-// Copyright (C) 2007-2021 CEA/DEN, EDF R&D, OPEN CASCADE
+// Copyright (C) 2007-2024 CEA, EDF, OPEN CASCADE
//
// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
// Author : Paul RASCLE, EDF
// Module : SMESH
//
-
//#define CHRONODEF
-
+//
#include "SMESH_Gen.hxx"
+#include "SMESH_DriverMesh.hxx"
#include "SMDS_Mesh.hxx"
#include "SMDS_MeshElement.hxx"
#include "SMDS_MeshNode.hxx"
#include "SMESHDS_Document.hxx"
#include "SMESH_HypoFilter.hxx"
#include "SMESH_Mesh.hxx"
+#include "SMESH_SequentialMesh.hxx"
+#include "SMESH_ParallelMesh.hxx"
#include "SMESH_MesherHelper.hxx"
#include "SMESH_subMesh.hxx"
#include <TopoDS_Iterator.hxx>
#include "memoire.h"
+#include <functional>
+
+#include <QString>
+#include <QProcess>
#ifdef WIN32
#include <windows.h>
#include <Basics_Utils.hxx>
+#ifndef WIN32
+#include <boost/asio.hpp>
+#endif
+
using namespace std;
+#ifndef WIN32
+#include <boost/filesystem.hpp>
+namespace fs = boost::filesystem;
+#endif
// Environment variable separator
#ifdef WIN32
Unexpect aCatch(SalomeException);
// create a new SMESH_mesh object
- SMESH_Mesh *aMesh = new SMESH_Mesh(_localId++,
+ SMESH_Mesh *aMesh = new SMESH_SequentialMesh(
+ _localId++,
this,
theIsEmbeddedMode,
_studyContext->myDocument);
return aMesh;
}
+//=============================================================================
+/*!
+ * Creates a parallel mesh in a study.
+ * if (theIsEmbeddedMode) { mesh modification commands are not logged }
+ */
+//=============================================================================
+
+SMESH_ParallelMesh* SMESH_Gen::CreateParallelMesh(bool theIsEmbeddedMode)
+{
+ Unexpect aCatch(SalomeException);
+
+ // create a new SMESH_mesh object
+ SMESH_ParallelMesh *aMesh = new SMESH_ParallelMesh(
+ _localId++,
+ this,
+ theIsEmbeddedMode,
+ _studyContext->myDocument);
+ _studyContext->mapMesh[_localId-1] = aMesh;
+
+ return aMesh;
+}
+
+//=============================================================================
+/*!
+ * Algo to run the computation of all the submeshes of a mesh in sequentila
+ */
+//=============================================================================
+
+bool SMESH_Gen::sequentialComputeSubMeshes(
+ SMESH_Mesh & aMesh,
+ const TopoDS_Shape & aShape,
+ const ::MeshDimension aDim,
+ TSetOfInt* aShapesId /*=0*/,
+ TopTools_IndexedMapOfShape* allowedSubShapes,
+ SMESH_subMesh::compute_event &computeEvent,
+ const bool includeSelf,
+ const bool complexShapeFirst,
+ const bool aShapeOnly)
+{
+ MESSAGE("Sequential Compute of submeshes");
+
+ bool ret = true;
+
+ SMESH_subMeshIteratorPtr smIt;
+ SMESH_subMesh *shapeSM = aMesh.GetSubMesh(aShape);
+
+ smIt = shapeSM->getDependsOnIterator(includeSelf, !complexShapeFirst);
+ while ( smIt->more() )
+ {
+ SMESH_subMesh* smToCompute = smIt->next();
+
+ // do not mesh vertices of a pseudo shape
+ const TopoDS_Shape& shape = smToCompute->GetSubShape();
+ const TopAbs_ShapeEnum shapeType = shape.ShapeType();
+ if ( !aMesh.HasShapeToMesh() && shapeType == TopAbs_VERTEX )
+ continue;
+
+ // check for preview dimension limitations
+ if ( aShapesId && SMESH_Gen::GetShapeDim( shapeType ) > (int)aDim )
+ {
+ // clear compute state not to show previous compute errors
+ // if preview invoked less dimension less than previous
+ smToCompute->ComputeStateEngine( SMESH_subMesh::CHECK_COMPUTE_STATE );
+ continue;
+ }
+
+ if (smToCompute->GetComputeState() == SMESH_subMesh::READY_TO_COMPUTE)
+ {
+ if (_compute_canceled)
+ return false;
