macro_rules! gelf_critical {
    (extra: $extra:expr, $($arg:tt)+) => { ... };
    ($($arg:tt)+) => { ... };
}
Expand description

Logs a message at the critical level (Should be corrected immediately).

Should be corrected immediately, but indicates failure in a primary system - fix CRITICAL problems before ALERT - example is loss of primary ISP connection.

§Examples

use gelf_logger::gelf_critical;

gelf_critical!("No space left on device");