temporarily print link type infos of all the adapters

src/main.rs

@@ -51,6 +51,31 @@ pub const SNIFFNET_LOWERCASE: &str = "sniffnet";
 ///
 /// It initializes shared variables and loads configuration parameters
 pub fn main() -> iced::Result {
+
+    for device in pcap::Device::list().expect("device lookup failed") {
+        println!("Found device! {:?}", device.name);
+
+        let Ok(cap) = pcap::Capture::from_device(device) else {
+            println!("    Error creating capture");
+            continue;
+        };
+        let Ok(cap) = cap.immediate_mode(true).open() else {
+            println!("    Error opening capture");
+            continue;
+        };
+
+        {
+            let l = cap.get_datalink();
+            println!("  Main data link: {:?} {:?} {:?}", l, l.get_name(), l.get_description())
+        }
+
+        if let Ok(links) = cap.list_datalinks() {
+            for l in links {
+                println!("    {:?} {:?} {:?}", l, l.get_name(), l.get_description());
+            }
+        }
+    }
+
     parse_cli_args();
 
     let configs1 = Arc::new(Mutex::new(Configs::load()));