SampleInfo

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Wed, 02/05/2025 - 02:26

samiraghorbani2020

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Joined: 09/10/2022

Posts: 44

When source_timestamp set for sample?

Hello.

I use Reliable Qos. I want to check probable latency in receiving data by dataReader. For this purpose when one data received by dataReader in "sampleInfo" I calculate difference between "source_timestamp" and "reception_timestamp". For accuracy I want to know:

Is "source_timestamp" time that I call write(the_sample) in DataWriter? Or it is time that sample published from dataWriter's queu to the network?

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Wed, 07/11/2018 - 07:59

adb1210

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Posts: 2

Identical source_timestamp through middleware

Hi,

I am currently testing to latency of a middleware program. This program is subscribed and recieves a

sample from a custom publisher and a specific topic, which contains various primitive Java types. After

receiving a sample, the program alters the data to the user's choice (the middleware is already expecting a

sample that fits a certain object).

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Sat, 07/02/2016 - 07:44

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Posts: 23

SampleInfo and write_w_params

Hi,

I few questions regarding the relationship between the parameters in the sampleInfo struct and write_w_params (attached is the code I’m using).

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