+ smToCompute->SetAllowedSubShapes( fillAllowed( shapeSM, aShapeOnly, allowedSubShapes ));
+ setCurrentSubMesh( smToCompute );
+ smToCompute->ComputeStateEngine( computeEvent );
+ setCurrentSubMesh( nullptr );
+ smToCompute->SetAllowedSubShapes( nullptr );
+ }
+
+ // we check all the sub-meshes here and detect if any of them failed to compute
+ if (smToCompute->GetComputeState() == SMESH_subMesh::FAILED_TO_COMPUTE &&
+ ( shapeType != TopAbs_EDGE || !SMESH_Algo::isDegenerated( TopoDS::Edge( shape ))))
+ ret = false;
+ else if ( aShapesId )
+ aShapesId->insert( smToCompute->GetId() );
+ }
+ //aMesh.GetMeshDS()->Modified();
+ return ret;
+
+};
+
+//=============================================================================
+/*
+ * compute of a submesh
+ * This function is passed to the thread pool
+ */
+//=============================================================================
+const std::function<void(SMESH_subMesh*,
+ SMESH_subMesh::compute_event,
+ SMESH_subMesh*,
+ bool,
+ TopTools_IndexedMapOfShape *,
+ TSetOfInt*)>
+ compute_function([] (SMESH_subMesh* sm,
+ SMESH_subMesh::compute_event event,
+ SMESH_subMesh *shapeSM,
+ bool aShapeOnly,
+ TopTools_IndexedMapOfShape *allowedSubShapes,
+ TSetOfInt* aShapesId) -> void
+{
+ if (sm->GetComputeState() == SMESH_subMesh::READY_TO_COMPUTE)
+ {
+ sm->SetAllowedSubShapes( fillAllowed( shapeSM, aShapeOnly, allowedSubShapes ));
+ //setCurrentSubMesh( sm );
+ sm->ComputeStateEngine(event);
+ //setCurrentSubMesh( nullptr );
+ sm->SetAllowedSubShapes( nullptr );
+ }
+
+ if ( aShapesId )
+ aShapesId->insert( sm->GetId() );
+
+});
+
+
+//=============================================================================
+/*
+ * Copy a file on remote resource
+ */
+//=============================================================================
+
+void SMESH_Gen::send_mesh(SMESH_Mesh& aMesh, std::string file_name)
+{
+#ifndef WIN32
+ SMESH_ParallelMesh& aParMesh = dynamic_cast<SMESH_ParallelMesh&>(aMesh);
+ // Calling run_mesher
+ // Path to mesher script
+ fs::path send_files = fs::path(std::getenv("SMESH_ROOT_DIR"))/
+ fs::path("bin")/
+ fs::path("salome")/
+ fs::path("send_files.py");
+
+ std::string s_program="python3";
+ std::list<std::string> params;
+ params.push_back(send_files.string());
+ params.push_back(file_name);
+ params.push_back("--resource="+aParMesh.GetResource());
+
+ // log file
+ fs::path log_file=aParMesh.GetTmpFolder() / fs::path("copy.log");
+ QString out_file = log_file.string().c_str();
+
+ // Building arguments for QProcess
+ QString program = QString::fromStdString(s_program);
+ QStringList arguments;
+ for(auto arg : params){
+ arguments << arg.c_str();
+ }
+
+ std::string cmd = "";
+ cmd += s_program;
+ for(auto arg: params){
+ cmd += " " + arg;
+ }
+ MESSAGE("Send files command: ");
+ MESSAGE(cmd);
+
+ QProcess myProcess;
+ myProcess.setProcessChannelMode(QProcess::MergedChannels);
+ myProcess.setStandardOutputFile(out_file);
+
+ myProcess.start(program, arguments);
+ // Waiting for process to finish (argument -1 make it wait until the end of
+ // the process otherwise it just waits 30 seconds)
+ bool finished = myProcess.waitForFinished(-1);
+ int ret = myProcess.exitCode();
+
+ if(ret != 0 || !finished){
+ // Run crahed
+ std::string msg = "Issue with send_files: \n";
+ msg += "See log for more details: " + log_file.string() + "\n";
+ msg += cmd + "\n";
+ throw SALOME_Exception(msg);
+ }
+#endif
+}
+
+//=============================================================================
+/*!
