74 lines
2.1 KiB
Rust
74 lines
2.1 KiB
Rust
//! The `store_ledger` stores the ledger from received entries for storage nodes
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use counter::Counter;
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use entry::EntryReceiver;
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use ledger::LedgerWriter;
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use log::Level;
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use result::{Error, Result};
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use service::Service;
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use std::sync::atomic::AtomicUsize;
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use std::sync::mpsc::RecvTimeoutError;
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use std::thread::{self, Builder, JoinHandle};
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use std::time::Duration;
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pub struct StoreLedgerStage {
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thread_hdls: Vec<JoinHandle<()>>,
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}
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impl StoreLedgerStage {
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/// Process entries, already in order
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fn store_requests(
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window_receiver: &EntryReceiver,
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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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let mut entries = window_receiver.recv_timeout(timer)?;
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while let Ok(mut more) = window_receiver.try_recv() {
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entries.append(&mut more);
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}
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inc_new_counter_info!(
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"store-transactions",
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entries.iter().map(|x| x.transactions.len()).sum()
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);
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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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Ok(())
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}
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pub fn new(window_receiver: EntryReceiver, ledger_path: Option<&str>) -> Self {
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let mut ledger_writer = ledger_path.map(|p| LedgerWriter::open(p, true).unwrap());
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let t_store_requests = Builder::new()
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.name("solana-store-ledger-stage".to_string())
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.spawn(move || loop {
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if let Err(e) = Self::store_requests(&window_receiver, ledger_writer.as_mut()) {
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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 thread_hdls = vec![t_store_requests];
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StoreLedgerStage { thread_hdls }
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}
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}
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impl Service for StoreLedgerStage {
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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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Ok(())
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}
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}
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