Created
May 26, 2016 04:38
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// | |
// FramerFinder.swift | |
// fridge | |
// | |
// Created by Jay Stakelon on 1/1/16. | |
// | |
// | |
import Foundation | |
class FramerFinder : NSObject { | |
struct NetInfo { | |
let ip: String | |
let netmask: String | |
} | |
func findFramerServer() -> String { | |
var serverPath:String? | |
serverPath = getMyIP() | |
return serverPath! | |
} | |
// Get the local ip addresses used by this node | |
func getMyIP() -> String { | |
// var addresses = [NetInfo]() | |
var ipaddress = String() | |
// Get list of all interfaces on the local machine: | |
var ifaddr : UnsafeMutablePointer<ifaddrs> = nil | |
if getifaddrs(&ifaddr) == 0 { | |
// For each interface ... | |
for (var ptr = ifaddr; ptr != nil; ptr = ptr.memory.ifa_next) { | |
let flags = Int32(ptr.memory.ifa_flags) | |
var addr = ptr.memory.ifa_addr.memory | |
// Check for running IPv4, IPv6 interfaces. Skip the loopback interface. | |
if (flags & (IFF_UP|IFF_RUNNING|IFF_LOOPBACK)) == (IFF_UP|IFF_RUNNING) { | |
if addr.sa_family == UInt8(AF_INET) || addr.sa_family == UInt8(AF_INET6) { | |
// Convert interface address to a human readable string: | |
var hostname = [CChar](count: Int(NI_MAXHOST), repeatedValue: 0) | |
if (getnameinfo(&addr, socklen_t(addr.sa_len), &hostname, socklen_t(hostname.count), | |
nil, socklen_t(0), NI_NUMERICHOST) == 0) { | |
if let address = String.fromCString(hostname) { | |
var net = ptr.memory.ifa_netmask.memory | |
var netmaskName = [CChar](count: Int(NI_MAXHOST), repeatedValue: 0) | |
getnameinfo(&net, socklen_t(net.sa_len), &netmaskName, socklen_t(netmaskName.count), | |
nil, socklen_t(0), NI_NUMERICHOST) == 0 | |
if let _ = String.fromCString(netmaskName) { | |
// addresses.append(NetInfo(ip: address, netmask: netmask)) | |
ipaddress = address | |
} | |
} | |
} | |
} | |
} | |
} | |
freeifaddrs(ifaddr) | |
} | |
return ipaddress | |
} | |
} |
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