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add message when actually received data

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This commit is contained in:
Dirk Thomas 2014-08-13 10:57:23 -07:00
parent a1b0a33098
commit 1ae1dd2f2f
1 changed files with 5 additions and 1 deletions
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6
rclcpp/include/rclcpp/executor/SingleThreadExecutor.h
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@ -81,7 +81,11 @@ public:
// Do callback
std::cout << "Callback for subscriber of topic: " << subscriber->topic_name_ << std::endl;
const void *ros_msg = 0;
ros_middleware_interface::take(subscriber->subscriber_handle_, ros_msg);
bool taken = ros_middleware_interface::take(subscriber->subscriber_handle_, ros_msg);
if (taken)
{
std::cout << "- received message on topic: " << subscriber->topic_name_ << std::endl;
}
}
}
}