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Minor optimizations

This commit is contained in:
arkpar 2016-01-22 04:54:38 +01:00
parent 81bb86d0ed
commit 9bcb720f1f
7 changed files with 80 additions and 68 deletions
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19
src/bin/client/main.rs
View File

@ -14,6 +14,7 @@ use ethcore::client::*;
use ethcore::service::{ClientService, NetSyncMessage};
use ethcore::ethereum;
use ethcore::blockchain::CacheSize;
use ethcore::sync::EthSync;
fn setup_log() {
let mut builder = LogBuilder::new();
@ -30,7 +31,7 @@ fn main() {
setup_log();
let spec = ethereum::new_frontier();
let mut service = ClientService::start(spec).unwrap();
let io_handler = Arc::new(ClientIoHandler { client: service.client(), info: Default::default() });
let io_handler = Arc::new(ClientIoHandler { client: service.client(), info: Default::default(), sync: service.sync() });
service.io().register_handler(io_handler).expect("Error registering IO handler");
let exit = Arc::new(Condvar::new());
@ -60,22 +61,29 @@ impl Default for Informant {
}
impl Informant {
pub fn tick(&self, client: &Client) {
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.cache_info();
let report = client.report();
let sync_info = sync.status();
if let (_, &Some(ref last_cache_info), &Some(ref last_report)) = (self.chain_info.read().unwrap().deref(), self.cache_info.read().unwrap().deref(), self.report.read().unwrap().deref()) {
println!("[ {} {} ]---[ {} blk/s | {} tx/s | {} gas/s //···{}···// {} ({}) bl {} ({}) ex ]",
println!("[ {} {} ]---[ {} blk/s | {} tx/s | {} gas/s //··· {}/{} peers, {} downloaded, {} queued ···// {} ({}) bl {} ({}) ex ]",
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),
0, // TODO: peers
sync_info.num_active_peers,
sync_info.num_peers,
sync_info.blocks_received,
queue_info.queue_size,
cache_info.blocks,
cache_info.blocks as isize - last_cache_info.blocks as isize,
cache_info.block_details,
@ -93,6 +101,7 @@ const INFO_TIMER: TimerToken = 0;
struct ClientIoHandler {
client: Arc<Client>,
sync: Arc<EthSync>,
info: Informant,
}
@ -103,7 +112,7 @@ impl IoHandler<NetSyncMessage> for ClientIoHandler {
fn timeout(&self, _io: &IoContext<NetSyncMessage>, timer: TimerToken) {
if INFO_TIMER == timer {
self.info.tick(&self.client);
self.info.tick(&self.client, &self.sync);
}
}
}

29
src/block_queue.rs
View File

@ -10,6 +10,15 @@ use views::*;
use header::*;
use service::*;
/// Block queue status
#[derive(Debug)]
pub struct BlockQueueInfo {
/// Indicates that queue is full
pub full: bool,
/// Number of queued blocks
pub queue_size: usize,
}
/// A queue of blocks. Sits between network or other I/O and the BlockChain.
/// Sorts them ready for blockchain insertion.
pub struct BlockQueue {
@ -65,14 +74,15 @@ impl BlockQueue {
let deleting = Arc::new(AtomicBool::new(false));
let mut verifiers: Vec<JoinHandle<()>> = Vec::new();
let thread_count = max(::num_cpus::get(), 2) - 1;
for _ in 0..thread_count {
let thread_count = max(::num_cpus::get(), 3) - 2;
for i in 0..thread_count {
let verification = verification.clone();
let engine = engine.clone();
let more_to_verify = more_to_verify.clone();
let ready_signal = ready_signal.clone();
let deleting = deleting.clone();
verifiers.push(thread::spawn(move || BlockQueue::verify(verification, engine, more_to_verify, ready_signal, deleting)));
verifiers.push(thread::Builder::new().name(format!("Verifier #{}", i)).spawn(move || BlockQueue::verify(verification, engine, more_to_verify, ready_signal, deleting))
.expect("Error starting block verification thread"));
}
BlockQueue {
engine: engine,
@ -206,7 +216,7 @@ impl BlockQueue {
verification.verified = new_verified;
}
/// TODO [arkpar] Please document me
/// Removes up to `max` verified blocks from the queue
pub fn drain(&mut self, max: usize) -> Vec<PreVerifiedBlock> {
let mut verification = self.verification.lock().unwrap();
let count = min(max, verification.verified.len());
@ -217,8 +227,19 @@ impl BlockQueue {
result.push(block);
}
self.ready_signal.reset();
if !verification.verified.is_empty() {
self.ready_signal.set();
}
result
}
/// Get queue status.
pub fn queue_info(&self) -> BlockQueueInfo {
BlockQueueInfo {
full: false,
queue_size: self.verification.lock().unwrap().unverified.len(),
}
}
}
impl Drop for BlockQueue {

