Merge pull request #47 from jwetzell/fix/module-id-required

add check to prevent empty module Id

.dockerignore

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

.github/labeler.yml

@@ -1,10 +1,23 @@
-framing:
+config:
   - changed-files:
-      - any-glob-to-any-file: 'internal/framing/**'
+      - any-glob-to-any-file: 'internal/config/**'
 
-processing:
+framer:
   - changed-files:
-      - any-glob-to-any-file: 'internal/processing/**'
+      - any-glob-to-any-file: 'internal/framer/**'
+
+module:
+  - changed-files:
+      - any-glob-to-any-file: 'internal/module/**'
+
+processor:
+  - changed-files:
+      - any-glob-to-any-file: 'internal/processor/**'
+
+routing:
+  - changed-files:
+      - any-glob-to-any-file: 'internal/route/**'
+      - any-glob-to-any-file: 'router*'
 
 cli:
   - changed-files:

.github/release.yml

@@ -5,15 +5,25 @@ changelog:
     labels:
       - dependencies
   categories:
-    - title: Framing 🖼️
+    - title: Config ⚙️
       labels:
-        - framing
-    - title: Processing 🏭
+        - config
+    - title: Framer 🖼️
       labels:
-        - processing
+        - framer
+    - title: Module 📦
+      labels:
+        - module
+    - title: Processor 🏭
+      labels:
+        - processor
+    - title: Routing 🛣️
+      labels:
+        - router
+        - route
     - title: CLI ⌨️
       labels:
-        - cmd
+        - cli
     - title: Other Changes
       labels:
         - '*'

.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

@@ -0,0 +1,18 @@
+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+
+        {
+            "name": "Launch showbridge",
+            "type": "go",
+            "request": "launch",
+            "mode": "auto",
+            "program": "cmd/showbridge",
+            "args": ["--log-level", "debug"],
+            "cwd": "./"
+        }
+    ]
+}

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" ]

LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2025 Joel Wetzell
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

@@ -6,24 +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
-  - client (not included in pre-built binaries yet)
+- MIDI (not included in pre-built binaries yet)
+- Serial (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)
+  
+### 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/.goreleaser.yaml

@@ -14,6 +14,8 @@ builds:
     goarch:
       - "amd64"
       - "arm64"
+    ldflags:
+      - '-s -w -X main.version={{.RawVersion}}-{{.ShortCommit}}'
 
 archives:
   - formats: [tar.gz]

cmd/showbridge/main.go

@@ -2,49 +2,64 @@ 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"
 	"github.com/urfave/cli/v3"
 	"sigs.k8s.io/yaml"
 )
 
+var (
+	version = "dev"
+)
+
 func main() {
 	cmd := &cli.Command{
-		Name: "showbridge",
+		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 {
-			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
-		},
+		Action: run,
 	}
 
-	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)
 
@@ -54,19 +69,94 @@ func main() {
 
 }
 
-func readConfig(configPath string) (showbridge.Config, error) {
+func readConfig(configPath string) (config.Config, error) {
+	cfg := config.Config{}
+
 	configBytes, err := os.ReadFile(configPath)
 
 	if err != nil {
-		return showbridge.Config{}, err
+		return config.Config{}, err
 	}
 
-	config := showbridge.Config{}
-
-	err = yaml.Unmarshal(configBytes, &config)
+	err = yaml.Unmarshal(configBytes, &cfg)
 	if err != nil {
-		return showbridge.Config{}, err
+		return config.Config{}, err
 	}
 
-	return config, nil
+	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.go

@@ -1,6 +0,0 @@
-package showbridge
-
-type Config struct {
-	Modules []ModuleConfig `json:"modules"`
-	Routes  []RouteConfig  `json:"routes"`
-}

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 +1,64 @@
 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/expr-lang/expr v1.17.6
+	github.com/emiago/diago v0.25.0
+	github.com/emiago/sipgo v1.1.1
+	github.com/expr-lang/expr v1.17.7
+	github.com/extism/go-sdk v1.7.1
+	github.com/jwetzell/artnet-go v0.2.1
 	github.com/jwetzell/free-d-go v0.1.0
 	github.com/jwetzell/osc-go v0.1.0
-	github.com/jwetzell/psn-go v0.2.1
-	github.com/nats-io/nats.go v1.47.0
-	github.com/urfave/cli/v3 v3.6.1
-	gitlab.com/gomidi/midi/v2 v2.3.16
-	modernc.org/quickjs v0.17.0
+	github.com/jwetzell/psn-go v0.3.0
+	github.com/nats-io/nats.go v1.48.0
+	github.com/urfave/cli/v3 v3.6.2
+	gitlab.com/gomidi/midi/v2 v2.3.18
+	go.bug.st/serial v1.6.4
+	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
+	github.com/pion/rtp v1.8.26 // indirect
+	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 v0.17.0 // indirect
-	golang.org/x/sys v0.36.0 // indirect
-	modernc.org/libc v1.66.10 // indirect
-	modernc.org/libquickjs v0.12.2 // 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 v1.67.1 // indirect
+	modernc.org/libquickjs v0.12.3 // indirect
 	modernc.org/mathutil v1.7.1 // indirect
 	modernc.org/memory v1.11.0 // indirect
 )

go.sum

@@ -1,70 +1,131 @@
+github.com/creack/goselect v0.1.2 h1:2DNy14+JPjRBgPzAd1thbQp4BSIihxcBf0IXhQXDRa0=
+github.com/creack/goselect v0.1.2/go.mod h1:a/NhLweNvqIYMuxcMOuWY516Cimucms3DglDzQP3hKY=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/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/expr-lang/expr v1.17.6 h1:1h6i8ONk9cexhDmowO/A64VPxHScu7qfSl2k8OlINec=
-github.com/expr-lang/expr v1.17.6/go.mod h1:8/vRC7+7HBzESEqt5kKpYXxrxkr31SaO8r40VO/1IT4=
-github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
-github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
+github.com/emiago/diago v0.25.0 h1:YkjHahAMyIhvk5TKTMYoFJvsbNaJhyMBAiGggc97HDc=
+github.com/emiago/diago v0.25.0/go.mod h1:HQNLzmwucATviInW5OqpnpqFjtz2jAtxKKWx8Nh98wo=
+github.com/emiago/sipgo v1.1.1 h1:egwB7o9b3QpeTbqRFT9ECOYcWT/rw2UVTWA1qYG1HBs=
+github.com/emiago/sipgo v1.1.1/go.mod h1:DuwAxBZhKMqIzQFPGZb1MVAGU6Wuxj64oTOhd5dx/FY=
+github.com/expr-lang/expr v1.17.7 h1:Q0xY/e/2aCIp8g9s/LGvMDCC5PxYlvHgDZRQ4y16JX8=
+github.com/expr-lang/expr v1.17.7/go.mod h1:8/vRC7+7HBzESEqt5kKpYXxrxkr31SaO8r40VO/1IT4=
+github.com/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=
+github.com/gobwas/pool v0.2.1/go.mod h1:q8bcK0KcYlCgd9e7WYLm9LpyS+YeLd8JVDW6WezmKEw=
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+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 v0.17.0/go.mod h1:TE+wpAYX4V7Nvi/sHRUrd9l5L176ZIiS0as3MMObvC0=
+modernc.org/quickjs v0.17.1 h1:CbYnbTf7ksZk9YZ1rRM2Ab1Zfi+X6s50kXiOhpd2NIg=
+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=

http-client.go

@@ -1,72 +0,0 @@
-package showbridge
-
-import (
-	"fmt"
-	"log/slog"
-	"net/http"
-	"time"
-)
-
-type HTTPClient struct {
-	config ModuleConfig
-	router *Router
-	client *http.Client
-}
-
-func init() {
-	RegisterModule(ModuleRegistration{
-		Type: "net.http.client",
-		New: func(config ModuleConfig) (Module, error) {
-
-			return &HTTPClient{config: config}, nil
-		},
-	})
-}
-
-func (hc *HTTPClient) Id() string {
-	return hc.config.Id
-}
-
-func (hc *HTTPClient) Type() string {
-	return hc.config.Type
-}
-
-func (hc *HTTPClient) RegisterRouter(router *Router) {
-	hc.router = router
-}
-
-func (hc *HTTPClient) Run() error {
-
-	hc.client = &http.Client{
-		Timeout: 10 * time.Second,
-	}
-
-	<-hc.router.Context.Done()
-	slog.Debug("router context done in module", "id", hc.config.Id)
-	return nil
-}
-
-func (hc *HTTPClient) Output(payload any) error {
-
-	payloadRequest, ok := payload.(*http.Request)
-
-	if !ok {
-		return fmt.Errorf("net.http.client is only able to output an http.Request")
-	}
-
-	if hc.client == nil {
-		return fmt.Errorf("net.http.client client is nil")
-	}
-
-	response, err := hc.client.Do(payloadRequest)
-
-	if err != nil {
-		return err
-	}
-
-	if hc.router != nil {
-		hc.router.HandleInput(hc.config.Id, response)
-	}
-
-	return nil
-}

http-server.go

@@ -1,107 +0,0 @@
-package showbridge
-
-import (
-	"encoding/json"
-	"fmt"
-	"log/slog"
-	"net/http"
-)
-
-type HTTPServer struct {
-	config ModuleConfig
-	Port   uint16
-	router *Router
-}
-
-type ResponseData struct {
-	Message string `json:"message"`
-	Status  string `json:"status"`
-}
-
-func init() {
-	RegisterModule(ModuleRegistration{
-		Type: "net.http.server",
-		New: func(config ModuleConfig) (Module, error) {
-			params := config.Params
-			port, ok := params["port"]
-			if !ok {
-				return nil, fmt.Errorf("net.http.server requires a port parameter")
-			}
-
-			portNum, ok := port.(float64)
-
-			if !ok {
-				return nil, fmt.Errorf("net.http.server port must be uint16")
-			}
-
-			return &HTTPServer{Port: uint16(portNum), config: config}, nil
-		},
-	})
-}
-
-func (hs *HTTPServer) Id() string {
-	return hs.config.Id
-}
-
-func (hs *HTTPServer) Type() string {
-	return hs.config.Type
-}
-
-func (hs *HTTPServer) RegisterRouter(router *Router) {
-	hs.router = router
-}
-
-func (hs *HTTPServer) HandleDefault(w http.ResponseWriter, r *http.Request) {
-	w.Header().Set("Content-Type", "application/json")
-
-	response := ResponseData{
-		Message: "routing successful",
-		Status:  "ok",
-	}
-
-	if hs.router != nil {
-		routingErrors := hs.router.HandleInput(hs.config.Id, r)
-		if routingErrors != nil {
-			w.WriteHeader(http.StatusInternalServerError)
-			response.Status = "error"
-			response.Message = "routing failed"
-		} else {
-			w.WriteHeader(http.StatusOK)
-			response.Message = "routing successful"
-		}
-	} else {
-		w.WriteHeader(http.StatusInternalServerError)
-		response.Message = "no router registered"
-		response.Status = "error"
-	}
-
-	json.NewEncoder(w).Encode(response)
-}
-
-func (hs *HTTPServer) Run() error {
-	http.HandleFunc("/", hs.HandleDefault)
-
-	httpServer := &http.Server{
-		Addr:    fmt.Sprintf(":%d", hs.Port),
-		Handler: http.DefaultServeMux,
-	}
-
-	go func() {
-		<-hs.router.Context.Done()
-		slog.Debug("router context done in module", "id", hs.config.Id)
-		httpServer.Close()
-	}()
-
-	err := httpServer.ListenAndServe()
-	slog.Debug("net.http.server closed", "id", hs.config.Id)
-	if err != nil {
-		return err
-	}
-
-	<-hs.router.Context.Done()
-	return nil
-}
-
-func (hs *HTTPServer) Output(payload any) error {
-	return fmt.Errorf("net.http.server output is not implemented")
-}

internal/config/config.go

@@ -0,0 +1,23 @@
+package config
+
+type Config struct {
+	Modules []ModuleConfig `json:"modules"`
+	Routes  []RouteConfig  `json:"routes"`
+}
+
+type ModuleConfig struct {
+	Id     string         `json:"id"`
+	Type   string         `json:"type"`
+	Params map[string]any `json:"params"`
+}
+
+type RouteConfig struct {
+	Input      string            `json:"input"`
+	Processors []ProcessorConfig `json:"processors"`
+	Output     string            `json:"output"`
+}
+
+type ProcessorConfig struct {
+	Type   string         `json:"type"`
+	Params map[string]any `json:"params"`
+}

internal/framer/framer.go

@@ -0,0 +1,25 @@
+package framer
+
+type Framer interface {
+	Decode([]byte) [][]byte
+	Encode([]byte) []byte
+	Clear()
+	Buffer() []byte
+}
+
+func GetFramer(framingType string) Framer {
+	switch framingType {
+	case "CR":
+		return NewByteSeparatorFramer([]byte{'\r'})
+	case "LF":
+		return NewByteSeparatorFramer([]byte{'\n'})
+	case "CRLF":
+		return NewByteSeparatorFramer([]byte{'\r', '\n'})
+	case "SLIP":
+		return NewSlipFramer()
+	case "RAW":
+		return NewRawFramer()
+	default:
+		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.go

@@ -0,0 +1,23 @@
+package framer
+
+type RawFramer struct{}
+
+func NewRawFramer() *RawFramer {
+	return &RawFramer{}
+}
+
+func (rf *RawFramer) Decode(data []byte) [][]byte {
+	return [][]byte{data}
+}
+
+func (rf *RawFramer) Encode(data []byte) []byte {
+	return data
+}
+
+func (rf *RawFramer) Clear() {
+	// NOTE(jwetzell): no internal state to clear
+}
+
+func (rf *RawFramer) Buffer() []byte {
+	return []byte{}
+}

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.go

@@ -1,4 +1,4 @@
-package framing
+package framer
 
 import (
 	"bytes"
@@ -35,3 +35,7 @@ func (bsf *ByteSeparatorFramer) Encode(data []byte) []byte {
 func (bsf *ByteSeparatorFramer) Clear() {
 	bsf.buffer = []byte{}
 }
+
+func (bsf *ByteSeparatorFramer) Buffer() []byte {
+	return bsf.buffer
+}

internal/framer/separator_test.go

@@ -0,0 +1,130 @@
+package framer_test
+
+import (
+	"slices"
+	"testing"
+
+	"github.com/jwetzell/showbridge-go/internal/framer"
+)
+
+func TestGoodSeparatorFramerDecode(t *testing.T) {
+	tests := []struct {
+		name     string
+		framer   framer.Framer
+		input    []byte
+		expected [][]byte
+		buffer   []byte
+	}{
+		{
+			name:   "new line separator",
+			framer: framer.GetFramer("LF"),
+			input:  []byte("Hello\nWorld\nThis is a test\n"),
+			expected: [][]byte{
+				[]byte("Hello"),
+				[]byte("World"),
+				[]byte("This is a test"),
+			},
+			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.GetFramer("CRLF"),
+			input:  []byte("Hello\r\nWorld\r\nThis is a test\r\n"),
+			expected: [][]byte{
+				[]byte("Hello"),
+				[]byte("World"),
+				[]byte("This is a test"),
+			},
+			buffer: []byte{},
+		},
+		{
+			name:   "extra data after separator",
+			framer: framer.GetFramer("CRLF"),
+			input:  []byte("Hello\r\nWorld\r\nThis is a test\r\nextra"),
+			expected: [][]byte{
+				[]byte("Hello"),
+				[]byte("World"),
+				[]byte("This is a test"),
+			},
+			buffer: []byte("extra"),
+		},
+	}
+
+	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("separator 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("separator framer frame %d got %s, expected %s", i, frame, test.expected[i])
+				}
+			}
+			if !slices.Equal(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

