Fix/snap version (#162)

* fix(snap): grade and version should be from the part

* CI(snap): need git history for latest git tag

* ci(snap): use new action-publish crendential system

* ignore snap

.github/workflows/ci.yml

@@ -3,27 +3,27 @@ name: CI micro-ROS Agent
 on:
     pull_request:
       branches:
-        - 'iron'
+        - 'foxy'
     schedule:
       - cron: '33 6 * * *'
 
 jobs:
 
     microros_agent_ci:
-      runs-on: ${{ matrix.os }}
+      runs-on: ubuntu-20.04
       strategy:
         fail-fast: false
         matrix:
-          os: [ ubuntu-latest ]
-          ros_distribution: [ iron ]
+          os: [ ubuntu-20.04 ]
+          ros_distribution: [ foxy ]
           include:
-            - docker_image: ubuntu:jammy
-              ros_distribution: iron
+            - docker_image: ubuntu:20.04
+              ros_distribution: foxy
       container:
-        image: ubuntu:jammy
+        image: ubuntu:20.04
       steps:
-      - uses: actions/checkout@v3
-      - uses: ros-tooling/setup-ros@0.6.2
+      - uses: actions/checkout@v2
+      - uses: ros-tooling/setup-ros@0.3.2
         with:
           use-ros2-testing: false
           required-ros-distributions: ${{ matrix.ros_distribution }}
@@ -31,7 +31,8 @@ jobs:
         run: |
           apt-get install ros-${{ matrix.ros_distribution }}-micro-ros-msgs
           apt-get install ros-${{ matrix.ros_distribution }}-rmw-fastrtps-cpp
-      - uses : ros-tooling/action-ros-ci@0.3.2
+      - uses : ros-tooling/action-ros-ci@0.2.5
         with:
           package-name: "micro_ros_agent"
           target-ros2-distro: ${{ matrix.ros_distribution }}
+

.github/workflows/snap.yaml

@@ -0,0 +1,54 @@
+name: snap
+on:
+  push:
+    tags:
+      - '*'
+    branches:
+      - foxy
+  pull_request:
+    branches:
+      - foxy
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    outputs:
+      snap-file: ${{ steps.build-snap.outputs.snap }}
+    steps:
+    - uses: actions/checkout@v2
+      with:
+        # full history for latest tag name
+        fetch-depth: 0
+    - uses: snapcore/action-build@v1
+      id: build-snap
+      with:
+        snapcraft-args: '--enable-experimental-extensions'
+
+    # Make sure the snap is installable
+    - run: |
+        sudo snap install --dangerous ${{ steps.build-snap.outputs.snap }}
+
+    # @todo Do some testing with the snap
+    - run: |
+        micro-ros-agent udp4
+    - uses: actions/upload-artifact@v3
+      with:
+        name: micro-ros-agent-snap
+        path: ${{ steps.build-snap.outputs.snap }}
+
+  publish:
+    if: github.ref == 'refs/heads/foxy' || startsWith(github.ref, 'refs/tags/')
+    runs-on: ubuntu-latest
+    needs: build
+    steps:
+    - uses: actions/download-artifact@v3
+      with:
+        name: micro-ros-agent-snap
+        path: .
+    - uses: snapcore/action-publish@v1
+      env:
+        SNAPCRAFT_STORE_CREDENTIALS: ${{ secrets.STORE_LOGIN }}
+      with:
+        snap: ${{needs.build.outputs.snap-file}}
+        release: ${{ startsWith(github.ref, 'refs/tags/') && 'candidate' || 'edge'}}

.gitignore

@@ -33,3 +33,7 @@
 # End of https://www.gitignore.io/api/qtcreator
 
 CMakeLists.txt.user
+
+
+# snaps
+*.snap

README.md

@@ -55,4 +55,4 @@ see the file [3rd-party-licenses.txt](3rd-party-licenses.txt).
 Please notice the following issues/limitations:
 
 * There is an unknown issue when dealing with serial ports shared with the micro-ROS agent running inside a Docker. Sometimes it works with a remarkable packet loss.
-* There is an known issues with serial port communication on micro-ros-agent snap version. It is recommended to use the dockerized version or build it from source.
+

micro_ros_agent/CHANGELOG.rst

@@ -2,36 +2,28 @@
 Changelog for package micro-ros_agent
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-4.0.3 (2023-06-06)
+1.5.4 (2022-09-28)
 ------------------
-* Add empty type key hash to GraphCache (`#189 <https://github.com/micro-ROS/micro-ROS-Agent/issues/189>`_)
-* Contributors: Antonio Cuadros
+* Fix Datawriter destruction (`#169 <https://github.com/micro-ROS/micro-ROS-Agent/issues/169>`_) (`#171 <https://github.com/micro-ROS/micro-ROS-Agent/issues/171>`_)
+* Synchronise predicate (`#160 <https://github.com/micro-ROS/micro-ROS-Agent/issues/160>`_) (`#167 <https://github.com/micro-ROS/micro-ROS-Agent/issues/167>`_)
 
