Timer{Duration: uint32(durationNum), config: config, ctx: ctx, router: router}, nil
+			return &TimeTimer{Duration: uint32(durationNum), config: config, logger: CreateLogger(config)}, nil
 		},
 	})
 }
 
-func (t *Timer) Id() string {
+func (t *TimeTimer) Id() string {
 	return t.config.Id
 }
 
-func (t *Timer) Type() string {
+func (t *TimeTimer) Type() string {
 	return t.config.Type
 }
 
-func (t *Timer) Run() error {
+func (t *TimeTimer) Run(ctx context.Context) error {
+
+	router, ok := ctx.Value(route.RouterContextKey).(route.RouteIO)
+
+	if !ok {
+		return errors.New("net.tcp.client unable to get router from context")
+	}
+	t.router = router
+	t.ctx = ctx
+
 	t.timer = time.NewTimer(time.Millisecond * time.Duration(t.Duration))
 	defer t.timer.Stop()
 	for {
 		select {
 		case <-t.ctx.Done():
 			t.timer.Stop()
-			slog.Debug("router context done in module", "id", t.Id())
+			t.logger.Debug("done")
 			return nil
 		case time := <-t.timer.C:
 			if t.router != nil {
-				t.router.HandleInput(t.Id(), time)
+				t.router.HandleInput(t.ctx, t.Id(), time)
 			}
 		}
 	}
 }
 
-func (t *Timer) Output(payload any) error {
+func (t *TimeTimer) Output(ctx context.Context, payload any) error {
 	t.timer.Reset(time.Millisecond * time.Duration(t.Duration))
 	return nil
 }

internal/module/udp-client.go

@@ -2,6 +2,7 @@ package module
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"log/slog"
 	"net"
@@ -17,42 +18,42 @@ type UDPClient struct {
 	conn   *net.UDPConn
 	ctx    context.Context
 	router route.RouteIO
+	logger *slog.Logger
 }
 
 func init() {
 	RegisterModule(ModuleRegistration{
 		Type: "net.udp.client",
-		New: func(ctx context.Context, config config.ModuleConfig, router route.RouteIO) (Module, error) {
+		New: func(config config.ModuleConfig) (Module, error) {
 			params := config.Params
 			host, ok := params["host"]
 
 			if !ok {
-				return nil, fmt.Errorf("net.udp.client requires a host parameter")
+				return nil, errors.New("net.udp.client requires a host parameter")
 			}
 
 			hostString, ok := host.(string)
 
 			if !ok {
-				return nil, fmt.Errorf("net.udp.client host must be a string")
+				return nil, errors.New("net.udp.client host must be a string")
 			}
 
 			port, ok := params["port"]
 			if !ok {
-				return nil, fmt.Errorf("net.udp.client requires a port parameter")
+				return nil, errors.New("net.udp.client requires a port parameter")
 			}
 
 			portNum, ok := port.(float64)
 
 			if !ok {
-				return nil, fmt.Errorf("net.udp.client port must be a number")
+				return nil, errors.New("net.udp.client port must be a number")
 			}
 
 			addr, err := net.ResolveUDPAddr("udp", fmt.Sprintf("%s:%d", hostString, uint16(portNum)))
 			if err != nil {
 				return nil, err
 			}
-
+			return &UDPClient{Addr: addr, config: config, logger: CreateLogger(config)}, nil
-			return &UDPClient{Addr: addr, config: config, ctx: ctx, router: router}, nil
 		},
 	})
 }
@@ -71,7 +72,15 @@ func (uc *UDPClient) SetupConn() error {
 	return err
 }
 
-func (uc *UDPClient) Run() error {
+func (uc *UDPClient) Run(ctx context.Context) error {
+
+	router, ok := ctx.Value(route.RouterContextKey).(route.RouteIO)
+
+	if !ok {
+		return errors.New("net.udp.client unable to get router from context")
+	}
+	uc.router = router
+	uc.ctx = ctx
 
 	err := uc.SetupConn()
 	if err != nil {
@@ -79,18 +88,18 @@ func (uc *UDPClient) Run() error {
 	}
 
 	<-uc.ctx.Done()
-	slog.Debug("router context done in module", "id", uc.Id())
+	uc.logger.Debug("done")
 	if uc.conn != nil {
 		uc.conn.Close()
 	}
 	return nil
 }
 
-func (uc *UDPClient) Output(payload any) error {
+func (uc *UDPClient) Output(ctx context.Context, payload any) error {
 
 	payloadBytes, ok := payload.([]byte)
 	if !ok {
-		return fmt.Errorf("net.udp.client is only able to output bytes")
+		return errors.New("net.udp.client is only able to output bytes")
 	}
 	if uc.conn != nil {
 		_, err := uc.conn.Write(payloadBytes)
@@ -99,7 +108,7 @@ func (uc *UDPClient) Output(payload any) error {
 			return err
 		}
 	} else {
-		return fmt.Errorf("net.udp.client client is not setup")
+		return errors.New("net.udp.client client is not setup")
 	}
 	return nil
 }

internal/module/udp-multicast.go

@@ -2,6 +2,7 @@ package module
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"log/slog"
 	"net"
@@ -17,41 +18,42 @@ type UDPMulticast struct {
 	ctx    context.Context
 	router route.RouteIO
 	Addr   *net.UDPAddr
+	logger *slog.Logger
 }
 
 func init() {
 	RegisterModule(ModuleRegistration{
 		Type: "net.udp.multicast",
-		New: func(ctx context.Context, config config.ModuleConfig, router route.RouteIO) (Module, error) {
+		New: func(config config.ModuleConfig) (Module, error) {
 			params := config.Params
 			ip, ok := params["ip"]
 
 			if !ok {
-				return nil, fmt.Errorf("net.udp.client requires am ip parameter")
+				return nil, errors.New("net.udp.multicast requires an ip parameter")
 			}
 
 			ipString, ok := ip.(string)
 
 			if !ok {
-				return nil, fmt.Errorf("net.udp.client ip must be a string")
+				return nil, errors.New("net.udp.multicast ip must be a string")
 			}
 
 			port, ok := params["port"]
 			if !ok {
-				return nil, fmt.Errorf("net.udp.client requires a port parameter")
+				return nil, errors.New("net.udp.multicast requires a port parameter")
 			}
 
 			portNum, ok := port.(float64)
 
 			if !ok {
-				return nil, fmt.Errorf("net.udp.client port must be a number")
+				return nil, errors.New("net.udp.multicast port must be a number")
 			}
 
 			addr, err := net.ResolveUDPAddr("udp", fmt.Sprintf("%s:%d", ipString, uint16(portNum)))
 			if err != nil {
 				return nil, err
 			}
-			return &UDPMulticast{config: config, Addr: addr, ctx: ctx, router: router}, nil
+			return &UDPMulticast{config: config, Addr: addr, logger: CreateLogger(config)}, nil
 		},
 	})
 }
@@ -64,7 +66,15 @@ func (um *UDPMulticast) Type() string {
 	return um.config.Type
 }
 
-func (um *UDPMulticast) Run() error {
+func (um *UDPMulticast) Run(ctx context.Context) error {
+
+	router, ok := ctx.Value(route.RouterContextKey).(route.RouteIO)
+
+	if !ok {
+		return errors.New("net.udp.multicast unable to get router from context")
+	}
+	um.router = router
+	um.ctx = ctx
 
 	client, err := net.ListenMulticastUDP("udp", nil, um.Addr)
 	if err != nil {
@@ -79,7 +89,7 @@ func (um *UDPMulticast) Run() error {
 		select {
 		case <-um.ctx.Done():
 			// TODO(jwetzell): cleanup?
-			slog.Debug("router context done in module", "id", um.Id())
+			um.logger.Debug("done")
 			return nil
 		default:
 			um.conn.SetDeadline(time.Now().Add(time.Millisecond * 200))
@@ -97,24 +107,24 @@ func (um *UDPMulticast) Run() error {
 				message := buffer[:numBytes]
 
 				if um.router != nil {
-					um.router.HandleInput(um.Id(), message)
+					um.router.HandleInput(um.ctx, um.Id(), message)
 				} else {
-					slog.Error("net.udp.multicast has no router", "id", um.Id())
+					um.logger.Error("input received but no router is configured")
 				}
 			}
 		}
 	}
 }
 
-func (um *UDPMulticast) Output(payload any) error {
+func (um *UDPMulticast) Output(ctx context.Context, payload any) error {
 
 	payloadBytes, ok := payload.([]byte)
 	if !ok {
-		return fmt.Errorf("net.udp.multicast can only output bytes")
+		return errors.New("net.udp.multicast can only output bytes")
 	}
 
 	if um.conn == nil {
-		return fmt.Errorf("net.udp.multicast connection is not setup")
+		return errors.New("net.udp.multicast connection is not setup")
 	}
 
 	_, err := um.conn.Write(payloadBytes)

internal/module/udp-server.go

@@ -2,6 +2,7 @@ package module
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"log"
 	"log/slog"
@@ -13,26 +14,28 @@ import (
 )
 
 type UDPServer struct {
-	Addr   *net.UDPAddr
+	Addr       *net.UDPAddr
-	config config.ModuleConfig
+	BufferSize int
-	ctx    context.Context
+	config     config.ModuleConfig
-	router route.RouteIO
+	ctx        context.Context
+	router     route.RouteIO
+	logger     *slog.Logger
 }
 
 func init() {
 	RegisterModule(ModuleRegistration{
 		Type: "net.udp.server",
-		New: func(ctx context.Context, config config.ModuleConfig, router route.RouteIO) (Module, error) {
+		New: func(config config.ModuleConfig) (Module, error) {
 			params := config.Params
 			port, ok := params["port"]
 			if !ok {
-				return nil, fmt.Errorf("net.udp.server requires a port parameter")
+				return nil, errors.New("net.udp.server requires a port parameter")
 			}
 
 			portNum, ok := port.(float64)
 
 			if !ok {
-				return nil, fmt.Errorf("net.udp.server port must be a number")
+				return nil, errors.New("net.udp.server port must be a number")
 			}
 
 			ipString := "0.0.0.0"
@@ -43,7 +46,7 @@ func init() {
 				specificIpString, ok := ip.(string)
 
 				if !ok {
-					return nil, fmt.Errorf("net.udp.server ip must be a string")
+					return nil, errors.New("net.udp.server ip must be a string")
 				}
 				ipString = specificIpString
 			}
@@ -53,7 +56,18 @@ func init() {
 				log.Fatalf("error resolving UDP address: %v", err)
 			}
 
-			return &UDPServer{Addr: addr, config: config, ctx: ctx, router: router}, nil
+			bufferSizeNum := 2048
+			bufferSize, ok := params["bufferSize"]
+
+			if ok {
+				bufferSizeFloat, ok := bufferSize.(float64)
+
+				if !ok {
+					return nil, errors.New("net.udp.server bufferSize must be a number")
+				}
+				bufferSizeNum = int(bufferSizeFloat)
+			}
+			return &UDPServer{Addr: addr, BufferSize: bufferSizeNum, config: config, logger: CreateLogger(config)}, nil
 		},
 	})
 }
@@ -66,7 +80,15 @@ func (us *UDPServer) Type() string {
 	return us.config.Id
 }
 
-func (us *UDPServer) Run() error {
+func (us *UDPServer) Run(ctx context.Context) error {
+
+	router, ok := ctx.Value(route.RouterContextKey).(route.RouteIO)
+
+	if !ok {
+		return errors.New("net.udp.server unable to get router from context")
+	}
+	us.router = router
+	us.ctx = ctx
 
 	listener, err := net.ListenUDP("udp", us.Addr)
 	if err != nil {
@@ -75,13 +97,12 @@ func (us *UDPServer) Run() error {
 
 	defer listener.Close()
 
-	// TODO(jwetzell): make buffer size configurable
+	buffer := make([]byte, us.BufferSize)
-	buffer := make([]byte, 65535)
 	for {
 		select {
 		case <-us.ctx.Done():
 			// TODO(jwetzell): cleanup?
-			slog.Debug("router context done in module", "id", us.Id())
+			us.logger.Debug("done")
 			return nil
 		default:
 			listener.SetDeadline(time.Now().Add(time.Millisecond * 200))
@@ -96,15 +117,15 @@ func (us *UDPServer) Run() error {
 			}
 			message := buffer[:numBytes]
 			if us.router != nil {
-				us.router.HandleInput(us.Id(), message)
+				us.router.HandleInput(us.ctx, us.Id(), message)
 			} else {
-				slog.Error("net.udp.server has no router", "id", us.Id())
+				us.logger.Error("input received but no router is configured")
 			}
 		}
 	}
 
 }
 
-func (us *UDPServer) Output(payload any) error {
+func (us *UDPServer) Output(ctx context.Context, payload any) error {
-	return fmt.Errorf("net.udp.server output is not implemented")
+	return errors.New("net.udp.server output is not implemented")
 }

internal/processor/artnet-packet-decode.go

@@ -0,0 +1,42 @@
+package processor
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/jwetzell/artnet-go"
+	"github.com/jwetzell/showbridge-go/internal/config"
+)
+
+type ArtNetPacketDecode struct {
+	config config.ProcessorConfig
+}
+
+func (apd *ArtNetPacketDecode) Process(ctx context.Context, payload any) (any, error) {
+	payloadBytes, ok := payload.([]byte)
+
+	if !ok {
+		return nil, fmt.Errorf("artnet.packet.decode processor only accepts a []byte")
+	}
+
+	payloadMessage, err := artnet.Decode(payloadBytes)
+
+	if err != nil {
+		return nil, err
+	}
+
+	return payloadMessage, nil
+}
+
+func (apd *ArtNetPacketDecode) Type() string {
+	return apd.config.Type
+}
+
+func init() {
+	RegisterProcessor(ProcessorRegistration{
+		Type: "artnet.packet.decode",
+		New: func(config config.ProcessorConfig) (Processor, error) {
+			return &ArtNetPacketDecode{config: config}, nil
+		},
+	})
+}

internal/processor/artnet-packet-encode.go

@@ -0,0 +1,41 @@
+package processor
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/jwetzell/artnet-go"
+	"github.com/jwetzell/showbridge-go/internal/config"
+)
+
+type ArtNetPacketEncode struct {
+	config config.ProcessorConfig
+}
+
+func (ape *ArtNetPacketEncode) Process(ctx context.Context, payload any) (any, error) {
+	payloadPacket, ok := payload.(artnet.ArtNetPacket)
+
+	if !ok {
+		return nil, fmt.Errorf("artnet.packet.encode processor only accepts an ArtNetPacket")
+	}
+
+	payloadBytes, err := payloadPacket.MarshalBinary()
+	if err != nil {
+		return nil, err
+	}
+
+	return payloadBytes, nil
+}
+
+func (ape *ArtNetPacketEncode) Type() string {
+	return ape.config.Type
+}
+
+func init() {
+	RegisterProcessor(ProcessorRegistration{
+		Type: "artnet.packet.encode",
+		New: func(config config.ProcessorConfig) (Processor, error) {
+			return &ArtNetPacketEncode{config: config}, nil
+		},
+	})
+}

internal/processor/artnet-packet-filter.go

@@ -0,0 +1,52 @@
+package processor
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/jwetzell/artnet-go"
+	"github.com/jwetzell/showbridge-go/internal/config"
+)
+
+type ArtNetPacketFilter struct {
+	config config.ProcessorConfig
+	OpCode uint16
+}
+
+func (apf *ArtNetPacketFilter) Process(ctx context.Context, payload any) (any, error) {
+	payloadPacket, ok := payload.(artnet.ArtNetPacket)
+
+	if !ok {
+		return nil, fmt.Errorf("artnet.packet.filter processor only accepts an ArtNetPacket")
+	}
+
+	if payloadPacket.GetOpCode() != apf.OpCode {
+		return nil, nil
+	}
+
+	return payloadPacket, nil
+}
+
+func (apf *ArtNetPacketFilter) Type() string {
+	return apf.config.Type
+}
+
+func init() {
+	RegisterProcessor(ProcessorRegistration{
+		Type: "artnet.packet.filter",
+		New: func(config config.ProcessorConfig) (Processor, error) {
+			params := config.Params
+
+			opCode, ok := params["opCode"]
+			if !ok {
+				return nil, fmt.Errorf("artnet.packet.filter requires an opCode parameter")
+			}
+			opCodeNum, ok := opCode.(float64)
+			if !ok {
+				return nil, fmt.Errorf("artnet.packet.filter opCode must be a number")
+			}
+
+			return &ArtNetPacketFilter{config: config, OpCode: uint16(opCodeNum)}, nil
+		},
+	})
+}

internal/processor/debug-log.go

@@ -10,10 +10,11 @@ import (
 
 type DebugLog struct {
 	config config.ProcessorConfig
+	logger *slog.Logger
 }
 
 func (dl *DebugLog) Process(ctx context.Context, payload any) (any, error) {
-	slog.Debug("debug.log", "payload", payload, "payloadType", fmt.Sprintf("%T", payload))
+	dl.logger.Debug("", "payload", payload, "payloadType", fmt.Sprintf("%T", payload))
 	return payload, nil
 }
 
@@ -25,7 +26,7 @@ func init() {
 	RegisterProcessor(ProcessorRegistration{
 		Type: "debug.log",
 		New: func(config config.ProcessorConfig) (Processor, error) {
-			return &DebugLog{config: config}, nil
+			return &DebugLog{config: config, logger: slog.Default().With("component", "processor", "type", config.Type)}, nil
 		},
 	})
 }

internal/processor/debug-log_test.go

@@ -0,0 +1,39 @@
+package processor_test
+
+import (
+	"testing"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/processor"
+)
+
+func TestDebugLogFromRegistry(t *testing.T) {
+	registration, ok := processor.ProcessorRegistry["debug.log"]
+	if !ok {
+		t.Fatalf("debug.log processor not registered")
+	}
+
+	processorInstance, err := registration.New(config.ProcessorConfig{
+		Type: "debug.log",
+	})
+
+	if err != nil {
+		t.Fatalf("failed to create debug.log processor: %s", err)
+	}
+
+	if processorInstance.Type() != "debug.log" {
+		t.Fatalf("debug.log processor has wrong type: %s", processorInstance.Type())
+	}
+
+	payload := "test"
+	expected := "test"
+
+	got, err := processorInstance.Process(t.Context(), payload)
+	if err != nil {
+		t.Fatalf("debug.log processing failed: %s", err)
+	}
+
+	if got != expected {
+		t.Fatalf("debug.log got %+v, expected %+v", got, expected)
+	}
+}

internal/processor/float-parse.go

@@ -2,25 +2,25 @@ package processor
 
 import (
 	"context"
-	"fmt"
+	"errors"
 	"strconv"
 
