openethereum/parity/dir.rs
2016-08-22 19:41:58 +03:00

94 lines
2.9 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::fs;
use std::path::{PathBuf, Path};
use util::{H64, H256};
use util::journaldb::Algorithm;
use helpers::replace_home;
// this const is irrelevent cause we do have migrations now,
// but we still use it for backwards compatibility
const LEGACY_CLIENT_DB_VER_STR: &'static str = "5.3";
#[derive(Debug, PartialEq)]
pub struct Directories {
pub db: String,
pub keys: String,
pub signer: String,
pub dapps: String,
}
impl Default for Directories {
fn default() -> Self {
Directories {
db: replace_home("$HOME/.parity"),
keys: replace_home("$HOME/.parity/keys"),
signer: replace_home("$HOME/.parity/signer"),
dapps: replace_home("$HOME/.parity/dapps"),
}
}
}
impl Directories {
pub fn create_dirs(&self) -> Result<(), String> {
try!(fs::create_dir_all(&self.db).map_err(|e| e.to_string()));
try!(fs::create_dir_all(&self.keys).map_err(|e| e.to_string()));
try!(fs::create_dir_all(&self.signer).map_err(|e| e.to_string()));
try!(fs::create_dir_all(&self.dapps).map_err(|e| e.to_string()));
Ok(())
}
/// Get the root path for database
pub fn db_version_path(&self, genesis_hash: H256, fork_name: Option<&String>, pruning: Algorithm) -> PathBuf {
let mut dir = Path::new(&self.db).to_path_buf();
dir.push(format!("{:?}{}", H64::from(genesis_hash), fork_name.map(|f| format!("-{}", f)).unwrap_or_default()));
dir.push(format!("v{}-sec-{}", LEGACY_CLIENT_DB_VER_STR, pruning.as_internal_name_str()));
dir
}
/// Get the path for the databases given the genesis_hash and information on the databases.
pub fn client_path(&self, genesis_hash: H256, fork_name: Option<&String>, pruning: Algorithm) -> PathBuf {
let mut dir = self.db_version_path(genesis_hash, fork_name, pruning);
dir.push("db");
dir
}
/// Get the ipc sockets path
pub fn ipc_path(&self) -> PathBuf {
let mut dir = Path::new(&self.db).to_path_buf();
dir.push("ipc");
dir
}
}
#[cfg(test)]
mod tests {
use super::Directories;
use helpers::replace_home;
#[test]
fn test_default_directories() {
let expected = Directories {
db: replace_home("$HOME/.parity"),
keys: replace_home("$HOME/.parity/keys"),
signer: replace_home("$HOME/.parity/signer"),
dapps: replace_home("$HOME/.parity/dapps"),
};
assert_eq!(expected, Directories::default());
}
}