Created a nettest app with a ping test

Cargo.toml

@@ -7,6 +7,11 @@ edition = "2021"
 name = "hdtest"
 path = "src/hdtest.rs"
 
+[[bin]]
+name = "nettest"
+path = "src/nettest.rs"
+
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+clap = { version = "3.1.2", features = ["derive"] }

src/nettest.rs

@@ -0,0 +1,46 @@
+use clap::{Parser, Subcommand};
+use std::process;
+
+#[derive(Parser)]
+#[clap(name = "Bit Goblin Network Tester", author, version, about = "Network testing app.", long_about = None)]
+#[clap(propagate_version = true)]
+struct Cli {
+    #[clap(subcommand)]
+    command: Commands,
+}
+
+#[derive(Subcommand)]
+enum Commands {
+    // ping subcommand
+    Ping {
+        #[clap(default_value_t = String::from("8.8.8.8"))]
+        host: String
+    },
+}
+
+fn main() {
+    let cli = Cli::parse();
+
+    // map subcommands back to the main command
+    match &cli.command {
+        Commands::Ping { host } => ping_host(host)
+    }
+}
+
+// ping a host
+fn ping_host(host: &str) {
+    println!("Pinging host {}", host);
+
+    // run the ping command with 100 pings
+    let output = process::Command::new("ping")
+        .arg(host)
+        .arg("-c 100")
+        .output()
+        .expect("Failed to execute command");
+
+    // check that the command succeeded
+    assert!(output.status.success());
+
+    // print out the ping results from stdout
+    println!("{}", String::from_utf8_lossy(&output.stdout));
+}