log_wrapper/
lib.rs

1extern crate chrono;
2use chrono::Local;
3use log::{LevelFilter, Metadata, Record};
4
5pub struct ConsoleLogger;
6
7static CONSOLE_LOGGER: ConsoleLogger = ConsoleLogger;
8
9impl ConsoleLogger {
10    pub fn new(loglevel: String) {
11        log::set_logger(&CONSOLE_LOGGER).unwrap();
12        match loglevel.to_lowercase().as_str() {
13            "trace" => log::set_max_level(LevelFilter::Trace),
14            "debug" => log::set_max_level(LevelFilter::Debug),
15            "info" => log::set_max_level(LevelFilter::Info),
16            "warn" => log::set_max_level(LevelFilter::Warn),
17            "error" => log::set_max_level(LevelFilter::Error),
18            "off" => log::set_max_level(LevelFilter::Off),
19            _ => {
20                println!("Invalid loglevel. Expected trace, debug, info, warn, error or off. Received {:?}. Setting loglevel to info! anyway.", loglevel)
21            }
22        }
23    }
24}
25
26impl log::Log for ConsoleLogger {
27    fn enabled(&self, _: &Metadata) -> bool {
28        true
29    }
30    fn log(&self, record: &Record) {
31        if self.enabled(record.metadata()) {
32            println!(
33                "{} {} module:{} file:{}:{} {:?}",
34                Local::now().format("%d/%m/%Y:%H:%M:%S"),
35                record.level().to_string(),
36                record.module_path().unwrap_or("Cannot determine module"),
37                record.file().unwrap_or("Cannot determine file"),
38                record.line().unwrap_or(0),
39                record.args()
40            )
41        }
42    }
43
44    fn flush(&self) {}
45}
46