Changed the code to run arynchronously

Cargo.toml

@@ -6,6 +6,7 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+futures = "0.3.28"
 mongodb = "2.5.0"
 serde = "1.0.163"
 tokio = "1.28.1"

src/main.rs

@@ -1,5 +1,8 @@
-use mongodb::{Client, options::{ClientOptions, Credential}};
-use std::time::{self, SystemTime};
+use mongodb::{Client, options::{ClientOptions, Credential}, Collection};
+use std::time::{self, SystemTime, Duration};
+use tokio::task;
+use std::sync::Mutex;
+use std::sync::Arc;
 
 mod packet;
 use packet::Packet;
@@ -28,23 +31,40 @@ async fn main() {
         _ => {}
     }
     
-    const num_queries: u32 = 5_000;
-    let collection = db.collection::<Packet>("test");
-    let mut queries: Vec<std::time::Duration> = vec![];
+    //Setup the number of queries that we want to run as well as Arcs and Mutexes to pass to threads
+    const NUM_QUERIES: u32 = 5_000;
+    let collection: Arc<Collection<Packet>> = Arc::new(db.collection::<Packet>("test"));
+    let mut tasks = vec![];
+    let queries: Arc<Mutex<Vec<Duration>>> = Arc::new(Mutex::new(vec![]));
+    let start_time = SystemTime::now();
 
-    for _ in 0..num_queries {
-        let start_time = SystemTime::now();
-        
-        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);
+    //Start spawning threads to run the requests
+    for _ in 0..NUM_QUERIES {
+        tasks.push(task::spawn(run_query(collection.clone(), queries.clone())))
     }
+    futures::future::join_all(tasks).await;
     
-    for (i, duration) in queries.iter().enumerate() {
+    //Print out the results
+    for (i, duration) in queries.lock().unwrap().iter().enumerate() {
         println!("{}: {}.{} milliseconds", i, duration.as_millis(), duration.as_micros());
     }
+
+    println!("Ran {} queries in {}s", NUM_QUERIES, time::SystemTime::now().duration_since(start_time).unwrap().as_secs_f32());
+}
+
+/// Function that runs an upload to a a MongoDB collection with a recorded timestamp
+/// asynchronously
+async fn run_query(collection: Arc<Collection::<Packet>>, query_records: Arc<Mutex<Vec<Duration>>>) {
+    //Record the start time for a query
+    let query_time = SystemTime::now();
+    
+    //Perform the insert
+    collection.insert_one(Packet{ 
+        time: SystemTime::now(), 
+        text: format!("Current Unix time: {:?}", SystemTime::now().duration_since(time::UNIX_EPOCH).unwrap())
+    }, None).await.unwrap();
+
+    //Record the duration and add it to the list
+    let duration = SystemTime::now().duration_since(query_time).unwrap();
+    query_records.lock().unwrap().push(duration);
 }