//
// System.Net.NetworkInformation.IPGlobalProperties
//
-// Author:
+// Authors:
// Gonzalo Paniagua Javier (gonzalo@novell.com)
+// Atsushi Enomoto (atsushi@ximian.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
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
-#if NET_2_0
+
+using System.Collections.Generic;
+using System.Collections.Specialized;
+using System.Globalization;
+using System.IO;
+using System.Net.Sockets;
+using System.Runtime.InteropServices;
+using System.Text;
+
namespace System.Net.NetworkInformation {
public abstract class IPGlobalProperties {
protected IPGlobalProperties ()
{
}
- [MonoTODO]
public static IPGlobalProperties GetIPGlobalProperties ()
{
- throw new NotImplementedException ();
+ switch (Environment.OSVersion.Platform) {
+ case PlatformID.Unix:
+ MibIPGlobalProperties impl = null;
+ if (Directory.Exists (MibIPGlobalProperties.ProcDir)) {
+ impl = new MibIPGlobalProperties (MibIPGlobalProperties.ProcDir);
+ if (File.Exists (impl.StatisticsFile))
+ return impl;
+ }
+ if (Directory.Exists (MibIPGlobalProperties.CompatProcDir)) {
+ impl = new MibIPGlobalProperties (MibIPGlobalProperties.CompatProcDir);
+ if (File.Exists (impl.StatisticsFile))
+ return impl;
+ }
+ throw new NotSupportedException ("This platform is not supported");
+ default:
+ return new Win32IPGlobalProperties ();
+ }
}
public abstract TcpConnectionInformation [] GetActiveTcpConnections ();
public abstract bool IsWinsProxy { get; }
public abstract NetBiosNodeType NodeType { get; }
}
-}
-#endif
+ // It expects /proc/net/snmp (or /usr/compat/linux/proc/net/snmp),
+ // formatted like:
+ // http://www.linuxdevcenter.com/linux/2000/11/16/example5.html
+ // http://www.linuxdevcenter.com/linux/2000/11/16/example2.html
+ class MibIPGlobalProperties : IPGlobalProperties
+ {
+ [DllImport ("libc")]
+ static extern int gethostname ([MarshalAs (UnmanagedType.LPArray, SizeParamIndex = 1)] byte [] name, int len);
+
+ [DllImport ("libc")]
+ static extern int getdomainname ([MarshalAs (UnmanagedType.LPArray, SizeParamIndex = 1)] byte [] name, int len);
+
+ public const string ProcDir = "/proc";
+ public const string CompatProcDir = "/usr/compat/linux/proc";
+
+ public readonly string StatisticsFile, StatisticsFileIPv6, TcpFile, Tcp6File, UdpFile, Udp6File;
+
+ public MibIPGlobalProperties (string procDir)
+ {
+ StatisticsFile = Path.Combine (procDir, "net/snmp");
+ StatisticsFileIPv6 = Path.Combine (procDir, "net/snmp6");
+ TcpFile = Path.Combine (procDir,"net/tcp");
+ Tcp6File = Path.Combine (procDir,"net/tcp6");
+ UdpFile = Path.Combine (procDir,"net/udp");
+ Udp6File = Path.Combine (procDir,"net/udp6");
+ }
+
+ StringDictionary GetProperties4 (string item)
+ {
+ string file = StatisticsFile;
+
+ string head = item + ": ";
+ using (StreamReader sr = new StreamReader (file, Encoding.ASCII)) {
+ string [] keys = null;
+ string [] values = null;
+ string s = String.Empty;
+ do {
+ s = sr.ReadLine ();
+ if (String.IsNullOrEmpty (s))
+ continue;
+ if (s.Length <= head.Length || String.CompareOrdinal (s, 0, head, 0, head.Length) != 0)
+ continue;
+ if (keys == null)
+ keys = s.Substring (head.Length).Split (' ');
+ else if (values != null)
+ // hmm, there may be better error type...
