136 lines
3.9 KiB
Rust
136 lines
3.9 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::{reconstruct_entries_from_blobs, Block, LedgerWriter};
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use log::Level;
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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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pub struct ReplicateStage {
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thread_hdls: Vec<JoinHandle<()>>,
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vote_stage: VoteStage,
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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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ledger_writer: Option<&mut LedgerWriter>,
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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 entries = reconstruct_entries_from_blobs(blobs.clone())?;
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let res = bank.process_entries(entries.clone());
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for blob in blobs {
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blob_recycler.recycle(blob, "replicate_requests");
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}
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{
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let mut wcrdt = crdt.write().unwrap();
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wcrdt.insert_votes(&entries.votes());
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}
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inc_new_counter_info!(
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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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// TODO: move this to another stage?
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if let Some(ledger_writer) = ledger_writer {
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ledger_writer.write_entries(entries)?;
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}
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res?;
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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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ledger_path: Option<&str>,
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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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Arc::new(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 mut ledger_writer = ledger_path.map(|p| LedgerWriter::open(p, false).unwrap());
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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) = Self::replicate_requests(
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&bank,
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&crdt,
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&blob_recycler,
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&window_receiver,
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ledger_writer.as_mut(),
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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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}).unwrap();
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let thread_hdls = vec![t_responder, t_replicate];
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ReplicateStage {
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thread_hdls,
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vote_stage,
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}
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}
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}
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impl Service for ReplicateStage {
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type JoinReturnType = ();
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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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self.vote_stage.join()?;
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Ok(())
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}
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}
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