gistfile1.swift

import Foundation


let host = CFHostCreateWithName(nil, "192.168.1.1").takeUnretainedValue()
CFHostStartInfoResolution(host, .Addresses, nil)
var resolved: Boolean = 0
let addresses = CFHostGetAddressing(host, &resolved).takeUnretainedValue() as NSArray
let addressData = addresses[0] as NSData

var addrin = UnsafePointer<sockaddr_in>(addressData.bytes).memory
addrin.sin_port = 0x5000
let addrPtr = withUnsafePointer(&addrin) { UnsafePointer<sockaddr>($0) }

let fd = socket(PF_INET, SOCK_STREAM, 0)
connect(fd, addrPtr, socklen_t(addressData.length))
String.fromCString(strerror(errno))

var outData = [UInt8](count: 999, repeatedValue: 0)
outData.withUnsafeMutableBufferPointer { (inout outDataPtr: UnsafeMutableBufferPointer<UInt8>) -> Void in
    var len = socklen_t(outData.count)
    getsockopt(fd, SOL_SOCKET, SO_PEERLABEL, UnsafeMutablePointer<Void>(outDataPtr.baseAddress), &len)
    String.fromCString(strerror(errno))
}