388 lines
11 KiB
C#
388 lines
11 KiB
C#
//
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// System.Net.NetworkInformation.IPGlobalProperties
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//
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// Authors:
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// Gonzalo Paniagua Javier (gonzalo@novell.com)
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// Atsushi Enomoto (atsushi@ximian.com)
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// Marek Safar (marek.safar@gmail.com)
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//
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// Copyright (c) 2006-2007 Novell, Inc. (http://www.novell.com)
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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#if WIN_PLATFORM
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using System.Collections.Generic;
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using System.Net.Sockets;
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using System.Runtime.InteropServices;
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namespace System.Net.NetworkInformation {
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class Win32IPGlobalProperties : IPGlobalProperties
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{
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public const int AF_INET = 2;
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public const int AF_INET6 = 23;
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unsafe void FillTcpTable (out List<Win32_MIB_TCPROW> tab4, out List<Win32_MIB_TCP6ROW> tab6)
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{
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tab4 = new List<Win32_MIB_TCPROW> ();
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int size4 = 0;
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GetTcpTable (null, ref size4, true); // get size
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byte [] bytes4 = new byte [size4];
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GetTcpTable (bytes4, ref size4, true); // get list
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int structSize4 = Marshal.SizeOf (typeof (Win32_MIB_TCPROW));
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fixed (byte* ptr = bytes4) {
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int count = Marshal.ReadInt32 ((IntPtr) ptr);
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for (int i = 0; i < count; i++) {
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Win32_MIB_TCPROW row = new Win32_MIB_TCPROW ();
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Marshal.PtrToStructure ((IntPtr) (ptr + i * structSize4 + 4), row);
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tab4.Add (row);
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}
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}
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tab6 = new List<Win32_MIB_TCP6ROW> ();
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if (Environment.OSVersion.Version.Major >= 6) { // Vista
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int size6 = 0;
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GetTcp6Table (null, ref size6, true); // get size
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byte [] bytes6 = new byte [size6];
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GetTcp6Table (bytes6, ref size6, true); // get list
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int structSize6 = Marshal.SizeOf (typeof (Win32_MIB_TCP6ROW));
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fixed (byte* ptr = bytes6) {
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int count = Marshal.ReadInt32 ((IntPtr) ptr);
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for (int i = 0; i < count; i++) {
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Win32_MIB_TCP6ROW row = new Win32_MIB_TCP6ROW ();
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Marshal.PtrToStructure ((IntPtr) (ptr + i * structSize6 + 4), row);
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tab6.Add (row);
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}
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}
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}
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}
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bool IsListenerState (TcpState state)
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{
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switch (state) {
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case TcpState.SynSent:
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case TcpState.Listen:
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case TcpState.FinWait1:
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case TcpState.FinWait2:
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case TcpState.CloseWait:
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return true;
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}
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return false;
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}
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public override TcpConnectionInformation [] GetActiveTcpConnections ()
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{
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List<Win32_MIB_TCPROW> tab4 = null;
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List<Win32_MIB_TCP6ROW> tab6 = null;
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FillTcpTable (out tab4, out tab6);
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int size4 = tab4.Count;
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TcpConnectionInformation [] ret = new TcpConnectionInformation [size4 + tab6.Count];
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for (int i = 0; i < size4; i++)
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ret [i] = tab4 [i].TcpInfo;
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for (int i = 0; i < tab6.Count; i++)
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ret [size4 + i] = tab6 [i].TcpInfo;
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return ret;
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}
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public override IPEndPoint [] GetActiveTcpListeners ()
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{
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List<Win32_MIB_TCPROW> tab4 = null;
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List<Win32_MIB_TCP6ROW> tab6 = null;
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FillTcpTable (out tab4, out tab6);
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List<IPEndPoint> ret = new List<IPEndPoint> ();
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for (int i = 0, count = tab4.Count; i < count; i++)
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if (IsListenerState (tab4 [i].State))
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ret.Add (tab4 [i].LocalEndPoint);
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for (int i = 0, count = tab6.Count; i < count; i++)
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if (IsListenerState (tab6 [i].State))
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ret.Add (tab6 [i].LocalEndPoint);
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return ret.ToArray ();
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}
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public unsafe override IPEndPoint [] GetActiveUdpListeners ()
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{
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List<IPEndPoint> list = new List<IPEndPoint> ();
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byte [] bytes4 = null;
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int size4 = 0;
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GetUdpTable (null, ref size4, true); // get size
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bytes4 = new byte [size4];
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GetUdpTable (bytes4, ref size4, true); // get list
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int structSize4 = Marshal.SizeOf (typeof (Win32_MIB_UDPROW));
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fixed (byte* ptr = bytes4) {
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int count = Marshal.ReadInt32 ((IntPtr) ptr);
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for (int i = 0; i < count; i++) {
