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save timestamps along with opens

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Scott Lamb
2018-03-09 17:41:53 -08:00
parent f81d699c8c
commit 4c8daa6d24
9 changed files with 105 additions and 54 deletions
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29
base/clock.rs
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@@ -39,7 +39,7 @@ use std::thread;
use time::{Duration, Timespec};
/// Abstract interface to the system clocks. This is for testability.
pub trait Clocks : Clone + Sync + 'static {
pub trait Clocks : Send + Sync + 'static {
/// Gets the current time from `CLOCK_REALTIME`.
fn realtime(&self) -> Timespec;
@@ -48,17 +48,17 @@ pub trait Clocks : Clone + Sync + 'static {
/// Causes the current thread to sleep for the specified time.
fn sleep(&self, how_long: Duration);
}
fn retry_forever<T, E: Into<Error>>(&self, f: &mut FnMut() -> Result<T, E>) -> T {
loop {
let e = match f() {
Ok(t) => return t,
Err(e) => e.into(),
};
let sleep_time = Duration::seconds(1);
warn!("sleeping for {:?} after error: {:?}", sleep_time, e);
self.sleep(sleep_time);
}
pub fn retry_forever<T, E: Into<Error>>(clocks: &Clocks, f: &mut FnMut() -> Result<T, E>) -> T {
loop {
let e = match f() {
Ok(t) => return t,
Err(e) => e.into(),
};
let sleep_time = Duration::seconds(1);
warn!("sleeping for {:?} after error: {:?}", sleep_time, e);
clocks.sleep(sleep_time);
}
}
@@ -89,13 +89,13 @@ impl Clocks for RealClocks {
/// Logs a warning if the TimerGuard lives "too long", using the label created by a supplied
/// function.
pub struct TimerGuard<'a, C: Clocks, S: AsRef<str>, F: FnOnce() -> S + 'a> {
pub struct TimerGuard<'a, C: Clocks + ?Sized, S: AsRef<str>, F: FnOnce() -> S + 'a> {
clocks: &'a C,
label_f: Option<F>,
start: Timespec,
}
impl<'a, C: Clocks, S: AsRef<str>, F: FnOnce() -> S + 'a> TimerGuard<'a, C, S, F> {
impl<'a, C: Clocks + ?Sized, S: AsRef<str>, F: FnOnce() -> S + 'a> TimerGuard<'a, C, S, F> {
pub fn new(clocks: &'a C, label_f: F) -> Self {
TimerGuard {
clocks,
@@ -105,7 +105,8 @@ impl<'a, C: Clocks, S: AsRef<str>, F: FnOnce() -> S + 'a> TimerGuard<'a, C, S, F
}
}
impl<'a, C: Clocks, S: AsRef<str>, F: FnOnce() -> S + 'a> Drop for TimerGuard<'a, C, S, F> {
impl<'a, C, S, F> Drop for TimerGuard<'a, C, S, F>
where C: Clocks + ?Sized, S: AsRef<str>, F: FnOnce() -> S + 'a {
fn drop(&mut self) {
let elapsed = self.clocks.monotonic() - self.start;
if elapsed.num_seconds() >= 1 {