@@ -1,4 +1,4 @@
-package framing
+package framer
 
 type SlipFramer struct {
 	buffer []byte
@@ -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)
 		}
@@ -74,3 +74,7 @@ func (sf *SlipFramer) Encode(data []byte) []byte {
 func (sf *SlipFramer) Clear() {
 	sf.buffer = []byte{}
 }
+
+func (sf *SlipFramer) Buffer() []byte {
+	return sf.buffer
+}

internal/framer/slip_test.go

@@ -0,0 +1,110 @@
+package framer_test
+
+import (
+	"slices"
+	"testing"
+
+	"github.com/jwetzell/showbridge-go/internal/framer"
+)
+
+func TestGoodSLIPFramerDecode(t *testing.T) {
+	tests := []struct {
+		name     string
+		framer   framer.Framer
+		input    []byte
+		expected [][]byte
+		buffer   []byte
+	}{
+		{
+			name:   "OSC SLIP messages",
+			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.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]) {
+					t.Errorf("SLIP framer frame %d got %s, expected %s", i, frame, test.expected[i])
+				}
+			}
+			if !slices.Equal(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/framing/framer.go

@@ -1,7 +0,0 @@
-package framing
-
-type Framer interface {
-	Decode([]byte) [][]byte
-	Encode([]byte) []byte
-	Clear()
-}

internal/module/http-client.go

@@ -0,0 +1,81 @@
+package module
+
+import (
+	"context"
+	"errors"
+	"log/slog"
+	"net/http"
+	"time"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/route"
+)
+
+type HTTPClient struct {
+	config config.ModuleConfig
+	ctx    context.Context
+	client *http.Client
+	router route.RouteIO
+	logger *slog.Logger
+}
+
+func init() {
+	RegisterModule(ModuleRegistration{
+		Type: "http.client",
+		New: func(config config.ModuleConfig) (Module, error) {
+
+			return &HTTPClient{config: config, logger: CreateLogger(config)}, nil
+		},
+	})
+}
+
+func (hc *HTTPClient) Id() string {
+	return hc.config.Id
+}
+
+func (hc *HTTPClient) Type() string {
+	return hc.config.Type
+}
+
+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()
+	hc.logger.Debug("done")
+	return nil
+}
+
+func (hc *HTTPClient) Output(ctx context.Context, payload any) error {
+
+	payloadRequest, ok := payload.(*http.Request)
+
+	if !ok {
+		return errors.New("http.client is only able to output an http.Request")
+	}
+
+	if hc.client == nil {
+		return errors.New("http.client client is nil")
+	}
+
+	response, err := hc.client.Do(payloadRequest)
+
+	if err != nil {
+		return err
+	}
+
+	if hc.router != nil {
+		hc.router.HandleInput(hc.ctx, hc.Id(), response)
+	}
+
+	return nil
+}

internal/module/http-server.go

@@ -0,0 +1,206 @@
+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"
+)
+
+type HTTPServer struct {
+	config config.ModuleConfig
+	Port   uint16
+	ctx    context.Context
+	router route.RouteIO
+	logger *slog.Logger
+}
+
+type ResponseIOError struct {
+	Index        int      `json:"index"`
+	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(config config.ModuleConfig) (Module, error) {
+			params := config.Params
+			port, ok := params["port"]
+			if !ok {
+				return nil, errors.New("http.server requires a port parameter")
+			}
+
+			portNum, ok := port.(float64)
+
+			if !ok {
+				return nil, errors.New("http.server port must be uint16")
+			}
+
+			return &HTTPServer{Port: uint16(portNum), config: config, logger: CreateLogger(config)}, nil
+		},
+	})
+}
+
+func (hs *HTTPServer) Id() string {
+	return hs.config.Id
+}
+
+func (hs *HTTPServer) Type() string {
+	return hs.config.Type
+}
+
+func (hs *HTTPServer) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+	responseWriter := HTTPServerResponseWriter{ResponseWriter: w}
+
+	response := IOResponseData{
+		Message: "routing successful",
+		Status:  "ok",
+	}
+	if hs.router != nil {
+		inputContext := context.WithValue(hs.ctx, httpServerContextKey("responseWriter"), &responseWriter)
+		aRouteFound, routingErrors := hs.router.HandleInput(inputContext, hs.Id(), r)
+		if !responseWriter.done {
+			if aRouteFound {
+				if routingErrors != nil {
+					w.WriteHeader(http.StatusInternalServerError)
+					response.Status = "error"
+					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
+	}
+}
+
+func (hs *HTTPServer) Run(ctx context.Context) error {
+	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: hs,
+	}
+
+	go func() {
+		<-hs.ctx.Done()
+		httpServer.Close()
+	}()
+
+	err := httpServer.ListenAndServe()
+	// TODO(jwetzell): handle server closed error differently
+	if err != nil {
+		if err.Error() != "http: Server closed" {
+			return err
+		}
+	}
+
+	<-hs.ctx.Done()
+	hs.logger.Debug("done")
+	return nil
+}
+
+func (hs *HTTPServer) Output(ctx context.Context, payload any) error {
+	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/midi-input.go

@@ -0,0 +1,90 @@
+//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 MIDIInput 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.input",
+		New: func(config config.ModuleConfig) (Module, error) {
+			params := config.Params
+			port, ok := params["port"]
+
+			if !ok {
+				return nil, errors.New("midi.input requires a port parameter")
+			}
+
+			portString, ok := port.(string)
+
+			if !ok {
+				return nil, errors.New("midi.input port must be a string")
+			}
+
+			return &MIDIInput{config: config, Port: portString, logger: CreateLogger(config)}, nil
+		},
+	})
+}
+
+func (mi *MIDIInput) Id() string {
+	return mi.config.Id
+}
+
+func (mi *MIDIInput) Type() string {
+	return mi.config.Type
+}
+
+func (mi *MIDIInput) Run(ctx context.Context) error {
+	defer midi.CloseDriver()
+	router, ok := ctx.Value(route.RouterContextKey).(route.RouteIO)
+
+	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", mi.Port)
+	}
+
+	stop, err := midi.ListenTo(in, func(msg midi.Message, timestampms int32) {
+		if mi.router != nil {
+			mi.router.HandleInput(mi.ctx, mi.Id(), msg)
+		}
+	}, midi.UseSysEx())
+
+	if err != nil {
+		return err
+	}
+
+	defer stop()
+
+	<-mi.ctx.Done()
+	mi.logger.Debug("done")
+	return nil
+}
+
+func (mi *MIDIInput) Output(ctx context.Context, payload any) error {
+	return errors.New("midi.input output is not implemented")
+}

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

@@ -1,33 +1,30 @@
-package showbridge
+package module
 
 import (
+	"context"
 	"fmt"
+	"log/slog"
 	"sync"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
 )
 
 type ModuleError struct {
 	Index  int
-	Config ModuleConfig
+	Config config.ModuleConfig
 	Error  error
 }
 
 type Module interface {
 	Id() string
 	Type() string
-	RegisterRouter(*Router)
-	Run() error
-	Output(any) error
-}
-
-type ModuleConfig struct {
-	Id     string         `json:"id"`
-	Type   string         `json:"type"`
-	Params map[string]any `json:"params"`
+	Run(context.Context) error
+	Output(context.Context, any) error
 }
 
 type ModuleRegistration struct {
 	Type string `json:"type"`
-	New  func(ModuleConfig) (Module, error)
+	New  func(config.ModuleConfig) (Module, error)
 }
 
 func RegisterModule(mod ModuleRegistration) {
@@ -42,13 +39,17 @@ func RegisterModule(mod ModuleRegistration) {
 	moduleRegistryMu.Lock()
 	defer moduleRegistryMu.Unlock()
 
-	if _, ok := moduleRegistry[string(mod.Type)]; ok {
+	if _, ok := ModuleRegistry[string(mod.Type)]; ok {
 		panic(fmt.Sprintf("module already registered: %s", mod.Type))
 	}
-	moduleRegistry[string(mod.Type)] = mod
+	ModuleRegistry[string(mod.Type)] = mod
 }
 
 var (
 	moduleRegistryMu sync.RWMutex
-	moduleRegistry   = make(map[string]ModuleRegistration)
+	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

@@ -0,0 +1,135 @@
+package module
+
+import (
+	"context"
+	"errors"
+	"log/slog"
+
+	mqtt "github.com/eclipse/paho.mqtt.golang"
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/route"
+)
+
+type MQTTClient struct {
+	config   config.ModuleConfig
+	ctx      context.Context
+	router   route.RouteIO
+	Broker   string
+	ClientID string
+	Topic    string
+	client   mqtt.Client
+	logger   *slog.Logger
+}
+
+func init() {
+	RegisterModule(ModuleRegistration{
+		Type: "mqtt.client",
+		New: func(config config.ModuleConfig) (Module, error) {
+			params := config.Params
+			broker, ok := params["broker"]
+
+			if !ok {
+				return nil, errors.New("mqtt.client requires a broker parameter")
+			}
+
+			brokerString, ok := broker.(string)
+
+			if !ok {
+				return nil, errors.New("mqtt.client broker must be string")
+			}
+
+			topic, ok := params["topic"]
+
+			if !ok {
+				return nil, errors.New("mqtt.client requires a topic parameter")
+			}
+
+			topicString, ok := topic.(string)
+
+			if !ok {
+				return nil, errors.New("mqtt.client topic must be string")
+			}
+
+			clientId, ok := params["clientId"]
+
+			if !ok {
+				return nil, errors.New("mqtt.client requires a clientId parameter")
+			}
+
+			clientIdString, ok := clientId.(string)
+
+			if !ok {
+				return nil, errors.New("mqtt.client clientId must be string")
+			}
+
+			return &MQTTClient{config: config, Broker: brokerString, Topic: topicString, ClientID: clientIdString, logger: CreateLogger(config)}, nil
+		},
+	})
+}
+
+func (mc *MQTTClient) Id() string {
+	return mc.config.Id
+}
+
+func (mc *MQTTClient) Type() string {
+	return mc.config.Type
+}
+
+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)
+	opts.SetAutoReconnect(true)
+	opts.SetCleanSession(false)
+
+	opts.OnConnect = func(c mqtt.Client) {
+		token := mc.client.Subscribe(mc.Topic, 1, func(c mqtt.Client, m mqtt.Message) {
+			mc.router.HandleInput(mc.ctx, mc.Id(), m)
+		})
+		token.Wait()
+	}
+
+	mc.client = mqtt.NewClient(opts)
+
+	token := mc.client.Connect()
+
+	token.Wait()
+	err := token.Error()
+	if err != nil {
+		return err
+	}
+
+	<-mc.ctx.Done()
+	mc.logger.Debug("done")
+	return nil
+}
+
+func (mc *MQTTClient) Output(ctx context.Context, payload any) error {
+	payloadMessage, ok := payload.(mqtt.Message)
+
+	if !ok {
+		return errors.New("mqtt.client is only able to output a MQTTMessage")
+	}
+
+	if mc.client == nil {
+		return errors.New("mqtt.client client is not setup")
+	}
+
+	if !mc.client.IsConnected() {
+		return errors.New("mqtt.client is not connected")
+	}
+
+	token := mc.client.Publish(payloadMessage.Topic(), payloadMessage.Qos(), payloadMessage.Retained(), payloadMessage.Payload())
+
+	token.Wait()
+
+	return token.Error()
+}

internal/module/nats-client.go

@@ -0,0 +1,123 @@
+package module
+
+import (
+	"context"
+	"errors"
+	"log/slog"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/processor"
+	"github.com/jwetzell/showbridge-go/internal/route"
+	"github.com/nats-io/nats.go"
+)
+
+type NATSClient struct {
+	config  config.ModuleConfig
+	ctx     context.Context
+	router  route.RouteIO
+	URL     string
+	Subject string
+	client  *nats.Conn
+	logger  *slog.Logger
+}
+
+func init() {
+	RegisterModule(ModuleRegistration{
+		Type: "nats.client",
+		New: func(config config.ModuleConfig) (Module, error) {
+			params := config.Params
+			url, ok := params["url"]
+
+			if !ok {
+				return nil, errors.New("nats.client requires a url parameter")
+			}
+
+			urlString, ok := url.(string)
+
+			if !ok {
+				return nil, errors.New("nats.client url must be string")
+			}
+
+			subject, ok := params["subject"]
+
+			if !ok {
+				return nil, errors.New("nats.client requires a subject parameter")
+			}
+
+			subjectString, ok := subject.(string)
+
+			if !ok {
+				return nil, errors.New("nats.client subject must be string")
+			}
+
+			return &NATSClient{config: config, URL: urlString, Subject: subjectString, logger: CreateLogger(config)}, nil
+		},
+	})
+}
+
+func (nc *NATSClient) Id() string {
+	return nc.config.Id
+}
+
+func (nc *NATSClient) Type() string {
+	return nc.config.Type
+}
+
+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 {
+		return err
+	}
+
+	nc.client = client
+
+	defer client.Drain()
+	defer client.Close()
+
+	sub, err := nc.client.Subscribe(nc.Subject, func(msg *nats.Msg) {
+		if nc.router != nil {
+			nc.router.HandleInput(nc.ctx, nc.Id(), msg)
+		}
+	})
+
+	if err != nil {
+		return err
+	}
+
+	defer sub.Unsubscribe()
+
+	<-nc.ctx.Done()
+	nc.logger.Debug("done")
+	return nil
+}
+
+func (nc *NATSClient) Output(ctx context.Context, payload any) error {
+
+	payloadMessage, ok := payload.(processor.NATSMessage)
+
+	if !ok {
+		return errors.New("nats.client is only able to output NATSMessage")
+	}
+
+	if nc.client == nil {
+		return errors.New("nats.client client is not setup")
+	}
+
+	if !nc.client.IsConnected() {
+		return errors.New("nats.client is not connected")
+	}
+
+	err := nc.client.Publish(payloadMessage.Subject, payloadMessage.Payload)
+
+	return err
+}

internal/module/psn-client.go

@@ -1,27 +1,33 @@
-package showbridge
+package module
 
 import (
+	"context"
+	"errors"
 	"fmt"
 	"log/slog"
 	"net"
 	"time"
 
