abc8cacf44
In addition, moved the rng out. This will allow allocating one instance per worker, rather than every call.
33 lines
775 B
Rust
33 lines
775 B
Rust
use std::time::{SystemTime, UNIX_EPOCH};
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pub type TAI64N = [u8; 12];
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const TAI64_EPOCH: u64 = 0x400000000000000a;
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pub const ZERO: TAI64N = [0u8; 12];
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pub fn now() -> TAI64N {
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// get system time as duration
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let sysnow = SystemTime::now();
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let delta = sysnow.duration_since(UNIX_EPOCH).unwrap();
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// convert to tai64n
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let tai64_secs = delta.as_secs() + TAI64_EPOCH;
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let tai64_nano = delta.subsec_nanos();
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// serialize
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let mut res = [0u8; 12];
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res[..8].copy_from_slice(&tai64_secs.to_be_bytes()[..]);
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res[8..].copy_from_slice(&tai64_nano.to_be_bytes()[..]);
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res
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}
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pub fn compare(old: &TAI64N, new: &TAI64N) -> bool {
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for i in 0..12 {
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if new[i] > old[i] {
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return true;
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}
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}
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return false;
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}
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