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/*=========================================================================
Program: ParaView
Module: vtkPVServerSideAnimationPlayer.cxx
Copyright (c) Kitware, Inc.
All rights reserved.
See Copyright.txt or http://www.paraview.org/HTML/Copyright.html for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
#include "vtkPVServerSideAnimationPlayer.h"
#include "vtkCommand.h"
#include "vtkNew.h"
#include "vtkObjectFactory.h"
#include "vtkPVXMLElement.h"
#include "vtkPVXMLParser.h"
#include "vtkProcessModule.h"
#include "vtkSMPropertyHelper.h"
#include "vtkSMProxyDefinitionManager.h"
#include "vtkSMRenderViewProxy.h"
#include "vtkSMSaveAnimationProxy.h"
#include "vtkSMSession.h"
#include "vtkSMSessionProxyManager.h"
#include "vtkSmartPointer.h"
#include "vtkWeakPointer.h"
#include <cassert>
#include <sstream>
class vtkPVServerSideAnimationPlayerObserver : public vtkCommand
{
public:
static vtkPVServerSideAnimationPlayerObserver* New()
{
return new vtkPVServerSideAnimationPlayerObserver;
}
vtkTypeMacro(vtkPVServerSideAnimationPlayerObserver, vtkCommand);
void SetStateXML(vtkPVXMLElement* xml) { this->StateXML = xml; }
void SetFileName(const std::string& str) { this->FileName = str; }
void SetSession(vtkSMSession* session) { this->Session = session; }
void SetTargetSessionID(vtkIdType id) { this->TargetSessionID = id; }
void Execute(vtkObject* caller, unsigned long eventid, void* calldata) VTK_OVERRIDE
{
assert(vtkProcessModule::SafeDownCast(caller) != NULL);
if (eventid != vtkCommand::ConnectionClosedEvent)
{
return;
}
// Check if the session being cleaned up is indeed the one we were
// observing.
vtkIdType sessionId = *(reinterpret_cast<vtkIdType*>(calldata));
if (sessionId <= 0 || sessionId != this->TargetSessionID)
{
return;
}
this->TargetSessionID = -1;
this->SaveAnimation();
// We no longer need to handle any events.
caller->RemoveObserver(this);
}
protected:
vtkPVServerSideAnimationPlayerObserver()
: TargetSessionID(-1)
{
}
~vtkPVServerSideAnimationPlayerObserver() {}
void SaveAnimation()
{
assert(!this->FileName.empty() && this->StateXML != NULL && this->Session != NULL);
// Switch process type to Batch mode
vtkProcessModule* pm = vtkProcessModule::GetProcessModule();
assert(pm->GetPartitionId() == 0);
pm->UpdateProcessType(vtkProcessModule::PROCESS_BATCH, false);
// Make sure our internal session will be used across rendering calls and
// proxy management
vtkIdType tmpSessionID = pm->RegisterSession(this->Session);
this->Session->Activate();
// Update our local SessionProxyManager state
vtkSMSessionProxyManager* spxm = this->Session->GetSessionProxyManager();
spxm->LoadXMLState(this->StateXML);
// FIXME:
// Mark all views so that they render offscreen.
// BUG #10159.
// Write any animations.
if (vtkSMSaveAnimationProxy* options =
vtkSMSaveAnimationProxy::SafeDownCast(spxm->FindProxy("misc", "misc", "SaveAnimation")))
{
vtkSMPropertyHelper(options, "DisconnectAndSave").Set(0);
options->WriteAnimation(this->FileName.c_str());
}
// Disconnect our session from process module
this->Session->DeActivate();
pm->UnRegisterSession(tmpSessionID);
spxm->UnRegisterProxies();
}
private:
std::string FileName;
vtkSmartPointer<vtkPVXMLElement> StateXML;
vtkSmartPointer<vtkSMSession> Session;
vtkIdType TargetSessionID;
};
//****************************************************************************
vtkStandardNewMacro(vtkPVServerSideAnimationPlayer);
//----------------------------------------------------------------------------
vtkPVServerSideAnimationPlayer::vtkPVServerSideAnimationPlayer()
: SessionProxyManagerState(NULL)
, FileName(NULL)
{
}
//----------------------------------------------------------------------------
vtkPVServerSideAnimationPlayer::~vtkPVServerSideAnimationPlayer()
{
this->SetSessionProxyManagerState(NULL);
this->SetFileName(NULL);
}
//----------------------------------------------------------------------------
void vtkPVServerSideAnimationPlayer::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
}
//----------------------------------------------------------------------------
void vtkPVServerSideAnimationPlayer::Activate()
{
if (!this->SessionProxyManagerState)
{
vtkErrorMacro("No `SessionProxyManagerState` specified.");
return;
}
if (!this->FileName)
{
vtkErrorMacro("No `FileName` specified.");
return;
}
vtkSmartPointer<vtkPVXMLElement> pxmState =
vtkPVXMLParser::ParseXML(this->SessionProxyManagerState);
if (!pxmState)
{
vtkErrorMacro("Failed to parse `SessionProxyManagerState`.");
return;
}
vtkProcessModule* pm = vtkProcessModule::GetProcessModule();
assert(pm != NULL);
if (pm->GetPartitionId() == 0)
{
vtkNew<vtkPVServerSideAnimationPlayerObserver> observer;
observer->SetStateXML(pxmState);
observer->SetFileName(this->FileName);
// Root node: monitor the process module till when the active session gets
// disconnected.
vtkPVSessionBase* serverSession = vtkPVSessionBase::SafeDownCast(pm->GetActiveSession());
observer->SetTargetSessionID(pm->GetSessionID(serverSession));
assert("Server session were found" && serverSession);
// Create a new session that re-uses the existing session's parallel
// communication infrastructure.
vtkSmartPointer<vtkSMSession> session;
session.TakeReference(vtkSMSession::New(serverSession));
observer->SetSession(session);
// Make sure the proxy definition manager will use the proper session core
// Only for Root node, satellites don't have SessionProxyManager
if (session->GetSessionProxyManager())
{
vtkSmartPointer<vtkSMProxyDefinitionManager> definitionManager;
definitionManager = session->GetSessionProxyManager()->GetProxyDefinitionManager();
definitionManager->SetSession(
NULL); // This will force the session to be properly set later on
definitionManager->SetSession(session.GetPointer());
// Attach to unregister event, so that when the "active" session is unregistered, we can
// do the cleanup.
pm->AddObserver(vtkCommand::ConnectionClosedEvent, observer.Get());
}
}
else
{
// Satellite
pm->UpdateProcessType(vtkProcessModule::PROCESS_BATCH, false);
}
}
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