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use clap::{App, Arg};
use log;
use version;
pub struct Config {
pub log_level: log::LevelFilter,
pub log_to_file: bool,
pub log_stdout_timestamps: bool,
pub run_as_service: bool,
pub register_service: bool,
}
pub fn get_config() -> Config {
let app = create_app();
let matches = app.get_matches();
let log_level = match matches.occurrences_of("v") {
0 => log::LevelFilter::Info,
1 => log::LevelFilter::Debug,
_ => log::LevelFilter::Trace,
};
let log_to_file = !matches.is_present("disable_log_to_file");
let log_stdout_timestamps = !matches.is_present("disable_stdout_timestamps");
let run_as_service = cfg!(windows) && matches.is_present("run_as_service");
let register_service = cfg!(windows) && matches.is_present("register_service");
Config {
log_level,
log_to_file,
log_stdout_timestamps,
run_as_service,
register_service,
}
}
fn create_app() -> App<'static, 'static> {
let app = App::new(crate_name!())
.version(version::CURRENT)
.author(crate_authors!())
.about(crate_description!())
.arg(
Arg::with_name("v")
.short("v")
.multiple(true)
.help("Sets the level of verbosity."),
)
.arg(
Arg::with_name("disable_log_to_file")
.long("disable-log-to-file")
.help("Disable logging to file"),
)
.arg(
Arg::with_name("disable_stdout_timestamps")
.long("disable-stdout-timestamps")
.help("Don't log timestamps when logging to stdout, useful when running as a systemd service")
);
if cfg!(windows) {
app.arg(
Arg::with_name("run_as_service")
.long("run-as-service")
.help("Run as a system service. On Windows this option must be used when running a system service"),
).arg(
Arg::with_name("register_service")
.long("register-service")
.help("Register itself as a system service"),
)
} else {
app
}
}
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