-4.0.2 (2022-09-28)
+1.5.3 (2022-06-13)
 ------------------
-* Fix Datawriter destruction (`#169 <https://github.com/micro-ROS/micro-ROS-Agent/issues/169>`_) (`#170 <https://github.com/micro-ROS/micro-ROS-Agent/issues/170>`_)
-* Synchronise predicate (`#160 <https://github.com/micro-ROS/micro-ROS-Agent/issues/160>`_) (`#165 <https://github.com/micro-ROS/micro-ROS-Agent/issues/165>`_)
+* Fix memory leak in graph manager (`#147 <https://github.com/micro-ROS/micro-ROS-Agent/issues/147>`_) (`#149 <https://github.com/micro-ROS/micro-ROS-Agent/issues/149>`_)
 
-4.0.1 (2022-06-13)
-------------------
-* Fix memory leak in graph manager (`#147 <https://github.com/micro-ROS/micro-ROS-Agent/issues/147>`_) (`#148 <https://github.com/micro-ROS/micro-ROS-Agent/issues/148>`_)
-
-4.0.0 (2022-05-25)
+1.5.2 (2022-05-25)
 ------------------
 
-3.0.1 (2022-03-25)
+1.5.1 (2022-03-25)
 ------------------
-* Add services to graph manager (`#127 <https://github.com/micro-ROS/micro-ROS-Agent/issues/127>`_) (`#129 <https://github.com/micro-ROS/micro-ROS-Agent/issues/129>`_)
-* Add used missing includes (`#116 <https://github.com/micro-ROS/micro-ROS-Agent/issues/116>`_) (`#124 <https://github.com/micro-ROS/micro-ROS-Agent/issues/124>`_)
-* Add system logger flag (`#118 <https://github.com/micro-ROS/micro-ROS-Agent/issues/118>`_) (`#119 <https://github.com/micro-ROS/micro-ROS-Agent/issues/119>`_)
-* Add condition variable include (`#113 <https://github.com/micro-ROS/micro-ROS-Agent/issues/113>`_) (`#114 <https://github.com/micro-ROS/micro-ROS-Agent/issues/114>`_)
-* pass system name to xrceagent (`#110 <https://github.com/micro-ROS/micro-ROS-Agent/issues/110>`_) (`#112 <https://github.com/micro-ROS/micro-ROS-Agent/issues/112>`_)
-* Fix memory leak in FastDDS datawriter (`#107 <https://github.com/micro-ROS/micro-ROS-Agent/issues/107>`_) (`#109 <https://github.com/micro-ROS/micro-ROS-Agent/issues/109>`_)
+* Add services to graph manager (backport `#127 <https://github.com/micro-ROS/micro-ROS-Agent/issues/127>`_) (`#128 <https://github.com/micro-ROS/micro-ROS-Agent/issues/128>`_)
+* Add used missing includes (`#116 <https://github.com/micro-ROS/micro-ROS-Agent/issues/116>`_)
+* Add system logger flag (`#118 <https://github.com/micro-ROS/micro-ROS-Agent/issues/118>`_) (`#120 <https://github.com/micro-ROS/micro-ROS-Agent/issues/120>`_)
+* Add condition variable include (`#113 <https://github.com/micro-ROS/micro-ROS-Agent/issues/113>`_) (`#115 <https://github.com/micro-ROS/micro-ROS-Agent/issues/115>`_)
+* pass system name to xrceagent (`#110 <https://github.com/micro-ROS/micro-ROS-Agent/issues/110>`_) (`#111 <https://github.com/micro-ROS/micro-ROS-Agent/issues/111>`_)
+* Fix memory leak in FastDDS datawriter (`#107 <https://github.com/micro-ROS/micro-ROS-Agent/issues/107>`_) (`#108 <https://github.com/micro-ROS/micro-ROS-Agent/issues/108>`_)
 
