src/Plugins/ParaSMESHCorba/vtkParaSMESHCorbaSource.cxx

   1 // Copyright (C) 2010-2015  CEA/DEN, EDF R&D
   2 //
   3 // This library is free software; you can redistribute it and/or
   4 // modify it under the terms of the GNU Lesser General Public
   5 // License as published by the Free Software Foundation; either
   6 // version 2.1 of the License, or (at your option) any later version.
   7 //
   8 // This library is distributed in the hope that it will be useful,
   9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11 // Lesser General Public License for more details.
  12 //
  13 // You should have received a copy of the GNU Lesser General Public
  14 // License along with this library; if not, write to the Free Software
  15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  16 //
  17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  18 //
  19
  20 #include "vtkParaSMESHCorbaSource.h"
  21
  22 #include <SALOME_LifeCycleCORBA.hxx>
  23 #include <SalomeApp_Application.h>
  24
  25 #include "vtkStreamingDemandDrivenPipeline.h"
  26 #include "vtkInformationVector.h"
  27 #include "vtkInformation.h"
  28 #include "vtkMultiBlockDataSet.h"
  29 #include "vtkObjectFactory.h"
  30 #include "vtkUnstructuredGridReader.h"
  31
  32 #include "SMDS_UnstructuredGrid.hxx"
  33 #include "SMESH_Mesh.hh"
  34
  35 vtkStandardNewMacro(vtkParaSMESHCorbaSource);
  36
  37 void *vtkParaSMESHCorbaSource::Orb=0;
  38
  39 //----------------------------------------------
  40 vtkParaSMESHCorbaSource::vtkParaSMESHCorbaSource() {
  41   if(!Orb) {
  42     CORBA::ORB_var *OrbC=new CORBA::ORB_var;
  43     int argc=0;
  44     *OrbC=CORBA::ORB_init(argc,0);
  45     this->Orb=OrbC;
  46   }
  47   this->SetNumberOfInputPorts(0);
  48   this->SetNumberOfOutputPorts(1);
  49 }
  50
  51 //----------------------------------------------
  52 vtkParaSMESHCorbaSource::~vtkParaSMESHCorbaSource() {
  53
  54 }
  55
  56 //----------------------------------------------
  57 const char* vtkParaSMESHCorbaSource::GetIORCorba()
  58 {
  59   return &IOR[0];
  60 }
  61
  62 //----------------------------------------------
  63 void vtkParaSMESHCorbaSource::SetIORCorba(char *ior) {
  64   if(!ior)
  65     return;
  66   if(ior[0]=='\0')
  67     return;
  68   int length=strlen(ior);
  69   IOR.resize(length+1);
  70   vtksys_stl::copy(ior,ior+length+1,&IOR[0]);
  71   this->Modified();
  72 }
  73
  74 //----------------------------------------------
  75 int vtkParaSMESHCorbaSource::ProcessRequest(vtkInformation* request,
  76     vtkInformationVector** inputVector,
  77     vtkInformationVector* outputVector) {
  78   // generate the data
  79   if(request->Has(vtkDemandDrivenPipeline::REQUEST_DATA())) {
  80     return this->RequestData(request, inputVector, outputVector);
  81   }
  82   return this->Superclass::ProcessRequest(request, inputVector, outputVector);
  83 }
  84
  85 //----------------------------------------------
  86 int vtkParaSMESHCorbaSource::FillOutputPortInformation(int vtkNotUsed(port), vtkInformation* info) {
  87   info->Set(vtkDataObject::DATA_TYPE_NAME(), "vtkMultiBlockDataSet");
  88   return 1;
  89 }
  90
  91 //----------------------------------------------
  92 int vtkParaSMESHCorbaSource::RequestData(vtkInformation* request, vtkInformationVector** inInfo, vtkInformationVector* outputVector) {
  93   vtkInformation *outInfo=outputVector->GetInformationObject(0);
  94   vtkMultiBlockDataSet *ret0=vtkMultiBlockDataSet::SafeDownCast(outInfo->Get(vtkDataObject::DATA_OBJECT()));
  95   double reqTS = 0;
  96   if(outInfo->Has(vtkStreamingDemandDrivenPipeline::UPDATE_TIME_STEP()))
  97     reqTS = outInfo->Get(vtkStreamingDemandDrivenPipeline::UPDATE_TIME_STEP());
  98
  99   try {
 100     CORBA::ORB_var *OrbC=(CORBA::ORB_var *)this->Orb;
 101     CORBA::Object_var obj=(*OrbC)->string_to_object(&IOR[0]);
 102     SMESH::SMESH_Mesh_var meshObj = SMESH::SMESH_Mesh::_narrow(obj);
 103     if(!CORBA::is_nil(meshObj)) {
 104       SALOMEDS::TMPFile*  SeqFile = meshObj->GetVtkUgStream();
 105       int aSize = SeqFile->length();
 106       char* buf = (char*)SeqFile->NP_data();
 107       vtkUnstructuredGridReader* aReader = vtkUnstructuredGridReader::New();
 108       aReader->ReadFromInputStringOn();
 109       aReader->SetBinaryInputString(buf, aSize);
 110       aReader->Update();
 111       vtkUnstructuredGrid* ret = vtkUnstructuredGrid::New();
 112       ret->ShallowCopy(aReader->GetOutput());
 113       aReader->Delete();
 114       if(!ret) {
 115         vtkErrorMacro("On smesh object CORBA fetching an error occurs !");
 116         return 0;
 117       }
 118
 119       ret0->SetBlock(0, ret);
 120       ret->Delete();
 121       return 1;
 122     }
 123
 124     vtkErrorMacro("Unrecognized CORBA reference!");
 125   }
 126   catch(CORBA::Exception&) {
 127     vtkErrorMacro("On fetching object error occurs");
 128   }
 129   return 0;
 130 }
 131
 132
 133