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Imported Upstream version 5.18.0.142

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Former-commit-id: 7467d4b717762eeaf652d77f1486dd11ffb1ff1f
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Xamarin Public Jenkins (auto-signing)
2018-10-09 08:20:59 +00:00
parent e52655b4dc
commit 0abdbe5a7d
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mcs/class/System/System.Net.NetworkInformation/MacOsNetworkInterface.cs Normal file
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//
// System.Net.NetworkInformation.NetworkInterface
//
// Authors:
// Gonzalo Paniagua Javier (gonzalo@novell.com)
// Atsushi Enomoto (atsushi@ximian.com)
// Miguel de Icaza (miguel@novell.com)
// Eric Butler (eric@extremeboredom.net)
// Marek Habersack (mhabersack@novell.com)
// Marek Safar (marek.safar@gmail.com)
//
// Copyright (c) 2006-2008 Novell, Inc. (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System.Collections.Generic;
using System.Runtime.InteropServices;
namespace System.Net.NetworkInformation {
internal class MacOsNetworkInterfaceAPI : UnixNetworkInterfaceAPI
{
const int AF_INET = 2;
const int AF_INET6 = 30;
const int AF_LINK = 18;
public override NetworkInterface [] GetAllNetworkInterfaces ()
{
var interfaces = new Dictionary <string, MacOsNetworkInterface> ();
IntPtr ifap;
if (getifaddrs (out ifap) != 0)
throw new SystemException ("getifaddrs() failed");
try {
IntPtr next = ifap;
while (next != IntPtr.Zero) {
MacOsStructs.ifaddrs addr = (MacOsStructs.ifaddrs) Marshal.PtrToStructure (next, typeof (MacOsStructs.ifaddrs));
IPAddress address = IPAddress.None;
string name = addr.ifa_name;
int index = -1;
byte[] macAddress = null;
NetworkInterfaceType type = NetworkInterfaceType.Unknown;
if (addr.ifa_addr != IntPtr.Zero) {
// optain IPAddress
MacOsStructs.sockaddr sockaddr = (MacOsStructs.sockaddr) Marshal.PtrToStructure (addr.ifa_addr, typeof (MacOsStructs.sockaddr));
if (sockaddr.sa_family == AF_INET6) {
MacOsStructs.sockaddr_in6 sockaddr6 = (MacOsStructs.sockaddr_in6) Marshal.PtrToStructure (addr.ifa_addr, typeof (MacOsStructs.sockaddr_in6));
address = new IPAddress (sockaddr6.sin6_addr.u6_addr8, sockaddr6.sin6_scope_id);
} else if (sockaddr.sa_family == AF_INET) {
MacOsStructs.sockaddr_in sockaddrin = (MacOsStructs.sockaddr_in) Marshal.PtrToStructure (addr.ifa_addr, typeof (MacOsStructs.sockaddr_in));
address = new IPAddress (sockaddrin.sin_addr);
} else if (sockaddr.sa_family == AF_LINK) {
MacOsStructs.sockaddr_dl sockaddrdl = new MacOsStructs.sockaddr_dl ();
sockaddrdl.Read (addr.ifa_addr);
macAddress = new byte [(int) sockaddrdl.sdl_alen];
// copy mac address from sdl_data field starting at last index pos of interface name into array macaddress, starting
// at index 0
Array.Copy (sockaddrdl.sdl_data, sockaddrdl.sdl_nlen, macAddress, 0, Math.Min (macAddress.Length, sockaddrdl.sdl_data.Length - sockaddrdl.sdl_nlen));
index = sockaddrdl.sdl_index;
int hwtype = (int) sockaddrdl.sdl_type;
if (Enum.IsDefined (typeof (MacOsArpHardware), hwtype)) {
switch ((MacOsArpHardware) hwtype) {
case MacOsArpHardware.ETHER:
