rustls 0.23.12

Rustls is a modern TLS library written in Rust.
Documentation 
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#![cfg_attr(read_buf, feature(read_buf))]
#![cfg_attr(read_buf, feature(core_io_borrowed_buf))]

use std::cell::RefCell;

#[macro_use]
mod macros;

#[cfg(feature = "ring")]
#[path = "."]
mod tests_with_ring {
    use super::*;

    provider_ring!();

    #[path = "../api.rs"]
    mod tests;
}

#[cfg(feature = "aws_lc_rs")]
#[path = "."]
mod tests_with_aws_lc_rs {
    use super::*;

    provider_aws_lc_rs!();

    #[path = "../api.rs"]
    mod tests;
}

// this must be outside tests_with_*, as we want
// one thread_local!, not one per provider.
thread_local!(static COUNTS: RefCell<LogCounts> = RefCell::new(LogCounts::new()));

struct CountingLogger;

#[allow(dead_code)]
static LOGGER: CountingLogger = CountingLogger;

#[allow(dead_code)]
impl CountingLogger {
    fn install() {
        let _ = log::set_logger(&LOGGER);
        log::set_max_level(log::LevelFilter::Trace);
    }

    fn reset() {
        COUNTS.with(|c| {
            c.borrow_mut().reset();
        });
    }
}

impl log::Log for CountingLogger {
    fn enabled(&self, _metadata: &log::Metadata) -> bool {
        true
    }

    fn log(&self, record: &log::Record) {
        println!("logging at {:?}: {:?}", record.level(), record.args());

        COUNTS.with(|c| {
            c.borrow_mut().add(record.level());
        });
    }

    fn flush(&self) {}
}

#[derive(Default, Debug)]
struct LogCounts {
    trace: usize,
    debug: usize,
    info: usize,
    warn: usize,
    error: usize,
}

impl LogCounts {
    fn new() -> Self {
        Self {
            ..Default::default()
        }
    }

    fn reset(&mut self) {
        *self = Self::new();
    }

    fn add(&mut self, level: log::Level) {
        match level {
            log::Level::Trace => self.trace += 1,
            log::Level::Debug => self.debug += 1,
            log::Level::Info => self.info += 1,
            log::Level::Warn => self.warn += 1,
            log::Level::Error => self.error += 1,
        }
    }
}