+ throw CreateException (file, String.Format ("Found duplicate line for values for the same item '{0}'", item));
+ else {
+ values = s.Substring (head.Length).Split (' ');
+ break;
+ }
+ } while (!sr.EndOfStream);
+
+ if (values == null)
+ throw CreateException (file, String.Format ("No corresponding line was not found for '{0}'", item));
+ if (keys.Length != values.Length)
+ throw CreateException (file, String.Format ("The counts in the header line and the value line do not match for '{0}'", item));
+ StringDictionary dic = new StringDictionary ();
+ for (int i = 0; i < keys.Length; i++)
+ dic [keys [i]] = values [i];
+ return dic;
+ }
+ }
+
+ StringDictionary GetProperties6 (string item)
+ {
+ if (!File.Exists (StatisticsFileIPv6))
+ throw new NetworkInformationException ();
+
+ string file = StatisticsFileIPv6;
+
+ string head = item;
+ using (StreamReader sr = new StreamReader (file, Encoding.ASCII)) {
+ StringDictionary dic = new StringDictionary ();
+ string s = String.Empty;
+ do {
+ s = sr.ReadLine ();
+ if (String.IsNullOrEmpty (s))
+ continue;
+ if (s.Length <= head.Length || String.CompareOrdinal (s, 0, head, 0, head.Length) != 0)
+ continue;
+ int idx = s.IndexOfAny (wsChars, head.Length);
+ if (idx < 0)
+ throw CreateException (file, null);
+ dic [s.Substring (head.Length, idx - head.Length)] = s.Substring (idx + 1).Trim (wsChars);
+ } while (!sr.EndOfStream);
+
+ return dic;
+ }
+ }
+
+ static readonly char [] wsChars = new char [] {' ', '\t'};
+
+ Exception CreateException (string file, string msg)
+ {
+ return new InvalidOperationException (String.Format ("Unsupported (unexpected) '{0}' file format. ", file) + msg);
+ }
+ IPEndPoint [] GetLocalAddresses (List<string []> list)
+ {
+ IPEndPoint [] ret = new IPEndPoint [list.Count];
+ for (int i = 0; i < ret.Length; i++)
+ ret [i] = ToEndpoint (list [i] [1]);
+ return ret;
+ }
+
+ IPEndPoint ToEndpoint (string s)
+ {
+ int idx = s.IndexOf (':');
+ int port = int.Parse (s.Substring (idx + 1), NumberStyles.HexNumber);
+ if (s.Length == 13)
+ return new IPEndPoint (long.Parse (s.Substring (0, idx), NumberStyles.HexNumber), port);
+ else {
+ byte [] bytes = new byte [16];
+ for (int i = 0; (i << 1) < idx; i++)
+ bytes [i] = byte.Parse (s.Substring (i << 1, 2), NumberStyles.HexNumber);
+ return new IPEndPoint (new IPAddress (bytes), port);
+ }
+ }
+
+ void GetRows (string file, List<string []> list)
+ {
+ if (!File.Exists (file))
+ return;
+ using (StreamReader sr = new StreamReader (file, Encoding.ASCII)) {
+ sr.ReadLine (); // skip first line
+ while (!sr.EndOfStream) {
+ string [] item = sr.ReadLine ().Split (wsChars, StringSplitOptions.RemoveEmptyEntries);
+ if (item.Length < 4)
+ throw CreateException (file, null);
+ list.Add (item);
+ }
+ }
+ }
+
+ public override TcpConnectionInformation [] GetActiveTcpConnections ()
+ {
+ List<string []> list = new List<string []> ();
+ GetRows (TcpFile, list);
+ GetRows (Tcp6File, list);
+
+ TcpConnectionInformation [] ret = new TcpConnectionInformation [list.Count];