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Win32_MIB_UDPROW row = new Win32_MIB_UDPROW ();
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Marshal.PtrToStructure ((IntPtr) (ptr + i * structSize4 + 4), row);
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list.Add (row.LocalEndPoint);
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}
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}
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if (Environment.OSVersion.Version.Major >= 6) { // Vista
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byte [] bytes6 = null;
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int size6 = 0;
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GetUdp6Table (null, ref size6, true); // get size
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bytes6 = new byte [size6];
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GetUdp6Table (bytes6, ref size6, true); // get list
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int structSize6 = Marshal.SizeOf (typeof (Win32_MIB_UDP6ROW));
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fixed (byte* ptr = bytes6) {
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int count = Marshal.ReadInt32 ((IntPtr) ptr);
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for (int i = 0; i < count; i++) {
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Win32_MIB_UDP6ROW row = new Win32_MIB_UDP6ROW ();
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Marshal.PtrToStructure ((IntPtr) (ptr + i * structSize6 + 4), row);
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list.Add (row.LocalEndPoint);
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}
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}
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}
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return list.ToArray ();
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}
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public override IcmpV4Statistics GetIcmpV4Statistics ()
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{
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if (!Socket.OSSupportsIPv4)
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throw new NetworkInformationException ();
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Win32_MIBICMPINFO stats;
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GetIcmpStatistics (out stats, AF_INET);
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return new Win32IcmpV4Statistics (stats);
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}
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public override IcmpV6Statistics GetIcmpV6Statistics ()
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{
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if (!Socket.OSSupportsIPv6)
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throw new NetworkInformationException ();
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Win32_MIB_ICMP_EX stats;
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GetIcmpStatisticsEx (out stats, AF_INET6);
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return new Win32IcmpV6Statistics (stats);
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}
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public override IPGlobalStatistics GetIPv4GlobalStatistics ()
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{
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if (!Socket.OSSupportsIPv4)
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throw new NetworkInformationException ();
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Win32_MIB_IPSTATS stats;
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GetIpStatisticsEx (out stats, AF_INET);
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return new Win32IPGlobalStatistics (stats);
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}
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public override IPGlobalStatistics GetIPv6GlobalStatistics ()
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{
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if (!Socket.OSSupportsIPv6)
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throw new NetworkInformationException ();
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Win32_MIB_IPSTATS stats;
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GetIpStatisticsEx (out stats, AF_INET6);
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return new Win32IPGlobalStatistics (stats);
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}
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public override TcpStatistics GetTcpIPv4Statistics ()
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{
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if (!Socket.OSSupportsIPv4)
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throw new NetworkInformationException ();
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Win32_MIB_TCPSTATS stats;
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GetTcpStatisticsEx (out stats, AF_INET);
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return new Win32TcpStatistics (stats);
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}
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public override TcpStatistics GetTcpIPv6Statistics ()
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{
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if (!Socket.OSSupportsIPv6)
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throw new NetworkInformationException ();
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Win32_MIB_TCPSTATS stats;
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GetTcpStatisticsEx (out stats, AF_INET6);
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return new Win32TcpStatistics (stats);
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}
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public override UdpStatistics GetUdpIPv4Statistics ()
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{
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if (!Socket.OSSupportsIPv4)
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throw new NetworkInformationException ();
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Win32_MIB_UDPSTATS stats;
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GetUdpStatisticsEx (out stats, AF_INET);
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return new Win32UdpStatistics (stats);
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}
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public override UdpStatistics GetUdpIPv6Statistics ()
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{
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if (!Socket.OSSupportsIPv6)
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throw new NetworkInformationException ();
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Win32_MIB_UDPSTATS stats;
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GetUdpStatisticsEx (out stats, AF_INET6);
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return new Win32UdpStatistics (stats);
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}
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public override string DhcpScopeName {
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get { return Win32NetworkInterface.FixedInfo.ScopeId; }
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}
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public override string DomainName {
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get { return Win32NetworkInterface.FixedInfo.DomainName; }
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}
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public override string HostName {
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get { return Win32NetworkInterface.FixedInfo.HostName; }
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}
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public override bool IsWinsProxy {
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get { return Win32NetworkInterface.FixedInfo.EnableProxy != 0; }
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}
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public override NetBiosNodeType NodeType {
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get { return Win32NetworkInterface.FixedInfo.NodeType; }
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}
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// PInvokes
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[DllImport ("iphlpapi.dll")]
