improve wait for shell ready, restore dry run mode

brocade/examples/main.rs

@@ -1,25 +1,33 @@
 use std::net::{IpAddr, Ipv4Addr};
 
+use brocade::BrocadeOptions;
 use harmony_types::switch::PortLocation;
 
 #[tokio::main]
 async fn main() {
-    env_logger::init();
+    env_logger::Builder::from_env(env_logger::Env::default().default_filter_or("info")).init();
 
     let ip = IpAddr::V4(Ipv4Addr::new(10, 0, 0, 250)); // old brocade @ ianlet
     // let ip = IpAddr::V4(Ipv4Addr::new(192, 168, 55, 101)); // brocade @ sto1
     let switch_addresses = vec![ip];
 
-    let brocade = brocade::init(&switch_addresses, 22, "admin", "password", None)
-        .await
-        .expect("Brocade client failed to connect");
+    let brocade = brocade::init(
+        &switch_addresses,
+        22,
+        "admin",
+        "password",
+        Some(BrocadeOptions {
+            dry_run: true,
+            ..Default::default()
+        }),
+    )
+    .await
+    .expect("Brocade client failed to connect");
 
     let version = brocade.version().await.unwrap();
     println!("Version: {version:?}");
 
     println!("--------------");
-    println!("Showing MAC Address table...");
-
     let mac_adddresses = brocade.show_mac_address_table().await.unwrap();
     println!("VLAN\tMAC\t\t\tPORT");
     for mac in mac_adddresses {
@@ -28,27 +36,16 @@ async fn main() {
 
     println!("--------------");
     let channel_name = "HARMONY_LAG";
-    println!("Clearing port channel '{channel_name}'...");
-
     brocade.clear_port_channel(channel_name).await.unwrap();
 
-    println!("Cleared");
-
     println!("--------------");
-    println!("Finding next available channel...");
-
     let channel_id = brocade.find_available_channel_id().await.unwrap();
-    println!("Channel id: {channel_id}");
 
     println!("--------------");
     let channel_name = "HARMONY_LAG";
     let ports = [PortLocation(1, 1, 3), PortLocation(1, 1, 4)];
-    println!("Creating port channel '{channel_name}' with ports {ports:?}'...");
-
     brocade
         .create_port_channel(channel_id, channel_name, &ports)
         .await
         .unwrap();
-
-    println!("Created");
 }