lifecycle_msgs

This package contains message and service definitions for managing lifecycle nodes. These messages and services form a standardized interface for transitioning these managed nodes through a known state-machine.

For more information about life cycle nodes see: design.ros2.org.

For more information about ROS 2 interfaces, see docs.ros.org.

Messages (.msg)

• State: A lifecycle node’s state-machine state.
• Transition: A state transition with specific id and label.
• TransitionDescription: A description of a transition from one state-machine state to another.
• TransitionEvent: A timestamped state transition.

Services (.srv)

• ChangeState: Request a node change states with a specific transition.
• GetAvailableStates: Request an array of states that this node can transition to.
• GetAvailableTransitions: Request an array of lifecycle state transitions available for this node.
• GetState: Request the current lifecycle state of this node.

Quality Declaration

This package claims to be in the Quality Level 1 category, see the Quality Declaration for more details.

Changelog for package lifecycle_msgs

1.6.0 (2023-04-18)

1.5.0 (2023-04-11)

1.4.0 (2023-02-13)

• Update common_interfaces to C++17. (#215) (#151)
• [rolling] Update maintainers - 2022-11-07 (#150)
• lifecycle_msgs: remove non-ASCII chars from field comments (#147)
• Contributors: Audrow Nash, Chris Lalancette, G.A. vd. Hoorn

1.3.1 (2022-09-09)

1.3.0 (2022-04-29)

1.2.0 (2022-03-01)

• Update maintainers to Chris Lalancette (#130)
• Contributors: Audrow Nash

1.1.0 (2021-08-06)

1.0.3 (2021-04-06)

• Change index.ros.org -> docs.ros.org. (#122)
• Updating Quality Declaration (#120)
• Contributors: Chris Lalancette, shonigmann

1.0.2 (2021-02-22)

• Update quality declaration to QL 1. (#116)
• Update package maintainers. (#112)
• Contributors: Chris Lalancette, Michel Hidalgo, Stephen Brawner

1.0.1 (2020-06-29)

• Increase Quality level of packages to 3 (#108)
• Add Security Vulnerability Policy pointing to REP-2006. (#106)
• Updating QD to reflect package versions (#107)
• Contributors: Chris Lalancette, brawner

1.0.0 (2020-05-26)

• Add quality declarations for each package except test_msgs (#92)
• Contributors: brawner

0.9.0 (2020-04-25)

0.8.0 (2019-09-26)

0.7.4 (2019-05-29)

0.7.3 (2019-05-20)

0.7.2 (2019-05-08)

0.7.1 (2019-04-26)

0.7.0 (2019-04-14)

0.6.2 (2019-01-11)

0.6.1 (2018-12-06)

0.6.0 (2018-11-16)

• delete TRANSITION_SHUTDOWN (#46)
• remove node name for lifecycle services (#39)
• use add_compile_options instead of setting only cxx flags
• Contributors: Karsten Knese, Mikael Arguedas

0.5.0 (2018-06-24)

0.4.0 (2017-12-08)

• member of rosidl_interfaces_packages group (#28)
• Contributors: Dirk Thomas, Karsten Knese, Mikael Arguedas