Solutions

How do I minimize the memory footprint and avoid dynamic memory allocation?

Note: Applies to RTI Connext 4.x and above. The first and foremost step to reducing the memory footprint is an architectural review. The number of topics, the queue sizes, whether or not you use keys, the number of domains, or the usage of partitions have a great impact on the memory footprint of ...
gianpiero
Thu, 01/17/2013 - 12:19
6397 reads — 0 comments

Why do I see a Java 'usage' error when I run rtiddsgen on Windows?

The short answer is that you need to remove the trailing backslash from your NDDSHOME environment variable. The rtiddsgen code generator calls a Java program within a batch script. This script passes %NDDSHOME% as a define argument to java. If NDDSHOME ends with a backslash, the shell escapes the ...
gianpiero
Thu, 01/17/2013 - 12:15
5643 reads — 0 comments

At what OSI layers does RTI Connext operate?

RTI Connext operates across the host layers (4,5,6,7) using an existing Network, Data Link and Physical layer. RTI Connext's Layer 4 interaction is a little bit open to interpretation; RTI Connext uses an existing layer 4 transport (UDP). The RTPS protocol adds reliability and other QoS to it to ...
alex
Thu, 01/17/2013 - 12:12
6151 reads — 0 comments

How do I eliminate the long startup delay on some VxWorks targets with no file system?

Note: Applies to RTI Connext 4.x and above. RTI Connext calls fopen() to load the default XML and NDDS_DISCOVERY_PEERS files if they exist. On some VxWorks targets that either have no file system or use NFS, FTP, or some other network-based file system, and the file system is not mounted, RTI ...
ken
Thu, 01/17/2013 - 12:10
4595 reads — 0 comments

Why do I see a "CapturingAgentManager initialized" message when I start RTI Analyzer?

The following error may appear when you upgrade or install a new version of RTI Analyzer over the same workspace that was used by a previous version of RTI Analyzer. CapturingAgentManager initialized, but did not find any valid capturing agent installed Creating a new workspace should fix the ...
Ran
Thu, 01/17/2013 - 12:08
3436 reads — 0 comments

Why does rtiddsgen require a C preprocessor for its code generation? Why does rtiddsgen try to locate cc1plus?

Before processing an IDL file, rtiddsgen attempts to run a C preprocessor to support #if tests and related preprocessor directives. There are several options you can pass to rtiddsgen to control preprocessor use, including: -ppDisable (formerly -ppNotRun ) : Don't use the C preprocessor -ppPath : ...
alex
Thu, 01/17/2013 - 12:07
3862 reads — 0 comments

Why is multicast not working on my LynxOS target?

Note: Applies to NDDS 3.x, RTI Connext 4.x and above. The LynxOS 4.0 IP stack (and many other BSD-derived network stacks) will fail to send multicast messages unless there is an entry in the routing table that matches the destination multicast IP address. In practice, this means that either: a ...
memo.salas
Thu, 01/17/2013 - 12:07
4280 reads — 0 comments

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