+ for (int i = 0; i < ret.Length; i++) {
+ // sl local_address rem_address st tx_queue rx_queue tr tm->when retrnsmt uid timeout inode
+ IPEndPoint local = ToEndpoint (list [i] [1]);
+ IPEndPoint remote = ToEndpoint (list [i] [2]);
+ TcpState state = (TcpState) int.Parse (list [i] [3], NumberStyles.HexNumber);
+ ret [i] = new TcpConnectionInformationImpl (local, remote, state);
+ }
+ return ret;
+ }
+
+ public override IPEndPoint [] GetActiveTcpListeners ()
+ {
+ List<string []> list = new List<string []> ();
+ GetRows (TcpFile, list);
+ GetRows (Tcp6File, list);
+ return GetLocalAddresses (list);
+ }
+
+ public override IPEndPoint [] GetActiveUdpListeners ()
+ {
+ List<string []> list = new List<string []> ();
+ GetRows (UdpFile, list);
+ GetRows (Udp6File, list);
+ return GetLocalAddresses (list);
+ }
+
+ public override IcmpV4Statistics GetIcmpV4Statistics ()
+ {
+ return new MibIcmpV4Statistics (GetProperties4 ("Icmp"));
+ }
+
+ public override IcmpV6Statistics GetIcmpV6Statistics ()
+ {
+ return new MibIcmpV6Statistics (GetProperties6 ("Icmp6"));
+ }
+
+ public override IPGlobalStatistics GetIPv4GlobalStatistics ()
+ {
+ return new MibIPGlobalStatistics (GetProperties4 ("Ip"));
+ }
+
+ public override IPGlobalStatistics GetIPv6GlobalStatistics ()
+ {
+ return new MibIPGlobalStatistics (GetProperties6 ("Ip6"));
+ }
+
+ public override TcpStatistics GetTcpIPv4Statistics ()
+ {
+ return new MibTcpStatistics (GetProperties4 ("Tcp"));
+ }
+
+ public override TcpStatistics GetTcpIPv6Statistics ()
+ {
+ // There is no TCP info in /proc/net/snmp,
+ // so it is shared with IPv4 info.
+ return new MibTcpStatistics (GetProperties4 ("Tcp"));
+ }
+
+ public override UdpStatistics GetUdpIPv4Statistics ()
+ {
+ return new MibUdpStatistics (GetProperties4 ("Udp"));
+ }
+
+ public override UdpStatistics GetUdpIPv6Statistics ()
+ {
+ return new MibUdpStatistics (GetProperties6 ("Udp6"));
+ }
+
+ public override string DhcpScopeName {
+ get { return String.Empty; }
+ }
+
+ public override string DomainName {
+ get {
+ byte [] bytes = new byte [256];
+ if (getdomainname (bytes, 256) != 0)
+ throw new NetworkInformationException ();
+ int len = Array.IndexOf<byte> (bytes, 0);
+ return Encoding.ASCII.GetString (bytes, 0, len < 0 ? 256 : len);
+ }
+ }
+
+ public override string HostName {
+ get {
+ byte [] bytes = new byte [256];
+ if (gethostname (bytes, 256) != 0)
+ throw new NetworkInformationException ();
+ int len = Array.IndexOf<byte> (bytes, 0);
+ return Encoding.ASCII.GetString (bytes, 0, len < 0 ? 256 : len);
+ }
+ }
+
+ public override bool IsWinsProxy {
+ get { return false; } // no WINS
+ }
+
+ public override NetBiosNodeType NodeType {
+ get { return NetBiosNodeType.Unknown; } // no NetBios
+ }
+ }
+
+ class Win32IPGlobalProperties : IPGlobalProperties
+ {
+ public const int AF_INET = 2;
+ public const int AF_INET6 = 23;
+
+ // FIXME: it might be getting wrong table. I'm getting
+ // different results from .NET 2.0.
