fixed implementation of quiet zone wrt field updates from C++

direct/src/distributed/cConnectionRepository.I

@@ -312,6 +312,28 @@ get_want_message_bundling() const {
   return _want_message_bundling;
 }
 
+////////////////////////////////////////////////////////////////////
+//     Function: CConnectionRepository::set_in_quiet_zone
+//       Access: Published
+//  Description: Enables/disables quiet zone mode
+////////////////////////////////////////////////////////////////////
+INLINE void CConnectionRepository::
+set_in_quiet_zone(bool flag) {
+  ReMutexHolder holder(_lock);
+  _in_quiet_zone = flag;
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: CConnectionRepository::get_in_quiet_zone
+//       Access: Published
+//  Description: Returns true if repository is in quiet zone mode
+////////////////////////////////////////////////////////////////////
+INLINE bool CConnectionRepository::
+get_in_quiet_zone() const {
+  ReMutexHolder holder(_lock);
+  return _in_quiet_zone;
+}
+
 ////////////////////////////////////////////////////////////////////
 //     Function: CConnectionRepository::set_simulated_disconnect
 //       Access: Published

direct/src/distributed/cConnectionRepository.cxx

@@ -71,7 +71,8 @@ CConnectionRepository(bool has_owner_view) :
   _has_owner_view(has_owner_view),
   _handle_c_updates(true),
   _want_message_bundling(true),
-  _bundling_msgs(0)
+  _bundling_msgs(0),
+  _in_quiet_zone(0)
 {
 #if defined(HAVE_NET) && defined(SIMULATE_NETWORK_DELAY)
   if (min_lag != 0.0 || max_lag != 0.0) {
@@ -714,6 +715,19 @@ handle_update_field() {
       DCClass *dclass = (DCClass *)PyInt_AsLong(dclass_this);
       Py_DECREF(dclass_this);
 
+      // If in quiet zone mode, throw update away unless distobj
+      // has 'neverDisable' attribute set to non-zero
+      if (_in_quiet_zone) {
+        PyObject *neverDisable = PyObject_GetAttrString(distobj, "neverDisable");
+        nassertr(neverDisable != NULL, false);
+
+        unsigned int cNeverDisable = PyInt_AsLong(neverDisable);
+        if (!cNeverDisable) {
+          // in quiet zone and distobj is disable-able
+          // drop update on the floor
+          return true;
+        }
+      }
 
       // It's a good idea to ensure the reference count to distobj is
       // raised while we call the update method--otherwise, the update

direct/src/distributed/cConnectionRepository.h

@@ -127,6 +127,9 @@ PUBLISHED:
   INLINE void set_want_message_bundling(bool flag);
   INLINE bool get_want_message_bundling() const;
 
+  INLINE void set_in_quiet_zone(bool flag);
+  INLINE bool get_in_quiet_zone() const;
+
   void start_message_bundle();
   INLINE bool is_bundling_messages() const;
   void send_message_bundle(unsigned int channel, unsigned int sender_channel);
@@ -191,6 +194,7 @@ private:
   bool _handle_datagrams_internally;
   bool _simulated_disconnect;
   bool _verbose;
+  bool _in_quiet_zone;
 
   Datagram _dg;
   DatagramIterator _di;