private static int GetPIDForConn(int iTargetPort, uint iAddressType, TcpClientIDNative.TcpTableType whichTable)
{
IntPtr intPtr = IntPtr.Zero;
uint num = 32768u;
try
{
intPtr = Marshal.AllocHGlobal(32768);
uint extendedTcpTable = TcpClientIDNative.NativeMethods.GetExtendedTcpTable(intPtr, ref num, false, iAddressType, whichTable, 0u);
while (122u == extendedTcpTable)
{
Marshal.FreeHGlobal(intPtr);
num += 2048u;
intPtr = Marshal.AllocHGlobal((int)num);
extendedTcpTable = TcpClientIDNative.NativeMethods.GetExtendedTcpTable(intPtr, ref num, false, iAddressType, whichTable, 0u);
}
if (extendedTcpTable != 0u)
{
int result = 0;
return(result);
}
int num2;
int ofs;
int num3;
if (iAddressType == 2u)
{
num2 = 12;
ofs = 12;
num3 = 24;
}
else
{
num2 = 24;
ofs = 32;
num3 = 56;
}
int num4 = ((iTargetPort & 255) << 8) + ((iTargetPort & 65280) >> 8);
int num5 = Marshal.ReadInt32(intPtr);
if (num5 == 0)
{
int result = 0;
return(result);
}
IntPtr intPtr2 = (IntPtr)((long)intPtr + (long)num2);
for (int i = 0; i < num5; i++)
{
if (num4 == Marshal.ReadInt32(intPtr2))
{
int result = Marshal.ReadInt32(intPtr2, ofs);
return(result);
}
intPtr2 = (IntPtr)((long)intPtr2 + (long)num3);
}
}
finally
{
Marshal.FreeHGlobal(intPtr);
}
return(0);
}
public static extern uint GetExtendedTcpTable(IntPtr pTcpTable, ref uint dwTcpTableLength, [MarshalAs(UnmanagedType.Bool)] bool sort, uint ipVersion, TcpClientIDNative.TcpTableType tcpTableType, uint reserved);
