Do not allow roles to be updated once registered

base/src/AbsControlModule.cpp

@@ -70,15 +70,23 @@ void AbsControlModule::handleHealthCallback(const HealthObject& healthObj)
 
 bool AbsControlModule::enrollModule(std::string role, boost::shared_ptr<Module> module)
 {
+ if (moduleRoles.find(role) != moduleRoles.end())
+ {
+ throw AIPException(CTRL_MODULE_INVALID_STATE, "Role already registered with the control module.");
+ }
+
  moduleRoles[role] = module;
+
  // NOTE: If you want error callback and health callback to work with a module, registering it with control is mandatory.
  module->registerErrorCallback(
  [this](const ErrorObject& error) { handleError(error); });
+
  if (module->getProps().enableHealthCallBack)
  {
  module->registerHealthCallback(
  [this](const HealthObject& message) { handleHealthCallback(message); });
  }
+
  return true;
 }