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ThirdParty-6/ParaView-5.0.1/ParaViewCore/ServerManager/Core/vtkSMSession.cxx

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15 KiB
C++

/*=========================================================================
Program: ParaView
Module: $RCSfile$
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 "vtkSMSession.h"
#include "vtkCommand.h"
#include "vtkDebugLeaks.h"
#include "vtkObjectFactory.h"
#include "vtkPVCatalystSessionCore.h"
#include "vtkPVServerInformation.h"
#include "vtkPVSessionCore.h"
#include "vtkProcessModule.h"
#include "vtkProcessModuleAutoMPI.h"
#include "vtkReservedRemoteObjectIds.h"
#include "vtkSMDeserializerProtobuf.h"
#include "vtkSMMessage.h"
#include "vtkSMPluginManager.h"
#include "vtkSMPropertyHelper.h"
#include "vtkSMProxy.h"
#include "vtkSMProxyLocator.h"
#include "vtkSMProxyManager.h"
#include "vtkSMSessionClient.h"
#include "vtkSMSessionProxyManager.h"
#include "vtkSMStateLocator.h"
#include "vtkSMUndoStackBuilder.h"
#include "vtkWeakPointer.h"
#include <sstream>
#include <vtkNew.h>
#include <assert.h>
//----------------------------------------------------------------------------
// STATICS
vtkSmartPointer<vtkProcessModuleAutoMPI> vtkSMSession::AutoMPI =
vtkSmartPointer<vtkProcessModuleAutoMPI>::New();
//----------------------------------------------------------------------------
vtkStandardNewMacro(vtkSMSession);
//----------------------------------------------------------------------------
vtkSMSession* vtkSMSession::New(vtkPVSessionBase *otherSession)
{
return vtkSMSession::New(otherSession->GetSessionCore());
}
//----------------------------------------------------------------------------
vtkSMSession* vtkSMSession::New(vtkPVSessionCore *otherSessionCore)
{
vtkSMSession* session = new vtkSMSession(true, otherSessionCore);
#ifdef VTK_DEBUG_LEAKS
vtkDebugLeaks::ConstructClass("vtkSMSession");
#endif
return session;
}
//----------------------------------------------------------------------------
vtkSMSession::vtkSMSession(bool initialize_during_constructor/*=true*/,
vtkPVSessionCore* preExistingSessionCore/*=NULL*/)
: vtkPVSessionBase(preExistingSessionCore ? preExistingSessionCore : vtkPVSessionCore::New())
{
if(!preExistingSessionCore)
{
this->SessionCore->UnRegister(NULL);
}
this->SessionProxyManager = NULL;
this->StateLocator = vtkSMStateLocator::New();
this->IsAutoMPI = false;
// Create and setup deserializer for the local ProxyLocator
vtkNew<vtkSMDeserializerProtobuf> deserializer;
deserializer->SetStateLocator(this->StateLocator);
// Create and setup proxy locator
this->ProxyLocator = vtkSMProxyLocator::New();
this->ProxyLocator->SetDeserializer(deserializer.GetPointer());
this->ProxyLocator->UseSessionToLocateProxy(true);
// don't set the session on ProxyLocator right now since the
// SessionProxyManager is not setup until Initialize().
// we will initialize it in this->Initialize().