-3.0.0 (2021-09-13)
-------------------
-
-1.0.1 (2021-09-13)
+1.5.0 (2021-09-13)
 ------------------
 * Remove XRCE dependency and add superbuild (`#97 <https://github.com/micro-ROS/micro-ROS-Agent/issues/97>`_)
 * Fixed launch file by using a list for arguments. Ensures order of items is kept. (`#93 <https://github.com/micro-ROS/micro-ROS-Agent/issues/93>`_) (`#94 <https://github.com/micro-ROS/micro-ROS-Agent/issues/94>`_)

micro_ros_agent/include/agent/graph_manager/graph_manager.hpp

@@ -143,6 +143,21 @@ public:
             const eprosima::fastrtps::rtps::GUID_t& participant_guid,
             const eprosima::fastdds::dds::DataWriterQos& writer_qos);
 
+    /**
+     * @brief   Adds a DDS datawriter to the graph tree.
+     * @param   datawriter_guid rtps::GUID_t of the datawriter to be added.
+     * @param   topic_name Name of the topic to which the datawriter sends information to.
+     * @param   type_name Type name of the sent topic.
+     * @param   participant_guid rtps::GUID_t of the participant which owns this datawriter.
+     * @param   writer_qos QOS of the datawriter to be included into the graph tree.
+     */
+    void add_datawriter(
+            const eprosima::fastrtps::rtps::GUID_t& datawriter_guid,
+            const std::string& topic_name,
+            const std::string& type_name,
+            const eprosima::fastrtps::rtps::GUID_t& participant_guid,
+            const eprosima::fastdds::dds::WriterQos& writer_qos);
+
     /**
      * @brief   Removes a DDS datawriter from the graph tree.
      * @param   datawriter_guid rtps::GUID_t of the datawriter to be removed.
@@ -176,6 +191,21 @@ public:
             const eprosima::fastrtps::rtps::GUID_t& participant_guid,
             const eprosima::fastdds::dds::DataReaderQos& reader_qos);
 
+    /**
+     * @brief   Adds a DDS datareader to the graph tree.
+     * @param   datareader_guid rtps::GUID_t of the datareader to be added.
+     * @param   topic_name Name of the topic to which the datareader sends information to.
+     * @param   type_name Type name of the sent topic.
+     * @param   participant_guid rtps::GUID_t of the participant which owns this datareader.
+     * @param   writer_qos QOS of the datareader to be included into the graph tree.
+     */
+    void add_datareader(
+            const eprosima::fastrtps::rtps::GUID_t& datareader_guid,
+            const std::string& topic_name,
+            const std::string& type_name,
+            const eprosima::fastrtps::rtps::GUID_t& participant_guid,
+            const eprosima::fastdds::dds::ReaderQos& reader_qos);
+
     /**
      * @brief   Removes a DDS datareader from the graph tree.
      * @param   datareader_guid rtps::GUID_t of the datareader to be removed.

micro_ros_agent/package.xml

@@ -2,7 +2,7 @@
 <?xml-model href="http://download.ros.org/schema/package_format3.xsd" schematypens="http://www.w3.org/2001/XMLSchema"?>
 <package format="3">
   <name>micro_ros_agent</name>
-  <version>4.0.3</version>
+  <version>1.5.4</version>
   <description>micro-ROS Agent package</description>
   <maintainer email="pablogarrido@eprosima.com">Pablo Garrido</maintainer>
   <maintainer email="antoniocuadros@eprosima.com">Antonio Cuadros</maintainer>

micro_ros_agent/src/agent/Agent.cpp

@@ -79,9 +79,14 @@ bool Agent::create(
             {
                 auto graph_manager_ = find_or_create_graph_manager(participant->get_domain_id());
 
-                graph_manager_->add_datawriter(datawriter->guid(), participant, datawriter);
+                // TODO(jamoralp): Workaround for Fast-DDS bug #9977. Remove when fixed
+                const eprosima::fastrtps::rtps::InstanceHandle_t instance_handle =
+                    datawriter->get_instance_handle();
+                const eprosima::fastrtps::rtps::GUID_t datawriter_guid =
+                    iHandle2GUID(instance_handle);
+                graph_manager_->add_datawriter(datawriter_guid, participant, datawriter);
                 graph_manager_->associate_entity(
-                    datawriter->guid(), participant, dds::xrce::OBJK_DATAWRITER);
+                    datawriter_guid, participant, dds::xrce::OBJK_DATAWRITER);
             });
         xrce_dds_agent_instance_.add_middleware_callback(
             eprosima::uxr::Middleware::Kind::FASTDDS,
@@ -101,7 +106,12 @@ bool Agent::create(
 
                 auto graph_manager_ = find_or_create_graph_manager(participant->get_domain_id());
 