 	"github.com/jwetzell/psn-go"
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/route"
 )
 
 type PSNClient struct {
-	config  ModuleConfig
+	config  config.ModuleConfig
 	conn    *net.UDPConn
-	router  *Router
+	ctx     context.Context
+	router  route.RouteIO
 	decoder *psn.Decoder
+	logger  *slog.Logger
 }
 
 func init() {
 	RegisterModule(ModuleRegistration{
-		Type: "net.psn.client",
-		New: func(config ModuleConfig) (Module, error) {
+		Type: "psn.client",
+		New: func(config config.ModuleConfig) (Module, error) {
 
-			return &PSNClient{config: config, decoder: psn.NewDecoder()}, nil
+			return &PSNClient{config: config, decoder: psn.NewDecoder(), logger: CreateLogger(config)}, nil
 		},
 	})
 }
@@ -34,11 +40,14 @@ func (pc *PSNClient) Type() string {
 	return pc.config.Type
 }
 
-func (pc *PSNClient) RegisterRouter(router *Router) {
-	pc.router = router
-}
+func (pc *PSNClient) Run(ctx context.Context) error {
+	router, ok := ctx.Value(route.RouterContextKey).(route.RouteIO)
 
-func (pc *PSNClient) Run() error {
+	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 {
@@ -56,9 +65,9 @@ func (pc *PSNClient) Run() error {
 	buffer := make([]byte, 2048)
 	for {
 		select {
-		case <-pc.router.Context.Done():
+		case <-pc.ctx.Done():
 			// TODO(jwetzell): cleanup?
-			slog.Debug("router context done in module", "id", pc.config.Id)
+			pc.logger.Debug("done")
 			return nil
 		default:
 			pc.conn.SetDeadline(time.Now().Add(time.Millisecond * 200))
@@ -76,21 +85,22 @@ func (pc *PSNClient) Run() error {
 				message := buffer[:numBytes]
 				err := pc.decoder.Decode(message)
 				if err != nil {
-					slog.Error("net.psn.client problem decoding psn traffic", "id", pc.config.Id, "error", err)
+					pc.logger.Error("problem decoding psn traffic", "error", err)
 				}
 
 				if pc.router != nil {
+					// TODO(jwetzell): better input handling
 					for _, tracker := range pc.decoder.Trackers {
-						pc.router.HandleInput(pc.config.Id, tracker)
+						pc.router.HandleInput(pc.ctx, pc.Id(), tracker)
 					}
 				} else {
-					slog.Error("net.psn.client has no router", "id", pc.config.Id)
+					pc.logger.Error("has no router")
 				}
 			}
 		}
 	}
 }
 
-func (pc *PSNClient) Output(payload any) error {
-	return fmt.Errorf("net.psn.client output is not implemented")
+func (pc *PSNClient) Output(ctx context.Context, payload any) error {
+	return fmt.Errorf("psn.client output is not implemented")
 }

internal/module/serial-client.go

@@ -0,0 +1,183 @@
+//go:build cgo
+
+package module
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"log/slog"
+	"time"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/framer"
+	"github.com/jwetzell/showbridge-go/internal/route"
+	"go.bug.st/serial"
+)
+
+type SerialClient struct {
+	config config.ModuleConfig
+	ctx    context.Context
+	router route.RouteIO
+	Port   string
+	Framer framer.Framer
+	Mode   *serial.Mode
+	port   serial.Port
+	logger *slog.Logger
+}
+
+func init() {
+	RegisterModule(ModuleRegistration{
+		Type: "serial.client",
+		New: func(config config.ModuleConfig) (Module, error) {
+			params := config.Params
+			port, ok := params["port"]
+
+			if !ok {
+				return nil, errors.New("serial.client requires a port parameter")
+			}
+
+			portString, ok := port.(string)
+
+			if !ok {
+				return nil, errors.New("serial.client port must be a string")
+			}
+
+			framingMethod := "RAW"
+
+			framingMethodRaw, ok := params["framing"]
+
+			if ok {
+				framingMethodString, ok := framingMethodRaw.(string)
+
+				if !ok {
+					return nil, errors.New("serial.client framing method must be a string")
+				}
+				framingMethod = framingMethodString
+			}
+
+			framer := framer.GetFramer(framingMethod)
+
+			if framer == nil {
+				return nil, fmt.Errorf("serial.client unknown framing method: %s", framingMethod)
+			}
+
+			buadRate, ok := params["baudRate"]
+			if !ok {
+				return nil, errors.New("serial.client requires a baudRate parameter")
+			}
+
+			baudRateNum, ok := buadRate.(float64)
+			if !ok {
+				return nil, errors.New("serial.client baudRate must be a number")
+			}
+
+			mode := serial.Mode{
+				BaudRate: int(baudRateNum),
+			}
+
+			return &SerialClient{config: config, Port: portString, Framer: framer, Mode: &mode, logger: CreateLogger(config)}, nil
+		},
+	})
+}
+
+func (sc *SerialClient) Id() string {
+	return sc.config.Id
+}
+
+func (sc *SerialClient) Type() string {
+	return sc.config.Type
+}
+
+func (sc *SerialClient) SetupPort() error {
+
+	port, err := serial.Open(sc.Port, sc.Mode)
+	if err != nil {
+		return fmt.Errorf("serial.client can't open input port: %s", sc.Port)
+	}
+
+	sc.port = port
+
+	return nil
+}
+
+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() {
+		<-sc.ctx.Done()
+		sc.logger.Debug("done")
+		if sc.port != nil {
+			sc.port.Close()
+		}
+	}()
+
+	for {
+		err := sc.SetupPort()
+		if err != nil {
+			if sc.ctx.Err() != nil {
+				sc.logger.Debug("done")
+				return nil
+			}
+			sc.logger.Error("port setup error", "error", err.Error())
+			time.Sleep(time.Second * 2)
+			continue
+		}
+
+		buffer := make([]byte, 1024)
+		select {
+		case <-sc.ctx.Done():
+			sc.logger.Debug("done")
+			return nil
+		default:
+		READ:
+			for {
+				select {
+				case <-sc.ctx.Done():
+					sc.logger.Debug("done")
+					return nil
+				default:
+					byteCount, err := sc.port.Read(buffer)
+
+					if err != nil {
+						sc.Framer.Clear()
+						break READ
+					}
+
+					if sc.Framer != nil {
+						if byteCount > 0 {
+							messages := sc.Framer.Decode(buffer[0:byteCount])
+							for _, message := range messages {
+								if sc.router != nil {
+									sc.router.HandleInput(sc.ctx, sc.Id(), message)
+								} else {
+									sc.logger.Error("input received but no router is configured")
+								}
+							}
+						}
+					}
+				}
+			}
+		}
+	}
+}
+
+func (sc *SerialClient) Output(ctx context.Context, payload any) error {
+
+	payloadBytes, ok := payload.([]byte)
+
+	if !ok {
+		return errors.New("serial.client can only ouptut bytes")
+	}
+
+	_, err := sc.port.Write(sc.Framer.Encode(payloadBytes))
+	return err
+}

internal/module/sip-call-server.go

@@ -0,0 +1,230 @@
+package module
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"io"
+	"log/slog"
+	"os"
+	"sync"
+	"time"
+
+	"github.com/emiago/diago"
+	"github.com/emiago/diago/media"
+	"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"
+)
+
+type SIPCallServer struct {
+	config    config.ModuleConfig
+	ctx       context.Context
+	router    route.RouteIO
+	IP        string
+	Port      int
+	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(config config.ModuleConfig) (Module, error) {
+			params := config.Params
+			portNum := 5060
+
+			port, ok := params["port"]
+			if ok {
+				specificPortNum, ok := port.(float64)
+
+				if !ok {
+					return nil, errors.New("sip.call.server port must be a number")
+				}
+				portNum = int(specificPortNum)
+			}
+
+			ipString := "0.0.0.0"
+
+			ip, ok := params["ip"]
+			if ok {
+
+				specificIpString, ok := ip.(string)
+
+				if !ok {
+					return nil, errors.New("sip.call.server ip must be a string")
+				}
+				ipString = specificIpString
+			}
+
+			transportString := "udp"
+
+			transport, ok := params["transport"]
+			if ok {
+
+				specificTransportString, ok := transport.(string)
+
+				if !ok {
+					return nil, errors.New("sip.call.server transport must be a string")
+				}
+				transportString = specificTransportString
+			}
+
+			userAgentString := "showbridge"
+
+			userAgent, ok := params["userAgent"]
+			if ok {
+
+				specificTransportString, ok := userAgent.(string)
+
+				if !ok {
+					return nil, errors.New("sip.call.server userAgent must be a string")
+				}
+				userAgentString = specificTransportString
+			}
+
+			return &SIPCallServer{config: config, IP: ipString, Port: int(portNum), Transport: transportString, UserAgent: userAgentString, logger: CreateLogger(config)}, nil
+		},
+	})
+}
+
+func (scs *SIPCallServer) Id() string {
+	return scs.config.Id
+}
+
+func (scs *SIPCallServer) Type() string {
+	return scs.config.Type
+}
+
+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(scs.UserAgent),
+		sipgo.WithUserAgentTransportLayerOptions(sip.WithTransportLayerLogger(diagoLogger)),
+		sipgo.WithUserAgentTransactionLayerOptions(sip.WithTransactionLayerLogger(diagoLogger)),
+	)
+	defer ua.Close()
+
+	sip.SetDefaultLogger(diagoLogger)
+	media.SetDefaultLogger(diagoLogger)
+	dg := diago.NewDiago(ua, diago.WithLogger(diagoLogger), diago.WithTransport(
+		diago.Transport{
+			Transport: scs.Transport,
+			BindHost:  scs.IP,
+			BindPort:  scs.Port,
+		},
+	))
+
+	go func() {
+		dg.Serve(scs.ctx, func(inDialog *diago.DialogServerSession) {
+			scs.HandleCall(inDialog)
+		})
+	}()
+
+	scs.dg = dg
+
+	<-scs.ctx.Done()
+	scs.logger.Debug("done")
+	return nil
+}
+
+func (scs *SIPCallServer) HandleCall(inDialog *diago.DialogServerSession) {
+	inDialog.Trying()
+	inDialog.Ringing()
+	inDialog.Answer()
+
+	dialogContext := context.WithValue(scs.ctx, sipCallContextKey("call"), &SIPCall{
+		inDialog: inDialog,
+	})
+	scs.router.HandleInput(dialogContext, scs.Id(), SIPCallMessage{
+		To: inDialog.ToUser(),
+	})
+}
+
+func (scs *SIPCallServer) Output(ctx context.Context, payload any) error {
+
+	call, ok := ctx.Value(sipCallContextKey("call")).(*SIPCall)
+
+	if !ok {
+		return errors.New("sip.call.server output must originate from sip.call.server input")
+	}
+
+	gotLock := call.lock.TryLock()
+
+	if !gotLock {
+		return errors.New("sip.call.server call is already locked")
+	}
+
+	if call.inDialog.LoadState() == sip.DialogStateEnded {
+		return errors.New("sip.call.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/sip-dtmf-server.go

@@ -0,0 +1,245 @@
+package module
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"io"
+	"log/slog"
+	"os"
+	"strings"
+	"sync"
+	"time"
+
+	"github.com/emiago/diago"
+	"github.com/emiago/diago/media"
+	"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"
+)
+
+type SIPDTMFServer struct {
+	config    config.ModuleConfig
+	ctx       context.Context
+	router    route.RouteIO
+	IP        string
+	Port      int
+	Transport string
+	Separator string
+	logger    *slog.Logger
+}
+
+type SIPDTMFMessage struct {
+	To     string
+	Digits string
+}
+
+type SIPDTMFCall struct {
+	inDialog *diago.DialogServerSession
+	lock     sync.Mutex
+}
+
+func init() {
+	RegisterModule(ModuleRegistration{
+		Type: "sip.dtmf.server",
+		New: func(config config.ModuleConfig) (Module, error) {
+			params := config.Params
+			portNum := 5060
+
+			port, ok := params["port"]
+			if ok {
+				specificPortNum, ok := port.(float64)
+
+				if !ok {
+					return nil, errors.New("sip.dtmf.server port must be a number")
+				}
+				portNum = int(specificPortNum)
+			}
+
+			ipString := "0.0.0.0"
+
+			ip, ok := params["ip"]
+			if ok {
+
+				specificIpString, ok := ip.(string)
+
+				if !ok {
+					return nil, errors.New("sip.dtmf.server ip must be a string")
+				}
+				ipString = specificIpString
+			}
+
+			transportString := "udp"
+
+			transport, ok := params["transport"]
+			if ok {
+
+				specificTransportString, ok := transport.(string)
+
+				if !ok {
+					return nil, errors.New("sip.dtmf.server transport must be a string")
+				}
+				transportString = specificTransportString
+			}
+
+			separator, ok := params["separator"]
+			if !ok {
+				return nil, errors.New("sip.dtmf.server requires a separator parameter")
+			}
+			separatorString, ok := separator.(string)
+			if !ok {
+				return nil, errors.New("sip.dtmf.server separator must be a string")
+			}
+
+			if len(separatorString) != 1 {
+				return nil, errors.New("sip.dtmf.server separator must be a single character")
+			}
+
+			if !strings.ContainsRune("0123456789*#ABCD", rune(separatorString[0])) {
+				return nil, errors.New("sip.dtmf.server separator must be a valid DTMF character")
+			}
+			return &SIPDTMFServer{config: config, IP: ipString, Port: int(portNum), Transport: transportString, Separator: separatorString, logger: CreateLogger(config)}, nil
+		},
+	})
+}
+
+func (sds *SIPDTMFServer) Id() string {
+	return sds.config.Id
+}
+
+func (sds *SIPDTMFServer) Type() string {
+	return sds.config.Type
+}
+
+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(
+		sipgo.WithUserAgentTransportLayerOptions(sip.WithTransportLayerLogger(diagoLogger)),
+		sipgo.WithUserAgentTransactionLayerOptions(sip.WithTransactionLayerLogger(diagoLogger)),
+	)
+	defer ua.Close()
+
+	sip.SetDefaultLogger(diagoLogger)
+	media.SetDefaultLogger(diagoLogger)
+	dg := diago.NewDiago(ua, diago.WithLogger(diagoLogger), diago.WithTransport(
+		diago.Transport{
+			Transport: sds.Transport,
+			BindHost:  sds.IP,
+			BindPort:  sds.Port,
+		},
+	))
+
+	err := dg.Serve(sds.ctx, func(inDialog *diago.DialogServerSession) {
+		sds.HandleCall(inDialog)
+	})
+
+	if err != nil {
+		return err
+	}
+
+	<-sds.ctx.Done()
+	sds.logger.Debug("done")
+	return nil
+}
+
+func (sds *SIPDTMFServer) HandleCall(inDialog *diago.DialogServerSession) error {
+	inDialog.Trying()
+	inDialog.Ringing()
+	inDialog.Answer()
+
+	reader := inDialog.AudioReaderDTMF()
+	userString := ""
+
+	return reader.Listen(func(dtmf rune) error {
+		if dtmf == rune(sds.Separator[0]) {
+			if sds.router != nil {
+				dialogContext := context.WithValue(sds.ctx, sipCallContextKey("call"), &SIPDTMFCall{
+					inDialog: inDialog,
+				})
+				sds.router.HandleInput(dialogContext, sds.Id(), SIPDTMFMessage{
+					To:     inDialog.ToUser(),
+					Digits: userString,
+				})
+			}
+			userString = ""
+		} else {
+			userString += string(dtmf)
+		}
+		return nil
+	}, 5*time.Second)
+}
+
+func (sds *SIPDTMFServer) Output(ctx context.Context, payload any) error {
+	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