+ unsafe void FillTcpTable (out List<Win32_MIB_TCPROW> tab4, out List<Win32_MIB_TCP6ROW> tab6)
+ {
+ tab4 = new List<Win32_MIB_TCPROW> ();
+ int size4 = 0;
+ GetTcpTable (null, ref size4, true); // get size
+ byte [] bytes4 = new byte [size4];
+ GetTcpTable (bytes4, ref size4, true); // get list
+
+ int structSize4 = Marshal.SizeOf (typeof (Win32_MIB_TCPROW));
+
+ fixed (byte* ptr = bytes4) {
+ int count = Marshal.ReadInt32 ((IntPtr) ptr);
+ for (int i = 0; i < count; i++) {
+ Win32_MIB_TCPROW row = new Win32_MIB_TCPROW ();
+ Marshal.PtrToStructure ((IntPtr) (ptr + i * structSize4 + 4), row);
+ tab4.Add (row);
+ }
+ }
+
+ tab6 = new List<Win32_MIB_TCP6ROW> ();
+ if (Environment.OSVersion.Version.Major >= 6) { // Vista
+ int size6 = 0;
+ GetTcp6Table (null, ref size6, true); // get size
+ byte [] bytes6 = new byte [size6];
+ GetTcp6Table (bytes6, ref size6, true); // get list
+
+ int structSize6 = Marshal.SizeOf (typeof (Win32_MIB_TCP6ROW));
+
+ fixed (byte* ptr = bytes6) {
+ int count = Marshal.ReadInt32 ((IntPtr) ptr);
+ for (int i = 0; i < count; i++) {
+ Win32_MIB_TCP6ROW row = new Win32_MIB_TCP6ROW ();
+ Marshal.PtrToStructure ((IntPtr) (ptr + i * structSize6 + 4), row);
+ tab6.Add (row);
+ }
+ }
+ }
+ }
+
+ bool IsListenerState (TcpState state)
+ {
+ switch (state) {
+ case TcpState.SynSent:
+ case TcpState.Listen:
+ case TcpState.FinWait1:
+ case TcpState.FinWait2:
+ case TcpState.CloseWait:
+ return true;
+ }
+ return false;
+ }
+
+ public override TcpConnectionInformation [] GetActiveTcpConnections ()
+ {
+ List<Win32_MIB_TCPROW> tab4 = null;
+ List<Win32_MIB_TCP6ROW> tab6 = null;
+ FillTcpTable (out tab4, out tab6);
+ int size4 = tab4.Count;
+
+ TcpConnectionInformation [] ret = new TcpConnectionInformation [size4 + tab6.Count];
+ for (int i = 0; i < size4; i++)
+ ret [i] = tab4 [i].TcpInfo;
+ for (int i = 0; i < tab6.Count; i++)
+ ret [size4 + i] = tab6 [i].TcpInfo;
+ return ret;
+ }
+
+ public override IPEndPoint [] GetActiveTcpListeners ()
+ {
+ List<Win32_MIB_TCPROW> tab4 = null;
+ List<Win32_MIB_TCP6ROW> tab6 = null;
+ FillTcpTable (out tab4, out tab6);
+
+ List<IPEndPoint> ret = new List<IPEndPoint> ();
+ for (int i = 0, count = tab4.Count; i < count; i++)
+ if (IsListenerState (tab4 [i].State))
+ ret.Add (tab4 [i].LocalEndPoint);
+ for (int i = 0, count = tab6.Count; i < count; i++)
+ if (IsListenerState (tab6 [i].State))
+ ret.Add (tab6 [i].LocalEndPoint);
+ return ret.ToArray ();
+ }
+
+ public unsafe override IPEndPoint [] GetActiveUdpListeners ()
+ {
+ List<IPEndPoint> list = new List<IPEndPoint> ();
+
+ byte [] bytes4 = null;
+ int size4 = 0;
+ GetUdpTable (null, ref size4, true); // get size
+ bytes4 = new byte [size4];
+ GetUdpTable (bytes4, ref size4, true); // get list
+
+ int structSize4 = Marshal.SizeOf (typeof (Win32_MIB_UDPROW));
+
+ fixed (byte* ptr = bytes4) {
+ int count = Marshal.ReadInt32 ((IntPtr) ptr);
+ for (int i = 0; i < count; i++) {
+ Win32_MIB_UDPROW row = new Win32_MIB_UDPROW ();
+ Marshal.PtrToStructure ((IntPtr) (ptr + i * structSize4 + 4), row);
+ list.Add (row.LocalEndPoint);
+ }
+ }
+
