feat(server): PUT /v1/portforward route to set ports forwarded (#2392)

internal/portforward/service/service.go

@@ -2,7 +2,9 @@ package service
 
 import (
 	"context"
+	"fmt"
 	"net/http"
+	"slices"
 	"sync"
 )
 
@@ -50,3 +52,29 @@ func (s *Service) GetPortsForwarded() (ports []uint16) {
 	copy(ports, s.ports)
 	return ports
 }
+
+func (s *Service) SetPortsForwarded(ctx context.Context, ports []uint16) (err error) {
+	s.startStopMutex.Lock()
+	defer s.startStopMutex.Unlock()
+	s.portMutex.Lock()
+	defer s.portMutex.Unlock()
+
+	slices.Sort(ports)
+	if slices.Equal(s.ports, ports) {
+		return nil
+	}
+
+	err = s.cleanup()
+	if err != nil {
+		return fmt.Errorf("cleaning up: %w", err)
+	}
+
+	err = s.onNewPorts(ctx, ports)
+	if err != nil {
+		return fmt.Errorf("handling new ports: %w", err)
+	}
+
+	s.logger.Info("updated: " + portsToString(s.ports))
+
+	return nil
+}