@@ -0,0 +1,179 @@
+package module
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"log/slog"
+	"net"
+	"time"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/framer"
+	"github.com/jwetzell/showbridge-go/internal/route"
+)
+
+type TCPClient struct {
+	config config.ModuleConfig
+	framer framer.Framer
+	conn   *net.TCPConn
+	ctx    context.Context
+	router route.RouteIO
+	Addr   *net.TCPAddr
+	logger *slog.Logger
+}
+
+func init() {
+	RegisterModule(ModuleRegistration{
+		Type: "net.tcp.client",
+		New: func(config config.ModuleConfig) (Module, error) {
+			params := config.Params
+			host, ok := params["host"]
+
+			if !ok {
+				return nil, errors.New("net.tcp.client requires a host parameter")
+			}
+
+			hostString, ok := host.(string)
+
+			if !ok {
+				return nil, errors.New("net.tcp.client host must be string")
+			}
+
+			port, ok := params["port"]
+			if !ok {
+				return nil, errors.New("net.tcp.client requires a port parameter")
+			}
+
+			portNum, ok := port.(float64)
+
+			if !ok {
+				return nil, errors.New("net.tcp.client port must be a number")
+			}
+
+			addr, err := net.ResolveTCPAddr("tcp", fmt.Sprintf("%s:%d", hostString, uint16(portNum)))
+			if err != nil {
+				return nil, err
+			}
+
+			framingMethod := "RAW"
+
+			framingMethodRaw, ok := params["framing"]
+
+			if ok {
+				framingMethodString, ok := framingMethodRaw.(string)
+
+				if !ok {
+					return nil, errors.New("net.tcp.client framing method must be a string")
+				}
+				framingMethod = framingMethodString
+			}
+
+			framer := framer.GetFramer(framingMethod)
+
+			if framer == nil {
+				return nil, fmt.Errorf("net.tcp.client unknown framing method: %s", framingMethod)
+			}
+			return &TCPClient{framer: framer, Addr: addr, config: config, logger: CreateLogger(config)}, nil
+		},
+	})
+}
+
+func (tc *TCPClient) Id() string {
+	return tc.config.Id
+}
+
+func (tc *TCPClient) Type() string {
+	return tc.config.Type
+}
+
+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()
+		tc.logger.Debug("done")
+		if tc.conn != nil {
+			tc.conn.Close()
+		}
+	}()
+
+	for {
+		err := tc.SetupConn()
+		if err != nil {
+			if tc.ctx.Err() != nil {
+				tc.logger.Debug("done")
+				return nil
+			}
+			tc.logger.Error("connection error", "error", err.Error())
+			time.Sleep(time.Second * 2)
+			continue
+		}
+
+		buffer := make([]byte, 1024)
+		select {
+		case <-tc.ctx.Done():
+			tc.logger.Debug("done")
+			return nil
+		default:
+		READ:
+			for {
+				select {
+				case <-tc.ctx.Done():
+					tc.logger.Debug("done")
+					return nil
+				default:
+					byteCount, err := tc.conn.Read(buffer)
+
+					if err != nil {
+						tc.framer.Clear()
+						break READ
+					}
+
+					if tc.framer != nil {
+						if byteCount > 0 {
+							messages := tc.framer.Decode(buffer[0:byteCount])
+							for _, message := range messages {
+								if tc.router != nil {
+									tc.router.HandleInput(tc.ctx, tc.Id(), message)
+								} else {
+									tc.logger.Error("input received but no router is configured")
+								}
+							}
+						}
+					}
+				}
+			}
+		}
+	}
+}
+
+func (tc *TCPClient) SetupConn() error {
+	client, err := net.DialTCP("tcp", nil, tc.Addr)
+	tc.conn = client
+	return err
+}
+
+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()
+		if err != nil {
+			return err
+		}
+	}
+	payloadBytes, ok := payload.([]byte)
+	if !ok {
+		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

@@ -0,0 +1,229 @@
+package module
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"log/slog"
+	"net"
+	"slices"
+	"sync"
+	"syscall"
+	"time"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/framer"
+	"github.com/jwetzell/showbridge-go/internal/route"
+)
+
+type TCPServer struct {
+	config        config.ModuleConfig
+	Addr          *net.TCPAddr
+	Framer        framer.Framer
+	ctx           context.Context
+	router        route.RouteIO
+	quit          chan interface{}
+	wg            sync.WaitGroup
+	connections   []*net.TCPConn
+	connectionsMu sync.RWMutex
+	logger        *slog.Logger
+}
+
+func init() {
+	RegisterModule(ModuleRegistration{
+		Type: "net.tcp.server",
+		New: func(config config.ModuleConfig) (Module, error) {
+			params := config.Params
+			port, ok := params["port"]
+			if !ok {
+				return nil, errors.New("net.tcp.server requires a port parameter")
+			}
+
+			portNum, ok := port.(float64)
+
+			if !ok {
+				return nil, errors.New("net.tcp.server port must be a number")
+			}
+
+			framingMethod := "RAW"
+
+			framingMethodRaw, ok := params["framing"]
+
+			if ok {
+				framingMethodString, ok := framingMethodRaw.(string)
+
+				if !ok {
+					return nil, errors.New("net.tcp.server framing method must be a string")
+				}
+				framingMethod = framingMethodString
+			}
+
+			framer := framer.GetFramer(framingMethod)
+
+			if framer == nil {
+				return nil, fmt.Errorf("net.tcp.server unknown framing method: %s", framingMethod)
+			}
+
+			ipString := "0.0.0.0"
+
+			ip, ok := params["ip"]
+			if ok {
+
+				specificIpString, ok := ip.(string)
+
+				if !ok {
+					return nil, errors.New("net.tcp.server ip must be a string")
+				}
+				ipString = specificIpString
+			}
+
+			addr, err := net.ResolveTCPAddr("tcp", fmt.Sprintf("%s:%d", ipString, uint16(portNum)))
+			if err != nil {
+				return nil, err
+			}
+			return &TCPServer{Framer: framer, Addr: addr, config: config, quit: make(chan interface{}), logger: CreateLogger(config)}, nil
+		},
+	})
+}
+
+func (ts *TCPServer) Id() string {
+	return ts.config.Id
+}
+
+func (ts *TCPServer) Type() string {
+	return ts.config.Type
+}
+
+func (ts *TCPServer) handleClient(client *net.TCPConn) {
+	ts.connectionsMu.Lock()
+	ts.connections = append(ts.connections, client)
+	ts.connectionsMu.Unlock()
+	ts.logger.Debug("net.tcp.server connection accepted", "remoteAddr", client.RemoteAddr().String())
+	defer client.Close()
+
+	buffer := make([]byte, 1024)
+ClientRead:
+	for {
+		select {
+		case <-ts.quit:
+			return
+		default:
+			client.SetDeadline(time.Now().Add(time.Millisecond * 200))
+			byteCount, err := client.Read(buffer)
+
+			if err != nil {
+				if opErr, ok := err.(*net.OpError); ok {
+					//NOTE(jwetzell) we hit deadline
+					if opErr.Timeout() {
+						continue ClientRead
+					}
+					if errors.Is(opErr, syscall.ECONNRESET) {
+						ts.connectionsMu.Lock()
+						for i := 0; i < len(ts.connections); i++ {
+							if ts.connections[i] == client {
+								ts.connections = slices.Delete(ts.connections, i, i+1)
+								break
+							}
+						}
+						ts.logger.Debug("connection reset", "remoteAddr", client.RemoteAddr().String())
+						ts.connectionsMu.Unlock()
+					}
+				}
+
+				if err.Error() == "EOF" {
+					ts.connectionsMu.Lock()
+					for i := 0; i < len(ts.connections); i++ {
+						if ts.connections[i] == client {
+							ts.connections = slices.Delete(ts.connections, i, i+1)
+							break
+						}
+					}
+					ts.logger.Debug("stream ended", "remoteAddr", client.RemoteAddr().String())
+					ts.connectionsMu.Unlock()
+				}
+				return
+			}
+			if ts.Framer != nil {
+				if byteCount > 0 {
+					messages := ts.Framer.Decode(buffer[0:byteCount])
+					for _, message := range messages {
+						if ts.router != nil {
+							ts.router.HandleInput(ts.ctx, ts.Id(), message)
+						} else {
+							ts.logger.Error("input received but no router is configured")
+						}
+					}
+				}
+			}
+		}
+	}
+}
+
+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
+	}
+	ts.wg.Add(1)
+
+	go func() {
+		<-ts.ctx.Done()
+		close(ts.quit)
+		listener.Close()
+		ts.logger.Debug("done")
+	}()
+
+AcceptLoop:
+	for {
+		conn, err := listener.AcceptTCP()
+		if err != nil {
+			select {
+			case <-ts.quit:
+				break AcceptLoop
+			default:
+				ts.logger.Debug("problem with listener", "error", err)
+			}
+		} else {
+			ts.wg.Add(1)
+			go func() {
+				ts.handleClient(conn)
+				ts.wg.Done()
+			}()
+		}
+	}
+	ts.wg.Done()
+	ts.wg.Wait()
+	return nil
+}
+
+func (ts *TCPServer) Output(ctx context.Context, payload any) error {
+	payloadBytes, ok := payload.([]byte)
+
+	if !ok {
+		return errors.New("net.tcp.server is only able to output bytes")
+	}
+	ts.connectionsMu.Lock()
+	errorString := ""
+
+	for _, connection := range ts.connections {
+		_, err := connection.Write(payloadBytes)
+		if err != nil {
+			errorString += fmt.Sprintf("%s\n", err.Error())
+		}
+	}
+	ts.connectionsMu.Unlock()
+
+	if errorString == "" {
+		return nil
+	}
+	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

@@ -0,0 +1,81 @@
+package module
+
+import (
+	"context"
+	"errors"
+	"log/slog"
+	"time"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/route"
+)
+
+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: "time.timer",
+		New: func(config config.ModuleConfig) (Module, error) {
+			params := config.Params
+
+			duration, ok := params["duration"]
+			if !ok {
+				return nil, errors.New("time.timer requires a duration parameter")
+			}
+
+			durationNum, ok := duration.(float64)
+
+			if !ok {
+				return nil, errors.New("time.timer duration must be a number")
+			}
+
+			return &TimeTimer{Duration: uint32(durationNum), config: config, logger: CreateLogger(config)}, nil
+		},
+	})
+}
+
+func (t *TimeTimer) Id() string {
+	return t.config.Id
+}
+
+func (t *TimeTimer) Type() string {
+	return t.config.Type
+}
+
+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()
+			t.logger.Debug("done")
+			return nil
+		case time := <-t.timer.C:
+			if t.router != nil {
+				t.router.HandleInput(t.ctx, t.Id(), time)
+			}
+		}
+	}
+}
+
+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

@@ -0,0 +1,114 @@
+package module
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"log/slog"
+	"net"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/route"
+)
+
+type UDPClient struct {
+	config config.ModuleConfig
+	Addr   *net.UDPAddr
+	Port   uint16
+	conn   *net.UDPConn
+	ctx    context.Context
+	router route.RouteIO
+	logger *slog.Logger
+}
+
+func init() {
+	RegisterModule(ModuleRegistration{
+		Type: "net.udp.client",
+		New: func(config config.ModuleConfig) (Module, error) {
+			params := config.Params
+			host, ok := params["host"]
+
+			if !ok {
+				return nil, errors.New("net.udp.client requires a host parameter")
+			}
+
+			hostString, ok := host.(string)
+
+			if !ok {
+				return nil, errors.New("net.udp.client host must be a string")
+			}
+
+			port, ok := params["port"]
+			if !ok {
+				return nil, errors.New("net.udp.client requires a port parameter")
+			}
+
+			portNum, ok := port.(float64)
+
+			if !ok {
+				return nil, errors.New("net.udp.client port must be a number")
+			}
+
+			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
+		},
+	})
+}
+
+func (uc *UDPClient) Id() string {
+	return uc.config.Id
+}
+
+func (uc *UDPClient) Type() string {
+	return uc.config.Type
+}
+
+func (uc *UDPClient) SetupConn() error {
+	client, err := net.DialUDP("udp", nil, uc.Addr)
+	uc.conn = client
+	return err
+}
+
+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 {
+		return err
+	}
+
+	<-uc.ctx.Done()
+	uc.logger.Debug("done")
+	if uc.conn != nil {
+		uc.conn.Close()
+	}
+	return nil
+}
+
+func (uc *UDPClient) Output(ctx context.Context, payload any) error {
+
+	payloadBytes, ok := payload.([]byte)
+	if !ok {
+		return errors.New("net.udp.client is only able to output bytes")
+	}
+	if uc.conn != nil {
+		_, err := uc.conn.Write(payloadBytes)
+
+		if err != nil {
+			return err
+		}
+	} else {
+		return errors.New("net.udp.client client is not setup")
+	}
+	return nil
+}

internal/module/udp-multicast.go

@@ -0,0 +1,132 @@
+package module
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"log/slog"
+	"net"
+	"time"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/route"
+)
+
+type UDPMulticast struct {
+	config config.ModuleConfig
+	conn   *net.UDPConn
+	ctx    context.Context
+	router route.RouteIO
+	Addr   *net.UDPAddr
+	logger *slog.Logger
+}
+
+func init() {
+	RegisterModule(ModuleRegistration{
+		Type: "net.udp.multicast",
+		New: func(config config.ModuleConfig) (Module, error) {
+			params := config.Params
+			ip, ok := params["ip"]
+
+			if !ok {
+				return nil, errors.New("net.udp.multicast requires an ip parameter")
+			}
+
+			ipString, ok := ip.(string)
+
+			if !ok {
+				return nil, errors.New("net.udp.multicast ip must be a string")
+			}
+
+			port, ok := params["port"]
+			if !ok {
+				return nil, errors.New("net.udp.multicast requires a port parameter")
+			}
+
+			portNum, ok := port.(float64)
+
+			if !ok {
+				return nil, errors.New("net.udp.multicast port must be a number")
+			}
+
+			addr, err := net.ResolveUDPAddr("udp", fmt.Sprintf("%s:%d", ipString, uint16(portNum)))
+			if err != nil {
+				return nil, err
+			}
+			return &UDPMulticast{config: config, Addr: addr, logger: CreateLogger(config)}, nil
+		},
+	})
+}
+
+func (um *UDPMulticast) Id() string {
+	return um.config.Id
+}
+
+func (um *UDPMulticast) Type() string {
+	return um.config.Type
+}
+
+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 {
+		return err
+	}
+	defer client.Close()
+
+	um.conn = client
+
+	buffer := make([]byte, 2048)
+	for {
+		select {
+		case <-um.ctx.Done():
+			// TODO(jwetzell): cleanup?
+			um.logger.Debug("done")
+			return nil
+		default:
+			um.conn.SetDeadline(time.Now().Add(time.Millisecond * 200))
+
+			numBytes, _, err := um.conn.ReadFromUDP(buffer)
+			if err != nil {
+				//NOTE(jwetzell) we hit deadline
+				if opErr, ok := err.(*net.OpError); ok && opErr.Timeout() {
+					continue
+				}
+				return err
+			}
+
+			if numBytes > 0 {
+				message := buffer[:numBytes]
+
+				if um.router != nil {
+					um.router.HandleInput(um.ctx, um.Id(), message)
+				} else {
+					um.logger.Error("input received but no router is configured")
+				}
+			}
+		}
+	}
+}
+
+func (um *UDPMulticast) Output(ctx context.Context, payload any) error {
+
+	payloadBytes, ok := payload.([]byte)
+	if !ok {
+		return errors.New("net.udp.multicast can only output bytes")
+	}
+
+	if um.conn == nil {
+		return errors.New("net.udp.multicast connection is not setup")
+	}
+
+	_, err := um.conn.Write(payloadBytes)
+	return err
+}

