def test_rosnode_ping_all(self):
import rosnode
cmd = 'rosnode'
pinged, unpinged = rosnode.rosnode_ping_all(verbose=False)
self.assert_('/rosout' in pinged)
with fakestdout() as b:
pinged, unpinged = rosnode.rosnode_ping_all(verbose=True)
self.assert_('xmlrpc reply' in b.getvalue())
self.assert_('/rosout' in pinged)
def update_nodes(self):
# first update the listed nodes by the ros master
self.listed_nodes = rosnode.get_node_names()
for listed_node in self.listed_nodes:
if listed_node not in self.tracked_nodes and not self.is_neglected_node(listed_node):
rospy.loginfo("Added '%s' to node_alive_server" % listed_node)
self.tracked_nodes.append(listed_node)
if listed_node not in self.seen_nodes:
self.seen_nodes.append(listed_node)
# then ping all nodes and check if they're online
self.alive_nodes = []
(ping_nodes, _) = rosnode_ping_all()
for alive_node in ping_nodes:
self.alive_nodes.append(alive_node)
def ping_check(ctx):
if not ctx.system_state or not ctx.nodes:
return
_, unpinged = rosnode.rosnode_ping_all()
return unpinged
def own_rosnode_cleanup():
pinged, unpinged = rosnode.rosnode_ping_all()
if unpinged:
master = rosgraph.Master(rosnode.ID)
# noinspection PyTypeChecker
rosnode.cleanup_master_blacklist(master, unpinged)
def ping_check(ctx):
if not ctx.system_state or not ctx.nodes:
return
_, unpinged = rosnode.rosnode_ping_all()
return unpinged