 	"github.com/jwetzell/showbridge-go/internal/config"
 )
 
 type FloatParse struct {
-	config config.ProcessorConfig
+	BitSize int
+	config  config.ProcessorConfig
 }
 
 func (fp *FloatParse) Process(ctx context.Context, payload any) (any, error) {
 	payloadString, ok := payload.(string)
 
 	if !ok {
-		return nil, fmt.Errorf("float.parse processor only accepts a string")
+		return nil, errors.New("float.parse processor only accepts a string")
 	}
 
-	// TODO(jwetzell): make bitSize configurable
+	payloadFloat, err := strconv.ParseFloat(payloadString, fp.BitSize)
-	payloadFloat, err := strconv.ParseFloat(payloadString, 64)
 	if err != nil {
 		return nil, err
 	}
@@ -35,7 +35,19 @@ func init() {
 	RegisterProcessor(ProcessorRegistration{
 		Type: "float.parse",
 		New: func(config config.ProcessorConfig) (Processor, error) {
-			return &FloatParse{config: config}, nil
+			params := config.Params
+			bitSizeNum := 64
+			bitSize, ok := params["bitSize"]
+			if ok {
+				bitSizeFloat, ok := bitSize.(float64)
+
+				if !ok {
+					return nil, errors.New("float.parse bitSize must be a number")
+				}
+
+				bitSizeNum = int(bitSizeFloat)
+			}
+			return &FloatParse{config: config, BitSize: bitSizeNum}, nil
 		},
 	})
 }

internal/processor/float-parse_test.go

@@ -3,30 +3,107 @@ package processor_test
 import (
 	"testing"
 
+	"github.com/jwetzell/showbridge-go/internal/config"
 	"github.com/jwetzell/showbridge-go/internal/processor"
 )
 
+func TestFloatParseFromRegistry(t *testing.T) {
+	registration, ok := processor.ProcessorRegistry["float.parse"]
+	if !ok {
+		t.Fatalf("float.parse processor not registered")
+	}
+
+	processorInstance, err := registration.New(config.ProcessorConfig{
+		Type: "float.parse",
+	})
+
+	if err != nil {
+		t.Fatalf("failed to create float.parse processor: %s", err)
+	}
+
+	if processorInstance.Type() != "float.parse" {
+		t.Fatalf("float.parse processor has wrong type: %s", processorInstance.Type())
+	}
+}
+
+func TestFloatParseBadConfigBitSizeString(t *testing.T) {
+	registration, ok := processor.ProcessorRegistry["float.parse"]
+	if !ok {
+		t.Fatalf("float.parse processor not registered")
+	}
+
+	_, err := registration.New(config.ProcessorConfig{
+		Type: "float.parse",
+		Params: map[string]any{
+			"bitSize": "64",
+		},
+	})
+
+	if err == nil {
+		t.Fatalf("float.parse should have returned an error for bad bitSize config")
+	}
+}
+
+func TestFloatParseGoodConfig(t *testing.T) {
+	registration, ok := processor.ProcessorRegistry["float.parse"]
+	if !ok {
+		t.Fatalf("float.parse processor not registered")
+	}
+
+	processorInstance, err := registration.New(config.ProcessorConfig{
+		Type: "float.parse",
+		Params: map[string]any{
+			"bitSize": 64.0,
+		},
+	})
+
+	if err != nil {
+		t.Fatalf("float.parse should have created processor but got error: %s", err)
+	}
+
+	payload := "12345.0"
+	expected := float64(12345.0)
+
+	got, err := processorInstance.Process(t.Context(), payload)
+	if err != nil {
+		t.Fatalf("float.parse processing failed: %s", err)
+	}
+
+	gotFloat, ok := got.(float64)
+	if !ok {
+		t.Fatalf("float.parse returned a %T payload: %s", got, got)
+	}
+
+	if gotFloat != expected {
+		t.Fatalf("float.parse got %f, expected %f", gotFloat, expected)
+	}
+}
+
 func TestGoodFloatParse(t *testing.T) {
 	floatParser := processor.FloatParse{}
 	tests := []struct {
 		processor processor.Processor
 		name      string
 		payload   any
+		bitSize   int
 		expected  float64
 	}{
 		{
 			name:     "positive number",
 			payload:  "12345.67",
+			bitSize:  64,
 			expected: 12345.67,
 		},
 		{
 			name:     "negative number",
 			payload:  "-12345.67",
+			bitSize:  64,
 			expected: -12345.67,
 		},
 		{
 			name:     "zero",
 			payload:  "0",
+			bitSize:  64,
 			expected: 0,
 		},
 	}
@@ -37,48 +114,59 @@ func TestGoodFloatParse(t *testing.T) {
 
 			gotFloat, ok := got.(float64)
 			if !ok {
-				t.Errorf("float.parse returned a %T payload: %s", got, got)
+				t.Fatalf("float.parse returned a %T payload: %s", got, got)
 			}
 			if err != nil {
-				t.Errorf("float.parse failed: %s", err)
+				t.Fatalf("float.parse failed: %s", err)
 			}
 			if gotFloat != test.expected {
-				t.Errorf("float.parse got %f, expected %f", gotFloat, test.expected)
+				t.Fatalf("float.parse got %f, expected %f", gotFloat, test.expected)
 			}
 		})
 	}
 }
 
 func TestBadFloatParse(t *testing.T) {
-	floatParser := processor.FloatParse{}
 	tests := []struct {
 		processor   processor.Processor
 		name        string
 		payload     any
+		bitSize     int
 		errorString string
 	}{
 		{
 			name:        "non-string input",
 			payload:     []byte{0x01},
+			bitSize:     64,
 			errorString: "float.parse processor only accepts a string",
 		},
 		{
 			name:        "not float string",
 			payload:     "abcd",
+			bitSize:     64,
 			errorString: "strconv.ParseFloat: parsing \"abcd\": invalid syntax",
 		},
+		{
+			name:        "bit size overflow",
+			payload:     "1.79e+64",
+			bitSize:     32,
+			errorString: "strconv.ParseFloat: parsing \"1.79e+64\": value out of range",
+		},
 	}
 
 	for _, test := range tests {
 		t.Run(test.name, func(t *testing.T) {
+			floatParser := processor.FloatParse{
+				BitSize: test.bitSize,
+			}
 			got, err := floatParser.Process(t.Context(), test.payload)
 
 			if err == nil {
-				t.Errorf("float.parse expected to fail but succeeded, got: %v", got)
+				t.Fatalf("float.parse expected to fail but succeeded, got: %v", got)
 
 			}
 			if err.Error() != test.errorString {
-				t.Errorf("float.parse got error '%s', expected '%s'", err.Error(), test.errorString)
+				t.Fatalf("float.parse got error '%s', expected '%s'", err.Error(), test.errorString)
 			}
 		})
 	}

internal/processor/free-d-create.go

@@ -3,7 +3,7 @@ package processor
 import (
 	"bytes"
 	"context"
-	"fmt"
+	"errors"
 	"strconv"
 	"text/template"
 
@@ -190,13 +190,13 @@ func init() {
 			id, ok := params["id"]
 
 			if !ok {
-				return nil, fmt.Errorf("freed.create requires an id parameter")
+				return nil, errors.New("freed.create requires an id parameter")
 			}
 
 			idString, ok := id.(string)
 
 			if !ok {
-				return nil, fmt.Errorf("freed.create id must be a string")
+				return nil, errors.New("freed.create id must be a string")
 			}
 
 			idTemplate, err := template.New("id").Parse(idString)
@@ -208,13 +208,13 @@ func init() {
 			pan, ok := params["pan"]
 
 			if !ok {
-				return nil, fmt.Errorf("freed.create requires an pan parameter")
+				return nil, errors.New("freed.create requires a pan parameter")
 			}
 
 			panString, ok := pan.(string)
 
 			if !ok {
-				return nil, fmt.Errorf("freed.create pan must be a string")
+				return nil, errors.New("freed.create pan must be a string")
 			}
 
 			panTemplate, err := template.New("pan").Parse(panString)
@@ -222,13 +222,13 @@ func init() {
 			tilt, ok := params["tilt"]
 
 			if !ok {
-				return nil, fmt.Errorf("freed.create requires an tilt parameter")
+				return nil, errors.New("freed.create requires a tilt parameter")
 			}
 
 			tiltString, ok := tilt.(string)
 
 			if !ok {
-				return nil, fmt.Errorf("freed.create tilt must be a string")
+				return nil, errors.New("freed.create tilt must be a string")
 			}
 
 			tiltTemplate, err := template.New("tilt").Parse(tiltString)
@@ -236,13 +236,13 @@ func init() {
 			roll, ok := params["roll"]
 
 			if !ok {
-				return nil, fmt.Errorf("freed.create requires an roll parameter")
+				return nil, errors.New("freed.create requires a roll parameter")
 			}
 
 			rollString, ok := roll.(string)
 
 			if !ok {
-				return nil, fmt.Errorf("freed.create roll must be a string")
+				return nil, errors.New("freed.create roll must be a string")
 			}
 
 			rollTemplate, err := template.New("roll").Parse(rollString)
@@ -254,13 +254,13 @@ func init() {
 			posX, ok := params["posX"]
 
 			if !ok {
-				return nil, fmt.Errorf("freed.create requires a posX parameter")
+				return nil, errors.New("freed.create requires a posX parameter")
 			}
 
 			posXString, ok := posX.(string)
 
 			if !ok {
-				return nil, fmt.Errorf("freed.create posX must be a string")
+				return nil, errors.New("freed.create posX must be a string")
 			}
 
 			posXTemplate, err := template.New("posX").Parse(posXString)
@@ -272,13 +272,13 @@ func init() {
 			posY, ok := params["posY"]
 
 			if !ok {
-				return nil, fmt.Errorf("freed.create requires a posY parameter")
+				return nil, errors.New("freed.create requires a posY parameter")
 			}
 
 			posYString, ok := posY.(string)
 
 			if !ok {
-				return nil, fmt.Errorf("freed.create posY must be a string")
+				return nil, errors.New("freed.create posY must be a string")
 			}
 
 			posYTemplate, err := template.New("posY").Parse(posYString)
@@ -290,13 +290,13 @@ func init() {
 			posZ, ok := params["posZ"]
 
 			if !ok {
-				return nil, fmt.Errorf("freed.create requires a posZ parameter")
+				return nil, errors.New("freed.create requires a posZ parameter")
 			}
 
 			posZString, ok := posZ.(string)
 
 			if !ok {
-				return nil, fmt.Errorf("freed.create posZ must be a string")
+				return nil, errors.New("freed.create posZ must be a string")
 			}
 
 			posZTemplate, err := template.New("posZ").Parse(posZString)
@@ -308,13 +308,13 @@ func init() {
 			zoom, ok := params["zoom"]
 
 			if !ok {
-				return nil, fmt.Errorf("freed.create requires an zoom parameter")
+				return nil, errors.New("freed.create requires a zoom parameter")
 			}
 
 			zoomString, ok := zoom.(string)
 
 			if !ok {
-				return nil, fmt.Errorf("freed.create zoom must be a string")
+				return nil, errors.New("freed.create zoom must be a string")
 			}
 
 			zoomTemplate, err := template.New("zoom").Parse(zoomString)
@@ -322,13 +322,13 @@ func init() {
 			focus, ok := params["focus"]
 
 			if !ok {
-				return nil, fmt.Errorf("freed.create requires an focus parameter")
+				return nil, errors.New("freed.create requires a focus parameter")
 			}
 
 			focusString, ok := focus.(string)
 
 			if !ok {
-				return nil, fmt.Errorf("freed.create focus must be a string")
+				return nil, errors.New("freed.create focus must be a string")
 			}
 
 			focusTemplate, err := template.New("focus").Parse(focusString)

internal/processor/free-d-decode.go

@@ -2,8 +2,7 @@ package processor
 
 import (
 	"context"
-	"fmt"
+	"errors"
-	"log/slog"
 
 	freeD "github.com/jwetzell/free-d-go"
 	"github.com/jwetzell/showbridge-go/internal/config"
@@ -17,12 +16,12 @@ func (fdd *FreeDDecode) Process(ctx context.Context, payload any) (any, error) {
 	payloadBytes, ok := payload.([]byte)
 
 	if !ok {
-		return nil, fmt.Errorf("freed.decode processor only accepts a []byte")
+		return nil, errors.New("freed.decode processor only accepts a []byte")
 	}
 
 	payloadMessage, err := freeD.Decode(payloadBytes)
 	if err != nil {
-		slog.Error("error decoding", "err", err)
+		return nil, err
 	}
 	return payloadMessage, nil
 }

internal/processor/free-d-encode.go

@@ -2,7 +2,7 @@ package processor
 
 import (
 	"context"
-	"fmt"
+	"errors"
 
 	freeD "github.com/jwetzell/free-d-go"
 	"github.com/jwetzell/showbridge-go/internal/config"
@@ -16,7 +16,7 @@ func (fde *FreeDEncode) Process(ctx context.Context, payload any) (any, error) {
 	payloadPosition, ok := payload.(freeD.FreeDPosition)
 
 	if !ok {
-		return nil, fmt.Errorf("freed.decode processor only accepts a FreeDEncode")
+		return nil, errors.New("freed.decode processor only accepts a FreeDEncode")
 	}
 
 	payloadBytes := freeD.Encode(payloadPosition)

internal/processor/http-request-create.go

@@ -3,7 +3,7 @@ package processor
 import (
 	"bytes"
 	"context"
-	"fmt"
+	"errors"
 	"net/http"
 	"text/template"
 
@@ -16,10 +16,10 @@ type HTTPRequestCreate struct {
 	URL    *template.Template
 }
 
-func (hre *HTTPRequestCreate) Process(ctx context.Context, payload any) (any, error) {
+func (hrc *HTTPRequestCreate) Process(ctx context.Context, payload any) (any, error) {
 
 	var urlBuffer bytes.Buffer
-	err := hre.URL.Execute(&urlBuffer, payload)
+	err := hrc.URL.Execute(&urlBuffer, payload)
 
 	if err != nil {
 		return nil, err
@@ -28,7 +28,7 @@ func (hre *HTTPRequestCreate) Process(ctx context.Context, payload any) (any, er
 	urlString := urlBuffer.String()
 
 	//TODO(jwetzell): support body
-	request, err := http.NewRequest(hre.Method, urlString, bytes.NewBuffer([]byte{}))
+	request, err := http.NewRequest(hrc.Method, urlString, bytes.NewBuffer([]byte{}))
 
 	if err != nil {
 		return nil, err
@@ -37,8 +37,8 @@ func (hre *HTTPRequestCreate) Process(ctx context.Context, payload any) (any, er
 	return request, nil
 }
 
-func (hre *HTTPRequestCreate) Type() string {
+func (hrc *HTTPRequestCreate) Type() string {
-	return hre.config.Type
+	return hrc.config.Type
 }
 
 func init() {
@@ -50,25 +50,25 @@ func init() {
 			method, ok := params["method"]
 
 			if !ok {
-				return nil, fmt.Errorf("http.request.create requires an method parameter")
+				return nil, errors.New("http.request.create requires a method parameter")
 			}
 
 			methodString, ok := method.(string)
 
 			if !ok {
-				return nil, fmt.Errorf("http.request.create url must be a string")
+				return nil, errors.New("http.request.create url must be a string")
 			}
 
 			url, ok := params["url"]
 
 			if !ok {
-				return nil, fmt.Errorf("http.request.create requires an url parameter")
+				return nil, errors.New("http.request.create requires a url parameter")
 			}
 
 			urlString, ok := url.(string)
 
 			if !ok {
-				return nil, fmt.Errorf("http.request.create url must be a string")
+				return nil, errors.New("http.request.create url must be a string")
 			}
 
 			urlTemplate, err := template.New("url").Parse(urlString)

internal/processor/http-request-encode.go

@@ -2,7 +2,7 @@ package processor
 
 import (
 	"context"
-	"fmt"
+	"errors"
 	"io"
 	"net/http"
 
