Remove boost dependency

.github/workflows/industrial-ci.yml

@@ -18,9 +18,6 @@ jobs:
     strategy:
       matrix:
         env:
-          - ROS_DISTRO: kinetic
-            ROS_REPO: main
-            IMMEDIATE_TEST_OUTPUT: true
           - ROS_DISTRO: melodic
             ROS_REPO: main
             IMMEDIATE_TEST_OUTPUT: true

CMakeLists.txt

@@ -8,14 +8,12 @@ if(NOT CMAKE_CONFIGURATION_TYPES AND NOT CMAKE_BUILD_TYPE)
   set(CMAKE_BUILD_TYPE RelWithDebInfo)
 endif()
 
-find_package(Boost REQUIRED)
-
 
 ##
 ## Check C++11 support / enable global pedantic and Wall
 ##
-include(DefineCXX11CompilerFlag)
-DEFINE_CXX_11_COMPILER_FLAG(CXX11_FLAG)
+include(DefineCXX17CompilerFlag)
+DEFINE_CXX_17_COMPILER_FLAG(CXX17_FLAG)
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -pedantic")
 
 add_library(urcl SHARED
@@ -44,11 +42,10 @@ add_library(urcl SHARED
 )
 add_library(ur_client_library::urcl ALIAS urcl)
 target_compile_options(urcl PRIVATE -Wall -Wextra -Wno-unused-parameter)
-target_compile_options(urcl PUBLIC ${CXX11_FLAG})
+target_compile_options(urcl PUBLIC ${CXX17_FLAG})
 target_include_directories( urcl PUBLIC
   $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
   $<INSTALL_INTERFACE:include>
-  ${Boost_INCLUDE_DIRS}
 )
 
 find_package(Threads REQUIRED)
@@ -82,8 +79,6 @@ else()
 endif()
 
 
-target_link_libraries(urcl INTERFACE ${Boost_Libraries})
-
 add_subdirectory(examples)
 
 include(GNUInstallDirs)

examples/CMakeLists.txt

@@ -6,21 +6,21 @@ project(ur_driver_examples)
 ##
 ## Check C++11 support / enable global pedantic and Wall
 ##
-include(DefineCXX11CompilerFlag)
-DEFINE_CXX_11_COMPILER_FLAG(CXX11_FLAG)
+include(DefineCXX17CompilerFlag)
+DEFINE_CXX_17_COMPILER_FLAG(CXX17_FLAG)
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -pedantic")
 
 add_executable(driver_example
   full_driver.cpp)
-target_compile_options(driver_example PUBLIC ${CXX11_FLAG})
+target_compile_options(driver_example PUBLIC ${CXX17_FLAG})
 target_link_libraries(driver_example ur_client_library::urcl)
 
 add_executable(primary_pipeline_example
   primary_pipeline.cpp)
-target_compile_options(primary_pipeline_example PUBLIC ${CXX11_FLAG})
+target_compile_options(primary_pipeline_example PUBLIC ${CXX17_FLAG})
 target_link_libraries(primary_pipeline_example ur_client_library::urcl)
 
 add_executable(rtde_client_example
   rtde_client.cpp)
-target_compile_options(rtde_client_example PUBLIC ${CXX11_FLAG})
+target_compile_options(rtde_client_example PUBLIC ${CXX17_FLAG})
 target_link_libraries(rtde_client_example ur_client_library::urcl)

include/ur_client_library/rtde/data_package.h

@@ -29,11 +29,11 @@
 #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"
-#include <boost/variant.hpp>
 
 namespace urcl
 {
@@ -59,8 +59,8 @@ enum class RUNTIME_STATE : uint32_t
 class DataPackage : public RTDEPackage
 {
 public:
-  using _rtde_type_variant = boost::variant<bool, uint8_t, uint32_t, uint64_t, int32_t, double, vector3d_t, vector6d_t,
-                                            vector6int32_t, vector6uint32_t, std::string>;
+  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;
 