internal/module/udp-server.go

@@ -0,0 +1,131 @@
+package module
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"log"
+	"log/slog"
+	"net"
+	"time"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/route"
+)
+
+type UDPServer struct {
+	Addr       *net.UDPAddr
+	BufferSize int
+	config     config.ModuleConfig
+	ctx        context.Context
+	router     route.RouteIO
+	logger     *slog.Logger
+}
+
+func init() {
+	RegisterModule(ModuleRegistration{
+		Type: "net.udp.server",
+		New: func(config config.ModuleConfig) (Module, error) {
+			params := config.Params
+			port, ok := params["port"]
+			if !ok {
+				return nil, errors.New("net.udp.server requires a port parameter")
+			}
+
+			portNum, ok := port.(float64)
+
+			if !ok {
+				return nil, errors.New("net.udp.server port must be a number")
+			}
+
+			ipString := "0.0.0.0"
+
+			ip, ok := params["ip"]
+			if ok {
+
+				specificIpString, ok := ip.(string)
+
+				if !ok {
+					return nil, errors.New("net.udp.server ip must be a string")
+				}
+				ipString = specificIpString
+			}
+
+			addr, err := net.ResolveUDPAddr("udp", fmt.Sprintf("%s:%d", ipString, uint16(portNum)))
+			if err != nil {
+				log.Fatalf("error resolving UDP address: %v", err)
+			}
+
+			bufferSizeNum := 2048
+			bufferSize, ok := params["bufferSize"]
+
+			if ok {
+				bufferSizeFloat, ok := bufferSize.(float64)
+
+				if !ok {
+					return nil, errors.New("net.udp.server bufferSize must be a number")
+				}
+				bufferSizeNum = int(bufferSizeFloat)
+			}
+			return &UDPServer{Addr: addr, BufferSize: bufferSizeNum, config: config, logger: CreateLogger(config)}, nil
+		},
+	})
+}
+
+func (us *UDPServer) Id() string {
+	return us.config.Id
+}
+
+func (us *UDPServer) Type() string {
+	return us.config.Id
+}
+
+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 {
+		return err
+	}
+
+	defer listener.Close()
+
+	buffer := make([]byte, us.BufferSize)
+	for {
+		select {
+		case <-us.ctx.Done():
+			// TODO(jwetzell): cleanup?
+			us.logger.Debug("done")
+			return nil
+		default:
+			listener.SetDeadline(time.Now().Add(time.Millisecond * 200))
+
+			numBytes, _, err := listener.ReadFromUDP(buffer)
+			if err != nil {
+				//NOTE(jwetzell) we hit deadline
+				if opErr, ok := err.(*net.OpError); ok && opErr.Timeout() {
+					continue
+				}
+				return err
+			}
+			message := buffer[:numBytes]
+			if us.router != nil {
+				us.router.HandleInput(us.ctx, us.Id(), message)
+			} else {
+				us.logger.Error("input received but no router is configured")
+			}
+		}
+	}
+
+}
+
+func (us *UDPServer) Output(ctx context.Context, payload any) error {
+	return errors.New("net.udp.server output is not implemented")
+}

internal/processing/debug-log.go

@@ -1,29 +0,0 @@
-package processing
-
-import (
-	"context"
-	"fmt"
-	"log/slog"
-)
-
-type DebugLog struct {
-	config ProcessorConfig
-}
-
-func (dl *DebugLog) Process(ctx context.Context, payload any) (any, error) {
-	slog.Debug("debug.log", "payload", payload, "payloadType", fmt.Sprintf("%T", payload))
-	return payload, nil
-}
-
-func (dl *DebugLog) Type() string {
-	return dl.config.Type
-}
-
-func init() {
-	RegisterProcessor(ProcessorRegistration{
-		Type: "debug.log",
-		New: func(config ProcessorConfig) (Processor, error) {
-			return &DebugLog{config: config}, nil
-		},
-	})
-}

internal/processing/float-parse.go

@@ -1,39 +0,0 @@
-package processing
-
-import (
-	"context"
-	"fmt"
-	"strconv"
-)
-
-type FloatParse struct {
-	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")
-	}
-
-	// TODO(jwetzell): make bitSize configurable
-	payloadFloat, err := strconv.ParseFloat(payloadString, 64)
-	if err != nil {
-		return nil, err
-	}
-	return payloadFloat, nil
-}
-
-func (fp *FloatParse) Type() string {
-	return fp.config.Type
-}
-
-func init() {
-	RegisterProcessor(ProcessorRegistration{
-		Type: "float.parse",
-		New: func(config ProcessorConfig) (Processor, error) {
-			return &FloatParse{config: config}, nil
-		},
-	})
-}

internal/processing/int-parse.go

@@ -1,39 +0,0 @@
-package processing
-
-import (
-	"context"
-	"fmt"
-	"strconv"
-)
-
-type IntParse struct {
-	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")
-	}
-
-	// TODO(jwetzell): make base and bitSize configurable
-	payloadInt, err := strconv.ParseInt(payloadString, 10, 64)
-	if err != nil {
-		return nil, err
-	}
-	return payloadInt, nil
-}
-
-func (ip *IntParse) Type() string {
-	return ip.config.Type
-}
-
-func init() {
-	RegisterProcessor(ProcessorRegistration{
-		Type: "int.parse",
-		New: func(config ProcessorConfig) (Processor, error) {
-			return &IntParse{config: config}, nil
-		},
-	})
-}

internal/processing/mqtt-message-create.go

@@ -1,90 +0,0 @@
-package processing
-
-import (
-	"context"
-	"fmt"
-)
-
-type MQTTMessage struct {
-	Topic    string
-	QoS      byte
-	Payload  any
-	Retained bool
-}
-
-type MQTTMessageCreate struct {
-	config   ProcessorConfig
-	Topic    string
-	QoS      byte
-	Retained bool
-	Payload  any
-}
-
-func (mmc *MQTTMessageCreate) Process(ctx context.Context, payload any) (any, error) {
-
-	message := MQTTMessage{
-		Topic:    mmc.Topic,
-		QoS:      mmc.QoS,
-		Retained: mmc.Retained,
-		Payload:  mmc.Payload,
-	}
-
-	return message, nil
-}
-
-func (mmc *MQTTMessageCreate) Type() string {
-	return mmc.config.Type
-}
-
-func init() {
-	RegisterProcessor(ProcessorRegistration{
-		Type: "mqtt.message.create",
-		New: func(config ProcessorConfig) (Processor, error) {
-			params := config.Params
-			topic, ok := params["topic"]
-
-			if !ok {
-				return nil, fmt.Errorf("mqtt.message.create requires an topic parameter")
-			}
-
-			topicString, ok := topic.(string)
-
-			if !ok {
-				return nil, fmt.Errorf("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")
-			}
-
-			qosByte, ok := qos.(float64)
-
-			if !ok {
-				return nil, fmt.Errorf("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")
-			}
-
-			retainedBool, ok := retained.(bool)
-
-			if !ok {
-				return nil, fmt.Errorf("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 &MQTTMessageCreate{config: config, Topic: topicString, QoS: byte(qosByte), Retained: retainedBool, Payload: payload}, nil
-		},
-	})
-}

internal/processing/osc-message-encode.go

@@ -1,36 +0,0 @@
-package processing
-
-import (
-	"context"
-	"fmt"
-
-	osc "github.com/jwetzell/osc-go"
-)
-
-type OSCMessageEncode struct {
-	config ProcessorConfig
-}
-
-func (o *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")
-	}
-
-	bytes := payloadMessage.ToBytes()
-	return bytes, nil
-}
-
-func (o *OSCMessageEncode) Type() string {
-	return o.config.Type
-}
-
-func init() {
-	RegisterProcessor(ProcessorRegistration{
-		Type: "osc.message.encode",
-		New: func(config ProcessorConfig) (Processor, error) {
-			return &OSCMessageEncode{config: config}, nil
-		},
-	})
-}

internal/processing/string-decode_test.go

@@ -1,41 +0,0 @@
-package processing_test
-
-import (
-	"testing"
-
-	"github.com/jwetzell/showbridge-go/internal/processing"
-)
-
-func TestGoodStringDecode(t *testing.T) {
-	stringDecoder := processing.StringDecode{}
-	tests := []struct {
-		processor processing.Processor
-		name      string
-		payload   any
-		expected  string
-	}{
-		{
-			processor: &stringDecoder,
-			name:      "hello",
-			payload:   []byte{0x68, 0x65, 0x6c, 0x6c, 0x6f},
-			expected:  "hello",
-		},
-	}
-
-	for _, test := range tests {
-		t.Run(test.name, func(t *testing.T) {
-			got, err := test.processor.Process(t.Context(), test.payload)
-
-			gotString, ok := got.(string)
-			if !ok {
-				t.Errorf("string.decode returned a %T payload: %s", got, got)
-			}
-			if err != nil {
-				t.Errorf("string.decode failed: %s", err)
-			}
-			if gotString != test.expected {
-				t.Errorf("string.decode got %s, expected %s", got, test.expected)
-			}
-		})
-	}
-}

internal/processing/string-encode_test.go

@@ -1,42 +0,0 @@
-package processing_test
-
-import (
-	"slices"
-	"testing"
-
-	"github.com/jwetzell/showbridge-go/internal/processing"
-)
-
-func TestGoodStringEncode(t *testing.T) {
-	stringEncoder := processing.StringEncode{}
-	tests := []struct {
-		processor processing.Processor
-		name      string
-		payload   any
-		expected  []byte
-	}{
-		{
-			processor: &stringEncoder,
-			name:      "hello",
-			payload:   "hello",
-			expected:  []byte{0x68, 0x65, 0x6c, 0x6c, 0x6f},
-		},
-	}
-
-	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.Errorf("string.encode returned a %T payload: %s", got, got)
-			}
-			if err != nil {
-				t.Errorf("string.encode failed: %s", err)
-			}
-			if !slices.Equal(gotBytes, test.expected) {
-				t.Errorf("string.encode got %s, expected %s", got, test.expected)
-			}
-		})
-	}
-}

internal/processing/string-filter.go

@@ -1,59 +0,0 @@
-package processing
-
-import (
-	"context"
-	"fmt"
-	"regexp"
-)
-
-type StringFilter struct {
-	config  ProcessorConfig
-	Pattern *regexp.Regexp
-}
-
-func (se *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")
-	}
-
-	if !se.Pattern.MatchString(payloadString) {
-		return nil, nil
-	}
-
-	return payloadString, nil
-}
-
-func (se *StringFilter) Type() string {
-	return se.config.Type
-}
-
-func init() {
-	RegisterProcessor(ProcessorRegistration{
-		Type: "string.filter",
-		New: func(config ProcessorConfig) (Processor, error) {
-			params := config.Params
-
-			pattern, ok := params["pattern"]
-
-			if !ok {
-				return nil, fmt.Errorf("http.request.filter requires an pattern parameter")
-			}
-
-			patternString, ok := pattern.(string)
-
-			if !ok {
-				return nil, fmt.Errorf("http.request.filter pattern must be a string")
-			}
-
-			patternRegexp, err := regexp.Compile(fmt.Sprintf("^%s$", patternString))
-
-			if err != nil {
-				return nil, err
-			}
-
-			return &StringFilter{config: config, Pattern: patternRegexp}, nil
-		},
-	})
-}

internal/processing/string-split.go

@@ -1,51 +0,0 @@
-package processing
-
-import (
-	"context"
-	"fmt"
-	"strings"
-)
-
-type StringSplit struct {
-	config    ProcessorConfig
-	Separator string
-}
-
-func (se *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")
-	}
-
-	payloadParts := strings.Split(payloadString, se.Separator)
-
-	return payloadParts, nil
-}
-
-func (se *StringSplit) Type() string {
-	return se.config.Type
-}
-
-func init() {
-	RegisterProcessor(ProcessorRegistration{
-		Type: "string.split",
-		New: func(config ProcessorConfig) (Processor, error) {
-			params := config.Params
-
-			separator, ok := params["separator"]
-
-			if !ok {
-				return nil, fmt.Errorf("string.split requires a separator")
-			}
-
-			separatorString, ok := separator.(string)
-
-			if !ok {
-				return nil, fmt.Errorf("string.split separator must be a string")
-			}
-
-			return &StringSplit{config: config, Separator: separatorString}, nil
-		},
-	})
-}

internal/processing/uint-parse.go

@@ -1,39 +0,0 @@
-package processing
-
-import (
-	"context"
-	"fmt"
-	"strconv"
-)
-
-type UintParse struct {
-	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")
-	}
-
-	// TODO(jwetzell): make base and bitSize configurable
-	payloadUint, err := strconv.ParseUint(payloadString, 10, 64)
-	if err != nil {
-		return nil, err
-	}
-	return payloadUint, nil
-}
-
-func (up *UintParse) Type() string {
-	return up.config.Type
-}
-
-func init() {
-	RegisterProcessor(ProcessorRegistration{
-		Type: "uint.parse",
-		New: func(config ProcessorConfig) (Processor, error) {
-			return &UintParse{config: config}, nil
-		},
-	})
-}

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

@@ -0,0 +1,32 @@
+package processor
+
+import (
+	"context"
+	"fmt"
+	"log/slog"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+)
+
+type DebugLog struct {
+	config config.ProcessorConfig
+	logger *slog.Logger
+}
+
+func (dl *DebugLog) Process(ctx context.Context, payload any) (any, error) {
+	dl.logger.Debug("", "payload", payload, "payloadType", fmt.Sprintf("%T", payload))
+	return payload, nil
+}
+
+func (dl *DebugLog) Type() string {
+	return dl.config.Type
+}
+
+func init() {
+	RegisterProcessor(ProcessorRegistration{
+		Type: "debug.log",
+		New: func(config config.ProcessorConfig) (Processor, error) {
+			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