@@ -17,7 +17,7 @@ func (hre *HTTPRequestEncode) Process(ctx context.Context, payload any) (any, er
 	payloadRequest, ok := payload.(*http.Request)
 
 	if !ok {
-		return nil, fmt.Errorf("http.request.encode processor only accepts an http.Request")
+		return nil, errors.New("http.request.encode processor only accepts an http.Request")
 	}
 
 	bytes, err := io.ReadAll(payloadRequest.Body)

internal/processor/http-request-filter.go

@@ -2,6 +2,7 @@ package processor
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"net/http"
 	"regexp"
@@ -20,7 +21,7 @@ func (hrf *HTTPRequestFilter) Process(ctx context.Context, payload any) (any, er
 	payloadRequest, ok := payload.(*http.Request)
 
 	if !ok {
-		return nil, fmt.Errorf("http.request.filter can only operate on http.Request payloads")
+		return nil, errors.New("http.request.filter can only operate on http.Request payloads")
 	}
 
 	if hrf.Method != "" {
@@ -48,13 +49,13 @@ func init() {
 			path, ok := params["path"]
 
 			if !ok {
-				return nil, fmt.Errorf("http.request.filter requires an path parameter")
+				return nil, errors.New("http.request.filter requires a path parameter")
 			}
 
 			pathString, ok := path.(string)
 
 			if !ok {
-				return nil, fmt.Errorf("http.request.filter path must be a string")
+				return nil, errors.New("http.request.filter path must be a string")
 			}
 
 			pathRegexp, err := regexp.Compile(fmt.Sprintf("^%s$", pathString))
@@ -69,7 +70,7 @@ func init() {
 				methodString, ok := method.(string)
 
 				if !ok {
-					return nil, fmt.Errorf("http.request.filter method must be a string")
+					return nil, errors.New("http.request.filter method must be a string")
 				}
 				return &HTTPRequestFilter{config: config, Path: pathRegexp, Method: methodString}, nil
 			}

internal/processor/http-response-create.go

@@ -0,0 +1,81 @@
+package processor
+
+import (
+	"bytes"
+	"context"
+	"errors"
+	"text/template"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+)
+
+type HTTPResponseCreate struct {
+	Status   int
+	BodyTmpl *template.Template
+	config   config.ProcessorConfig
+}
+
+type HTTPResponse struct {
+	Status int
+	Body   []byte
+}
+
+func (hre *HTTPResponseCreate) Process(ctx context.Context, payload any) (any, error) {
+	var bodyBuffer bytes.Buffer
+	err := hre.BodyTmpl.Execute(&bodyBuffer, payload)
+
+	if err != nil {
+		return nil, err
+	}
+
+	return HTTPResponse{
+		Status: hre.Status,
+		Body:   bodyBuffer.Bytes(),
+	}, nil
+}
+
+func (hre *HTTPResponseCreate) Type() string {
+	return hre.config.Type
+}
+
+func init() {
+	RegisterProcessor(ProcessorRegistration{
+		Type: "http.response.create",
+		New: func(config config.ProcessorConfig) (Processor, error) {
+			params := config.Params
+
+			status, ok := params["status"]
+
+			if !ok {
+				return nil, errors.New("http.response.create requires a status parameter")
+			}
+
+			statusNum, ok := status.(float64)
+
+			if !ok {
+				return nil, errors.New("http.response.create status must be a number")
+			}
+
+			bodyTmpl, ok := params["bodyTemplate"]
+
+			if !ok {
+				return nil, errors.New("http.response.create requires a bodyTemplate parameter")
+			}
+
+			bodyTemplateString, ok := bodyTmpl.(string)
+
+			if !ok {
+				return nil, errors.New("http.response.create bodyTemplate must be a string")
+			}
+
+			bodyTemplate, err := template.New("body").Parse(bodyTemplateString)
+
+			if err != nil {
+				return nil, err
+			}
+
+			// TODO(jwetzell): support other body kind (direct bytes from input, from file?)
+			return &HTTPResponseCreate{config: config, Status: int(statusNum), BodyTmpl: bodyTemplate}, nil
+		},
+	})
+}

internal/processor/http-response-encode.go

@@ -2,7 +2,7 @@ package processor
 
 import (
 	"context"
-	"fmt"
+	"errors"
 	"io"
 	"net/http"
 
@@ -17,7 +17,7 @@ func (hre *HTTPResponseEncode) Process(ctx context.Context, payload any) (any, e
 	payloadResponse, ok := payload.(*http.Response)
 
 	if !ok {
-		return nil, fmt.Errorf("http.response.encode processor only accepts an http.Response")
+		return nil, errors.New("http.response.encode processor only accepts an http.Response")
 	}
 	defer payloadResponse.Body.Close()
 

internal/processor/int-parse.go

@@ -2,25 +2,26 @@ package processor
 
 import (
 	"context"
-	"fmt"
+	"errors"
 	"strconv"
 
 	"github.com/jwetzell/showbridge-go/internal/config"
 )
 
 type IntParse struct {
-	config config.ProcessorConfig
+	Base    int
+	BitSize int
+	config  config.ProcessorConfig
 }
 
 func (ip *IntParse) Process(ctx context.Context, payload any) (any, error) {
 	payloadString, ok := payload.(string)
 
 	if !ok {
-		return nil, fmt.Errorf("int.parse processor only accepts a string")
+		return nil, errors.New("int.parse processor only accepts a string")
 	}
 
-	// TODO(jwetzell): make base and bitSize configurable
+	payloadInt, err := strconv.ParseInt(payloadString, ip.Base, ip.BitSize)
-	payloadInt, err := strconv.ParseInt(payloadString, 10, 64)
 	if err != nil {
 		return nil, err
 	}
@@ -35,7 +36,32 @@ func init() {
 	RegisterProcessor(ProcessorRegistration{
 		Type: "int.parse",
 		New: func(config config.ProcessorConfig) (Processor, error) {
-			return &IntParse{config: config}, nil
+			params := config.Params
+
+			baseNum := 10
+			base, ok := params["base"]
+			if ok {
+				baseFloat, ok := base.(float64)
+
+				if !ok {
+					return nil, errors.New("int.parse base must be a number")
+				}
+
+				baseNum = int(baseFloat)
+			}
+
+			bitSizeNum := 64
+			bitSize, ok := params["bitSize"]
+			if ok {
+				bitSizeFloat, ok := bitSize.(float64)
+
+				if !ok {
+					return nil, errors.New("int.parse bitSize must be a number")
+				}
+
+				bitSizeNum = int(bitSizeFloat)
+			}
+			return &IntParse{config: config, Base: baseNum, BitSize: bitSizeNum}, nil
 		},
 	})
 }

internal/processor/int-parse_test.go

@@ -3,82 +3,216 @@ package processor_test
 import (
 	"testing"
 
+	"github.com/jwetzell/showbridge-go/internal/config"
 	"github.com/jwetzell/showbridge-go/internal/processor"
 )
 
+func TestIntParseFromRegistry(t *testing.T) {
+	registration, ok := processor.ProcessorRegistry["int.parse"]
+	if !ok {
+		t.Fatalf("int.parse processor not registered")
+	}
+
+	processorInstance, err := registration.New(config.ProcessorConfig{
+		Type: "int.parse",
+	})
+
+	if err != nil {
+		t.Fatalf("failed to create int.parse processor: %s", err)
+	}
+
+	if processorInstance.Type() != "int.parse" {
+		t.Fatalf("int.parse processor has wrong type: %s", processorInstance.Type())
+	}
+}
+
+func TestIntParseBadConfigBaseString(t *testing.T) {
+	registration, ok := processor.ProcessorRegistry["int.parse"]
+	if !ok {
+		t.Fatalf("int.parse processor not registered")
+	}
+
+	_, err := registration.New(config.ProcessorConfig{
+		Type: "int.parse",
+		Params: map[string]any{
+			"base": "10",
+		},
+	})
+
+	if err == nil {
+		t.Fatalf("int.parse should have returned an error for bad base config")
+	}
+}
+
+func TestIntParseBadConfigBitSizeString(t *testing.T) {
+	registration, ok := processor.ProcessorRegistry["int.parse"]
+	if !ok {
+		t.Fatalf("int.parse processor not registered")
+	}
+
+	_, err := registration.New(config.ProcessorConfig{
+		Type: "int.parse",
+		Params: map[string]any{
+			"bitSize": "64",
+		},
+	})
+
+	if err == nil {
+		t.Fatalf("int.parse should have returned an error for bad bitSize config")
+	}
+}
+
+func TestIntParseGoodConfig(t *testing.T) {
+	registration, ok := processor.ProcessorRegistry["int.parse"]
+	if !ok {
+		t.Fatalf("int.parse processor not registered")
+	}
+
+	processorInstance, err := registration.New(config.ProcessorConfig{
+		Type: "int.parse",
+		Params: map[string]any{
+			"base":    10.0,
+			"bitSize": 64.0,
+		},
+	})
+
+	if err != nil {
+		t.Fatalf("int.parse should have created processor but got error: %s", err)
+	}
+
+	payload := "12345"
+	expected := int64(12345)
+
+	got, err := processorInstance.Process(t.Context(), payload)
+	if err != nil {
+		t.Fatalf("int.parse processing failed: %s", err)
+	}
+
+	gotInt, ok := got.(int64)
+	if !ok {
+		t.Fatalf("int.parse returned a %T payload: %s", got, got)
+	}
+
+	if gotInt != expected {
+		t.Fatalf("int.parse got %d, expected %d", gotInt, expected)
+	}
+}
+
 func TestGoodIntParse(t *testing.T) {
-	intParser := processor.IntParse{}
 	tests := []struct {
 		processor processor.Processor
 		name      string
 		payload   any
 		expected  int64
+		base      int
+		bitSize   int
 	}{
 		{
 			name:     "positive number",
 			payload:  "12345",
 			expected: 12345,
+			base:     10,
+			bitSize:  64,
 		},
 		{
 			name:     "negative number",
 			payload:  "-12345",
 			expected: -12345,
+			base:     10,
+			bitSize:  64,
 		},
 		{
 			name:     "zero",
 			payload:  "0",
 			expected: 0,
+			base:     10,
+			bitSize:  64,
+		},
+		{
+			name:     "binary",
+			payload:  "1010101",
+			expected: 85,
+			base:     2,
+			bitSize:  64,
+		},
+		{
+			name:     "hex",
+			payload:  "15F",
+			expected: 351,
+			base:     16,
+			bitSize:  64,
 		},
 	}
 
 	for _, test := range tests {
 		t.Run(test.name, func(t *testing.T) {
+			intParser := processor.IntParse{
+				Base:    test.base,
+				BitSize: test.bitSize,
+			}
+
 			got, err := intParser.Process(t.Context(), test.payload)
 
 			gotInt, ok := got.(int64)
 			if !ok {
-				t.Errorf("int.parse returned a %T payload: %s", got, got)
+				t.Fatalf("int.parse returned a %T payload: %s", got, got)
 			}
 			if err != nil {
-				t.Errorf("int.parse failed: %s", err)
+				t.Fatalf("int.parse failed: %s", err)
 			}
 			if gotInt != test.expected {
-				t.Errorf("int.parse got %d, expected %d", gotInt, test.expected)
+				t.Fatalf("int.parse got %d, expected %d", gotInt, test.expected)
 			}
 		})
 	}
 }
 
 func TestBadIntParse(t *testing.T) {
-	intParser := processor.IntParse{}
 	tests := []struct {
 		processor   processor.Processor
 		name        string
 		payload     any
+		base        int
+		bitSize     int
 		errorString string
 	}{
 		{
 			name:        "non-string input",
 			payload:     []byte{0x01},
+			base:        10,
+			bitSize:     64,
 			errorString: "int.parse processor only accepts a string",
 		},
 		{
 			name:        "not int string",
 			payload:     "123.46",
+			base:        10,
+			bitSize:     64,
 			errorString: "strconv.ParseInt: parsing \"123.46\": invalid syntax",
 		},
+		{
+			name:        "bit overflow",
+			payload:     "12345678901234567890",
+			base:        10,
+			bitSize:     32,
+			errorString: "strconv.ParseInt: parsing \"12345678901234567890\": value out of range",
+		},
 	}
 
 	for _, test := range tests {
 		t.Run(test.name, func(t *testing.T) {
+			intParser := processor.IntParse{
+				Base:    test.base,
+				BitSize: test.bitSize,
+			}
 			got, err := intParser.Process(t.Context(), test.payload)
 
 			if err == nil {
-				t.Errorf("int.parse expected to fail but succeeded, got: %v", got)
+				t.Fatalf("int.parse expected to fail but succeeded, got: %v", got)
 
 			}
 			if err.Error() != test.errorString {
-				t.Errorf("int.parse got error '%s', expected '%s'", err.Error(), test.errorString)
+				t.Fatalf("int.parse got error '%s', expected '%s'", err.Error(), test.errorString)
 			}
 		})
 	}

internal/processor/int-random.go

@@ -0,0 +1,61 @@
+package processor
+
+import (
+	"context"
+	"errors"
+	"math/rand/v2"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+)
+
+type IntRandom struct {
+	Min    int
+	Max    int
+	config config.ProcessorConfig
+}
+
+func (up *IntRandom) Process(ctx context.Context, payload any) (any, error) {
+	payloadInt := rand.IntN(up.Max-up.Min+1) + up.Min
+	return payloadInt, nil
+}
+
+func (up *IntRandom) Type() string {
+	return up.config.Type
+}
+
+func init() {
+	RegisterProcessor(ProcessorRegistration{
+		Type: "int.random",
+		New: func(config config.ProcessorConfig) (Processor, error) {
+			params := config.Params
+
+			min, ok := params["min"]
+			if !ok {
+				return nil, errors.New("int.random requires a min parameter")
+			}
+
+			minFloat, ok := min.(float64)
+
+			if !ok {
+				return nil, errors.New("int.random min must be a number")
+			}
+
+			max, ok := params["max"]
+			if !ok {
+				return nil, errors.New("int.random requires a max parameter")
+			}
+
+			maxFloat, ok := max.(float64)
+
+			if !ok {
+				return nil, errors.New("int.random max must be a number")
+			}
+
+			if maxFloat < minFloat {
+				return nil, errors.New("int.random max must be greater than min")
+			}
+
+			return &IntRandom{config: config, Min: int(minFloat), Max: int(maxFloat)}, nil
+		},
+	})
+}

internal/processor/json-encode.go

@@ -0,0 +1,42 @@
+package processor
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+)
+
+type JsonEncode struct {
+	config config.ProcessorConfig
+}
+
+func (je *JsonEncode) Process(ctx context.Context, payload any) (any, error) {
+	var payloadBuffer bytes.Buffer
+
+	err := json.NewEncoder(&payloadBuffer).Encode(payload)
+
+	if err != nil {
+		return nil, err
+	}
+
+	payloadBytes := payloadBuffer.Bytes()
+
+	payloadBytes = payloadBytes[0 : len(payloadBytes)-1]
+
+	return payloadBytes, nil
+}
+
+func (je *JsonEncode) Type() string {
+	return je.config.Type
+}
+
+func init() {
+	RegisterProcessor(ProcessorRegistration{
+		Type: "json.encode",
+		New: func(config config.ProcessorConfig) (Processor, error) {
+			return &JsonEncode{config: config}, nil
+		},
+	})
+}

internal/processor/json-encode_test.go

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

internal/processor/midi-message-create.go

@@ -5,6 +5,7 @@ package processor
 import (
 	"bytes"
 	"context"
+	"errors"
 	"fmt"
 	"strconv"
 	"text/template"
@@ -13,17 +14,18 @@ import (
 	"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, payload any) (any, error)
 }
 
-func (mmd *MIDIMessageCreate) Process(ctx context.Context, payload any) (any, error) {
+func (mmc *MIDIMessageCreate) Process(ctx context.Context, payload any) (any, error) {
-	return mmd.ProcessFunc(ctx, payload)
+	return mmc.ProcessFunc(ctx, payload)
 }
 
-func (mmd *MIDIMessageCreate) Type() string {
+func (mmc *MIDIMessageCreate) Type() string {
-	return mmd.config.Type
+	return mmc.config.Type
 }
 
 func newMidiNoteOnCreate(config config.ProcessorConfig) (Processor, error) {
@@ -33,13 +35,13 @@ func newMidiNoteOnCreate(config config.ProcessorConfig) (Processor, error) {
 	channel, ok := params["channel"]
 
 	if !ok {
-		return nil, fmt.Errorf("midi.message.create NoteOn requires a channel parameter")
+		return nil, errors.New("midi.message.create NoteOn requires a channel parameter")
 	}
 
 	channelString, ok := channel.(string)
 
 	if !ok {
-		return nil, fmt.Errorf("midi.message.create NoteOn channel must be a string")
+		return nil, errors.New("midi.message.create NoteOn channel must be a string")
 	}
 
 	channelTemplate, err := template.New("channel").Parse(channelString)
@@ -51,13 +53,13 @@ func newMidiNoteOnCreate(config config.ProcessorConfig) (Processor, error) {
 	note, ok := params["note"]
 
 	if !ok {
-		return nil, fmt.Errorf("midi.message.create NoteOn requires a note parameter")
+		return nil, errors.New("midi.message.create NoteOn requires a note parameter")
 	}
 
 	noteString, ok := note.(string)
 
 	if !ok {
-		return nil, fmt.Errorf("midi.message.create NoteOn note must be a string")
+		return nil, errors.New("midi.message.create NoteOn note must be a string")
 	}
 
 	noteTemplate, err := template.New("note").Parse(noteString)
@@ -69,13 +71,13 @@ func newMidiNoteOnCreate(config config.ProcessorConfig) (Processor, error) {
 	velocity, ok := params["velocity"]
 
 	if !ok {
-		return nil, fmt.Errorf("midi.message.create NoteOn requires a velocity parameter")
+		return nil, errors.New("midi.message.create NoteOn requires a velocity parameter")
 	}
 
 	velocityString, ok := velocity.(string)
 
 	if !ok {
-		return nil, fmt.Errorf("midi.message.create NoteOn velocity must be a string")
+		return nil, errors.New("midi.message.create NoteOn velocity must be a string")
 	}
 
 	velocityTemplate, err := template.New("velocity").Parse(velocityString)
@@ -124,13 +126,13 @@ func newMidiNoteOffCreate(config config.ProcessorConfig) (Processor, error) {
 	channel, ok := params["channel"]
 
 	if !ok {
-		return nil, fmt.Errorf("midi.message.create NoteOn requires a channel parameter")
+		return nil, errors.New("midi.message.create NoteOn requires a channel parameter")
 	}
 
 	channelString, ok := channel.(string)
 
 	if !ok {
-		return nil, fmt.Errorf("midi.message.create NoteOn channel must be a string")
+		return nil, errors.New("midi.message.create NoteOn channel must be a string")
 	}
 
 	channelTemplate, err := template.New("channel").Parse(channelString)
@@ -142,13 +144,13 @@ func newMidiNoteOffCreate(config config.ProcessorConfig) (Processor, error) {
 	note, ok := params["note"]
 
 	if !ok {
-		return nil, fmt.Errorf("midi.message.create NoteOn requires a note parameter")
+		return nil, errors.New("midi.message.create NoteOn requires a note parameter")
 	}
 
 	noteString, ok := note.(string)
 
 	if !ok {
-		return nil, fmt.Errorf("midi.message.create NoteOn note must be a string")
+		return nil, errors.New("midi.message.create NoteOn note must be a string")
 	}
 
 	noteTemplate, err := template.New("note").Parse(noteString)
@@ -189,13 +191,13 @@ func newMidiControlChangeCreate(config config.ProcessorConfig) (Processor, error
 	channel, ok := params["channel"]
 
