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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// option. This file may not be copied, modified, or distributed
// except according to those terms.
#![allow(clippy::module_name_repetitions)]
use std::{
io::Write,
sync::{Once, OnceLock},
time::{Duration, Instant},
};
use env_logger::Builder;
#[macro_export]
macro_rules! do_log {
(target: $target:expr, $lvl:expr, $($arg:tt)+) => ({
let lvl = $lvl;
if lvl <= ::log::STATIC_MAX_LEVEL && lvl <= ::log::max_level() {
::log::logger().log(
&::log::Record::builder()
.args(format_args!($($arg)+))
.level(lvl)
.target($target)
.module_path_static(Some(module_path!()))
.file_static(Some(file!()))
.line(Some(line!()))
.build()
);
}
});
($lvl:expr, $($arg:tt)+) => ($crate::do_log!(target: module_path!(), $lvl, $($arg)+))
}
#[macro_export]
macro_rules! log_subject {
($lvl:expr, $subject:expr) => {{
if $lvl <= ::log::max_level() {
format!("{}", $subject)
} else {
String::new()
}
}};
}
fn since_start() -> Duration {
static START_TIME: OnceLock<Instant> = OnceLock::new();
START_TIME.get_or_init(Instant::now).elapsed()
}
pub fn init(level_filter: Option<log::LevelFilter>) {
static INIT_ONCE: Once = Once::new();
if ::log::STATIC_MAX_LEVEL == ::log::LevelFilter::Off {
return;
}
INIT_ONCE.call_once(|| {
let mut builder = Builder::from_env("RUST_LOG");
if let Some(filter) = level_filter {
builder.filter_level(filter);
}
builder.format(|buf, record| {
let elapsed = since_start();
writeln!(
buf,
"{}s{:3}ms {} {}",
elapsed.as_secs(),
elapsed.as_millis() % 1000,
record.level(),
record.args()
)
});
if let Err(e) = builder.try_init() {
do_log!(::log::Level::Warn, "Logging initialization error {:?}", e);
} else {
do_log!(::log::Level::Debug, "Logging initialized");
}
});
}
#[macro_export]
macro_rules! log_invoke {
($lvl:expr, $ctx:expr, $($arg:tt)*) => ( {
::neqo_common::log::init(None);
::neqo_common::do_log!($lvl, "[{}] {}", $ctx, format!($($arg)*));
} )
}
#[macro_export]
macro_rules! qerror {
([$ctx:expr], $($arg:tt)*) => (::neqo_common::log_invoke!(::log::Level::Error, $ctx, $($arg)*););
($($arg:tt)*) => ( { ::neqo_common::log::init(None); ::neqo_common::do_log!(::log::Level::Error, $($arg)*); } );
}
#[macro_export]
macro_rules! qwarn {
([$ctx:expr], $($arg:tt)*) => (::neqo_common::log_invoke!(::log::Level::Warn, $ctx, $($arg)*););
($($arg:tt)*) => ( { ::neqo_common::log::init(None); ::neqo_common::do_log!(::log::Level::Warn, $($arg)*); } );
}
#[macro_export]
macro_rules! qinfo {
([$ctx:expr], $($arg:tt)*) => (::neqo_common::log_invoke!(::log::Level::Info, $ctx, $($arg)*););
($($arg:tt)*) => ( { ::neqo_common::log::init(None); ::neqo_common::do_log!(::log::Level::Info, $($arg)*); } );
}
#[macro_export]
macro_rules! qdebug {
([$ctx:expr], $($arg:tt)*) => (::neqo_common::log_invoke!(::log::Level::Debug, $ctx, $($arg)*););
($($arg:tt)*) => ( { ::neqo_common::log::init(None); ::neqo_common::do_log!(::log::Level::Debug, $($arg)*); } );
}
#[macro_export]
macro_rules! qtrace {
([$ctx:expr], $($arg:tt)*) => (::neqo_common::log_invoke!(::log::Level::Trace, $ctx, $($arg)*););
($($arg:tt)*) => ( { ::neqo_common::log::init(None); ::neqo_common::do_log!(::log::Level::Trace, $($arg)*); } );
}