use slog

cmd/cli/main.go

@@ -29,7 +29,6 @@ func main() {
 			if err != nil {
 				return err
 			}
-			fmt.Printf("%+v\n", config)
 			router, err := showbridge.NewRouter(ctx, config)
 			if err != nil {
 				return err

router.go

@@ -3,6 +3,8 @@ package showbridge
 import (
 	"context"
 	"fmt"
+	"log/slog"
+	"os"
 )
 
 type Router struct {
@@ -12,6 +14,14 @@ type Router struct {
 
 func NewRouter(ctx context.Context, config Config) (*Router, error) {
 
+	logger := slog.New(slog.NewTextHandler(os.Stdout, &slog.HandlerOptions{
+		Level: slog.LevelDebug,
+	}))
+
+	slog.SetDefault(logger)
+
+	slog.Debug("creating router", "config", config)
+
 	router := Router{
 		Context:         ctx,
 		ModuleInstances: []Module{},

tcp-client.go

@@ -3,6 +3,7 @@ package showbridge
 import (
 	"context"
 	"fmt"
+	"log/slog"
 	"net"
 	"time"
 )
@@ -49,7 +50,7 @@ func (ts TCPClient) Run(ctx context.Context) error {
 	for {
 		client, err := net.Dial("tcp", fmt.Sprintf(":%d", ts.Port))
 		if err != nil {
-			fmt.Println(err)
+			slog.Error(err.Error())
 			time.Sleep(time.Second * 2)
 			continue
 		}
@@ -68,12 +69,12 @@ func (ts TCPClient) Run(ctx context.Context) error {
 					byteCount, err := client.Read(buffer)
 
 					if err != nil {
-						fmt.Println("connection closed")
+						slog.Debug("connection closed")
 						break READ
 					}
 
 					if byteCount > 0 {
-						fmt.Println(buffer[0:byteCount])
+						slog.Info(string(buffer[0:byteCount]))
 					}
 				}
 

tcp-server.go

@@ -3,6 +3,7 @@ package showbridge
 import (
 	"context"
 	"fmt"
+	"log/slog"
 	"net"
 )
 
@@ -31,7 +32,7 @@ func init() {
 }
 
 func (ts TCPServer) HandleClient(ctx context.Context, client net.Conn) {
-	fmt.Printf("handling connection %s\n", client.RemoteAddr())
+	slog.Info("handling connection", "remoteAddr", client.RemoteAddr().String())
 
 	buffer := make([]byte, 1024)
 	for {
@@ -43,13 +44,13 @@ func (ts TCPServer) HandleClient(ctx context.Context, client net.Conn) {
 
 			if err != nil {
 				if err.Error() == "EOF" {
-					fmt.Println("connection closed")
+					slog.Debug("connection closed")
 				}
 				return
 			}
 
 			if byteCount > 0 {
-				fmt.Println(buffer[0:byteCount])
+				slog.Info(string(buffer[0:byteCount]))
 			}
 		}
 

udp-server.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"fmt"
 	"log"
+	"log/slog"
 	"net"
 )
 
@@ -55,7 +56,7 @@ func (us UDPServer) Run(ctx context.Context) error {
 			if err != nil {
 				return err
 			}
-			fmt.Println(buffer[:numBytes])
+			slog.Info(string(buffer[:numBytes]))
 		}
 	}