Get status of TLS from server service (#629)

* Add IsTLSEnabled function to server and add it to the API endpoint, getServers
* Ignore error
* Initialize variable and check for nil before returning
* Initialize variable

api/api.go

@@ -289,6 +289,7 @@ func (a *API) GetServers(context.Context, *emptypb.Empty) (*structpb.Struct, err
 			"status":       uint(server.Status),
 			"tickInterval": server.TickInterval.Nanoseconds(),
 			"loadBalancer": map[string]any{"strategy": server.LoadbalancerStrategyName},
+			"isTLSEnabled": server.IsTLSEnabled(),
 		}
 	}
 

network/server.go

@@ -34,6 +34,7 @@ const (
 	Shutdown
 )
 
+//nolint:interfacebloat
 type IServer interface {
 	OnBoot() Action
 	OnOpen(conn *ConnWrapper) ([]byte, Action)
@@ -44,7 +45,10 @@ type IServer interface {
 	Run() *gerr.GatewayDError
 	Shutdown()
 	IsRunning() bool
+	IsTLSEnabled() bool
 	CountConnections() int
+	GetProxyForConnection(conn *ConnWrapper) (IProxy, bool)
+	RemoveConnectionFromMap(conn *ConnWrapper)
 }
 
 type Server struct {
@@ -69,12 +73,13 @@ type Server struct {
 	KeyFile          string
 	HandshakeTimeout time.Duration
 
-	listener    net.Listener
-	host        string
-	port        int
-	connections uint32
-	running     *atomic.Bool
-	stopServer  chan struct{}
+	listener     net.Listener
+	host         string
+	port         int
+	connections  uint32
+	running      *atomic.Bool
+	isTLSEnabled *atomic.Bool
+	stopServer   chan struct{}
 
 	// loadbalancer
 	loadbalancerStrategy       LoadBalancerStrategy
@@ -543,6 +548,9 @@ func (s *Server) Run() *gerr.GatewayDError {
 		return gerr.ErrCastFailed.Wrap(origErr)
 	}
 
+	s.isTLSEnabled = &atomic.Bool{}
+	s.running = &atomic.Bool{}
+
 	go func(server *Server) {
 		<-server.stopServer
 		server.OnShutdown()
@@ -582,6 +590,7 @@ func (s *Server) Run() *gerr.GatewayDError {
 			return gerr.ErrGetTLSConfigFailed.Wrap(origErr)
 		}
 		s.Logger.Info().Msg("TLS is enabled")
+		s.isTLSEnabled.Store(true)
 	} else {
 		s.Logger.Debug().Msg("TLS is disabled")
 	}
@@ -767,6 +776,14 @@ func (s *Server) CountConnections() int {
 	return int(s.connections)
 }
 
+// IsTLSEnabled returns true if TLS is enabled.
+func (s *Server) IsTLSEnabled() bool {
+	if s.isTLSEnabled == nil {
+		return false
+	}
+	return s.isTLSEnabled.Load()
+}
+
 // GetProxyForConnection returns the proxy associated with the given connection.
 func (s *Server) GetProxyForConnection(conn *ConnWrapper) (IProxy, bool) {
 	proxy, exists := s.connectionToProxyMap.Load(conn)