initial setup

parity/hypervisor/mod.rs

@@ -0,0 +1,44 @@
+// 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 interprocess hypervisor module
+
+pub mod service;
+
+pub const HYPERVISOR_IPC_URL: &'static str = "ipc:///tmp/parity-internal-hyper-status.ipc";
+
+use nanoipc;
+
+pub struct Hypervisor {
+	ipc_worker: RwLock<nanoipc::Worker<HypervisorService>>,
+}
+
+impl Hypervisor {
+	/// initializes the Hypervisor service with the open ipc socket for incoming clients
+	pub fn init() -> Arc<Hypervisor>{
+		let mut worker = nanoipc::Worker::<HypervisorService>::new(Arc::new(Service::new()));
+		worker.add_reqrep(HYPERVISOR_IPC_URL);
+
+		Arc::new(Hypervisor{
+			ipc_worker: worker
+		})
+	}
+
+	/// Waits for every required module to check in
+	pub fn wait_for_startup() {
+
+	}
+}

parity/hypervisor/service.rs

@@ -0,0 +1,19 @@
+// 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 interprocess hypervisor IPC service
+
+include!(concat!(env!("OUT_DIR"), "/hypervisor_service_cg.rs"));

parity/hypervisor/service.rs.in

@@ -0,0 +1,50 @@
+// 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/>.
+
+use std::sync::{RwLock,Arc};
+use std::ops::*;
+use ipc::IpcConfig;
+use std::collections::HashMap;
+
+type IpcModuleId = u64;
+
+const DATABASE_MODULE_ID: IpcModuleId = 1000;
+const BLOCKCHAIN_MODULE_ID: IpcModuleId = 2000;
+
+pub struct HypervisorService {
+	check_list: RwLock<HashMap<IpcModuleId, bool>>,
+}
+
+#[derive(Ipc)]
+impl HypervisorService {
+	fn module_ready(&self, module_id: u64) -> bool {
+		let mut check_list = self.check_list.write().unwrap();
+		check_list.get_mut(&module_id).map(|mut status| *status = true);
+		check_list.iter().any(|(_, status)| !status)
+	}
+}
+
+impl HypervisorService {
+	pub fn new() -> Arc<HypervisorService> {
+		let mut check_list = HashMap::new();
+		check_list.insert(DATABASE_MODULE_ID, false);
+		Arc::new(HypervisorService {
+			check_list: RwLock::new(check_list),
+		})
+	}
+}
+
+impl ::ipc::IpcConfig for HypervisorService {}

parity/main.rs

@@ -37,6 +37,10 @@ extern crate time;
 extern crate number_prefix;
 extern crate rpassword;
 extern crate semver;
+extern crate ethcore_ipc as ipc;
+extern crate ethcore_ipc_nano as nanoipc;
+extern crate serde;
+extern crate bincode;
 
 // for price_info.rs
 #[macro_use] extern crate hyper;
@@ -73,6 +77,7 @@ use webapp::Listening as WebappServer;
 
 mod price_info;
 mod upgrade;
+mod hypervisor;
 
 fn die_with_message(msg: &str) -> ! {
 	println!("ERROR: {}", msg);