move docker building to main release workflow

add docker image

.dockerignore

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

.github/workflows/release-showbridge.yaml

@@ -3,7 +3,7 @@ name: showbridge release
 on:
   push:
     tags:
-      - "*"
+      - "v*"
 
 permissions:
   contents: write
@@ -29,3 +29,40 @@ jobs:
           args: release --clean
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+  docker:
+    runs-on: ubuntu-latest
+    needs: goreleaser
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@c7c53464625b32c7a7e944ae62b3e17d2b600130 # v3.7.0
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@e468171a9de216ec08956ac3ada2f0791b6bd435 # v3.11.1
+
+      - 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": ["--debug"],
+            "cwd": "./"
+        }
+    ]
+}

Dockerfile

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

README.md

@@ -22,8 +22,13 @@ Simple protocol router _/s_
   - client
 - [PosiStageNet](https://posistage.net/)
   - client
-- MIDI
+- MIDI (not included in pre-built binaries yet)
-  - client (not included in pre-built binaries yet)
+  - input
+  - output
+- [SIP](https://en.wikipedia.org/wiki/Session_Initiation_Protocol)
+  - call server
+  - [DTMF](https://en.wikipedia.org/wiki/Dual-tone_multi-frequency_signaling) server
+
 
   
   

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

@@ -2,7 +2,7 @@ package main
 
 import (
 	"context"
-	"fmt"
+	"errors"
 	"log/slog"
 	"os"
 	"os/signal"
@@ -13,32 +13,73 @@ import (
 	"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.BoolFlag{
+				Name:  "debug",
+				Value: false,
+				Usage: "set log level to DEBUG",
+			},
+			&cli.BoolFlag{
+				Name:  "json",
+				Value: false,
+				Usage: "log using JSON",
 			},
 		},
 		Action: func(ctx context.Context, c *cli.Command) error {
 			configPath := c.String("config")
 			if configPath == "" {
-				return fmt.Errorf("config value cannot be empty")
+				return errors.New("config value cannot be empty")
 			}
 
 			config, err := readConfig(configPath)
 			if err != nil {
 				return err
 			}
+
+			logLevel := slog.LevelInfo
+
+			if c.Bool("debug") {
+				logLevel = slog.LevelDebug
+			}
+
+			logHandlerOptions := &slog.HandlerOptions{
+				Level: logLevel,
+			}
+
+			logOutput := os.Stderr
+
+			var logHandler slog.Handler = slog.NewTextHandler(logOutput, logHandlerOptions)
+
+			if c.Bool("json") {
+				logHandler = slog.NewJSONHandler(logOutput, logHandlerOptions)
+			}
+
+			logger := slog.New(logHandler)
+
+			slog.SetDefault(logger)
+
 			router, moduleErrors, routeErrors := showbridge.NewRouter(ctx, config)
+
 			for _, moduleError := range moduleErrors {
-				slog.Error("problem initializing module", "index", moduleError.Index, "error", moduleError.Error)
+				logger.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)
+				logger.Error("problem initializing route", "index", routeError.Index, "error", routeError.Error)
 			}
 			router.Run()
 			return nil

config.yaml

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

go.mod

@@ -5,14 +5,14 @@ go 1.25.3
 require (
 	github.com/eclipse/paho.mqtt.golang v1.5.1
 	github.com/emiago/diago v0.23.1-0.20251211215055-e1d875617111
-	github.com/emiago/sipgo v1.0.1-alpha.0.20251212165843-9c9bcdf9126f
+	github.com/emiago/sipgo v1.0.1
-	github.com/expr-lang/expr v1.17.6
+	github.com/expr-lang/expr v1.17.7
 	github.com/jwetzell/free-d-go v0.1.0
 	github.com/jwetzell/osc-go v0.1.0
 	github.com/jwetzell/psn-go v0.3.0
-	github.com/nats-io/nats.go v1.47.0
+	github.com/nats-io/nats.go v1.48.0
 	github.com/urfave/cli/v3 v3.6.1
-	gitlab.com/gomidi/midi/v2 v2.3.16
+	gitlab.com/gomidi/midi/v2 v2.3.18
 	go.bug.st/serial v1.6.4
 	modernc.org/quickjs v0.17.0
 	sigs.k8s.io/yaml v1.6.0

go.sum

@@ -8,10 +8,10 @@ github.com/eclipse/paho.mqtt.golang v1.5.1 h1:/VSOv3oDLlpqR2Epjn1Q7b2bSTplJIeV2I
 github.com/eclipse/paho.mqtt.golang v1.5.1/go.mod h1:1/yJCneuyOoCOzKSsOTUc0AJfpsItBGWvYpBLimhArU=
 github.com/emiago/diago v0.23.1-0.20251211215055-e1d875617111 h1:jqhOZbH40pf2jiUhGaBNk334wOtNYvAaXg/mHOXhy/Y=
 github.com/emiago/diago v0.23.1-0.20251211215055-e1d875617111/go.mod h1:3vLCCq8/G/Ei5I64IHtrmBTag+nPLcgXcKeN1KkLtuc=
-github.com/emiago/sipgo v1.0.1-alpha.0.20251212165843-9c9bcdf9126f h1:n3wpx7ZyJBr0popXyATnTUZp/AdLIHjKbnKzr4ruF7g=
+github.com/emiago/sipgo v1.0.1 h1:8eCZ6L/VX3isyByyv1RrBoQ5GyBoRXBHkNMYjwacRfk=
-github.com/emiago/sipgo v1.0.1-alpha.0.20251212165843-9c9bcdf9126f/go.mod h1:DuwAxBZhKMqIzQFPGZb1MVAGU6Wuxj64oTOhd5dx/FY=
+github.com/emiago/sipgo v1.0.1/go.mod h1:DuwAxBZhKMqIzQFPGZb1MVAGU6Wuxj64oTOhd5dx/FY=
-github.com/expr-lang/expr v1.17.6 h1:1h6i8ONk9cexhDmowO/A64VPxHScu7qfSl2k8OlINec=
+github.com/expr-lang/expr v1.17.7 h1:Q0xY/e/2aCIp8g9s/LGvMDCC5PxYlvHgDZRQ4y16JX8=
-github.com/expr-lang/expr v1.17.6/go.mod h1:8/vRC7+7HBzESEqt5kKpYXxrxkr31SaO8r40VO/1IT4=
+github.com/expr-lang/expr v1.17.7/go.mod h1:8/vRC7+7HBzESEqt5kKpYXxrxkr31SaO8r40VO/1IT4=
 github.com/go-audio/riff v1.0.0 h1:d8iCGbDvox9BfLagY94fBynxSPHO80LmZCaOsmKxokA=
 github.com/go-audio/riff v1.0.0/go.mod h1:l3cQwc85y79NQFCRB7TiPoNiaijp6q8Z0Uv38rVG498=
 github.com/gobwas/httphead v0.1.0 h1:exrUm0f4YX0L7EBwZHuCF4GDp8aJfVeBrlLQrs6NqWU=
@@ -44,34 +44,24 @@ github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
 github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
 github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
 github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
-github.com/nats-io/nats.go v1.47.0 h1:YQdADw6J/UfGUd2Oy6tn4Hq6YHxCaJrVKayxxFqYrgM=
+github.com/nats-io/nats.go v1.48.0 h1:pSFyXApG+yWU/TgbKCjmm5K4wrHu86231/w84qRVR+U=
-github.com/nats-io/nats.go v1.47.0/go.mod h1:iRWIPokVIFbVijxuMQq4y9ttaBTMe0SFdlZfMDd+33g=
+github.com/nats-io/nats.go v1.48.0/go.mod h1:iRWIPokVIFbVijxuMQq4y9ttaBTMe0SFdlZfMDd+33g=
 github.com/nats-io/nkeys v0.4.11 h1:q44qGV008kYd9W1b1nEBkNzvnWxtRSQ7A8BoqRrcfa0=
 github.com/nats-io/nkeys v0.4.11/go.mod h1:szDimtgmfOi9n25JpfIdGw12tZFYXqhGxjhVxsatHVE=
 github.com/nats-io/nuid v1.0.1 h1:5iA8DT8V7q8WK2EScv2padNa/rTESc1KdnPw4TC2paw=
 github.com/nats-io/nuid v1.0.1/go.mod h1:19wcPz3Ph3q0Jbyiqsd0kePYG7A95tJPxeL+1OSON2c=
 github.com/ncruces/go-strftime v0.1.9 h1:bY0MQC28UADQmHmaF5dgpLmImcShSi2kHU9XLdhx/f4=
 github.com/ncruces/go-strftime v0.1.9/go.mod h1:Fwc5htZGVVkseilnfgOVb9mKy6w1naJmn9CehxcKcls=
-github.com/pion/logging v0.2.3 h1:gHuf0zpoh1GW67Nr6Gj4cv5Z9ZscU7g/EaoC/Ke/igI=
-github.com/pion/logging v0.2.3/go.mod h1:z8YfknkquMe1csOrxK5kc+5/ZPAzMxbKLX5aXpbpC90=
 github.com/pion/logging v0.2.4 h1:tTew+7cmQ+Mc1pTBLKH2puKsOvhm32dROumOZ655zB8=
 github.com/pion/logging v0.2.4/go.mod h1:DffhXTKYdNZU+KtJ5pyQDjvOAh/GsNSyv1lbkFbe3so=
 github.com/pion/randutil v0.1.0 h1:CFG1UdESneORglEsnimhUjf33Rwjubwj6xfiOXBa3mA=
 github.com/pion/randutil v0.1.0/go.mod h1:XcJrSMMbbMRhASFVOlj/5hQial/Y8oH/HVo7TBZq+j8=
-github.com/pion/rtcp v1.2.15 h1:LZQi2JbdipLOj4eBjK4wlVoQWfrZbh3Q6eHtWtJBZBo=
-github.com/pion/rtcp v1.2.15/go.mod h1:jlGuAjHMEXwMUHK78RgX0UmEJFV4zUKOFHR7OP+D3D0=
 github.com/pion/rtcp v1.2.16 h1:fk1B1dNW4hsI78XUCljZJlC4kZOPk67mNRuQ0fcEkSo=
 github.com/pion/rtcp v1.2.16/go.mod h1:/as7VKfYbs5NIb4h6muQ35kQF/J0ZVNz2Z3xKoCBYOo=
-github.com/pion/rtp v1.8.18 h1:yEAb4+4a8nkPCecWzQB6V/uEU18X1lQCGAQCjP+pyvU=
-github.com/pion/rtp v1.8.18/go.mod h1:bAu2UFKScgzyFqvUKmbvzSdPr+NGbZtv6UB2hesqXBk=
 github.com/pion/rtp v1.8.26 h1:VB+ESQFQhBXFytD+Gk8cxB6dXeVf2WQzg4aORvAvAAc=
 github.com/pion/rtp v1.8.26/go.mod h1:rF5nS1GqbR7H/TCpKwylzeq6yDM+MM6k+On5EgeThEM=
-github.com/pion/srtp/v3 v3.0.6 h1:E2gyj1f5X10sB/qILUGIkL4C2CqK269Xq167PbGCc/4=
-github.com/pion/srtp/v3 v3.0.6/go.mod h1:BxvziG3v/armJHAaJ87euvkhHqWe9I7iiOy50K2QkhY=
 github.com/pion/srtp/v3 v3.0.9 h1:lRGF4G61xxj+m/YluB3ZnBpiALSri2lTzba0kGZMrQY=
 github.com/pion/srtp/v3 v3.0.9/go.mod h1:E+AuWd7Ug2Fp5u38MKnhduvpVkveXJX6J4Lq4rxUYt8=
-github.com/pion/transport/v3 v3.0.7 h1:iRbMH05BzSNwhILHoBoAPxoB9xQgOaJk+591KC9P1o0=
-github.com/pion/transport/v3 v3.0.7/go.mod h1:YleKiTZ4vqNxVwh77Z0zytYi7rXHl7j6uPLGhhz9rwo=
 github.com/pion/transport/v3 v3.1.1 h1:Tr684+fnnKlhPceU+ICdrw6KKkTms+5qHMgw6bIkYOM=
 github.com/pion/transport/v3 v3.1.1/go.mod h1:+c2eewC5WJQHiAA46fkMMzoYZSuGzA/7E2FPrOYHctQ=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
@@ -86,8 +76,8 @@ github.com/urfave/cli/v3 v3.6.1 h1:j8Qq8NyUawj/7rTYdBGrxcH7A/j7/G8Q5LhWEW4G3Mo=
 github.com/urfave/cli/v3 v3.6.1/go.mod h1:ysVLtOEmg2tOy6PknnYVhDoouyC/6N42TMeoMzskhso=
 github.com/zaf/g711 v1.4.0 h1:XZYkjjiAg9QTBnHqEg37m2I9q3IIDv5JRYXs2N8ma7c=
 github.com/zaf/g711 v1.4.0/go.mod h1:eCDXt3dSp/kYYAoooba7ukD/Q75jvAaS4WOMr0l1Roo=
-gitlab.com/gomidi/midi/v2 v2.3.16 h1:yufWSENyjnJ4LFQa9BerzUm4E4aLfTyzw5nmnCteO0c=
+gitlab.com/gomidi/midi/v2 v2.3.18 h1:sj2fOhtvOe+zI8YJe8qTxLw5zv0ntULLUDwcFOaZQbI=
-gitlab.com/gomidi/midi/v2 v2.3.16/go.mod h1:jDpP4O4skYi+7iVwt6Zyp18bd2M4hkjtMuw2cmgKgfw=
+gitlab.com/gomidi/midi/v2 v2.3.18/go.mod h1:jDpP4O4skYi+7iVwt6Zyp18bd2M4hkjtMuw2cmgKgfw=
 go.bug.st/serial v1.6.4 h1:7FmqNPgVp3pu2Jz5PoPtbZ9jJO5gnEnZIvnI1lzve8A=
 go.bug.st/serial v1.6.4/go.mod h1:nofMJxTeNVny/m6+KaafC6vJGj3miwQZ6vW4BZUGJPI=
 go.yaml.in/yaml/v2 v2.4.2 h1:DzmwEr2rDGHl7lsFgAHxmNz/1NlQ7xLIrlN2h5d1eGI=

