Public Member Functions | |
| def | __init__ (self) |
| def | publish (self, client_id, topic, msg, latch=False, queue_size=100) |
| def | register (self, client_id, topic, msg_type=None, latch=False, queue_size=100) |
| def | unregister (self, client_id, topic) |
| def | unregister_all (self, client_id) |
Public Attributes | |
| unregister_timeout | |
| unregister_timers | |
Private Member Functions | |
| def | _unregister_impl (self, topic) |
Private Attributes | |
| _publishers | |
The PublisherManager keeps track of ROS publishers It maintains a MultiPublisher instance for each registered topic When unregistering a client, if there are no more clients for a publisher, then that publisher is unregistered from the ROS Master
Definition at line 245 of file publishers.py.
| def rosbridge_library.internal.publishers.PublisherManager.__init__ | ( | self | ) |
Definition at line 254 of file publishers.py.
|
private |
Definition at line 321 of file publishers.py.
| def rosbridge_library.internal.publishers.PublisherManager.publish | ( | self, | |
| client_id, | |||
| topic, | |||
| msg, | |||
latch = False, |
|||
queue_size = 100 |
|||
| ) |
Publish a message on the given topic. Tries to create a publisher on the topic if one does not already exist. Keyword arguments: client_id -- the ID of the client making this request topic -- the topic to publish the message on msg -- a JSON-like dict of fields and values latch -- (optional) whether to make this publisher latched queue_size -- (optional) rospy publisher queue_size to use Throws: Exception -- a variety of exceptions are propagated. They can be thrown if there is a problem setting up or getting the publisher, or if the provided msg does not map to the msg class of the publisher.
Definition at line 336 of file publishers.py.
| def rosbridge_library.internal.publishers.PublisherManager.register | ( | self, | |
| client_id, | |||
| topic, | |||
msg_type = None, |
|||
latch = False, |
|||
queue_size = 100 |
|||
| ) |
Register a publisher on the specified topic. Publishers are shared between clients, so a single MultiPublisher instance is created per topic, even if multiple clients register. Keyword arguments: client_id -- the ID of the client making this request topic -- the name of the topic to publish on msg_type -- (optional) the type to publish latch -- (optional) whether to make this publisher latched queue_size -- (optional) rospy publisher queue_size to use Throws: Exception -- exceptions are propagated from the MultiPublisher if there is a problem loading the specified msg class or establishing the publisher
Definition at line 259 of file publishers.py.
| def rosbridge_library.internal.publishers.PublisherManager.unregister | ( | self, | |
| client_id, | |||
| topic | |||
| ) |
Unregister a client from the publisher for the given topic.
Will wait some time before actually unregistering, it is done in
_unregister_impl
If there are no clients remaining for that publisher, then the
publisher is unregistered from the ROS Master
Keyword arguments:
client_id -- the ID of the client making this request
topic -- the topic to unregister the publisher for
Definition at line 297 of file publishers.py.
| def rosbridge_library.internal.publishers.PublisherManager.unregister_all | ( | self, | |
| client_id | |||
| ) |
Unregisters a client from all publishers that they are registered to. Keyword arguments: client_id -- the ID of the client making this request
Definition at line 327 of file publishers.py.
|
private |
Definition at line 255 of file publishers.py.
| rosbridge_library.internal.publishers.PublisherManager.unregister_timeout |
Definition at line 257 of file publishers.py.
| rosbridge_library.internal.publishers.PublisherManager.unregister_timers |
Definition at line 256 of file publishers.py.