121 lines
3.6 KiB
Rust
121 lines
3.6 KiB
Rust
//! The `replicate_stage` replicates transactions broadcast by the leader.
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use bank::Bank;
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use counter::Counter;
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use crdt::Crdt;
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use ledger;
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use packet::BlobRecycler;
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use result::{Error, Result};
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use service::Service;
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use signature::KeyPair;
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use std::net::UdpSocket;
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use std::sync::atomic::AtomicBool;
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use std::sync::atomic::AtomicUsize;
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use std::sync::mpsc::channel;
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use std::sync::mpsc::RecvTimeoutError;
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use std::sync::{Arc, RwLock};
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use std::thread::{self, Builder, JoinHandle};
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use std::time::Duration;
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use streamer::{responder, BlobReceiver};
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use vote_stage::VoteStage;
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use voting::entries_to_votes;
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pub struct ReplicateStage {
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thread_hdls: Vec<JoinHandle<()>>,
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}
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impl ReplicateStage {
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/// Process entry blobs, already in order
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fn replicate_requests(
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bank: &Arc<Bank>,
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crdt: &Arc<RwLock<Crdt>>,
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blob_recycler: &BlobRecycler,
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window_receiver: &BlobReceiver,
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) -> Result<()> {
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let timer = Duration::new(1, 0);
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//coalesce all the available blobs into a single vote
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let mut blobs = window_receiver.recv_timeout(timer)?;
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while let Ok(mut more) = window_receiver.try_recv() {
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blobs.append(&mut more);
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}
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let blobs_len = blobs.len();
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let entries = ledger::reconstruct_entries_from_blobs(blobs.clone())?;
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{
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let votes = entries_to_votes(&entries);
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let mut wcrdt = crdt.write().unwrap();
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wcrdt.insert_votes(&votes);
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};
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inc_new_counter!(
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"replicate-transactions",
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entries.iter().map(|x| x.transactions.len()).sum()
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);
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let res = bank.process_entries(entries);
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if res.is_err() {
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error!("process_entries {} {:?}", blobs_len, res);
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}
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let _ = res?;
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while let Some(blob) = blobs.pop_front() {
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blob_recycler.recycle(blob);
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}
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Ok(())
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}
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pub fn new(
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keypair: KeyPair,
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bank: Arc<Bank>,
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crdt: Arc<RwLock<Crdt>>,
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blob_recycler: BlobRecycler,
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window_receiver: BlobReceiver,
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exit: Arc<AtomicBool>,
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) -> Self {
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let (vote_blob_sender, vote_blob_receiver) = channel();
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let send = UdpSocket::bind("0.0.0.0:0").expect("bind");
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let t_responder = responder(
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"replicate_stage",
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send,
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blob_recycler.clone(),
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vote_blob_receiver,
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);
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let vote_stage = VoteStage::new(
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Arc::new(keypair),
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bank.clone(),
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crdt.clone(),
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blob_recycler.clone(),
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vote_blob_sender,
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exit,
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);
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let t_replicate = Builder::new()
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.name("solana-replicate-stage".to_string())
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.spawn(move || loop {
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if let Err(e) =
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Self::replicate_requests(&bank, &crdt, &blob_recycler, &window_receiver)
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{
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match e {
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Error::RecvTimeoutError(RecvTimeoutError::Disconnected) => break,
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Error::RecvTimeoutError(RecvTimeoutError::Timeout) => (),
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_ => error!("{:?}", e),
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}
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}
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})
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.unwrap();
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let mut thread_hdls = vec![t_responder, t_replicate];
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thread_hdls.extend(vote_stage.thread_hdls());
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ReplicateStage { thread_hdls }
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}
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}
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impl Service for ReplicateStage {
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fn thread_hdls(self) -> Vec<JoinHandle<()>> {
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self.thread_hdls
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}
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fn join(self) -> thread::Result<()> {
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for thread_hdl in self.thread_hdls() {
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thread_hdl.join()?;
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}
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Ok(())
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}
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}
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