// 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 . //! Parity interprocess hypervisor module pub mod service; pub const HYPERVISOR_IPC_URL: &'static str = "ipc:///tmp/parity-internal-hyper-status.ipc"; use nanoipc; use std::sync::{Arc,RwLock}; use hypervisor::service::*; use ipc::IpcInterface; pub struct Hypervisor { service: Arc, ipc_worker: RwLock>, } impl Hypervisor { /// initializes the Hypervisor service with the open ipc socket for incoming clients pub fn init() -> Arc{ Hypervisor::with_url(HYPERVISOR_IPC_URL) } fn with_url(addr: &str) -> Arc{ let service = HypervisorService::new(); let mut worker = nanoipc::Worker::new(&service); worker.add_reqrep(addr); Arc::new(Hypervisor{ service: service, ipc_worker: RwLock::new(worker), }) } pub fn modules_ready(&self) -> bool { self.service.unchecked_count() == 0 } /// Waits for every required module to check in pub fn wait_for_startup(&self) { let mut worker = self.ipc_worker.write().unwrap(); while !self.modules_ready() { worker.poll() } } } mod tests { use super::*; #[test] fn can_init() { let hypervisor = Hypervisor::with_url("ipc:///tmp/test-parity-hypervisor-10"); assert_eq!(false, hypervisor.modules_ready()); } #[test] fn can_wait_for_startup() { let hypervisor = Hypervisor::with_url("ipc:///tmp/test-parity-hypervisor-10"); hypervisor.wait_for_startup(); assert_eq!(false, hypervisor.modules_ready()); } }