70 lines
2.2 KiB
Rust
70 lines
2.2 KiB
Rust
// 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,Arc};
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use std::ops::*;
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use ipc::IpcConfig;
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use std::collections::HashMap;
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pub type IpcModuleId = u64;
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/// Blockhain database module id
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pub const BLOCKCHAIN_MODULE_ID: IpcModuleId = 2000;
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/// IPC service that handles module management
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pub struct HypervisorService {
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check_list: RwLock<HashMap<IpcModuleId, bool>>,
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}
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#[derive(Ipc)]
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impl HypervisorService {
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fn module_ready(&self, module_id: u64) -> bool {
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let mut check_list = self.check_list.write().unwrap();
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check_list.get_mut(&module_id).map(|mut status| *status = true);
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check_list.iter().any(|(_, status)| !status)
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}
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}
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impl HypervisorService {
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/// New service with the default list of modules
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pub fn new() -> Arc<HypervisorService> {
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HypervisorService::with_modules(vec![])
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}
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/// New service with list of modules that will report for being ready
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pub fn with_modules(module_ids: Vec<IpcModuleId>) -> Arc<HypervisorService> {
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let mut check_list = HashMap::new();
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for module_id in module_ids {
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check_list.insert(module_id, false);
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}
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Arc::new(HypervisorService {
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check_list: RwLock::new(check_list),
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})
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}
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/// Number of modules still being waited for check-in
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pub fn unchecked_count(&self) -> usize {
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self.check_list.read().unwrap().iter().filter(|&(_, status)| !status).count()
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}
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/// List of all modules within this service
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pub fn module_ids(&self) -> Vec<IpcModuleId> {
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self.check_list.read().unwrap().iter().map(|(module_id, _)| module_id).cloned().collect()
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}
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}
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impl ::ipc::IpcConfig for HypervisorService {}
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