-                graph_manager_->remove_datawriter(datawriter->guid());
+                // TODO(jamoralp): Workaround for Fast-DDS bug #9977. Remove when fixed
+                const eprosima::fastrtps::rtps::InstanceHandle_t instance_handle =
+                    datawriter->get_instance_handle();
+                const eprosima::fastrtps::rtps::GUID_t datawriter_guid =
+                    eprosima::fastrtps::rtps::iHandle2GUID(instance_handle);
+                graph_manager_->remove_datawriter(datawriter_guid);
             });
 
         xrce_dds_agent_instance_.add_middleware_callback(
@@ -174,15 +184,21 @@ bool Agent::create(
             {
                 auto graph_manager_ = find_or_create_graph_manager(participant->get_domain_id());
 
-                graph_manager_->add_datawriter(datawriter->guid(), participant, datawriter);
+                // TODO(pablogs): Workaround for Fast-DDS bug #9977. Remove when fixed
+                const eprosima::fastrtps::rtps::InstanceHandle_t instance_handle_dw =
+                    datawriter->get_instance_handle();
+                const eprosima::fastrtps::rtps::GUID_t datawriter_guid =
+                    eprosima::fastrtps::rtps::iHandle2GUID(instance_handle_dw);
+
+                graph_manager_->add_datawriter(datawriter_guid, participant, datawriter);
                 graph_manager_->associate_entity(
-                    datawriter->guid(), participant, dds::xrce::OBJK_DATAWRITER);
+                    datawriter_guid, participant, dds::xrce::OBJK_DATAWRITER);
 
                 // TODO(pablogs): Workaround for Fast-DDS bug #9977. Remove when fixed
-                const eprosima::fastrtps::rtps::InstanceHandle_t instance_handle =
+                const eprosima::fastrtps::rtps::InstanceHandle_t instance_handle_dr =
                     datareader->get_instance_handle();
                 const eprosima::fastrtps::rtps::GUID_t datareader_guid =
-                    eprosima::fastrtps::rtps::iHandle2GUID(instance_handle);
+                    eprosima::fastrtps::rtps::iHandle2GUID(instance_handle_dr);
                 graph_manager_->add_datareader(datareader_guid, participant, datareader);
                 graph_manager_->associate_entity(
                     datareader_guid, participant, dds::xrce::OBJK_DATAREADER);
@@ -206,13 +222,18 @@ bool Agent::create(
             {
                 auto graph_manager_ = find_or_create_graph_manager(participant->get_domain_id());
 
-                graph_manager_->remove_datawriter(datawriter->guid());
+                // TODO(pablogs): Workaround for Fast-DDS bug #9977. Remove when fixed
+                const eprosima::fastrtps::rtps::InstanceHandle_t instance_handle_dw =
+                    datawriter->get_instance_handle();
+                const eprosima::fastrtps::rtps::GUID_t datawriter_guid =
+                    eprosima::fastrtps::rtps::iHandle2GUID(instance_handle_dw);
+                graph_manager_->remove_datawriter(datawriter_guid);
 
                 // TODO(pablogs): Workaround for Fast-DDS bug #9977. Remove when fixed
-                const eprosima::fastrtps::rtps::InstanceHandle_t instance_handle =
+                const eprosima::fastrtps::rtps::InstanceHandle_t instance_handle_dr =
                     datareader->get_instance_handle();
                 const eprosima::fastrtps::rtps::GUID_t datareader_guid =
-                    eprosima::fastrtps::rtps::iHandle2GUID(instance_handle);
+                    eprosima::fastrtps::rtps::iHandle2GUID(instance_handle_dr);
                 graph_manager_->remove_datareader(datareader_guid);
             });
 
@@ -235,15 +256,20 @@ bool Agent::create(
             {
                 auto graph_manager_ = find_or_create_graph_manager(participant->get_domain_id());
 
-                graph_manager_->add_datawriter(datawriter->guid(), participant, datawriter);
+                // TODO(pablogs): Workaround for Fast-DDS bug #9977. Remove when fixed
+                const eprosima::fastrtps::rtps::InstanceHandle_t instance_handle_dw =
+                    datawriter->get_instance_handle();
+                const eprosima::fastrtps::rtps::GUID_t datawriter_guid =
+                    eprosima::fastrtps::rtps::iHandle2GUID(instance_handle_dw);
+                graph_manager_->add_datawriter(datawriter_guid, participant, datawriter);
                 graph_manager_->associate_entity(
-                    datawriter->guid(), participant, dds::xrce::OBJK_DATAWRITER);
+                    datawriter_guid, participant, dds::xrce::OBJK_DATAWRITER);
 
