File _service:obs_scm:README.en.md of Package rmw - 开源软件构建与测试

File _service:obs_scm:README.en.md of Package rmw

# rmw

#### Description
Contains the ROS middleware API.

#### Software Architecture
Software architecture description
https://github.com/ros2/rmw.git

input:
```
rmw
|-- CONTRIBUTING.md
|-- LICENSE
|-- README.md
|-- rmw
|   |-- CHANGELOG.rst
|   |-- CMakeLists.txt
|   |-- Doxyfile
|   |-- QUALITY_DECLARATION.md
|   |-- README.md
|   |-- cmake
|   |   |-- configure_rmw_library.cmake
|   |   |-- get_rmw_typesupport.cmake
|   |   `-- register_rmw_implementation.cmake
|   |-- include
|   |   `-- rmw
|   |       |-- allocators.h
|   |       |-- convert_rcutils_ret_to_rmw_ret.h
|   |       |-- domain_id.h
|   |       |-- error_handling.h
|   |       |-- event.h
|   |       |-- get_node_info_and_types.h
|   |       |-- get_service_names_and_types.h
|   |       |-- get_topic_endpoint_info.h
|   |       |-- get_topic_names_and_types.h
|   |       |-- impl
|   |       |   |-- config.h
|   |       |   `-- cpp
|   |       |       |-- demangle.hpp
|   |       |       |-- key_value.hpp
|   |       |       `-- macros.hpp
|   |       |-- incompatible_qos_events_statuses.h
|   |       |-- init.h
|   |       |-- init_options.h
|   |       |-- localhost.h
|   |       |-- macros.h
|   |       |-- message_sequence.h
|   |       |-- names_and_types.h
|   |       |-- publisher_options.h
|   |       |-- qos_profiles.h
|   |       |-- ret_types.h
|   |       |-- rmw.h
|   |       |-- sanity_checks.h
|   |       |-- security_options.h
|   |       |-- serialized_message.h
|   |       |-- subscription_options.h
|   |       |-- topic_endpoint_info.h
|   |       |-- topic_endpoint_info_array.h
|   |       |-- types.h
|   |       |-- validate_full_topic_name.h
|   |       |-- validate_namespace.h
|   |       |-- validate_node_name.h
|   |       `-- visibility_control.h
|   |-- package.xml
|   |-- rmw-extras.cmake
|   |-- src
|   |   |-- allocators.c
|   |   |-- convert_rcutils_ret_to_rmw_ret.c
|   |   |-- event.c
|   |   |-- init.c
|   |   |-- init_options.c
|   |   |-- message_sequence.c
|   |   |-- names_and_types.c
|   |   |-- publisher_options.c
|   |   |-- sanity_checks.c
|   |   |-- security_options.c
|   |   |-- subscription_options.c
|   |   |-- topic_endpoint_info.c
|   |   |-- topic_endpoint_info_array.c
|   |   |-- types.c
|   |   |-- validate_full_topic_name.c
|   |   |-- validate_namespace.c
|   |   `-- validate_node_name.c
|   `-- test
|       |-- CMakeLists.txt
|       |-- test_allocators.cpp
|       |-- test_convert_rcutils_ret_to_rmw_ret.cpp
|       |-- test_event.cpp
|       |-- test_init.cpp
|       |-- test_init_options.cpp
|       |-- test_loaned_message_sequence.cpp
|       |-- test_message_sequence.cpp
|       |-- test_names_and_types.cpp
|       |-- test_publisher_options.cpp
|       |-- test_sanity_checks.cpp
|       |-- test_security_options.cpp
|       |-- test_serialized_message.cpp
|       |-- test_subscription_options.cpp
|       |-- test_topic_endpoint_info.cpp
|       |-- test_topic_endpoint_info_array.cpp
|       |-- test_types.cpp
|       |-- test_validate_full_topic_name.cpp
|       |-- test_validate_namespace.cpp
|       |-- test_validate_node_name.cpp
|       `-- time_bomb_allocator_testing_utils.h
`-- rmw_implementation_cmake
    |-- CHANGELOG.rst
    |-- CMakeLists.txt
    |-- README.md
    |-- cmake
    |   |-- call_for_each_rmw_implementation.cmake
    |   |-- get_available_rmw_implementations.cmake
    |   `-- get_default_rmw_implementation.cmake
    |-- package.xml
    `-- rmw_implementation_cmake-extras.cmake
```
#### Installation

1.  Download RPM

aarch64:

```
wget https://117.78.1.88/build/home:Chenjy3_22.03/openEuler_22.03_LTS_standard_aarch64/aarch64/rmw/ros2-foxy-ros2-rmw-1.0.3-2.oe2203.aarch64.rpm
```

x86_64:

```
wget https://117.78.1.88/build/home:Chenjy3_22.03/openEuler_22.03_LTS_standard_x86_64/x86_64/rmw/ros2-foxy-ros2-rmw-1.0.3-2.oe2203.x86_64.rpm
```

2.  Install RPM

aarch64:

```
sudo rpm -ivh --nodeps --force ros2-foxy-ros2-rmw-1.0.3-2.oe2203.aarch64.rpm
```

x86_64:

```
sudo rpm -ivh --nodeps --force ros2-foxy-ros2-rmw-1.0.3-2.oe2203.x86_64.rpm
```

#### Instructions

Dependence installation:

```
sh /opt/ros/foxy/install_dependence.sh
```

Exit the following output file under the /opt/ros/foxy/ directory,Prove that the software installation is successful.

output:

```
.
├── include
│   └── rmw
│       └── rmw.h
└── share
    ├── colcon-core
    │   └── packages
    └── rmw
        ├── cmake
        ├── environment
        ├── hook
        ├── local_setup.bash
        ├── local_setup.dsv
        ├── local_setup.sh
        ├── local_setup.zsh
        ├── package.bash
        ├── package.dsv
        ├── package.ps1
        ├── package.sh
        ├── package.xml
        └── package.zsh
```

#### Contribution

1.  Fork the repository
2.  Create Feat_xxx branch
3.  Commit your code
4.  Create Pull Request

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1.  You can use Readme\_XXX.md to support different languages, such as Readme\_en.md, Readme\_zh.md
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