Add rosnode and rostopic functionality #9
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Peer coded with @ahcorde. For now, only rosnode list functionality has been implemented, the rest of them have been left as a TODO. Code has been inspired by ROS 1 ros_comm package.
string has been hardcoded as the type that is echoed. Further work will enable other ROS msg types to be printed.
The purpose of pushing this changes is to have an adhoc "rostopic echo" functionality that helps our purposes in the development of H-ROS. A proper implementation should follow the strategy introduced in the implementation of ROS 1 for "rostopic echo". Relevant parts of this previous implementation have been included.
| import errno | ||
| import sys | ||
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| from optparse import OptionParser |
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We'll probably have to change this to argparse, we don't use optparse as it is obsolete (argparse was designed to replace it).
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