                 // TODO(pablogs): Workaround for Fast-DDS bug #9977. Remove when fixed
-                const eprosima::fastrtps::rtps::InstanceHandle_t instance_handle =
+                const eprosima::fastrtps::rtps::InstanceHandle_t instance_handle_dr =
                     datareader->get_instance_handle();
                 const eprosima::fastrtps::rtps::GUID_t datareader_guid =
-                    eprosima::fastrtps::rtps::iHandle2GUID(instance_handle);
+                    eprosima::fastrtps::rtps::iHandle2GUID(instance_handle_dr);
                 graph_manager_->add_datareader(datareader_guid, participant, datareader);
                 graph_manager_->associate_entity(
                     datareader_guid, participant, dds::xrce::OBJK_DATAREADER);
@@ -267,13 +293,18 @@ bool Agent::create(
             {
                 auto graph_manager_ = find_or_create_graph_manager(participant->get_domain_id());
 
-                graph_manager_->remove_datawriter(datawriter->guid());
+                // TODO(pablogs): Workaround for Fast-DDS bug #9977. Remove when fixed
+                const eprosima::fastrtps::rtps::InstanceHandle_t instance_handle_dw =
+                    datawriter->get_instance_handle();
+                const eprosima::fastrtps::rtps::GUID_t datawriter_guid =
+                    eprosima::fastrtps::rtps::iHandle2GUID(instance_handle_dw);
+                graph_manager_->remove_datawriter(datawriter_guid);
 
                 // TODO(pablogs): Workaround for Fast-DDS bug #9977. Remove when fixed
-                const eprosima::fastrtps::rtps::InstanceHandle_t instance_handle =
+                const eprosima::fastrtps::rtps::InstanceHandle_t instance_handle_dr =
                     datareader->get_instance_handle();
                 const eprosima::fastrtps::rtps::GUID_t datareader_guid =
-                    eprosima::fastrtps::rtps::iHandle2GUID(instance_handle);
+                    eprosima::fastrtps::rtps::iHandle2GUID(instance_handle_dr);
                 graph_manager_->remove_datareader(datareader_guid);
             });
 

micro_ros_agent/src/agent/graph_manager/graph_manager.cpp

@@ -374,8 +374,26 @@ void GraphManager::add_datawriter(
         "rmw_fastrtps_cpp", participant_guid);
     const rmw_qos_profile_t qos_profile = fastdds_qos_to_rmw_qos(writer_qos);
 
-    graphCache_.add_entity(datawriter_gid, topic_name, type_name,
-        rosidl_get_zero_initialized_type_hash(), participant_gid, qos_profile, false);
+    graphCache_.add_entity(datawriter_gid, topic_name,
+        type_name, participant_gid, qos_profile, false);
+}
+
+void GraphManager::add_datawriter(
+        const eprosima::fastrtps::rtps::GUID_t& datawriter_guid,
+        const std::string& topic_name,
+        const std::string& type_name,
+        const eprosima::fastrtps::rtps::GUID_t& participant_guid,
+        const eprosima::fastdds::dds::WriterQos& writer_qos)
+{
+    const rmw_gid_t datawriter_gid = rmw_fastrtps_shared_cpp::create_rmw_gid(
+        "rmw_fastrtps_cpp", datawriter_guid);
+    const rmw_gid_t participant_gid = rmw_fastrtps_shared_cpp::create_rmw_gid(
+        "rmw_fastrtps_cpp", participant_guid);
+    rmw_qos_profile_t qos_profile = rmw_qos_profile_unknown;
+    dds_qos_to_rmw_qos(writer_qos, &qos_profile);
+
+    graphCache_.add_entity(datawriter_gid, topic_name,
+        type_name, participant_gid, qos_profile, false);
 }
 
 void GraphManager::remove_datawriter(
@@ -411,13 +429,26 @@ void GraphManager::add_datareader(
         "rmw_fastrtps_cpp", participant_guid);
     const rmw_qos_profile_t qos_profile = fastdds_qos_to_rmw_qos(reader_qos);
 