internal/module/http-client.go

@@ -2,7 +2,7 @@ package module
 
 import (
 	"context"
-	"fmt"
+	"errors"
 	"log/slog"
 	"net/http"
 	"time"
@@ -16,6 +16,7 @@ type HTTPClient struct {
 	ctx    context.Context
 	client *http.Client
 	router route.RouteIO
+	logger *slog.Logger
 }
 
 func init() {
@@ -23,7 +24,7 @@ func init() {
 		Type: "http.client",
 		New: func(ctx context.Context, config config.ModuleConfig, router route.RouteIO) (Module, error) {
 
-			return &HTTPClient{config: config, ctx: ctx, router: router}, nil
+			return &HTTPClient{config: config, ctx: ctx, router: router, logger: slog.Default().With("component", "module", "id", config.Id)}, nil
 		},
 	})
 }
@@ -43,7 +44,7 @@ func (hc *HTTPClient) Run() error {
 	}
 
 	<-hc.ctx.Done()
-	slog.Debug("router context done in module", "id", hc.Id())
+	hc.logger.Debug("router context done in module")
 	return nil
 }
 
@@ -52,11 +53,11 @@ func (hc *HTTPClient) Output(payload any) error {
 	payloadRequest, ok := payload.(*http.Request)
 
 	if !ok {
-		return fmt.Errorf("http.client is only able to output an http.Request")
+		return errors.New("http.client is only able to output an http.Request")
 	}
 
 	if hc.client == nil {
-		return fmt.Errorf("http.client client is nil")
+		return errors.New("http.client client is nil")
 	}
 
 	response, err := hc.client.Do(payloadRequest)

internal/module/http-server.go

@@ -3,6 +3,7 @@ package module
 import (
 	"context"
 	"encoding/json"
+	"errors"
 	"fmt"
 	"log/slog"
 	"net/http"
@@ -16,6 +17,7 @@ type HTTPServer struct {
 	Port   uint16
 	ctx    context.Context
 	router route.RouteIO
+	logger *slog.Logger
 }
 
 type ResponseData struct {
@@ -30,16 +32,16 @@ func init() {
 			params := config.Params
 			port, ok := params["port"]
 			if !ok {
-				return nil, fmt.Errorf("http.server requires a port parameter")
+				return nil, errors.New("http.server requires a port parameter")
 			}
 
 			portNum, ok := port.(float64)
 
 			if !ok {
-				return nil, fmt.Errorf("http.server port must be uint16")
+				return nil, errors.New("http.server port must be uint16")
 			}
 
-			return &HTTPServer{Port: uint16(portNum), config: config, ctx: ctx, router: router}, nil
+			return &HTTPServer{Port: uint16(portNum), config: config, ctx: ctx, router: router, logger: slog.Default().With("component", "module", "id", config.Id)}, nil
 		},
 	})
 }
@@ -89,12 +91,11 @@ func (hs *HTTPServer) Run() error {
 
 	go func() {
 		<-hs.ctx.Done()
-		slog.Debug("router context done in module", "id", hs.Id())
+		hs.logger.Debug("router context done in module")
 		httpServer.Close()
 	}()
 
 	err := httpServer.ListenAndServe()
-	slog.Debug("http.server closed", "id", hs.Id())
 	// TODO(jwetzell): handle server closed error differently
 	if err != nil {
 		return err
@@ -105,5 +106,5 @@ func (hs *HTTPServer) Run() error {
 }
 
 func (hs *HTTPServer) Output(payload any) error {
-	return fmt.Errorf("http.server output is not implemented")
+	return errors.New("http.server output is not implemented")
 }

internal/module/interval.go

@@ -2,7 +2,7 @@ package module
 
 import (
 	"context"
-	"fmt"
+	"errors"
 	"log/slog"
 	"time"
 
@@ -16,6 +16,7 @@ type Interval struct {
 	ctx      context.Context
 	router   route.RouteIO
 	ticker   *time.Ticker
+	logger   *slog.Logger
 }
 
 func init() {
@@ -26,16 +27,16 @@ func init() {
 
 			duration, ok := params["duration"]
 			if !ok {
-				return nil, fmt.Errorf("gen.interval requires a duration parameter")
+				return nil, errors.New("gen.interval requires a duration parameter")
 			}
 
 			durationNum, ok := duration.(float64)
 
 			if !ok {
-				return nil, fmt.Errorf("gen.interval duration must be number")
+				return nil, errors.New("gen.interval duration must be number")
 			}
 
-			return &Interval{Duration: uint32(durationNum), config: config, ctx: ctx, router: router}, nil
+			return &Interval{Duration: uint32(durationNum), config: config, ctx: ctx, router: router, logger: slog.Default().With("component", "module", "id", config.Id)}, nil
 		},
 	})
 }
@@ -56,7 +57,7 @@ func (i *Interval) Run() error {
 	for {
 		select {
 		case <-i.ctx.Done():
-			slog.Debug("router context done in module", "id", i.Id())
+			i.logger.Debug("router context done in module")
 			return nil
 		case <-ticker.C:
 			if i.router != nil {

internal/module/midi-client.go

@@ -1,119 +0,0 @@
-//go:build cgo
-
-package module
-
-import (
-	"context"
-	"fmt"
-	"log/slog"
-
-	"github.com/jwetzell/showbridge-go/internal/config"
-	"github.com/jwetzell/showbridge-go/internal/route"
-	"gitlab.com/gomidi/midi/v2"
-	_ "gitlab.com/gomidi/midi/v2/drivers/rtmididrv"
-)
-
-type MIDIClient struct {
-	config     config.ModuleConfig
-	ctx        context.Context
-	router     route.RouteIO
-	InputPort  string
-	OutputPort string
-	SendFunc   func(midi.Message) error
-}
-
-func init() {
-	RegisterModule(ModuleRegistration{
-		//TODO(jwetzell): find a better namespace than "misc"
-		Type: "midi.client",
-		New: func(ctx context.Context, config config.ModuleConfig, router route.RouteIO) (Module, error) {
-			params := config.Params
-			input, ok := params["input"]
-
-			if !ok {
-				return nil, fmt.Errorf("midi.client requires a input parameter")
-			}
-
-			inputString, ok := input.(string)
-
-			if !ok {
-				return nil, fmt.Errorf("midi.client input must be a string")
-			}
-
-			output, ok := params["output"]
-
-			if !ok {
-				return nil, fmt.Errorf("midi.client requires a output parameter")
-			}
-
-			outputString, ok := output.(string)
-
-			if !ok {
-				return nil, fmt.Errorf("midi.client output must be a string")
-			}
-
-			return &MIDIClient{config: config, InputPort: inputString, OutputPort: outputString, ctx: ctx, router: router}, nil
-		},
-	})
-}
-
-func (mc *MIDIClient) Id() string {
-	return mc.config.Id
-}
-
-func (mc *MIDIClient) Type() string {
-	return mc.config.Type
-}
-
-func (mc *MIDIClient) Run() error {
-	defer midi.CloseDriver()
-
-	in, err := midi.FindInPort(mc.InputPort)
-	if err != nil {
-		return fmt.Errorf("midi.client can't find input port: %s", mc.InputPort)
-	}
-
-	stop, err := midi.ListenTo(in, func(msg midi.Message, timestampms int32) {
-		if mc.router != nil {
-			// TODO(jwetzell): unpack MIDI messsage into something more useful?
-			mc.router.HandleInput(mc.Id(), msg)
-		}
-	}, midi.UseSysEx())
-
-	if err != nil {
-		return err
-	}
-
-	defer stop()
-
-	out, err := midi.FindOutPort(mc.OutputPort)
-
-	if err != nil {
-		return fmt.Errorf("midi.client can't find output port: %s", mc.OutputPort)
-	}
-
-	send, err := midi.SendTo(out)
-	if err != nil {
-		return err
-	}
-
-	mc.SendFunc = send
-
-	<-mc.ctx.Done()
-	slog.Debug("router context done in module", "id", mc.Id())
-	return nil
-}
-
-func (mc *MIDIClient) Output(payload any) error {
-	if mc.SendFunc == nil {
-		return fmt.Errorf("midi.client output is not setup")
-	}
-
-	payloadMessage, ok := payload.(midi.Message)
-
-	if !ok {
-		return fmt.Errorf("midi.client can only ouptut midi.Message")
-	}
-
-	return mc.SendFunc(payloadMessage)
-}

