trz-gateway-server 0.2.4

Secure Proxy / Agents implementation in Rust
Documentation 
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//! Unique identifier for a client connection.

use std::sync::atomic::AtomicUsize;
use std::sync::atomic::Ordering::SeqCst;

/// A unique identifier for a client connection.
#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
pub struct ConnectionId(usize);

static NEXT_CONNECTION_ID: AtomicUsize = AtomicUsize::new(1);

impl ConnectionId {
    pub fn next() -> Self {
        Self(NEXT_CONNECTION_ID.fetch_add(1, SeqCst))
    }
}

impl std::fmt::Display for ConnectionId {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        self.0.fmt(f)
    }
}