ROS is a protocol built on top of XMLRPC and transport layers which
currently use either TCP or UDP.  If you wanted to reimplement the topic
portion of roscpp you could, but it's a lot more than just creating a socket
connection.

Josh

2010/6/17 <ros_user@yahoo.co.jp>

> Hello all,
>
> I am new comer in ROS.
>
> I just finished the tutorial and made Publisher and Subscriber node.
>
> Here is a question.
>
> Can I subscribe messages from normal C++ code without ROS?
> For instance, I want to subscribe "chatter" topic in the tutorial with
> normal socket connection (without ROS subscribe method).
>
> If possible, how can I do it?
>
> Any information is welcome.
>
> Thanks in advance.
>
> Keisuke
>
>
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