 	if !ok {
-		return nil, fmt.Errorf("midi.message.create ControlChange requires a channel parameter")
+		return nil, errors.New("midi.message.create ControlChange requires a channel parameter")
 	}
 
 	channelString, ok := channel.(string)
 
 	if !ok {
-		return nil, fmt.Errorf("midi.message.create ControlChange channel must be a string")
+		return nil, errors.New("midi.message.create ControlChange channel must be a string")
 	}
 
 	channelTemplate, err := template.New("channel").Parse(channelString)
@@ -207,13 +209,13 @@ func newMidiControlChangeCreate(config config.ProcessorConfig) (Processor, error
 	controller, ok := params["controller"]
 
 	if !ok {
-		return nil, fmt.Errorf("midi.message.create ControlChange requires a controller parameter")
+		return nil, errors.New("midi.message.create ControlChange requires a controller parameter")
 	}
 
 	controllerString, ok := controller.(string)
 
 	if !ok {
-		return nil, fmt.Errorf("midi.message.create ControlChange controller must be a string")
+		return nil, errors.New("midi.message.create ControlChange controller must be a string")
 	}
 
 	controllerTemplate, err := template.New("controller").Parse(controllerString)
@@ -225,13 +227,13 @@ func newMidiControlChangeCreate(config config.ProcessorConfig) (Processor, error
 	value, ok := params["value"]
 
 	if !ok {
-		return nil, fmt.Errorf("midi.message.create ControlChange requires a value parameter")
+		return nil, errors.New("midi.message.create ControlChange requires a value parameter")
 	}
 
 	valueString, ok := value.(string)
 
 	if !ok {
-		return nil, fmt.Errorf("midi.message.create ControlChange value must be a string")
+		return nil, errors.New("midi.message.create ControlChange value must be a string")
 	}
 
 	valueTemplate, err := template.New("value").Parse(valueString)
@@ -281,13 +283,13 @@ func newMidiProgramChangeCreate(config config.ProcessorConfig) (Processor, error
 	channel, ok := params["channel"]
 
 	if !ok {
-		return nil, fmt.Errorf("midi.message.create ProgramChange requires a channel parameter")
+		return nil, errors.New("midi.message.create ProgramChange requires a channel parameter")
 	}
 
 	channelString, ok := channel.(string)
 
 	if !ok {
-		return nil, fmt.Errorf("midi.message.create ProgramChange channel must be a string")
+		return nil, errors.New("midi.message.create ProgramChange channel must be a string")
 	}
 
 	channelTemplate, err := template.New("channel").Parse(channelString)
@@ -299,13 +301,13 @@ func newMidiProgramChangeCreate(config config.ProcessorConfig) (Processor, error
 	program, ok := params["program"]
 
 	if !ok {
-		return nil, fmt.Errorf("midi.message.create ProgramChange requires a program parameter")
+		return nil, errors.New("midi.message.create ProgramChange requires a program parameter")
 	}
 
 	programString, ok := program.(string)
 
 	if !ok {
-		return nil, fmt.Errorf("midi.message.create ProgramChange program must be a string")
+		return nil, errors.New("midi.message.create ProgramChange program must be a string")
 	}
 
 	programTemplate, err := template.New("program").Parse(programString)
@@ -348,13 +350,13 @@ func init() {
 			msgType, ok := params["type"]
 
 			if !ok {
-				return nil, fmt.Errorf("midi.message.create requires a type parameter")
+				return nil, errors.New("midi.message.create requires a type parameter")
 			}
 
 			msgTypeString, ok := msgType.(string)
 
 			if !ok {
-				return nil, fmt.Errorf("midi.message.create type parameter must be a string")
+				return nil, errors.New("midi.message.create type parameter must be a string")
 			}
 
 			switch msgTypeString {

internal/processor/midi-message-decode.go

@@ -4,7 +4,7 @@ package processor
 
 import (
 	"context"
-	"fmt"
+	"errors"
 
 	"github.com/jwetzell/showbridge-go/internal/config"
 	"gitlab.com/gomidi/midi/v2"
@@ -18,7 +18,7 @@ func (mmd *MIDIMessageDecode) Process(ctx context.Context, payload any) (any, er
 	payloadBytes, ok := payload.([]byte)
 
 	if !ok {
-		return nil, fmt.Errorf("midi.message.decode processor only accepts a []byte")
+		return nil, errors.New("midi.message.decode processor only accepts a []byte")
 	}
 
 	payloadMessage := midi.Message(payloadBytes)

internal/processor/midi-message-encode.go

@@ -4,7 +4,7 @@ package processor
 
 import (
 	"context"
-	"fmt"
+	"errors"
 
 	"github.com/jwetzell/showbridge-go/internal/config"
 	"gitlab.com/gomidi/midi/v2"
@@ -18,7 +18,7 @@ func (mme *MIDIMessageEncode) Process(ctx context.Context, payload any) (any, er
 	payloadMessage, ok := payload.(midi.Message)
 
 	if !ok {
-		return nil, fmt.Errorf("midi.message.encode processor only accepts an midi.Message")
+		return nil, errors.New("midi.message.encode processor only accepts an midi.Message")
 	}
 
 	return payloadMessage.Bytes(), nil

internal/processor/midi-message-filter.go

@@ -4,7 +4,7 @@ package processor
 
 import (
 	"context"
-	"fmt"
+	"errors"
 
 	"github.com/jwetzell/showbridge-go/internal/config"
 	"gitlab.com/gomidi/midi/v2"
@@ -19,7 +19,7 @@ func (mmf *MIDIMessageFilter) Process(ctx context.Context, payload any) (any, er
 	payloadMessage, ok := payload.(midi.Message)
 
 	if !ok {
-		return nil, fmt.Errorf("midi.message.filter processor only accepts an midi.Message")
+		return nil, errors.New("midi.message.filter processor only accepts an midi.Message")
 	}
 
 	if payloadMessage.Type().String() != mmf.MIDIType {
@@ -41,12 +41,12 @@ func init() {
 			midiType, ok := params["type"]
 
 			if !ok {
-				return nil, fmt.Errorf("midi.message.filter requires a type parameter")
+				return nil, errors.New("midi.message.filter requires a type parameter")
 			}
 			midiTypeString, ok := midiType.(string)
 
 			if !ok {
-				return nil, fmt.Errorf("midi.message.filter type must be a string")
+				return nil, errors.New("midi.message.filter type must be a string")
 			}
 
 			return &MIDIMessageFilter{config: config, MIDIType: midiTypeString}, nil

internal/processor/midi-message-unpack.go

@@ -4,6 +4,7 @@ package processor
 
 import (
 	"context"
+	"errors"
 	"fmt"
 
 	"github.com/jwetzell/showbridge-go/internal/config"
@@ -47,7 +48,7 @@ func (mmu *MIDIMessageUnpack) Process(ctx context.Context, payload any) (any, er
 	payloadMidi, ok := payload.(midi.Message)
 
 	if !ok {
-		return nil, fmt.Errorf("midi.message.unpack processor only accepts a midi.Message")
+		return nil, errors.New("midi.message.unpack processor only accepts a midi.Message")
 	}
 
 	switch payloadMidi.Type() {

internal/processor/mqtt-message-create.go

@@ -2,7 +2,7 @@ package processor
 
 import (
 	"context"
-	"fmt"
+	"errors"
 
 	"github.com/jwetzell/showbridge-go/internal/config"
 )
@@ -51,6 +51,7 @@ func (mm MQTTMessage) Payload() []byte {
 func (mm MQTTMessage) Ack() {}
 
 func (mmc *MQTTMessageCreate) Process(ctx context.Context, payload any) (any, error) {
+	// TODO(jwetzell): support templating
 
 	message := MQTTMessage{
 		topic:    mmc.Topic,
@@ -74,44 +75,44 @@ func init() {
 			topic, ok := params["topic"]
 
 			if !ok {
-				return nil, fmt.Errorf("mqtt.message.create requires an topic parameter")
+				return nil, errors.New("mqtt.message.create requires a topic parameter")
 			}
 
 			topicString, ok := topic.(string)
 
 			if !ok {
-				return nil, fmt.Errorf("mqtt.message.create topic must be a string")
+				return nil, errors.New("mqtt.message.create topic must be a string")
 			}
 
 			qos, ok := params["qos"]
 
 			if !ok {
-				return nil, fmt.Errorf("mqtt.message.create requires an qos parameter")
+				return nil, errors.New("mqtt.message.create requires a qos parameter")
 			}
 
 			qosByte, ok := qos.(float64)
 
 			if !ok {
-				return nil, fmt.Errorf("mqtt.message.create qos must be a number")
+				return nil, errors.New("mqtt.message.create qos must be a number")
 			}
 
 			retained, ok := params["retained"]
 
 			if !ok {
-				return nil, fmt.Errorf("mqtt.message.create requires an retained parameter")
+				return nil, errors.New("mqtt.message.create requires a retained parameter")
 			}
 
 			retainedBool, ok := retained.(bool)
 
 			if !ok {
-				return nil, fmt.Errorf("mqtt.message.create retained must be a boolean")
+				return nil, errors.New("mqtt.message.create retained must be a boolean")
 			}
 
 			//TODO(jwetzell): convert payload into []byte or string for sending
 			payload, ok := params["payload"]
 
 			if !ok {
-				return nil, fmt.Errorf("mqtt.message.create requires an payload parameter")
+				return nil, errors.New("mqtt.message.create requires a payload parameter")
 			}
 
 			if payloadBytes, ok := payload.([]byte); ok {
@@ -121,7 +122,7 @@ func init() {
 			payloadString, ok := payload.(string)
 
 			if !ok {
-				return nil, fmt.Errorf("mqtt.message.create payload must be a string or byte array")
+				return nil, errors.New("mqtt.message.create payload must be a string or byte array")
 			}
 
 			payloadBytes := []byte(payloadString)

internal/processor/mqtt-message-encode.go

@@ -2,7 +2,7 @@ package processor
 
 import (
 	"context"
-	"fmt"
+	"errors"
 
 	mqtt "github.com/eclipse/paho.mqtt.golang"
 	"github.com/jwetzell/showbridge-go/internal/config"
@@ -16,7 +16,7 @@ func (mme *MQTTMessageEncode) Process(ctx context.Context, payload any) (any, er
 	payloadMessage, ok := payload.(mqtt.Message)
 
 	if !ok {
-		return nil, fmt.Errorf("mqtt.message.encode processor only accepts an mqtt.Message")
+		return nil, errors.New("mqtt.message.encode processor only accepts an mqtt.Message")
 	}
 
 	return payloadMessage.Payload(), nil

internal/processor/nats-message-create.go

@@ -3,7 +3,7 @@ package processor
 import (
 	"bytes"
 	"context"
-	"fmt"
+	"errors"
 	"text/template"
 
 	"github.com/jwetzell/showbridge-go/internal/config"
@@ -16,7 +16,7 @@ type NATSMessage struct {
 
 type NATSMessageCreate struct {
 	config  config.ProcessorConfig
-	Subject string
+	Subject *template.Template
 	Payload *template.Template
 }
 
@@ -31,8 +31,17 @@ func (nmc *NATSMessageCreate) Process(ctx context.Context, payload any) (any, er
 
 	payloadString := payloadBuffer.String()
 
+	var subjectBuffer bytes.Buffer
+	err = nmc.Subject.Execute(&subjectBuffer, payload)
+
+	if err != nil {
+		return nil, err
+	}
+
+	subjectString := subjectBuffer.String()
+
 	message := NATSMessage{
-		Subject: nmc.Subject,
+		Subject: subjectString,
 		Payload: []byte(payloadString),
 	}
 
@@ -48,29 +57,34 @@ func init() {
 		Type: "nats.message.create",
 		New: func(config config.ProcessorConfig) (Processor, error) {
 			params := config.Params
-			// TODO(jwetzell): support template for subject
 			subject, ok := params["subject"]
 
 			if !ok {
-				return nil, fmt.Errorf("nats.message.create requires a subject parameter")
+				return nil, errors.New("nats.message.create requires a subject parameter")
 			}
 
 			subjectString, ok := subject.(string)
 
 			if !ok {
-				return nil, fmt.Errorf("nats.message.create subject must be a string")
+				return nil, errors.New("nats.message.create subject must be a string")
+			}
+
+			subjectTemplate, err := template.New("subject").Parse(subjectString)
+
+			if err != nil {
+				return nil, err
 			}
 
 			payload, ok := params["payload"]
 
 			if !ok {
-				return nil, fmt.Errorf("osc.message.create requires a payload parameter")
+				return nil, errors.New("nats.message.create requires a payload parameter")
 			}
 
 			payloadString, ok := payload.(string)
 
 			if !ok {
-				return nil, fmt.Errorf("osc.message.create payload must be a string")
+				return nil, errors.New("nats.message.create payload must be a string")
 			}
 
 			payloadTemplate, err := template.New("payload").Parse(payloadString)
@@ -79,7 +93,7 @@ func init() {
 				return nil, err
 			}
 
-			return &NATSMessageCreate{config: config, Subject: subjectString, Payload: payloadTemplate}, nil
+			return &NATSMessageCreate{config: config, Subject: subjectTemplate, Payload: payloadTemplate}, nil
 		},
 	})
 }

internal/processor/nats-message-encode.go

@@ -2,7 +2,7 @@ package processor
 
 import (
 	"context"
-	"fmt"
+	"errors"
 
 	"github.com/jwetzell/showbridge-go/internal/config"
 	"github.com/nats-io/nats.go"
@@ -16,7 +16,7 @@ func (nme *NATSMessageEncode) Process(ctx context.Context, payload any) (any, er
 	payloadMessage, ok := payload.(*nats.Msg)
 
 	if !ok {
-		return nil, fmt.Errorf("nats.message.encode processor only accepts an nats.Msg")
+		return nil, errors.New("nats.message.encode processor only accepts an nats.Msg")
 	}
 
 	return payloadMessage.Data, nil

internal/processor/osc-message-create.go

@@ -4,6 +4,7 @@ import (
 	"bytes"
 	"context"
 	"encoding/hex"
+	"errors"
 	"fmt"
 	"strconv"
 	"text/template"
@@ -19,10 +20,10 @@ type OSCMessageCreate struct {
 	Types   string
 }
 
-func (o *OSCMessageCreate) Process(ctx context.Context, payload any) (any, error) {
+func (omc *OSCMessageCreate) Process(ctx context.Context, payload any) (any, error) {
 
 	var addressBuffer bytes.Buffer
-	err := o.Address.Execute(&addressBuffer, payload)
+	err := omc.Address.Execute(&addressBuffer, payload)
 
 	if err != nil {
 		return nil, err
@@ -31,11 +32,11 @@ func (o *OSCMessageCreate) Process(ctx context.Context, payload any) (any, error
 	addressString := addressBuffer.String()
 
 	if len(addressString) == 0 {
-		return nil, fmt.Errorf("osc.message.create address must not be empty")
+		return nil, errors.New("osc.message.create address must not be empty")
 	}
 
 	if addressString[0] != '/' {
-		return nil, fmt.Errorf("osc.message.create address must start with '/'")
+		return nil, errors.New("osc.message.create address must start with '/'")
 	}
 
 	payloadMessage := osc.OSCMessage{
@@ -44,7 +45,7 @@ func (o *OSCMessageCreate) Process(ctx context.Context, payload any) (any, error
 
 	args := []osc.OSCArg{}
 
-	for argIndex, argTemplate := range o.Args {
+	for argIndex, argTemplate := range omc.Args {
 		var argBuffer bytes.Buffer
 		err := argTemplate.Execute(&argBuffer, payload)
 
@@ -54,7 +55,7 @@ func (o *OSCMessageCreate) Process(ctx context.Context, payload any) (any, error
 
 		argString := argBuffer.String()
 
-		typedArg, err := argToTypedArg(argString, o.Types[argIndex])
+		typedArg, err := argToTypedArg(argString, omc.Types[argIndex])
 
 		if err != nil {
 			return nil, err
@@ -70,8 +71,8 @@ func (o *OSCMessageCreate) Process(ctx context.Context, payload any) (any, error
 	return payloadMessage, nil
 }
 
-func (o *OSCMessageCreate) Type() string {
+func (omc *OSCMessageCreate) Type() string {
-	return o.config.Type
+	return omc.config.Type
 }
 
 func init() {
@@ -82,13 +83,13 @@ func init() {
 			address, ok := params["address"]
 
 			if !ok {
-				return nil, fmt.Errorf("osc.message.create requires an address parameter")
+				return nil, errors.New("osc.message.create requires an address parameter")
 			}
 
 			addressString, ok := address.(string)
 
 			if !ok {
-				return nil, fmt.Errorf("osc.message.create address must be a string")
+				return nil, errors.New("osc.message.create address must be a string")
 			}
 
 			addressTemplate, err := template.New("address").Parse(addressString)
@@ -109,17 +110,17 @@ func init() {
 				types, ok := params["types"]
 
 				if !ok {
-					return nil, fmt.Errorf("osc.message.create requires a types parameter with args")
+					return nil, errors.New("osc.message.create requires a types parameter with args")
 				}
 
 				typesString, ok := types.(string)
 
 				if !ok {
-					return nil, fmt.Errorf("osc.message.create types must be a string")
+					return nil, errors.New("osc.message.create types must be a string")
 				}
 
 				if len(rawArgs) != len(typesString) {
-					return nil, fmt.Errorf("osc.message.create args and types must be the same length")
+					return nil, errors.New("osc.message.create args and types must be the same length")
 				}
 
 				argTemplates := []*template.Template{}
@@ -128,7 +129,7 @@ func init() {
 					argString, ok := rawArg.(string)
 
 					if !ok {
-						return nil, fmt.Errorf("osc.message.create arg must be a string")
+						return nil, errors.New("osc.message.create arg must be a string")
 					}
 
 					argTemplate, err := template.New("arg").Parse(argString)

internal/processor/osc-message-decode.go

@@ -2,7 +2,7 @@ package processor
 
 import (
 	"context"
-	"fmt"
+	"errors"
 
 	osc "github.com/jwetzell/osc-go"
 	"github.com/jwetzell/showbridge-go/internal/config"
@@ -12,19 +12,19 @@ type OSCMessageDecode struct {
 	config config.ProcessorConfig
 }
 
