/// <summary>
/// Get permanent mac address from soft mac bytes
/// </summary>
/// <param name="softMacBytes">soft mac byte arrays to be searched</param>
/// <returns>the permanent mac address bytes according to soft mac, null if not found</returns>
public static byte[] getPermanentMacFromSoftMac(byte[] softMacBytes)
{
MIB_IF_TABLE2 mibTable = MibIFSingleton.Instance.getMIB2Interface();
MIB_IF_ROW2[] mibRows = (from mibIfRow in mibTable.Table where matchByteArray(softMacBytes, mibIfRow.PhysicalAddress) select mibIfRow).ToArray <MIB_IF_ROW2>();
try
{
if (null == mibRows || 0 == mibRows.Length)
{
return(null); // Does not find the permanent mac
}
else
{
byte[] matchBytes = mibRows[0].PermanentPhysicalAddress;
if (mibRows[0].PhysicalAddressLength != 6)
{
Debug.Print("found non-ethernet physical address, taken as not found");
return(null);
}
return(matchBytes);
}
}
catch (Exception e)
{
Debug.Print("get exception: {0}", e);
return(null);
}
}
public static List <NetworkAdapter> GetNetworkAdapters()
{
List <NetworkAdapter> resList = new List <NetworkAdapter>();
MIB_IF_TABLE2 MIB_IF_TABLE2 = GetMIB2Interface();
for (int i = 0; i < MIB_IF_TABLE2.NumEntries; i++)
{
if (MIB_IF_TABLE2.Table[i].OutOctets == 0 && MIB_IF_TABLE2.Table[i].InOctets == 0)
{
continue;
}
var ret = resList.FindLast(x => x.Recv.Equals(MIB_IF_TABLE2.Table[i].InOctets) && x.Send.Equals(MIB_IF_TABLE2.Table[i].OutOctets));
if (ret != null)
{
continue;
}
NetworkAdapter n = new NetworkAdapter();
n.Send = MIB_IF_TABLE2.Table[i].OutOctets;
n.Recv = MIB_IF_TABLE2.Table[i].InOctets;
StringBuilder builder = new StringBuilder();
for (int j = 0; j < MIB_IF_TABLE2.Table[i].PhysicalAddressLength; j++)
{
builder.Append(string.Format("-{0:X2}", MIB_IF_TABLE2.Table[i].PhysicalAddress[j]));
}
n.MAC = builder.ToString().Substring(1);
resList.Add(n);
}
return(resList);
}
/// <summary>
/// Get single instance
/// </summary>
private MibIFSingleton()
{
mibTable2 = new MIB_IF_TABLE2();
bDirty = true;
}
private static MIB_IF_TABLE2 GetMIB2Interface()
{
int pTable = 0;
byte[] bin = null;
MIB_IF_TABLE2 MIB_IF_TABLE2 = new MIB_IF_TABLE2();
int ret = GetIfTable2(ref pTable);
if (ret != 0)
{
return(MIB_IF_TABLE2);
}
int leng = 1352;
RtlMoveMemory(ref MIB_IF_TABLE2.NumEntries, pTable, 4);
MIB_IF_TABLE2.Table = new MIB_IF_ROW2[MIB_IF_TABLE2.NumEntries];
int Address = pTable + 8;
for (int i = 0; i < MIB_IF_TABLE2.NumEntries; i++)
{
RtlMoveMemory(ref MIB_IF_TABLE2.Table[i].InterfaceLuid, Address + (i) * leng, 8);
RtlMoveMemory(ref MIB_IF_TABLE2.Table[i].InterfaceIndex, Address + (i) * leng + 8, 4);
MIB_IF_TABLE2.Table[i].GUID = new byte[16];
RtlMoveMemory(SetHandleCount(MIB_IF_TABLE2.Table[i].GUID), Address + (i) * leng + 12, 16);
bin = new byte[514];
RtlMoveMemory(SetHandleCount(bin), Address + (i) * leng + 28, 514);
MIB_IF_TABLE2.Table[i].Alias = Encoding.Unicode.GetString(bin);
bin = new byte[514];
RtlMoveMemory(SetHandleCount(bin), Address + (i) * leng + 542, 514);
MIB_IF_TABLE2.Table[i].Description = Encoding.Unicode.GetString(bin);
RtlMoveMemory(ref MIB_IF_TABLE2.Table[i].PhysicalAddressLength, Address + (i) * leng + 1056, 4);
MIB_IF_TABLE2.Table[i].PhysicalAddress = new byte[32];
RtlMoveMemory(SetHandleCount(MIB_IF_TABLE2.Table[i].PhysicalAddress), Address + (i) * leng + 1060, 32);