internal/module/midi-input.go

@@ -0,0 +1,83 @@
+//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(ctx context.Context, config config.ModuleConfig, router route.RouteIO) (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, ctx: ctx, router: router, logger: slog.Default().With("component", "module", "id", config.Id)}, nil
+		},
+	})
+}
+
+func (mi *MIDIInput) Id() string {
+	return mi.config.Id
+}
+
+func (mi *MIDIInput) Type() string {
+	return mi.config.Type
+}
+
+func (mi *MIDIInput) Run() error {
+	defer midi.CloseDriver()
+
+	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.Id(), msg)
+		}
+	}, midi.UseSysEx())
+
+	if err != nil {
+		return err
+	}
+
+	defer stop()
+
+	<-mi.ctx.Done()
+	mi.logger.Debug("router context done in module")
+	return nil
+}
+
+func (mi *MIDIInput) Output(payload any) error {
+	return errors.New("midi.input output is not implemented")
+}

internal/module/midi-ouptut.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 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(ctx context.Context, config config.ModuleConfig, router route.RouteIO) (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, ctx: ctx, router: router, logger: slog.Default().With("component", "module", "id", config.Id)}, nil
+		},
+	})
+}
+
+func (mo *MIDIOutput) Id() string {
+	return mo.config.Id
+}
+
+func (mo *MIDIOutput) Type() string {
+	return mo.config.Type
+}
+
+func (mo *MIDIOutput) Run() error {
+	defer midi.CloseDriver()
+
+	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("router context done in module")
+	return nil
+}
+
+func (mo *MIDIOutput) Output(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/mqtt-client.go

@@ -2,6 +2,7 @@ package module
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"log/slog"
 
@@ -18,6 +19,7 @@ type MQTTClient struct {
 	ClientID string
 	Topic    string
 	client   mqtt.Client
+	logger   *slog.Logger
 }
 
 func init() {
@@ -28,40 +30,40 @@ func init() {
 			broker, ok := params["broker"]
 
 			if !ok {
-				return nil, fmt.Errorf("mqtt.client requires a broker parameter")
+				return nil, errors.New("mqtt.client requires a broker parameter")
 			}
 
 			brokerString, ok := broker.(string)
 
 			if !ok {
-				return nil, fmt.Errorf("mqtt.client broker must be string")
+				return nil, errors.New("mqtt.client broker must be string")
 			}
 
 			topic, ok := params["topic"]
 
 			if !ok {
-				return nil, fmt.Errorf("mqtt.client requires a topic parameter")
+				return nil, errors.New("mqtt.client requires a topic parameter")
 			}
 
 			topicString, ok := topic.(string)
 
 			if !ok {
-				return nil, fmt.Errorf("mqtt.client topic must be string")
+				return nil, errors.New("mqtt.client topic must be string")
 			}
 
 			clientId, ok := params["clientId"]
 
 			if !ok {
-				return nil, fmt.Errorf("mqtt.client requires a clientId parameter")
+				return nil, errors.New("mqtt.client requires a clientId parameter")
 			}
 
 			clientIdString, ok := clientId.(string)
 
 			if !ok {
-				return nil, fmt.Errorf("mqtt.client clientId must be string")
+				return nil, errors.New("mqtt.client clientId must be string")
 			}
 
-			return &MQTTClient{config: config, Broker: brokerString, Topic: topicString, ClientID: clientIdString, ctx: ctx, router: router}, nil
+			return &MQTTClient{config: config, Broker: brokerString, Topic: topicString, ClientID: clientIdString, ctx: ctx, router: router, logger: slog.Default().With("component", "module", "id", config.Id)}, nil
 		},
 	})
 }
@@ -99,7 +101,7 @@ func (mc *MQTTClient) Run() error {
 	}
 
 	<-mc.ctx.Done()
-	slog.Debug("router context done in module", "id", mc.Id())
+	mc.logger.Debug("router context done in module")
 	return nil
 }
 
@@ -109,15 +111,15 @@ func (mc *MQTTClient) Output(payload any) error {
 	fmt.Printf("payload type: %T\n", payload)
 
 	if !ok {
-		return fmt.Errorf("mqtt.client is only able to output a MQTTMessage")
+		return errors.New("mqtt.client is only able to output a MQTTMessage")
 	}
 
 	if mc.client == nil {
-		return fmt.Errorf("mqtt.client client is not setup")
+		return errors.New("mqtt.client client is not setup")
 	}
 
 	if !mc.client.IsConnected() {
-		return fmt.Errorf("mqtt.client is not connected")
+		return errors.New("mqtt.client is not connected")
 	}
 
 	token := mc.client.Publish(payloadMessage.Topic(), payloadMessage.Qos(), payloadMessage.Retained(), payloadMessage.Payload())

internal/module/nats-client.go

@@ -2,7 +2,7 @@ package module
 
 import (
 	"context"
-	"fmt"
+	"errors"
 	"log/slog"
 
 	"github.com/jwetzell/showbridge-go/internal/config"
@@ -18,6 +18,7 @@ type NATSClient struct {
 	URL     string
 	Subject string
 	client  *nats.Conn
+	logger  *slog.Logger
 }
 
 func init() {
@@ -28,28 +29,28 @@ func init() {
 			url, ok := params["url"]
 
 			if !ok {
-				return nil, fmt.Errorf("nats.client requires a url parameter")
+				return nil, errors.New("nats.client requires a url parameter")
 			}
 
 			urlString, ok := url.(string)
 
 			if !ok {
-				return nil, fmt.Errorf("nats.client url must be string")
+				return nil, errors.New("nats.client url must be string")
 			}
 
 			subject, ok := params["subject"]
 
 			if !ok {
-				return nil, fmt.Errorf("nats.client requires a subject parameter")
+				return nil, errors.New("nats.client requires a subject parameter")
 			}
 
 			subjectString, ok := subject.(string)
 
 			if !ok {
-				return nil, fmt.Errorf("nats.client subject must be string")
+				return nil, errors.New("nats.client subject must be string")
 			}
 
-			return &NATSClient{config: config, URL: urlString, Subject: subjectString, ctx: ctx, router: router}, nil
+			return &NATSClient{config: config, URL: urlString, Subject: subjectString, ctx: ctx, router: router, logger: slog.Default().With("component", "module", "id", config.Id)}, nil
 		},
 	})
 }
@@ -87,7 +88,7 @@ func (nc *NATSClient) Run() error {
 	defer sub.Unsubscribe()
 
 	<-nc.ctx.Done()
-	slog.Debug("router context done in module", "id", nc.Id())
+	nc.logger.Debug("router context done in module")
 	return nil
 }
 
@@ -96,15 +97,15 @@ func (nc *NATSClient) Output(payload any) error {
 	payloadMessage, ok := payload.(processor.NATSMessage)
 
 	if !ok {
-		return fmt.Errorf("nats.client is only able to output NATSMessage")
+		return errors.New("nats.client is only able to output NATSMessage")
 	}
 
 	if nc.client == nil {
-		return fmt.Errorf("nats.client client is not setup")
+		return errors.New("nats.client client is not setup")
 	}
 
 	if !nc.client.IsConnected() {
-		return fmt.Errorf("nats.client is not connected")
+		return errors.New("nats.client is not connected")
 	}
 
 	err := nc.client.Publish(payloadMessage.Subject, payloadMessage.Payload)

internal/module/psn-client.go

@@ -18,6 +18,7 @@ type PSNClient struct {
 	ctx     context.Context
 	router  route.RouteIO
 	decoder *psn.Decoder
+	logger  *slog.Logger
 }
 
 func init() {
@@ -25,7 +26,7 @@ func init() {
 		Type: "psn.client",
 		New: func(ctx context.Context, config config.ModuleConfig, router route.RouteIO) (Module, error) {
 
