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aquatic: create function in tasks.rs for statistics printing

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This commit is contained in:
Joakim Frostegård 2020-04-08 21:55:16 +02:00
parent 58fbf8b7fe
commit 5d2e4412b3
2 changed files with 77 additions and 68 deletions
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72
aquatic/src/lib/lib.rs
View file

@ -1,8 +1,5 @@
use std::sync::atomic::Ordering;
use std::time::Duration;
use histogram::Histogram;
pub mod common;
pub mod config;
pub mod handlers;
@ -31,73 +28,12 @@ pub fn run(){
let config = config.clone();
::std::thread::spawn(move || {
let interval = config.statistics.interval;
loop {
::std::thread::sleep(Duration::from_secs(interval));
::std::thread::sleep(Duration::from_secs(
config.statistics.interval
));
let requests_received: f64 = state.statistics.requests_received
.fetch_and(0, Ordering::SeqCst) as f64;
let responses_sent: f64 = state.statistics.responses_sent
.fetch_and(0, Ordering::SeqCst) as f64;
let bytes_received: f64 = state.statistics.bytes_received
.fetch_and(0, Ordering::SeqCst) as f64;
let bytes_sent: f64 = state.statistics.bytes_sent
.fetch_and(0, Ordering::SeqCst) as f64;
let requests_per_second = requests_received / interval as f64;
let responses_per_second: f64 = responses_sent / interval as f64;
let bytes_received_per_second: f64 = bytes_received / interval as f64;
let bytes_sent_per_second: f64 = bytes_sent / interval as f64;
let readable_events: f64 = state.statistics.readable_events
.fetch_and(0, Ordering::SeqCst) as f64;
let requests_per_readable_event = if readable_events == 0.0 {
0.0
} else {
requests_received / readable_events
};
println!(
"stats: {:.2} requests/second, {:.2} responses/second, {:.2} requests/readable event",
requests_per_second,
responses_per_second,
requests_per_readable_event
);
println!(
"bandwidth: {:7.2} Mbit/s in, {:7.2} Mbit/s out",
bytes_received_per_second * 8.0 / 1_000_000.0,
bytes_sent_per_second * 8.0 / 1_000_000.0,
);
let mut peers_per_torrent = Histogram::new();
for torrent in state.torrents.iter(){
let num_seeders = torrent.num_seeders.load(Ordering::SeqCst);
let num_leechers = torrent.num_leechers.load(Ordering::SeqCst);
let num_peers = (num_seeders + num_leechers) as u64;
if let Err(err) = peers_per_torrent.increment(num_peers){
eprintln!("error incrementing peers_per_torrent histogram: {}", err)
}
}
if peers_per_torrent.entries() != 0 {
println!(
"peers per torrent: min: {}, p50: {}, p75: {}, p90: {}, p99: {}, p999: {}, max: {}",
peers_per_torrent.minimum().unwrap(),
peers_per_torrent.percentile(50.0).unwrap(),
peers_per_torrent.percentile(75.0).unwrap(),
peers_per_torrent.percentile(90.0).unwrap(),
peers_per_torrent.percentile(99.0).unwrap(),
peers_per_torrent.percentile(99.9).unwrap(),
peers_per_torrent.maximum().unwrap(),
);
}
println!();
tasks::gather_and_print_statistics(&state, &config);
}
});
}

73
aquatic/src/lib/tasks.rs
View file

@ -1,6 +1,8 @@
use std::sync::atomic::Ordering;
use std::time::{Duration, Instant};
use histogram::Histogram;
use crate::common::*;
use crate::config::Config;
@ -46,4 +48,75 @@ pub fn clean_torrents(state: &State, config: &Config){
});
state.torrents.shrink_to_fit();
}
pub fn gather_and_print_statistics(
state: &State,
config: &Config,
){
let interval = config.statistics.interval;
let requests_received: f64 = state.statistics.requests_received
.fetch_and(0, Ordering::SeqCst) as f64;
let responses_sent: f64 = state.statistics.responses_sent
.fetch_and(0, Ordering::SeqCst) as f64;
let bytes_received: f64 = state.statistics.bytes_received
.fetch_and(0, Ordering::SeqCst) as f64;
let bytes_sent: f64 = state.statistics.bytes_sent
.fetch_and(0, Ordering::SeqCst) as f64;
let requests_per_second = requests_received / interval as f64;
let responses_per_second: f64 = responses_sent / interval as f64;
let bytes_received_per_second: f64 = bytes_received / interval as f64;
let bytes_sent_per_second: f64 = bytes_sent / interval as f64;
let readable_events: f64 = state.statistics.readable_events
.fetch_and(0, Ordering::SeqCst) as f64;
let requests_per_readable_event = if readable_events == 0.0 {
0.0
} else {
requests_received / readable_events
};
println!(
"stats: {:.2} requests/second, {:.2} responses/second, {:.2} requests/readable event",
requests_per_second,
responses_per_second,
requests_per_readable_event
);
println!(
"bandwidth: {:7.2} Mbit/s in, {:7.2} Mbit/s out",
bytes_received_per_second * 8.0 / 1_000_000.0,
bytes_sent_per_second * 8.0 / 1_000_000.0,
);
let mut peers_per_torrent = Histogram::new();
for torrent in state.torrents.iter(){
let num_seeders = torrent.num_seeders.load(Ordering::SeqCst);
let num_leechers = torrent.num_leechers.load(Ordering::SeqCst);
let num_peers = (num_seeders + num_leechers) as u64;
if let Err(err) = peers_per_torrent.increment(num_peers){
eprintln!("error incrementing peers_per_torrent histogram: {}", err)
}
}
if peers_per_torrent.entries() != 0 {
println!(
"peers per torrent: min: {}, p50: {}, p75: {}, p90: {}, p99: {}, p999: {}, max: {}",
peers_per_torrent.minimum().unwrap(),
peers_per_torrent.percentile(50.0).unwrap(),
peers_per_torrent.percentile(75.0).unwrap(),
peers_per_torrent.percentile(90.0).unwrap(),
peers_per_torrent.percentile(99.0).unwrap(),
peers_per_torrent.percentile(99.9).unwrap(),
peers_per_torrent.maximum().unwrap(),
);
}
println!();
}