@@ -116,7 +116,6 @@ class DataPackage : public RTDEPackage
    *
    * \param name The string identifier for the data field as used in the documentation.
    * \param val Target variable. Make sure, it's the correct type.
-   * \exception boost::bad_get if the type under given \p name does not match the template type T.
    *
    * \returns True on success, false if the field cannot be found inside the package.
    */
@@ -125,7 +124,7 @@ class DataPackage : public RTDEPackage
   {
     if (data_.find(name) != data_.end())
     {
-      val = boost::strict_get<T>(data_[name]);
+      val = std::get<T>(data_[name]);
     }
     else
     {
@@ -141,7 +140,6 @@ class DataPackage : public RTDEPackage
    *
    * \param name The string identifier for the data field as used in the documentation.
    * \param val Target variable. Make sure, it's the correct type.
-   * \exception boost::bad_get if the type under given \p name does not match the template type T.
    *
    * \returns True on success, false if the field cannot be found inside the package.
    */
@@ -152,7 +150,7 @@ class DataPackage : public RTDEPackage
 
     if (data_.find(name) != data_.end())
     {
-      val = std::bitset<N>(boost::strict_get<T>(data_[name]));
+      val = std::bitset<N>(std::get<T>(data_[name]));
     }
     else
     {
@@ -201,41 +199,6 @@ class DataPackage : public RTDEPackage
   uint8_t recipe_id_;
   std::unordered_map<std::string, _rtde_type_variant> data_;
   std::vector<std::string> recipe_;
-
-  struct ParseVisitor : public boost::static_visitor<>
-  {
-    template <typename T>
-    void operator()(T& d, comm::BinParser& bp) const
-    {
-      bp.parse(d);
-    }
-  };
-  struct StringVisitor : public boost::static_visitor<std::string>
-  {
-    template <typename T>
-    std::string operator()(T& d) const
-    {
-      std::stringstream ss;
-      ss << d;
-      return ss.str();
-    }
-  };
-  struct SizeVisitor : public boost::static_visitor<uint16_t>
-  {
-    template <typename T>
-    uint16_t operator()(T& d) const
-    {
-      return sizeof(d);
-    }
-  };
-  struct SerializeVisitor : public boost::static_visitor<size_t>
-  {
-    template <typename T>
-    size_t operator()(T& d, uint8_t* buffer) const
-    {
-      return comm::PackageSerializer::serialize(buffer, d);
-    }
-  };
 };
 
 }  // namespace rtde_interface

package.xml

@@ -20,7 +20,6 @@
 
   <buildtool_depend>cmake</buildtool_depend>
 
-  <build_depend>boost</build_depend>
   <depend>libconsole-bridge-dev</depend>
 
   <export>

src/rtde/data_package.cpp

@@ -574,8 +574,7 @@ bool rtde_interface::DataPackage::parseWith(comm::BinParser& bp)
     if (g_type_list.find(item) != g_type_list.end())
     {
       _rtde_type_variant entry = g_type_list[item];
-      auto bound_visitor = std::bind(ParseVisitor(), std::placeholders::_1, bp);
-      boost::apply_visitor(bound_visitor, entry);
+      std::visit([&bp](auto&& arg) { bp.parse(arg); }, entry);
       data_[item] = entry;
     }
     else
@@ -592,7 +591,8 @@ std::string rtde_interface::DataPackage::toString() const
   for (auto& item : data_)
   {
     ss << item.first << ": ";
-    ss << boost::apply_visitor(StringVisitor{}, item.second) << std::endl;
+    std::visit([&ss](auto&& arg) { ss << arg; }, item.second);
+    ss << std::endl;
   }
   return ss.str();
 }
@@ -603,15 +603,16 @@ size_t rtde_interface::DataPackage::serializePackage(uint8_t* buffer)
 
   for (auto& item : data_)
   {
-    payload_size += boost::apply_visitor(SizeVisitor{}, item.second);
+    payload_size += std::visit([](auto&& arg) -> uint16_t { return sizeof(arg); }, item.second);
   }
   size_t size = 0;
   size += PackageHeader::serializeHeader(buffer, PackageType::RTDE_DATA_PACKAGE, payload_size);
   size += comm::PackageSerializer::serialize(buffer + size, recipe_id_);
   for (auto& item : recipe_)
   {
-    auto bound_visitor = std::bind(SerializeVisitor(), std::placeholders::_1, buffer + size);
-    size += boost::apply_visitor(bound_visitor, data_[item]);
+    size += std::visit(
+        [&buffer, &size](auto&& arg) -> size_t { return comm::PackageSerializer::serialize(buffer + size, arg); },
+        data_[item]);
   }
 
   return size;

tests/CMakeLists.txt

@@ -22,16 +22,16 @@ if (NOT TARGET ur_client_library::urcl)
 endif()
 
