collar-ng.rs
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	use std::env::args;
	use env_logger::Env;
	use log::error;
	use libcollar::ng;

	fn main() {
	let env = Env::default()
	.filter_or("LOG_LEVEL", "trace")
	.write_style_or("LOG_STYLE", "always");

	env_logger::init_from_env(env);

	let mut argv = args();
	let prog = argv.next().unwrap();
	match argv.next() {
	None => println!("Usage: {} <command> (args)", prog),
	Some(str) => match str.as_str() {

	"new-eiface" => {
	match argv.next() {
	None => println!("Usage: {} new-eiface <name>", prog),
	Some(name) => match ng::new_eiface(&name) {
	Ok(s) => println!("ok: {:#?}", s),
	Err(e) => error!("error: {:?}", e),
	}
	}
	},

	"new-eiface-bridge" => {
	match argv.next() {
	None => println!("Usage: {} new-bridge <bridge> <name>", prog),
	Some(bridge) => match argv.next() {
	None => println!("Usage: {} new-bridge <bridge> <name>", prog),
	Some(name) => match ng::new_bridge(&bridge, &name) {
	Ok(s) => println!("ok: {}", s),
	Err(e) => error!("error: {:?}", e)
	}
	}
	}
	}

	"join-eiface-bridge" => {
	match argv.next() {
	None => println!("Usage: {} bridge-eiface <bridge> <name>", prog),
	Some(bridge) => match argv.next() {
	None => println!("Usage: {} bridge-eiface <bridge> <name>", prog),
	Some(name) => match ng::bridge_eiface(&bridge, &name) {
	Ok(s) => println!("ok: {}", s),
	Err(e) => error!("error: {:?}", e)
	}
	}
	}
	}

	"bridge" => {
	match argv.next() {
	None => println!("Usage: {} <path>", prog),
	Some(path) => match ng::go(&path) {
	Ok(s) => println!("{}", s),
	Err(e) => error!("error: {:?}", e)
	}
	}
	}

	_ => println!("Unknown action: {}", str)
	}
	}
	}

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