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NDDS_Transport_UDPv4_send:OS sendmsg() failure, error 0X65

Hi,

is there a document explaining error codes? What could cause the error mentioned above?

Best Ulrich

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DynamicData API usage for receiving arbitrary data on a topic

Hi,


I am trying to solve the following problem in C++ and would need some input on how to do this:
I want to create a data reader which listens on a specific topic name for arbitrary data coming in on this topic during runtime. Then I want to access a specific field of the received message (if it exists). I believe that this should be possible via the DynamicData API, but I just cannot figure out how to use it. A stripped down example would be like this (please consider it pseudo-code, it´s just there to illustrate the points I don´t get):

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