aquatic_bench: start work on fixing it: create new connect bencher

aquatic_bench/src/bin/bench_handlers/common.rs

@@ -1,5 +1,36 @@
+use std::time::Duration;
+
+use indicatif::{ProgressBar, ProgressStyle};
+use num_format::{Locale, ToFormattedString};
+
+
 pub const PARETO_SHAPE: f64 = 0.1;
 pub const NUM_INFO_HASHES: usize = 10_000;
 
-/// Save memory by not allocating more per request
-pub const MAX_REQUEST_BYTES: usize = 256;
+
+pub fn create_progress_bar(name: &str, iterations: u64) -> ProgressBar {
+    let t = format!("{:<16} {}", name, "{wide_bar} {pos:>2}/{len:>2}");
+    let style = ProgressStyle::default_bar().template(&t);
+
+    ProgressBar::new(iterations).with_style(style)
+}
+
+
+pub fn print_results(
+    request_type: &str,
+    num_responses: usize,
+    duration: Duration,
+) {
+    let per_second = (
+        (num_responses as f64 / (duration.as_micros() as f64 / 1000000.0)
+    ) as usize).to_formatted_string(&Locale::se);
+
+    let time_per_request = duration.as_nanos() as f64 / (num_responses as f64);
+
+    println!(
+        "{} {:>10} requests/second, {:>8.2} ns/request",
+        request_type,
+        per_second,
+        time_per_request,
+    );
+}