(Swift 3,4,5...) FTP Bandwidth Throttle for Downloads

Demonstrates the Chilkat FTP2 download bandwidth throttling property : BandwidthThrottleDown.

Chilkat Downloads for the Swift Programming Language MAC OS X (Cocoa) Objective-C/Swift Libs iOS Objective-C/Swift Libs

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

    let ftp = CkoFtp2()!

    ftp.hostname = "ftp.example.com"
    ftp.username = "login"
    ftp.password = "password"

    // To use FTP bandwidth throttling, set the BandwidthThrottleDown
    // property to a maximum desired bytes/second:
    // This example limits the download to 50K per second.
    ftp.bandwidthThrottleDown = 50000

    // The default data transfer mode is "Active" as opposed to "Passive".

    // Connect and login to the FTP server.
    var success: Bool = ftp.connect()
    if success != true {
        print("\(ftp.lastErrorText!)")
        return
    }

    // Change to the remote directory where the file is located.
    // This step is only necessary if the file is not in the root directory
    // for the FTP account.
    success = ftp.changeRemoteDir("junk")
    if success != true {
        print("\(ftp.lastErrorText!)")
        return
    }

    // Download a file.
    var localFilename: String? = "hamlet.xml"
    var remoteFilename: String? = "hamlet.xml"

    success = ftp.getFile(remoteFilename, localPath: localFilename)
    if success != true {
        print("\(ftp.lastErrorText!)")
        return
    }

    success = ftp.disconnect()

    print("File Downloaded!")

}