private IPAddress GetClientIPAddress()
{
var clientAddress = NativeMethodsHelper.QuerySessionInformationForStruct <WTS_CLIENT_ADDRESS>(
_server.Handle, _sessionId, WTS_INFO_CLASS.WTSClientAddress);
return(NativeMethodsHelper.ExtractIPAddress(clientAddress.AddressFamily, clientAddress.Address));
}
private IClientDisplay GetClientDisplay()
{
var clientDisplay = NativeMethodsHelper.QuerySessionInformationForStruct <WTS_CLIENT_DISPLAY>(
_server.Handle, _sessionId, WTS_INFO_CLASS.WTSClientDisplay);
return(new ClientDisplay(clientDisplay));
}
private IPAddress GetSessionIPAddress()
{
var sessionAddress =
NativeMethodsHelper.QuerySessionInformationForStruct <WTS_SESSION_ADDRESS>(_server.Handle, _sessionId,
WTS_INFO_CLASS.WTSSessionAddressV4);
return(NativeMethodsHelper.ExtractIPAddress(sessionAddress.AddressFamily, sessionAddress.Address));
}
private IPAddress GetClientIPAddress()
{
WTS_CLIENT_ADDRESS clientAddress =
NativeMethodsHelper.QuerySessionInformationForStruct <WTS_CLIENT_ADDRESS>(_server.Handle, _sessionId,
WTS_INFO_CLASS.WTSClientAddress);
AddressFamily addressFamily = (AddressFamily)clientAddress.AddressFamily;
if (addressFamily == AddressFamily.InterNetwork)
{
byte[] address = new byte[4];
Array.Copy(clientAddress.Address, 2, address, 0, 4);
return(new IPAddress(address));
}
// TODO: support IPv6
return(null);
}
public TerminalServicesSession(ITerminalServer server, int sessionId, string windowStationName,
ConnectionState connectionState)
{
_server = server;
_sessionId = sessionId;
_windowStationName = windowStationName;
_connectionState = connectionState;
_clientBuildNumber = new LazyLoadedProperty <int>(GetClientBuildNumber);
_clientIPAddress = new LazyLoadedProperty <IPAddress>(GetClientIPAddress);
_clientDisplay = new LazyLoadedProperty <IClientDisplay>(GetClientDisplay);
_clientName =
NativeMethodsHelper.QuerySessionInformationForString(_server.Handle, _sessionId,
WTS_INFO_CLASS.WTSClientName);
// TODO: MSDN says most of these properties should be null for the console session.
// I haven't observed this in practice on Windows Server 2000, 2003, or 2008, but perhaps this
// should be considered.
if (Environment.OSVersion.Version >= new Version(6, 0))
{
// We can actually use documented APIs in Vista / Windows Server 2008+.
WTSINFO info =
NativeMethodsHelper.QuerySessionInformationForStruct <WTSINFO>(server.Handle, _sessionId,
WTS_INFO_CLASS.WTSSessionInfo);
_connectTime = NativeMethodsHelper.FileTimeToDateTime(info.ConnectTime);
_currentTime = NativeMethodsHelper.FileTimeToDateTime(info.CurrentTime);
_disconnectTime = NativeMethodsHelper.FileTimeToDateTime(info.DisconnectTime);
_lastInputTime = NativeMethodsHelper.FileTimeToDateTime(info.LastInputTime);
_loginTime = NativeMethodsHelper.FileTimeToDateTime(info.LogonTime);
_userName = info.UserName;
_domainName = info.Domain;
}
else
{
WINSTATIONINFORMATIONW wsInfo = NativeMethodsHelper.GetWinStationInformation(server.Handle, _sessionId);
_connectTime = NativeMethodsHelper.FileTimeToDateTime(wsInfo.ConnectTime);
_currentTime = NativeMethodsHelper.FileTimeToDateTime(wsInfo.CurrentTime);
_disconnectTime = NativeMethodsHelper.FileTimeToDateTime(wsInfo.DisconnectTime);
_lastInputTime = NativeMethodsHelper.FileTimeToDateTime(wsInfo.LastInputTime);
_loginTime = NativeMethodsHelper.FileTimeToDateTime(wsInfo.LoginTime);
_userName =
NativeMethodsHelper.QuerySessionInformationForString(server.Handle, _sessionId,
WTS_INFO_CLASS.WTSUserName);
_domainName =
NativeMethodsHelper.QuerySessionInformationForString(server.Handle, _sessionId,
WTS_INFO_CLASS.WTSDomainName);
}
}
private void LoadWtsInfoProperties()
{
var info = NativeMethodsHelper.QuerySessionInformationForStruct <WTSINFO>(_server.Handle, _sessionId,
WTS_INFO_CLASS.WTSSessionInfo);
_connectionState.Value = info.State;
_incomingStatistics.Value = new ProtocolStatistics(info.IncomingBytes, info.IncomingFrames,
info.IncomingCompressedBytes);
_outgoingStatistics.Value = new ProtocolStatistics(info.OutgoingBytes, info.OutgoingFrames,
info.OutgoingCompressedBytes);
_windowStationName.Value = info.WinStationName;
_domainName.Value = info.Domain;
_userName.Value = info.UserName;
_connectTime.Value = NativeMethodsHelper.FileTimeToDateTime(info.ConnectTime);
_disconnectTime.Value = NativeMethodsHelper.FileTimeToDateTime(info.DisconnectTime);
_lastInputTime.Value = NativeMethodsHelper.FileTimeToDateTime(info.LastInputTime);
_loginTime.Value = NativeMethodsHelper.FileTimeToDateTime(info.LogonTime);
_currentTime.Value = NativeMethodsHelper.FileTimeToDateTime(info.CurrentTime);
}