-func (o *OSCMessageDecode) Process(ctx context.Context, payload any) (any, error) {
+func (omd *OSCMessageDecode) Process(ctx context.Context, payload any) (any, error) {
 	payloadBytes, ok := payload.([]byte)
 
 	if !ok {
-		return nil, fmt.Errorf("osc.message.decode processor only accepts a []byte payload")
+		return nil, errors.New("osc.message.decode processor only accepts a []byte payload")
 	}
 
 	if len(payloadBytes) == 0 {
-		return nil, fmt.Errorf("osc.message.decode processor can't work on empty []byte")
+		return nil, errors.New("osc.message.decode processor can't work on empty []byte")
 	}
 
 	if payloadBytes[0] != '/' {
-		return nil, fmt.Errorf("osc.message.decode processor needs an OSC looking []byte")
+		return nil, errors.New("osc.message.decode processor needs an OSC looking []byte")
 	}
 
 	message, err := osc.MessageFromBytes(payloadBytes)
@@ -34,8 +34,8 @@ func (o *OSCMessageDecode) Process(ctx context.Context, payload any) (any, error
 	return message, nil
 }
 
-func (o *OSCMessageDecode) Type() string {
+func (omd *OSCMessageDecode) Type() string {
-	return o.config.Type
+	return omd.config.Type
 }
 
 func init() {

internal/processor/osc-message-encode.go

@@ -2,7 +2,7 @@ package processor
 
 import (
 	"context"
-	"fmt"
+	"errors"
 
 	osc "github.com/jwetzell/osc-go"
 	"github.com/jwetzell/showbridge-go/internal/config"
@@ -12,19 +12,19 @@ type OSCMessageEncode struct {
 	config config.ProcessorConfig
 }
 
-func (o *OSCMessageEncode) Process(ctx context.Context, payload any) (any, error) {
+func (ome *OSCMessageEncode) Process(ctx context.Context, payload any) (any, error) {
 	payloadMessage, ok := payload.(osc.OSCMessage)
 
 	if !ok {
-		return nil, fmt.Errorf("osc.message.encode processor only accepts an OSCMessage")
+		return nil, errors.New("osc.message.encode processor only accepts an OSCMessage")
 	}
 
 	bytes := payloadMessage.ToBytes()
 	return bytes, nil
 }
 
-func (o *OSCMessageEncode) Type() string {
+func (ome *OSCMessageEncode) Type() string {
-	return o.config.Type
+	return ome.config.Type
 }
 
 func init() {

internal/processor/osc-message-filter.go

@@ -2,6 +2,7 @@ package processor
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"regexp"
 	"strings"
@@ -15,23 +16,23 @@ type OSCMessageFilter struct {
 	Address *regexp.Regexp
 }
 
-func (o *OSCMessageFilter) Process(ctx context.Context, payload any) (any, error) {
+func (omf *OSCMessageFilter) Process(ctx context.Context, payload any) (any, error) {
 
 	payloadMessage, ok := payload.(osc.OSCMessage)
 
 	if !ok {
-		return nil, fmt.Errorf("osc.message.filter can only operate on OSCMessage payloads")
+		return nil, errors.New("osc.message.filter can only operate on OSCMessage payloads")
 	}
 
-	if !o.Address.MatchString(payloadMessage.Address) {
+	if !omf.Address.MatchString(payloadMessage.Address) {
 		return nil, nil
 	}
 
 	return payloadMessage, nil
 }
 
-func (o *OSCMessageFilter) Type() string {
+func (omf *OSCMessageFilter) Type() string {
-	return o.config.Type
+	return omf.config.Type
 }
 
 func init() {
@@ -42,13 +43,13 @@ func init() {
 			address, ok := params["address"]
 
 			if !ok {
-				return nil, fmt.Errorf("osc.message.filter requires an address parameter")
+				return nil, errors.New("osc.message.filter requires an address parameter")
 			}
 
 			addressString, ok := address.(string)
 
 			if !ok {
-				return nil, fmt.Errorf("osc.message.filter address must be a string")
+				return nil, errors.New("osc.message.filter address must be a string")
 			}
 
 			addressPattern := strings.ReplaceAll(addressString, "?", ".")

internal/processor/osc-message-transform.go

@@ -3,7 +3,7 @@ package processor
 import (
 	"bytes"
 	"context"
-	"fmt"
+	"errors"
 	"text/template"
 
 	osc "github.com/jwetzell/osc-go"
@@ -15,16 +15,15 @@ type OSCMessageTransform struct {
 	Address *template.Template
 }
 
-func (o *OSCMessageTransform) Process(ctx context.Context, payload any) (any, error) {
+func (omt *OSCMessageTransform) Process(ctx context.Context, payload any) (any, error) {
 	payloadMessage, ok := payload.(osc.OSCMessage)
 
 	if !ok {
-		return nil, fmt.Errorf("osc.message.transform processor only accepts an OSCMessage")
+		return nil, errors.New("osc.message.transform processor only accepts an OSCMessage")
 	}
 
 	var addressBuffer bytes.Buffer
-	//TODO(jwetzell): actually inject data into template
+	err := omt.Address.Execute(&addressBuffer, payloadMessage)
-	err := o.Address.Execute(&addressBuffer, payloadMessage)
 
 	if err != nil {
 		return nil, err
@@ -33,11 +32,11 @@ func (o *OSCMessageTransform) Process(ctx context.Context, payload any) (any, er
 	addressString := addressBuffer.String()
 
 	if len(addressString) == 0 {
-		return nil, fmt.Errorf("osc.message.transform address must not be empty")
+		return nil, errors.New("osc.message.transform address must not be empty")
 	}
 
 	if addressString[0] != '/' {
-		return nil, fmt.Errorf("osc.message.transform address must start with '/'")
+		return nil, errors.New("osc.message.transform address must start with '/'")
 	}
 
 	payloadMessage.Address = addressString
@@ -45,8 +44,8 @@ func (o *OSCMessageTransform) Process(ctx context.Context, payload any) (any, er
 	return payloadMessage, nil
 }
 
-func (o *OSCMessageTransform) Type() string {
+func (omt *OSCMessageTransform) Type() string {
-	return o.config.Type
+	return omt.config.Type
 }
 
 func init() {
@@ -57,13 +56,13 @@ func init() {
 			address, ok := params["address"]
 
 			if !ok {
-				return nil, fmt.Errorf("osc.message.transform requires an address parameter")
+				return nil, errors.New("osc.message.transform requires an address parameter")
 			}
 
 			addressString, ok := address.(string)
 
 			if !ok {
-				return nil, fmt.Errorf("osc.message.transform address must be a string")
+				return nil, errors.New("osc.message.transform address must be a string")
 			}
 
 			addressTemplate, err := template.New("address").Parse(addressString)

internal/processor/processor_test.go

@@ -0,0 +1,62 @@
+package processor_test
+
+import (
+	"context"
+	"testing"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/processor"
+)
+
+type TestProcessor struct {
+}
+
+func (p *TestProcessor) Type() string {
+	return "test"
+}
+func (p *TestProcessor) Process(ctx context.Context, input any) (any, error) {
+	return input, nil
+}
+
+func TestProcessorBadRegistrationNoType(t *testing.T) {
+	defer func() {
+		if r := recover(); r == nil {
+			t.Fatalf("processor registration should have panicked but did not")
+		}
+	}()
+
+	processor.RegisterProcessor(processor.ProcessorRegistration{
+		Type: "",
+		New: func(config config.ProcessorConfig) (processor.Processor, error) {
+			return &TestProcessor{}, nil
+		},
+	})
+}
+
+func TestProcessorBadRegistrationNoNew(t *testing.T) {
+	defer func() {
+		if r := recover(); r == nil {
+			t.Fatalf("processor registration should have panicked but did not")
+		}
+	}()
+
+	processor.RegisterProcessor(processor.ProcessorRegistration{
+		Type: "test",
+		New:  nil,
+	})
+}
+
+func TestProcessorBadRegistrationExistingType(t *testing.T) {
+	defer func() {
+		if r := recover(); r == nil {
+			t.Fatalf("processor registration should have panicked but did not")
+		}
+	}()
+
+	processor.RegisterProcessor(processor.ProcessorRegistration{
+		Type: "string.create",
+		New: func(config config.ProcessorConfig) (processor.Processor, error) {
+			return &TestProcessor{}, nil
+		},
+	})
+}

internal/processor/script-expr.go

@@ -2,7 +2,7 @@ package processor
 
 import (
 	"context"
-	"fmt"
+	"errors"
 
 	"github.com/expr-lang/expr"
 	"github.com/expr-lang/expr/vm"
@@ -38,13 +38,13 @@ func init() {
 			expression, ok := params["expression"]
 
 			if !ok {
-				return nil, fmt.Errorf("script.expr requires an expression parameter")
+				return nil, errors.New("script.expr requires an expression parameter")
 			}
 
 			expressionString, ok := expression.(string)
 
 			if !ok {
-				return nil, fmt.Errorf("script.expr expression must be a string")
+				return nil, errors.New("script.expr expression must be a string")
 			}
 
 			program, err := expr.Compile(expressionString)

internal/processor/script-expr_test.go

@@ -0,0 +1,171 @@
+package processor_test
+
+import (
+	"testing"
+
+	"github.com/expr-lang/expr"
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/processor"
+)
+
+func TestScriptExprFromRegistry(t *testing.T) {
+	registration, ok := processor.ProcessorRegistry["script.expr"]
+	if !ok {
+		t.Fatalf("script.expr processor not registered")
+	}
+
+	processorInstance, err := registration.New(config.ProcessorConfig{
+		Type: "script.expr",
+		Params: map[string]any{
+			"expression": "foo + bar",
+		},
+	})
+	if err != nil {
+		t.Fatalf("failed to create script.expr processor: %s", err)
+	}
+
+	if processorInstance.Type() != "script.expr" {
+		t.Fatalf("script.expr processor has wrong type: %s", processorInstance.Type())
+	}
+}
+
+func TestScriptExprNoProgram(t *testing.T) {
+	registration, ok := processor.ProcessorRegistry["script.expr"]
+	if !ok {
+		t.Fatalf("script.expr processor not registered")
+	}
+
+	_, err := registration.New(config.ProcessorConfig{
+		Type:   "script.expr",
+		Params: map[string]any{},
+	})
+
+	if err == nil {
+		t.Fatalf("script.expr processor should have thrown an error when creating")
+	}
+}
+
+func TestScriptExprBadConfigWrongExpressionType(t *testing.T) {
+	registration, ok := processor.ProcessorRegistry["script.expr"]
+	if !ok {
+		t.Fatalf("script.expr processor not registered")
+	}
+
+	_, err := registration.New(config.ProcessorConfig{
+		Type: "script.expr",
+		Params: map[string]any{
+			"expression": 12345,
+		},
+	})
+
+	if err == nil {
+		t.Fatalf("script.expr processor should have thrown an error when creating with non-string expression")
+	}
+}
+
+func TestScriptExprBadConfigNonCompilingExpression(t *testing.T) {
+	registration, ok := processor.ProcessorRegistry["script.expr"]
+	if !ok {
+		t.Fatalf("script.expr processor not registered")
+	}
+
+	_, err := registration.New(config.ProcessorConfig{
+		Type: "script.expr",
+		Params: map[string]any{
+			"expression": "foo + ",
+		},
+	})
+
+	if err == nil {
+		t.Fatalf("script.expr processor should have thrown an error when creating with non-compiling expression")
+	}
+}
+
+func TestGoodScriptExpr(t *testing.T) {
+	tests := []struct {
+		program  string
+		name     string
+		payload  map[string]any
+		expected any
+	}{
+		{
+			program: "foo + bar",
+			name:    "number",
+			payload: map[string]any{
+				"foo": 1,
+				"bar": 1,
+			},
+			expected: 2,
+		},
+		{
+			program: "foo + bar",
+			name:    "string",
+			payload: map[string]any{
+				"foo": "1",
+				"bar": "1",
+			},
+			expected: "11",
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			program, err := expr.Compile(test.program)
+			if err != nil {
+				t.Fatalf("script.expr failed to compile program: %s", err)
+			}
+
+			exprProcessor := &processor.ScriptExpr{Program: program}
+
+			got, err := exprProcessor.Process(t.Context(), test.payload)
+
+			if err != nil {
+				t.Fatalf("script.expr failed: %s", err)
+			}
+
+			//TODO(jwetzell): work out better way to compare the any/any
+			if got != test.expected {
+				t.Fatalf("script.expr got %+v (%T), expected %+v (%T)", got, got, test.expected, test.expected)
+			}
+		})
+	}
+}
+
+func TestBadScriptExpr(t *testing.T) {
+	tests := []struct {
+		program     string
+		name        string
+		payload     map[string]any
+		errorString string
+	}{
+		{
+			name:    "accessing missing field",
+			program: "foo + bar",
+			payload: map[string]any{
+				"foo": 1,
+			},
+			errorString: "invalid operation: int + <nil> (1:5)\n | foo + bar\n | ....^",
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			program, err := expr.Compile(test.program)
+			if err != nil {
+				t.Fatalf("script.expr failed to compile program: %s", err)
+			}
+
+			exprProcessor := &processor.ScriptExpr{Program: program}
+
+			got, err := exprProcessor.Process(t.Context(), test.payload)
+
+			if err == nil {
+				t.Fatalf("script.expr expected to fail but succeeded, got: %v", got)
+
+			}
+			if err.Error() != test.errorString {
+				t.Fatalf("script.expr got error '%s', expected '%s'", err.Error(), test.errorString)
+			}
+		})
+	}
+}

internal/processor/script-js.go

@@ -3,7 +3,7 @@ package processor
 import (
 	"context"
 	"encoding/json"
-	"fmt"
+	"errors"
 
 	"github.com/jwetzell/showbridge-go/internal/config"
 	"modernc.org/quickjs"
@@ -74,13 +74,13 @@ func init() {
 			program, ok := params["program"]
 
 			if !ok {
-				return nil, fmt.Errorf("script.js requires a program parameter")
+				return nil, errors.New("script.js requires a program parameter")
 			}
 
 			programString, ok := program.(string)
 
 			if !ok {
-				return nil, fmt.Errorf("script.js program must be a string")
+				return nil, errors.New("script.js program must be a string")
 			}
 
 			return &ScriptJS{config: config, Program: programString}, nil

internal/processor/script-js_test.go

@@ -0,0 +1,179 @@
+package processor_test
+
+import (
+	"maps"
+	"testing"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/processor"
+)
+
+func TestScriptJSFromRegistry(t *testing.T) {
+	registration, ok := processor.ProcessorRegistry["script.js"]
+	if !ok {
+		t.Fatalf("script.js processor not registered")
+	}
+
+	processorInstance, err := registration.New(config.ProcessorConfig{
+		Type: "script.js",
+		Params: map[string]any{
+			"program": `
+			payload = payload + 1
+			`,
+		},
+	})
+	if err != nil {
+		t.Fatalf("failed to create script.js processor: %s", err)
+	}
+
+	if processorInstance.Type() != "script.js" {
+		t.Fatalf("script.js processor has wrong type: %s", processorInstance.Type())
+	}
+
+	payload := 1
+	expected := 2
+
+	got, err := processorInstance.Process(t.Context(), payload)
+	if err != nil {
+		t.Fatalf("script.js processing failed: %s", err)
+	}
+
+	if got != expected {
+		t.Fatalf("script.js got %+v, expected %+v", got, expected)
+	}
+}
+
+func TestScriptJSNoProgram(t *testing.T) {
+	registration, ok := processor.ProcessorRegistry["script.js"]
+	if !ok {
+		t.Fatalf("script.js processor not registered")
+	}
+
+	_, err := registration.New(config.ProcessorConfig{
+		Type:   "script.js",
+		Params: map[string]any{},
+	})
+
+	if err == nil {
+		t.Fatalf("script.js processor should have thrown an error when creating")
+	}
+}
+
+func TestScriptJSBadConfigWrongProgramType(t *testing.T) {
+	registration, ok := processor.ProcessorRegistry["script.js"]
+	if !ok {
+		t.Fatalf("script.js processor not registered")
+	}
+
+	_, err := registration.New(config.ProcessorConfig{
+		Type: "script.js",
+		Params: map[string]any{
+			"program": 12345,
+		},
+	})
+
+	if err == nil {
+		t.Fatalf("script.js processor should have thrown an error when creating with non-string program")
+	}
+}
+
+func TestGoodScriptJS(t *testing.T) {
+	tests := []struct {
+		processor processor.Processor
+		name      string
+		payload   any
+		expected  any
+	}{
+		{
+			name: "number",
+			processor: &processor.ScriptJS{Program: `
+			payload = payload + 1
+			`},
+			payload:  1,
+			expected: 2,
+		},
+		{
+			name: "string",
+			processor: &processor.ScriptJS{Program: `
+			payload = payload + "1"
+			`},
+			payload:  "1",
+			expected: "11",
+		},
+		{
+			name: "object",
+			processor: &processor.ScriptJS{Program: `
+			payload = { key: payload }
+			`},
+			payload:  "1",
+			expected: map[string]any{"key": "1"},
+		},
+		{
+			name: "nil",
+			processor: &processor.ScriptJS{Program: `
+			payload = undefined
+			`},
+			payload:  "1",
+			expected: nil,
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			got, err := test.processor.Process(t.Context(), test.payload)
+
+			if err != nil {
+				t.Fatalf("script.js process failed: %s", err)
+			}
+
+			//TODO(jwetzell): work out better way to compare the any/any
+
+			gotMap, ok := got.(map[string]interface{})
+			if ok {
+				// got a map
+				expectedMap, ok := test.expected.(map[string]interface{})
+				if ok {
+					if !maps.Equal(gotMap, expectedMap) {
+						t.Fatalf("script.js got %+v, expected %+v", got, test.expected)
+					}
+				} else {
+					t.Fatalf("script.js got %+v, expected %+v", got, test.expected)
+				}
+			} else {
+				if got != test.expected {
+					t.Fatalf("script.js got %+v, expected %+v", got, test.expected)
+				}
+			}
+		})
+	}
+}
+
+func TestBadScriptJS(t *testing.T) {
+	tests := []struct {
+		name        string
+		processor   processor.Processor
+		payload     any
+		errorString string
+	}{
+		{
+			name:        "accessing not defined variable",
+			processor:   &processor.ScriptJS{Program: `paylod = foo`},
+			payload:     0,
+			errorString: "ReferenceError: 'foo' is not defined",
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			got, err := test.processor.Process(t.Context(), test.payload)
+
+			if err == nil {
+				t.Fatalf("script.js expected to fail but succeeded, got: %v", got)
+			}
+
+			if err.Error() != test.errorString {
+				t.Fatalf("script.js got error '%s', expected '%s'", err.Error(), test.errorString)
+			}
+		})
+	}
+}

