63 lines
1.6 KiB
Rust
63 lines
1.6 KiB
Rust
//! The `blob_fetch_stage` pulls blobs from UDP sockets and sends it to a channel.
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use packet::BlobRecycler;
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use service::Service;
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use std::net::UdpSocket;
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use std::sync::atomic::{AtomicBool, Ordering};
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use std::sync::mpsc::channel;
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use std::sync::Arc;
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use std::thread::{self, JoinHandle};
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use streamer::{self, BlobReceiver};
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pub struct BlobFetchStage {
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exit: Arc<AtomicBool>,
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thread_hdls: Vec<JoinHandle<()>>,
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}
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impl BlobFetchStage {
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pub fn new(
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socket: UdpSocket,
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exit: Arc<AtomicBool>,
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blob_recycler: &BlobRecycler,
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) -> (Self, BlobReceiver) {
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Self::new_multi_socket(vec![socket], exit, blob_recycler)
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}
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pub fn new_multi_socket(
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sockets: Vec<UdpSocket>,
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exit: Arc<AtomicBool>,
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blob_recycler: &BlobRecycler,
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) -> (Self, BlobReceiver) {
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let (blob_sender, blob_receiver) = channel();
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let thread_hdls: Vec<_> = sockets
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.into_iter()
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.map(|socket| {
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streamer::blob_receiver(
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exit.clone(),
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blob_recycler.clone(),
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socket,
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blob_sender.clone(),
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).expect("blob receiver init")
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})
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.collect();
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(BlobFetchStage { exit, thread_hdls }, blob_receiver)
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}
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pub fn close(&self) {
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self.exit.store(true, Ordering::Relaxed);
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}
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}
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impl Service for BlobFetchStage {
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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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