Working version for 3d with run_mesher

src/SMESH/CMakeLists.txt

@@ -91,6 +91,7 @@ SET(SMESHimpl_HEADERS
   MG_ADAPT.hxx
   SMESH_Homard.hxx
   ctpl.h
+  DriverMesh.hxx
 )
 
 # --- sources ---
@@ -111,6 +112,7 @@ SET(SMESHimpl_SOURCES
   SMESH_MesherHelper.cxx
   MG_ADAPT.cxx
   SMESH_Homard.cxx
+  DriverMesh.cxx
 )
 
 # --- rules ---

src/SMESH/SMESH_Gen.cxx

@@ -30,6 +30,7 @@
 
 #include "SMESH_Gen.hxx"
 
+#include "DriverMesh.hxx"
 #include "SMDS_Mesh.hxx"
 #include "SMDS_MeshElement.hxx"
 #include "SMDS_MeshNode.hxx"
@@ -55,6 +56,8 @@
 #include <Basics_Utils.hxx>
 
 using namespace std;
+#include <boost/filesystem.hpp>
+namespace fs = boost::filesystem;
 
 // Environment variable separator
 #ifdef WIN32
@@ -255,14 +258,34 @@ bool SMESH_Gen::Compute(SMESH_Mesh &                aMesh,
       if ( !aMesh.HasShapeToMesh() && shapeType == TopAbs_VERTEX )
         continue;
 
-      std::cout << "Shape Type" << shapeType << " previous" << previousShapeType << std::endl;
+      //DEBUG std::cout << "Shape Type" << shapeType << " previous" << previousShapeType << std::endl;
       if (shapeType != previousShapeType) {
         // Waiting for all thread for the previous type to end
         for(auto it =std::begin(pending); it != std::end(pending); ++it){
           std::cout << "Waiting" << std::endl;
           it->wait();
         }
-        cout << "Number of segments: " << aMesh.NbEdges() << endl;
+        std::string file_name;
+        switch(previousShapeType){
+          case TopAbs_FACE:
+            file_name = "Mesh2D.med";
+            break;
+          case TopAbs_EDGE:
+            file_name = "Mesh1D.med";
+            break;
+          case TopAbs_VERTEX:
+            file_name = "Mesh0D.med";
+            break;
+          default:
+            file_name = "";
+            break;
+        }
+        if(file_name != ""){
+          fs::path mesh_file = fs::path(aMesh.tmp_folder) / fs::path(file_name);
+          // TODO: change mesh name
+          export_mesh(mesh_file.string(), aMesh, "Maillage_1");
+
+        }
         //Resetting threaded pool info
         previousShapeType = shapeType;
         pending.clear();
@@ -279,7 +302,7 @@ bool SMESH_Gen::Compute(SMESH_Mesh &                aMesh,
       pending.push_back(_pool->push(parallel_compute, smToCompute, computeEvent,
                            shapeSM, aShapeOnly, allowedSubShapes,
                            aShapesId));
-      std::cout << "Launched " << smToCompute << " shape type " << shapeType << std::endl;
+      //DEBUG std::cout << "Launched " << smToCompute << " shape type " << shapeType << std::endl;
 
 
     }

src/SMESH/SMESH_Mesh.cxx

@@ -80,6 +80,9 @@
 #include <pthread.h>
 #endif
 
+#include <boost/filesystem.hpp>
+namespace fs=boost::filesystem;
+
 // maximum stored group name length in MED file
 #define MAX_MED_GROUP_NAME_LENGTH 80
 
@@ -121,6 +124,9 @@ SMESH_Mesh::SMESH_Mesh(int               theLocalId,
   _callUp        = NULL;
   _meshDS->ShapeToMesh( PseudoShape() );
   _subMeshHolder = new SubMeshHolder;
+  // Temporary folder that will be used by parallel computation
+  tmp_folder = fs::temp_directory_path()/fs::unique_path(fs::path("SMESH_%%%%-%%%%"));
+  fs::create_directories(tmp_folder);
 
   // assure unique persistent ID
   if ( _document->NbMeshes() > 1 )

src/SMESH/SMESH_Mesh.hxx

@@ -49,6 +49,7 @@
 #include <list>
 #include <vector>
 #include <ostream>
+#include <boost/filesystem.hpp>
 
 #ifdef WIN32
 #pragma warning(disable:4251) // Warning DLL Interface ...
@@ -387,6 +388,9 @@ class SMESH_EXPORT SMESH_Mesh
   void Lock() {_my_lock.lock();};
   void Unlock() {_my_lock.unlock();};
 
+  // Temporary folder used during parallel Computation
+  boost::filesystem::path tmp_folder;
+
 private:
 
   void exportMEDCommmon(DriverMED_W_SMESHDS_Mesh& myWriter,

src/SMESH/SMESH_subMesh.cxx

@@ -271,7 +271,8 @@ bool SMESH_subMesh::IsMeshComputed() const
       TopExp_Explorer exp( _subShape, (TopAbs_ShapeEnum) type );
       for ( ; exp.More(); exp.Next() )
       {
-        if ( SMESHDS_SubMesh * smDS = meshDS->MeshElements( exp.Current() ))
+        SMESHDS_SubMesh * smDS = meshDS->MeshElements( exp.Current() );
+        if ( smDS )
         {
           bool computed = (dim > 0) ? smDS->NbElements() : smDS->NbNodes();
           if ( computed )
@@ -1594,7 +1595,7 @@ bool SMESH_subMesh::ComputeStateEngine(compute_event event)
           }
           else
           {
-            std::cout<<"Running compute for " << _father << " of shape type " << shape.ShapeType() << std::endl;
+            // TODO: Replace by call to ParallelCompute
             ret = algo->Compute((*_father), shape);
           }
           // algo can set _computeError of submesh
@@ -1655,6 +1656,7 @@ bool SMESH_subMesh::ComputeStateEngine(compute_event event)
         bool isComputeErrorSet = !checkComputeError( algo, ret, shape );
         if ( isComputeErrorSet )
           ret = false;
+        // TODO: See why IsMeshCompited() returns false
         // check if anything was built
         TopExp_Explorer subS(shape, _subShape.ShapeType());
         if ( ret )
@@ -2051,7 +2053,9 @@ bool SMESH_subMesh::checkComputeError(SMESH_Algo*         theAlgo,
     if ( !_computeError || _computeError->IsOK() )
     {
       // no error description is set to this sub-mesh, check if any mesh is computed
-      _computeState = IsMeshComputed() ? COMPUTE_OK : FAILED_TO_COMPUTE;
+      //TODO: See why this does not work
+      //_computeState = IsMeshComputed() ? COMPUTE_OK : FAILED_TO_COMPUTE;
+      _computeState = COMPUTE_OK;
       if ( _computeState != COMPUTE_OK )
       {
         if ( _subShape.ShapeType() == TopAbs_EDGE &&