-			return &PSNClient{config: config, decoder: psn.NewDecoder(), ctx: ctx, router: router}, nil
+			return &PSNClient{config: config, decoder: psn.NewDecoder(), ctx: ctx, router: router, logger: slog.Default().With("component", "module", "id", config.Id)}, nil
 		},
 	})
 }
@@ -58,7 +59,7 @@ func (pc *PSNClient) Run() error {
 		select {
 		case <-pc.ctx.Done():
 			// TODO(jwetzell): cleanup?
-			slog.Debug("router context done in module", "id", pc.Id())
+			pc.logger.Debug("router context done in module")
 			return nil
 		default:
 			pc.conn.SetDeadline(time.Now().Add(time.Millisecond * 200))
@@ -76,7 +77,7 @@ func (pc *PSNClient) Run() error {
 				message := buffer[:numBytes]
 				err := pc.decoder.Decode(message)
 				if err != nil {
-					slog.Error("psn.client problem decoding psn traffic", "id", pc.Id(), "error", err)
+					pc.logger.Error("psn.client problem decoding psn traffic", "error", err)
 				}
 
 				if pc.router != nil {
@@ -84,7 +85,7 @@ func (pc *PSNClient) Run() error {
 						pc.router.HandleInput(pc.Id(), tracker)
 					}
 				} else {
-					slog.Error("psn.client has no router", "id", pc.Id())
+					pc.logger.Error("psn.client has no router")
 				}
 			}
 		}

internal/module/serial-client.go

@@ -4,6 +4,7 @@ package module
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"log/slog"
 	"time"
@@ -22,24 +23,24 @@ type SerialClient struct {
 	Framer framer.Framer
 	Mode   *serial.Mode
 	port   serial.Port
+	logger *slog.Logger
 }
 
 func init() {
 	RegisterModule(ModuleRegistration{
-		//TODO(jwetzell): find a better namespace than "misc"
 		Type: "serial.client",
 		New: func(ctx context.Context, config config.ModuleConfig, router route.RouteIO) (Module, error) {
 			params := config.Params
 			port, ok := params["port"]
 
 			if !ok {
-				return nil, fmt.Errorf("serial.client requires a port parameter")
+				return nil, errors.New("serial.client requires a port parameter")
 			}
 
 			portString, ok := port.(string)
 
 			if !ok {
-				return nil, fmt.Errorf("serial.client port must be a string")
+				return nil, errors.New("serial.client port must be a string")
 			}
 
 			framingMethod := "RAW"
@@ -50,7 +51,7 @@ func init() {
 				framingMethodString, ok := framingMethodRaw.(string)
 
 				if !ok {
-					return nil, fmt.Errorf("serial.client framing method must be a string")
+					return nil, errors.New("serial.client framing method must be a string")
 				}
 				framingMethod = framingMethodString
 			}
@@ -63,94 +64,94 @@ func init() {
 
 			buadRate, ok := params["baudRate"]
 			if !ok {
-				return nil, fmt.Errorf("serial.client requires a baudRate parameter")
+				return nil, errors.New("serial.client requires a baudRate parameter")
 			}
 
 			baudRateNum, ok := buadRate.(float64)
 			if !ok {
-				return nil, fmt.Errorf("serial.client baudRate must be a number")
+				return nil, errors.New("serial.client baudRate must be a number")
 			}
 
 			mode := serial.Mode{
 				BaudRate: int(baudRateNum),
 			}
 
-			return &SerialClient{config: config, Port: portString, Framer: framer, Mode: &mode, ctx: ctx, router: router}, nil
+			return &SerialClient{config: config, Port: portString, Framer: framer, Mode: &mode, ctx: ctx, router: router, logger: slog.Default().With("component", "module", "id", config.Id)}, nil
 		},
 	})
 }
 
-func (mc *SerialClient) Id() string {
+func (sc *SerialClient) Id() string {
-	return mc.config.Id
+	return sc.config.Id
 }
 
-func (mc *SerialClient) Type() string {
+func (sc *SerialClient) Type() string {
-	return mc.config.Type
+	return sc.config.Type
 }
 
-func (mc *SerialClient) SetupPort() error {
+func (sc *SerialClient) SetupPort() error {
 
-	port, err := serial.Open(mc.Port, mc.Mode)
+	port, err := serial.Open(sc.Port, sc.Mode)
 	if err != nil {
-		return fmt.Errorf("serial.client can't open input port: %s", mc.Port)
+		return fmt.Errorf("serial.client can't open input port: %s", sc.Port)
 	}
 
-	mc.port = port
+	sc.port = port
 
 	return nil
 }
 
-func (mc *SerialClient) Run() error {
+func (sc *SerialClient) Run() error {
 
 	// TODO(jwetzell): shutdown with router.Context properly
 	go func() {
-		<-mc.ctx.Done()
+		<-sc.ctx.Done()
-		slog.Debug("router context done in module", "id", mc.Id())
+		sc.logger.Debug("router context done in module")
-		if mc.port != nil {
+		if sc.port != nil {
-			mc.port.Close()
+			sc.port.Close()
 		}
 	}()
 
 	for {
-		err := mc.SetupPort()
+		err := sc.SetupPort()
 		if err != nil {
-			if mc.ctx.Err() != nil {
+			if sc.ctx.Err() != nil {
-				slog.Debug("router context done in module", "id", mc.Id())
+				sc.logger.Debug("router context done in module")
 				return nil
 			}
-			slog.Error("serial.client", "id", mc.Id(), "error", err.Error())
+			sc.logger.Error("serial.client", "error", err.Error())
 			time.Sleep(time.Second * 2)
 			continue
 		}
 
 		buffer := make([]byte, 1024)
 		select {
-		case <-mc.ctx.Done():
+		case <-sc.ctx.Done():
-			slog.Debug("router context done in module", "id", mc.Id())
+			sc.logger.Debug("router context done in module")
 			return nil
 		default:
 		READ:
 			for {
 				select {
-				case <-mc.ctx.Done():
+				case <-sc.ctx.Done():
-					slog.Debug("router context done in module", "id", mc.Id())
+					sc.logger.Debug("router context done in module")
 					return nil
 				default:
-					byteCount, err := mc.port.Read(buffer)
+					byteCount, err := sc.port.Read(buffer)
 
 					if err != nil {
-						mc.Framer.Clear()
+						sc.Framer.Clear()
 						break READ
 					}
 
-					if mc.Framer != nil {
+					if sc.Framer != nil {
 						if byteCount > 0 {
-							messages := mc.Framer.Decode(buffer[0:byteCount])
+							messages := sc.Framer.Decode(buffer[0:byteCount])
 							for _, message := range messages {
-								if mc.router != nil {
+								if sc.router != nil {
-									mc.router.HandleInput(mc.Id(), message)
+									sc.router.HandleInput(sc.Id(), message)
 								} else {
-									slog.Error("serial.client has no router", "id", mc.Id())
+									sc.logger.Error("serial.client has no router")
 								}
 							}
 						}
@@ -161,14 +162,14 @@ func (mc *SerialClient) Run() error {
 	}
 }
 
-func (mc *SerialClient) Output(payload any) error {
+func (sc *SerialClient) Output(payload any) error {
 
 	payloadBytes, ok := payload.([]byte)
 
 	if !ok {
-		return fmt.Errorf("serial.client can only ouptut bytes")
+		return errors.New("serial.client can only ouptut bytes")
 	}
 
-	_, err := mc.port.Write(mc.Framer.Encode(payloadBytes))
+	_, err := sc.port.Write(sc.Framer.Encode(payloadBytes))
 	return err
 }

internal/module/sip-call-server.go

@@ -2,6 +2,7 @@ package module
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"io"
 	"log/slog"
@@ -24,6 +25,7 @@ type SIPCallServer struct {
 	Transport string
 	UserAgent string
 	dg        *diago.Diago
+	logger    *slog.Logger
 }
 
 type SIPCallMessage struct {
@@ -42,7 +44,7 @@ func init() {
 				specificPortNum, ok := port.(float64)
 
 				if !ok {
-					return nil, fmt.Errorf("sip.call.server port must be a number")
+					return nil, errors.New("sip.call.server port must be a number")
 				}
 				portNum = int(specificPortNum)
 			}
@@ -55,7 +57,7 @@ func init() {
 				specificIpString, ok := ip.(string)
 
 				if !ok {
-					return nil, fmt.Errorf("sip.call.server ip must be a string")
+					return nil, errors.New("sip.call.server ip must be a string")
 				}
 				ipString = specificIpString
 			}
@@ -68,7 +70,7 @@ func init() {
 				specificTransportString, ok := transport.(string)
 
 				if !ok {
-					return nil, fmt.Errorf("sip.call.server transport must be a string")
+					return nil, errors.New("sip.call.server transport must be a string")
 				}
 				transportString = specificTransportString
 			}
@@ -81,28 +83,28 @@ func init() {
 				specificTransportString, ok := userAgent.(string)
 
 				if !ok {
-					return nil, fmt.Errorf("sip.call.server userAgent must be a string")
+					return nil, errors.New("sip.call.server userAgent must be a string")
 				}
 				userAgentString = specificTransportString
 			}
-			return &SIPCallServer{config: config, ctx: ctx, router: router, IP: ipString, Port: int(portNum), Transport: transportString, UserAgent: userAgentString}, nil
+			return &SIPCallServer{config: config, ctx: ctx, router: router, IP: ipString, Port: int(portNum), Transport: transportString, UserAgent: userAgentString, logger: slog.Default().With("component", "module", "id", config.Id)}, nil
 		},
 	})
 }
 
-func (sds *SIPCallServer) Id() string {
+func (scs *SIPCallServer) Id() string {
-	return sds.config.Id
+	return scs.config.Id
 }
 
-func (sds *SIPCallServer) Type() string {
+func (scs *SIPCallServer) Type() string {
-	return sds.config.Type
+	return scs.config.Type
 }
 
-func (sds *SIPCallServer) Run() error {
+func (scs *SIPCallServer) Run() error {
 	diagoLogger := slog.New(slog.NewJSONHandler(io.Discard, nil))
 
 	ua, _ := sipgo.NewUA(
-		sipgo.WithUserAgent(sds.UserAgent),
+		sipgo.WithUserAgent(scs.UserAgent),
 		sipgo.WithUserAgentTransportLayerOptions(sip.WithTransportLayerLogger(diagoLogger)),
 		sipgo.WithUserAgentTransactionLayerOptions(sip.WithTransactionLayerLogger(diagoLogger)),
 	)
@@ -112,74 +114,74 @@ func (sds *SIPCallServer) Run() error {
 	media.SetDefaultLogger(diagoLogger)
 	dg := diago.NewDiago(ua, diago.WithLogger(diagoLogger), diago.WithTransport(
 		diago.Transport{
-			Transport: sds.Transport,
+			Transport: scs.Transport,
-			BindHost:  sds.IP,
+			BindHost:  scs.IP,
-			BindPort:  sds.Port,
+			BindPort:  scs.Port,
 		},
 	))
 
 	go func() {
-		dg.Serve(sds.ctx, func(inDialog *diago.DialogServerSession) {
+		dg.Serve(scs.ctx, func(inDialog *diago.DialogServerSession) {
-			sds.HandleCall(inDialog)
+			scs.HandleCall(inDialog)
 		})
 	}()
 
-	sds.dg = dg
+	scs.dg = dg
 
-	<-sds.ctx.Done()
+	<-scs.ctx.Done()
-	slog.Debug("router context done in module", "id", sds.Id())
+	scs.logger.Debug("router context done in module")
 	return nil
 }
 
-func (sds *SIPCallServer) HandleCall(inDialog *diago.DialogServerSession) {
+func (scs *SIPCallServer) HandleCall(inDialog *diago.DialogServerSession) {
 	inDialog.Trying()
 	inDialog.Ringing()
 	inDialog.Answer()
-	sds.router.HandleInput(sds.Id(), SIPCallMessage{
+	scs.router.HandleInput(scs.Id(), SIPCallMessage{
 		To: inDialog.ToUser(),
 	})
 	<-inDialog.Context().Done()
 }
 
