Package node_manager_fkie :: Module discovery_listener :: Class MasterStateTopic

Class MasterStateTopic

python_qt_binding.QtCore.QObject --+
                                   |
                                  MasterStateTopic

A class to receive the ROS master state updates from a ROS topic. The topic will be determine using master_discovery_fkie.interface_finder.get_changes_topic().

Instance Methods

registerByROS(self, masteruri, wait=False)
This method creates a ROS subscriber to received the notifications of ROS master updates.

source code

stop(self)
Unregister the subscribed topics

source code

handlerMasterStateMsg(self, msg)
The method to handle the received MasterState messages.

source code

Instance Variables
	state_signal = `Signal(MasterState)` a signal to inform the receiver about new master state.

Method Details

This method creates a ROS subscriber to received the notifications of ROS master updates. The retrieved messages will be emitted as state_signal.

Parameters:

Returns:

the topic name or an empty string

The method to handle the received MasterState messages. The received message will be emitted as state_signal.

Parameters:

Instance Variable Details

a signal to inform the receiver about new master state. Parameter: master_discovery_fkie.msg.MasterState

Value:

Signal(MasterState)