Fix deprecation warnings for upcoming ROS Galactic release #631

jacobperron · 2021-03-17T22:25:43Z

Building against the latest version of rclcpp produces some deprecation warnings. This PR fixes warnings related to rclcpp::Duration construction (6b36efd) and rclcpp::Node::declare_parameter (7055b82).

Related tickets upstream, deprecating usage:

The second commit (7055b82) related to declare_parameter is not compatible with Foxy, so I recommend creating a new galactic-devel branch and we can retarget this PR.

If we are constructing from nanoseconds we must be explicit about the units. Signed-off-by: Jacob Perron <[email protected]>

If a default value is not provided, then we must specify the parameter type. Signed-off-by: Jacob Perron <[email protected]>

src/ros_filter.cpp

SteveMacenski · 2021-03-17T22:45:07Z

src/ros_filter.cpp

        first_measurement->topic_name_;
      // revertTo may invalidate first_measurement
-      if (!revertTo(first_measurement_time - rclcpp::Duration(1))) {
+      if (!revertTo(first_measurement_time - rclcpp::Duration(1ns))) {


@ayrton04 should this be 1ns, 1s, ...?

Thanks, I meant to ask the same question.

If I understand the equivalent ROS 1 code, it is also subtracting 1 nanosecond:

robot_localization/src/ros_filter.cpp

Line 611 in a2da33b

if (!revertTo(firstMeasurementTime - 1e-9)) // revertTo may invalidate firstMeasurement

So the PRs involved here are

https://github.com/cra-ros-pkg/robot_localization/pull/266/files

and

https://github.com/cra-ros-pkg/robot_localization/pull/279/files

The only reason we subtract any time at all is to ensure that we go to a measurement (presumably the first) that is before first_measurement_time. But we could also just change this to use >=:

robot_localization/src/ros_filter.cpp

Lines 3322 to 3323 in 3326e80

while (!filter_state_history_.empty() &&

filter_state_history_.back()->last_measurement_time_ > time)

If I had to guess (I didn't dig too far), the measurement times were likely stored as doubles originally, and the 1e-9 thing was just me being careful with floating point numbers. But ROS times have exact representations, so I think the 1e-9 could go, and we can change the revertTo reverse iteration to check for >= instead of just >.

However, that change could be outside of scope for this. It was meant to be 1 nanosecond, yes.

SteveMacenski · 2021-03-17T22:46:40Z

@jacobperron I opened a ros2 branch to target it to since those from_XYZ's aren't in foxy

Signed-off-by: Jacob Perron <[email protected]>

jacobperron · 2021-03-17T23:06:15Z

Hold up, there's more warnings in other files I've overlooked.

Signed-off-by: Jacob Perron <[email protected]>

jacobperron · 2021-03-18T00:15:53Z

Hold up, there's more warnings in other files I've overlooked.

Okay, I think I got them all.

src/robot_localization_estimator.cpp

SteveMacenski · 2021-03-18T00:53:26Z

Otherwise LGTM, waiting for Tom's response on that one comment

Signed-off-by: Jacob Perron <[email protected]>

src/ros_filter.cpp

When there is a NoParameterOverrideProvided exception, the parameter is not declared so we don't need to undeclare it. Signed-off-by: Jacob Perron <[email protected]>

ayrton04 · 2021-03-22T10:21:07Z

@SteveMacenski, feel free to merge. I know you said LGTM, but your review still had comments requested, so I re-requested your review.

Try-catches were added in #631 due to a new rclcpp feature enforcing static parameter. The behavior was later patched for this particular use-case in ros2/rclcpp#1673, so now we can avoid having to try-catch. Signed-off-by: Jacob Perron <[email protected]>

* Add missing message_filters dependency (#666) Headers from message_filters are included here: https://github.com/cra-ros-pkg/robot_localization/blob/67098c2341b5d1ccbcceb8eede60e79db74814a6/include/robot_localization/ros_robot_localization_listener.h\#L41-L42 Signed-off-by: Jacob Perron <[email protected]> * Remove try-catch blocks around declare_parameter (#663) Try-catches were added in #631 due to a new rclcpp feature enforcing static parameter. The behavior was later patched for this particular use-case in ros2/rclcpp#1673, so now we can avoid having to try-catch. Signed-off-by: Jacob Perron <[email protected]> Co-authored-by: Jacob Perron <[email protected]>

* Remove try-catch blocks around declare_parameter (#663) Try-catches were added in #631 due to a new rclcpp feature enforcing static parameter. The behavior was later patched for this particular use-case in ros2/rclcpp#1673, so now we can avoid having to try-catch. Signed-off-by: Jacob Perron <[email protected]> * Add missing message_filters dependency (#666) Headers from message_filters are included here: https://github.com/cra-ros-pkg/robot_localization/blob/67098c2341b5d1ccbcceb8eede60e79db74814a6/include/robot_localization/ros_robot_localization_listener.h\#L41-L42 Signed-off-by: Jacob Perron <[email protected]> * Revert "Enable QoS overrides (#657)" This reverts commit 2816e92. Co-authored-by: Jacob Perron <[email protected]>

jacobperron added 2 commits March 17, 2021 15:12

Fix deprecation warnings when constructing rclcpp::Duration objects

6b36efd

If we are constructing from nanoseconds we must be explicit about the units. Signed-off-by: Jacob Perron <[email protected]>

Fix deprecated calls to declare_parameter

7055b82

If a default value is not provided, then we must specify the parameter type. Signed-off-by: Jacob Perron <[email protected]>

SteveMacenski requested changes Mar 17, 2021

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jacobperron changed the base branch from foxy-devel to ros2 March 17, 2021 22:53

Refactor

ca9e807

Signed-off-by: Jacob Perron <[email protected]>

Fix other deprecated uses of rclcpp::Duration

afa37fa

Signed-off-by: Jacob Perron <[email protected]>

SteveMacenski reviewed Mar 18, 2021

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src/robot_localization_estimator.cpp Outdated Show resolved Hide resolved

Minor refactor

774841b

Signed-off-by: Jacob Perron <[email protected]>

jacobperron commented Mar 19, 2021

View reviewed changes

src/ros_filter.cpp Outdated Show resolved Hide resolved

Catch exceptions when no parameter override is provided

3326e80

When there is a NoParameterOverrideProvided exception, the parameter is not declared so we don't need to undeclare it. Signed-off-by: Jacob Perron <[email protected]>

jacobperron mentioned this pull request Mar 19, 2021

Document alternative for declaring an optional parameter ros2/rclcpp#1588

Closed

ayrton04 approved these changes Mar 22, 2021

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ayrton04 requested a review from SteveMacenski March 22, 2021 10:20

SteveMacenski approved these changes Mar 22, 2021

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SteveMacenski merged commit 9fba3e8 into cra-ros-pkg:ros2 Mar 22, 2021

jacobperron deleted the fix_deprecation_warnings branch March 22, 2021 18:48

jacobperron mentioned this pull request May 20, 2021

Remove try-catch blocks around declare_parameter #663

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Fix deprecation warnings for upcoming ROS Galactic release #631

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	while (!filter_state_history_.empty() &&
	filter_state_history_.back()->last_measurement_time_ > time)

Fix deprecation warnings for upcoming ROS Galactic release #631

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