-func (sds *SIPCallServer) Output(payload any) error {
+func (scs *SIPCallServer) Output(payload any) error {
 
 	payloadMsg, ok := payload.(string)
 	if !ok {
-		return fmt.Errorf("sip.call.server output payload must be of type string")
+		return errors.New("sip.call.server output payload must be of type string")
 	}
 
-	if sds.dg == nil {
+	if scs.dg == nil {
-		return fmt.Errorf("sip.call.server diago is not initialized")
+		return errors.New("sip.call.server diago is not initialized")
 	}
 
 	var uri sip.Uri
 	err := sip.ParseUri(payloadMsg, &uri)
 	if err != nil {
-		return fmt.Errorf("sip.call.server output payload is not a valid SIP URI: %v", err)
+		return fmt.Errorf("sip.call.server output payload is not a valid SIP URI: %s", err)
 	}
-	outDialog, err := sds.dg.NewDialog(uri, diago.NewDialogOptions{
+	outDialog, err := scs.dg.NewDialog(uri, diago.NewDialogOptions{
-		Transport: sds.Transport,
+		Transport: scs.Transport,
 	})
 
 	if err != nil {
-		return fmt.Errorf("sip.call.server failed to create new dialog: %v", err)
+		return fmt.Errorf("sip.call.server failed to create new dialog: %s", err)
 	}
 
-	err = outDialog.Invite(sds.ctx, diago.InviteClientOptions{})
+	err = outDialog.Invite(scs.ctx, diago.InviteClientOptions{})
 	if err != nil {
-		return fmt.Errorf("sip.call.server failed to send invite: %v", err)
+		return fmt.Errorf("sip.call.server failed to send invite: %s", err)
 	}
 
-	err = outDialog.Ack(sds.ctx)
+	err = outDialog.Ack(scs.ctx)
 	if err != nil {
-		return fmt.Errorf("sip.call.server failed to send ack: %v", err)
+		return fmt.Errorf("sip.call.server failed to send ack: %s", err)
 	}
 	// TODO(jwetzell): make this configurable
 	// NOTE(jwetzell): wait 5 seconds before hanging up the call
 	time.Sleep(5 * time.Second)
-	err = outDialog.Hangup(sds.ctx)
+	err = outDialog.Hangup(scs.ctx)
 	if err != nil {
-		return fmt.Errorf("sip.call.server failed to hangup call: %v", err)
+		return fmt.Errorf("sip.call.server failed to hangup call: %s", err)
 	}
 	return nil
 }

internal/module/sip-dtmf-server.go

@@ -2,7 +2,7 @@ package module
 
 import (
 	"context"
-	"fmt"
+	"errors"
 	"io"
 	"log/slog"
 	"strings"
@@ -24,6 +24,7 @@ type SIPDTMFServer struct {
 	Port      int
 	Transport string
 	Separator string
+	logger    *slog.Logger
 }
 
 type SIPDTMFMessage struct {
@@ -43,7 +44,7 @@ func init() {
 				specificPortNum, ok := port.(float64)
 
 				if !ok {
-					return nil, fmt.Errorf("sip.dtmf.server port must be a number")
+					return nil, errors.New("sip.dtmf.server port must be a number")
 				}
 				portNum = int(specificPortNum)
 			}
@@ -56,7 +57,7 @@ func init() {
 				specificIpString, ok := ip.(string)
 
 				if !ok {
-					return nil, fmt.Errorf("sip.dtmf.server ip must be a string")
+					return nil, errors.New("sip.dtmf.server ip must be a string")
 				}
 				ipString = specificIpString
 			}
@@ -69,28 +70,28 @@ func init() {
 				specificTransportString, ok := transport.(string)
 
 				if !ok {
-					return nil, fmt.Errorf("sip.dtmf.server transport must be a string")
+					return nil, errors.New("sip.dtmf.server transport must be a string")
 				}
 				transportString = specificTransportString
 			}
 
 			separator, ok := params["separator"]
 			if !ok {
-				return nil, fmt.Errorf("sip.dtmf.server requires a separator parameter")
+				return nil, errors.New("sip.dtmf.server requires a separator parameter")
 			}
 			separatorString, ok := separator.(string)
 			if !ok {
-				return nil, fmt.Errorf("sip.dtmf.server separator must be a string")
+				return nil, errors.New("sip.dtmf.server separator must be a string")
 			}
 
 			if len(separatorString) != 1 {
-				return nil, fmt.Errorf("sip.dtmf.server separator must be a single character")
+				return nil, errors.New("sip.dtmf.server separator must be a single character")
 			}
 
 			if !strings.ContainsRune("0123456789*#ABCD", rune(separatorString[0])) {
-				return nil, fmt.Errorf("sip.dtmf.server separator must be a valid DTMF character")
+				return nil, errors.New("sip.dtmf.server separator must be a valid DTMF character")
 			}
-			return &SIPDTMFServer{config: config, ctx: ctx, router: router, IP: ipString, Port: int(portNum), Transport: transportString, Separator: separatorString}, nil
+			return &SIPDTMFServer{config: config, ctx: ctx, router: router, IP: ipString, Port: int(portNum), Transport: transportString, Separator: separatorString, logger: slog.Default().With("component", "module", "id", config.Id)}, nil
 		},
 	})
 }
@@ -131,7 +132,7 @@ func (sds *SIPDTMFServer) Run() error {
 	}
 
 	<-sds.ctx.Done()
-	slog.Debug("router context done in module", "id", sds.Id())
+	sds.logger.Debug("router context done in module")
 	return nil
 }
 
@@ -159,5 +160,5 @@ func (sds *SIPDTMFServer) HandleCall(inDialog *diago.DialogServerSession) error
 }
 
 func (sds *SIPDTMFServer) Output(payload any) error {
-	return fmt.Errorf("sip.dtmf.server output is not implemented")
+	return errors.New("sip.dtmf.server output is not implemented")
 }

internal/module/tcp-client.go

@@ -2,6 +2,7 @@ package module
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"log/slog"
 	"net"
@@ -19,6 +20,7 @@ type TCPClient struct {
 	ctx    context.Context
 	router route.RouteIO
 	Addr   *net.TCPAddr
+	logger *slog.Logger
 }
 
 func init() {
@@ -29,24 +31,24 @@ func init() {
 			host, ok := params["host"]
 
 			if !ok {
-				return nil, fmt.Errorf("net.tcp.client requires a host parameter")
+				return nil, errors.New("net.tcp.client requires a host parameter")
 			}
 
 			hostString, ok := host.(string)
 
 			if !ok {
-				return nil, fmt.Errorf("net.tcp.client host must be string")
+				return nil, errors.New("net.tcp.client host must be string")
 			}
 
 			port, ok := params["port"]
 			if !ok {
-				return nil, fmt.Errorf("net.tcp.client requires a port parameter")
+				return nil, errors.New("net.tcp.client requires a port parameter")
 			}
 
 			portNum, ok := port.(float64)
 
 			if !ok {
-				return nil, fmt.Errorf("net.tcp.client port must be a number")
+				return nil, errors.New("net.tcp.client port must be a number")
 			}
 
 			addr, err := net.ResolveTCPAddr("tcp", fmt.Sprintf("%s:%d", hostString, uint16(portNum)))
@@ -62,7 +64,7 @@ func init() {
 				framingMethodString, ok := framingMethodRaw.(string)
 
 				if !ok {
-					return nil, fmt.Errorf("misc.serial.client framing method must be a string")
+					return nil, errors.New("misc.serial.client framing method must be a string")
 				}
 				framingMethod = framingMethodString
 			}
@@ -73,7 +75,7 @@ func init() {
 				return nil, err
 			}
 
-			return &TCPClient{framer: framer, Addr: addr, config: config, ctx: ctx, router: router}, nil
+			return &TCPClient{framer: framer, Addr: addr, config: config, ctx: ctx, router: router, logger: slog.Default().With("component", "module", "id", config.Id)}, nil
 		},
 	})
 }
@@ -91,7 +93,7 @@ func (tc *TCPClient) Run() error {
 	// TODO(jwetzell): shutdown with router.Context properly
 	go func() {
 		<-tc.ctx.Done()
-		slog.Debug("router context done in module", "id", tc.Id())
+		tc.logger.Debug("router context done in module")
 		if tc.conn != nil {
 			tc.conn.Close()
 		}
@@ -101,10 +103,10 @@ func (tc *TCPClient) Run() error {
 		err := tc.SetupConn()
 		if err != nil {
 			if tc.ctx.Err() != nil {
-				slog.Debug("router context done in module", "id", tc.Id())
+				tc.logger.Debug("router context done in module")
 				return nil
 			}
-			slog.Error("net.tcp.client", "id", tc.Id(), "error", err.Error())
+			tc.logger.Error("net.tcp.client", "error", err.Error())
 			time.Sleep(time.Second * 2)
 			continue
 		}
@@ -112,14 +114,14 @@ func (tc *TCPClient) Run() error {
 		buffer := make([]byte, 1024)
 		select {
 		case <-tc.ctx.Done():
-			slog.Debug("router context done in module", "id", tc.Id())
+			tc.logger.Debug("router context done in module")
 			return nil
 		default:
 		READ:
 			for {
 				select {
 				case <-tc.ctx.Done():
-					slog.Debug("router context done in module", "id", tc.Id())
+					tc.logger.Debug("router context done in module")
 					return nil
 				default:
 					byteCount, err := tc.conn.Read(buffer)
@@ -136,7 +138,7 @@ func (tc *TCPClient) Run() error {
 								if tc.router != nil {
 									tc.router.HandleInput(tc.Id(), message)
 								} else {
-									slog.Error("net.tcp.client has no router", "id", tc.Id())
+									tc.logger.Error("net.tcp.client has no router")
 								}
 							}
 						}
@@ -163,7 +165,7 @@ func (tc *TCPClient) Output(payload any) error {
 	}
 	payloadBytes, ok := payload.([]byte)
 	if !ok {
-		return fmt.Errorf("net.tcp.client is only able to output bytes")
+		return errors.New("net.tcp.client is only able to output bytes")
 	}
 	_, err := tc.conn.Write(tc.framer.Encode(payloadBytes))
 	return err

internal/module/tcp-server.go

@@ -26,6 +26,7 @@ type TCPServer struct {
 	wg            sync.WaitGroup
 	connections   []*net.TCPConn
 	connectionsMu sync.RWMutex
+	logger        *slog.Logger
 }
 
 func init() {
@@ -35,13 +36,13 @@ func init() {
 			params := config.Params
 			port, ok := params["port"]
 			if !ok {
-				return nil, fmt.Errorf("net.tcp.server requires a port parameter")
+				return nil, errors.New("net.tcp.server requires a port parameter")
 			}
 
 			portNum, ok := port.(float64)
 
 			if !ok {
-				return nil, fmt.Errorf("net.tcp.server port must be a number")
+				return nil, errors.New("net.tcp.server port must be a number")
 			}
 
 			framingMethod := "RAW"
@@ -52,7 +53,7 @@ func init() {
 				framingMethodString, ok := framingMethodRaw.(string)
 
 				if !ok {
-					return nil, fmt.Errorf("misc.serial.client framing method must be a string")
+					return nil, errors.New("misc.serial.client framing method must be a string")
 				}
 				framingMethod = framingMethodString
 			}
@@ -71,7 +72,7 @@ func init() {
 				specificIpString, ok := ip.(string)
 
 				if !ok {
-					return nil, fmt.Errorf("net.tcp.server ip must be a string")
+					return nil, errors.New("net.tcp.server ip must be a string")
 				}
 				ipString = specificIpString
 			}
@@ -81,7 +82,7 @@ func init() {
 				return nil, err
 			}
 
