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1 | initial version |
Can you just use the information here?
http://www.ros.org/doc/api/roscpp/html/classros_1_1NodeHandle.html
If you go to your proper subscribe function you are using, it actually throws
InvalidNameException ConflictingSubscriptionException
and can check your "handle."
2 | No.2 Revision |
Can you just use the information here?
http://www.ros.org/doc/api/roscpp/html/classros_1_1NodeHandle.html
If you go to your proper subscribe function you are using, it actually throws two exceptions:
InvalidNameException
InvalidNameException & ConflictingSubscriptionException
and can check your "handle."