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// Copyright 2017-2019 int08h LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//!
//! Roughtime server
//!
//! # Configuration
//! The server has multiple ways it can be configured, see
//! [`ServerConfig`](config/trait.ServerConfig.html) for details.
//!
#[macro_use]
extern crate log;
use std::env;
use std::process;
use std::sync::atomic::Ordering;
use roughenough::config;
use roughenough::config::ServerConfig;
use roughenough::roughenough_version;
use roughenough::server::Server;
macro_rules! check_ctrlc {
($keep_running:expr) => {
if !$keep_running.load(Ordering::Acquire) {
warn!("Ctrl-C caught, exiting...");
return;
}
};
}
fn polling_loop(config: Box<ServerConfig>) {
let mut server = Server::new(config);
info!("Long-term public key : {}", server.get_public_key());
info!("Online public key : {}", server.get_online_key());
info!(
"Max response batch size : {}",
server.get_config().batch_size()
);
info!(
"Status updates every : {} seconds",
server.get_config().status_interval().as_secs()
);
info!(
"Server listening on : {}:{}",
server.get_config().interface(),
server.get_config().port()
);
if let Some(hc_port) = server.get_config().health_check_port() {
info!(
"TCP health check : {}:{}",
server.get_config().interface(),
hc_port
);
}
let kr = server.get_keep_running();
let kr_new = kr.clone();
ctrlc::set_handler(move || kr.store(false, Ordering::Release))
.expect("failed setting Ctrl-C handler");
loop {
check_ctrlc!(kr_new);
if server.process_events() {
return;
}
}
}
pub fn main() {
use log::Level;
simple_logger::init_with_level(Level::Info).unwrap();
info!("Roughenough server v{} starting", roughenough_version());
let mut args = env::args();
if args.len() != 2 {
error!("Usage: server <ENV | /path/to/config.yaml>");
process::exit(1);
}
let arg1 = args.nth(1).unwrap();
let config = match config::make_config(&arg1) {
Err(e) => {
error!("{:?}", e);
process::exit(1)
}
Ok(ref cfg) if !config::is_valid_config(&cfg) => process::exit(1),
Ok(cfg) => cfg,
};
polling_loop(config);
info!("Done.");
process::exit(0);
}
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