-			return &TCPServer{Framer: framer, Addr: addr, config: config, quit: make(chan interface{}), ctx: ctx, router: router}, nil
+			return &TCPServer{Framer: framer, Addr: addr, config: config, quit: make(chan interface{}), ctx: ctx, router: router, logger: slog.Default().With("component", "module", "id", config.Id)}, nil
 		},
 	})
 }
@@ -98,7 +99,7 @@ func (ts *TCPServer) handleClient(client *net.TCPConn) {
 	ts.connectionsMu.Lock()
 	ts.connections = append(ts.connections, client)
 	ts.connectionsMu.Unlock()
-	slog.Debug("net.tcp.server connection accepted", "id", ts.Id(), "remoteAddr", client.RemoteAddr().String())
+	ts.logger.Debug("net.tcp.server connection accepted", "remoteAddr", client.RemoteAddr().String())
 	defer client.Close()
 
 	buffer := make([]byte, 1024)
@@ -125,7 +126,7 @@ ClientRead:
 								break
 							}
 						}
-						slog.Debug("net.tcp.server connection reset", "id", ts.Id(), "remoteAddr", client.RemoteAddr().String())
+						ts.logger.Debug("net.tcp.server connection reset", "remoteAddr", client.RemoteAddr().String())
 						ts.connectionsMu.Unlock()
 					}
 				}
@@ -138,7 +139,7 @@ ClientRead:
 							break
 						}
 					}
-					slog.Debug("net.tcp.server stream ended", "id", ts.Id(), "remoteAddr", client.RemoteAddr().String())
+					ts.logger.Debug("net.tcp.server stream ended", "remoteAddr", client.RemoteAddr().String())
 					ts.connectionsMu.Unlock()
 				}
 				return
@@ -150,7 +151,7 @@ ClientRead:
 						if ts.router != nil {
 							ts.router.HandleInput(ts.Id(), message)
 						} else {
-							slog.Error("net.tcp.server has no router", "id", ts.Id())
+							ts.logger.Error("net.tcp.server has no router")
 						}
 					}
 				}
@@ -170,7 +171,7 @@ func (ts *TCPServer) Run() error {
 		<-ts.ctx.Done()
 		close(ts.quit)
 		listener.Close()
-		slog.Debug("router context done in module", "id", ts.Id())
+		ts.logger.Debug("router context done in module")
 	}()
 
 AcceptLoop:
@@ -181,7 +182,7 @@ AcceptLoop:
 			case <-ts.quit:
 				break AcceptLoop
 			default:
-				slog.Debug("net.tcp.server problem with listener", "error", err)
+				ts.logger.Debug("net.tcp.server problem with listener", "error", err)
 			}
 		} else {
 			ts.wg.Add(1)
@@ -200,7 +201,7 @@ func (ts *TCPServer) Output(payload any) error {
 	payloadBytes, ok := payload.([]byte)
 
 	if !ok {
-		return fmt.Errorf("net.tcp.server is only able to output bytes")
+		return errors.New("net.tcp.server is only able to output bytes")
 	}
 	ts.connectionsMu.Lock()
 	errorString := ""
@@ -216,5 +217,5 @@ func (ts *TCPServer) Output(payload any) error {
 	if errorString == "" {
 		return nil
 	}
-	return fmt.Errorf("%s", errorString)
+	return fmt.Errorf("net.tcp.server error during output: %s", errorString)
 }

internal/module/timer.go

@@ -2,7 +2,7 @@ package module
 
 import (
 	"context"
-	"fmt"
+	"errors"
 	"log/slog"
 	"time"
 
@@ -16,6 +16,7 @@ type Timer struct {
 	ctx      context.Context
 	router   route.RouteIO
 	timer    *time.Timer
+	logger   *slog.Logger
 }
 
 func init() {
@@ -26,16 +27,16 @@ func init() {
 
 			duration, ok := params["duration"]
 			if !ok {
-				return nil, fmt.Errorf("gen.timer requires a duration parameter")
+				return nil, errors.New("gen.timer requires a duration parameter")
 			}
 
 			durationNum, ok := duration.(float64)
 
 			if !ok {
-				return nil, fmt.Errorf("gen.timer duration must be a number")
+				return nil, errors.New("gen.timer duration must be a number")
 			}
 
-			return &Timer{Duration: uint32(durationNum), config: config, ctx: ctx, router: router}, nil
+			return &Timer{Duration: uint32(durationNum), config: config, ctx: ctx, router: router, logger: slog.Default().With("component", "module", "id", config.Id)}, nil
 		},
 	})
 }
@@ -55,7 +56,7 @@ func (t *Timer) Run() error {
 		select {
 		case <-t.ctx.Done():
 			t.timer.Stop()
-			slog.Debug("router context done in module", "id", t.Id())
+			t.logger.Debug("router context done in module")
 			return nil
 		case time := <-t.timer.C:
 			if t.router != nil {

internal/module/udp-client.go

@@ -2,6 +2,7 @@ package module
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"log/slog"
 	"net"
@@ -17,6 +18,7 @@ type UDPClient struct {
 	conn   *net.UDPConn
 	ctx    context.Context
 	router route.RouteIO
+	logger *slog.Logger
 }
 
 func init() {
@@ -27,24 +29,24 @@ func init() {
 			host, ok := params["host"]
 
 			if !ok {
-				return nil, fmt.Errorf("net.udp.client requires a host parameter")
+				return nil, errors.New("net.udp.client requires a host parameter")
 			}
 
 			hostString, ok := host.(string)
 
 			if !ok {
-				return nil, fmt.Errorf("net.udp.client host must be a string")
+				return nil, errors.New("net.udp.client host must be a string")
 			}
 
 			port, ok := params["port"]
 			if !ok {
-				return nil, fmt.Errorf("net.udp.client requires a port parameter")
+				return nil, errors.New("net.udp.client requires a port parameter")
 			}
 
 			portNum, ok := port.(float64)
 
 			if !ok {
-				return nil, fmt.Errorf("net.udp.client port must be a number")
+				return nil, errors.New("net.udp.client port must be a number")
 			}
 
 			addr, err := net.ResolveUDPAddr("udp", fmt.Sprintf("%s:%d", hostString, uint16(portNum)))
@@ -52,7 +54,7 @@ func init() {
 				return nil, err
 			}
 
-			return &UDPClient{Addr: addr, config: config, ctx: ctx, router: router}, nil
+			return &UDPClient{Addr: addr, config: config, ctx: ctx, router: router, logger: slog.Default().With("component", "module", "id", config.Id)}, nil
 		},
 	})
 }
@@ -79,7 +81,7 @@ func (uc *UDPClient) Run() error {
 	}
 
 	<-uc.ctx.Done()
-	slog.Debug("router context done in module", "id", uc.Id())
+	uc.logger.Debug("router context done in module")
 	if uc.conn != nil {
 		uc.conn.Close()
 	}
@@ -90,7 +92,7 @@ func (uc *UDPClient) Output(payload any) error {
 
 	payloadBytes, ok := payload.([]byte)
 	if !ok {
-		return fmt.Errorf("net.udp.client is only able to output bytes")
+		return errors.New("net.udp.client is only able to output bytes")
 	}
 	if uc.conn != nil {
 		_, err := uc.conn.Write(payloadBytes)
@@ -99,7 +101,7 @@ func (uc *UDPClient) Output(payload any) error {
 			return err
 		}
 	} else {
-		return fmt.Errorf("net.udp.client client is not setup")
+		return errors.New("net.udp.client client is not setup")
 	}
 	return nil
 }

internal/module/udp-multicast.go

@@ -2,6 +2,7 @@ package module
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"log/slog"
 	"net"
@@ -17,6 +18,7 @@ type UDPMulticast struct {
 	ctx    context.Context
 	router route.RouteIO
 	Addr   *net.UDPAddr
+	logger *slog.Logger
 }
 
 func init() {
@@ -27,31 +29,31 @@ func init() {
 			ip, ok := params["ip"]
 
 			if !ok {
-				return nil, fmt.Errorf("net.udp.client requires am ip parameter")
+				return nil, errors.New("net.udp.multicast requires an ip parameter")
 			}
 
 			ipString, ok := ip.(string)
 
 			if !ok {
-				return nil, fmt.Errorf("net.udp.client ip must be a string")
+				return nil, errors.New("net.udp.multicast ip must be a string")
 			}
 
 			port, ok := params["port"]
 			if !ok {
-				return nil, fmt.Errorf("net.udp.client requires a port parameter")
+				return nil, errors.New("net.udp.multicast requires a port parameter")
 			}
 
 			portNum, ok := port.(float64)
 
 			if !ok {
-				return nil, fmt.Errorf("net.udp.client port must be a number")
+				return nil, errors.New("net.udp.multicast port must be a number")
 			}
 
 			addr, err := net.ResolveUDPAddr("udp", fmt.Sprintf("%s:%d", ipString, uint16(portNum)))
 			if err != nil {
 				return nil, err
 			}
-			return &UDPMulticast{config: config, Addr: addr, ctx: ctx, router: router}, nil
+			return &UDPMulticast{config: config, Addr: addr, ctx: ctx, router: router, logger: slog.Default().With("component", "module", "id", config.Id)}, nil
 		},
 	})
 }
@@ -79,7 +81,7 @@ func (um *UDPMulticast) Run() error {
 		select {
 		case <-um.ctx.Done():
 			// TODO(jwetzell): cleanup?
-			slog.Debug("router context done in module", "id", um.Id())
+			um.logger.Debug("router context done in module")
 			return nil
 		default:
 			um.conn.SetDeadline(time.Now().Add(time.Millisecond * 200))
@@ -99,7 +101,7 @@ func (um *UDPMulticast) Run() error {
 				if um.router != nil {
 					um.router.HandleInput(um.Id(), message)
 				} else {
-					slog.Error("net.udp.multicast has no router", "id", um.Id())
+					um.logger.Error("net.udp.multicast has no router")
 				}
 			}
 		}
@@ -110,11 +112,11 @@ func (um *UDPMulticast) Output(payload any) error {
 
 	payloadBytes, ok := payload.([]byte)
 	if !ok {
-		return fmt.Errorf("net.udp.multicast can only output bytes")
+		return errors.New("net.udp.multicast can only output bytes")
 	}
 
 	if um.conn == nil {
-		return fmt.Errorf("net.udp.multicast connection is not setup")
+		return errors.New("net.udp.multicast connection is not setup")
 	}
 
