nautilus_network/
runtime.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
16//! A common Tokio runtime for network operations.
17
18use std::sync::OnceLock;
19
20static RUNTIME: OnceLock<tokio::runtime::Runtime> = OnceLock::new();
21
22/// Returns a reference to the global network Tokio runtime.
23///
24/// The runtime is lazily initialized on the first call and reused thereafter.
25///
26/// # Panics
27///
28/// Panics if the Tokio runtime fails to build, which should only occur in
29/// extremely rare circumstances such as system resource exhaustion.
30pub fn get_runtime() -> &'static tokio::runtime::Runtime {
31    RUNTIME.get_or_init(|| {
32        tokio::runtime::Builder::new_multi_thread()
33            .enable_all()
34            .build()
35            .expect("Failed to create tokio runtime")
36    })
37}
nautilus_network/runtime.rs

nautilus_network/
runtime.rs