24
src/blockchain.rs
View File

@ -342,19 +342,19 @@ impl BlockChain {
Some(h) => h,
None => return None,
};
Some(self._tree_route((from_details, from), (to_details, to)))
Some(self._tree_route((&from_details, &from), (&to_details, &to)))
}
/// Similar to `tree_route` function, but can be used to return a route
/// between blocks which may not be in database yet.
fn _tree_route(&self, from: (BlockDetails, H256), to: (BlockDetails, H256)) -> TreeRoute {
fn _tree_route(&self, from: (&BlockDetails, &H256), to: (&BlockDetails, &H256)) -> TreeRoute {
let mut from_branch = vec![];
let mut to_branch = vec![];
let mut from_details = from.0;
let mut to_details = to.0;
let mut current_from = from.1;
let mut current_to = to.1;
let mut from_details = from.0.clone();
let mut to_details = to.0.clone();
let mut current_from = from.1.clone();
let mut current_to = to.1.clone();
// reset from && to to the same level
while from_details.number > to_details.number {
@ -409,7 +409,7 @@ impl BlockChain {
// store block in db
self.blocks_db.put(&hash, &bytes).unwrap();
let (batch, new_best) = self.block_to_extras_insert_batch(bytes);
let (batch, new_best, details) = self.block_to_extras_insert_batch(bytes);
// update best block
let mut best_block = self.best_block.write().unwrap();
@ -420,6 +420,8 @@ impl BlockChain {
// update caches
let mut write = self.block_details.write().unwrap();
write.remove(&header.parent_hash());
write.insert(hash.clone(), details);
self.note_used(CacheID::Block(hash));
// update extras database
self.extras_db.write(batch).unwrap();
@ -427,7 +429,7 @@ impl BlockChain {
/// Transforms block into WriteBatch that may be written into database
/// Additionally, if it's new best block it returns new best block object.
fn block_to_extras_insert_batch(&self, bytes: &[u8]) -> (WriteBatch, Option<BestBlock>) {
fn block_to_extras_insert_batch(&self, bytes: &[u8]) -> (WriteBatch, Option<BestBlock>, BlockDetails) {
// create views onto rlp
let block = BlockView::new(bytes);
let header = block.header_view();
@ -459,7 +461,7 @@ impl BlockChain {
// if it's not new best block, just return
if !is_new_best {
return (batch, None);
return (batch, None, details);
}
// if its new best block we need to make sure that all ancestors
@ -467,7 +469,7 @@ impl BlockChain {
// find the route between old best block and the new one
let best_hash = self.best_block_hash();
let best_details = self.block_details(&best_hash).expect("best block hash is invalid!");
let route = self._tree_route((best_details, best_hash), (details, hash.clone()));
let route = self._tree_route((&best_details, &best_hash), (&details, &hash));
match route.blocks.len() {
// its our parent
@ -494,7 +496,7 @@ impl BlockChain {
total_difficulty: total_difficulty
};
(batch, Some(best_block))
(batch, Some(best_block), details)
}
/// Returns true if transaction is known.

