data_package.h

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// this is for emacs file handling -*- mode: c++; indent-tabs-mode: nil -*-
 
// -- BEGIN LICENSE BLOCK ----------------------------------------------
// Copyright 2019 FZI Forschungszentrum Informatik
// Created on behalf of Universal Robots A/S
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// -- END LICENSE BLOCK ------------------------------------------------
 
//----------------------------------------------------------------------
//----------------------------------------------------------------------
 
#ifndef UR_CLIENT_LIBRARY_DATA_PACKAGE_H_INCLUDED
#define UR_CLIENT_LIBRARY_DATA_PACKAGE_H_INCLUDED
 
#include <unordered_map>
#include <variant>
#include <vector>
 
#include "ur_client_library/types.h"
#include "ur_client_library/rtde/rtde_package.h"
 
namespace urcl
{
namespace rtde_interface
{
enum class RUNTIME_STATE : uint32_t
{
  STOPPING = 0,
  STOPPED = 1,
  PLAYING = 2,
  PAUSING = 3,
  PAUSED = 4,
  RESUMING = 5
};
 
class DataPackage : public RTDEPackage
{
public:
  using _rtde_type_variant = std::variant<bool, uint8_t, uint32_t, uint64_t, int32_t, double, vector3d_t, vector6d_t,
                                          vector6int32_t, vector6uint32_t, std::string>;
 
  DataPackage() = delete;
 
  DataPackage(const DataPackage& other) : DataPackage(other.recipe_)
  {
    this->data_ = other.data_;
    this->protocol_version_ = other.protocol_version_;
  }
 
  DataPackage(const std::vector<std::string>& recipe, const uint16_t& protocol_version = 2)
    : RTDEPackage(PackageType::RTDE_DATA_PACKAGE), recipe_(recipe), protocol_version_(protocol_version)
  {
  }
  virtual ~DataPackage() = default;
 
  void initEmpty();
 
  virtual bool parseWith(comm::BinParser& bp);
  virtual std::string toString() const;
 
  size_t serializePackage(uint8_t* buffer);
 
  template <typename T>
  bool getData(const std::string& name, T& val)
  {
    if (data_.find(name) != data_.end())
    {
      val = std::get<T>(data_[name]);
    }
    else
    {
      return false;
    }
    return true;
  }
 
  template <typename T, size_t N>
  bool getData(const std::string& name, std::bitset<N>& val)
  {
    static_assert(sizeof(T) * 8 >= N, "Bitset is too large for underlying variable");
 
    if (data_.find(name) != data_.end())
    {
      val = std::bitset<N>(std::get<T>(data_[name]));
    }
    else
    {
      return false;
    }
    return true;
  }
 
  template <typename T>
  bool setData(const std::string& name, T& val)
  {
    if (data_.find(name) != data_.end())
    {
      data_[name] = val;
    }
    else
    {
      return false;
    }
    return true;
  }
 
  void setRecipeID(const uint8_t& recipe_id)
  {
    recipe_id_ = recipe_id;
  }
 
private:
  // Const would be better here
  static std::unordered_map<std::string, _rtde_type_variant> g_type_list;
  uint8_t recipe_id_;
  std::unordered_map<std::string, _rtde_type_variant> data_;
  std::vector<std::string> recipe_;
  uint16_t protocol_version_;
};
 
}  // namespace rtde_interface
}  // namespace urcl
 
#endif  // ifndef UR_CLIENT_LIBRARY_DATA_PACKAGE_H_INCLUDED