Rust

FTP Download with Progress Event Callbacks

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FTP download with progress event callbacks. Rust

struct FtpEvents;

impl chilkat::EventHandler for FtpEvents {
    fn percent_done(&mut self, percent_done: i32) -> bool {
        println!("Percent Done: {}", percent_done);
        false   // return true to abort the method in progress
    }

    fn progress_info(&mut self, name: &str, value: &str) {
        println!("{}: {}", name, value);
    }
}

// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

let ftp = chilkat::Ftp2::new();
ftp.set_event_handler(FtpEvents);

ftp.set_hostname("ftp.someFtpServer.com");
ftp.set_username("myLogin");
ftp.set_password("myPassword");

// Connect and login to the FTP server.
if ftp.connect_only().is_err() {
    println!("{}", ftp.last_error_text());
    return;
}

if ftp.login_after_connect_only().is_err() {
    println!("{}", ftp.last_error_text());
    return;
}

// Change to the remote directory where the file is located.
// This step is only necessary if the file is not in the home directory
// of the FTP account.
if ftp.change_remote_dir("junk").is_err() {
    println!("{}", ftp.last_error_text());
    return;
}

let local_filename = "c:/temp/hamlet.xml".to_string();
let remote_filename = "hamlet.xml".to_string();

// Ensure that we get PercentDone callbacks.
ftp.set_auto_get_size_for_progress(true);

// Download the file.
if ftp.get_file(&remote_filename, &local_filename).is_err() {
    println!("{}", ftp.last_error_text());
    return;
}

let _ = ftp.disconnect().is_ok();

println!("File Downloaded!");