113 lines
3.7 KiB
Rust
113 lines
3.7 KiB
Rust
// Copyright 2015, 2016 Ethcore (UK) Ltd.
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// This file is part of Parity.
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// Parity is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Parity is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Parity. If not, see <http://www.gnu.org/licenses/>.
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//! Parity sync service
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use nanoipc;
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use ipc;
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use std;
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use std::sync::Arc;
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use hypervisor::{HypervisorServiceClient, SYNC_MODULE_ID, HYPERVISOR_IPC_URL};
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use ctrlc::CtrlC;
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use std::sync::atomic::{AtomicBool, Ordering};
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use docopt::Docopt;
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use ethcore::client::{RemoteClient, ChainNotify};
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use ethsync::{SyncProvider, EthSync, ManageNetwork, ServiceConfiguration};
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use std::thread;
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use nanoipc::IpcInterface;
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use modules::service_urls;
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use ethcore_logger::{Config as LogConfig, setup_log};
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const USAGE: &'static str = "
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Ethcore sync service
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Usage:
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parity sync [options]
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Options:
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-l --logging LOGGING Specify the logging level. Must conform to the same
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format as RUST_LOG.
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--log-file FILENAME Specify a filename into which logging should be
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directed.
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--no-color Don't use terminal color codes in output.
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";
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#[derive(Debug, RustcDecodable)]
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struct Args {
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flag_logging: Option<String>,
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flag_log_file: Option<String>,
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flag_no_color: bool,
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}
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impl Args {
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pub fn log_settings(&self) -> LogConfig {
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LogConfig {
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color: self.flag_no_color || cfg!(windows),
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mode: self.flag_logging.clone(),
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file: self.flag_log_file.clone(),
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}
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}
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}
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fn run_service<T: ?Sized + Send + Sync + 'static>(addr: &str, stop_guard: Arc<AtomicBool>, service: Arc<T>) where T: IpcInterface {
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let socket_url = addr.to_owned();
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std::thread::spawn(move || {
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let mut worker = nanoipc::Worker::<T>::new(&service);
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worker.add_reqrep(&socket_url).unwrap();
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while !stop_guard.load(Ordering::Relaxed) {
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worker.poll();
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}
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});
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}
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pub fn main() {
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use std::io::{self, Read};
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let args: Args = Docopt::new(USAGE)
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.and_then(|d| d.decode())
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.unwrap_or_else(|e| e.exit());
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setup_log(&args.log_settings()).expect("Log initialization failure");
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let mut buffer = Vec::new();
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io::stdin().read_to_end(&mut buffer).expect("Failed to read initialisation payload");
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let service_config = ipc::binary::deserialize::<ServiceConfiguration>(&buffer).expect("Failed deserializing initialisation payload");
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let remote_client = nanoipc::init_client::<RemoteClient<_>>(service_urls::CLIENT).unwrap();
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remote_client.handshake().unwrap();
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let stop = Arc::new(AtomicBool::new(false));
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let sync = EthSync::new(service_config.sync, remote_client.service().clone(), service_config.net).unwrap();
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run_service(service_urls::SYNC, stop.clone(), sync.clone() as Arc<SyncProvider>);
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run_service(service_urls::NETWORK_MANAGER, stop.clone(), sync.clone() as Arc<ManageNetwork>);
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run_service(service_urls::SYNC_NOTIFY, stop.clone(), sync.clone() as Arc<ChainNotify>);
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let hypervisor_client = nanoipc::init_client::<HypervisorServiceClient<_>>(HYPERVISOR_IPC_URL).unwrap();
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hypervisor_client.handshake().unwrap();
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hypervisor_client.module_ready(SYNC_MODULE_ID);
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let terminate_stop = stop.clone();
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CtrlC::set_handler(move || {
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terminate_stop.store(true, Ordering::Relaxed);
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});
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while !stop.load(Ordering::Relaxed) {
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thread::park_timeout(std::time::Duration::from_millis(1000));
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}
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}
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