initial setup

Cargo.lock

@@ -2,6 +2,7 @@
 name = "parity"
 version = "1.1.0"
 dependencies = [
+ "bincode 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "clippy 0.0.61 (registry+https://github.com/rust-lang/crates.io-index)",
  "ctrlc 1.1.1 (git+https://github.com/tomusdrw/rust-ctrlc.git)",
  "daemonize 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -9,6 +10,9 @@ dependencies = [
  "env_logger 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "ethcore 1.1.0",
  "ethcore-devtools 1.1.0",
+ "ethcore-ipc 1.1.0",
+ "ethcore-ipc-codegen 1.1.0",
+ "ethcore-ipc-nano 1.1.0",
  "ethcore-rpc 1.1.0",
  "ethcore-util 1.1.0",
  "ethcore-webapp 1.1.0",
@@ -17,12 +21,16 @@ dependencies = [
  "fdlimit 0.1.0",
  "hyper 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "nanomsg 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "num_cpus 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "number_prefix 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "rpassword 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-serialize 0.3.19 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc_version 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "semver 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_codegen 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syntex 0.31.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "time 0.1.35 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -63,6 +71,17 @@ dependencies = [
  "serde 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "bincode"
+version = "0.5.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "byteorder 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num 0.1.31 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustc-serialize 0.3.19 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "bitflags"
 version = "0.3.3"
@@ -78,6 +97,11 @@ name = "blastfig"
 version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "byteorder"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "bytes"
 version = "0.3.0"
@@ -254,6 +278,36 @@ dependencies = [
  "rand 0.3.14 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "ethcore-ipc"
+version = "1.1.0"
+dependencies = [
+ "ethcore-devtools 1.1.0",
+ "nanomsg 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "semver 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "ethcore-ipc-codegen"
+version = "1.1.0"
+dependencies = [
+ "aster 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ethcore-ipc 1.1.0",
+ "quasi 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quasi_codegen 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syntex 0.31.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syntex_syntax 0.31.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "ethcore-ipc-nano"
+version = "1.1.0"
+dependencies = [
+ "ethcore-ipc 1.1.0",
+ "log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "nanomsg 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "ethcore-rpc"
 version = "1.1.0"
@@ -659,6 +713,23 @@ name = "modifier"
 version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "nanomsg"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "libc 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "nanomsg-sys 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "nanomsg-sys"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "libc 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "net2"
 version = "0.2.23"

Cargo.toml

@@ -8,6 +8,9 @@ build = "build.rs"
 
 [build-dependencies]
 rustc_version = "0.1"
+syntex = "*"
+serde_codegen = "0.7.0"
+"ethcore-ipc-codegen" = { path = "ipc/codegen" }
 
 [dependencies]
 log = "0.3"
@@ -30,6 +33,11 @@ ethcore-devtools = { path = "devtools" }
 ethcore-rpc = { path = "rpc", optional = true }
 ethcore-webapp = { path = "webapp", optional = true }
 semver = "0.2"
+nanomsg = "0.5.0"
+ethcore-ipc-nano = { path = "ipc/nano" }
+"ethcore-ipc" = { path = "ipc/rpc" }
+bincode = "*"
+serde = "0.7.0"
 
 [dependencies.hyper]
 version = "0.8"

build.rs

@@ -15,11 +15,36 @@
 // along with Parity.  If not, see <http://www.gnu.org/licenses/>.
 
 extern crate rustc_version;
+extern crate syntex;
+extern crate ethcore_ipc_codegen as codegen;
+extern crate serde_codegen;
 
+use std::env;
+use std::path::Path;
 use rustc_version::{version_meta, Channel};
 
 fn main() {
 	if let Channel::Nightly = version_meta().channel {
 		println!("cargo:rustc-cfg=nightly");
 	}
+
+	let out_dir = env::var_os("OUT_DIR").unwrap();
+
+	// ipc pass
+	{
+		let src = Path::new("parity/hypervisor/service.rs.in");
+		let dst = Path::new(&out_dir).join("hypervisor_service_ipc.rs");
+		let mut registry = syntex::Registry::new();
+		codegen::register(&mut registry);
+		registry.expand("", &src, &dst).unwrap();
+	}
+
+	// serde pass
+	{
+		let src = Path::new(&out_dir).join("hypervisor_service_ipc.rs");
+		let dst = Path::new(&out_dir).join("hypervisor_service_cg.rs");
+		let mut registry = syntex::Registry::new();
+		serde_codegen::register(&mut registry);
+		registry.expand("", &src, &dst).unwrap();
+	}
 }

ipc/nano/src/lib.rs

@@ -155,6 +155,26 @@ impl<S> Worker<S> where S: IpcInterface<S> {
 
 		Ok(())
 	}
+
+	/// Add generic socket for request-reply style communications
+	/// with multiple clients
+	pub fn add_reqrep(&mut self, addr: &str) -> Result<(), SocketError>  {
+		let mut socket = try!(Socket::new(Protocol::Rep).map_err(|e| {
+			warn!(target: "ipc", "Failed to create ipc socket: {:?}", e);
+			SocketError::DuplexLink
+		}));
+
+		let endpoint = try!(socket.bind(addr).map_err(|e| {
+			warn!(target: "ipc", "Failed to bind socket to address '{}': {:?}", addr, e);
+			SocketError::DuplexLink
+		}));
+
+		self.sockets.push((socket, endpoint));
+
+		self.rebuild_poll_request();
+
+		Ok(())
+	}
 }
 
 #[cfg(test)]

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);