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Validate step size and RTF parameters #740

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merged 1 commit into from
Apr 5, 2021

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@luca-della-vedova luca-della-vedova commented Apr 5, 2021

🦟 Bug fix

Addresses #536 (comment)

Summary

Calling the set_physics service with only one parameter, i.e.:

ign service -s /world/sim_world/set_physics --reqtype ignition.msgs.Physics --reptype ignition.msgs.Boolean --timeout 2000 --req "real_time_factor: 1"

caused the other parameter to be set to the default value of 0. The function updating the physics parameters was not checking the values received and setting rtf / step size to 0 which would cause undefined behavior and sometimes crash the simulation.
This PR adds a check to the values and only updates them if they are strictly positive.

Checklist

  • Signed all commits for DCO
  • Added tests
  • Updated documentation (as needed)
  • Updated migration guide (as needed)
  • codecheck passed (See contributing)
  • All tests passed (See test coverage)
  • While waiting for a review on your PR, please help review another open pull request to support the maintainers

Note to maintainers: Remember to use Squash-Merge

Only set them if they are strictly positive.

Signed-off-by: Luca Della Vedova <luca@openrobotics.org>
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Codecov Report

Merging #740 (9c09c19) into ign-gazebo4 (8301de8) will increase coverage by 0.08%.
The diff coverage is 94.11%.

❗ Current head 9c09c19 differs from pull request most recent head 8f33f48. Consider uploading reports for the commit 8f33f48 to get more accurate results
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@@               Coverage Diff               @@
##           ign-gazebo4     #740      +/-   ##
===============================================
+ Coverage        65.43%   65.51%   +0.08%     
===============================================
  Files              237      237              
  Lines            17210    17216       +6     
===============================================
+ Hits             11261    11279      +18     
+ Misses            5949     5937      -12     
Impacted Files Coverage Δ
src/SimulationRunner.cc 94.01% <94.11%> (+2.19%) ⬆️

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peci1 commented Apr 5, 2021

I can confirm this PR allows setting each of the parameters separately from CLI without affecting the other parameter.

@chapulina chapulina merged commit 8567614 into ign-gazebo4 Apr 5, 2021
@chapulina chapulina deleted the fix/check_rtf_step_size branch April 5, 2021 22:47
scpeters added a commit that referenced this pull request May 19, 2021
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