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// Copyright 2017-2018 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 `roughenough` server is configured via a YAML config file. See the documentation
//! for [FileConfig](struct.FileConfig.html) for details.
//!
//! To run the server:
//!
//! ```bash
//! $ cargo run --release --bin server /path/to/config.file
//! ```
//!
extern crate byteorder;
extern crate ctrlc;
extern crate hex;
#[macro_use]
extern crate log;
extern crate mio;
extern crate mio_extras;
extern crate ring;
extern crate roughenough;
extern crate simple_logger;
extern crate time;
extern crate untrusted;
extern crate yaml_rust;
use std::env;
use std::io::ErrorKind;
use std::process;
use std::sync::atomic::{AtomicBool, AtomicUsize, Ordering};
use std::sync::Arc;
use std::time::Duration;
use std::net::SocketAddr;
use mio::net::UdpSocket;
use mio::{Events, Poll, PollOpt, Ready, Token};
use mio_extras::timer::Timer;
use byteorder::{LittleEndian, WriteBytesExt};
use roughenough::config;
use roughenough::config::ServerConfig;
use roughenough::kms;
use roughenough::key::{LongTermKey, OnlineKey};
use roughenough::merkle::MerkleTree;
use roughenough::{Error, RtMessage, Tag};
use roughenough::{MIN_REQUEST_LENGTH, 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 response_counter = AtomicUsize::new(0);
let keep_running = Arc::new(AtomicBool::new(true));
let kr = keep_running.clone();
ctrlc::set_handler(move || kr.store(false, Ordering::Release))
.expect("failed setting Ctrl-C handler");
let sock_addr = config.socket_addr().expect("");
let socket = UdpSocket::bind(&sock_addr).expect("failed to bind to socket");
let poll_duration = Some(Duration::from_millis(100));
let mut timer: Timer<()> = Timer::default();
timer.set_timeout(config.status_interval(), ());
let mut buf = [0u8; 65_536];
let mut events = Events::with_capacity(32);
let mut num_bad_requests = 0u64;
let poll = Poll::new().unwrap();
poll.register(&socket, MESSAGE, Ready::readable(), PollOpt::edge())
.unwrap();
poll.register(&timer, STATUS, Ready::readable(), PollOpt::edge())
.unwrap();
let mut merkle = MerkleTree::new();
let mut requests = Vec::with_capacity(config.batch_size() as usize);*/
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());
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;
}
}
}
fn kms_support_str() -> &'static str {
if cfg!(feature = "awskms") {
" (+AWS KMS)"
} else if cfg!(feature = "gcpkms") {
" (+GCP KMS)"
} else {
""
}
}
pub fn main() {
use log::Level;
simple_logger::init_with_level(Level::Info).unwrap();
info!("Roughenough server v{}{} starting", VERSION, kms_support_str());
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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