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proxmox-backup
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cleanup: use Arc to count open connections

This commit is contained in:
Dietmar Maurer 2020-11-04 06:35:44 +01:00
parent 48aa2b93b7
commit 71f413cd27
1 changed files with 4 additions and 5 deletions
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9
src/bin/proxmox-backup-proxy.rs
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@ -1,4 +1,4 @@
use std::sync::{Arc, atomic::{AtomicUsize, Ordering}};
use std::sync::Arc;
use std::path::{Path, PathBuf};
use std::os::unix::io::AsRawFd;
@ -164,7 +164,7 @@ fn accept_connections(
let (sender, receiver) = tokio::sync::mpsc::channel(1024);
let accept_counter = Arc::new(AtomicUsize::new(0));
let accept_counter = Arc::new(());
const MAX_PENDING_ACCEPTS: usize = 1024;
@ -180,11 +180,10 @@ fn accept_connections(
let acceptor = Arc::clone(&acceptor);
let mut sender = sender.clone();
if accept_counter.load(Ordering::SeqCst) > MAX_PENDING_ACCEPTS {
if Arc::strong_count(&accept_counter) > MAX_PENDING_ACCEPTS {
eprintln!("connection rejected - to many open connections");
continue;
}
accept_counter.fetch_add(1, Ordering::SeqCst);
let accept_counter = accept_counter.clone();
tokio::spawn(async move {
@ -207,7 +206,7 @@ fn accept_connections(
}
}
accept_counter.fetch_sub(1, Ordering::SeqCst);
drop(accept_counter); // decrease reference count
});
}
}