@@ -0,0 +1,53 @@
+package processor
+
+import (
+	"context"
+	"errors"
+	"strconv"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+)
+
+type FloatParse struct {
+	BitSize int
+	config  config.ProcessorConfig
+}
+
+func (fp *FloatParse) Process(ctx context.Context, payload any) (any, error) {
+	payloadString, ok := payload.(string)
+
+	if !ok {
+		return nil, errors.New("float.parse processor only accepts a string")
+	}
+
+	payloadFloat, err := strconv.ParseFloat(payloadString, fp.BitSize)
+	if err != nil {
+		return nil, err
+	}
+	return payloadFloat, nil
+}
+
+func (fp *FloatParse) Type() string {
+	return fp.config.Type
+}
+
+func init() {
+	RegisterProcessor(ProcessorRegistration{
+		Type: "float.parse",
+		New: func(config config.ProcessorConfig) (Processor, error) {
+			params := config.Params
+			bitSizeNum := 64
+			bitSize, ok := params["bitSize"]
+			if ok {
+				bitSizeFloat, ok := bitSize.(float64)
+
+				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

@@ -0,0 +1,173 @@
+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,
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			got, err := floatParser.Process(t.Context(), test.payload)
+
+			gotFloat, ok := got.(float64)
+			if !ok {
+				t.Fatalf("float.parse returned a %T payload: %s", got, got)
+			}
+			if err != nil {
+				t.Fatalf("float.parse failed: %s", err)
+			}
+			if gotFloat != test.expected {
+				t.Fatalf("float.parse got %f, expected %f", gotFloat, test.expected)
+			}
+		})
+	}
+}
+
+func TestBadFloatParse(t *testing.T) {
+	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.Fatalf("float.parse expected to fail but succeeded, got: %v", got)
+
+			}
+			if err.Error() != test.errorString {
+				t.Fatalf("float.parse got error '%s', expected '%s'", err.Error(), test.errorString)
+			}
+		})
+	}
+}

internal/processor/free-d-create.go

@@ -1,17 +1,18 @@
-package processing
+package processor
 
 import (
 	"bytes"
 	"context"
-	"fmt"
+	"errors"
 	"strconv"
 	"text/template"
 
 	freeD "github.com/jwetzell/free-d-go"
+	"github.com/jwetzell/showbridge-go/internal/config"
 )
 
 type FreeDCreate struct {
-	config ProcessorConfig
+	config config.ProcessorConfig
 	Id     *template.Template
 	Pan    *template.Template
 	Tilt   *template.Template
@@ -51,6 +52,10 @@ func (fc *FreeDCreate) Process(ctx context.Context, payload any) (any, error) {
 
 	panNum, err := strconv.ParseFloat(panString, 32)
 
+	if err != nil {
+		return nil, err
+	}
+
 	var tiltBuffer bytes.Buffer
 	err = fc.Tilt.Execute(&tiltBuffer, payload)
 
@@ -62,6 +67,10 @@ func (fc *FreeDCreate) Process(ctx context.Context, payload any) (any, error) {
 
 	tiltNum, err := strconv.ParseFloat(tiltString, 32)
 
+	if err != nil {
+		return nil, err
+	}
+
 	var rollBuffer bytes.Buffer
 	err = fc.Tilt.Execute(&rollBuffer, payload)
 
@@ -77,10 +86,6 @@ func (fc *FreeDCreate) Process(ctx context.Context, payload any) (any, error) {
 		return nil, err
 	}
 
-	if err != nil {
-		return nil, err
-	}
-
 	var posXBuffer bytes.Buffer
 	err = fc.PosX.Execute(&posXBuffer, payload)
 
@@ -178,20 +183,20 @@ func (fc *FreeDCreate) Type() string {
 func init() {
 	RegisterProcessor(ProcessorRegistration{
 		Type: "freed.create",
-		New: func(config ProcessorConfig) (Processor, error) {
+		New: func(config config.ProcessorConfig) (Processor, error) {
 
 			// TODO(jwetzell): make some params optional
 			params := config.Params
 			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)
@@ -203,13 +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)
@@ -217,13 +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)
@@ -231,13 +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)
@@ -249,13 +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)
@@ -267,13 +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)
@@ -285,13 +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)
@@ -303,13 +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)
@@ -317,13 +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

@@ -1,27 +1,27 @@
-package processing
+package processor
 
 import (
 	"context"
-	"fmt"
-	"log/slog"
+	"errors"
 
 	freeD "github.com/jwetzell/free-d-go"
+	"github.com/jwetzell/showbridge-go/internal/config"
 )
 
 type FreeDDecode struct {
-	config ProcessorConfig
+	config config.ProcessorConfig
 }
 
 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
 }
@@ -33,7 +33,7 @@ func (fdd *FreeDDecode) Type() string {
 func init() {
 	RegisterProcessor(ProcessorRegistration{
 		Type: "freed.decode",
-		New: func(config ProcessorConfig) (Processor, error) {
+		New: func(config config.ProcessorConfig) (Processor, error) {
 			return &FreeDDecode{config: config}, nil
 		},
 	})

internal/processor/free-d-encode.go

@@ -1,21 +1,22 @@
-package processing
+package processor
 
 import (
 	"context"
-	"fmt"
+	"errors"
 
 	freeD "github.com/jwetzell/free-d-go"
+	"github.com/jwetzell/showbridge-go/internal/config"
 )
 
 type FreeDEncode struct {
-	config ProcessorConfig
+	config config.ProcessorConfig
 }
 
 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)
@@ -29,7 +30,7 @@ func (fde *FreeDEncode) Type() string {
 func init() {
 	RegisterProcessor(ProcessorRegistration{
 		Type: "freed.encode",
-		New: func(config ProcessorConfig) (Processor, error) {
+		New: func(config config.ProcessorConfig) (Processor, error) {
 			return &FreeDEncode{config: config}, nil
 		},
 	})

internal/processor/http-request-create.go

@@ -1,23 +1,25 @@
-package processing
+package processor
 
 import (
 	"bytes"
 	"context"
-	"fmt"
+	"errors"
 	"net/http"
 	"text/template"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
 )
 
 type HTTPRequestCreate struct {
-	config ProcessorConfig
+	config config.ProcessorConfig
 	Method string
 	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
@@ -26,7 +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
@@ -35,38 +37,38 @@ func (hre *HTTPRequestCreate) Process(ctx context.Context, payload any) (any, er
 	return request, nil
 }
 
-func (hre *HTTPRequestCreate) Type() string {
-	return hre.config.Type
+func (hrc *HTTPRequestCreate) Type() string {
+	return hrc.config.Type
 }
 
 func init() {
 	RegisterProcessor(ProcessorRegistration{
 		Type: "http.request.create",
-		New: func(config ProcessorConfig) (Processor, error) {
+		New: func(config config.ProcessorConfig) (Processor, error) {
 			params := config.Params
 
 			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

@@ -1,21 +1,23 @@
-package processing
+package processor
 
 import (
 	"context"
-	"fmt"
+	"errors"
 	"io"
 	"net/http"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
 )
 
 type HTTPRequestEncode struct {
-	config ProcessorConfig
+	config config.ProcessorConfig
 }
 
 func (hre *HTTPRequestEncode) Process(ctx context.Context, payload any) (any, error) {
 	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)
@@ -33,7 +35,7 @@ func (hre *HTTPRequestEncode) Type() string {
 func init() {
 	RegisterProcessor(ProcessorRegistration{
 		Type: "http.request.encode",
-		New: func(config ProcessorConfig) (Processor, error) {
+		New: func(config config.ProcessorConfig) (Processor, error) {
 			return &HTTPRequestEncode{config: config}, nil
 		},
 	})

internal/processor/http-request-filter.go

@@ -1,14 +1,17 @@
-package processing
+package processor
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"net/http"
 	"regexp"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
 )
 
 type HTTPRequestFilter struct {
-	config ProcessorConfig
+	config config.ProcessorConfig
 	Path   *regexp.Regexp
 	Method string
 }
@@ -18,7 +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 != "" {
@@ -41,18 +44,18 @@ func (hrf *HTTPRequestFilter) Type() string {
 func init() {
 	RegisterProcessor(ProcessorRegistration{
 		Type: "http.request.filter",
-		New: func(config ProcessorConfig) (Processor, error) {
+		New: func(config config.ProcessorConfig) (Processor, error) {
 			params := config.Params
 			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))
@@ -67,7 +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

@@ -1,21 +1,23 @@
-package processing
+package processor
 
 import (
 	"context"
-	"fmt"
+	"errors"
 	"io"
 	"net/http"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
 )
 
 type HTTPResponseEncode struct {
-	config ProcessorConfig
+	config config.ProcessorConfig
 }
 
 func (hre *HTTPResponseEncode) Process(ctx context.Context, payload any) (any, error) {
 	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()
 
@@ -34,7 +36,7 @@ func (hre *HTTPResponseEncode) Type() string {
 func init() {
 	RegisterProcessor(ProcessorRegistration{
 		Type: "http.response.encode",
-		New: func(config ProcessorConfig) (Processor, error) {
+		New: func(config config.ProcessorConfig) (Processor, error) {
 			return &HTTPResponseEncode{config: config}, nil
 		},
 	})

internal/processor/int-parse.go

@@ -0,0 +1,67 @@
+package processor
+
+import (
+	"context"
+	"errors"
+	"strconv"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+)
+
+type IntParse struct {
+	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, errors.New("int.parse processor only accepts a string")
+	}
+
+	payloadInt, err := strconv.ParseInt(payloadString, ip.Base, ip.BitSize)
+	if err != nil {
+		return nil, err
+	}
+	return payloadInt, nil
+}
+
+func (ip *IntParse) Type() string {
+	return ip.config.Type
+}
+
+func init() {
+	RegisterProcessor(ProcessorRegistration{
+		Type: "int.parse",
+		New: func(config config.ProcessorConfig) (Processor, error) {
+			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

@@ -0,0 +1,219 @@
+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) {
+	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.Fatalf("int.parse returned a %T payload: %s", got, got)
+			}
+			if err != nil {
+				t.Fatalf("int.parse failed: %s", err)
+			}
+			if gotInt != test.expected {
+				t.Fatalf("int.parse got %d, expected %d", gotInt, test.expected)
+			}
+		})
+	}
+}
+
+func TestBadIntParse(t *testing.T) {
+	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.Fatalf("int.parse expected to fail but succeeded, got: %v", got)
+
+			}
+			if 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

