Moved session into own module.

src/data_director.rs

@@ -473,11 +473,14 @@ impl DocRegistry {
                 Err(err) => reg.response(RegMsg::Error(err)),
             },
             RegMsg::AddRoute(path) => {
-                // let route = self.doc_names.path_to_route(path).unwrap();
-                let route = self.path_to_route(path).unwrap();
-                reg.response(RegMsg::RouteID(
-                    self.routes.add(route, reg.get_sender_id().clone()),
-                ))
+                let response = match self.path_to_route(path) {
+                    Ok(route) => {
+                        let id = self.routes.add(route, reg.get_sender_id().clone());
+                        RegMsg::RouteID(id)
+                    }
+                    Err(err) => RegMsg::Error(err),
+                };
+                reg.response(response)
             }
             RegMsg::GetNameID(name) => match self.doc_names.get_id(name) {
                 Ok(id) => reg.response(RegMsg::DocumentNameID(id.clone())),