Get all Ethernet information in Swift

获取本机所有设备的网卡信息(打开的情况下)

class GetInterfaceInformation{
    
    /**
    get ethernet information about name,address,netmask,broadcast
    
    - returns: return Dictionary contain Ethernet name,ip address,netmask,broadcast
    */
    static func getInterfaceInformation() -> [String:[String]] {
        var information = [String:[String]]()
        
        var ifaddr:UnsafeMutablePointer<ifaddrs> = nil
        //retrieve the current interface -- return 0 on success
        if getifaddrs(&ifaddr) == 0 {
            var interface = ifaddr
            //loop through linked list of interface
            while interface != nil {
                if interface.memory.ifa_addr.memory.sa_family == UInt8(AF_INET) {//ipv4
                    let interfaceName = String.fromCString(interface.memory.ifa_name)
                    let interfaceAddress = String.fromCString(inet_ntoa(UnsafeMutablePointer<sockaddr_in>(interface.memory.ifa_addr).memory.sin_addr))
                    let interfaceNetmask = String.fromCString(inet_ntoa(UnsafeMutablePointer<sockaddr_in>(interface.memory.ifa_netmask).memory.sin_addr))
                    //ifa_dstaddr /* P2P interface destination */
                    //The ifa_dstaddr field references the destination address on a P2P inter-face, interface,
                    //face, if one exists, otherwise it contains the broadcast address.
                    let interfaceBroadcast = String.fromCString(inet_ntoa(UnsafeMutablePointer<sockaddr_in>(interface.memory.ifa_dstaddr).memory.sin_addr))
                    
                    if let name = interfaceName {
                        information[name] = [interfaceAddress!,interfaceNetmask!,interfaceBroadcast!]
                    }
                }
                interface = interface.memory.ifa_next
            }
            freeifaddrs(ifaddr)
        }
        return information
    }
}

lo0         //Location
en0        //LAN
pdp_ip0  //Cellular
bridge0  //Personal Hotspot

Result:

Environment:

Xcode7.0,iPhone7.1

Result:

Environment

Xcode7.0,iPhone simulator9.0

Get Ip address in Swift