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//
// Copyright (c) ZeroC, Inc. All rights reserved.
//
import Darwin
import UIKit
class ViewController: UIViewController, UIPickerViewDataSource, UIPickerViewDelegate {
@IBOutlet var interfaceIPv4: UIPickerView!
@IBOutlet var interfaceIPv6: UIPickerView!
@IBOutlet var output: UITextView!
var interfacesIPv4: [String]!
var interfacesIPv6: [String]!
override func viewDidLoad() {
super.viewDidLoad()
interfacesIPv4 = [String]()
interfacesIPv4.append("127.0.0.1")
interfacesIPv6 = [String]()
interfacesIPv6.append("::1")
var ifap: UnsafeMutablePointer<ifaddrs>?
if getifaddrs(&ifap) == 0 {
for curr in sequence(first: ifap!, next: { $0.pointee.ifa_next }) {
if (curr.pointee.ifa_flags & UInt32(IFF_UP)) != 0,
(curr.pointee.ifa_flags & UInt32(IFF_LOOPBACK)) == 0 {
if curr.pointee.ifa_addr!.pointee.sa_family == UInt32(AF_INET) {
var buf = [Int8](repeating: 0, count: Int(INET_ADDRSTRLEN))
curr.pointee.ifa_addr!.withMemoryRebound(to: sockaddr_in.self, capacity: 1) { addr in
let s = inet_ntop(AF_INET, &addr.pointee.sin_addr, &buf, socklen_t(INET_ADDRSTRLEN))
interfacesIPv4.append("\(String(cString: s!))")
}
} else if curr.pointee.ifa_addr!.pointee.sa_family == UInt32(AF_INET6) {
var buf = [Int8](repeating: 0, count: Int(INET6_ADDRSTRLEN))
curr.pointee.ifa_addr!.withMemoryRebound(to: sockaddr_in6.self, capacity: 1) { addr6 in
let s = inet_ntop(AF_INET6, &addr6.pointee.sin6_addr, &buf, socklen_t(INET6_ADDRSTRLEN))
interfacesIPv6.append("\(String(cString: s!))")
}
}
}
}
freeifaddrs(ifap)
}
// By default, use the loopback
interfaceIPv4.selectedRow(inComponent: 0)
interfaceIPv6.selectedRow(inComponent: 0)
do {
try ControllerI.startController(view: self, ipv4: interfacesIPv4[0], ipv6: interfacesIPv6[0])
} catch {
println("Error: \(error)")
}
}
public func write(_ msg: String) {
output.insertText(msg)
output.layoutIfNeeded()
output.scrollRangeToVisible(NSRange(location: output.text.count - 1, length: 1))
}
public func print(_ msg: String) {
DispatchQueue.main.async {
self.write(msg)
}
}
public func println(_ msg: String) {
print("\(msg)\n")
}
func numberOfComponents(in _: UIPickerView) -> Int {
return 1
}
func pickerView(_ view: UIPickerView, numberOfRowsInComponent _: Int) -> Int {
if view === interfaceIPv4 {
return interfacesIPv4.count
} else {
return interfacesIPv6.count
}
}
func pickerView(_ view: UIPickerView, titleForRow row: Int, forComponent _: Int) -> String? {
if view === interfaceIPv4 {
return interfacesIPv4[row]
} else {
return interfacesIPv6[row]
}
}
func pickerView(_: UIPickerView, didSelectRow _: Int, inComponent _: Int) {
do {
ControllerI.stopController()
try ControllerI.startController(view: self,
ipv4: interfacesIPv4[interfaceIPv4.selectedRow(inComponent: 0)],
ipv6: interfacesIPv6[interfaceIPv6.selectedRow(inComponent: 0)])
} catch {
print("Error: \(error)")
}
}
}
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