2016-03-24 22:07:01 +01:00
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// 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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use std::sync::RwLock;
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2016-03-29 00:40:30 +02:00
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use std::ops::*;
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2016-03-24 22:07:01 +01:00
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pub struct Service {
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pub commits: RwLock<usize>,
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pub rollbacks: RwLock<usize>,
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}
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#[derive(Ipc)]
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impl Service {
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fn commit(&self, f: u32) -> u32 {
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let mut lock = self.commits.write().unwrap();
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*lock = *lock + f as usize;
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f
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}
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pub fn rollback(&self, a: u32, b: u32) -> i32 {
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let mut lock = self.rollbacks.write().unwrap();
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*lock = *lock + a as usize - b as usize;
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(a - b) as i32
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}
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}
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2016-03-29 00:40:30 +02:00
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impl<S: ::ipc::IpcSocket> ServiceProxy<S> {
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pub fn commit(&self, f: u32) -> u32 {
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#[derive(Serialize)]
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struct Request<'a> {
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f: &'a u32,
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}
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let payload = Request{ f: &f, };
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let mut socket_ref = self.socket.borrow_mut();
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let mut socket = socket_ref.deref_mut();
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let serialized_payload = ::bincode::serde::serialize(&payload, ::bincode::SizeLimit::Infinite).unwrap();
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::ipc::invoke(0, &Some(serialized_payload), &mut socket);
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while !socket.ready().load(::std::sync::atomic::Ordering::Relaxed) { }
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::bincode::serde::deserialize_from::<_, u32>(&mut socket, ::bincode::SizeLimit::Infinite).unwrap()
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}
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pub fn new(socket: S) -> ServiceProxy<S> {
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ServiceProxy {
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socket: ::std::cell::RefCell::new(socket),
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phantom: ::std::marker::PhantomData,
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}
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}
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#[cfg(test)]
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pub fn socket(&self) -> &::std::cell::RefCell<S> {
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&self.socket
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}
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}
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2016-03-24 22:07:01 +01:00
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impl Service {
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pub fn new() -> Service {
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Service {
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commits: RwLock::new(0usize),
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rollbacks: RwLock::new(0usize),
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}
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}
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}
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