X-Git-Url: http://wien.tomnetworks.com/gitweb/?a=blobdiff_plain;f=mcs%2Fclass%2FSystem%2FSystem.Net.NetworkInformation%2FIPv4InterfaceProperties.cs;h=21356e88c3f67e0a8a8fadd3bc20dd4e37f389dc;hb=0717f141b92db56481cc09af70c026d7ffad8921;hp=b3d3817e951bc0c68f57b6e16a443545162ad9e6;hpb=1c14f1ee6d701510c15499d71fc2b324151a8629;p=mono.git

diff --git a/mcs/class/System/System.Net.NetworkInformation/IPv4InterfaceProperties.cs b/mcs/class/System/System.Net.NetworkInformation/IPv4InterfaceProperties.cs
index b3d3817e951..21356e88c3f 100644
--- a/mcs/class/System/System.Net.NetworkInformation/IPv4InterfaceProperties.cs
+++ b/mcs/class/System/System.Net.NetworkInformation/IPv4InterfaceProperties.cs
@@ -1,10 +1,12 @@
 //
 // System.Net.NetworkInformation.IPv4InterfaceProperties
 //
-// Author:
+// Authors:
 //	Gonzalo Paniagua Javier (gonzalo@novell.com)
+//	Atsushi Enomoto (atsushi@ximian.com)
+//      Marek Habersack (mhabersack@novell.com)
 //
-// Copyright (c) 2006 Novell, Inc. (http://www.novell.com)
+// Copyright (c) 2006-2007 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
@@ -26,6 +28,9 @@
 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 //
 #if NET_2_0
+using System.IO;
+using System.Runtime.InteropServices;
+
 namespace System.Net.NetworkInformation {
 	public abstract class IPv4InterfaceProperties {
 		protected IPv4InterfaceProperties ()
@@ -40,6 +45,160 @@ namespace System.Net.NetworkInformation {
 		public abstract int Mtu { get; }
 		public abstract bool UsesWins { get; }
 	}
+
+	abstract class UnixIPv4InterfaceProperties : IPv4InterfaceProperties
+	{
+		protected UnixNetworkInterface iface;
+		
+		public UnixIPv4InterfaceProperties (UnixNetworkInterface iface)
+		{
+			this.iface = iface;
+		}
+		
+		public override int Index {
+			get { return UnixNetworkInterface.IfNameToIndex (iface.Name); }
+		}
+
+		// TODO: how to discover that?
+		public override bool IsAutomaticPrivateAddressingActive {
+			get { return false; }
+		}
+
+		// TODO: how to discover that?
+		public override bool IsAutomaticPrivateAddressingEnabled {
+			get { return false; }
+		}
+
+		// TODO: how to discover that? The only way is distribution-specific...
+		public override bool IsDhcpEnabled {
+			get { return false; }
+		}
+	
+		public override bool UsesWins {
+			get { return false; }
+		}
+	}
+	
+	sealed class LinuxIPv4InterfaceProperties : UnixIPv4InterfaceProperties
+	{
+		public LinuxIPv4InterfaceProperties (LinuxNetworkInterface iface)
+			: base (iface)
+		{
+		}
+		
+		public override bool IsForwardingEnabled {
+			get {
+				string iface_path = "/proc/sys/net/ipv4/conf/" + iface.Name + "/forwarding";
+
+				if (File.Exists (iface_path)) {
+					string val = NetworkInterface.ReadLine (iface_path);
+
+					return val != "0";
+				}
+
+				return false;
+			}
+		}
+
+		public override int Mtu {
+			get {
+				string iface_path = (iface as LinuxNetworkInterface).IfacePath + "mtu";
+				int ret = 0;
+
+				if (File.Exists (iface_path)) {
+					string val = NetworkInterface.ReadLine (iface_path);
+					
+					try {
+						ret = Int32.Parse (val);
+					} catch {
+					}
+				}
+
+				return ret;
+						
+			}
+		}
+	}
+
+	sealed class MacOsIPv4InterfaceProperties : UnixIPv4InterfaceProperties
+	{
+		public MacOsIPv4InterfaceProperties (MacOsNetworkInterface iface)
+			: base (iface)
+		{
+		}
+
+		// dummy
+		public override bool IsForwardingEnabled {
+			get { return false; }
+		}
+
+		// dummy
+		public override int Mtu {
+			get { return 0; }
+		}
+	}
+	
+	sealed class Win32IPv4InterfaceProperties : IPv4InterfaceProperties
+	{
+		[DllImport ("iphlpapi.dll")]
+		static extern int GetPerAdapterInfo (int IfIndex, Win32_IP_PER_ADAPTER_INFO pPerAdapterInfo, ref int pOutBufLen);
+
+		Win32_IP_ADAPTER_INFO ainfo;
+		Win32_IP_PER_ADAPTER_INFO painfo;
+		Win32_MIB_IFROW mib;
+
+		public Win32IPv4InterfaceProperties (Win32_IP_ADAPTER_INFO ainfo, Win32_MIB_IFROW mib)
+		{
+			this.ainfo = ainfo;
+			this.mib = mib;
+
+			// get per-adapter info.
+			int size = 0;
+			GetPerAdapterInfo (mib.Index, null, ref size);
+			painfo = new Win32_IP_PER_ADAPTER_INFO ();
+			int ret = GetPerAdapterInfo (mib.Index, painfo, ref size);
+			if (ret != 0)
+				throw new NetworkInformationException (ret);
+		}
+
+		public override int Index {
+			get { return mib.Index; }
+		}
+
+		public override bool IsAutomaticPrivateAddressingActive {
+			get { return painfo.AutoconfigActive != 0; }
+		}
+
+		public override bool IsAutomaticPrivateAddressingEnabled {
+			get { return painfo.AutoconfigEnabled != 0; }
+		}
+
+		public override bool IsDhcpEnabled {
+			get { return ainfo.DhcpEnabled != 0; }
+		}
+
+		public override bool IsForwardingEnabled {
+			// Is it the right answer? In Vista there is MIB_IPINTERFACEROW.ForwardingEnabled, but not in former versions.
+			get { return Win32_FIXED_INFO.Instance.EnableRouting != 0; }
+		}
+
+		public override int Mtu {
+			get { return mib.Mtu; }
+		}
+
+		public override bool UsesWins {
+			get { return ainfo.HaveWins; }
+		}
+	}
+
+	[StructLayout (LayoutKind.Sequential)]
+	class Win32_IP_PER_ADAPTER_INFO
+	{
+		public uint AutoconfigEnabled;
+		public uint AutoconfigActive;
+		public IntPtr CurrentDnsServer; // to Win32_IP_ADDR_STRING
+		public Win32_IP_ADDR_STRING DnsServerList;
+	}
 }
 #endif