-    // TODO(acuadros95): Use typesupport to calculate type hash on micro-ROS and save and get it from reader_qos.user_data.
-    // Related PRs:
-    // https://github.com/ros2/rmw_dds_common/pull/70
-    // https://github.com/ros2/rmw_fastrtps/pull/671
-    // https://github.com/ros2/rmw_fastrtps/pull/680
-    graphCache_.add_entity(datareader_gid, topic_name, type_name,
-        rosidl_get_zero_initialized_type_hash(), participant_gid, qos_profile, true);
+    graphCache_.add_entity(datareader_gid, topic_name,
+        type_name, participant_gid, qos_profile, true);
+}
+
+void GraphManager::add_datareader(
+        const eprosima::fastrtps::rtps::GUID_t& datareader_guid,
+        const std::string& topic_name,
+        const std::string& type_name,
+        const eprosima::fastrtps::rtps::GUID_t& participant_guid,
+        const eprosima::fastdds::dds::ReaderQos& reader_qos)
+{
+    const rmw_gid_t datareader_gid = rmw_fastrtps_shared_cpp::create_rmw_gid(
+        "rmw_fastrtps_cpp", datareader_guid);
+    const rmw_gid_t participant_gid = rmw_fastrtps_shared_cpp::create_rmw_gid(
+        "rmw_fastrtps_cpp", participant_guid);
+    rmw_qos_profile_t qos_profile = rmw_qos_profile_unknown;
+    dds_qos_to_rmw_qos(reader_qos, &qos_profile);
+
+    graphCache_.add_entity(datareader_gid, topic_name,
+        type_name, participant_gid, qos_profile, true);
 }
 
 void GraphManager::remove_datareader(
@@ -552,7 +583,7 @@ void GraphManager::update_node_entities_info()
     if (ros_discovery_datareader_->take_next_sample(&entities_info, &sample_info) ==
         eprosima::fastrtps::types::ReturnCode_t::RETCODE_OK)
     {
-        if (sample_info.instance_state == eprosima::fastdds::dds::InstanceStateKind::ALIVE_INSTANCE_STATE)
+        if (sample_info.instance_state == eprosima::fastdds::dds::InstanceStateKind::ALIVE)
         {
             graphCache_.update_participant_entities(entities_info);
         }
@@ -639,52 +670,6 @@ void GraphManager::ParticipantListener::on_participant_discovery(
     }
 }
 
-static eprosima::fastdds::dds::DataWriterQos writer_qos_conversion(
-    const eprosima::fastdds::dds::WriterQos& writer_qos)
-{
-    eprosima::fastdds::dds::DataWriterQos datawriter_qos;
-    datawriter_qos.durability(writer_qos.m_durability);
-    datawriter_qos.durability_service(writer_qos.m_durabilityService);
-    datawriter_qos.deadline(writer_qos.m_deadline);
-    datawriter_qos.latency_budget(writer_qos.m_latencyBudget);
-    datawriter_qos.liveliness(writer_qos.m_liveliness);
-    datawriter_qos.reliability(writer_qos.m_reliability);
-    datawriter_qos.destination_order(writer_qos.m_destinationOrder);
-    datawriter_qos.lifespan(writer_qos.m_lifespan);
-    datawriter_qos.user_data(writer_qos.m_userData);
-    datawriter_qos.ownership(writer_qos.m_ownership);
-    datawriter_qos.ownership_strength(writer_qos.m_ownershipStrength);
-    datawriter_qos.publish_mode(writer_qos.m_publishMode);
-    datawriter_qos.representation(writer_qos.representation);
-    datawriter_qos.data_sharing(writer_qos.data_sharing);
-
-    return datawriter_qos;
-}
-
-static eprosima::fastdds::dds::DataReaderQos reader_qos_conversion(
-    const eprosima::fastdds::dds::ReaderQos& reader_qos)
-{
-    eprosima::fastdds::dds::DataReaderQos datareader_qos;
-
-    datareader_qos.durability(reader_qos.m_durability);
-    datareader_qos.deadline(reader_qos.m_deadline);
-    datareader_qos.latency_budget(reader_qos.m_latencyBudget);
-    datareader_qos.liveliness(reader_qos.m_liveliness);
-    datareader_qos.reliability(reader_qos.m_reliability);
-    datareader_qos.destination_order(reader_qos.m_destinationOrder);
-    datareader_qos.user_data(reader_qos.m_userData);
-    datareader_qos.ownership(reader_qos.m_ownership);
-    datareader_qos.time_based_filter(reader_qos.m_timeBasedFilter);
-    datareader_qos.lifespan(reader_qos.m_lifespan);
-    datareader_qos.durability_service(reader_qos.m_durabilityService);
-    eprosima::fastdds::dds::TypeConsistencyQos consistency;
-    consistency.type_consistency = reader_qos.type_consistency;
-    datareader_qos.type_consistency(consistency);
-    datareader_qos.data_sharing(reader_qos.data_sharing);
-
-    return datareader_qos;
-}
-
 template <>
 void GraphManager::ParticipantListener::process_discovery_info<eprosima::fastrtps::rtps::ReaderDiscoveryInfo>(
         const eprosima::fastrtps::rtps::ReaderDiscoveryInfo& reader_info)
@@ -701,7 +686,7 @@ void GraphManager::ParticipantListener::process_discovery_info<eprosima::fastrtp
             const std::string type_name = reader_info.info.typeName().to_string();
 