 	_, err := um.conn.Write(payloadBytes)

internal/module/udp-server.go

@@ -2,6 +2,7 @@ package module
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"log"
 	"log/slog"
@@ -13,10 +14,12 @@ import (
 )
 
 type UDPServer struct {
-	Addr   *net.UDPAddr
+	Addr       *net.UDPAddr
-	config config.ModuleConfig
+	BufferSize int
-	ctx    context.Context
+	config     config.ModuleConfig
-	router route.RouteIO
+	ctx        context.Context
+	router     route.RouteIO
+	logger     *slog.Logger
 }
 
 func init() {
@@ -26,13 +29,13 @@ func init() {
 			params := config.Params
 			port, ok := params["port"]
 			if !ok {
-				return nil, fmt.Errorf("net.udp.server requires a port parameter")
+				return nil, errors.New("net.udp.server requires a port parameter")
 			}
 
 			portNum, ok := port.(float64)
 
 			if !ok {
-				return nil, fmt.Errorf("net.udp.server port must be a number")
+				return nil, errors.New("net.udp.server port must be a number")
 			}
 
 			ipString := "0.0.0.0"
@@ -43,7 +46,7 @@ func init() {
 				specificIpString, ok := ip.(string)
 
 				if !ok {
-					return nil, fmt.Errorf("net.udp.server ip must be a string")
+					return nil, errors.New("net.udp.server ip must be a string")
 				}
 				ipString = specificIpString
 			}
@@ -53,7 +56,19 @@ func init() {
 				log.Fatalf("error resolving UDP address: %v", err)
 			}
 
-			return &UDPServer{Addr: addr, config: config, ctx: ctx, router: router}, nil
+			bufferSizeNum := 2048
+			bufferSize, ok := params["bufferSize"]
+
+			if ok {
+				bufferSizeFloat, ok := bufferSize.(float64)
+
+				if !ok {
+					return nil, errors.New("net.udp.server bufferSize must be a number")
+				}
+				bufferSizeNum = int(bufferSizeFloat)
+			}
+
+			return &UDPServer{Addr: addr, BufferSize: bufferSizeNum, config: config, ctx: ctx, router: router, logger: slog.Default().With("component", "module", "id", config.Id)}, nil
 		},
 	})
 }
@@ -75,13 +90,12 @@ func (us *UDPServer) Run() error {
 
 	defer listener.Close()
 
-	// TODO(jwetzell): make buffer size configurable
+	buffer := make([]byte, us.BufferSize)
-	buffer := make([]byte, 65535)
 	for {
 		select {
 		case <-us.ctx.Done():
 			// TODO(jwetzell): cleanup?
-			slog.Debug("router context done in module", "id", us.Id())
+			us.logger.Debug("router context done in module")
 			return nil
 		default:
 			listener.SetDeadline(time.Now().Add(time.Millisecond * 200))
@@ -98,7 +112,7 @@ func (us *UDPServer) Run() error {
 			if us.router != nil {
 				us.router.HandleInput(us.Id(), message)
 			} else {
-				slog.Error("net.udp.server has no router", "id", us.Id())
+				us.logger.Error("net.udp.server has no router")
 			}
 		}
 	}
@@ -106,5 +120,5 @@ func (us *UDPServer) Run() error {
 }
 
 func (us *UDPServer) Output(payload any) error {
-	return fmt.Errorf("net.udp.server output is not implemented")
+	return errors.New("net.udp.server output is not implemented")
 }

internal/processor/debug-log.go

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

internal/processor/float-parse.go

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

internal/processor/free-d-create.go

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

internal/processor/free-d-decode.go

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

internal/processor/free-d-encode.go

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

internal/processor/http-request-create.go

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

internal/processor/http-request-encode.go

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

internal/processor/http-request-filter.go

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

internal/processor/http-response-encode.go

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

internal/processor/int-parse.go

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

internal/processor/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 (mmd *MIDIMessageCreate) Process(ctx context.Context, payload any) (any, error) {
+	return mmd.ProcessFunc(ctx, payload)
+}
+
+func (mmd *MIDIMessageCreate) Type() string {
+	return mmd.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

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

internal/processor/midi-message-encode.go

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

internal/processor/midi-message-filter.go

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

internal/processor/midi-message-unpack.go

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

internal/processor/mqtt-message-create.go

@@ -2,7 +2,7 @@ package processor
 
 import (
 	"context"
-	"fmt"
+	"errors"
 
 	"github.com/jwetzell/showbridge-go/internal/config"
 )
@@ -74,44 +74,44 @@ func init() {
 			topic, ok := params["topic"]
 
 			if !ok {
-				return nil, fmt.Errorf("mqtt.message.create requires an topic parameter")
+				return nil, errors.New("mqtt.message.create requires a topic parameter")
 			}
 
 			topicString, ok := topic.(string)
 
 			if !ok {
-				return nil, fmt.Errorf("mqtt.message.create topic must be a string")
+				return nil, errors.New("mqtt.message.create topic must be a string")
 			}
 
 			qos, ok := params["qos"]
 
 			if !ok {
-				return nil, fmt.Errorf("mqtt.message.create requires an qos parameter")
+				return nil, errors.New("mqtt.message.create requires a qos parameter")
 			}
 
 			qosByte, ok := qos.(float64)
 
 			if !ok {
-				return nil, fmt.Errorf("mqtt.message.create qos must be a number")
+				return nil, errors.New("mqtt.message.create qos must be a number")
 			}
 
 			retained, ok := params["retained"]
 
 			if !ok {
-				return nil, fmt.Errorf("mqtt.message.create requires an retained parameter")
+				return nil, errors.New("mqtt.message.create requires a retained parameter")
 			}
 
 			retainedBool, ok := retained.(bool)
 
 			if !ok {
-				return nil, fmt.Errorf("mqtt.message.create retained must be a boolean")
+				return nil, errors.New("mqtt.message.create retained must be a boolean")
 			}
 
 			//TODO(jwetzell): convert payload into []byte or string for sending
 			payload, ok := params["payload"]
 
 			if !ok {
-				return nil, fmt.Errorf("mqtt.message.create requires an payload parameter")
+				return nil, errors.New("mqtt.message.create requires a payload parameter")
 			}
 
 			if payloadBytes, ok := payload.([]byte); ok {
@@ -121,7 +121,7 @@ func init() {
 			payloadString, ok := payload.(string)
 
 			if !ok {
-				return nil, fmt.Errorf("mqtt.message.create payload must be a string or byte array")
+				return nil, errors.New("mqtt.message.create payload must be a string or byte array")
 			}
 
 			payloadBytes := []byte(payloadString)

internal/processor/mqtt-message-encode.go

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

internal/processor/nats-message-create.go

@@ -3,7 +3,7 @@ package processor
 import (
 	"bytes"
 	"context"
-	"fmt"
+	"errors"
 	"text/template"
 
 	"github.com/jwetzell/showbridge-go/internal/config"
@@ -52,25 +52,25 @@ func init() {
 			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")
 			}
 
 			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)

internal/processor/nats-message-encode.go

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

internal/processor/osc-message-create.go

@@ -4,6 +4,7 @@ import (
 	"bytes"
 	"context"
 	"encoding/hex"
+	"errors"
 	"fmt"
 	"strconv"
 	"text/template"
@@ -31,11 +32,11 @@ func (o *OSCMessageCreate) Process(ctx context.Context, payload any) (any, error
 	addressString := addressBuffer.String()
 
 	if len(addressString) == 0 {
-		return nil, fmt.Errorf("osc.message.create address must not be empty")
+		return nil, errors.New("osc.message.create address must not be empty")
 	}
 
 	if addressString[0] != '/' {
-		return nil, fmt.Errorf("osc.message.create address must start with '/'")
+		return nil, errors.New("osc.message.create address must start with '/'")
 	}
 
 	payloadMessage := osc.OSCMessage{
@@ -82,13 +83,13 @@ func init() {
 			address, ok := params["address"]
 
 			if !ok {
-				return nil, fmt.Errorf("osc.message.create requires an address parameter")
+				return nil, errors.New("osc.message.create requires an address parameter")
 			}
 
 			addressString, ok := address.(string)
 
 			if !ok {
-				return nil, fmt.Errorf("osc.message.create address must be a string")
+				return nil, errors.New("osc.message.create address must be a string")
 			}
 
 			addressTemplate, err := template.New("address").Parse(addressString)
@@ -109,17 +110,17 @@ func init() {
 				types, ok := params["types"]
 
 				if !ok {
-					return nil, fmt.Errorf("osc.message.create requires a types parameter with args")
+					return nil, errors.New("osc.message.create requires a types parameter with args")
 				}
 
 				typesString, ok := types.(string)
 
 				if !ok {
-					return nil, fmt.Errorf("osc.message.create types must be a string")
+					return nil, errors.New("osc.message.create types must be a string")
 				}
 
 				if len(rawArgs) != len(typesString) {
-					return nil, fmt.Errorf("osc.message.create args and types must be the same length")
+					return nil, errors.New("osc.message.create args and types must be the same length")
 				}
 
 				argTemplates := []*template.Template{}
@@ -128,7 +129,7 @@ func init() {
 					argString, ok := rawArg.(string)
 
 					if !ok {
-						return nil, fmt.Errorf("osc.message.create arg must be a string")
+						return nil, errors.New("osc.message.create arg must be a string")
 					}
 
 					argTemplate, err := template.New("arg").Parse(argString)

internal/processor/osc-message-decode.go

@@ -2,7 +2,7 @@ package processor
 
 import (
 	"context"
-	"fmt"
+	"errors"
 
 	osc "github.com/jwetzell/osc-go"
 	"github.com/jwetzell/showbridge-go/internal/config"
@@ -16,15 +16,15 @@ func (o *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)

internal/processor/osc-message-encode.go

@@ -2,7 +2,7 @@ package processor
 
 import (
 	"context"
-	"fmt"
+	"errors"
 
 	osc "github.com/jwetzell/osc-go"
 	"github.com/jwetzell/showbridge-go/internal/config"
@@ -16,7 +16,7 @@ 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")
+		return nil, errors.New("osc.message.encode processor only accepts an OSCMessage")
 	}
 
 	bytes := payloadMessage.ToBytes()

internal/processor/osc-message-filter.go

@@ -2,6 +2,7 @@ package processor
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"regexp"
 	"strings"
@@ -20,7 +21,7 @@ func (o *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) {
@@ -42,13 +43,13 @@ func init() {
 			address, ok := params["address"]
 
 			if !ok {
-				return nil, fmt.Errorf("osc.message.filter requires an address parameter")
+				return nil, errors.New("osc.message.filter requires an address parameter")
 			}
 
 			addressString, ok := address.(string)
 
 			if !ok {
-				return nil, fmt.Errorf("osc.message.filter address must be a string")
+				return nil, errors.New("osc.message.filter address must be a string")
 			}
 
 			addressPattern := strings.ReplaceAll(addressString, "?", ".")

