solana/src/blob_fetch_stage.rs

49 lines
1.3 KiB
Rust

//! The `blob_fetch_stage` pulls blobs from UDP sockets and sends it to a channel.
use service::Service;
use std::net::UdpSocket;
use std::sync::atomic::{AtomicBool, Ordering};
use std::sync::mpsc::channel;
use std::sync::Arc;
use std::thread::{self, JoinHandle};
use streamer::{self, BlobReceiver};
pub struct BlobFetchStage {
exit: Arc<AtomicBool>,
thread_hdls: Vec<JoinHandle<()>>,
}
impl BlobFetchStage {
#[allow(clippy::new_ret_no_self)]
pub fn new(socket: Arc<UdpSocket>, exit: Arc<AtomicBool>) -> (Self, BlobReceiver) {
Self::new_multi_socket(vec![socket], exit)
}
pub fn new_multi_socket(
sockets: Vec<Arc<UdpSocket>>,
exit: Arc<AtomicBool>,
) -> (Self, BlobReceiver) {
let (sender, receiver) = channel();
let thread_hdls: Vec<_> = sockets
.into_iter()
.map(|socket| streamer::blob_receiver(socket, exit.clone(), sender.clone()))
.collect();
(Self { exit, thread_hdls }, receiver)
}
pub fn close(&self) {
self.exit.store(true, Ordering::Relaxed);
}
}
impl Service for BlobFetchStage {
type JoinReturnType = ();
fn join(self) -> thread::Result<()> {
for thread_hdl in self.thread_hdls {
thread_hdl.join()?;
}
Ok(())
}
}