openethereum/parity/informant.rs
2016-04-21 13:57:27 +02:00

90 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::sync::RwLock;
use std::ops::{Deref, DerefMut};
use ethsync::{EthSync, SyncProvider};
use ethcore::client::*;
use number_prefix::{binary_prefix, Standalone, Prefixed};
pub struct Informant {
chain_info: RwLock<Option<BlockChainInfo>>,
cache_info: RwLock<Option<BlockChainCacheSize>>,
report: RwLock<Option<ClientReport>>,
}
impl Default for Informant {
fn default() -> Self {
Informant {
chain_info: RwLock::new(None),
cache_info: RwLock::new(None),
report: RwLock::new(None),
}
}
}
impl Informant {
fn format_bytes(b: usize) -> String {
match binary_prefix(b as f64) {
Standalone(bytes) => format!("{} bytes", bytes),
Prefixed(prefix, n) => format!("{:.0} {}B", n, prefix),
}
}
pub fn tick(&self, client: &Client, sync: &EthSync) {
// 5 seconds betwen calls. TODO: calculate this properly.
let dur = 5usize;
let chain_info = client.chain_info();
let queue_info = client.queue_info();
let cache_info = client.blockchain_cache_info();
let sync_info = sync.status();
let mut write_report = self.report.write().unwrap();
let report = client.report();
if let (_, _, &Some(ref last_report)) = (
self.chain_info.read().unwrap().deref(),
self.cache_info.read().unwrap().deref(),
write_report.deref()
) {
println!("[ #{} {} ]---[ {} blk/s | {} tx/s | {} gas/s //··· {}/{} peers, #{}, {}+{} queued ···// mem: {} db, {} chain, {} queue, {} sync ]",
chain_info.best_block_number,
chain_info.best_block_hash,
(report.blocks_imported - last_report.blocks_imported) / dur,
(report.transactions_applied - last_report.transactions_applied) / dur,
(report.gas_processed - last_report.gas_processed) / From::from(dur),
sync_info.num_active_peers,
sync_info.num_peers,
sync_info.last_imported_block_number.unwrap_or(chain_info.best_block_number),
queue_info.unverified_queue_size,
queue_info.verified_queue_size,
Informant::format_bytes(report.state_db_mem),
Informant::format_bytes(cache_info.total()),
Informant::format_bytes(queue_info.mem_used),
Informant::format_bytes(sync_info.mem_used),
);
}
*self.chain_info.write().unwrap().deref_mut() = Some(chain_info);
*self.cache_info.write().unwrap().deref_mut() = Some(cache_info);
*write_report.deref_mut() = Some(report);
}
}