(Swift 2) Socket/SSL/TLS through SOCKS5 / SOCKS4 Proxy

Demonstrates how to use the Chilkat Socket/SSL/TLS component/library with a SOCKS5 or SOCKS4 proxy server.

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

    let socket = CkoSocket()

    // To use a SOCKS4 or SOCKS5 proxy, simply set the following
    // properties prior to calling Connect.  The connection may be SSL/TLS or 
    // non-secure - both will work with a SOCKS proxy.
    // The SOCKS hostname may be a domain name or 
    // IP address:
    socket.SocksHostname = "www.mysocksproxyserver.com"
    socket.SocksPort = 1080
    socket.SocksUsername = "myProxyLogin"
    socket.SocksPassword = "myProxyPassword"
    // Set the SOCKS version to 4 or 5 based on the version
    // of the SOCKS proxy server:
    socket.SocksVersion = 5
    // Note: SOCKS4 servers only support usernames without passwords.
    // SOCKS5 servers support full login/password authentication.

    // Connect to port 5555 of 192.168.1.108.
    // hostname may be a domain name or IP address.
    var hostname: String? = "192.168.1.108"
    var ssl: Bool = false
    var maxWaitMillisec: Int = 20000
    var success: Bool = socket.Connect(hostname, port: 5555, ssl: ssl, maxWaitMs: maxWaitMillisec)
    if success != true {
        print("\(socket.LastErrorText)")
        return
    }

    // Set maximum timeouts for reading an writing (in millisec)
    socket.MaxReadIdleMs = 10000
    socket.MaxSendIdleMs = 10000

    // The server (in this example) is going to send a "Hello World!" 
    // message.  Read it:
    var receivedMsg: String? = socket.ReceiveString()
    if socket.LastMethodSuccess != true {
        print("\(socket.LastErrorText)")
        return
    }

    // Close the connection with the server
    // Wait a max of 20 seconds (20000 millsec)
    success = socket.Close(20000)

    print("\(receivedMsg!)")

}