type = NetworkInterfaceType.Ethernet;
break;
case MacOsArpHardware.ATM:
type = NetworkInterfaceType.Atm;
break;
case MacOsArpHardware.SLIP:
type = NetworkInterfaceType.Slip;
break;
case MacOsArpHardware.PPP:
type = NetworkInterfaceType.Ppp;
break;
case MacOsArpHardware.LOOPBACK:
type = NetworkInterfaceType.Loopback;
macAddress = null;
break;
case MacOsArpHardware.FDDI:
type = NetworkInterfaceType.Fddi;
break;
}
}
}
}
MacOsNetworkInterface iface = null;
// create interface if not already present
if (!interfaces.TryGetValue (name, out iface)) {
iface = new MacOsNetworkInterface (name, addr.ifa_flags);
interfaces.Add (name, iface);
}
// if a new address has been found, add it
if (!address.Equals (IPAddress.None))
iface.AddAddress (address);
// set link layer info, if iface has macaddress or is loopback device
if (macAddress != null || type == NetworkInterfaceType.Loopback)
iface.SetLinkLayerInfo (index, macAddress, type);
next = addr.ifa_next;
}
} finally {
freeifaddrs (ifap);
}
NetworkInterface [] result = new NetworkInterface [interfaces.Count];
int x = 0;
foreach (NetworkInterface thisInterface in interfaces.Values) {
result [x] = thisInterface;
x++;
}
return result;
}
public override int GetLoopbackInterfaceIndex ()
{
return if_nametoindex ("lo0");
}
public override IPAddress GetNetMask (IPAddress address)
{
IntPtr ifap;
if (getifaddrs (out ifap) != 0)
throw new SystemException ("getifaddrs() failed");
try {
IntPtr next = ifap;
while (next != IntPtr.Zero) {
MacOsStructs.ifaddrs addr = (MacOsStructs.ifaddrs) Marshal.PtrToStructure (next, typeof (MacOsStructs.ifaddrs));
if (addr.ifa_addr != IntPtr.Zero) {
// optain IPAddress
MacOsStructs.sockaddr sockaddr = (MacOsStructs.sockaddr) Marshal.PtrToStructure (addr.ifa_addr, typeof (MacOsStructs.sockaddr));
if (sockaddr.sa_family == AF_INET) {
MacOsStructs.sockaddr_in sockaddrin = (MacOsStructs.sockaddr_in) Marshal.PtrToStructure (addr.ifa_addr, typeof (MacOsStructs.sockaddr_in));
var saddress = new IPAddress (sockaddrin.sin_addr);
if (address.Equals (saddress))
return new IPAddress(((sockaddr_in)Marshal.PtrToStructure(addr.ifa_netmask, typeof(sockaddr_in))).sin_addr);
}
}
next = addr.ifa_next;
}
} finally {
freeifaddrs (ifap);
}
return null;
}
}
sealed class MacOsNetworkInterface : UnixNetworkInterface
{
private uint _ifa_flags;
internal MacOsNetworkInterface (string name, uint ifa_flags)
: base (name)
{
_ifa_flags = ifa_flags;
}
public override IPInterfaceProperties GetIPProperties ()
{
if (ipproperties == null)
ipproperties = new MacOsIPInterfaceProperties (this, addresses);
return ipproperties;
}
public override IPv4InterfaceStatistics GetIPv4Statistics ()
{
if (ipv4stats == null)
ipv4stats = new MacOsIPv4InterfaceStatistics (this);
return ipv4stats;
}
public override OperationalStatus OperationalStatus {
get {
if(((MacOsInterfaceFlags)_ifa_flags & MacOsInterfaceFlags.IFF_UP) == MacOsInterfaceFlags.IFF_UP){
return OperationalStatus.Up;
}
return OperationalStatus.Unknown;
}
}
public override bool SupportsMulticast {
get {
return ((MacOsInterfaceFlags)_ifa_flags & MacOsInterfaceFlags.IFF_MULTICAST) == MacOsInterfaceFlags.IFF_MULTICAST;
}
}
}
}