gazebo::transport::Publication Class Reference

A publication for a topic. More...

#include <transport/transport.hh>

Public Member Functions
	Publication (const std::string &_topic, const std::string &_msgType)
	Constructor.
virtual	~Publication ()
	Destructor.
void	AddPublisher (PublisherPtr _pub)
	Add a publisher.
void	AddSubscription (const CallbackHelperPtr &_callback)
	Subscribe a callback to our topic.
void	AddSubscription (const NodePtr &_node)
	Subscribe a node to our topic.
void	AddTransport (const PublicationTransportPtr &_publink)
	Add a transport.
unsigned int	GetCallbackCount () const
	Get the number of callbacks.
bool	GetLocallyAdvertised () const
	Was the topic has been advertised from this process?
std::string	GetMsgType () const
	Get the type of message.
unsigned int	GetNodeCount () const
	Get the number of nodes.
unsigned int	GetRemoteSubscriptionCount ()
	Get the number of remote subscriptions.
unsigned int	GetTransportCount () const
	Get the number of transports.
bool	HasTransport (const std::string &_host, unsigned int _port)
	Does a given transport exist?
void	LocalPublish (const std::string &_data)
	Publish data to local subscribers (skip serialization)
void	Publish (const google::protobuf::Message &_msg, const boost::function< void()> &_cb=NULL)
	Publish data to remote subscribers.
void	RemoveSubscription (const NodePtr &_node)
	Unsubscribe a node from our topic.
void	RemoveSubscription (const std::string &_host, unsigned int _port)
	Unsubscribe a a node by host/port from our topic.
void	RemoveTransport (const std::string &_host, unsigned int _port)
	Remove a transport.
void	SetLocallyAdvertised (bool _value)
	Set whether this topic has been advertised from this process.

Detailed Description

A publication for a topic.

This facilitates transport of messages

Constructor & Destructor Documentation

gazebo::transport::Publication::Publication	(	const std::string &	_topic,
		const std::string &	_msgType
	)

Constructor.

Parameters

[in]	_topic	The topic we're publishing
[in]	_msgType	The type of the topic we're publishing

virtual gazebo::transport::Publication::~Publication ( )

virtual

Destructor.

Member Function Documentation

void gazebo::transport::Publication::AddPublisher

(

PublisherPtr

_pub

)

Add a publisher.

Parameters

[in,out]

_pub

Pointer to publisher object to be added

Referenced by gazebo::transport::TopicManager::Advertise().

void gazebo::transport::Publication::AddSubscription

(

const CallbackHelperPtr &

_callback

)

Subscribe a callback to our topic.

Parameters

[in]

_callback

The callback

Referenced by gazebo::transport::TopicManager::Advertise().

void gazebo::transport::Publication::AddSubscription

(

const NodePtr &

_node

)

Subscribe a node to our topic.

Parameters

[in]

_node

The node

void gazebo::transport::Publication::AddTransport

(

const PublicationTransportPtr &

_publink

)

Add a transport.

Parameters

[in]

_publink

Pointer to publication transport object to be added

unsigned int gazebo::transport::Publication::GetCallbackCount

(

)

const

Get the number of callbacks.

Returns

The number of callbacks

bool gazebo::transport::Publication::GetLocallyAdvertised

(

)

const

Was the topic has been advertised from this process?

Returns

true if the topic has been advertised from this process, false otherwise

Referenced by gazebo::transport::TopicManager::Advertise().

std::string gazebo::transport::Publication::GetMsgType

(

)

const

Get the type of message.

Returns

The type of message

unsigned int gazebo::transport::Publication::GetNodeCount

(

)

const

Get the number of nodes.

Returns

The number of nodes

unsigned int gazebo::transport::Publication::GetRemoteSubscriptionCount

(

)

Get the number of remote subscriptions.

Returns

The number of remote subscriptions

unsigned int gazebo::transport::Publication::GetTransportCount

(

)

const

Get the number of transports.

Returns

The number of transports

bool gazebo::transport::Publication::HasTransport	(	const std::string &	_host,
		unsigned int	_port
	)

Does a given transport exist?

Parameters

[in]	_host	Hostname of the transport
[in]	_port	Port of the transport

Returns

true if the transport exists, false otherwise

void gazebo::transport::Publication::LocalPublish

(

const std::string &

_data

)

Publish data to local subscribers (skip serialization)

Parameters

[in]

_data

The data to be published

void gazebo::transport::Publication::Publish	(	const google::protobuf::Message &	_msg,
		const boost::function< void()> &	_cb = NULL
	)

Publish data to remote subscribers.

Parameters

[in]	_msg	Message to be published
[in]	_cb	If non-null, callback to be invoked after publishing is completed

void gazebo::transport::Publication::RemoveSubscription

(

const NodePtr &

_node

)

Unsubscribe a node from our topic.

Parameters

[in]

_node

The node

void gazebo::transport::Publication::RemoveSubscription	(	const std::string &	_host,
		unsigned int	_port
	)

Unsubscribe a a node by host/port from our topic.

Parameters

[in]	_host	The node's hostname
[in]	_port	The node's port

void gazebo::transport::Publication::RemoveTransport	(	const std::string &	_host,
		unsigned int	_port
	)

Remove a transport.

Parameters

[in]	_host	The transport's hostname
[in]	_port	The transport's port

void gazebo::transport::Publication::SetLocallyAdvertised

(

bool

_value

)

Set whether this topic has been advertised from this process.

Parameters

[in]

_value

If true, the topic was locally advertise, otherwise it was not

Referenced by gazebo::transport::TopicManager::Advertise().

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

• Publication.hh