mls_rs_core/
time.rs

1// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
2// Copyright by contributors to this project.
3// SPDX-License-Identifier: (Apache-2.0 OR MIT)
4
5use core::time::Duration;
6
7#[cfg(target_arch = "wasm32")]
8use wasm_bindgen::prelude::*;
9
10#[cfg_attr(all(feature = "ffi", not(test)), safer_ffi_gen::ffi_type)]
11#[derive(Clone, Copy, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
12#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
13#[repr(transparent)]
14pub struct MlsTime {
15    seconds: u64,
16}
17
18impl MlsTime {
19    /// Create a timestamp from a duration since unix epoch.
20    pub fn from_duration_since_epoch(duration: Duration) -> MlsTime {
21        Self {
22            seconds: duration.as_secs(),
23        }
24    }
25
26    /// Number of seconds since the unix epoch.
27    pub fn seconds_since_epoch(&self) -> u64 {
28        self.seconds
29    }
30}
31
32#[cfg(all(not(target_arch = "wasm32"), feature = "std"))]
33impl MlsTime {
34    /// Current system time.
35    pub fn now() -> Self {
36        Self {
37            seconds: std::time::SystemTime::now()
38                .duration_since(std::time::SystemTime::UNIX_EPOCH)
39                .unwrap_or_default()
40                .as_secs(),
41        }
42    }
43}
44
45impl From<u64> for MlsTime {
46    fn from(value: u64) -> Self {
47        Self { seconds: value }
48    }
49}
50
51#[cfg(target_arch = "wasm32")]
52#[wasm_bindgen(inline_js = r#"
53export function date_now() {
54  return Date.now();
55}"#)]
56extern "C" {
57    fn date_now() -> f64;
58}
59
60#[cfg(target_arch = "wasm32")]
61impl MlsTime {
62    pub fn now() -> Self {
63        Self {
64            seconds: (date_now() / 1000.0) as u64,
65        }
66    }
67}
mls_rs_core/time.rs

mls_rs_core/
time.rs
