gotoolkit service

main.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+	"context"
 	"errors"
 	"io"
 	"log"
@@ -8,10 +9,38 @@ import (
 	"net/http"
 	"time"
 
+	"git.nakama.town/fmartingr/gotoolkit/model"
+	"git.nakama.town/fmartingr/gotoolkit/service"
 	"github.com/emersion/go-sasl"
 	"github.com/emersion/go-smtp"
 )
 
+var _ model.Server = (*smtpServer)(nil)
+
+type smtpServer struct {
+	backend *smtp.Server
+}
+
+func (s *smtpServer) IsEnabled() bool {
+	return true
+}
+
+func (s *smtpServer) Start(_ context.Context) error {
+	slog.Info("Started SMTP server", slog.String("addr", s.backend.Addr))
+	return s.backend.ListenAndServe()
+}
+
+func (s *smtpServer) Stop(ctx context.Context) error {
+	slog.Info("Stopping SMTP server")
+	return s.backend.Shutdown(ctx)
+}
+
+func NewSMTPServer(backend *smtp.Server) model.Server {
+	return &smtpServer{
+		backend: backend,
+	}
+}
+
 // The Backend implements SMTP server methods.
 type Backend struct{}
 
@@ -79,18 +108,33 @@ func (s *Session) Logout() error {
 func main() {
 	be := &Backend{}
 
-	s := smtp.NewServer(be)
+	smtpBackend := smtp.NewServer(be)
 
-	s.Addr = "localhost:11025"
-	s.Domain = "localhost"
-	s.WriteTimeout = 10 * time.Second
-	s.ReadTimeout = 10 * time.Second
-	s.MaxMessageBytes = 1024 * 1024
-	s.MaxRecipients = 50
-	s.AllowInsecureAuth = true
+	smtpBackend.Addr = "localhost:11025"
+	smtpBackend.Domain = "localhost"
+	smtpBackend.WriteTimeout = 10 * time.Second
+	smtpBackend.ReadTimeout = 10 * time.Second
+	smtpBackend.MaxMessageBytes = 1024 * 1024
+	smtpBackend.MaxRecipients = 50
+	smtpBackend.AllowInsecureAuth = true
 
-	log.Println("Starting server at", s.Addr)
-	if err := s.ListenAndServe(); err != nil {
-		log.Fatal(err)
+	ctx := context.Background()
+	smtpServer := NewSMTPServer(smtpBackend)
+
+	svc, err := service.NewService([]model.Server{
+		smtpServer,
+	})
+	if err != nil {
+		slog.Error("Error creating service:", slog.String("err", err.Error()))
+		return
+	}
+
+	if err := svc.Start(ctx); err != nil {
+		slog.Error("Error starting service:", slog.String("err", err.Error()))
+		return
+	}
+
+	if err := svc.WaitStop(ctx); err != nil {
+		slog.Error("Error waiting for service interruption:", slog.String("err", err.Error()))
 	}
 }