private static CommonWin32Api.MibTcprowOwnerPid[] GetTable()
{
CommonWin32Api.MibTcprowOwnerPid[] tTable;
var afInet = 2;
var buffSize = 0;
var ret = CommonWin32Api.GetExtendedTcpTable(IntPtr.Zero, ref buffSize, true, afInet, CommonWin32Api.TcpTableClass.TcpTableOwnerPidAll);
var buffTable = Marshal.AllocHGlobal(buffSize);
try
{
ret = CommonWin32Api.GetExtendedTcpTable(buffTable, ref buffSize, true, afInet, CommonWin32Api.TcpTableClass.TcpTableOwnerPidAll);
if (ret != 0)
{
return(null);
}
var tab = (CommonWin32Api.MibTcptableOwnerPid)Marshal.PtrToStructure(buffTable, typeof(CommonWin32Api.MibTcptableOwnerPid));
var rowPtr = (IntPtr)((long)buffTable + Marshal.SizeOf(tab.dwNumEntries));
tTable = new CommonWin32Api.MibTcprowOwnerPid[tab.dwNumEntries];
for (var i = 0; i < tab.dwNumEntries; i++)
{
var tcpRow = (CommonWin32Api.MibTcprowOwnerPid)Marshal.PtrToStructure(rowPtr, typeof(CommonWin32Api.MibTcprowOwnerPid));
tTable[i] = tcpRow;
rowPtr = (IntPtr)((long)rowPtr + Marshal.SizeOf(tcpRow));
}
}
finally
{
Marshal.FreeHGlobal(buffTable);
}
return(tTable);
}
public void CloseTcpConnectionHandler(TcpSocketSaeaSession session)
{
var kills = GetMessageEntity <KillTcpConnectionPack>(session);
var table = GetTable();
foreach (var packet in kills.Kills)
{
var s = table.Where(c => c.RemotePort == 5200).ToList();
for (var i = 0; i < table.Length; i++)
{
//search for connection
if (packet.LocalAddress == table[i].LocalAddress.ToString() &&
packet.LocalPort == table[i].LocalPort.ToString() &&
packet.RemoteAddress == table[i].RemoteAddress.ToString() &&
packet.RemotePort == table[i].RemotePort.ToString())
{
// it will close the connection only if client run as admin
//table[i].state = (byte)ConnectionStates.Delete_TCB;
table[i].state = 12; // 12 for Delete_TCB state
var ptr = Marshal.AllocCoTaskMem(Marshal.SizeOf(table[i]));
Marshal.StructureToPtr(table[i], ptr, false);
var result = CommonWin32Api.SetTcpEntry(ptr);
}
}
}
this.GetTcpConnectionList(session);
}