mesh_client.h

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/*
 *  Copyright 2020, Sebastian Pütz
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions
 *  are met:
 *
 *  1. Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *  2. Redistributions in binary form must reproduce the above
 *     copyright notice, this list of conditions and the following
 *     disclaimer in the documentation and/or other materials provided
 *     with the distribution.
 *
 *  3. Neither the name of the copyright holder nor the names of its
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 *  FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 *  COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 *  BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 *  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 *  CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 *  LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 *  ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 *  POSSIBILITY OF SUCH DAMAGE.
 *
 *  authors:
 *    Sebastian Pütz <spuetz@uni-osnabrueck.de>
 *
 */

#ifndef MESH_CLIENT_H_
#define MESH_CLIENT_H_

//  #define CPPHTTPLIB_OPENSSL_SUPPORT

#include <string>
#include <array>
#include <lvr2/io/AttributeMeshIOBase.hpp>
#include <lvr2/geometry/BoundingBox.hpp>
#include <lvr2/geometry/BaseVector.hpp>
#include <jsoncpp/json/json.h>

namespace mesh_client
{
class MeshClient : public lvr2::AttributeMeshIOBase
{
public:
  MeshClient(const std::string& srv_url, const std::string& server_username, const std::string& server_password,
             const std::string& mesh_layer);

  void setBoundingBox(float min_x, float min_y, float min_z, const float max_x, const float max_y, const float max_z);
  void addFilter(std::string channel, float min_value, float max_value);

  std::string buildJson(const std::string& attribute_name);

  enum Type : char
  {
    UINT = 0,
    FLOAT = 1,
    UCHAR = 2
  };

  lvr2::FloatChannelOptional getVertices();

  lvr2::IndexChannelOptional getIndices();

  bool addVertices(const lvr2::FloatChannel& channel_ptr);

  bool addIndices(const lvr2::IndexChannel& channel_ptr);

  bool getChannel(const std::string group, const std::string name, lvr2::FloatChannelOptional& channel);

  bool getChannel(const std::string group, const std::string name, lvr2::IndexChannelOptional& channel);

  bool getChannel(const std::string group, const std::string name, lvr2::UCharChannelOptional& channel);

  bool addChannel(const std::string group, const std::string name, const lvr2::FloatChannel& channel);

  bool addChannel(const std::string group, const std::string name, const lvr2::IndexChannel& channel);

  bool addChannel(const std::string group, const std::string name, const lvr2::UCharChannel& channel);

private:
  std::unique_ptr<std::string> requestChannel(std::string channel);

  std::map<std::string, lvr2::UCharChannel> uchar_channels;
  std::map<std::string, lvr2::IndexChannel> index_channels;
  std::map<std::string, lvr2::FloatChannel> float_channels;

  std::string server_url_;
  std::string server_username_;
  std::string server_password_;

  std::string mesh_layer_;
  std::array<float, 6> bounding_box_;
  std::map<std::string, std::pair<float, float>> mesh_filters_;
};

size_t writeFunction(void* ptr, size_t size, size_t nmemb, std::string* data)
{
  data->append((char*)ptr, size * nmemb);
  return size * nmemb;
}

}  // namespace mesh_client

#endif  // MESH_CLIENT_H_