+ * Algo to run the computation of all the submeshes of a mesh in parallel
+ */
+//=============================================================================
+
+bool SMESH_Gen::parallelComputeSubMeshes(
+ SMESH_Mesh & aMesh,
+ const TopoDS_Shape & aShape,
+ const ::MeshDimension aDim,
+ TSetOfInt* aShapesId /*=0*/,
+ TopTools_IndexedMapOfShape* allowedSubShapes,
+ SMESH_subMesh::compute_event &computeEvent,
+ const bool includeSelf,
+ const bool complexShapeFirst,
+ const bool aShapeOnly)
+{
+#ifdef WIN32
+ throw SALOME_Exception("ParallelMesh is not working on Windows");
+#else
+
+ bool ret = true;
+
+ SMESH_subMeshIteratorPtr smIt;
+ SMESH_subMesh *shapeSM = aMesh.GetSubMesh(aShape);
+ SMESH_ParallelMesh &aParMesh = dynamic_cast<SMESH_ParallelMesh&>(aMesh);
+
+ TopAbs_ShapeEnum previousShapeType = TopAbs_VERTEX;
+ MESSAGE("Parallel Compute of submeshes");
+
+
+ smIt = shapeSM->getDependsOnIterator(includeSelf, !complexShapeFirst);
+ while ( smIt->more() )
+ {
+ SMESH_subMesh* smToCompute = smIt->next();
+
+ // do not mesh vertices of a pseudo shape
+ const TopoDS_Shape& shape = smToCompute->GetSubShape();
+ const TopAbs_ShapeEnum shapeType = shape.ShapeType();
+ // Not doing in parallel 1D meshes
+ if ( !aMesh.HasShapeToMesh() && shapeType == TopAbs_VERTEX )
+ continue;
+
+ if (shapeType != previousShapeType) {
+ // Waiting for all threads for the previous type to end
+ aMesh.wait();
+
+ std::string file_name="";
+ if (previousShapeType == aParMesh.GetDumpElement())
+ file_name = "Mesh"+std::to_string(aParMesh.GetParallelismDimension()-1)+"D.med";
+
+ if(file_name != "")
+ {
+ fs::path mesh_file = fs::path(aParMesh.GetTmpFolder()) / fs::path(file_name);
+ SMESH_DriverMesh::exportMesh(mesh_file.string(), aMesh, "MESH");
+ if (aParMesh.GetParallelismMethod() == ParallelismMethod::MultiNode) {
+ this->send_mesh(aMesh, mesh_file.string());
+ }
+ }
+ //Resetting threaded pool info
+ previousShapeType = shapeType;
+ }
+
+ // check for preview dimension limitations
+ if ( aShapesId && SMESH_Gen::GetShapeDim( shapeType ) > (int)aDim )
+ {
+ // clear compute state not to show previous compute errors
+ // if preview invoked less dimension less than previous
+ smToCompute->ComputeStateEngine( SMESH_subMesh::CHECK_COMPUTE_STATE );
+ continue;
+ }
+ // Parallelism is only for 3D parts
+ if(shapeType!=aMesh.GetParallelElement()){
+ compute_function(smToCompute, computeEvent,
+ shapeSM, aShapeOnly, allowedSubShapes,
+ aShapesId);
+ }else{
+ boost::asio::post(*(aParMesh.GetPool()), std::bind(compute_function, smToCompute, computeEvent,
+ shapeSM, aShapeOnly, allowedSubShapes,
+ aShapesId));
+ }
+ }
+
+ // Waiting for the thread for Solids to finish
+ aMesh.wait();
+
+ aMesh.GetMeshDS()->Modified();
+
+ // Cleanup done here as in Python the destructor is not called
+ aParMesh.cleanup();
+
+ return ret;
+#endif
+};
+
//=============================================================================
/*
* Compute a mesh
// ===============================================
