2016-05-19 14:36:15 +02:00
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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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extern crate ethcore_ipc as ipc;
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extern crate rocksdb;
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extern crate ethcore_devtools as devtools;
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extern crate semver;
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extern crate ethcore_ipc_nano as nanoipc;
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2016-05-31 13:05:43 +02:00
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extern crate nanomsg;
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extern crate crossbeam;
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2016-05-19 14:36:15 +02:00
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extern crate ethcore_util as util;
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pub mod database;
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pub mod traits;
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2016-05-31 13:05:43 +02:00
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pub use traits::{DatabaseService, DBTransaction, Error};
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pub use database::{Database, DatabaseClient, DatabaseIterator};
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use std::sync::Arc;
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use std::sync::atomic::*;
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use std::path::PathBuf;
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pub type DatabaseNanoClient = DatabaseClient<::nanomsg::Socket>;
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pub type DatabaseConnection = nanoipc::GuardedSocket<DatabaseNanoClient>;
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#[derive(Debug)]
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pub enum ServiceError {
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Io(std::io::Error),
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Socket(nanoipc::SocketError),
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}
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impl std::convert::From<std::io::Error> for ServiceError {
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fn from(io_error: std::io::Error) -> ServiceError { ServiceError::Io(io_error) }
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}
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impl std::convert::From<nanoipc::SocketError> for ServiceError {
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fn from(socket_error: nanoipc::SocketError) -> ServiceError { ServiceError::Socket(socket_error) }
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}
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pub fn blocks_service_url(db_path: &str) -> Result<String, std::io::Error> {
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let mut path = PathBuf::from(db_path);
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try!(::std::fs::create_dir_all(db_path));
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path.push("blocks.ipc");
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Ok(format!("ipc://{}", path.to_str().unwrap()))
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}
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pub fn extras_service_url(db_path: &str) -> Result<String, ::std::io::Error> {
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let mut path = PathBuf::from(db_path);
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try!(::std::fs::create_dir_all(db_path));
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path.push("extras.ipc");
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Ok(format!("ipc://{}", path.to_str().unwrap()))
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}
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pub fn blocks_client(db_path: &str) -> Result<DatabaseConnection, ServiceError> {
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let url = try!(blocks_service_url(db_path));
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let client = try!(nanoipc::init_client::<DatabaseClient<_>>(&url));
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Ok(client)
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}
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pub fn extras_client(db_path: &str) -> Result<DatabaseConnection, ServiceError> {
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let url = try!(extras_service_url(db_path));
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let client = try!(nanoipc::init_client::<DatabaseClient<_>>(&url));
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Ok(client)
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}
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// for tests
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pub fn run_worker(scope: &crossbeam::Scope, stop: Arc<AtomicBool>, socket_path: &str) {
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let socket_path = socket_path.to_owned();
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scope.spawn(move || {
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let mut worker = nanoipc::Worker::new(&Arc::new(Database::new()));
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worker.add_reqrep(&socket_path).unwrap();
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while !stop.load(Ordering::Relaxed) {
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worker.poll();
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}
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});
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}
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