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use std;
use capi;
use std::ops::{Add, AddAssign, Sub, SubAssign};
use super::{Timeval, MicroSeconds};
#[derive(Copy, Clone, Debug, Eq, PartialEq, Ord, PartialOrd)]
pub struct UnixTs(pub(crate) Timeval);
impl UnixTs {
pub fn now() -> Self {
let mut tv = Timeval::new_zero();
unsafe { capi::pa_gettimeofday(&mut tv.0) };
UnixTs(tv)
}
pub fn diff(a: &Self, b: &Self) -> MicroSeconds {
MicroSeconds(unsafe { capi::pa_timeval_diff(&(a.0).0, &(b.0).0) })
}
pub fn age(&self) -> MicroSeconds {
MicroSeconds(unsafe { capi::pa_timeval_age(&(self.0).0) })
}
pub fn checked_add(self, other: MicroSeconds) -> Option<Self> {
self.0.checked_add_us(other).and_then(|us| Some(UnixTs(us)))
}
pub fn checked_sub(self, other: MicroSeconds) -> Option<Self> {
self.0.checked_sub_us(other).and_then(|us| Some(UnixTs(us)))
}
}
impl Add<MicroSeconds> for UnixTs {
type Output = Self;
fn add(self, other: MicroSeconds) -> Self {
UnixTs(self.0 + other)
}
}
impl AddAssign<MicroSeconds> for UnixTs {
fn add_assign(&mut self, rhs: MicroSeconds) {
*self = *self + rhs;
}
}
impl Sub<MicroSeconds> for UnixTs {
type Output = Self;
fn sub(self, other: MicroSeconds) -> Self {
UnixTs(self.0 - other)
}
}
impl SubAssign<MicroSeconds> for UnixTs {
fn sub_assign(&mut self, rhs: MicroSeconds) {
*self = *self - rhs;
}
}
impl std::fmt::Display for UnixTs {
fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
write!(f, "{:?}", self.0)
}
}