rosgrapher.grapher.Grapher Class Reference

List of all members.

Public Member Functions
def	__init__
def	start
def	stop
Private Member Functions
def	_poller_callback
def	_update
Private Attributes
	_master
	_NAME
	_old_nodes
	_old_topics
	_poller_timer
	_publisher
	_seq

---

Detailed Description

Publishes a latched ros_topology_msgs/Graph message describing the system state.
Grapher uses the xmlrpc api to query information from the master and from individual nodes.
Only one instance of this node should be run at a time.
Information is only published when a change is detected.

Definition at line 29 of file grapher.py.

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Constructor & Destructor Documentation

def rosgrapher.grapher.Grapher.__init__	(		self,
			name = None
	)

Definition at line 35 of file grapher.py.

---

Member Function Documentation

def rosgrapher.grapher.Grapher._poller_callback	(		self,
			event
	)		[private]

Queries the state of the system using xmlrpc calls, and checks for changes 

Definition at line 61 of file grapher.py.

def rosgrapher.grapher.Grapher._update	(		self,
			nodes,
			topics
	)		[private]

Publishes updated topology information 

Definition at line 157 of file grapher.py.

def rosgrapher.grapher.Grapher.start

(

self

)

Definition at line 54 of file grapher.py.

def rosgrapher.grapher.Grapher.stop

(

self

)

Definition at line 57 of file grapher.py.

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Member Data Documentation

rosgrapher::grapher.Grapher::_master [private]

Definition at line 35 of file grapher.py.

rosgrapher::grapher.Grapher::_NAME [private]

Definition at line 35 of file grapher.py.

rosgrapher::grapher.Grapher::_old_nodes [private]

Definition at line 35 of file grapher.py.

rosgrapher::grapher.Grapher::_old_topics [private]

Definition at line 35 of file grapher.py.

rosgrapher::grapher.Grapher::_poller_timer [private]

Definition at line 35 of file grapher.py.

rosgrapher::grapher.Grapher::_publisher [private]

Definition at line 35 of file grapher.py.

rosgrapher::grapher.Grapher::_seq [private]

Definition at line 35 of file grapher.py.

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The documentation for this class was generated from the following file:

• grapher.py