37
src/client.rs
View File

@ -6,8 +6,8 @@ use error::*;
use header::BlockNumber;
use spec::Spec;
use engine::Engine;
use block_queue::BlockQueue;
use db_queue::{DbQueue, StateDBCommit};
use block_queue::{BlockQueue, BlockQueueInfo};
use db_queue::{DbQueue};
use service::NetSyncMessage;
use env_info::LastHashes;
use verification::*;
@ -47,13 +47,6 @@ impl fmt::Display for BlockChainInfo {
}
}
/// Block queue status
#[derive(Debug)]
pub struct BlockQueueStatus {
/// TODO [arkpar] Please document me
pub full: bool,
}
/// TODO [arkpar] Please document me
pub type TreeRoute = ::blockchain::TreeRoute;
@ -99,7 +92,7 @@ pub trait BlockChainClient : Sync + Send {
fn import_block(&self, bytes: Bytes) -> ImportResult;
/// Get block queue information.
fn queue_status(&self) -> BlockQueueStatus;
fn queue_info(&self) -> BlockQueueInfo;
/// Clear block queue and abort all import activity.
fn clear_queue(&self);
@ -149,8 +142,6 @@ impl Client {
let mut opts = Options::new();
opts.set_max_open_files(256);
opts.create_if_missing(true);
opts.set_disable_data_sync(true);
opts.set_disable_auto_compactions(true);
/*opts.set_use_fsync(false);
opts.set_bytes_per_sync(8388608);
opts.set_disable_data_sync(false);
@ -199,7 +190,6 @@ impl Client {
/// This is triggered by a message coming from a block queue when the block is ready for insertion
pub fn import_verified_blocks(&self, _io: &IoChannel<NetSyncMessage>) {
let mut bad = HashSet::new();
let _import_lock = self.import_lock.lock();
let blocks = self.block_queue.write().unwrap().drain(128);
@ -243,11 +233,7 @@ impl Client {
}
}
let db = match self.uncommited_states.read().unwrap().get(&header.parent_hash) {
Some(db) => db.clone(),
None => self.state_db.clone(),
};
let db = self.state_db.clone();
let result = match enact_verified(&block, self.engine.deref().deref(), db, &parent, &last_hashes) {
Ok(b) => b,
Err(e) => {
@ -272,15 +258,6 @@ impl Client {
return;
}
}
/*
let db = result.drain();
self.uncommited_states.write().unwrap().insert(header.hash(), db.clone());
self.db_queue.write().unwrap().queue(StateDBCommit {
now: header.number(),
hash: header.hash().clone(),
end: ancient.map(|n|(n, self.chain.read().unwrap().block_hash(n).unwrap())),
db: db,
});*/
self.report.write().unwrap().accrue_block(&block);
trace!(target: "client", "Imported #{} ({})", header.number(), header.hash());
}
@ -369,10 +346,8 @@ impl BlockChainClient for Client {
self.block_queue.write().unwrap().import_block(bytes)
}
fn queue_status(&self) -> BlockQueueStatus {
BlockQueueStatus {
full: false
}
fn queue_info(&self) -> BlockQueueInfo {
self.block_queue.read().unwrap().queue_info()
}
fn clear_queue(&self) {

10
src/service.rs
View File

@ -21,6 +21,7 @@ pub type NetSyncMessage = NetworkIoMessage<SyncMessage>;
pub struct ClientService {
net_service: NetworkService<SyncMessage>,
client: Arc<Client>,
sync: Arc<EthSync>,
}
impl ClientService {
@ -33,7 +34,7 @@ impl ClientService {
dir.push(".parity");
dir.push(H64::from(spec.genesis_header().hash()).hex());
let client = try!(Client::new(spec, &dir, net_service.io().channel()));
EthSync::register(&mut net_service, client.clone());
let sync = EthSync::register(&mut net_service, client.clone());
let client_io = Arc::new(ClientIoHandler {
client: client.clone()
});
@ -42,6 +43,7 @@ impl ClientService {
Ok(ClientService {
net_service: net_service,
client: client,
sync: sync,
})
}
@ -53,6 +55,12 @@ impl ClientService {
/// TODO [arkpar] Please document me
pub fn client(&self) -> Arc<Client> {
self.client.clone()
}
/// Get shared sync handler
pub fn sync(&self) -> Arc<EthSync> {
self.sync.clone()
}
}