internal/processor/script-wasm.go

@@ -0,0 +1,92 @@
+package processor
+
+import (
+	"context"
+	"fmt"
+
+	extism "github.com/extism/go-sdk"
+	"github.com/jwetzell/showbridge-go/internal/config"
+)
+
+type ScriptWASM struct {
+	config   config.ProcessorConfig
+	Program  *extism.CompiledPlugin
+	Function string
+}
+
+func (se *ScriptWASM) Process(ctx context.Context, payload any) (any, error) {
+
+	payloadBytes, ok := payload.([]byte)
+
+	if !ok {
+		return nil, fmt.Errorf("script.wasm can only operator on byte array")
+	}
+
+	program, err := se.Program.Instance(ctx, extism.PluginInstanceConfig{})
+
+	if err != nil {
+		return nil, err
+	}
+
+	_, output, err := program.Call(se.Function, payloadBytes)
+
+	if err != nil {
+		return nil, err
+	}
+
+	return output, nil
+}
+
+func (se *ScriptWASM) Type() string {
+	return se.config.Type
+}
+
+func init() {
+	RegisterProcessor(ProcessorRegistration{
+		Type: "script.wasm",
+		New: func(config config.ProcessorConfig) (Processor, error) {
+			params := config.Params
+
+			path, ok := params["path"]
+
+			if !ok {
+				return nil, fmt.Errorf("script.wasm requires a path parameter")
+			}
+
+			pathString, ok := path.(string)
+
+			if !ok {
+				return nil, fmt.Errorf("script.wasm path must be a string")
+			}
+
+			functionString := "process"
+
+			function, ok := params["function"]
+
+			if ok {
+				specificFunctionString, ok := function.(string)
+
+				if !ok {
+					return nil, fmt.Errorf("script.wasm function must be a string")
+				}
+				functionString = specificFunctionString
+			}
+
+			manifest := extism.Manifest{
+				Wasm: []extism.Wasm{
+					extism.WasmFile{
+						Path: pathString,
+					},
+				},
+			}
+
+			program, err := extism.NewCompiledPlugin(context.Background(), manifest, extism.PluginConfig{}, []extism.HostFunction{})
+
+			if err != nil {
+				return nil, err
+			}
+
+			return &ScriptWASM{config: config, Program: program, Function: functionString}, nil
+		},
+	})
+}

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

@@ -0,0 +1,97 @@
+package processor
+
+import (
+	"bytes"
+	"context"
+	"errors"
+	"text/template"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+)
+
+type SipResponseAudioCreate struct {
+	config    config.ProcessorConfig
+	PreWait   int
+	PostWait  int
+	AudioFile *template.Template
+}
+
+type SipAudioFileResponse struct {
+	PreWait   int
+	PostWait  int
+	AudioFile string
+}
+
+func (scc *SipResponseAudioCreate) Process(ctx context.Context, payload any) (any, error) {
+
+	var audioFileBuffer bytes.Buffer
+	err := scc.AudioFile.Execute(&audioFileBuffer, payload)
+
+	if err != nil {
+		return nil, err
+	}
+
+	audioFileString := audioFileBuffer.String()
+
+	return SipAudioFileResponse{
+		PreWait:   scc.PreWait,
+		PostWait:  scc.PostWait,
+		AudioFile: audioFileString,
+	}, nil
+}
+
+func (scc *SipResponseAudioCreate) Type() string {
+	return scc.config.Type
+}
+
+func init() {
+	RegisterProcessor(ProcessorRegistration{
+		Type: "sip.response.audio.create",
+		New: func(config config.ProcessorConfig) (Processor, error) {
+			params := config.Params
+
+			preWait, ok := params["preWait"]
+
+			if !ok {
+				return nil, errors.New("sip.response.audio.create requires a preWait parameter")
+			}
+
+			preWaitNum, ok := preWait.(float64)
+
+			if !ok {
+				return nil, errors.New("sip.response.audio.create preWait must be a number")
+			}
+
+			postWait, ok := params["postWait"]
+
+			if !ok {
+				return nil, errors.New("sip.response.audio.create requires a postWait parameter")
+			}
+
+			postWaitNum, ok := postWait.(float64)
+
+			if !ok {
+				return nil, errors.New("sip.response.audio.create postWait must be a number")
+			}
+
+			audioFile, ok := params["audioFile"]
+
+			if !ok {
+				return nil, errors.New("sip.response.audio.create requires a audioFile parameter")
+			}
+
+			audioFileString, ok := audioFile.(string)
+
+			if !ok {
+				return nil, errors.New("sip.response.audio.create audioFile must be a string")
+			}
+
+			audioFileTemplate, err := template.New("audioFile").Parse(audioFileString)
+
+			if err != nil {
+				return nil, err
+			}
+			return &SipResponseAudioCreate{config: config, AudioFile: audioFileTemplate, PreWait: int(preWaitNum), PostWait: int(postWaitNum)}, nil
+		},
+	})
+}

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

@@ -0,0 +1,103 @@
+package processor
+
+import (
+	"bytes"
+	"context"
+	"errors"
+	"regexp"
+	"text/template"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+)
+
+type SipResponseDTMFCreate struct {
+	config    config.ProcessorConfig
+	PreWait   int
+	PostWait  int
+	Digits    *template.Template
+	validDTMF *regexp.Regexp
+}
+
+type SipDTMFResponse struct {
+	PreWait  int
+	PostWait int
+	Digits   string
+}
+
+func (scc *SipResponseDTMFCreate) Process(ctx context.Context, payload any) (any, error) {
+
+	var digitsBuffer bytes.Buffer
+	err := scc.Digits.Execute(&digitsBuffer, payload)
+
+	if err != nil {
+		return nil, err
+	}
+
+	digitsString := digitsBuffer.String()
+
+	if !scc.validDTMF.MatchString(digitsString) {
+		return nil, errors.New("sip.response.dtmf.create result of digits template contains invalid characters")
+	}
+
+	return SipDTMFResponse{
+		PreWait:  scc.PreWait,
+		PostWait: scc.PostWait,
+		Digits:   digitsString,
+	}, nil
+}
+
+func (scc *SipResponseDTMFCreate) Type() string {
+	return scc.config.Type
+}
+
+func init() {
+	RegisterProcessor(ProcessorRegistration{
+		Type: "sip.response.dtmf.create",
+		New: func(config config.ProcessorConfig) (Processor, error) {
+			params := config.Params
+
+			preWait, ok := params["preWait"]
+
+			if !ok {
+				return nil, errors.New("sip.response.dtmf.create requires a preWait parameter")
+			}
+
+			preWaitNum, ok := preWait.(float64)
+
+			if !ok {
+				return nil, errors.New("sip.response.dtmf.create preWait must be a number")
+			}
+
+			postWait, ok := params["postWait"]
+
+			if !ok {
+				return nil, errors.New("sip.response.dtmf.create requires a postWait parameter")
+			}
+
+			postWaitNum, ok := postWait.(float64)
+
+			if !ok {
+				return nil, errors.New("sip.response.dtmf.create postWait must be a number")
+			}
+
+			digits, ok := params["digits"]
+
+			if !ok {
+				return nil, errors.New("sip.response.dtmf.create requires a digits parameter")
+			}
+
+			digitsString, ok := digits.(string)
+
+			if !ok {
+				return nil, errors.New("sip.response.dtmf.create digits must be a string")
+			}
+
+			digitsTemplate, err := template.New("digits").Parse(digitsString)
+
+			if err != nil {
+				return nil, err
+			}
+			return &SipResponseDTMFCreate{config: config, Digits: digitsTemplate, PreWait: int(preWaitNum), PostWait: int(postWaitNum), validDTMF: regexp.MustCompile(`^[0-9*#A-Da-d]+$`)}, nil
+		},
+	})
+}

internal/processor/string-create.go

@@ -3,7 +3,7 @@ package processor
 import (
 	"bytes"
 	"context"
-	"fmt"
+	"errors"
 	"text/template"
 
 	"github.com/jwetzell/showbridge-go/internal/config"
@@ -39,13 +39,13 @@ func init() {
 			tmpl, ok := params["template"]
 
 			if !ok {
-				return nil, fmt.Errorf("string.create requires a template parameter")
+				return nil, errors.New("string.create requires a template parameter")
 			}
 
 			templateString, ok := tmpl.(string)
 
 			if !ok {
-				return nil, fmt.Errorf("string.create template must be a string")
+				return nil, errors.New("string.create template must be a string")
 			}
 
 			templateTemplate, err := template.New("template").Parse(templateString)

internal/processor/string-create_test.go

@@ -0,0 +1,81 @@
+package processor_test
+
+import (
+	"testing"
+	"text/template"
+
+	"github.com/jwetzell/showbridge-go/internal/processor"
+)
+
+type TestStruct struct {
+	Data string
+}
+
+func (t TestStruct) GetData() string {
+	return t.Data
+}
+
+func TestGoodStringCreate(t *testing.T) {
+
+	tests := []struct {
+		name     string
+		template string
+		payload  any
+		expected string
+	}{
+		{
+			name:     "string payload",
+			template: "{{.}}",
+			payload:  "hello",
+			expected: "hello",
+		},
+		{
+			name:     "number payload",
+			template: "{{.}}",
+			payload:  4,
+			expected: "4",
+		},
+		{
+			name:     "boolean payload",
+			template: "{{.}}",
+			payload:  true,
+			expected: "true",
+		},
+		{
+			name:     "struct payload - field",
+			template: "{{.Data}}",
+			payload:  TestStruct{Data: "test"},
+			expected: "test",
+		},
+		{
+			name:     "struct payload - method",
+			template: "{{.GetData}}",
+			payload:  TestStruct{Data: "test"},
+			expected: "test",
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			template, err := template.New("template").Parse(test.template)
+			if err != nil {
+				t.Fatalf("string.create template parsing failed: %s", err)
+			}
+
+			processor := &processor.StringCreate{Template: template}
+
+			got, err := processor.Process(t.Context(), test.payload)
+
+			gotStrings, ok := got.(string)
+			if !ok {
+				t.Fatalf("string.create returned a %T payload: %s", got, got)
+			}
+			if err != nil {
+				t.Fatalf("string.create failed: %s", err)
+			}
+			if gotStrings != test.expected {
+				t.Fatalf("string.create got %s, expected %s", got, test.expected)
+			}
+		})
+	}
+}

internal/processor/string-decode.go

@@ -2,7 +2,7 @@ package processor
 
 import (
 	"context"
-	"fmt"
+	"errors"
 
 	"github.com/jwetzell/showbridge-go/internal/config"
 )
@@ -15,7 +15,7 @@ func (sd *StringDecode) Process(ctx context.Context, payload any) (any, error) {
 	payloadBytes, ok := payload.([]byte)
 
 	if !ok {
-		return nil, fmt.Errorf("string.decode processor only accepts a []byte")
+		return nil, errors.New("string.decode processor only accepts a []byte")
 	}
 
 	payloadMessage := string(payloadBytes)

internal/processor/string-decode_test.go

@@ -28,13 +28,13 @@ func TestGoodStringDecode(t *testing.T) {
 
 			gotString, ok := got.(string)
 			if !ok {
-				t.Errorf("string.decode returned a %T payload: %s", got, got)
+				t.Fatalf("string.decode returned a %T payload: %s", got, got)
 			}
 			if err != nil {
-				t.Errorf("string.decode failed: %s", err)
+				t.Fatalf("string.decode failed: %s", err)
 			}
 			if gotString != test.expected {
-				t.Errorf("string.decode got %s, expected %s", got, test.expected)
+				t.Fatalf("string.decode got %s, expected %s", got, test.expected)
 			}
 		})
 	}
@@ -61,10 +61,10 @@ func TestBadStringDecode(t *testing.T) {
 			got, err := test.processor.Process(t.Context(), test.payload)
 
 			if err == nil {
-				t.Errorf("string.decode expected to fail but got payload: %s", got)
+				t.Fatalf("string.decode expected to fail but got payload: %s", got)
 			}
 			if err.Error() != test.errorString {
-				t.Errorf("string.decode got error '%s', expected '%s'", err.Error(), test.errorString)
+				t.Fatalf("string.decode got error '%s', expected '%s'", err.Error(), test.errorString)
 			}
 		})
 	}

internal/processor/string-encode.go

@@ -2,7 +2,7 @@ package processor
 
 import (
 	"context"
-	"fmt"
+	"errors"
 
 	"github.com/jwetzell/showbridge-go/internal/config"
 )
@@ -15,7 +15,7 @@ func (se *StringEncode) Process(ctx context.Context, payload any) (any, error) {
 	payloadString, ok := payload.(string)
 
 	if !ok {
-		return nil, fmt.Errorf("string.encode processor only accepts a string")
+		return nil, errors.New("string.encode processor only accepts a string")
 	}
 
 	payloadBytes := []byte(payloadString)

internal/processor/string-encode_test.go

@@ -29,13 +29,13 @@ func TestGoodStringEncode(t *testing.T) {
 
 			gotBytes, ok := got.([]byte)
 			if !ok {
-				t.Errorf("string.encode returned a %T payload: %s", got, got)
+				t.Fatalf("string.encode returned a %T payload: %s", got, got)
 			}
 			if err != nil {
-				t.Errorf("string.encode failed: %s", err)
+				t.Fatalf("string.encode failed: %s", err)
 			}
 			if !slices.Equal(gotBytes, test.expected) {
-				t.Errorf("string.encode got %s, expected %s", got, test.expected)
+				t.Fatalf("string.encode got %s, expected %s", got, test.expected)
 			}
 		})
 	}
@@ -62,10 +62,10 @@ func TestBadStringEncode(t *testing.T) {
 			got, err := test.processor.Process(t.Context(), test.payload)
 
 			if err == nil {
-				t.Errorf("string.encode expected to fail but got payload: %s", got)
+				t.Fatalf("string.encode expected to fail but got payload: %s", got)
 			}
 			if err.Error() != test.errorString {
-				t.Errorf("string.encode got error '%s', expected '%s'", err.Error(), test.errorString)
+				t.Fatalf("string.encode got error '%s', expected '%s'", err.Error(), test.errorString)
 			}
 		})
 	}

internal/processor/string-filter.go

@@ -2,7 +2,7 @@ package processor
 
 import (
 	"context"
-	"fmt"
+	"errors"
 	"regexp"
 
 	"github.com/jwetzell/showbridge-go/internal/config"
@@ -13,22 +13,22 @@ type StringFilter struct {
 	Pattern *regexp.Regexp
 }
 
-func (se *StringFilter) Process(ctx context.Context, payload any) (any, error) {
+func (sf *StringFilter) Process(ctx context.Context, payload any) (any, error) {
 	payloadString, ok := payload.(string)
 
 	if !ok {
-		return nil, fmt.Errorf("string.filter processor only accepts a string")
+		return nil, errors.New("string.filter processor only accepts a string")
 	}
 
-	if !se.Pattern.MatchString(payloadString) {
+	if !sf.Pattern.MatchString(payloadString) {
 		return nil, nil
 	}
 
 	return payloadString, nil
 }
 
-func (se *StringFilter) Type() string {
+func (sf *StringFilter) Type() string {
-	return se.config.Type
+	return sf.config.Type
 }
 
 func init() {
@@ -40,16 +40,16 @@ func init() {
 			pattern, ok := params["pattern"]
 
 			if !ok {
-				return nil, fmt.Errorf("http.request.filter requires an pattern parameter")
+				return nil, errors.New("string.filter requires a pattern parameter")
 			}
 
 			patternString, ok := pattern.(string)
 
 			if !ok {
-				return nil, fmt.Errorf("http.request.filter pattern must be a string")
+				return nil, errors.New("string.filter pattern must be a string")
 			}
 
-			patternRegexp, err := regexp.Compile(fmt.Sprintf("^%s$", patternString))
+			patternRegexp, err := regexp.Compile(patternString)
 
 			if err != nil {
 				return nil, err

internal/processor/string-split.go

@@ -2,7 +2,7 @@ package processor
 
 import (
 	"context"
-	"fmt"
+	"errors"
 	"strings"
 
 	"github.com/jwetzell/showbridge-go/internal/config"
@@ -13,20 +13,20 @@ type StringSplit struct {
 	Separator string
 }
 
-func (se *StringSplit) Process(ctx context.Context, payload any) (any, error) {
+func (ss *StringSplit) Process(ctx context.Context, payload any) (any, error) {
 	payloadString, ok := payload.(string)
 
 	if !ok {
-		return nil, fmt.Errorf("string.split only accepts a string")
+		return nil, errors.New("string.split only accepts a string")
 	}
 
