openethereum/util/network-devp2p/src/stats.rs

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// Copyright 2015-2017 Parity Technologies (UK) Ltd.
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// This file is part of Parity.
// Parity is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// Parity is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with Parity. If not, see <http://www.gnu.org/licenses/>.
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//! Network Statistics
use std::sync::atomic::*;
/// Network statistics structure
#[derive(Default, Debug)]
pub struct NetworkStats {
/// Bytes received
recv: AtomicUsize,
/// Bytes sent
send: AtomicUsize,
/// Total number of sessions created
sessions: AtomicUsize,
}
impl NetworkStats {
/// Increase bytes received.
#[inline]
pub fn inc_recv(&self, size: usize) {
self.recv.fetch_add(size, Ordering::Relaxed);
}
/// Increase bytes sent.
#[inline]
pub fn inc_send(&self, size: usize) {
self.send.fetch_add(size, Ordering::Relaxed);
}
/// Increase number of sessions.
#[inline]
pub fn inc_sessions(&self) {
self.sessions.fetch_add(1, Ordering::Relaxed);
}
/// Get bytes sent.
#[inline]
pub fn send(&self) -> usize {
self.send.load(Ordering::Relaxed)
}
/// Get bytes received.
#[inline]
pub fn recv(&self) -> usize {
self.recv.load(Ordering::Relaxed)
}
/// Get total number of sessions created.
#[inline]
pub fn sessions(&self) -> usize {
self.sessions.load(Ordering::Relaxed)
}
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/// Create a new empty instance.
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pub fn new() -> NetworkStats {
NetworkStats {
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recv: AtomicUsize::new(0),
send: AtomicUsize::new(0),
sessions: AtomicUsize::new(0),
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}
}
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}