@@ -0,0 +1,376 @@
+//go:build cgo
+
+package processor
+
+import (
+	"bytes"
+	"context"
+	"errors"
+	"fmt"
+	"strconv"
+	"text/template"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"gitlab.com/gomidi/midi/v2"
+)
+
+// TODO(jwetzell): support using numbers in config file treated as hardcoded values
+type MIDIMessageCreate struct {
+	config      config.ProcessorConfig
+	ProcessFunc func(ctx context.Context, payload any) (any, error)
+}
+
+func (mmc *MIDIMessageCreate) Process(ctx context.Context, payload any) (any, error) {
+	return mmc.ProcessFunc(ctx, payload)
+}
+
+func (mmc *MIDIMessageCreate) Type() string {
+	return mmc.config.Type
+}
+
+func newMidiNoteOnCreate(config config.ProcessorConfig) (Processor, error) {
+
+	params := config.Params
+
+	channel, ok := params["channel"]
+
+	if !ok {
+		return nil, errors.New("midi.message.create NoteOn requires a channel parameter")
+	}
+
+	channelString, ok := channel.(string)
+
+	if !ok {
+		return nil, errors.New("midi.message.create NoteOn channel must be a string")
+	}
+
+	channelTemplate, err := template.New("channel").Parse(channelString)
+
+	if err != nil {
+		return nil, err
+	}
+
+	note, ok := params["note"]
+
+	if !ok {
+		return nil, errors.New("midi.message.create NoteOn requires a note parameter")
+	}
+
+	noteString, ok := note.(string)
+
+	if !ok {
+		return nil, errors.New("midi.message.create NoteOn note must be a string")
+	}
+
+	noteTemplate, err := template.New("note").Parse(noteString)
+
+	if err != nil {
+		return nil, err
+	}
+
+	velocity, ok := params["velocity"]
+
+	if !ok {
+		return nil, errors.New("midi.message.create NoteOn requires a velocity parameter")
+	}
+
+	velocityString, ok := velocity.(string)
+
+	if !ok {
+		return nil, errors.New("midi.message.create NoteOn velocity must be a string")
+	}
+
+	velocityTemplate, err := template.New("velocity").Parse(velocityString)
+
+	if err != nil {
+		return nil, err
+	}
+
+	return &MIDIMessageCreate{config: config, ProcessFunc: func(ctx context.Context, payload any) (any, error) {
+
+		var channelBuffer bytes.Buffer
+		err := channelTemplate.Execute(&channelBuffer, payload)
+
+		if err != nil {
+			return nil, err
+		}
+
+		channelValue, err := strconv.ParseUint(channelBuffer.String(), 10, 8)
+
+		var noteBuffer bytes.Buffer
+		err = noteTemplate.Execute(&noteBuffer, payload)
+
+		if err != nil {
+			return nil, err
+		}
+
+		noteValue, err := strconv.ParseUint(noteBuffer.String(), 10, 8)
+
+		var velocityBuffer bytes.Buffer
+		err = velocityTemplate.Execute(&velocityBuffer, payload)
+
+		if err != nil {
+			return nil, err
+		}
+
+		velocityValue, err := strconv.ParseUint(velocityBuffer.String(), 10, 8)
+		payloadMessage := midi.NoteOn(uint8(channelValue), uint8(noteValue), uint8(velocityValue))
+		return payloadMessage, nil
+	}}, nil
+}
+
+func newMidiNoteOffCreate(config config.ProcessorConfig) (Processor, error) {
+
+	params := config.Params
+
+	channel, ok := params["channel"]
+
+	if !ok {
+		return nil, errors.New("midi.message.create NoteOn requires a channel parameter")
+	}
+
+	channelString, ok := channel.(string)
+
+	if !ok {
+		return nil, errors.New("midi.message.create NoteOn channel must be a string")
+	}
+
+	channelTemplate, err := template.New("channel").Parse(channelString)
+
+	if err != nil {
+		return nil, err
+	}
+
+	note, ok := params["note"]
+
+	if !ok {
+		return nil, errors.New("midi.message.create NoteOn requires a note parameter")
+	}
+
+	noteString, ok := note.(string)
+
+	if !ok {
+		return nil, errors.New("midi.message.create NoteOn note must be a string")
+	}
+
+	noteTemplate, err := template.New("note").Parse(noteString)
+
+	if err != nil {
+		return nil, err
+	}
+
+	return &MIDIMessageCreate{config: config, ProcessFunc: func(ctx context.Context, payload any) (any, error) {
+
+		var channelBuffer bytes.Buffer
+		err := channelTemplate.Execute(&channelBuffer, payload)
+
+		if err != nil {
+			return nil, err
+		}
+
+		channelValue, err := strconv.ParseUint(channelBuffer.String(), 10, 8)
+
+		var noteBuffer bytes.Buffer
+		err = noteTemplate.Execute(&noteBuffer, payload)
+
+		if err != nil {
+			return nil, err
+		}
+
+		noteValue, err := strconv.ParseUint(noteBuffer.String(), 10, 8)
+
+		payloadMessage := midi.NoteOff(uint8(channelValue), uint8(noteValue))
+		return payloadMessage, nil
+	}}, nil
+}
+
+func newMidiControlChangeCreate(config config.ProcessorConfig) (Processor, error) {
+
+	params := config.Params
+
+	channel, ok := params["channel"]
+
+	if !ok {
+		return nil, errors.New("midi.message.create ControlChange requires a channel parameter")
+	}
+
+	channelString, ok := channel.(string)
+
+	if !ok {
+		return nil, errors.New("midi.message.create ControlChange channel must be a string")
+	}
+
+	channelTemplate, err := template.New("channel").Parse(channelString)
+
+	if err != nil {
+		return nil, err
+	}
+
+	controller, ok := params["controller"]
+
+	if !ok {
+		return nil, errors.New("midi.message.create ControlChange requires a controller parameter")
+	}
+
+	controllerString, ok := controller.(string)
+
+	if !ok {
+		return nil, errors.New("midi.message.create ControlChange controller must be a string")
+	}
+
+	controllerTemplate, err := template.New("controller").Parse(controllerString)
+
+	if err != nil {
+		return nil, err
+	}
+
+	value, ok := params["value"]
+
+	if !ok {
+		return nil, errors.New("midi.message.create ControlChange requires a value parameter")
+	}
+
+	valueString, ok := value.(string)
+
+	if !ok {
+		return nil, errors.New("midi.message.create ControlChange value must be a string")
+	}
+
+	valueTemplate, err := template.New("value").Parse(valueString)
+
+	if err != nil {
+		return nil, err
+	}
+
+	return &MIDIMessageCreate{config: config, ProcessFunc: func(ctx context.Context, payload any) (any, error) {
+
+		var channelBuffer bytes.Buffer
+		err := channelTemplate.Execute(&channelBuffer, payload)
+
+		if err != nil {
+			return nil, err
+		}
+
+		channelValue, err := strconv.ParseUint(channelBuffer.String(), 10, 8)
+
+		var controllerBuffer bytes.Buffer
+		err = controllerTemplate.Execute(&controllerBuffer, payload)
+
+		if err != nil {
+			return nil, err
+		}
+
+		controllerValue, err := strconv.ParseUint(controllerBuffer.String(), 10, 8)
+
+		var valueBuffer bytes.Buffer
+		err = valueTemplate.Execute(&valueBuffer, payload)
+
+		if err != nil {
+			return nil, err
+		}
+
+		valueValue, err := strconv.ParseUint(valueBuffer.String(), 10, 8)
+
+		payloadMessage := midi.ControlChange(uint8(channelValue), uint8(controllerValue), uint8(valueValue))
+		return payloadMessage, nil
+	}}, nil
+}
+
+func newMidiProgramChangeCreate(config config.ProcessorConfig) (Processor, error) {
+
+	params := config.Params
+
+	channel, ok := params["channel"]
+
+	if !ok {
+		return nil, errors.New("midi.message.create ProgramChange requires a channel parameter")
+	}
+
+	channelString, ok := channel.(string)
+
+	if !ok {
+		return nil, errors.New("midi.message.create ProgramChange channel must be a string")
+	}
+
+	channelTemplate, err := template.New("channel").Parse(channelString)
+
+	if err != nil {
+		return nil, err
+	}
+
+	program, ok := params["program"]
+
+	if !ok {
+		return nil, errors.New("midi.message.create ProgramChange requires a program parameter")
+	}
+
+	programString, ok := program.(string)
+
+	if !ok {
+		return nil, errors.New("midi.message.create ProgramChange program must be a string")
+	}
+
+	programTemplate, err := template.New("program").Parse(programString)
+
+	if err != nil {
+		return nil, err
+	}
+
+	return &MIDIMessageCreate{config: config, ProcessFunc: func(ctx context.Context, payload any) (any, error) {
+
+		var channelBuffer bytes.Buffer
+		err := channelTemplate.Execute(&channelBuffer, payload)
+
+		if err != nil {
+			return nil, err
+		}
+
+		channelValue, err := strconv.ParseUint(channelBuffer.String(), 10, 8)
+
+		var programBuffer bytes.Buffer
+		err = programTemplate.Execute(&programBuffer, payload)
+
+		if err != nil {
+			return nil, err
+		}
+
+		programValue, err := strconv.ParseUint(programBuffer.String(), 10, 8)
+
+		payloadMessage := midi.ProgramChange(uint8(channelValue), uint8(programValue))
+		return payloadMessage, nil
+	}}, nil
+}
+
+func init() {
+	RegisterProcessor(ProcessorRegistration{
+		Type: "midi.message.create",
+		New: func(config config.ProcessorConfig) (Processor, error) {
+			params := config.Params
+
+			msgType, ok := params["type"]
+
+			if !ok {
+				return nil, errors.New("midi.message.create requires a type parameter")
+			}
+
+			msgTypeString, ok := msgType.(string)
+
+			if !ok {
+				return nil, errors.New("midi.message.create type parameter must be a string")
+			}
+
+			switch msgTypeString {
+			case "NoteOn", "noteon", "note_on":
+				return newMidiNoteOnCreate(config)
+			case "NoteOff", "noteoff", "note_off":
+				return newMidiNoteOffCreate(config)
+			case "ControlChange", "controlchange", "control_change":
+				return newMidiControlChangeCreate(config)
+			case "ProgramChange", "programchange", "program_change":
+				return newMidiProgramChangeCreate(config)
+			default:
+				return nil, fmt.Errorf("midi.message.create does not support type %s", msgTypeString)
+			}
+		},
+	})
+}

internal/processor/midi-message-decode.go

@@ -1,23 +1,24 @@
 //go:build cgo
 
-package processing
+package processor
 
 import (
 	"context"
-	"fmt"
+	"errors"
 
+	"github.com/jwetzell/showbridge-go/internal/config"
 	"gitlab.com/gomidi/midi/v2"
 )
 
 type MIDIMessageDecode struct {
-	config ProcessorConfig
+	config config.ProcessorConfig
 }
 
 func (mmd *MIDIMessageDecode) Process(ctx context.Context, payload any) (any, error) {
 	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)
@@ -32,7 +33,7 @@ func (mmd *MIDIMessageDecode) Type() string {
 func init() {
 	RegisterProcessor(ProcessorRegistration{
 		Type: "midi.message.decode",
-		New: func(config ProcessorConfig) (Processor, error) {
+		New: func(config config.ProcessorConfig) (Processor, error) {
 			return &MIDIMessageDecode{config: config}, nil
 		},
 	})

internal/processor/midi-message-encode.go

@@ -1,23 +1,24 @@
 //go:build cgo
 
-package processing
+package processor
 
 import (
 	"context"
-	"fmt"
+	"errors"
 
+	"github.com/jwetzell/showbridge-go/internal/config"
 	"gitlab.com/gomidi/midi/v2"
 )
 
 type MIDIMessageEncode struct {
-	config ProcessorConfig
+	config config.ProcessorConfig
 }
 
 func (mme *MIDIMessageEncode) Process(ctx context.Context, payload any) (any, error) {
 	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
@@ -30,7 +31,7 @@ func (mme *MIDIMessageEncode) Type() string {
 func init() {
 	RegisterProcessor(ProcessorRegistration{
 		Type: "midi.message.encode",
-		New: func(config ProcessorConfig) (Processor, error) {
+		New: func(config config.ProcessorConfig) (Processor, error) {
 			return &MIDIMessageEncode{config: config}, nil
 		},
 	})

internal/processor/midi-message-filter.go

@@ -0,0 +1,55 @@
+//go:build cgo
+
+package processor
+
+import (
+	"context"
+	"errors"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"gitlab.com/gomidi/midi/v2"
+)
+
+type MIDIMessageFilter struct {
+	config   config.ProcessorConfig
+	MIDIType string
+}
+
+func (mmf *MIDIMessageFilter) Process(ctx context.Context, payload any) (any, error) {
+	payloadMessage, ok := payload.(midi.Message)
+
+	if !ok {
+		return nil, errors.New("midi.message.filter processor only accepts an midi.Message")
+	}
+
+	if payloadMessage.Type().String() != mmf.MIDIType {
+		return nil, nil
+	}
+
+	return payloadMessage, nil
+}
+
+func (mmf *MIDIMessageFilter) Type() string {
+	return mmf.config.Type
+}
+
+func init() {
+	RegisterProcessor(ProcessorRegistration{
+		Type: "midi.message.filter",
+		New: func(config config.ProcessorConfig) (Processor, error) {
+			params := config.Params
+			midiType, ok := params["type"]
+
+			if !ok {
+				return nil, errors.New("midi.message.filter requires a type parameter")
+			}
+			midiTypeString, ok := midiType.(string)
+
+			if !ok {
+				return nil, errors.New("midi.message.filter type must be a string")
+			}
+
+			return &MIDIMessageFilter{config: config, MIDIType: midiTypeString}, nil
+		},
+	})
+}

internal/processor/midi-message-unpack.go

@@ -0,0 +1,91 @@
+//go:build cgo
+
+package processor
+
+import (
+	"context"
+	"errors"
+	"fmt"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"gitlab.com/gomidi/midi/v2"
+)
+
+type MIDIMessageUnpack struct {
+	config config.ProcessorConfig
+}
+
+type MIDINoteOn struct {
+	Channel  uint8
+	Note     uint8
+	Velocity uint8
+}
+
+type MIDINoteOff struct {
+	Channel  uint8
+	Note     uint8
+	Velocity uint8
+}
+
+type MIDIControlChange struct {
+	Channel uint8
+	Control uint8
+	Value   uint8
+}
+
+type MIDIProgramChange struct {
+	Channel uint8
+	Program uint8
+}
+
+type MIDIPitchBend struct {
+	Channel  uint8
+	Relative int16
+	Absolute uint16
+}
+
+func (mmu *MIDIMessageUnpack) Process(ctx context.Context, payload any) (any, error) {
+	payloadMidi, ok := payload.(midi.Message)
+
+	if !ok {
+		return nil, errors.New("midi.message.unpack processor only accepts a midi.Message")
+	}
+
+	switch payloadMidi.Type() {
+	case midi.NoteOnMsg:
+		noteOnMsg := MIDINoteOn{}
+		payloadMidi.GetNoteOn(&noteOnMsg.Channel, &noteOnMsg.Note, &noteOnMsg.Velocity)
+		return noteOnMsg, nil
+	case midi.NoteOffMsg:
+		noteOffMsg := MIDINoteOff{}
+		payloadMidi.GetNoteOff(&noteOffMsg.Channel, &noteOffMsg.Note, &noteOffMsg.Velocity)
+		return noteOffMsg, nil
+	case midi.ControlChangeMsg:
+		controlChangeMsg := MIDIControlChange{}
+		payloadMidi.GetControlChange(&controlChangeMsg.Channel, &controlChangeMsg.Control, &controlChangeMsg.Value)
+		return controlChangeMsg, nil
+	case midi.ProgramChangeMsg:
+		programChangeMsg := MIDIProgramChange{}
+		payloadMidi.GetProgramChange(&programChangeMsg.Channel, &programChangeMsg.Program)
+		return programChangeMsg, nil
+	case midi.PitchBendMsg:
+		pitchBendMsg := MIDIPitchBend{}
+		payloadMidi.GetPitchBend(&pitchBendMsg.Channel, &pitchBendMsg.Relative, &pitchBendMsg.Absolute)
+		return pitchBendMsg, nil
+	default:
+		return nil, fmt.Errorf("midi.message.unpack message type not supported %v", payloadMidi.Type())
+	}
+}
+
+func (mmu *MIDIMessageUnpack) Type() string {
+	return mmu.config.Type
+}
+
+func init() {
+	RegisterProcessor(ProcessorRegistration{
+		Type: "midi.message.unpack",
+		New: func(config config.ProcessorConfig) (Processor, error) {
+			return &MIDIMessageUnpack{config: config}, nil
+		},
+	})
+}

internal/processor/mqtt-message-create.go

@@ -0,0 +1,133 @@
+package processor
+
+import (
+	"context"
+	"errors"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+)
+
+type MQTTMessage struct {
+	topic    string
+	qos      byte
+	payload  []byte
+	retained bool
+}
+
+type MQTTMessageCreate struct {
+	config   config.ProcessorConfig
+	Topic    string
+	QoS      byte
+	Retained bool
+	Payload  []byte
+}
+
+func (mm MQTTMessage) Duplicate() bool {
+	// TODO(jwetzell): implement?
+	return false
+}
+
+func (mm MQTTMessage) Qos() byte {
+	return mm.qos
+}
+
+func (mm MQTTMessage) Retained() bool {
+	return mm.retained
+}
+
+func (mm MQTTMessage) Topic() string {
+	return mm.topic
+}
+
+func (mm MQTTMessage) MessageID() uint16 {
+	// TODO(jwetzell): implement?
+	return 0
+}
+
+func (mm MQTTMessage) Payload() []byte {
+	return mm.payload
+}
+
+func (mm MQTTMessage) Ack() {}
+
+func (mmc *MQTTMessageCreate) Process(ctx context.Context, payload any) (any, error) {
+	// TODO(jwetzell): support templating
+
+	message := MQTTMessage{
+		topic:    mmc.Topic,
+		qos:      mmc.QoS,
+		retained: mmc.Retained,
+		payload:  mmc.Payload,
+	}
+
+	return message, nil
+}
+
+func (mmc *MQTTMessageCreate) Type() string {
+	return mmc.config.Type
+}
+
+func init() {
+	RegisterProcessor(ProcessorRegistration{
+		Type: "mqtt.message.create",
+		New: func(config config.ProcessorConfig) (Processor, error) {
+			params := config.Params
+			topic, ok := params["topic"]
+
+			if !ok {
+				return nil, errors.New("mqtt.message.create requires a topic parameter")
+			}
+
+			topicString, ok := topic.(string)
+
+			if !ok {
+				return nil, errors.New("mqtt.message.create topic must be a string")
+			}
+
+			qos, ok := params["qos"]
+
+			if !ok {
+				return nil, errors.New("mqtt.message.create requires a qos parameter")
+			}
+
+			qosByte, ok := qos.(float64)
+
+			if !ok {
+				return nil, errors.New("mqtt.message.create qos must be a number")
+			}
+
+			retained, ok := params["retained"]
+
+			if !ok {
+				return nil, errors.New("mqtt.message.create requires a retained parameter")
+			}
+
+			retainedBool, ok := retained.(bool)
+
+			if !ok {
+				return nil, errors.New("mqtt.message.create retained must be a boolean")
+			}
+
+			//TODO(jwetzell): convert payload into []byte or string for sending
+			payload, ok := params["payload"]
+
+			if !ok {
+				return nil, errors.New("mqtt.message.create requires a payload parameter")
+			}
+
+			if payloadBytes, ok := payload.([]byte); ok {
+				return &MQTTMessageCreate{config: config, Topic: topicString, QoS: byte(qosByte), Retained: retainedBool, Payload: payloadBytes}, nil
+			}
+
+			payloadString, ok := payload.(string)
+
+			if !ok {
+				return nil, errors.New("mqtt.message.create payload must be a string or byte array")
+			}
+
+			payloadBytes := []byte(payloadString)
+
+			return &MQTTMessageCreate{config: config, Topic: topicString, QoS: byte(qosByte), Retained: retainedBool, Payload: payloadBytes}, nil
+		},
+	})
+}

internal/processor/mqtt-message-encode.go

@@ -1,21 +1,22 @@
-package processing
+package processor
 
 import (
 	"context"
-	"fmt"
+	"errors"
 
 	mqtt "github.com/eclipse/paho.mqtt.golang"
+	"github.com/jwetzell/showbridge-go/internal/config"
 )
 
 type MQTTMessageEncode struct {
-	config ProcessorConfig
+	config config.ProcessorConfig
 }
 
 func (mme *MQTTMessageEncode) Process(ctx context.Context, payload any) (any, error) {
 	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
@@ -28,7 +29,7 @@ func (mme *MQTTMessageEncode) Type() string {
 func init() {
 	RegisterProcessor(ProcessorRegistration{
 		Type: "mqtt.message.encode",
-		New: func(config ProcessorConfig) (Processor, error) {
+		New: func(config config.ProcessorConfig) (Processor, error) {
 			return &MQTTMessageEncode{config: config}, nil
 		},
 	})

internal/processor/nats-message-create.go

@@ -1,10 +1,12 @@
-package processing
+package processor
 
 import (
 	"bytes"
 	"context"
-	"fmt"
+	"errors"
 	"text/template"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
 )
 
 type NATSMessage struct {
@@ -13,8 +15,8 @@ type NATSMessage struct {
 }
 
 type NATSMessageCreate struct {
-	config  ProcessorConfig
-	Subject string
+	config  config.ProcessorConfig
+	Subject *template.Template
 	Payload *template.Template
 }
 