-	payloadParts := strings.Split(payloadString, se.Separator)
+	payloadParts := strings.Split(payloadString, ss.Separator)
 
 	return payloadParts, nil
 }
 
-func (se *StringSplit) Type() string {
+func (ss *StringSplit) Type() string {
-	return se.config.Type
+	return ss.config.Type
 }
 
 func init() {
@@ -38,13 +38,13 @@ func init() {
 			separator, ok := params["separator"]
 
 			if !ok {
-				return nil, fmt.Errorf("string.split requires a separator")
+				return nil, errors.New("string.split requires a separator")
 			}
 
 			separatorString, ok := separator.(string)
 
 			if !ok {
-				return nil, fmt.Errorf("string.split separator must be a string")
+				return nil, errors.New("string.split separator must be a string")
 			}
 
 			return &StringSplit{config: config, Separator: separatorString}, nil

internal/processor/string-split_test.go

@@ -28,19 +28,19 @@ func TestGoodStringSplit(t *testing.T) {
 
 			gotStrings, ok := got.([]string)
 			if !ok {
-				t.Errorf("string.split returned a %T payload: %s", got, got)
+				t.Fatalf("string.split returned a %T payload: %s", got, got)
 			}
 			if err != nil {
-				t.Errorf("string.split failed: %s", err)
+				t.Fatalf("string.split failed: %s", err)
 			}
 			if !slices.Equal(gotStrings, test.expected) {
-				t.Errorf("string.split got %s, expected %s", got, test.expected)
+				t.Fatalf("string.split got %s, expected %s", got, test.expected)
 			}
 		})
 	}
 }
 
-func TestBasStringSplit(t *testing.T) {
+func TestBadStringSplit(t *testing.T) {
 	tests := []struct {
 		processor   processor.Processor
 		name        string
@@ -60,10 +60,10 @@ func TestBasStringSplit(t *testing.T) {
 			got, err := test.processor.Process(t.Context(), test.payload)
 
 			if err == nil {
-				t.Errorf("string.split expected error but got none, payload: %s", got)
+				t.Fatalf("string.split expected error but got none, payload: %s", got)
 			}
 			if err.Error() != test.errorString {
-				t.Errorf("string.split got error '%s', expected '%s'", err.Error(), test.errorString)
+				t.Fatalf("string.split got error '%s', expected '%s'", err.Error(), test.errorString)
 			}
 		})
 	}

internal/processor/time-sleep.go

@@ -0,0 +1,45 @@
+package processor
+
+import (
+	"context"
+	"errors"
+	"time"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+)
+
+type MetaDelay struct {
+	config   config.ProcessorConfig
+	Duration time.Duration
+}
+
+func (md *MetaDelay) Process(ctx context.Context, payload any) (any, error) {
+	time.Sleep(md.Duration)
+	return payload, nil
+}
+
+func (md *MetaDelay) Type() string {
+	return md.config.Type
+}
+
+func init() {
+	RegisterProcessor(ProcessorRegistration{
+		Type: "time.sleep",
+		New: func(config config.ProcessorConfig) (Processor, error) {
+			params := config.Params
+
+			duration, ok := params["duration"]
+			if !ok {
+				return nil, errors.New("time.sleep requires a duration parameter")
+			}
+
+			durationNum, ok := duration.(float64)
+
+			if !ok {
+				return nil, errors.New("time.sleep duration must be number")
+			}
+
+			return &MetaDelay{config: config, Duration: time.Millisecond * time.Duration(durationNum)}, nil
+		},
+	})
+}

internal/processor/uint-parse.go

@@ -2,25 +2,26 @@ package processor
 
 import (
 	"context"
-	"fmt"
+	"errors"
 	"strconv"
 
 	"github.com/jwetzell/showbridge-go/internal/config"
 )
 
 type UintParse struct {
-	config config.ProcessorConfig
+	Base    int
+	BitSize int
+	config  config.ProcessorConfig
 }
 
 func (up *UintParse) Process(ctx context.Context, payload any) (any, error) {
 	payloadString, ok := payload.(string)
 
 	if !ok {
-		return nil, fmt.Errorf("uint.parse processor only accepts a string")
+		return nil, errors.New("uint.parse processor only accepts a string")
 	}
 
-	// TODO(jwetzell): make base and bitSize configurable
+	payloadUint, err := strconv.ParseUint(payloadString, up.Base, up.BitSize)
-	payloadUint, err := strconv.ParseUint(payloadString, 10, 64)
 	if err != nil {
 		return nil, err
 	}
@@ -35,7 +36,31 @@ func init() {
 	RegisterProcessor(ProcessorRegistration{
 		Type: "uint.parse",
 		New: func(config config.ProcessorConfig) (Processor, error) {
-			return &UintParse{config: config}, nil
+			params := config.Params
+			baseNum := 10
+			base, ok := params["base"]
+			if ok {
+				baseFloat, ok := base.(float64)
+
+				if !ok {
+					return nil, errors.New("uint.parse base must be a number")
+				}
+
+				baseNum = int(baseFloat)
+			}
+
+			bitSizeNum := 64
+			bitSize, ok := params["bitSize"]
+			if ok {
+				bitSizeFloat, ok := bitSize.(float64)
+
+				if !ok {
+					return nil, errors.New("uint.parse bitSize must be a number")
+				}
+
+				bitSizeNum = int(bitSizeFloat)
+			}
+			return &UintParse{config: config, Base: baseNum, BitSize: bitSizeNum}, nil
 		},
 	})
 }

internal/processor/uint-parse_test.go

@@ -3,42 +3,158 @@ package processor_test
 import (
 	"testing"
 
+	"github.com/jwetzell/showbridge-go/internal/config"
 	"github.com/jwetzell/showbridge-go/internal/processor"
 )
 
+func TestUintParseFromRegistry(t *testing.T) {
+	registration, ok := processor.ProcessorRegistry["uint.parse"]
+	if !ok {
+		t.Fatalf("uint.parse processor not registered")
+	}
+
+	processorInstance, err := registration.New(config.ProcessorConfig{
+		Type: "uint.parse",
+	})
+
+	if err != nil {
+		t.Fatalf("failed to create uint.parse processor: %s", err)
+	}
+
+	if processorInstance.Type() != "uint.parse" {
+		t.Fatalf("uint.parse processor has wrong type: %s", processorInstance.Type())
+	}
+}
+
+func TestUintParseBadConfigBaseString(t *testing.T) {
+	registration, ok := processor.ProcessorRegistry["uint.parse"]
+	if !ok {
+		t.Fatalf("uint.parse processor not registered")
+	}
+
+	_, err := registration.New(config.ProcessorConfig{
+		Type: "uint.parse",
+		Params: map[string]any{
+			"base": "10",
+		},
+	})
+
+	if err == nil {
+		t.Fatalf("uint.parse should have returned an error for bad base config")
+	}
+}
+
+func TestUintParseBadConfigBitSizeString(t *testing.T) {
+	registration, ok := processor.ProcessorRegistry["uint.parse"]
+	if !ok {
+		t.Fatalf("uint.parse processor not registered")
+	}
+
+	_, err := registration.New(config.ProcessorConfig{
+		Type: "uint.parse",
+		Params: map[string]any{
+			"bitSize": "64",
+		},
+	})
+
+	if err == nil {
+		t.Fatalf("uint.parse should have returned an error for bad bitSize config")
+	}
+}
+
+func TestUintParseGoodConfig(t *testing.T) {
+	registration, ok := processor.ProcessorRegistry["uint.parse"]
+	if !ok {
+		t.Fatalf("uint.parse processor not registered")
+	}
+
+	processorInstance, err := registration.New(config.ProcessorConfig{
+		Type: "uint.parse",
+		Params: map[string]any{
+			"base":    10.0,
+			"bitSize": 64.0,
+		},
+	})
+
+	if err != nil {
+		t.Fatalf("uint.parse should have created processor but got error: %s", err)
+	}
+
+	payload := "12345"
+	expected := uint64(12345)
+
+	got, err := processorInstance.Process(t.Context(), payload)
+	if err != nil {
+		t.Fatalf("uint.parse processing failed: %s", err)
+	}
+
+	gotUint, ok := got.(uint64)
+	if !ok {
+		t.Fatalf("uint.parse returned a %T payload: %s", got, got)
+	}
+
+	if gotUint != expected {
+		t.Fatalf("uint.parse got %d, expected %d", gotUint, expected)
+	}
+}
+
 func TestGoodUintParse(t *testing.T) {
-	uintParser := processor.UintParse{}
+
 	tests := []struct {
 		processor processor.Processor
 		name      string
 		payload   any
 		expected  uint64
+		base      int
+		bitSize   int
 	}{
 		{
 			name:     "positive number",
 			payload:  "12345",
 			expected: 12345,
+			base:     10,
+			bitSize:  64,
 		},
 		{
 			name:     "zero",
 			payload:  "0",
 			expected: 0,
+			base:     10,
+			bitSize:  64,
+		},
+		{
+			name:     "binary",
+			payload:  "1010101",
+			expected: 85,
+			base:     2,
+			bitSize:  64,
+		},
+		{
+			name:     "hex",
+			payload:  "15F",
+			expected: 351,
+			base:     16,
+			bitSize:  64,
 		},
 	}
 
 	for _, test := range tests {
 		t.Run(test.name, func(t *testing.T) {
+			uintParser := processor.UintParse{
+				Base:    test.base,
+				BitSize: test.bitSize,
+			}
 			got, err := uintParser.Process(t.Context(), test.payload)
 
 			gotUint, ok := got.(uint64)
 			if !ok {
-				t.Errorf("uint.parse returned a %T payload: %s", got, got)
+				t.Fatalf("uint.parse returned a %T payload: %s", got, got)
 			}
 			if err != nil {
-				t.Errorf("uint.parse failed: %s", err)
+				t.Fatalf("uint.parse failed: %s", err)
 			}
 			if gotUint != test.expected {
-				t.Errorf("uint.parse got %d, expected %d", gotUint, test.expected)
+				t.Fatalf("uint.parse got %d, expected %d", gotUint, test.expected)
 			}
 		})
 	}
@@ -50,18 +166,31 @@ func TestBadUintParse(t *testing.T) {
 		processor   processor.Processor
 		name        string
 		payload     any
+		base        int
+		bitSize     int
 		errorString string
 	}{
 		{
 			name:        "non-string input",
 			payload:     []byte{0x01},
+			base:        10,
+			bitSize:     64,
 			errorString: "uint.parse processor only accepts a string",
 		},
 		{
 			name:        "not uint string",
 			payload:     "-1234",
+			base:        10,
+			bitSize:     64,
 			errorString: "strconv.ParseUint: parsing \"-1234\": invalid syntax",
 		},
+		{
+			name:        "bit overflow",
+			payload:     "123456789012345678901234567",
+			base:        10,
+			bitSize:     32,
+			errorString: "strconv.ParseUint: parsing \"123456789012345678901234567\": value out of range",
+		},
 	}
 
 	for _, test := range tests {
@@ -69,11 +198,11 @@ func TestBadUintParse(t *testing.T) {
 			got, err := uintParser.Process(t.Context(), test.payload)
 
 			if err == nil {
-				t.Errorf("uint.parse expected to fail but succeeded, got: %v", got)
+				t.Fatalf("uint.parse expected to fail but succeeded, got: %v", got)
 
 			}
 			if err.Error() != test.errorString {
-				t.Errorf("uint.parse got error '%s', expected '%s'", err.Error(), test.errorString)
+				t.Fatalf("uint.parse got error '%s', expected '%s'", err.Error(), test.errorString)
 			}
 		})
 	}

internal/processor/uint-random.go

@@ -0,0 +1,61 @@
+package processor
+
+import (
+	"context"
+	"errors"
+	"math/rand/v2"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+)
+
+type UintRandom struct {
+	Min    uint
+	Max    uint
+	config config.ProcessorConfig
+}
+
+func (ur *UintRandom) Process(ctx context.Context, payload any) (any, error) {
+	payloadInt := rand.UintN(ur.Max-ur.Min+1) + ur.Min
+	return payloadInt, nil
+}
+
+func (ur *UintRandom) Type() string {
+	return ur.config.Type
+}
+
+func init() {
+	RegisterProcessor(ProcessorRegistration{
+		Type: "uint.random",
+		New: func(config config.ProcessorConfig) (Processor, error) {
+			params := config.Params
+
+			min, ok := params["min"]
+			if !ok {
+				return nil, errors.New("uint.random requires a min parameter")
+			}
+
+			minFloat, ok := min.(float64)
+
+			if !ok {
+				return nil, errors.New("uint.random min must be a number")
+			}
+
+			max, ok := params["max"]
+			if !ok {
+				return nil, errors.New("uint.random requires a max parameter")
+			}
+
+			maxFloat, ok := max.(float64)
+
+			if !ok {
+				return nil, errors.New("uint.random max must be a number")
+			}
+
+			if maxFloat < minFloat {
+				return nil, errors.New("uint.random max must be greater than min")
+			}
+
+			return &UintRandom{config: config, Min: uint(minFloat), Max: uint(maxFloat)}, nil
+		},
+	})
+}

internal/route/route.go

@@ -8,6 +8,11 @@ import (
 	"github.com/jwetzell/showbridge-go/internal/processor"
 )
 
+type routeContextKey string
+
+var RouterContextKey routeContextKey = routeContextKey("router")
+var SourceContextKey routeContextKey = routeContextKey("source")
+
 type RouteError struct {
 	Index  int
 	Config config.RouteConfig
@@ -15,20 +20,21 @@ type RouteError struct {
 }
 
 type RouteIOError struct {
-	Index int
+	Index        int
-	Error error
+	OutputErrors []error
+	ProcessError error
+	InputError   error
 }
 
 type RouteIO interface {
-	HandleInput(sourceId string, payload any) []RouteIOError
+	HandleInput(ctx context.Context, sourceId string, payload any) (bool, []RouteIOError)
-	HandleOutput(sourceId string, destinationId string, payload any) error
+	HandleOutput(ctx context.Context, destinationId string, payload any) []error
 }
 
 type Route interface {
 	Input() string
 	Output() string
-	HandleInput(ctx context.Context, sourceId string, payload any, router RouteIO) error
+	ProcessPayload(ctx context.Context, payload any) (any, error)
-	HandleOutput(ctx context.Context, sourceId string, payload any, router RouteIO) error
 }
 
 type ProcessorRoute struct {
@@ -66,21 +72,18 @@ func (r *ProcessorRoute) Output() string {
 	return r.output
 }
 
-func (r *ProcessorRoute) HandleInput(ctx context.Context, sourceId string, payload any, router RouteIO) error {
+func (r *ProcessorRoute) ProcessPayload(ctx context.Context, payload any) (any, error) {
-	var err error
 	for _, processor := range r.processors {
-		payload, err = processor.Process(ctx, payload)
+		processedPayload, err := processor.Process(ctx, payload)
 		if err != nil {
-			return err
+			return nil, err
 		}
 		//NOTE(jwetzell) nil payload will result in the route being "terminated"
-		if payload == nil {
+		if processedPayload == nil {
-			return nil
+			return nil, nil
 		}
+		payload = processedPayload
 	}
-	return r.HandleOutput(ctx, sourceId, payload, router)
-}
 
-func (r *ProcessorRoute) HandleOutput(ctx context.Context, sourceId string, payload any, router RouteIO) error {
+	return payload, nil
-	return router.HandleOutput(sourceId, r.output, payload)
 }

internal/route/route_test.go

@@ -0,0 +1,166 @@
+package route_test
+
+import (
+	"context"
+	"slices"
+	"testing"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/route"
+)
+
+func TestRouteCreate(t *testing.T) {
+	routeConfig := config.RouteConfig{
+		Input:  "input",
+		Output: "output",
+	}
+
+	testRoute, err := route.NewRoute(routeConfig)
+	if err != nil {
+		t.Fatalf("route failed to create: %v", err)
+	}
+
+	if testRoute.Input() != routeConfig.Input {
+		t.Fatalf("route input does not match expected input")
+	}
+	if testRoute.Output() != routeConfig.Output {
+		t.Fatalf("route output does not match expected output")
+	}
+}
+
+type MockRouter struct{}
+
+func (mr *MockRouter) HandleInput(ctx context.Context, sourceId string, payload any) (bool, []route.RouteIOError) {
+	return false, []route.RouteIOError{}
+}
+
+func (mr *MockRouter) HandleOutput(ctx context.Context, destinationId string, payload any) error {
+	return nil
+}
+
+func TestGoodRouteHandleInput(t *testing.T) {
+	routeConfig := config.RouteConfig{
+		Input: "input",
+		Processors: []config.ProcessorConfig{
+			{Type: "string.encode"},
+		},
+		Output: "output",
+	}
+
+	testRoute, err := route.NewRoute(routeConfig)
+	if err != nil {
+		t.Fatalf("route failed to create: %v", err)
+	}
+
+	inputData := "test input data"
+	payload, err := testRoute.ProcessPayload(context.WithValue(t.Context(), route.RouterContextKey, &MockRouter{}), inputData)
+	if err != nil {
+		t.Fatalf("route ProcessPayload returned error: %v", err)
+	}
+
+	payloadBytes, ok := payload.([]byte)
+	if !ok {
+		t.Fatalf("payload should be []byte got %T", payload)
+	}
+
+	if !slices.Equal([]byte(inputData), payloadBytes) {
+		t.Fatalf("route returned the wrong payload. expected: %+v got %+v", inputData, payloadBytes)
+	}
+}
+
+func TestRouteHandleInputWithProcessorError(t *testing.T) {
+	routeConfig := config.RouteConfig{
+		Input: "input",
+		Processors: []config.ProcessorConfig{
+			{Type: "string.create", Params: map[string]any{"template": "{{.invalid}}}"}},
+		},
+		Output: "output",
+	}
+
+	testRoute, err := route.NewRoute(routeConfig)
+	if err != nil {
+		t.Fatalf("route failed to create: %v", err)
+	}
+
+	inputData := "test input data"
+	_, err = testRoute.ProcessPayload(context.WithValue(t.Context(), route.RouterContextKey, &MockRouter{}), inputData)
+	if err == nil {
+		t.Fatalf("route HandleOutput did not return error for bad processor")
+	}
+}
+
+func TestRouteHandleNilPayload(t *testing.T) {
+	routeConfig := config.RouteConfig{
+		Input:      "input",
+		Processors: []config.ProcessorConfig{},
+		Output:     "output",
+	}
+
+	testRoute, err := route.NewRoute(routeConfig)
+	if err != nil {
+		t.Fatalf("route failed to create: %v", err)
+		return
+	}
+
+	payload, err := testRoute.ProcessPayload(context.WithValue(t.Context(), route.RouterContextKey, &MockRouter{}), nil)
+	if err != nil {
+		t.Fatalf("route ProcessPayload returned error: %v", err)
+	}
+	if payload != nil {
+		t.Fatalf("route returned the wrong payload")
+	}
+}
+
+func TestRouteHandleNilPayloadFromProcessor(t *testing.T) {
+	routeConfig := config.RouteConfig{
+		Input: "input",
+		Processors: []config.ProcessorConfig{
+			{Type: "script.js", Params: map[string]any{"program": "payload = undefined"}},
+		},
+		Output: "output",
+	}
+
+	testRoute, err := route.NewRoute(routeConfig)
+	if err != nil {
+		t.Fatalf("route failed to create: %v", err)
+	}
+
+	payload, err := testRoute.ProcessPayload(context.WithValue(t.Context(), route.RouterContextKey, &MockRouter{}), "test")
+	if err != nil {
+		t.Fatalf("route HandleOutput returned error for nil payload: %v", err)
+	}
+
+	if payload != nil {
+		t.Fatalf("route returned the wrong payload")
+	}
+}
+
+func TestRouteUnknownProcessor(t *testing.T) {
+	routeConfig := config.RouteConfig{
+		Input: "input",
+		Processors: []config.ProcessorConfig{
+			{Type: "asdfasdflkjalkj"},
+		},
+		Output: "output",
+	}
+
+	_, err := route.NewRoute(routeConfig)
+	if err == nil {
+		t.Fatalf("route error expected when creating route with an unknown processor, got nil")
+	}
+}
+
+func TestRouteBadProcessorConfig(t *testing.T) {
+	routeConfig := config.RouteConfig{
+		Input: "input",
+		Processors: []config.ProcessorConfig{
+			{Type: "string.create", Params: map[string]any{}},
+		},
+		Output: "output",
+	}
+
+	_, err := route.NewRoute(routeConfig)
+	if err == nil {
+		t.Fatalf("route error expected creating route with bad processor, got nil")
+	}
+}

router.go

@@ -2,9 +2,8 @@ package showbridge
 
 import (
 	"context"
-	"fmt"
+	"errors"
 	"log/slog"
-	"os"
 	"sync"
 