14
src/sync/chain.rs
View File

@ -107,6 +107,10 @@ pub struct SyncStatus {
pub blocks_total: usize,
/// Number of blocks downloaded so far.
pub blocks_received: usize,
/// Total number of connected peers
pub num_peers: usize,
/// Total number of active peers
pub num_active_peers: usize,
}
#[derive(PartialEq, Eq, Debug)]
@ -195,8 +199,10 @@ impl ChainSync {
start_block_number: self.starting_block,
last_imported_block_number: self.last_imported_block,
highest_block_number: self.highest_block,
blocks_total: (self.last_imported_block - self.starting_block) as usize,
blocks_received: (self.highest_block - self.starting_block) as usize,
blocks_received: (self.last_imported_block - self.starting_block) as usize,
blocks_total: (self.highest_block - self.starting_block) as usize,
num_peers: self.peers.len(),
num_active_peers: self.peers.values().filter(|p| p.asking != PeerAsking::Nothing).count(),
}
}
@ -544,7 +550,7 @@ impl ChainSync {
fn request_blocks(&mut self, io: &mut SyncIo, peer_id: PeerId) {
self.clear_peer_download(peer_id);
if io.chain().queue_status().full {
if io.chain().queue_info().full {
self.pause_sync();
return;
}
@ -971,7 +977,7 @@ impl ChainSync {
}
/// Maintain other peers. Send out any new blocks and transactions
pub fn maintain_sync(&mut self, _io: &mut SyncIo) {
pub fn _maintain_sync(&mut self, _io: &mut SyncIo) {
}
}

15
src/sync/mod.rs
View File

@ -27,7 +27,6 @@ use std::sync::*;
use client::Client;
use util::network::{NetworkProtocolHandler, NetworkService, NetworkContext, PeerId};
use sync::chain::ChainSync;
use util::TimerToken;
use service::SyncMessage;
use sync::io::NetSyncIo;
@ -38,8 +37,6 @@ mod range_collection;
#[cfg(test)]
mod tests;
const SYNC_TIMER: usize = 0;
/// Ethereum network protocol handler
pub struct EthSync {
/// Shared blockchain client. TODO: this should evetually become an IPC endpoint
@ -52,12 +49,13 @@ pub use self::chain::SyncStatus;
impl EthSync {
/// Creates and register protocol with the network service
pub fn register(service: &mut NetworkService<SyncMessage>, chain: Arc<Client>) {
pub fn register(service: &mut NetworkService<SyncMessage>, chain: Arc<Client>) -> Arc<EthSync> {
let sync = Arc::new(EthSync {
chain: chain,
sync: RwLock::new(ChainSync::new()),
});
service.register_protocol(sync.clone(), "eth", &[62u8, 63u8]).expect("Error registering eth protocol handler");
sync
}
/// Get sync status
@ -77,8 +75,7 @@ impl EthSync {
}
impl NetworkProtocolHandler<SyncMessage> for EthSync {
fn initialize(&self, io: &NetworkContext<SyncMessage>) {
io.register_timer(SYNC_TIMER, 1000).unwrap();
fn initialize(&self, _io: &NetworkContext<SyncMessage>) {
}
fn read(&self, io: &NetworkContext<SyncMessage>, peer: &PeerId, packet_id: u8, data: &[u8]) {
@ -92,12 +89,6 @@ impl NetworkProtocolHandler<SyncMessage> for EthSync {
fn disconnected(&self, io: &NetworkContext<SyncMessage>, peer: &PeerId) {
self.sync.write().unwrap().on_peer_aborting(&mut NetSyncIo::new(io, self.chain.deref()), *peer);
}
fn timeout(&self, io: &NetworkContext<SyncMessage>, timer: TimerToken) {
if timer == SYNC_TIMER {
self.sync.write().unwrap().maintain_sync(&mut NetSyncIo::new(io, self.chain.deref()));
}
}
}