/// <summary>
/// Start the session, if possible.
/// </summary>
private void HandleSessionStart()
{
// Check if the KCD has already sent us the end session event.
if (SessionIDTree.ContainsKey(SessionID))
{
HandleSessionTrouble(new Exception("the KCD closed the connection unexpectedly"));
return;
}
// Clear the session ID tree.
SessionIDTree.Clear();
// Show the overlay window.
Overlay = new RunningOverlay();
Overlay.Relink(this);
// Configure the inactivity monitor to timeout about 10 minutes.
InactivityMonitor = MonitorCreator.CreateInstance(MonitorType.GlobalHookMonitor);
InactivityMonitor.MonitorKeyboardEvents = true;
InactivityMonitor.MonitorMouseEvents = true;
InactivityMonitor.Interval = 600000;
InactivityMonitor.Elapsed += delegate(Object sender, ElapsedEventArgs args)
{
KBase.ExecInUI(OnInactivity);
};
InactivityMonitor.Enabled = true;
// Start the session.
Status = VncSessionStatus.Started;
// Notify listeners.
PostLocalVncSessionEvent(true, null);
Kws.OnStateChange(WmStateChange.Transient);
}
/// <summary>
/// Clean up the state when the session has completed to avoid resource
/// leaks. This object CANNOT be reused for another session since some
/// recently cancelled threads may still reference the object and try
/// to modify its state.
/// </summary>
private void Terminate()
{
Status = VncSessionStatus.Completed;
AppVnc.SessionPresentFlag = false;
App.LocalSession = null;
if (Overlay != null)
{
Overlay.Terminate();
Overlay = null;
}
if (TicketQuery != null)
{
TicketQuery.Terminate();
TicketQuery = null;
}
if (Tunnel != null)
{
Tunnel.Terminate();
Tunnel = null;
}
if (TunnelThread != null)
{
TunnelThread.RequestCancellation();
TunnelThread = null;
}
if (MainProcess != null)
{
MainProcess.Terminate();
MainProcess = null;
}
if (DummyProcess != null)
{
DummyProcess.Terminate();
DummyProcess = null;
}
if (Timer != null)
{
Timer.WakeMeUp(-1);
Timer = null;
}
if (InactivityMonitor != null)
{
InactivityMonitor.Enabled = false;
InactivityMonitor.Dispose();
InactivityMonitor = null;
}
}
/// <summary>
/// Request a ticket to the server.
/// </summary>
private void RequestTicket()
{
Status = VncSessionStatus.Ticket;
UInt32 t = ServerSessionFlag ? KAnp.KANP_CMD_VNC_START_TICKET : KAnp.KANP_CMD_VNC_CONNECT_TICKET;
AnpMsg m = Kws.NewKcdCmd(t);
if (!ServerSessionFlag)
{
m.AddUInt64(SessionID);
}
TicketQuery = Kws.PostKcdCmd(m, OnTicketReply);
}
/// <summary>
/// Start the main process.
/// </summary>
private void StartMainProcess()
{
Status = VncSessionStatus.MainProcess;
// Handle server session miscellaneous actions.
if (ServerSessionFlag)
{
// Set the support mode.
SetSupportSessionMode(SupportSessionFlag);
// If a window is being shared (not the desktop), set it
// visible and in foreground.
if (WindowHandle != 0)
{
IntPtr hWnd = new IntPtr(WindowHandle);
if (KSyscalls.IsIconic(hWnd))
{
KSyscalls.ShowWindowAsync(hWnd, (int)KSyscalls.WindowStatus.SW_RESTORE);
}
KSyscalls.SetForegroundWindow(hWnd);
}
}
// Remove any indication of previous server's listening port.
RegistryKey key = null;
try
{
key = KwmReg.GetKwmCURegKey();
key.DeleteValue(m_portRegItem, false);
key.DeleteValue(m_portRegItemWritten, false);
}
finally
{
if (key != null)
{
key.Close();
}
}
// Start the process.
StartProcess(true);
}
/// <summary>
/// Open the tunnel used by the VNC process.
/// </summary>
private void OpenTunnel()
{
Status = VncSessionStatus.Tunnel;
TunnelThread = new VncTunnelThread(this);
TunnelThread.Start();
}
/// <summary>
/// Start the dummy process.
