RTI Core Libraries and Utilities

Advanced data access using Connector (Javascript)

Introduction RTI Connector offers a simplified API to Data Distribution Service. Different than the full DDS API, this lightweight API does not offer a one-to-one data mapping between the published or subscribed to datatype defined by the language (Javascript/Python). For example, if you use the C ...
fabrizio
Thu, 02/13/2020 - 14:49
2179 reads — 0 comments

How to choose QNX target libraries

“Note: This article applies to Connext DDS Professional 4.x and above” The QNX operating system provides in its SDK a front-end that calls a GCC named “qcc”. In the end, qcc will call the compiler, set the correct flags and link libraries based on the parameters that you use. The SDK provides the C ...
pablov
Wed, 08/28/2019 - 09:04
5265 reads — 0 comments

How clocks are used by Connext DDS

Clock Types RTI Connext DDS uses two different clocks: Internal clock: Used to measure time and handle timing inside the middleware. External clock: Used to generate source and reception timestamps. Both clocks can be configured to use different implementations: Realtime (system): Adjustable by the ...
mihai@rti.com
Thu, 07/04/2019 - 04:01
6414 reads — 1 comment

What do I need to send Large Data successfully?

What is Large Data? "Large" is defined as data that cannot be sent as a single packet by a transport; that is, the data is larger than the maximum transmission unit (MTU). For example, to send data larger than 63K reliably using UDP/IP, you may want to follow the recommendations in this article. ...
isabel
Thu, 06/06/2019 - 09:36
6305 reads — 0 comments

Identifying Threads Used by RTI Connext DDS Professional

Note: This article applies to Connext DDS Professional 4.x and above. RTI Connext DDS Professional uses multiple internal threads for sending and receiving data, maintaining internal state, and calling user code when events occur. We recommend consulting the Connext User's Manual section ...
cristiangguerrero
Thu, 05/23/2019 - 10:28
6446 reads — 1 comment

NDDSUtility_sleep() issues on macOS systems

If you are running on a macOS® 10.9 (Mavericks) system (or higher), you may experience timing issues in your calls to NDDSUtility_sleep(). If you request to sleep for a small enough time period, you will notice that the actual sleep time is significantly longer. ...
Jesus Checa
Mon, 05/20/2019 - 07:10
2233 reads — 0 comments

How to use RTI Connext DDS to Communicate Across Docker Containers Using the Bridge Driver

This article explains how to run RTI Connext DDS in Docker using the network bridge driver. ...
Jesus Checa
Tue, 04/30/2019 - 06:51
12080 reads — 0 comments

Workaround for discovery failure between RTI Connext DDS Micro 2.4.11 and RTI Connext DDS 6.0.0

In RTI Connext DDS 6.0.0, the RTPS version has been changed to 2.3. This RTPS version is propagated during the discovery process and is verified by the receiving Connext DDS or Connext DDS Micro application to verify compatibility. In Connext DDS Micro 2.4.11 and earlier, this check is hard-coded ...
bobby
Wed, 04/10/2019 - 10:32
31688 reads — 0 comments

Dynamic Data: How to access multi-level nesting elements using C++11

Concept With this example, you will learn how to manage complex objects with several levels of nesting and different kinds of members programmatically on an unknown structure. RTIⓇ ConnextⓇ DDS provides tools to access the different members independently if they are a primitive type, struct type, ...
jmuros
Wed, 04/10/2019 - 09:45
2949 reads — 1 comment

Differences between the Modern and Traditional C++ APIs

The modern C++ API feels very different from the traditional one. Understanding a few key concepts and the main differences with respect to the traditional C++ API can help you write code that is much more concise and robust. The modern C++ API Conventions document describes the intended use of the ...
samr
Tue, 04/02/2019 - 05:05
7054 reads — 2 comments

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