Fix bcp 008

Development/cmake/NmosCppTest.cmake

@@ -41,6 +41,7 @@ set(NMOS_CPP_TEST_MDNS_TEST_HEADERS
 
 set(NMOS_CPP_TEST_NMOS_TEST_SOURCES
     nmos/test/api_utils_test.cpp
+    nmos/test/bcp_008_test.cpp
     nmos/test/capabilities_test.cpp
     nmos/test/channels_test.cpp
     nmos/test/condition_variable_test.cpp

Development/nmos/control_protocol_handlers.h

@@ -87,6 +87,9 @@ namespace nmos
     // construct callback to retrieve a specific method
     get_control_protocol_method_descriptor_handler make_get_control_protocol_method_descriptor_handler(experimental::control_protocol_state& control_protocol_state);
 
+    // Set monitor status to pending
+    monitor_status_pending_handler make_monitor_status_pending_handler(experimental::control_protocol_state& control_protocol_state);
+
     // control_protocol_connection_activation_handler notifies that the active parameters for the specified (IS-05) sender/connection_sender or receiver/connection_receiver have changed
     control_protocol_connection_activation_handler make_monitor_connection_activation_handler(resources& resources, experimental::control_protocol_state& control_protocol_state, slog::base_gate& gate);
 

Development/nmos/control_protocol_utils.cpp

@@ -444,9 +444,12 @@ namespace nmos
                     return false;
                 }
 
-                // check whether the the status message changed when the status is unchanged
+                // check whether the status message changed when the status is unchanged
                 if (status == current_status.as_integer())
                 {
+                    // cancel any pending status updates if any
+                    set_property(resources, oid, status_pending_received_time_field_name, web::json::value::number(0), gate);
+
                     // has status message changed?
                     const auto& current_status_message = get_property(resources, oid, status_message_property_id, get_control_protocol_class_descriptor, gate);
                     if ((current_status_message.is_null() && status_message.size()) || (!current_status_message.is_null() && current_status_message.as_string() != status_message))