Mostly completed the bandwidth test

src/nettest.rs

@@ -1,5 +1,6 @@
+use chrono::prelude::*;
 use clap::{Parser, Subcommand};
-use std::process;
+use std::{fs,process};
 
 #[derive(Parser)]
 #[clap(name = "Bit Goblin Network Tester", author, version, about = "Network testing app.", long_about = None)]
@@ -16,6 +17,14 @@ enum Commands {
         #[clap(default_value_t = String::from("8.8.8.8"))]
         host: String
     },
+
+    // bandwidth test subcommand
+    Bandwidth {
+        #[clap(default_value_t = String::from("https://www.bitgoblin.tech/hardware-tests/export-01.mp4"))]
+        download: String,
+        #[clap(default_value_t = String::from("./tempfile"))]
+        output: String,
+    },
 }
 
 fn main() {
@@ -23,7 +32,8 @@ fn main() {
 
     // map subcommands back to the main command
     match &cli.command {
-        Commands::Ping { host } => ping_host(host)
+        Commands::Ping { host } => ping_host(host),
+        Commands::Bandwidth { download, output } => bandwidth_test(download, output)
     }
 }
 
@@ -44,3 +54,25 @@ fn ping_host(host: &str) {
     // print out the ping results from stdout
     println!("{}", String::from_utf8_lossy(&output.stdout));
 }
+
+// timed file copy test to guage bandwidth speeds
+fn bandwidth_test(download: &str, output: &str) {
+    println!("Testing network bandwidth by downloading {}", download, output);
+
+    // get start time so we can track how long it takes to complete
+    let start_time = Utc::now();
+
+    // do the download
+
+    // get finish time
+    let finish_time = Utc::now();
+    // compute time to complete
+    let comp_time = finish_time - start_time;
+    println!("{}", comp_time.num_milliseconds());
+
+    // clean up the test file
+    match fs::remove_file(output) {
+        Ok(()) => println!("Cleaning up..."),
+        Err(e) => println!("There was a problem during cleanup - {}", e),
+    }
+}