/// </summary>
private void StartDummyProcess()
{
Status = VncSessionStatus.DummyProcess;
StartProcess(false);
}
/// <summary>
/// Clean up the state when the session has completed to avoid resource
/// leaks. This object CANNOT be reused for another session since some
/// recently cancelled threads may still reference the object and try
/// to modify its state.
/// </summary>
private void Terminate()
{
Status = VncSessionStatus.Completed;
AppVnc.SessionPresentFlag = false;
App.LocalSession = null;
if (Overlay != null)
{
Overlay.Terminate();
Overlay = null;
}
if (TicketQuery != null)
{
TicketQuery.Terminate();
TicketQuery = null;
}
if (Tunnel != null)
{
Tunnel.Terminate();
Tunnel = null;
}
if (TunnelThread != null)
{
TunnelThread.RequestCancellation();
TunnelThread = null;
}
if (MainProcess != null)
{
MainProcess.Terminate();
MainProcess = null;
}
if (DummyProcess != null)
{
DummyProcess.Terminate();
DummyProcess = null;
}
if (Timer != null)
{
Timer.WakeMeUp(-1);
Timer = null;
}
if (InactivityMonitor != null)
{
InactivityMonitor.Enabled = false;
InactivityMonitor.Dispose();
InactivityMonitor = null;
}
}
/// <summary>
/// Start the main process.
/// </summary>
private void StartMainProcess()
{
Status = VncSessionStatus.MainProcess;
// Handle server session miscellaneous actions.
if (ServerSessionFlag)
{
// Set the support mode.
SetSupportSessionMode(SupportSessionFlag);
// If a window is being shared (not the desktop), set it
// visible and in foreground.
if (WindowHandle != 0)
{
IntPtr hWnd = new IntPtr(WindowHandle);
if (KSyscalls.IsIconic(hWnd))
KSyscalls.ShowWindowAsync(hWnd, (int)KSyscalls.WindowStatus.SW_RESTORE);
KSyscalls.SetForegroundWindow(hWnd);
}
}
// Remove any indication of previous server's listening port.
RegistryKey key = null;
try
{
key = KwmReg.GetKwmCURegKey();
key.DeleteValue(m_portRegItem, false);
key.DeleteValue(m_portRegItemWritten, false);
}
finally
{
if (key != null) key.Close();
}
// Start the process.
StartProcess(true);
}
/// <summary>
/// Start the dummy process.
/// </summary>
private void StartDummyProcess()
{
Status = VncSessionStatus.DummyProcess;
StartProcess(false);
}
/// <summary>
/// Request a ticket to the server.
/// </summary>
private void RequestTicket()
{
Status = VncSessionStatus.Ticket;
UInt32 t = ServerSessionFlag ? KAnp.KANP_CMD_VNC_START_TICKET : KAnp.KANP_CMD_VNC_CONNECT_TICKET;
AnpMsg m = Kws.NewKcdCmd(t);
if (!ServerSessionFlag) m.AddUInt64(SessionID);
TicketQuery = Kws.PostKcdCmd(m, OnTicketReply);
}
/// <summary>
/// Open the tunnel used by the VNC process.
/// </summary>
private void OpenTunnel()
{
Status = VncSessionStatus.Tunnel;
TunnelThread = new VncTunnelThread(this);
TunnelThread.Start();
}
/// <summary>
/// Start the session, if possible.
/// </summary>
private void HandleSessionStart()
{
// Check if the KCD has already sent us the end session event.
if (SessionIDTree.ContainsKey(SessionID))
{
HandleSessionTrouble(new Exception("the KCD closed the connection unexpectedly"));
return;
}
// Clear the session ID tree.
SessionIDTree.Clear();
// Show the overlay window.
Overlay = new RunningOverlay();
Overlay.Relink(this);
// Configure the inactivity monitor to timeout about 10 minutes.
InactivityMonitor = MonitorCreator.CreateInstance(MonitorType.GlobalHookMonitor);
InactivityMonitor.MonitorKeyboardEvents = true;
InactivityMonitor.MonitorMouseEvents = true;
InactivityMonitor.Interval = 600000;
InactivityMonitor.Elapsed += delegate(Object sender, ElapsedEventArgs args)
{
KBase.ExecInUI(OnInactivity);
};
InactivityMonitor.Enabled = true;
// Start the session.
Status = VncSessionStatus.Started;
// Notify listeners.
PostLocalVncSessionEvent(true, null);
Kws.OnStateChange(WmStateChange.Transient);
}