if (initialize_during_constructor)
{
this->Initialize();
}
}
//----------------------------------------------------------------------------
vtkSMSession::~vtkSMSession()
{
if (vtkSMProxyManager::IsInitialized())
{
vtkSMProxyManager::GetProxyManager()->GetPluginManager()->UnRegisterSession(this);
}
this->StateLocator->Delete();
this->ProxyLocator->Delete();
if (this->SessionProxyManager)
{
this->SessionProxyManager->Delete();
this->SessionProxyManager = NULL;
}
}
//----------------------------------------------------------------------------
vtkSMSession::ServerFlags vtkSMSession::GetProcessRoles()
{
if (vtkProcessModule::GetProcessModule() &&
vtkProcessModule::GetProcessModule()->GetPartitionId() > 0 &&
!vtkProcessModule::GetProcessModule()->GetSymmetricMPIMode())
{
return vtkPVSession::SERVERS;
}
return vtkPVSession::CLIENT_AND_SERVERS;
}
//----------------------------------------------------------------------------
void vtkSMSession::PushState(vtkSMMessage* msg)
{
// Manage Undo/Redo if possible
this->UpdateStateHistory(msg);
this->Superclass::PushState(msg);
}
//----------------------------------------------------------------------------
void vtkSMSession::UpdateStateHistory(vtkSMMessage* msg)
{
// check is global-undo-stack builder is set.
vtkSMUndoStackBuilder* usb =
vtkSMProxyManager::GetProxyManager()->GetUndoStackBuilder();
if (usb == NULL ||
(this->GetProcessRoles() & vtkPVSession::CLIENT) == 0)
{
return;
}
vtkTypeUInt32 globalId = msg->global_id();
vtkSMRemoteObject *remoteObj =
vtkSMRemoteObject::SafeDownCast(this->GetRemoteObject(globalId));
if(remoteObj && !remoteObj->IsPrototype() && remoteObj->GetFullState())
{
vtkSMMessage newState;
newState.CopyFrom(*remoteObj->GetFullState());
// Need to provide id/location as the full state may not have them yet
newState.set_global_id(globalId);
newState.set_location(msg->location());
// Store state in cache
vtkSMMessage oldState;
bool createAction = !this->StateLocator->FindState( globalId, &oldState,
/* We want only a local lookup => false */ false );
// This is a filtering Hack, I don't like it. :-(
if (newState.GetExtension(ProxyState::xml_name) != "Camera")
{
this->StateLocator->RegisterState(&newState);
}
// Propagate to undo stack builder if possible
if (createAction)
{
usb->OnCreateObject(this, &newState);
}
else if (oldState.SerializeAsString() != newState.SerializeAsString())
{
// Update
usb->OnStateChange( this, globalId, &oldState, &newState);
}
}
}
//----------------------------------------------------------------------------
void vtkSMSession::Initialize()
{
assert(this->SessionProxyManager == NULL);
// Remember, although vtkSMSession is always only created on the client side,
// in batch mode, vtkSMSession is created on all nodes.
// All these initializations need to be done on all nodes in symmetric-batch
// mode. In non-symmetric-batch mode. Which means we are a CLIENT,
// so if we are not then we stop the initialisation here !
if( !(this->GetProcessRoles() & vtkPVSession::CLIENT) )
{
return;
}
// Initialize the proxy manager.
// this updates proxy definitions if we are connected to a remote server.
this->SessionProxyManager = vtkSMSessionProxyManager::New(this);
this->ProxyLocator->SetSession(this);
// Initialize the plugin manager.
vtkSMProxyManager::GetProxyManager()->GetPluginManager()->RegisterSession(this);
// Setup default mapper parameters.
const char *group = "misc";
const char *name = "GlobalMapperProperties";
// First try and get the prototype, if its NULL then the proxy is not
// available.
vtkSMProxy* prototype =
this->SessionProxyManager->GetPrototypeProxy(group, name);
if (!prototype)
return;
vtkSMProxy* globalMapperProperties =
this->SessionProxyManager->NewProxy(group, name);
if (globalMapperProperties)
{
vtkSMPropertyHelper(globalMapperProperties, "Mode").Set("ShiftZBuffer");
vtkSMPropertyHelper(globalMapperProperties, "ZShift").Set(2.0e-3);
globalMapperProperties->UpdateVTKObjects();
globalMapperProperties->Delete();
}
}
//----------------------------------------------------------------------------
int vtkSMSession::GetNumberOfProcesses(vtkTypeUInt32 servers)
{
(void)servers;
return vtkProcessModule::GetProcessModule()->GetNumberOfLocalPartitions();
}
//----------------------------------------------------------------------------
bool vtkSMSession::IsMPIInitialized(vtkTypeUInt32)
{
return vtkProcessModule::GetProcessModule()->IsMPIInitialized();
}
//----------------------------------------------------------------------------
void vtkSMSession::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
}
//----------------------------------------------------------------------------
void vtkSMSession::Disconnect(vtkSMSession* session)
{
if (!session)
{
return;
}
// Ensure that the session no longer sends state updates to the server-side.
