geph4-client 4.4.16

Geph client
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use std::time::{Duration, SystemTime};

use serde::Serialize;

use crate::stats::global_sosistab_stats;

/// Derive delta-stats from the original stats.
pub fn stat_derive() -> Vec<DeltaStat> {
    let stats = global_sosistab_stats();
    let sent_series = stats.get_timeseries("total_sent_bytes").unwrap_or_default();
    let recv_series = stats.get_timeseries("total_recv_bytes").unwrap_or_default();
    let loss_series = stats.get_timeseries("recv_loss").unwrap_or_default();
    let ping_series = stats.get_timeseries("smooth_ping").unwrap_or_default();
    let mut toret = vec![];
    let now = SystemTime::now();
    let first_time = ping_series
        .earliest()
        .map(|v| v.0)
        .unwrap_or_else(|| now - Duration::from_secs(600))
        + Duration::from_secs(3);
    for seconds_before_now in 0..600 {
        let end_time = now - Duration::from_secs(seconds_before_now);
        let start_time = end_time - Duration::from_secs(5);
        if start_time < first_time {
            break;
        }
        let send_speed = (sent_series.get(end_time) - sent_series.get(start_time)) as f64 / 5.0;
        let recv_speed = (recv_series.get(end_time) - recv_series.get(start_time)) as f64 / 5.0;
        let loss = loss_series.get(end_time);
        let ping = ping_series.get(end_time);
        toret.push(DeltaStat {
            time: end_time,
            send_speed,
            recv_speed,
            loss: Some(loss as f64 * 100.0),
            ping: ping as f64 * 1000.0,
        })
    }
    toret.reverse();
    toret
}

/// Delta statistics
#[derive(Serialize, Clone, Debug, Copy)]
pub struct DeltaStat {
    time: SystemTime,
    send_speed: f64,
    recv_speed: f64,
    ping: f64,
    loss: Option<f64>,
}