Check for IMAP IDLE Mailbox Updates

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Demonstrates the Chilkat Imap.IdleCheck method, which waits for mailbox updates after IdleStart has entered IDLE mode. The only argument is a timeout in milliseconds; 0 performs a non-blocking poll of notifications already received. This example waits up to 30 seconds.

func chilkatTest() {
    var success: Bool = false

    //  Demonstrates the Imap.IdleCheck method, which waits for IMAP IDLE mailbox updates and returns
    //  them.  The only argument is a timeout in milliseconds.  Use 0 for a non-blocking poll.

    let imap = CkoImap()!

    imap.ssl = true
    imap.port = 993

    success = imap.connect(hostname: "imap.example.com")
    if success == false {
        print("\(imap.lastErrorText!)")
        return
    }

    success = imap.login(login: "user@example.com", password: "myPassword")
    if success == false {
        print("\(imap.lastErrorText!)")
        return
    }

    success = imap.selectMailbox(mailbox: "Inbox")
    if success == false {
        print("\(imap.lastErrorText!)")
        return
    }

    success = imap.idleStart()
    if success == false {
        print("\(imap.lastErrorText!)")
        return
    }

    //  Wait up to 30 seconds for mailbox updates.  IdleCheck returns a string, so assign it to a
    //  string variable and check for success.
    var timeoutMs: Int = 30000
    var updates: String? = imap.idleCheck(timeoutMs: timeoutMs)
    if imap.lastMethodSuccess == false {
        print("\(imap.lastErrorText!)")
        return
    }

    print("\(updates!)")

    success = imap.idleDone()
    if success == false {
        print("\(imap.lastErrorText!)")
        return
    }

    success = imap.disconnect()
    if success == false {
        print("\(imap.lastErrorText!)")
        return
    }


}