// This is critical to ensure we don't mess up the collaboration state.
session->PreDisconnection();
// Unregister all proxies.
session->GetSessionProxyManager()->UnRegisterProxies();
vtkProcessModule* pm = vtkProcessModule::GetProcessModule();
pm->UnRegisterSession(session);
// Although I'd like to have this check, when Disconnect() is called from
// Python, we have 1 reference that gets cleared with the Python call returns.
//if (session != NULL)
// {
// vtkGenericWarningMacro(
// "vtkSMSession wasn't destroyed after UnRegisterSession. "
// "This indicates a development problem. Please notify the "
// "developers.");
// }
}
//----------------------------------------------------------------------------
void vtkSMSession::Disconnect(vtkIdType sid)
{
vtkProcessModule* pm = vtkProcessModule::GetProcessModule();
vtkWeakPointer<vtkSMSession> session = vtkSMSession::SafeDownCast(pm->GetSession(sid));
if (!session)
{
vtkGenericWarningMacro(
"Failed to locate session " << sid << ". Cannot disconnect.");
return;
}
vtkSMSession::Disconnect(session);
}
//----------------------------------------------------------------------------
vtkIdType vtkSMSession::ConnectToSelf()
{
vtkProcessModule* pm = vtkProcessModule::GetProcessModule();
vtkIdType sid = 0;
if (vtkSMSession::AutoMPI->IsPossible())
{
int port = vtkSMSession::AutoMPI->ConnectToRemoteBuiltInSelf();
if (port > 0)
{
sid = vtkSMSession::ConnectToRemoteInternal("localhost", port, true);
if (sid > 0)
{
return sid;
}
}
vtkGenericWarningMacro(
"Failed to automatically launch 'pvserver' for multi-core support. "
"Defaulting to local session.");
}
vtkSMSession* session = vtkSMSession::New();
sid = pm->RegisterSession(session);
session->Delete();
return sid;
}
//----------------------------------------------------------------------------
vtkIdType vtkSMSession::ConnectToCatalyst()
{
vtkProcessModule* pm = vtkProcessModule::GetProcessModule();
vtkIdType sid = 0;
vtkNew<vtkPVCatalystSessionCore> sessionCore;
vtkSMSession* session = vtkSMSession::New(sessionCore.GetPointer());
sid = pm->RegisterSession(session);
session->Delete();
return sid;
}
//----------------------------------------------------------------------------
vtkIdType vtkSMSession::ConnectToRemote(const char* hostname, int port)
{
return vtkSMSession::ConnectToRemoteInternal(hostname, port, false);
}
//----------------------------------------------------------------------------
vtkIdType vtkSMSession::ConnectToRemoteInternal(
const char* hostname, int port, bool is_auto_mpi)
{
std::ostringstream sname;
sname << "cs://" << hostname << ":" << port;
vtkSMSessionClient* session = vtkSMSessionClient::New();
session->IsAutoMPI = is_auto_mpi;
vtkIdType sid = 0;
if (session->Connect(sname.str().c_str()))
{
vtkProcessModule* pm = vtkProcessModule::GetProcessModule();
sid = pm->RegisterSession(session);
}
session->Delete();
return sid;
}
//----------------------------------------------------------------------------
vtkIdType vtkSMSession::ConnectToRemote(const char* dshost, int dsport,
const char* rshost, int rsport)
{
std::ostringstream sname;
sname << "cdsrs://" << dshost << ":" << dsport << "/"
<< rshost << ":" << rsport;
vtkSMSessionClient* session = vtkSMSessionClient::New();
vtkIdType sid = 0;
if (session->Connect(sname.str().c_str()))
{
vtkProcessModule* pm = vtkProcessModule::GetProcessModule();
