Updated program to record query durations

src/main.rs

@@ -1,8 +1,8 @@
-use core::panic;
 use mongodb::{Client, options::{ClientOptions, Credential}};
+use std::time::{self, SystemTime};
+
 mod packet;
 use packet::Packet;
-use std::time;
 
 #[tokio::main]
 async fn main() {
@@ -22,16 +22,29 @@ async fn main() {
     let client = Client::with_options(client_options).unwrap();
     let db = client.database("test");
     match db.create_collection("test", None).await {
-        Err(_) => panic!("ERROR: incorrect usage"),
+        Err(_) => {
+            db.collection::<Packet>("test").drop(None).await.unwrap();
+        },
         _ => {}
     }
     
+    const num_queries: u32 = 5_000;
     let collection = db.collection::<Packet>("test");
+    let mut queries: Vec<std::time::Duration> = vec![];
+
+    for _ in 0..num_queries {
+        let start_time = SystemTime::now();
         
-    loop {
         collection.insert_one(Packet{ 
             time: time::SystemTime::now(), 
             text: format!("Current Unix time: {:?}", time::SystemTime::now().duration_since(time::UNIX_EPOCH).unwrap())
         }, None).await.unwrap();
+
+        let duration = time::SystemTime::now().duration_since(start_time).unwrap();
+        queries.push(duration);
+    }
+    
+    for (i, duration) in queries.iter().enumerate() {
+        println!("{}: {}.{} milliseconds", i, duration.as_millis(), duration.as_micros());
     }
 }