PViewDataRemote.h

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// Gmsh - Copyright (C) 1997-2022 C. Geuzaine, J.-F. Remacle
//
// See the LICENSE.txt file in the Gmsh root directory for license information.
// Please report all issues on https://gitlab.onelab.info/gmsh/gmsh/issues.
 
#ifndef PVIEW_DATA_REMOTE_H
#define PVIEW_DATA_REMOTE_H
 
#include <vector>
#include <string>
#include "GmshMessage.h"
#include "PViewData.h"
#include "SBoundingBox3d.h"
#include "onelab.h"
 
// The container for a remote dataset (does not contain any actual data)
class PViewDataRemote : public PViewData {
private:
  onelab::localNetworkClient *_remote;
  double _min, _max;
  int _numTimeSteps;
  double _time;
  SBoundingBox3d _bbox;
 
public:
  PViewDataRemote(onelab::localNetworkClient *remote, double min, double max,
                  int numsteps, double time, SBoundingBox3d &bbox)
    : _remote(remote), _min(min), _max(max), _numTimeSteps(numsteps),
      _time(time), _bbox(bbox)
  {
  }
  ~PViewDataRemote() {}
  bool finalize(bool computeMinMax = true,
                const std::string &interpolationScheme = "")
  {
    return true;
  }
  int getNumTimeSteps() { return _numTimeSteps; }
  double getMin(int step = -1, bool onlyVisible = false, int tensorRep = 0,
                int forceNumComponents = 0, int componentMap[9] = nullptr)
  {
    return _min;
  }
  double getMax(int step = -1, bool onlyVisible = false, int tensorRep = 0,
                int forceNumComponents = 0, int componentMap[9] = nullptr)
  {
    return _max;
  }
  SBoundingBox3d getBoundingBox(int step = -1) { return _bbox; }
  double getTime(int step) { return _time; }
  // need to return != 0 for "empty" tests
  int getNumElements(int step = -1, int ent = -1) { return -1; }
  void setMin(double min) { _min = min; }
  void setMax(double max) { _max = max; }
  void setBoundingBox(SBoundingBox3d &bbox) { _bbox = bbox; }
  void setTime(double time) { _time = time; }
  bool isRemote() { return true; }
  int fillRemoteVertexArrays(std::string &options)
  {
    GmshServer *server = _remote->getGmshServer();
    if(!server) {
      Msg::Error("Remote server not running: please start server");
      return 1;
    }
    setDirty(true);
    server->SendString(GmshSocket::GMSH_VERTEX_ARRAY, options.c_str());
    return 1;
  }
};
 
#endif