// Mesh all the sub-shapes starting from vertices
// ===============================================
+ ret = aMesh.ComputeSubMeshes(
+ this,
+ aMesh, aShape, aDim,
+ aShapesId, allowedSubShapes,
+ computeEvent,
+ includeSelf,
+ complexShapeFirst,
+ aShapeOnly);
- smIt = shapeSM->getDependsOnIterator(includeSelf, !complexShapeFirst);
- while ( smIt->more() )
- {
- SMESH_subMesh* smToCompute = smIt->next();
-
- // do not mesh vertices of a pseudo shape
- const TopoDS_Shape& shape = smToCompute->GetSubShape();
- const TopAbs_ShapeEnum shapeType = shape.ShapeType();
- if ( !aMesh.HasShapeToMesh() && shapeType == TopAbs_VERTEX )
- continue;
-
- // check for preview dimension limitations
- if ( aShapesId && GetShapeDim( shapeType ) > (int)aDim )
- {
- // clear compute state not to show previous compute errors
- // if preview invoked less dimension less than previous
- smToCompute->ComputeStateEngine( SMESH_subMesh::CHECK_COMPUTE_STATE );
- continue;
- }
-
- if (smToCompute->GetComputeState() == SMESH_subMesh::READY_TO_COMPUTE)
- {
- if (_compute_canceled)
- return false;
- smToCompute->SetAllowedSubShapes( fillAllowed( shapeSM, aShapeOnly, allowedSubShapes ));
- setCurrentSubMesh( smToCompute );
- smToCompute->ComputeStateEngine( computeEvent );
- setCurrentSubMesh( nullptr );
- smToCompute->SetAllowedSubShapes( nullptr );
- }
-
- // we check all the sub-meshes here and detect if any of them failed to compute
- if (smToCompute->GetComputeState() == SMESH_subMesh::FAILED_TO_COMPUTE &&
- ( shapeType != TopAbs_EDGE || !SMESH_Algo::isDegenerated( TopoDS::Edge( shape ))))
- ret = false;
- else if ( aShapesId )
- aShapesId->insert( smToCompute->GetId() );
- }
- //aMesh.GetMeshDS()->Modified();
return ret;
}
else
{
// ================================================================
- // Apply algos that do NOT require discreteized boundaries
+ // Apply algos that do NOT require discretized boundaries
// ("all-dimensional") and do NOT support sub-meshes, starting from
// the most complex shapes and collect sub-meshes with algos that
// DO support sub-meshes
// ================================================================
-
list< SMESH_subMesh* > smWithAlgoSupportingSubmeshes[4]; // for each dim
// map to sort sm with same dim algos according to dim of
if ( aShapesId && GetShapeDim( shapeType ) > (int)aDim )
continue;
sm->SetAllowedSubShapes( fillAllowed( shapeSM, aShapeOnly, allowedSubShapes ));
+
setCurrentSubMesh( sm );
sm->ComputeStateEngine( computeEvent );
+
setCurrentSubMesh( NULL );
sm->SetAllowedSubShapes( nullptr );
if ( aShapesId )
// mesh the rest sub-shapes starting from vertices
// -----------------------------------------------
ret = Compute( aMesh, aShape, aFlags | UPWARD, aDim, aShapesId, allowedSubShapes );
+
}
MEMOSTAT;
const TopoDS_Shape& aSubShape = smToCompute->GetSubShape();
const int aShapeDim = GetShapeDim( aSubShape );
if ( aShapeDim < 1 ) break;
-
+
SMESH_Algo* algo = GetAlgo( smToCompute );
if ( algo && !algo->NeedDiscreteBoundary() ) {
if ( algo->SupportSubmeshes() ) {
