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// Copyright 2017-2019 int08h LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
use hashbrown::HashMap;
use hashbrown::hash_map::Iter;
use std::net::IpAddr;
use crate::stats::ClientStatEntry;
use crate::stats::ServerStats;
///
/// Implementation of `ServerStats` that provides high-level aggregated client statistics. No
/// per-client statistic are maintained and runtime memory use is constant.
///
#[allow(dead_code)]
pub struct AggregatedStats {
valid_requests: u64,
invalid_requests: u64,
health_checks: u64,
responses_sent: u64,
bytes_sent: usize,
empty_map: HashMap<IpAddr, ClientStatEntry>,
}
impl AggregatedStats {
#[allow(dead_code)]
pub fn new() -> Self {
AggregatedStats {
valid_requests: 0,
invalid_requests: 0,
health_checks: 0,
responses_sent: 0,
bytes_sent: 0,
empty_map: HashMap::new()
}
}
}
impl ServerStats for AggregatedStats {
fn add_valid_request(&mut self, _: &IpAddr) {
self.valid_requests += 1
}
fn add_invalid_request(&mut self, _: &IpAddr) {
self.invalid_requests += 1
}
fn add_health_check(&mut self, _: &IpAddr) {
self.health_checks += 1
}
fn add_response(&mut self, _: &IpAddr, bytes_sent: usize) {
self.bytes_sent += bytes_sent;
self.responses_sent += 1;
}
fn total_valid_requests(&self) -> u64 {
self.valid_requests
}
fn total_invalid_requests(&self) -> u64 {
self.invalid_requests
}
fn total_health_checks(&self) -> u64 {
self.health_checks
}
fn total_responses_sent(&self) -> u64 {
self.responses_sent
}
fn total_bytes_sent(&self) -> usize {
self.bytes_sent
}
fn total_unique_clients(&self) -> u64 {
0
}
fn stats_for_client(&self, _addr: &IpAddr) -> Option<&ClientStatEntry> {
None
}
fn iter(&self) -> Iter<IpAddr, ClientStatEntry> {
self.empty_map.iter()
}
fn clear(&mut self) {}
}
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