internal/processor/osc-message-transform.go

@@ -3,7 +3,7 @@ package processor
 import (
 	"bytes"
 	"context"
-	"fmt"
+	"errors"
 	"text/template"
 
 	osc "github.com/jwetzell/osc-go"
@@ -19,11 +19,10 @@ func (o *OSCMessageTransform) Process(ctx context.Context, payload any) (any, er
 	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)
 
 	if err != nil {
@@ -33,11 +32,11 @@ func (o *OSCMessageTransform) Process(ctx context.Context, payload any) (any, er
 	addressString := addressBuffer.String()
 
 	if len(addressString) == 0 {
-		return nil, fmt.Errorf("osc.message.transform address must not be empty")
+		return nil, errors.New("osc.message.transform address must not be empty")
 	}
 
 	if addressString[0] != '/' {
-		return nil, fmt.Errorf("osc.message.transform address must start with '/'")
+		return nil, errors.New("osc.message.transform address must start with '/'")
 	}
 
 	payloadMessage.Address = addressString
@@ -57,13 +56,13 @@ func init() {
 			address, ok := params["address"]
 
 			if !ok {
-				return nil, fmt.Errorf("osc.message.transform requires an address parameter")
+				return nil, errors.New("osc.message.transform requires an address parameter")
 			}
 
 			addressString, ok := address.(string)
 
 			if !ok {
-				return nil, fmt.Errorf("osc.message.transform address must be a string")
+				return nil, errors.New("osc.message.transform address must be a string")
 			}
 
 			addressTemplate, err := template.New("address").Parse(addressString)

internal/processor/script-expr.go

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

internal/processor/script-expr_test.go

@@ -0,0 +1,58 @@
+package processor_test
+
+import (
+	"testing"
+
+	"github.com/expr-lang/expr"
+	"github.com/jwetzell/showbridge-go/internal/processor"
+)
+
+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.Errorf("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.Errorf("script.expr failed: %s", err)
+			}
+
+			//TODO(jwetzell): work out better way to compare the any/any
+			if got != test.expected {
+				t.Errorf("script.expr got %+v (%T), expected %+v (%T)", got, got, test.expected, test.expected)
+			}
+		})
+	}
+}

internal/processor/script-js.go

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

internal/processor/script-js_test.go

@@ -0,0 +1,48 @@
+package processor_test
+
+import (
+	"testing"
+
+	"github.com/jwetzell/showbridge-go/internal/processor"
+)
+
+func TestGoodScriptJS(t *testing.T) {
+	tests := []struct {
+		processor processor.Processor
+		name      string
+		payload   any
+		expected  any
+	}{
+		{
+			processor: &processor.ScriptJS{Program: `
+			payload = payload + 1
+			`},
+			name:     "number",
+			payload:  1,
+			expected: 2,
+		},
+		{
+			processor: &processor.ScriptJS{Program: `
+			payload = payload + "1"
+			`},
+			name:     "string",
+			payload:  "1",
+			expected: "11",
+		},
+	}
+
+	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.Errorf("script.js failed: %s", err)
+			}
+
+			//TODO(jwetzell): work out better way to compare the any/any
+			if got != test.expected {
+				t.Errorf("script.js got %+v, expected %+v", got, test.expected)
+			}
+		})
+	}
+}

internal/processor/string-create.go

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

internal/processor/string-decode.go

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

internal/processor/string-encode.go

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

internal/processor/string-filter.go

@@ -2,7 +2,7 @@ package processor
 
 import (
 	"context"
-	"fmt"
+	"errors"
 	"regexp"
 
 	"github.com/jwetzell/showbridge-go/internal/config"
@@ -17,7 +17,7 @@ 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")
+		return nil, errors.New("string.filter processor only accepts a string")
 	}
 
 	if !se.Pattern.MatchString(payloadString) {
@@ -40,16 +40,16 @@ func init() {
 			pattern, ok := params["pattern"]
 
 			if !ok {
-				return nil, fmt.Errorf("http.request.filter requires an pattern parameter")
+				return nil, errors.New("string.filter requires a pattern parameter")
 			}
 
 			patternString, ok := pattern.(string)
 
 			if !ok {
-				return nil, fmt.Errorf("http.request.filter pattern must be a string")
+				return nil, errors.New("string.filter pattern must be a string")
 			}
 
-			patternRegexp, err := regexp.Compile(fmt.Sprintf("^%s$", patternString))
+			patternRegexp, err := regexp.Compile(patternString)
 
 			if err != nil {
 				return nil, err

internal/processor/string-split.go

@@ -2,7 +2,7 @@ package processor
 
 import (
 	"context"
-	"fmt"
+	"errors"
 	"strings"
 
 	"github.com/jwetzell/showbridge-go/internal/config"
@@ -17,7 +17,7 @@ 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")
+		return nil, errors.New("string.split only accepts a string")
 	}
 
 	payloadParts := strings.Split(payloadString, se.Separator)
@@ -38,13 +38,13 @@ func init() {
 			separator, ok := params["separator"]
 
 			if !ok {
-				return nil, fmt.Errorf("string.split requires a separator")
+				return nil, errors.New("string.split requires a separator")
 			}
 
 			separatorString, ok := separator.(string)
 
 			if !ok {
-				return nil, fmt.Errorf("string.split separator must be a string")
+				return nil, errors.New("string.split separator must be a string")
 			}
 
 			return &StringSplit{config: config, Separator: separatorString}, nil

internal/processor/string-split_test.go

@@ -40,7 +40,7 @@ func TestGoodStringSplit(t *testing.T) {
 	}
 }
 
-func TestBasStringSplit(t *testing.T) {
+func TestBadStringSplit(t *testing.T) {
 	tests := []struct {
 		processor   processor.Processor
 		name        string

internal/processor/uint-parse.go

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

router.go

@@ -2,9 +2,9 @@ package showbridge
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"log/slog"
-	"os"
 	"sync"
 
 	"github.com/jwetzell/showbridge-go/internal/config"
@@ -18,16 +18,10 @@ type Router struct {
 	ModuleInstances []module.Module
 	RouteInstances  []route.Route
 	moduleWait      sync.WaitGroup
+	logger          *slog.Logger
 }
 
 func NewRouter(ctx context.Context, config config.Config) (*Router, []module.ModuleError, []route.RouteError) {
-	logger := slog.New(slog.NewTextHandler(os.Stdout, &slog.HandlerOptions{
-		Level: slog.LevelInfo,
-	}))
-
-	slog.SetDefault(logger)
-
-	slog.Debug("creating router")
 
 	routerContext, cancel := context.WithCancel(ctx)
 	router := Router{
@@ -35,8 +29,11 @@ func NewRouter(ctx context.Context, config config.Config) (*Router, []module.Mod
 		contextCancel:   cancel,
 		ModuleInstances: []module.Module{},
 		RouteInstances:  []route.Route{},
+		logger:          slog.Default().With("component", "router"),
 	}
 
+	router.logger.Debug("creating router")
+
 	var moduleErrors []module.ModuleError
 
 	for moduleIndex, moduleDecl := range config.Modules {
@@ -49,7 +46,7 @@ func NewRouter(ctx context.Context, config config.Config) (*Router, []module.Mod
 			moduleErrors = append(moduleErrors, module.ModuleError{
 				Index:  moduleIndex,
 				Config: moduleDecl,
-				Error:  fmt.Errorf("module type not defined"),
+				Error:  errors.New("module type not defined"),
 			})
 			continue
 		}
@@ -64,7 +61,7 @@ func NewRouter(ctx context.Context, config config.Config) (*Router, []module.Mod
 				moduleErrors = append(moduleErrors, module.ModuleError{
 					Index:  moduleIndex,
 					Config: moduleDecl,
-					Error:  fmt.Errorf("duplicate module id"),
+					Error:  errors.New("duplicate module id"),
 				})
 				break
 			}
@@ -110,20 +107,20 @@ func NewRouter(ctx context.Context, config config.Config) (*Router, []module.Mod
 }
 
 func (r *Router) Run() {
-	slog.Info("running router")
+	r.logger.Info("running router")
 	for _, moduleInstance := range r.ModuleInstances {
 		r.moduleWait.Add(1)
 		go func() {
 			err := moduleInstance.Run()
 			if err != nil {
-				slog.Error("error encountered running module", "id", moduleInstance.Id(), "error", err)
+				r.logger.Error("error encountered running module", "error", err)
 			}
 			r.moduleWait.Done()
 		}()
 	}
 	<-r.Context.Done()
 	r.moduleWait.Wait()
-	slog.Info("router done")
+	r.logger.Info("router done")
 }
 
 func (r *Router) Stop() {
@@ -143,7 +140,7 @@ func (r *Router) HandleInput(sourceId string, payload any) []route.RouteIOError
 					Index: routeIndex,
 					Error: err,
 				})
-				slog.Error("router unable to route input", "route", routeIndex, "source", sourceId, "error", err)
+				r.logger.Error("router unable to route input", "route", routeIndex, "source", sourceId, "error", err)
 			}
 		}
 	}