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/*
* einhyrningsins: graceful restarts for socket-based daemons
* Copyright (C) 2016 Bryan Newbold <bnewbold@robocracy.org>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
extern crate getopts;
extern crate nix;
extern crate log;
extern crate env_logger;
use std::env;
use std::process::exit;
use getopts::Options;
fn print_usage(opts: Options) {
let brief = "usage:\teinhyrningsins [options] program"; // XXX:
println!("");
print!("{}", opts.usage(&brief));
}
fn main() {
println!("Hello, world!");
let args: Vec<String> = env::args().collect();
let mut opts = Options::new();
opts.optflag("h", "help", "print this help menu");
opts.optflag("v", "verbose", "more debugging messages");
opts.optflag("n", "number", "how many program copies to spawn");
opts.optflag("b", "bind", "how many program copies to spawn");
let matches = match opts.parse(&args[1..]) {
Ok(m) => { m }
Err(f) => { println!("{}", f.to_string()); print_usage(opts); exit(-1); }
};
if matches.opt_present("h") {
print_usage(opts);
return;
}
let mut builder = env_logger::LogBuilder::new();
builder.parse("INFO");
if env::var("RUST_LOG").is_ok() {
builder.parse(&env::var("RUST_LOG").unwrap());
}
builder.init().unwrap();
}
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