+ if (Environment.OSVersion.Version.Major >= 6) { // Vista
+ byte [] bytes6 = null;
+ int size6 = 0;
+ GetUdp6Table (null, ref size6, true); // get size
+ bytes6 = new byte [size6];
+ GetUdp6Table (bytes6, ref size6, true); // get list
+
+ int structSize6 = Marshal.SizeOf (typeof (Win32_MIB_UDP6ROW));
+
+ fixed (byte* ptr = bytes6) {
+ int count = Marshal.ReadInt32 ((IntPtr) ptr);
+ for (int i = 0; i < count; i++) {
+ Win32_MIB_UDP6ROW row = new Win32_MIB_UDP6ROW ();
+ Marshal.PtrToStructure ((IntPtr) (ptr + i * structSize6 + 4), row);
+ list.Add (row.LocalEndPoint);
+ }
+ }
+ }
+
+ return list.ToArray ();
+ }
+
+ public override IcmpV4Statistics GetIcmpV4Statistics ()
+ {
+ if (!Socket.SupportsIPv4)
+ throw new NetworkInformationException ();
+ Win32_MIBICMPINFO stats;
+ GetIcmpStatistics (out stats, AF_INET);
+ return new Win32IcmpV4Statistics (stats);
+ }
+
+ public override IcmpV6Statistics GetIcmpV6Statistics ()
+ {
+ if (!Socket.OSSupportsIPv6)
+ throw new NetworkInformationException ();
+ Win32_MIB_ICMP_EX stats;
+ GetIcmpStatisticsEx (out stats, AF_INET6);
+ return new Win32IcmpV6Statistics (stats);
+ }
+
+ public override IPGlobalStatistics GetIPv4GlobalStatistics ()
+ {
+ if (!Socket.SupportsIPv4)
+ throw new NetworkInformationException ();
+ Win32_MIB_IPSTATS stats;
+ GetIpStatisticsEx (out stats, AF_INET);
+ return new Win32IPGlobalStatistics (stats);
+ }
+
+ public override IPGlobalStatistics GetIPv6GlobalStatistics ()
+ {
+ if (!Socket.OSSupportsIPv6)
+ throw new NetworkInformationException ();
+ Win32_MIB_IPSTATS stats;
+ GetIpStatisticsEx (out stats, AF_INET6);
+ return new Win32IPGlobalStatistics (stats);
+ }
+
+ public override TcpStatistics GetTcpIPv4Statistics ()
+ {
+ if (!Socket.SupportsIPv4)
+ throw new NetworkInformationException ();
+ Win32_MIB_TCPSTATS stats;
+ GetTcpStatisticsEx (out stats, AF_INET);
+ return new Win32TcpStatistics (stats);
+ }
+
+ public override TcpStatistics GetTcpIPv6Statistics ()
+ {
+ if (!Socket.OSSupportsIPv6)
+ throw new NetworkInformationException ();
+ Win32_MIB_TCPSTATS stats;
+ GetTcpStatisticsEx (out stats, AF_INET6);
+ return new Win32TcpStatistics (stats);
+ }
+
+ public override UdpStatistics GetUdpIPv4Statistics ()
+ {
+ if (!Socket.SupportsIPv4)
+ throw new NetworkInformationException ();
+ Win32_MIB_UDPSTATS stats;
+ GetUdpStatisticsEx (out stats, AF_INET);
+ return new Win32UdpStatistics (stats);
+ }
+
+ public override UdpStatistics GetUdpIPv6Statistics ()
+ {
+ if (!Socket.OSSupportsIPv6)
+ throw new NetworkInformationException ();
+ Win32_MIB_UDPSTATS stats;
+ GetUdpStatisticsEx (out stats, AF_INET6);
+ return new Win32UdpStatistics (stats);
+ }
+
+ public override string DhcpScopeName {
+ get { return Win32_FIXED_INFO.Instance.ScopeId; }
+ }
+
+ public override string DomainName {
+ get { return Win32_FIXED_INFO.Instance.DomainName; }
+ }
+
+ public override string HostName {
+ get { return Win32_FIXED_INFO.Instance.HostName; }
+ }
+
+ public override bool IsWinsProxy {
+ get { return Win32_FIXED_INFO.Instance.EnableProxy != 0; }
+ }
+
+ public override NetBiosNodeType NodeType {