@@ -29,8 +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),
 	}
 
@@ -44,31 +55,36 @@ func (nmc *NATSMessageCreate) Type() string {
 func init() {
 	RegisterProcessor(ProcessorRegistration{
 		Type: "nats.message.create",
-		New: func(config ProcessorConfig) (Processor, error) {
+		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)
@@ -77,7 +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

@@ -1,21 +1,22 @@
-package processing
+package processor
 
 import (
 	"context"
-	"fmt"
+	"errors"
 
+	"github.com/jwetzell/showbridge-go/internal/config"
 	"github.com/nats-io/nats.go"
 )
 
 type NATSMessageEncode struct {
-	config ProcessorConfig
+	config config.ProcessorConfig
 }
 
 func (nme *NATSMessageEncode) Process(ctx context.Context, payload any) (any, error) {
 	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
@@ -28,7 +29,7 @@ func (nme *NATSMessageEncode) Type() string {
 func init() {
 	RegisterProcessor(ProcessorRegistration{
 		Type: "nats.message.encode",
-		New: func(config ProcessorConfig) (Processor, error) {
+		New: func(config config.ProcessorConfig) (Processor, error) {
 			return &NATSMessageEncode{config: config}, nil
 		},
 	})

internal/processor/osc-message-create.go

@@ -1,27 +1,29 @@
-package processing
+package processor
 
 import (
 	"bytes"
 	"context"
 	"encoding/hex"
+	"errors"
 	"fmt"
 	"strconv"
 	"text/template"
 
 	"github.com/jwetzell/osc-go"
+	"github.com/jwetzell/showbridge-go/internal/config"
 )
 
 type OSCMessageCreate struct {
-	config  ProcessorConfig
+	config  config.ProcessorConfig
 	Address *template.Template
 	Args    []*template.Template
 	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
@@ -30,11 +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{
@@ -43,7 +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)
 
@@ -53,7 +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
@@ -69,25 +71,25 @@ func (o *OSCMessageCreate) Process(ctx context.Context, payload any) (any, error
 	return payloadMessage, nil
 }
 
-func (o *OSCMessageCreate) Type() string {
-	return o.config.Type
+func (omc *OSCMessageCreate) Type() string {
+	return omc.config.Type
 }
 
 func init() {
 	RegisterProcessor(ProcessorRegistration{
 		Type: "osc.message.create",
-		New: func(config ProcessorConfig) (Processor, error) {
+		New: func(config config.ProcessorConfig) (Processor, error) {
 			params := config.Params
 			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)
@@ -108,17 +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{}
@@ -127,7 +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

@@ -1,29 +1,30 @@
-package processing
+package processor
 
 import (
 	"context"
-	"fmt"
+	"errors"
 
 	osc "github.com/jwetzell/osc-go"
+	"github.com/jwetzell/showbridge-go/internal/config"
 )
 
 type OSCMessageDecode struct {
-	config ProcessorConfig
+	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)
@@ -33,14 +34,14 @@ func (o *OSCMessageDecode) Process(ctx context.Context, payload any) (any, error
 	return message, nil
 }
 
-func (o *OSCMessageDecode) Type() string {
-	return o.config.Type
+func (omd *OSCMessageDecode) Type() string {
+	return omd.config.Type
 }
 
 func init() {
 	RegisterProcessor(ProcessorRegistration{
 		Type: "osc.message.decode",
-		New: func(config ProcessorConfig) (Processor, error) {
+		New: func(config config.ProcessorConfig) (Processor, error) {
 			return &OSCMessageDecode{config: config}, nil
 		},
 	})

internal/processor/osc-message-encode.go

@@ -0,0 +1,37 @@
+package processor
+
+import (
+	"context"
+	"errors"
+
+	osc "github.com/jwetzell/osc-go"
+	"github.com/jwetzell/showbridge-go/internal/config"
+)
+
+type OSCMessageEncode struct {
+	config config.ProcessorConfig
+}
+
+func (ome *OSCMessageEncode) Process(ctx context.Context, payload any) (any, error) {
+	payloadMessage, ok := payload.(osc.OSCMessage)
+
+	if !ok {
+		return nil, errors.New("osc.message.encode processor only accepts an OSCMessage")
+	}
+
+	bytes := payloadMessage.ToBytes()
+	return bytes, nil
+}
+
+func (ome *OSCMessageEncode) Type() string {
+	return ome.config.Type
+}
+
+func init() {
+	RegisterProcessor(ProcessorRegistration{
+		Type: "osc.message.encode",
+		New: func(config config.ProcessorConfig) (Processor, error) {
+			return &OSCMessageEncode{config: config}, nil
+		},
+	})
+}

internal/processor/osc-message-filter.go

@@ -1,53 +1,55 @@
-package processing
+package processor
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"regexp"
 	"strings"
 
 	"github.com/jwetzell/osc-go"
+	"github.com/jwetzell/showbridge-go/internal/config"
 )
 
 type OSCMessageFilter struct {
-	config  ProcessorConfig
+	config  config.ProcessorConfig
 	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 {
-	return o.config.Type
+func (omf *OSCMessageFilter) Type() string {
+	return omf.config.Type
 }
 
 func init() {
 	RegisterProcessor(ProcessorRegistration{
 		Type: "osc.message.filter",
-		New: func(config ProcessorConfig) (Processor, error) {
+		New: func(config config.ProcessorConfig) (Processor, error) {
 			params := config.Params
 			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

@@ -1,29 +1,29 @@
-package processing
+package processor
 
 import (
 	"bytes"
 	"context"
-	"fmt"
+	"errors"
 	"text/template"
 
 	osc "github.com/jwetzell/osc-go"
+	"github.com/jwetzell/showbridge-go/internal/config"
 )
 
 type OSCMessageTransform struct {
-	config  ProcessorConfig
+	config  config.ProcessorConfig
 	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 := o.Address.Execute(&addressBuffer, payloadMessage)
+	err := omt.Address.Execute(&addressBuffer, payloadMessage)
 
 	if err != nil {
 		return nil, err
@@ -32,11 +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
@@ -44,25 +44,25 @@ func (o *OSCMessageTransform) Process(ctx context.Context, payload any) (any, er
 	return payloadMessage, nil
 }
 
-func (o *OSCMessageTransform) Type() string {
-	return o.config.Type
+func (omt *OSCMessageTransform) Type() string {
+	return omt.config.Type
 }
 
 func init() {
 	RegisterProcessor(ProcessorRegistration{
 		Type: "osc.message.transform",
-		New: func(config ProcessorConfig) (Processor, error) {
+		New: func(config config.ProcessorConfig) (Processor, error) {
 			params := config.Params
 			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.go

@@ -1,9 +1,11 @@
-package processing
+package processor
 
 import (
 	"context"
 	"fmt"
 	"sync"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
 )
 
 type Processor interface {
@@ -11,14 +13,9 @@ type Processor interface {
 	Process(context.Context, any) (any, error)
 }
 
-type ProcessorConfig struct {
-	Type   string         `json:"type"`
-	Params map[string]any `json:"params"`
-}
-
 type ProcessorRegistration struct {
 	Type string `json:"type"`
-	New  func(ProcessorConfig) (Processor, error)
+	New  func(config.ProcessorConfig) (Processor, error)
 }
 
 func RegisterProcessor(processor ProcessorRegistration) {

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

@@ -1,16 +1,17 @@
-package processing
+package processor
 
 import (
 	"context"
-	"fmt"
+	"errors"
 
 	"github.com/expr-lang/expr"
 	"github.com/expr-lang/expr/vm"
+	"github.com/jwetzell/showbridge-go/internal/config"
 )
 
 // NOTE(jwetzell): see language definition https://expr-lang.org/docs/language-definition
 type ScriptExpr struct {
-	config  ProcessorConfig
+	config  config.ProcessorConfig
 	Program *vm.Program
 }
 
@@ -31,19 +32,19 @@ func (se *ScriptExpr) Type() string {
 func init() {
 	RegisterProcessor(ProcessorRegistration{
 		Type: "script.expr",
-		New: func(config ProcessorConfig) (Processor, error) {
+		New: func(config config.ProcessorConfig) (Processor, error) {
 			params := config.Params
 
 			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

@@ -1,15 +1,16 @@
-package processing
+package processor
 
 import (
 	"context"
 	"encoding/json"
-	"fmt"
+	"errors"
 
+	"github.com/jwetzell/showbridge-go/internal/config"
 	"modernc.org/quickjs"
 )
 
 type ScriptJS struct {
-	config  ProcessorConfig
+	config  config.ProcessorConfig
 	Program string
 }
 
@@ -67,19 +68,19 @@ func (sj *ScriptJS) Type() string {
 func init() {
 	RegisterProcessor(ProcessorRegistration{
 		Type: "script.js",
-		New: func(config ProcessorConfig) (Processor, error) {
+		New: func(config config.ProcessorConfig) (Processor, error) {
 			params := config.Params
 
 			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

@@ -1,14 +1,16 @@
-package processing
+package processor
 
 import (
 	"bytes"
 	"context"
-	"fmt"
+	"errors"
 	"text/template"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
 )
 
 type StringCreate struct {
-	config   ProcessorConfig
+	config   config.ProcessorConfig
 	Template *template.Template
 }
 
@@ -32,18 +34,18 @@ func (sc *StringCreate) Type() string {
 func init() {
 	RegisterProcessor(ProcessorRegistration{
 		Type: "string.create",
-		New: func(config ProcessorConfig) (Processor, error) {
+		New: func(config config.ProcessorConfig) (Processor, error) {
 			params := config.Params
 			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 +1,187 @@
+package processor_test
+
+import (
+	"testing"
+	"text/template"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/processor"
+)
+
+type TestStruct struct {
+	Data string
+}
+
+func (t TestStruct) GetData() string {
+	return t.Data
+}
+
+func TestStringCreateFromRegistry(t *testing.T) {
+	registration, ok := processor.ProcessorRegistry["string.create"]
+	if !ok {
+		t.Fatalf("string.create processor not registered")
+	}
+
+	processorInstance, err := registration.New(config.ProcessorConfig{
+		Type: "string.create",
+		Params: map[string]any{
+			"template": "{{.}}",
+		},
+	})
+	if err != nil {
+		t.Fatalf("failed to create string.create processor: %s", err)
+	}
+
+	if processorInstance.Type() != "string.create" {
+		t.Fatalf("string.create processor has wrong type: %s", processorInstance.Type())
+	}
+
+	payload := "hello"
+	expected := "hello"
+
+	got, err := processorInstance.Process(t.Context(), payload)
+	if err != nil {
+		t.Fatalf("string.create processing failed: %s", err)
+	}
+
+	if got != expected {
+		t.Fatalf("string.create got %+v, expected %+v", got, expected)
+	}
+}
+
+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)
+			}
+		})
+	}
+}
+
+func TestBadStringCreate(t *testing.T) {
+	tests := []struct {
+		name        string
+		params      map[string]any
+		payload     any
+		errorString string
+	}{
+		{
+			name:        "no template param",
+			payload:     "hello",
+			params:      map[string]any{},
+			errorString: "string.create requires a template parameter",
+		},
+		{
+			name:    "non string template",
+			payload: "hello",
+			params: map[string]any{
+				"template": 1,
+			},
+			errorString: "string.create template must be a string",
+		},
+		{
+			name:    "invalid template",
+			payload: "hello",
+			params: map[string]any{
+				"template": "{{.",
+			},
+			errorString: "template: template:1: illegal number syntax: \".\"",
+		},
+		{
+			name:    "bad property in template",
+			payload: "hello",
+			params: map[string]any{
+				"template": "{{.Invalid}}",
+			},
+			errorString: "template: template:1:2: executing \"template\" at <.Invalid>: can't evaluate field Invalid in type string",
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+
+			registration, ok := processor.ProcessorRegistry["string.create"]
+			if !ok {
+				t.Fatalf("string.create processor not registered")
+			}
+
+			processorInstance, err := registration.New(config.ProcessorConfig{
+				Type:   "string.create",
+				Params: test.params,
+			})
+
+			if err != nil {
+				if test.errorString != err.Error() {
+					t.Fatalf("string.encode got error '%s', expected '%s'", err.Error(), test.errorString)
+				}
+				return
+			}
+
+			got, err := processorInstance.Process(t.Context(), test.payload)
+
+			if err == nil {
+				t.Fatalf("string.encode expected to fail but got payload: %s", got)
+			}
+
+			if err.Error() != test.errorString {
+				t.Fatalf("string.encode got error '%s', expected '%s'", err.Error(), test.errorString)
+			}
+		})
+	}
+}

internal/processor/string-decode.go

@@ -1,19 +1,21 @@
-package processing
+package processor
 
 import (
 	"context"
-	"fmt"
+	"errors"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
 )
 
 type StringDecode struct {
-	config ProcessorConfig
+	config config.ProcessorConfig
 }
 
 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)
@@ -28,7 +30,7 @@ func (sd *StringDecode) Type() string {
 func init() {
 	RegisterProcessor(ProcessorRegistration{
 		Type: "string.decode",
-		New: func(config ProcessorConfig) (Processor, error) {
+		New: func(config config.ProcessorConfig) (Processor, error) {
 			return &StringDecode{config: config}, nil
 		},
 	})