openethereum/parity/sync.rs
2016-10-11 18:37:31 +01:00

95 lines
3.3 KiB
Rust

// Copyright 2015, 2016 Ethcore (UK) Ltd.
// This file is part of Parity.
// Parity 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.
// Parity 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 Parity. If not, see <http://www.gnu.org/licenses/>.
//! Parity sync service
use std::sync::Arc;
use std::sync::atomic::AtomicBool;
use hypervisor::{SYNC_MODULE_ID, HYPERVISOR_IPC_URL, ControlService};
use ethcore::client::ChainNotify;
use ethcore::client::remote::RemoteClient;
use ethcore::snapshot::remote::RemoteSnapshotService;
use ethsync::{SyncProvider, EthSync, ManageNetwork, ServiceConfiguration};
use modules::service_urls;
use boot;
use nanoipc;
#[derive(Default)]
struct SyncControlService {
pub stop: Arc<AtomicBool>,
}
impl ControlService for SyncControlService {
fn shutdown(&self) -> bool {
trace!(target: "hypervisor", "Received shutdown from control service");
self.stop.store(true, ::std::sync::atomic::Ordering::SeqCst);
true
}
}
pub fn main() {
boot::setup_cli_logger("sync");
let service_config: ServiceConfiguration = boot::payload()
.unwrap_or_else(|e| panic!("Fatal: error reading boot arguments ({:?})", e));
let remote_client = dependency!(RemoteClient, &service_urls::with_base(&service_config.io_path, service_urls::CLIENT));
let remote_snapshot = dependency!(RemoteSnapshotService, &service_urls::with_base(&service_config.io_path, service_urls::SNAPSHOT));
let sync = EthSync::new(service_config.sync, remote_client.service().clone(), remote_snapshot.service().clone(), service_config.net).unwrap();
let _ = boot::main_thread();
let service_stop = Arc::new(AtomicBool::new(false));
let hypervisor = boot::register(
&service_urls::with_base(&service_config.io_path, HYPERVISOR_IPC_URL),
&service_urls::with_base(&service_config.io_path, service_urls::SYNC_CONTROL),
SYNC_MODULE_ID
);
boot::host_service(
&service_urls::with_base(&service_config.io_path, service_urls::SYNC),
service_stop.clone(),
sync.clone() as Arc<SyncProvider>
);
boot::host_service(
&service_urls::with_base(&service_config.io_path, service_urls::NETWORK_MANAGER),
service_stop.clone(),
sync.clone() as Arc<ManageNetwork>
);
boot::host_service(
&service_urls::with_base(&service_config.io_path, service_urls::SYNC_NOTIFY),
service_stop.clone(),
sync.clone() as Arc<ChainNotify>
);
let control_service = Arc::new(SyncControlService::default());
let as_control = control_service.clone() as Arc<ControlService>;
let mut worker = nanoipc::Worker::<ControlService>::new(&as_control);
let thread_stop = control_service.stop.clone();
worker.add_reqrep(
&service_urls::with_base(&service_config.io_path, service_urls::SYNC_CONTROL)
).unwrap();
while !thread_stop.load(::std::sync::atomic::Ordering::SeqCst) {
worker.poll();
}
service_stop.store(true, ::std::sync::atomic::Ordering::SeqCst);
hypervisor.module_shutdown(SYNC_MODULE_ID);
trace!(target: "hypervisor", "Sync process terminated gracefully");
}