sid = pm->RegisterSession(session);
}
session->Delete();
return sid;
}
//----------------------------------------------------------------------------
namespace
{
class vtkTemp
{
public:
bool (*Callback) ();
vtkSMSessionClient* Session;
vtkTemp()
{
this->Callback = NULL;
this->Session = NULL;
}
void OnEvent()
{
if (this->Callback != NULL)
{
bool continue_waiting = (*this->Callback)();
if (!continue_waiting && this->Session )
{
this->Session->SetAbortConnect(true);
}
}
}
};
}
//----------------------------------------------------------------------------
vtkIdType vtkSMSession::ReverseConnectToRemote(int port, bool (*callback)())
{
return vtkSMSession::ReverseConnectToRemote(port, -1, callback);
}
//----------------------------------------------------------------------------
vtkIdType vtkSMSession::ReverseConnectToRemote(
int dsport, int rsport, bool (*callback)())
{
vtkTemp temp;
temp.Callback = callback;
std::ostringstream sname;
if (rsport <= -1)
{
sname << "csrc://localhost:" << dsport;
}
else
{
sname << "cdsrsrc://localhost:" << dsport << "/localhost:"<< rsport;
}
vtkSMSessionClient* session = vtkSMSessionClient::New();
temp.Session = session;
unsigned long id = session->AddObserver(vtkCommand::ProgressEvent,
&temp, &vtkTemp::OnEvent);
vtkIdType sid = 0;
if (session->Connect(sname.str().c_str()))
{
vtkProcessModule* pm = vtkProcessModule::GetProcessModule();
sid = pm->RegisterSession(session);
}
session->RemoveObserver(id);
session->Delete();
return sid;
}
//----------------------------------------------------------------------------
unsigned int vtkSMSession::GetRenderClientMode()
{
if (this->GetIsAutoMPI())
{
return vtkSMSession::RENDERING_SPLIT;
}
if (this->GetController(vtkPVSession::DATA_SERVER_ROOT) !=
this->GetController(vtkPVSession::RENDER_SERVER_ROOT))
{
// when the two controller are different, we have a separate render-server
// and data-server session.
return vtkSMSession::RENDERING_SPLIT;
}
vtkPVServerInformation* server_info = this->GetServerInformation();
if (server_info && server_info->GetNumberOfMachines() > 0)
{
return vtkSMSession::RENDERING_SPLIT;
}
return vtkSMSession::RENDERING_UNIFIED;
}
//----------------------------------------------------------------------------
void vtkSMSession::ProcessNotification(const vtkSMMessage* message)
{
vtkTypeUInt32 id = message->global_id();
// Find the object for whom this message is meant.
vtkSMRemoteObject* remoteObj =
vtkSMRemoteObject::SafeDownCast(this->GetRemoteObject(id));
//cout << "########## Server notification ##########" << endl;
//cout << id << " = " << remoteObj << "(" << (remoteObj?
// remoteObj->GetClassName() : "null") << ")" << endl;
//state.PrintDebugString();
//cout << "###################################################" << endl;
// ProcessingRemoteNotification = true prevent
// "ignore_synchronization" properties to be loaded...
// Therefore camera properties won't be shared
// (I don't understand this comment, but copying it from the original code).
if(remoteObj)
{
bool previousValue = this->StartProcessingRemoteNotification();
remoteObj->EnableLocalPushOnly();
remoteObj->LoadState(message, this->GetProxyLocator());
vtkSMProxy* proxy = vtkSMProxy::SafeDownCast(remoteObj);
if (proxy)
{
proxy->UpdateVTKObjects();
}
remoteObj->DisableLocalPushOnly();
this->StopProcessingRemoteNotification(previousValue);
}
}