State Machine Diagram

Description

A completely minimal state machine example.
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Build Instructions

First, source your chosen ros2 distro.

source /opt/ros/rolling/setup.bash

source /opt/ros/humble/setup.bash

Before you build, make sure you’ve installed all the dependencies…

rosdep install --ignore-src --from-paths src -y -r

Then build with colcon build…

colcon build

Operating Instructions

After you build, remember to source the proper install folder…

source ~/workspace/humble_ws/install/setup.bash

And then run the launch file…

ros2 launch sm_atomic_http sm_atomic_http.launch

Viewer Instructions

If you have the SMACC2 Runtime Analyzer installed then type…

ros2 run smacc2_rta smacc2_rta

If you don’t have the SMACC2 Runtime Analyzer click here.

Changelog for package sm_atomic_http

2.3.19 (2025-06-17)

• Moved HTTP client behaviour to client library. Also added GET and POS… (#549)

  • Moved HTTP client behaviour to client library. Also added GET and POST-specific versions of the smacc HTTP client behaviour to make them easier to use
  • Added copyrights
  • Fixed typos

• Http client (#522)

  • Ported http work over from smacc1
  • Added example showasing http requests
  • Fixed some typos in the HTTP example
  • Made provision for HTTP GET/POST in the HTTP client
  • Moved HTTP client into the client_libraries folder and made separate compilation units. Modified examples to use this new client

  * Update smacc_action_client_base.hpp Pretty sure this change was made accidently.

  * Update smacc_action_client_base.hpp Messed up first commit

  * Update http_client.cpp Added License to file to clean up format error

  * Update http_client.cpp Found better Copyright & License for CI Format error.

  * Update cb_http_request.hpp Another little format error

  * Update sm_atomic_http.py Somehow a bracket became a cNode

  • • Fixed errors with HTTP requests not triggering,

  • Fixed response callback not triggering correctly and causing a crash

  • Fixed example not transitioning back to state 1 after a response has been received

  • Ported http work over from smacc1

  • Added example showasing http requests

  • Fixed some typos in the HTTP example

  • Made provision for HTTP GET/POST in the HTTP client

  • Moved HTTP client into the client_libraries folder and made separate compilation units. Modified examples to use this new client

  * Update http_client.cpp Added License to file to clean up format error

  * Update http_client.cpp Found better Copyright & License for CI Format error.

  * Update cb_http_request.hpp Another little format error

  * Update sm_atomic_http.py Somehow a bracket became a cNode

  • • Fixed errors with HTTP requests not triggering,

  • Fixed response callback not triggering correctly and causing a crash

  • Fixed example not transitioning back to state 1 after a response has been received

  • Added helper class to handle server name related interactions

  • Added SSL implementation, need to make provision for SSL and non-SSLD requests

  • Added SLL certs

  • Split the HTTp session class into own compile unit

  • Added HTTP session base class and implemented the SSL version. The client can decide between which session to initialise at runtime depending on the server set

  • Implemented non-ssl HTTP session for clients

  * Removing hard-coded ssl certs and using the default OpenSSL certs for verification

  • Run through formatter
  • Fix bad merge
  • Remove noisy changelog
  • Undo change that introduced and error
  • Added missing copyrights

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