Package node_manager_fkie :: Module discovery_listener :: Class MasterStatisticTopic

Class MasterStatisticTopic

       object --+            
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sip.simplewrapper --+        
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          sip.wrapper --+    
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     PyQt4.QtCore.QObject --+
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                           MasterStatisticTopic

A class to receive the connections statistics from a ROS topic. The topic will be determine using master_discovery_fkie.interface_finder.get_stats_topic()

Instance Methods

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

source code

stop(self)
Unregister the subscribed topics.

source code

handlerMasterStatsMsg(self, msg)
The method to handle the received LinkStatesStamped messages.

source code

Inherited from PyQt4.QtCore.QObject: __getattr__, blockSignals, childEvent, children, connect, connectNotify, customEvent, deleteLater, destroyed, disconnect, disconnectNotify, dumpObjectInfo, dumpObjectTree, dynamicPropertyNames, emit, event, eventFilter, findChild, findChildren, inherits, installEventFilter, isWidgetType, killTimer, metaObject, moveToThread, objectName, parent, property, pyqtConfigure, receivers, removeEventFilter, sender, senderSignalIndex, setObjectName, setParent, setProperty, signalsBlocked, startTimer, thread, timerEvent, tr, trUtf8

Inherited from sip.simplewrapper: __init__, __new__

Inherited from object: __delattr__, __format__, __getattribute__, __hash__, __reduce__, __reduce_ex__, __repr__, __setattr__, __sizeof__, __str__, __subclasshook__

Class Variables
Inherited from `PyQt4.QtCore.QObject`: `staticMetaObject`

Instance Variables

stats_signal(...)
a signal with a list of link states to discovered ROS masters.

source code

Properties
Inherited from `object`: `__class__`

Method Details

registerByROS(self, masteruri, wait=False)

source code

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

Parameters:

masteruri (str) - the ROS master URI
wait (boolean) - wait for the topic

handlerMasterStatsMsg(self, msg)

source code

The method to handle the received LinkStatesStamped messages. The received message will be emitted as stats_signal.

Parameters:

msg (master_discovery_fkie.LinkStatesStamped) - the received message

Instance Variable Details

stats_signal(...)

source code

a signal with a list of link states to discovered ROS masters. Paramter: master_discovery_fkie.msg.LinkStatesStamped