refactor(metrics): encapsulate metric dispatch with MetricsSender

src/main.rs

@@ -14,13 +14,12 @@ mod time;
 mod util;
 
 use crate::baseliner::{Baseliner, ReflectorStats};
-use crate::metrics::{Metric, Metrics};
-use crate::time::Time;
+use crate::metrics::{Metric, Metrics, MetricsSender};
 use ::log::{debug, info};
-use rustix::time::ClockId;
 use std::collections::HashMap;
 use std::net::IpAddr;
 use std::str::FromStr;
+use std::sync::atomic::AtomicU64;
 use std::sync::mpsc::{channel, sync_channel};
 use std::sync::{Arc, Mutex, RwLock};
 use std::thread::sleep;