Merge pull request #594 from rustdesk/port-forward-mux

Port forward mux

src/config.rs

@@ -2993,9 +2993,10 @@ pub mod keys {
     pub const OPTION_ALLOW_COMMAND_LINE_SETTINGS_WHEN_SETTINGS_DISABLED: &str =
         "allow-command-line-settings-when-settings-disabled";
 
-    // Connection punch-through options
+    // Connection punch-through / port-forward options
     pub const OPTION_ENABLE_UDP_PUNCH: &str = "enable-udp-punch";
     pub const OPTION_ENABLE_IPV6_PUNCH: &str = "enable-ipv6-punch";
+    pub const OPTION_ENABLE_PORT_FORWARD_MUX: &str = "enable-port-forward-mux";
     pub const OPTION_HIDE_USERNAME_ON_CARD: &str = "hide-username-on-card";
     pub const OPTION_HIDE_HELP_CARDS: &str = "hide-help-cards";
     pub const OPTION_DEFAULT_CONNECT_PASSWORD: &str = "default-connect-password";
@@ -3127,6 +3128,7 @@ pub mod keys {
         OPTION_VIDEO_SAVE_DIRECTORY,
         OPTION_ENABLE_UDP_PUNCH,
         OPTION_ENABLE_IPV6_PUNCH,
+        OPTION_ENABLE_PORT_FORWARD_MUX,
         OPTION_TOUCH_MODE,
         OPTION_SHOW_VIRTUAL_MOUSE,
         OPTION_SHOW_VIRTUAL_JOYSTICK,