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static extern int GetTcpTable (byte [] pTcpTable, ref int pdwSize, bool bOrder);
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[DllImport ("iphlpapi.dll")]
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static extern int GetTcp6Table (byte [] TcpTable, ref int SizePointer, bool Order);
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[DllImport ("iphlpapi.dll")]
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static extern int GetUdpTable (byte [] pUdpTable, ref int pdwSize, bool bOrder);
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[DllImport ("iphlpapi.dll")]
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static extern int GetUdp6Table (byte [] Udp6Table, ref int SizePointer, bool Order);
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[DllImport ("iphlpapi.dll")]
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static extern int GetTcpStatisticsEx (out Win32_MIB_TCPSTATS pStats, int dwFamily);
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[DllImport ("iphlpapi.dll")]
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static extern int GetUdpStatisticsEx (out Win32_MIB_UDPSTATS pStats, int dwFamily);
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[DllImport ("iphlpapi.dll")]
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static extern int GetIcmpStatistics (out Win32_MIBICMPINFO pStats, int dwFamily);
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[DllImport ("iphlpapi.dll")]
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static extern int GetIcmpStatisticsEx (out Win32_MIB_ICMP_EX pStats, int dwFamily);
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[DllImport ("iphlpapi.dll")]
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static extern int GetIpStatisticsEx (out Win32_MIB_IPSTATS pStats, int dwFamily);
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[DllImport ("Ws2_32.dll")]
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static extern ushort ntohs (ushort netshort);
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// Win32 structures
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[StructLayout (LayoutKind.Explicit)]
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struct Win32_IN6_ADDR
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{
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[FieldOffset (0)]
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[MarshalAs ( UnmanagedType.ByValArray, SizeConst = 16)]
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public byte [] Bytes;
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}
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[StructLayout (LayoutKind.Sequential)]
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class Win32_MIB_TCPROW
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{
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public TcpState State;
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public uint LocalAddr;
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public uint LocalPort;
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public uint RemoteAddr;
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public uint RemotePort;
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public IPEndPoint LocalEndPoint {
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get { return new IPEndPoint (LocalAddr, ntohs((ushort)LocalPort)); }
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}
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public IPEndPoint RemoteEndPoint {
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get { return new IPEndPoint (RemoteAddr, ntohs((ushort)RemotePort)); }
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}
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public TcpConnectionInformation TcpInfo {
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get { return new SystemTcpConnectionInformation (LocalEndPoint, RemoteEndPoint, State); }
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}
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}
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[StructLayout (LayoutKind.Sequential)]
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class Win32_MIB_TCP6ROW
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{
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public TcpState State;
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public Win32_IN6_ADDR LocalAddr;
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public uint LocalScopeId;
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public uint LocalPort;
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public Win32_IN6_ADDR RemoteAddr;
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public uint RemoteScopeId;
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public uint RemotePort;
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public IPEndPoint LocalEndPoint {
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get { return new IPEndPoint (new IPAddress (LocalAddr.Bytes, LocalScopeId), ntohs((ushort)LocalPort)); }
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}
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public IPEndPoint RemoteEndPoint {
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get { return new IPEndPoint (new IPAddress (RemoteAddr.Bytes, RemoteScopeId), ntohs((ushort)RemotePort)); }
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}
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public TcpConnectionInformation TcpInfo {
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get { return new SystemTcpConnectionInformation (LocalEndPoint, RemoteEndPoint, State); }
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}
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}
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[StructLayout (LayoutKind.Sequential)]
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class Win32_MIB_UDPROW
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{
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public uint LocalAddr;
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public uint LocalPort;
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public IPEndPoint LocalEndPoint {
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get { return new IPEndPoint (LocalAddr, ntohs((ushort)LocalPort)); }
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}
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}
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[StructLayout (LayoutKind.Sequential)]
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class Win32_MIB_UDP6ROW
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{
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public Win32_IN6_ADDR LocalAddr;
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public uint LocalScopeId;
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public uint LocalPort;
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public IPEndPoint LocalEndPoint {
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get { return new IPEndPoint (new IPAddress (LocalAddr.Bytes, LocalScopeId), ntohs((ushort)LocalPort)); }
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}
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}
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}
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internal static class Win32IPGlobalPropertiesFactoryPal {
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public static IPGlobalProperties Create ()
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{
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#if MONO
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#if WIN_PLATFORM
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return new Win32IPGlobalProperties ();
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#else
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return null;
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#endif
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#else
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(new NetworkInformationPermission (NetworkInformationAccess.Read)).Demand ();
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return new SystemIPGlobalProperties ();
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#endif
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}
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}
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}
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#endif
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