openethereum/ipc/tests/service.rs.in
2016-03-30 02:20:01 +03:00

48 lines
1.3 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/>.
use std::sync::RwLock;
use std::ops::*;
pub struct Service {
pub commits: RwLock<usize>,
pub rollbacks: RwLock<usize>,
}
#[derive(Ipc)]
impl Service {
fn commit(&self, f: u32) -> u32 {
let mut lock = self.commits.write().unwrap();
*lock = *lock + f as usize;
f
}
pub fn rollback(&self, a: Option<u32>, b: u32) -> i32 {
let a_0 = a.unwrap_or_else(|| 0);
let mut lock = self.rollbacks.write().unwrap();
*lock = *lock + a_0 as usize - b as usize;
(a_0 - b) as i32
}
}
impl Service {
pub fn new() -> Service {
Service {
commits: RwLock::new(0usize),
rollbacks: RwLock::new(0usize),
}
}
}