(Swift 2) REST through SOCKS Proxy

Demonstrates how to connect through a SOCKS proxy to make REST API calls.

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

    // This example connects to a REST server through a SOCKS proxy.
    // It will connect to the Amazon AWS service for this example.
    let rest = CkoRest()
    let socket = CkoSocket()

    // Set the SOCKS proxy domain or IP address, port, and SOCKS version number (4 or 5)
    socket.SocksHostname = "192.168.1.100"
    socket.SocksPort = 1080
    socket.SocksVersion = 5
    // Other properties exist for specifying a SOCKS proxy login and password,
    // but these are not used in this example.

    // Connect through the HTTP proxy to the Amazon AWS server for the S3 service.
    var bTls: Bool = true
    var port: Int = 443
    var maxWaitMs: Int = 5000
    var success: Bool = socket.Connect("s3.amazonaws.com", port: port, ssl: bTls, maxWaitMs: maxWaitMs)
    if success != true {
        print("Connect Failure Error Code: \(socket.ConnectFailReason.intValue)")
        print("\(socket.LastErrorText)")
        return
    }

    // Use the proxied TLS connection:
    success = rest.UseConnection(socket, autoReconnect: true)
    if success != true {
        print("\(rest.LastErrorText)")
        return
    }

    // Provide AWS credentials for the REST call.
    let authAws = CkoAuthAws()
    authAws.AccessKey = "AWS_ACCESS_KEY"
    authAws.SecretKey = "AWS_SECRET_KEY"
    authAws.ServiceName = "s3"
    success = rest.SetAuthAws(authAws)

    // List all buckets for the account...
    var responseXml: String? = rest.FullRequestNoBody("GET", uriPath: "/")
    if rest.LastMethodSuccess != true {
        print("\(rest.LastErrorText)")
        return
    }

    let xml = CkoXml()
    success = xml.LoadXml(responseXml)

    // Show the full XML returned.
    print("\(xml.GetXml())")

    // Iterate over the buckets, showing each bucket name.
    success = xml.FindChild2("Buckets")
    if xml.FirstChild2() == true {
        print("\(xml.GetChildContent("Name"))")
        while (xml.NextSibling2() == true) {
            print("\(xml.GetChildContent("Name"))")
        }

    }

    // Move the internal pointer back to the root node.
    xml.GetRoot2()

}