MIB_IF_TABLE2.Table[i].PermanentPhysicalAddress = new byte[32];
RtlMoveMemory(SetHandleCount(MIB_IF_TABLE2.Table[i].PermanentPhysicalAddress),
Address + (i) * leng + 1092, 32);
RtlMoveMemory(ref MIB_IF_TABLE2.Table[i].Mtu, Address + (i) * leng + 1124, 4);
RtlMoveMemory(ref MIB_IF_TABLE2.Table[i].Type, Address + (i) * leng + 1128, 4);
RtlMoveMemory(ref MIB_IF_TABLE2.Table[i].TunnelType, Address + (i) * leng + 1132, 4);
RtlMoveMemory(ref MIB_IF_TABLE2.Table[i].MediaType, Address + (i) * leng + 1136, 4);
RtlMoveMemory(ref MIB_IF_TABLE2.Table[i].PhysicalMediumType, Address + (i) * leng + 1140, 4);
RtlMoveMemory(ref MIB_IF_TABLE2.Table[i].AccessType, Address + (i) * leng + 1144, 4);
RtlMoveMemory(ref MIB_IF_TABLE2.Table[i].DirectionType, Address + (i) * leng + 1148, 4);
MIB_IF_TABLE2.Table[i].InterfaceAndOperStatusFlags = new byte[8];
RtlMoveMemory(SetHandleCount(MIB_IF_TABLE2.Table[i].InterfaceAndOperStatusFlags),
Address + (i) * leng + 1152, 8);
RtlMoveMemory(ref MIB_IF_TABLE2.Table[i].OperStatus, Address + (i) * leng + 1160, 4);
RtlMoveMemory(ref MIB_IF_TABLE2.Table[i].AdminStatus, Address + (i) * leng + 1164, 4);
RtlMoveMemory(ref MIB_IF_TABLE2.Table[i].MediaConnectState, Address + (i) * leng + 1168, 4);
MIB_IF_TABLE2.Table[i].NetworkGuid = new byte[16];
RtlMoveMemory(SetHandleCount(MIB_IF_TABLE2.Table[i].NetworkGuid), Address + (i) * leng + 1172, 16);
RtlMoveMemory(ref MIB_IF_TABLE2.Table[i].ConnectionType, Address + (i) * leng + 1188, 4);
RtlMoveMemory(ref MIB_IF_TABLE2.Table[i].TransmitLinkSpeed, Address + (i) * leng + 1192, 8);
RtlMoveMemory(ref MIB_IF_TABLE2.Table[i].ReceiveLinkSpeed, Address + (i) * leng + 1200, 8);
RtlMoveMemory(ref MIB_IF_TABLE2.Table[i].InOctets, Address + (i) * leng + 1208, 8);
RtlMoveMemory(ref MIB_IF_TABLE2.Table[i].InUcastPkts, Address + (i) * leng + 1216, 8);
RtlMoveMemory(ref MIB_IF_TABLE2.Table[i].InNUcastPkts, Address + (i) * leng + 1224, 8);
RtlMoveMemory(ref MIB_IF_TABLE2.Table[i].InDiscards, Address + (i) * leng + 1232, 8);
RtlMoveMemory(ref MIB_IF_TABLE2.Table[i].InErrors, Address + (i) * leng + 1240, 8);
RtlMoveMemory(ref MIB_IF_TABLE2.Table[i].InUnknownProtos, Address + (i) * leng + 1248, 8);
RtlMoveMemory(ref MIB_IF_TABLE2.Table[i].InUcastOctets, Address + (i) * leng + 1256, 8);
RtlMoveMemory(ref MIB_IF_TABLE2.Table[i].InMulticastOctets, Address + (i) * leng + 1264, 8);
RtlMoveMemory(ref MIB_IF_TABLE2.Table[i].InBroadcastOctets, Address + (i) * leng + 1272, 8);
RtlMoveMemory(ref MIB_IF_TABLE2.Table[i].OutOctets, Address + (i) * leng + 1280, 8);
RtlMoveMemory(ref MIB_IF_TABLE2.Table[i].OutUcastPkts, Address + (i) * leng + 1288, 8);
RtlMoveMemory(ref MIB_IF_TABLE2.Table[i].OutNUcastPkts, Address + (i) * leng + 1296, 8);
RtlMoveMemory(ref MIB_IF_TABLE2.Table[i].OutDiscards, Address + (i) * leng + 1304, 8);
RtlMoveMemory(ref MIB_IF_TABLE2.Table[i].OutErrors, Address + (i) * leng + 1312, 8);
RtlMoveMemory(ref MIB_IF_TABLE2.Table[i].OutUcastOctets, Address + (i) * leng + 1320, 8);
RtlMoveMemory(ref MIB_IF_TABLE2.Table[i].OutMulticastOctets, Address + (i) * leng + 1328, 8);
RtlMoveMemory(ref MIB_IF_TABLE2.Table[i].OutBroadcastOctets, Address + (i) * leng + 1336, 8);
RtlMoveMemory(ref MIB_IF_TABLE2.Table[i].OutQLen, Address + (i) * leng + 1344, 8);
}
FreeMibTable(pTable);
return(MIB_IF_TABLE2);
}