 # Check C++11 support
-include(DefineCXX11CompilerFlag)
-DEFINE_CXX_11_COMPILER_FLAG(CXX11_FLAG)
+include(DefineCXX17CompilerFlag)
+DEFINE_CXX_17_COMPILER_FLAG(CXX17_FLAG)
 
 
 # Build Tests
 if (INTEGRATION_TESTS)
   # Integration tests require a robot reachable at 192.168.56.101. Therefore, they have to be
   # activated separately.
   add_executable(rtde_tests test_rtde_client.cpp)
-  target_compile_options(rtde_tests PRIVATE ${CXX11_FLAG})
+  target_compile_options(rtde_tests PRIVATE ${CXX17_FLAG})
   target_include_directories(rtde_tests PRIVATE ${GTEST_INCLUDE_DIRS})
   target_link_libraries(rtde_tests PRIVATE ur_client_library::urcl ${GTEST_LIBRARIES})
   gtest_add_tests(TARGET      rtde_tests
@@ -42,14 +42,21 @@ else()
 endif()
 
 add_executable(primary_parser_tests test_primary_parser.cpp)
-target_compile_options(primary_parser_tests PRIVATE ${CXX11_FLAG})
+target_compile_options(primary_parser_tests PRIVATE ${CXX17_FLAG})
 target_include_directories(primary_parser_tests PRIVATE ${GTEST_INCLUDE_DIRS})
 target_link_libraries(primary_parser_tests PRIVATE ur_client_library::urcl ${GTEST_LIBRARIES})
 gtest_add_tests(TARGET      primary_parser_tests
 )
 
+add_executable(rtde_data_package test_rtde_data_package.cpp)
+target_compile_options(rtde_data_package PRIVATE ${CXX17_FLAG})
+target_include_directories(rtde_data_package PRIVATE ${GTEST_INCLUDE_DIRS})
+target_link_libraries(rtde_data_package PRIVATE ur_client_library::urcl ${GTEST_LIBRARIES})
+gtest_add_tests(TARGET      rtde_data_package
+)
+
 add_executable(rtde_parser_tests test_rtde_parser.cpp)
-target_compile_options(rtde_parser_tests PRIVATE ${CXX11_FLAG})
+target_compile_options(rtde_parser_tests PRIVATE ${CXX17_FLAG})
 target_include_directories(rtde_parser_tests PRIVATE ${GTEST_INCLUDE_DIRS})
 target_link_libraries(rtde_parser_tests PRIVATE ur_client_library::urcl ${GTEST_LIBRARIES})
 gtest_add_tests(TARGET      rtde_parser_tests

tests/test_rtde_data_package.cpp

@@ -0,0 +1,63 @@
+// this is for emacs file handling -*- mode: c++; indent-tabs-mode: nil -*-
+
+// -- BEGIN LICENSE BLOCK ----------------------------------------------
+// Copyright 2020 FZI Forschungszentrum Informatik
+//
+// 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 ------------------------------------------------
+
+//----------------------------------------------------------------------
+/*!\file
+ *
+ * \author  Felix Exner mauch@fzi.de
+ * \date    2020-09-11
+ *
+ */
+//----------------------------------------------------------------------
+
+#include <gtest/gtest.h>
+
+#include <ur_client_library/rtde/data_package.h>
+
+using namespace urcl;
+
+TEST(rtde_data_package, serialize_pkg)
+{
+  std::vector<std::string> recipe{ "speed_slider_mask" };
+  rtde_interface::DataPackage package(recipe);
+  package.initEmpty();
+
+  uint32_t value = 1;
+  package.setData("speed_slider_mask", value);
+
+  uint8_t buffer[4096];
+  package.setRecipeID(1);
+  size_t size = package.serializePackage(buffer);
+
+  EXPECT_EQ(size, 8);
+
+  uint8_t expected[] = { 0x0, 0x08, 0x55, 0x01, 0x00, 0x00, 0x00, 0x01 };
+  std::cout << "Serialized buffer: " << std::endl;
+  for (size_t i = 0; i < size; ++i)
+  {
+    EXPECT_EQ(buffer[i], expected[i]);
+  }
+  std::cout << std::endl;
+}
+
+int main(int argc, char* argv[])
+{
+  ::testing::InitGoogleTest(&argc, argv);
+
+  return RUN_ALL_TESTS();
+}