             graphManager_from_->add_datareader(reader_info.info.guid(), topic_name, type_name,
-                iHandle2GUID(reader_info.info.RTPSParticipantKey()), reader_qos_conversion(reader_info.info.m_qos));
+                iHandle2GUID(reader_info.info.RTPSParticipantKey()), reader_info.info.m_qos);
             break;
         }
         default:
@@ -728,7 +713,7 @@ void GraphManager::ParticipantListener::process_discovery_info<eprosima::fastrtp
             const std::string type_name = writer_info.info.typeName().to_string();
 
             graphManager_from_->add_datawriter(writer_info.info.guid(), topic_name, type_name,
-                iHandle2GUID(writer_info.info.RTPSParticipantKey()), writer_qos_conversion(writer_info.info.m_qos));
+                iHandle2GUID(writer_info.info.RTPSParticipantKey()), writer_info.info.m_qos);
             break;
         }
         default:

micro_ros_agent/src/agent/graph_manager/graph_typesupport.cpp

@@ -43,7 +43,7 @@ ParticipantEntitiesInfoTypeSupport::ParticipantEntitiesInfoTypeSupport()
     ss << "dds_::" << message_name << "_";
     this->setName(ss.str().c_str());
 
-    char full_bounded;
+    bool full_bounded = true;
     m_typeSize = 4 + callbacks_->max_serialized_size(full_bounded);
 }
 
@@ -135,7 +135,7 @@ MicrorosGraphInfoTypeSupport::MicrorosGraphInfoTypeSupport()
     ss << "dds_::" << message_name << "_";
     this->setName(ss.str().c_str());
 
-    char full_bounded;
+    bool full_bounded = true;
     m_typeSize = 4 + callbacks_->max_serialized_size(full_bounded);
 }
 

snap/local/fastdds_no_shared_memory.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+    <profiles xmlns="http://www.eprosima.com/XMLSchemas/fastRTPS_Profiles" >
+        <transport_descriptors>
+            <transport_descriptor>
+                <transport_id>CustomUdpTransport</transport_id>
+                <type>UDPv4</type>
+            </transport_descriptor>
+        </transport_descriptors>
+
+        <participant profile_name="participant_profile" is_default_profile="true">
+            <rtps>
+                <userTransports>
+                    <transport_id>CustomUdpTransport</transport_id>
+                </userTransports>
+
+                <useBuiltinTransports>false</useBuiltinTransports>
+            </rtps>
+        </participant>
+    </profiles>

snap/local/micro-ros-agent-daemon

@@ -24,4 +24,4 @@ if [ -n "$p2p_port" ]; then
 	set -- --p2p "$p2p_port" "$@"
 fi
 
-exec "$SNAP/lib/micro_ros_agent/micro_ros_agent" "$transport" "$@"
+exec "$SNAP/opt/ros/snap/lib/micro_ros_agent/micro_ros_agent" "$transport" "$@"

snap/snapcraft.yaml

@@ -1,12 +1,10 @@
 name: micro-ros-agent
+adopt-info: uros-agent # parse metadata from the uros-agent part
 base: core20
-version: git
 summary: Bridge between Micro ROS client applications and ROS 2
 description: |
   Micro-ROS, whose default implementation is based on eProsima's
-  Micro XRCE-DDS middleware, is composed of client applications
-  which interact with the ROS 2 world by means of an Agent.
-  This agent keeps tracks of the entities created by means of
+  Micro XRCE-DDS middleware, is composed of client applications which interact with the ROS 2 world by means of an Agent.  This agent keeps tracks of the entities created by means of
   requests performed on the microcontroller side, and uses them
   to communicate with the ROS 2 dataspace.
 
