added a stat item to the server

cmd/logger.go

@@ -50,12 +50,15 @@ func NewAppLoggerToFile (id string, file_name string, max_size int64, rotate int
 	f, err = os.OpenFile(file_name, os.O_CREATE | os.O_APPEND | os.O_WRONLY, 0666)
 	if err != nil { return nil, err }
 
+	if os.PathSeparator == '/' {
+		// this check is performed only on systems where the path separator is /.
 		matched, _ = filepath.Match("/dev/*", file_name)
 		if matched {
 			// if the log file is under /dev, disable rotation
 			max_size = 0
 			rotate = 0
 		}
+	}
 
 	l = &AppLogger{
 		Id: id,

server-ctl.go

@@ -34,6 +34,8 @@ type json_out_server_stats struct {
 	ServerConns int64 `json:"server-conns"`
 	ServerRoutes int64 `json:"server-routes"`
 	ServerPeers int64 `json:"server-peers"`
+
+	SshProxySessions int64 `json:"ssh-proxy-session"`
 }
 
 // ------------------------------------
@@ -402,6 +404,7 @@ func (ctl *server_ctl_stats) ServeHTTP(w http.ResponseWriter, req *http.Request)
 			stats.ServerConns = s.stats.conns.Load()
 			stats.ServerRoutes = s.stats.routes.Load()
 			stats.ServerPeers = s.stats.peers.Load()
+			stats.SshProxySessions = s.stats.ssh_proxy_sessions.Load()
 			status_code = http.StatusOK; w.WriteHeader(status_code)
 			if err = je.Encode(stats); err != nil { goto oops }
 

server-proxy.go

@@ -572,6 +572,7 @@ func (pxy *server_proxy_ssh_ws) ServeWebsocket(ws *websocket.Conn) {
 			var n int
 			var err error
 
+			s.stats.ssh_proxy_sessions.Add(1)
 			buf = make([]byte, 2048)
 			for {
 				n, err = out.Read(buf)
@@ -589,6 +590,7 @@ func (pxy *server_proxy_ssh_ws) ServeWebsocket(ws *websocket.Conn) {
 					}
 				}
 			}
+			s.stats.ssh_proxy_sessions.Add(-1)
 		}
 	}()
 

server.go

@@ -69,6 +69,7 @@ type Server struct {
 		conns atomic.Int64
 		routes atomic.Int64
 		peers atomic.Int64
+		ssh_proxy_sessions atomic.Int64
 	}
 
 	UnimplementedHoduServer
@@ -998,6 +999,7 @@ func NewServer(ctx context.Context, logger Logger, ctl_addrs []string, rpc_addrs
 	s.stats.conns.Store(0)
 	s.stats.routes.Store(0)
 	s.stats.peers.Store(0)
+	s.stats.ssh_proxy_sessions.Store(0)
 
 	return &s, nil