 	"github.com/jwetzell/showbridge-go/internal/config"
@@ -18,25 +17,19 @@ type Router struct {
 	ModuleInstances []module.Module
 	RouteInstances  []route.Route
 	moduleWait      sync.WaitGroup
+	logger          *slog.Logger
 }
 
-func NewRouter(ctx context.Context, config config.Config) (*Router, []module.ModuleError, []route.RouteError) {
+func NewRouter(config config.Config) (*Router, []module.ModuleError, []route.RouteError) {
-	logger := slog.New(slog.NewTextHandler(os.Stdout, &slog.HandlerOptions{
-		Level: slog.LevelInfo,
-	}))
 
-	slog.SetDefault(logger)
-
-	slog.Debug("creating router")
-
-	routerContext, cancel := context.WithCancel(ctx)
 	router := Router{
-		Context:         routerContext,
-		contextCancel:   cancel,
 		ModuleInstances: []module.Module{},
 		RouteInstances:  []route.Route{},
+		logger:          slog.Default().With("component", "router"),
 	}
 
+	router.logger.Debug("creating")
+
 	var moduleErrors []module.ModuleError
 
 	for moduleIndex, moduleDecl := range config.Modules {
@@ -49,7 +42,7 @@ func NewRouter(ctx context.Context, config config.Config) (*Router, []module.Mod
 			moduleErrors = append(moduleErrors, module.ModuleError{
 				Index:  moduleIndex,
 				Config: moduleDecl,
-				Error:  fmt.Errorf("module type not defined"),
+				Error:  errors.New("module type not defined"),
 			})
 			continue
 		}
@@ -64,14 +57,14 @@ func NewRouter(ctx context.Context, config config.Config) (*Router, []module.Mod
 				moduleErrors = append(moduleErrors, module.ModuleError{
 					Index:  moduleIndex,
 					Config: moduleDecl,
-					Error:  fmt.Errorf("duplicate module id"),
+					Error:  errors.New("duplicate module id"),
 				})
 				break
 			}
 		}
 
 		if !moduleInstanceExists {
-			moduleInstance, err := moduleInfo.New(router.Context, moduleDecl, &router)
+			moduleInstance, err := moduleInfo.New(moduleDecl)
 			if err != nil {
 				if moduleErrors == nil {
 					moduleErrors = []module.ModuleError{}
@@ -109,52 +102,95 @@ func NewRouter(ctx context.Context, config config.Config) (*Router, []module.Mod
 	return &router, moduleErrors, routeErrors
 }
 
-func (r *Router) Run() {
+func (r *Router) Run(ctx context.Context) {
-	slog.Info("running router")
+	r.logger.Info("running")
+	routerContext, cancel := context.WithCancel(ctx)
+	r.Context = routerContext
+	r.contextCancel = cancel
+	contextWithRouter := context.WithValue(routerContext, route.RouterContextKey, r)
+
 	for _, moduleInstance := range r.ModuleInstances {
-		r.moduleWait.Add(1)
+		r.moduleWait.Go(func() {
-		go func() {
+			err := moduleInstance.Run(contextWithRouter)
-			err := moduleInstance.Run()
 			if err != nil {
-				slog.Error("error encountered running module", "id", moduleInstance.Id(), "error", err)
+				r.logger.Error("error encountered running module", "error", err)
 			}
-			r.moduleWait.Done()
+		})
-		}()
 	}
 	<-r.Context.Done()
+	r.logger.Debug("waiting for modules to exit")
 	r.moduleWait.Wait()
-	slog.Info("router done")
+	r.logger.Info("done")
 }
 
 func (r *Router) Stop() {
+	r.logger.Info("stopping")
 	r.contextCancel()
 }
 
-func (r *Router) HandleInput(sourceId string, payload any) []route.RouteIOError {
+func (r *Router) HandleInput(ctx context.Context, sourceId string, payload any) (bool, []route.RouteIOError) {
-	var routingErrors []route.RouteIOError
+	var routeIOErrors []route.RouteIOError
+	routeFound := false
+
+	var routeWaitGroup sync.WaitGroup
+
 	for routeIndex, routeInstance := range r.RouteInstances {
 		if routeInstance.Input() == sourceId {
-			err := routeInstance.HandleInput(r.Context, sourceId, payload, r)
+			routeWaitGroup.Go(func() {
-			if err != nil {
+
-				if routingErrors == nil {
+				routeFound = true
-					routingErrors = []route.RouteIOError{}
+				routeContext := context.WithValue(ctx, route.SourceContextKey, sourceId)
+
+				payload, err := routeInstance.ProcessPayload(routeContext, payload)
+				if err != nil {
+					if routeIOErrors == nil {
+						routeIOErrors = []route.RouteIOError{}
+					}
+					r.logger.Error("unable to process input", "route", routeIndex, "source", sourceId, "error", err)
+					routeIOErrors = append(routeIOErrors, route.RouteIOError{
+						Index:        routeIndex,
+						ProcessError: err,
+					})
+					return
 				}
-				routingErrors = append(routingErrors, route.RouteIOError{
+
-					Index: routeIndex,
+				if payload == nil {
-					Error: err,
+					r.logger.Error("no input after processing", "route", routeIndex, "source", sourceId)
-				})
+					return
-				slog.Error("router unable to route input", "route", routeIndex, "source", sourceId, "error", err)
+				}
+
+				outputErrors := r.HandleOutput(routeContext, routeInstance.Output(), payload)
+				if outputErrors != nil {
+					if routeIOErrors == nil {
+						routeIOErrors = []route.RouteIOError{}
+					}
+					routeIOErrors = append(routeIOErrors, route.RouteIOError{
+						Index:        routeIndex,
+						OutputErrors: outputErrors,
+					})
+				}
+			})
+
+		}
+	}
+	routeWaitGroup.Wait()
+	return routeFound, routeIOErrors
+}
+
+func (r *Router) HandleOutput(ctx context.Context, destinationId string, payload any) []error {
+
+	var outputErrors []error
+	for _, moduleInstance := range r.ModuleInstances {
+		if moduleInstance.Id() == destinationId {
+			err := moduleInstance.Output(ctx, payload)
+			if err != nil {
+				if outputErrors == nil {
+					outputErrors = []error{}
+				}
+				outputErrors = append(outputErrors, err)
+				r.logger.Error("unable to route output", "module", moduleInstance.Id(), "error", err)
 			}
 		}
 	}
-	return routingErrors
+	return outputErrors
-}
-
-func (r *Router) HandleOutput(sourceId string, destinationId string, payload any) error {
-	for _, moduleInstance := range r.ModuleInstances {
-		if moduleInstance.Id() == destinationId {
-			return moduleInstance.Output(payload)
-		}
-	}
-	return fmt.Errorf("router could not find module instance for destination %s", destinationId)
 }

router_test.go

@@ -0,0 +1,341 @@
+package showbridge_test
+
+import (
+	"context"
+	"fmt"
+	"log/slog"
+	"sync"
+	"testing"
+	"time"
+
+	"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"
+)
+
+type MockModule struct {
+	config      config.ModuleConfig
+	ctx         context.Context
+	outputCount int
+	router      route.RouteIO
+	logger      *slog.Logger
+}
+
+func (m *MockModule) Id() string {
+	return m.config.Id
+}
+
+func (m *MockModule) Output(context.Context, any) error {
+	m.outputCount += 1
+	return nil
+}
+
+func (m *MockModule) Run(ctx context.Context) error {
+	m.ctx = ctx
+	<-m.ctx.Done()
+	return nil
+}
+
+func (m *MockModule) Type() string {
+	return m.config.Type
+}
+
+func init() {
+	module.RegisterModule(module.ModuleRegistration{
+		Type: "mock.counter",
+		New: func(config config.ModuleConfig) (module.Module, error) {
+
+			return &MockModule{config: config, logger: slog.Default()}, nil
+		},
+	})
+}
+
+func TestNewRouter(t *testing.T) {
+	routerConfig := config.Config{
+		Modules: []config.ModuleConfig{
+			{
+				Id:   "mock",
+				Type: "mock.counter",
+			},
+		},
+	}
+
+	_, moduleErrors, routeErrors := showbridge.NewRouter(routerConfig)
+
+	if moduleErrors != nil {
+		t.Fatalf("router should not have returned any module errors: %v", moduleErrors)
+	}
+
+	if routeErrors != nil {
+		t.Fatalf("router should not have returned any route errors: %v", routeErrors)
+	}
+}
+
+func TestNewRouterUnknownModuleType(t *testing.T) {
+	routerConfig := config.Config{
+		Modules: []config.ModuleConfig{
+			{
+				Id:   "mock",
+				Type: "asd.fjlkj23oiu4ksldj",
+			},
+		},
+	}
+
+	_, moduleErrors, _ := showbridge.NewRouter(routerConfig)
+
+	if moduleErrors == nil {
+		t.Fatalf("router should have returned 'unknown module' module errors")
+	}
+}
+
+func TestNewRouterDuplicateModuleId(t *testing.T) {
+	routerConfig := config.Config{
+		Modules: []config.ModuleConfig{
+			{
+				Id:   "mock",
+				Type: "mock.counter",
+			},
+			{
+				Id:   "mock",
+				Type: "mock.counter",
+			},
+		},
+	}
+
+	_, moduleErrors, _ := showbridge.NewRouter(routerConfig)
+
+	if moduleErrors == nil {
+		t.Fatalf("router should have returned 'duplicate id' module error")
+	}
+}
+
+func TestRouterInputSingleRoute(t *testing.T) {
+	routerConfig := config.Config{
+		Modules: []config.ModuleConfig{
+			{
+				Id:   "mock",
+				Type: "mock.counter",
+			},
+		},
+		Routes: []config.RouteConfig{
+			{
+				Input:  "mock",
+				Output: "mock",
+			},
+		},
+	}
+
+	router, moduleErrors, routeErrors := showbridge.NewRouter(routerConfig)
+
+	if moduleErrors != nil {
+		t.Fatalf("router should not have returned any module errors: %v", moduleErrors)
+	}
+
+	if routeErrors != nil {
+		t.Fatalf("router should not have returned any route errors: %v", routeErrors)
+	}
+
+	routerRunner := sync.WaitGroup{}
+
+	routerRunner.Go(func() {
+		router.Run(t.Context())
+	})
+
+	time.Sleep(time.Second * 1)
+
+	defer router.Stop()
+
+	mockModuleInputCount := 3
+	for i := range mockModuleInputCount {
+		aRouteFound, routingErrors := router.HandleInput(t.Context(), "mock", fmt.Sprintf("test %d", i))
+
+		if routingErrors != nil {
+			t.Fatalf("router should not have encountered routing errors")
+		}
+
+		if !aRouteFound {
+			t.Fatalf("router should have found a valid route for the input")
+		}
+	}
+
+	for _, moduleInstance := range router.ModuleInstances {
+		if moduleInstance.Id() == "mock" {
+			mockModuleInstance, ok := moduleInstance.(*MockModule)
+			if !ok {
+				t.Fatalf("couldn't get mock module")
+			}
+
+			if mockModuleInstance.outputCount != mockModuleInputCount {
+				t.Fatalf("mock module output count did not matched expected: %d got: %d", mockModuleInputCount, mockModuleInstance.outputCount)
+			}
+		}
+	}
+}
+
+func TestRouterInputMultipleRoutes(t *testing.T) {
+	routerConfig := config.Config{
+		Modules: []config.ModuleConfig{
+			{
+				Id:   "mock",
+				Type: "mock.counter",
+			},
+		},
+		Routes: []config.RouteConfig{
+			{
+				Input:  "mock",
+				Output: "mock",
+			},
+			{
+				Input:  "mock",
+				Output: "mock",
+			},
+			{
+				Input:  "mock",
+				Output: "mock",
+			},
+		},
+	}
+
+	router, moduleErrors, routeErrors := showbridge.NewRouter(routerConfig)
+
+	if moduleErrors != nil {
+		t.Fatalf("router should not have returned any module errors: %v", moduleErrors)
+	}
+
+	if routeErrors != nil {
+		t.Fatalf("router should not have returned any route errors: %v", routeErrors)
+	}
+
+	routerRunner := sync.WaitGroup{}
+
+	routerRunner.Go(func() {
+		router.Run(t.Context())
+	})
+	time.Sleep(time.Second * 1)
+
+	defer router.Stop()
+
+	mockModuleInputCount := 3
+	for i := range mockModuleInputCount {
+		aRouteFound, routingErrors := router.HandleInput(t.Context(), "mock", fmt.Sprintf("test %d", i))
+
+		if routingErrors != nil {
+			t.Fatalf("router should not have encountered routing errors")
+		}
+
+		if !aRouteFound {
+			t.Fatalf("router should have found a valid route for the input")
+		}
+	}
+
+	for _, moduleInstance := range router.ModuleInstances {
+		if moduleInstance.Id() == "mock" {
+			mockModuleInstance, ok := moduleInstance.(*MockModule)
+			if !ok {
+				t.Fatalf("couldn't get mock module")
+			}
+
+			if mockModuleInstance.outputCount != len(router.RouteInstances)*mockModuleInputCount {
+				t.Fatalf("mock module output count did not matched expected: %d got: %d", len(router.RouteInstances)*mockModuleInputCount, mockModuleInstance.outputCount)
+			}
+			break
+		}
+	}
+}
+
+func TestRouterInputMultipleModules(t *testing.T) {
+	routerConfig := config.Config{
+		Modules: []config.ModuleConfig{
+			{
+				Id:   "mock1",
+				Type: "mock.counter",
+			},
+			{
+				Id:   "mock2",
+				Type: "mock.counter",
+			},
+		},
+		Routes: []config.RouteConfig{
+			{
+				Input:  "mock1",
+				Output: "mock1",
+			},
+			{
+				Input:  "mock2",
+				Output: "mock2",
+			},
+		},
+	}
+
+	router, moduleErrors, routeErrors := showbridge.NewRouter(routerConfig)
+
+	if moduleErrors != nil {
+		t.Fatalf("router should not have returned any module errors: %v", moduleErrors)
+	}
+
+	if routeErrors != nil {
+		t.Fatalf("router should not have returned any route errors: %v", routeErrors)
+	}
+
+	routerRunner := sync.WaitGroup{}
+
+	routerRunner.Go(func() {
+		router.Run(t.Context())
+	})
+
+	time.Sleep(time.Second * 1)
+
+	defer router.Stop()
+
+	mock1ModuleInputCount := 3
+	for i := range mock1ModuleInputCount {
+		aRouteFound, routingErrors := router.HandleInput(t.Context(), "mock1", fmt.Sprintf("test %d", i))
+
+		if routingErrors != nil {
+			t.Fatalf("router should not have encountered routing errors")
+		}
+
+		if !aRouteFound {
+			t.Fatalf("router should have found a valid route for the input")
+		}
+	}
+
+	mock2ModuleInputCount := 2
+	for i := range mock2ModuleInputCount {
+		aRouteFound, routingErrors := router.HandleInput(t.Context(), "mock2", fmt.Sprintf("test %d", i))
+
+		if routingErrors != nil {
+			t.Fatalf("router should not have encountered routing errors")
+		}
+
+		if !aRouteFound {
+			t.Fatalf("router should have found a valid route for the input")
+		}
+	}
+
+	for _, moduleInstance := range router.ModuleInstances {
+		if moduleInstance.Id() == "mock1" {
+			mockModuleInstance, ok := moduleInstance.(*MockModule)
+			if !ok {
+				t.Fatalf("couldn't get mock module")
+			}
+
+			if mockModuleInstance.outputCount != mock1ModuleInputCount {
+				t.Fatalf("mock module output count did not matched expected: %d got: %d", mock1ModuleInputCount, mockModuleInstance.outputCount)
+			}
+			break
+		}
+		if moduleInstance.Id() == "mock2" {
+			mockModuleInstance, ok := moduleInstance.(*MockModule)
+			if !ok {
+				t.Fatalf("couldn't get mock module")
+			}
+
+			if mockModuleInstance.outputCount != mock2ModuleInputCount {
+				t.Fatalf("mock module output count did not matched expected: %d got: %d", mock2ModuleInputCount, mockModuleInstance.outputCount)
+			}
+			break
+		}
+	}
+}