openethereum/ethcore/src/client/config.rs
Marek Kotewicz 06fe768ac2 Polishing Actually enable fat db pr (#1974) (#2048)
* Actually enable fat db, and do RPCs for it.

* Implement HashDB traits for AccountDB.

* user defaults

* finished user defaults

* user defaults are network-dependent

* added tests for newly added functions, logger is initialized first

* dir cleanup in progress

* user_file is placed next to snapshots

* fixing requested change
2016-10-03 11:13:10 +02:00

132 lines
3.7 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::str::FromStr;
pub use std::time::Duration;
pub use blockchain::Config as BlockChainConfig;
pub use trace::Config as TraceConfig;
pub use evm::VMType;
use verification::{VerifierType, QueueConfig};
use util::{journaldb, CompactionProfile};
/// Client state db compaction profile
#[derive(Debug, PartialEq)]
pub enum DatabaseCompactionProfile {
/// Default compaction profile
Default,
/// HDD or other slow storage io compaction profile
HDD,
}
impl Default for DatabaseCompactionProfile {
fn default() -> Self {
DatabaseCompactionProfile::Default
}
}
impl DatabaseCompactionProfile {
/// Returns corresponding compaction profile.
pub fn compaction_profile(&self) -> CompactionProfile {
match *self {
DatabaseCompactionProfile::Default => Default::default(),
DatabaseCompactionProfile::HDD => CompactionProfile::hdd(),
}
}
}
impl FromStr for DatabaseCompactionProfile {
type Err = String;
fn from_str(s: &str) -> Result<Self, Self::Err> {
match s {
"ssd" | "default" => Ok(DatabaseCompactionProfile::Default),
"hdd" => Ok(DatabaseCompactionProfile::HDD),
_ => Err("Invalid compaction profile given. Expected hdd/ssd (default).".into()),
}
}
}
/// Operating mode for the client.
#[derive(Debug, Eq, PartialEq, Clone)]
pub enum Mode {
/// Always on.
Active,
/// Goes offline after RLP is inactive for some (given) time, but
/// comes back online after a while of inactivity.
Passive(Duration, Duration),
/// Goes offline after RLP is inactive for some (given) time and
/// stays inactive.
Dark(Duration),
}
impl Default for Mode {
fn default() -> Self {
Mode::Active
}
}
/// Client configuration. Includes configs for all sub-systems.
#[derive(Debug, PartialEq, Default)]
pub struct ClientConfig {
/// Block queue configuration.
pub queue: QueueConfig,
/// Blockchain configuration.
pub blockchain: BlockChainConfig,
/// Trace configuration.
pub tracing: TraceConfig,
/// VM type.
pub vm_type: VMType,
/// Fat DB enabled?
pub fat_db: bool,
/// The JournalDB ("pruning") algorithm to use.
pub pruning: journaldb::Algorithm,
/// The name of the client instance.
pub name: String,
/// State db cache-size if not default
pub db_cache_size: Option<usize>,
/// State db compaction profile
pub db_compaction: DatabaseCompactionProfile,
/// Should db have WAL enabled?
pub db_wal: bool,
/// Operating mode
pub mode: Mode,
/// Type of block verifier used by client.
pub verifier_type: VerifierType,
}
#[cfg(test)]
mod test {
use super::{DatabaseCompactionProfile, Mode};
#[test]
fn test_default_compaction_profile() {
assert_eq!(DatabaseCompactionProfile::default(), DatabaseCompactionProfile::Default);
}
#[test]
fn test_parsing_compaction_profile() {
assert_eq!(DatabaseCompactionProfile::Default, "ssd".parse().unwrap());
assert_eq!(DatabaseCompactionProfile::Default, "default".parse().unwrap());
assert_eq!(DatabaseCompactionProfile::HDD, "hdd".parse().unwrap());
}
#[test]
fn test_mode_default() {
assert_eq!(Mode::default(), Mode::Active);
}
}