61 lines
1.6 KiB
Rust
61 lines
1.6 KiB
Rust
//! The `fetch_stage` batches input from a UDP socket and sends it to a channel.
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use crate::service::Service;
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use crate::streamer::{self, PacketReceiver, PacketSender};
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use std::net::UdpSocket;
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use std::sync::atomic::AtomicBool;
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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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pub struct FetchStage {
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thread_hdls: Vec<JoinHandle<()>>,
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}
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impl FetchStage {
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#[allow(clippy::new_ret_no_self)]
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pub fn new(
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sockets: Vec<UdpSocket>,
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forwarder_sockets: Vec<UdpSocket>,
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exit: &Arc<AtomicBool>,
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) -> (Self, PacketReceiver) {
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let (sender, receiver) = channel();
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(
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Self::new_with_sender(sockets, forwarder_sockets, exit, &sender),
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receiver,
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)
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}
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pub fn new_with_sender(
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sockets: Vec<UdpSocket>,
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forwarder_sockets: Vec<UdpSocket>,
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exit: &Arc<AtomicBool>,
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sender: &PacketSender,
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) -> Self {
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let tx_sockets = sockets.into_iter().map(Arc::new).collect();
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Self::new_multi_socket(tx_sockets, exit, &sender)
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}
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fn new_multi_socket(
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sockets: Vec<Arc<UdpSocket>>,
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exit: &Arc<AtomicBool>,
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sender: &PacketSender,
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) -> Self {
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let thread_hdls: Vec<_> = sockets
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.into_iter()
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.map(|socket| streamer::receiver(socket, &exit, sender.clone(), "fetch-stage"))
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.collect();
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Self { thread_hdls }
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}
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}
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impl Service for FetchStage {
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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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