Add check command

src/main.rs

@@ -32,6 +32,7 @@ struct ConfigOpts {
 enum Command {
     Endpoints(EndpointsOpts),
     Config(ConfigOpts),
+    Check,
 }
 
 #[derive(Serialize, Deserialize, Debug)]
@@ -53,6 +54,13 @@ struct Locations {
     locations: Vec<Location>,
 }
 
+#[derive(Serialize, Deserialize, Debug)]
+struct CheckResult {
+    connected: bool,
+    ip: String,  // XXX
+    location: String,
+}
+
 #[derive(Serialize, Deserialize, Debug)]
 struct WireguardConfig {
     status: String,
@@ -79,6 +87,7 @@ fn main() -> Result<(), anyhow::Error> {
     match &opts.command {
         Command::Endpoints(list_opts) => list(&list_opts)?,
         Command::Config(get_config_opts) => get_config(&get_config_opts)?,
+        Command::Check => check()?,
     }
     Ok(())
 }
@@ -145,6 +154,15 @@ AllowedIPs = 0.0.0.0/0 #, ::/0",
     Ok(())
 }
 
+fn check() -> Result<(), anyhow::Error> {
+    let url = format!("{}/check", BASE_URL);
+    let result: CheckResult = ureq::get(&url).call()?.into_json()?;
+    println!("Connected: {:?}", result.connected);
+    println!("IP: {}", result.ip);
+    println!("Location: {}", result.location);
+    Ok(())
+}
+
 fn generage_keys() -> Result<WireguardKeyPair, anyhow::Error> {
     let privkey = process::Command::new("wg").arg("genkey").output()?.stdout;
     let mut pubkey_cmd = process::Command::new("wg")