gazebo_topics.py

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#!/usr/bin/env python

import rospy
from std_msgs.msg import Empty

class gazebo_topics():

        def __init__(self):
                #fake_diagnostics
                self.joy_usage_pub = rospy.Publisher("/joy_usage", Empty, queue_size=1)
                self.pc1_usage_pub = rospy.Publisher("/pc1_usage", Empty, queue_size=1)
                self.pc2_usage_pub = rospy.Publisher("/pc2_usage", Empty, queue_size=1)
                self.pc3_usage_pub = rospy.Publisher("/pc3_usage", Empty, queue_size=1)
                self.b1_usage_pub = rospy.Publisher("/b1_usage", Empty, queue_size=1)
                self.t1_usage_pub = rospy.Publisher("/t1_usage", Empty, queue_size=1)
                self.t2_usage_pub = rospy.Publisher("/t2_usage", Empty, queue_size=1)
                self.t3_usage_pub = rospy.Publisher("/t3_usage", Empty, queue_size=1)
                self.wifi_status_pub = rospy.Publisher("/wifi_status", Empty, queue_size=1)

                rospy.sleep(0.5)


if __name__ == "__main__":
        rospy.init_node('gazebo_topics')
        gt = gazebo_topics()
        rospy.loginfo("gazebo_topics running")

        rate = rospy.Rate(1)
        while not rospy.is_shutdown():
                msg = Empty()
                gt.joy_usage_pub.publish(msg)
                gt.pc1_usage_pub.publish(msg)
                gt.pc2_usage_pub.publish(msg)
                gt.pc3_usage_pub.publish(msg)
                gt.b1_usage_pub.publish(msg)
                gt.t1_usage_pub.publish(msg)
                gt.t2_usage_pub.publish(msg)
                gt.t3_usage_pub.publish(msg)
                gt.wifi_status_pub.publish(msg)
                try:
                        rate.sleep()
                except rospy.ROSInterruptException as e:
                        #print "ROSInterruptException"
                        pass