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[ROS2] Is there a function to obtain message size of a ROS2 message in C++? [closed]

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asked 2019-07-29 13:56:38 -0600

ahtsan
82 ●10 ●14 ●20

This could be useful when optimizing system performance.

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Closed for the following reason the question is answered, right answer was accepted by ahtsan
close date 2020-07-27 18:09:46.225985

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By size, do you mean the size of a message once it it serialized?

sloretz ( 2019-07-31 15:02:35 -0600 )edit

Yes, if that means the same as the throughput of a publisher if the publisher published that message.

ahtsan ( 2019-07-31 15:06:46 -0600 )edit

Just want to confirm: Is it not possible at this stage? Will it be supported later?

ahtsan ( 2019-08-01 11:12:10 -0600 )edit

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answered 2019-08-01 11:59:44 -0600

Dirk Thomas
15201 ●48 ●173 ●196

Currently there is no API to determine the wire size of a message. And it isn't planned to implement that feature.

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Asked: 2019-07-29 13:56:38 -0600

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Last updated: Aug 01 '19

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