rocketmq_common/common/
system_clock.rs

1/*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements.  See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License.  You may obtain a copy of the License at
8 *
9 *     http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18use std::time::SystemTime;
19use std::time::UNIX_EPOCH;
20
21pub struct SystemClock;
22
23impl SystemClock {
24    pub fn now() -> u128 {
25        let now = SystemTime::now();
26        let duration = now.duration_since(UNIX_EPOCH).expect("Time went backwards");
27        duration.as_millis()
28    }
29}