C++

Why do I get an OSSL_STORE API error and crash when creating a secure participant on Linux?

On Linux systems, if you are creating a DomainParticipant with Security Plugins enabled, and your application is linked to both TensorFlow and OpenSSL , you may see errors like this: RTI_Security_Util_uriToStringOssl:OpenSSL function PEM_write_bio_X509 failed with error: error:0c00009b:ASN.1 ...
grayson
Tue, 11/12/2024 - 10:05
63 reads — 0 comments

Verifying consistency between libraries and header files in Connext

The version of the Connext header files and Connext libraries is tied to each Connext release. The header files and libraries used for compiling your application must come from the same version of Connext. An inconsistency between versions might cause undefined behaviors such as segmentation faults ...
scardenete
Mon, 02/27/2023 - 03:26
1328 reads — 0 comments

How to uniquely identify a coherent set

Note : This article discusses the coherent_set_info field, which is only available in Connext Professional 6.1.0 and higher. The information about the coherent set that a sample belongs to is stored in the optional field coherent_set_info , which is part of the SampleInfo structure. This optional ...
plombardero
Tue, 05/10/2022 - 09:35
1824 reads — 0 comments

Using Connext Pro with Linux RT_PREEMPT Kernel

Connext applications can enjoy consistent "me-first" execution by running at an elevated priority on the Linux RT_PREEMPT kernel. RT_PREEMPT is a kernel enhancement that enables real-time preemption and settable priorities for processes and threads, similar to an RTOS. This can be put to use for ...
neil-rti
Tue, 10/12/2021 - 20:43
2357 reads — 0 comments

How to use the Real-Time WAN Transport

In Connext DDS Professional 6.1.0 and above, a new UDP-based transport is available for communicating over a wide area network (WAN). The Real-Time WAN Transport is a smart transport that enables secure, scalable, and high-performance communication over WANs, including public networks. Real-Time ...
grayson
Thu, 05/20/2021 - 13:03
3591 reads — 0 comments

Configuring Resource Limits in Connext DDS Micro

Unlike Connext DDS Professional, Connext DDS Micro only supports finite resource limits to ensure that memory growth is bounded. Configuring these limits is therefore an important part of the system design. Here are some considerations to help you determine the optimal resource limits: How many ...
lthesing
Thu, 12/17/2020 - 02:52
4034 reads — 0 comments

Integrating RTI Connext DDS Micro 3.0.3 with RTI Connext Tools 6.0.1

Some requirements for building a complex IIoT system are outside the scope of a stand-alone middleware. In order to support these system-level requirements, RTI created a suite of tools that accelerate development for the most complex use cases, including those using Connext DDS Micro due to ...
dryan
Wed, 11/04/2020 - 13:35
3136 reads — 0 comments

Why didn’t all my project files upgrade when moving from Visual Studio 2017 to Visual Studio 2019?

Since Visual Studio 2019 is binary-compatible with Visual Studio 2017, the Visual Studio 2017 libraries are used with Visual Studio 2019. However, one significant difference between the Visual Studio 2017 and Visual Studio 2019 libraries involves the Platform Toolset. The default Platform Toolset ...
dstockdill
Wed, 07/08/2020 - 14:14
3931 reads — 1 comment

Why do I get a PreconditionNotMetError when using plain_cast with FlatData?

The function plain_cast allows casting a buffer of bytes within a FlatData sample into a C++ instance of the type represented by that buffer. This allows for better performance and ease of use. However, for plain_cast to work, the data sample must meet a number of restrictions that essentially ...
jcpulido
Wed, 04/29/2020 - 03:13
2974 reads — 0 comments

How to enable logging within Modern C++ code

This article overviews how to enable logging within Modern C++ code. Logging options are illustrated via a simple example with hyperlinks to the relevant online documentation. The available logging options include: Logging Verbosity Level Logging by Category Logging Print Format Logging to a single ...
garyb
Wed, 12/04/2019 - 06:30
5113 reads — 0 comments

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