private void CloseServer(IntPtr ServerHandle)
{
Wts.WTSCloseServer(ServerHandle);
}
public void GetInfo(String ServerName)
{
IntPtr serverHandle = IntPtr.Zero;
serverHandle = OpenServer(ServerName);
try
{
IntPtr SessionInfoPtr = IntPtr.Zero;
Int32 sessionCount = 0;
Int32 retVal = Wts.WTSEnumerateSessions(serverHandle, 0, 1, ref SessionInfoPtr, ref sessionCount);
Int32 dataSize = Marshal.SizeOf(typeof(SessionInfo));
Int32 currentSession = (int)SessionInfoPtr;
uint bytes = 0;
if (retVal != 0)
{
for (int i = 0; i < sessionCount; i++)
{
IntPtr userPtr = IntPtr.Zero;
IntPtr domainPtr = IntPtr.Zero;
var si = (SessionInfo)Marshal.PtrToStructure((System.IntPtr)currentSession, typeof(SessionInfo));
currentSession += dataSize;
Wts.WTSQuerySessionInformation(serverHandle, si.SessionID, WtsInfo.WTSUserName, out userPtr, out bytes);
Wts.WTSQuerySessionInformation(serverHandle, si.SessionID, WtsInfo.WTSDomainName, out domainPtr, out bytes);
if (si.State == WtsConnectionState.WTSActive)
{
var username = Marshal.PtrToStringAnsi(userPtr);
var domain = Marshal.PtrToStringAnsi(domainPtr);
_action = " has entered";
notificationEvent(new SlackNotificationEvent(username, domain, _action, SlackStatus.Good));
while (true)
{
IntPtr state = IntPtr.Zero;
Wts.WTSQuerySessionInformation(serverHandle, si.SessionID, WtsInfo.WTSConnectState, out state, out bytes);
var status = Marshal.ReadInt32(state);
if ((WtsConnectionState)status != WtsConnectionState.WTSActive)
{
_action = " has left";
notificationEvent(new SlackNotificationEvent(username, domain, _action, SlackStatus.Danger));
Wts.WTSFreeMemory(state);
break;
}
Thread.Sleep(500);
Wts.WTSFreeMemory(state);
}
}
Wts.WTSFreeMemory(userPtr);
Wts.WTSFreeMemory(domainPtr);
}
Wts.WTSFreeMemory(SessionInfoPtr);
}
}
finally
{
CloseServer(serverHandle);
}
}
private IntPtr OpenServer(String Name)
{
IntPtr server = Wts.WTSOpenServer(Name);
return(server);
}