+ get { return Win32_FIXED_INFO.Instance.NodeType; }
+ }
+
+ // PInvokes
+
+ [DllImport ("iphlpapi.dll")]
+ static extern int GetTcpTable (byte [] pTcpTable, ref int pdwSize, bool bOrder);
+
+ [DllImport ("iphlpapi.dll")]
+ static extern int GetTcp6Table (byte [] TcpTable, ref int SizePointer, bool Order);
+
+ [DllImport ("iphlpapi.dll")]
+ static extern int GetUdpTable (byte [] pUdpTable, ref int pdwSize, bool bOrder);
+
+ [DllImport ("iphlpapi.dll")]
+ static extern int GetUdp6Table (byte [] Udp6Table, ref int SizePointer, bool Order);
+
+ [DllImport ("iphlpapi.dll")]
+ static extern int GetTcpStatisticsEx (out Win32_MIB_TCPSTATS pStats, int dwFamily);
+
+ [DllImport ("iphlpapi.dll")]
+ static extern int GetUdpStatisticsEx (out Win32_MIB_UDPSTATS pStats, int dwFamily);
+
+ [DllImport ("iphlpapi.dll")]
+ static extern int GetIcmpStatistics (out Win32_MIBICMPINFO pStats, int dwFamily);
+
+ [DllImport ("iphlpapi.dll")]
+ static extern int GetIcmpStatisticsEx (out Win32_MIB_ICMP_EX pStats, int dwFamily);
+
+ [DllImport ("iphlpapi.dll")]
+ static extern int GetIpStatisticsEx (out Win32_MIB_IPSTATS pStats, int dwFamily);
+
+ // Win32 structures
+
+ [StructLayout (LayoutKind.Explicit)]
+ struct Win32_IN6_ADDR
+ {
+ [FieldOffset (0)]
+ [MarshalAs ( UnmanagedType.ByValArray, SizeConst = 16)]
+ public byte [] Bytes;
+ }
+
+ [StructLayout (LayoutKind.Sequential)]
+ class Win32_MIB_TCPROW
+ {
+ public TcpState State;
+ public uint LocalAddr;
+ public int LocalPort;
+ public uint RemoteAddr;
+ public int RemotePort;
+
+ public IPEndPoint LocalEndPoint {
+ get { return new IPEndPoint (LocalAddr, LocalPort); }
+ }
+
+ public IPEndPoint RemoteEndPoint {
+ get { return new IPEndPoint (RemoteAddr, RemotePort); }
+ }
+
+ public TcpConnectionInformation TcpInfo {
+ get { return new TcpConnectionInformationImpl (LocalEndPoint, RemoteEndPoint, State); }
+ }
+ }
+
+ [StructLayout (LayoutKind.Sequential)]
+ class Win32_MIB_TCP6ROW
+ {
+ public TcpState State;
+ public Win32_IN6_ADDR LocalAddr;
+ public uint LocalScopeId;
+ public int LocalPort;
+ public Win32_IN6_ADDR RemoteAddr;
+ public uint RemoteScopeId;
+ public int RemotePort;
+
+ public IPEndPoint LocalEndPoint {
+ get { return new IPEndPoint (new IPAddress (LocalAddr.Bytes, LocalScopeId), LocalPort); }
+ }
+
+ public IPEndPoint RemoteEndPoint {
+ get { return new IPEndPoint (new IPAddress (RemoteAddr.Bytes, RemoteScopeId), RemotePort); }
+ }
+
+ public TcpConnectionInformation TcpInfo {
+ get { return new TcpConnectionInformationImpl (LocalEndPoint, RemoteEndPoint, State); }
+ }
+ }
+
+ [StructLayout (LayoutKind.Sequential)]
+ class Win32_MIB_UDPROW
+ {
+ public uint LocalAddr;
+ public int LocalPort;
+
+ public IPEndPoint LocalEndPoint {
+ get { return new IPEndPoint (LocalAddr, LocalPort); }
+ }
+ }
+
+ [StructLayout (LayoutKind.Sequential)]
+ class Win32_MIB_UDP6ROW
+ {
+ public Win32_IN6_ADDR LocalAddr;
+ public uint LocalScopeId;
+ public int LocalPort;
+
+ public IPEndPoint LocalEndPoint {
+ get { return new IPEndPoint (new IPAddress (LocalAddr.Bytes, LocalScopeId), LocalPort); }
+ }
+ }
+ }
+}
projects / mono.git / blobdiff