nautilus_common/msgbus/
handler.rs

1// -------------------------------------------------------------------------------------------------
2//  Copyright (C) 2015-2025 Nautech Systems Pty Ltd. All rights reserved.
3//  https://nautechsystems.io
4//
5//  Licensed under the GNU Lesser General Public License Version 3.0 (the "License");
6//  You may not use this file except in compliance with the License.
7//  You may obtain a copy of the License at https://www.gnu.org/licenses/lgpl-3.0.en.html
8//
9//  Unless required by applicable law or agreed to in writing, software
10//  distributed under the License is distributed on an "AS IS" BASIS,
11//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12//  See the License for the specific language governing permissions and
13//  limitations under the License.
14// -------------------------------------------------------------------------------------------------
15
16use std::{any::Any, rc::Rc};
17
18use nautilus_model::data::Data;
19use ustr::Ustr;
20
21use crate::messages::data::DataResponse;
22
23pub trait MessageHandler: Any {
24    fn id(&self) -> Ustr;
25    fn handle(&self, message: &dyn Any);
26    fn handle_response(&self, resp: DataResponse);
27    fn handle_data(&self, data: Data);
28    fn as_any(&self) -> &dyn Any;
29}
30
31#[derive(Clone)]
32#[repr(transparent)]
33pub struct ShareableMessageHandler(pub Rc<dyn MessageHandler>);
34
35impl From<Rc<dyn MessageHandler>> for ShareableMessageHandler {
36    fn from(value: Rc<dyn MessageHandler>) -> Self {
37        Self(value)
38    }
39}
40
41// SAFETY: Message handlers cannot be sent across thread boundaries
42unsafe impl Send for ShareableMessageHandler {}
nautilus_common/msgbus/handler.rs

nautilus_common/msgbus/
handler.rs