@@ -71,16 +69,6 @@ description: |
 
         $ snap set micro-ros-agent device="device path"
 
-  If connecting the micro-ROS Agent using an IP based connection mode,
-  that is, `udp4`, `udp6`, `tcp4` or `tcp6`, care must be taken to
-  connect first the `micro-ros-agent-shm-netplug` plug.
-  This is due to the fact that ROS 2 Foxy is using Fast-DDS as the
-  default DDS middleware, and Fast-DDS comes with *shared memory transport*.
-  Thus, this plugin must be enabled, in order to gain access to the
-  `/dev/shm` folder from the snap image, prior to running it:
-
-      $ sudo snap connect micro-ros-agent:micro-ros-agent-shm-netplug
-
   When using the snap with a serial device, some steps need to be taken
   in order to establish a successful connection:
 
@@ -111,7 +99,6 @@ description: |
   After this, you can execute your snap as usual,
   using `sudo micro-ros-agent serial -d <serial-dev>`.
 
-grade: stable
 confinement: strict
 
 architectures:
@@ -121,48 +108,43 @@ architectures:
   - build-on: ppc64el
 
 parts:
-
   uros-agent:
     plugin: colcon
     source: .
-    override-build: |
-        set +u
-        git clone https://github.com/eProsima/Micro-XRCE-DDS-Agent.git -b $ROS_DISTRO
-        git clone https://github.com/eProsima/Micro-CDR.git -b $ROS_DISTRO
-        git clone https://github.com/micro-ROS/micro_ros_msgs.git -b $ROS_DISTRO
-        git clone https://github.com/micro-ROS/rosidl_typesupport_microxrcedds.git -b $ROS_DISTRO
-        git clone https://github.com/micro-ROS/rmw-microxrcedds.git -b $ROS_DISTRO
-        git clone https://github.com/micro-ROS/micro-ROS-Agent.git -b $ROS_DISTRO
-        . /opt/ros/$ROS_DISTRO/setup.sh
-        colcon build --merge-install --install-base $SNAPCRAFT_PRIME --cmake-args "-DUAGENT_BUILD_EXECUTABLE=OFF -DUAGENT_USE_SYSTEM_FASTDDS=ON" --packages-up-to micro_ros_agent
-        set -u
-    build-packages: [make, gcc, g++]
+    colcon-cmake-args:
+      - -DMICROROSAGENT_SUPERBUILD=ON
+      - --cmake-force-configure
+    override-pull: |
+        snapcraftctl pull
+
+        version="$(git describe --always --tags| sed -e 's/^v//;s/-/+git/;y/-/./')"
+        [ -n "$(echo $version | grep "+git")" ] && grade=devel || grade=stable
+        snapcraftctl set-version "$version"
+        snapcraftctl set-grade "$grade"
+
+    build-packages: [make, gcc, g++, git]
     stage-packages: [ros-foxy-ros2launch]
 
   runner:
     plugin: dump
     source: snap/local/
     organize:
-      '*': usr/bin/
-
-plugs:
-  micro-ros-agent-shm-netplug:
-    interface: system-files
-    allow-auto-connection: true
-    write:
-      - /dev/shm
+      'micro-ros-agent-daemon': usr/bin/
+      'fastdds_no_shared_memory.xml': usr/share/
 
 apps:
   micro-ros-agent:
-    command: lib/micro_ros_agent/micro_ros_agent
+    command: opt/ros/snap/lib/micro_ros_agent/micro_ros_agent
     environment:
-        LD_LIBRARY_PATH: "$LD_LIBRARY_PATH:$SNAP/lib"
-    plugs: [network, network-bind, serial-port, micro-ros-agent-shm-netplug]
+        FASTRTPS_DEFAULT_PROFILES_FILE: ${SNAP}/usr/share/fastdds_no_shared_memory.xml
+    plugs: [network, network-bind, serial-port]
     extensions: [ros2-foxy]
 
   daemon:
     command: usr/bin/micro-ros-agent-daemon
     environment:
-        LD_LIBRARY_PATH: "$LD_LIBRARY_PATH:$SNAP/lib"
+        FASTRTPS_DEFAULT_PROFILES_FILE: ${SNAP}/usr/share/fastdds_no_shared_memory.xml
     daemon: simple
-    plugs: [network, network-bind, serial-port, micro-ros-agent-shm-netplug]
+    plugs: [network, network-bind, serial-port]
+    extensions: [ros2-foxy]
+