ros::topic Namespace Reference

Classes
class	SubscribeHelper
Functions
template<class M >
boost::shared_ptr< M const >	waitForMessage (const std::string &topic, ros::NodeHandle &nh)
	Wait for a single message to arrive on a topic.
template<class M >
boost::shared_ptr< M const >	waitForMessage (const std::string &topic, ros::Duration timeout)
	Wait for a single message to arrive on a topic, with timeout.
template<class M >
boost::shared_ptr< M const >	waitForMessage (const std::string &topic)
	Wait for a single message to arrive on a topic.
template<class M >
boost::shared_ptr< M const >	waitForMessage (const std::string &topic, NodeHandle &nh, ros::Duration timeout)
	Wait for a single message to arrive on a topic, with timeout.
ROSCPP_DECL void	waitForMessageImpl (SubscribeOptions &ops, const boost::function< bool(void)> &ready_pred, NodeHandle &nh, ros::Duration timeout)
	Internal method, do not use.

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Function Documentation

template<class M >

boost::shared_ptr<M const> ros::topic::waitForMessage	(	const std::string &	topic,
		ros::NodeHandle &	nh
	)			[inline]

Wait for a single message to arrive on a topic.

Parameters:

	M	<template> The message type
	topic	The topic to subscribe on
	nh	The NodeHandle to use to do the subscription

Returns:

The message. Empty boost::shared_ptr if waitForMessage is interrupted by the node shutting down

Definition at line 130 of file topic.h.

template<class M >

boost::shared_ptr<M const> ros::topic::waitForMessage	(	const std::string &	topic,
		ros::Duration	timeout
	)			[inline]

Wait for a single message to arrive on a topic, with timeout.

Parameters:

	M	<template> The message type
	topic	The topic to subscribe on
	timeout	The amount of time to wait before returning if no message is received

Returns:

The message. Empty boost::shared_ptr if waitForMessage is interrupted by the node shutting down

Definition at line 115 of file topic.h.

template<class M >

boost::shared_ptr<M const> ros::topic::waitForMessage

(

const std::string &

topic

)

[inline]

Wait for a single message to arrive on a topic.

Parameters:

	M	<template> The message type
	topic	The topic to subscribe on

Returns:

The message. Empty boost::shared_ptr if waitForMessage is interrupted by the node shutting down

Definition at line 100 of file topic.h.

template<class M >

boost::shared_ptr<M const> ros::topic::waitForMessage	(	const std::string &	topic,
		NodeHandle &	nh,
		ros::Duration	timeout
	)			[inline]

Wait for a single message to arrive on a topic, with timeout.

Parameters:

	M	<template> The message type
	topic	The topic to subscribe on
	nh	The NodeHandle to use to do the subscription
	timeout	The amount of time to wait before returning if no message is received

Returns:

The message. Empty boost::shared_ptr if waitForMessage is interrupted by the node shutting down

Definition at line 81 of file topic.h.

void ros::topic::waitForMessageImpl	(	SubscribeOptions &	ops,
		const boost::function< bool(void)> &	ready_pred,
		NodeHandle &	nh,
		ros::Duration	timeout
	)

Internal method, do not use.

Definition at line 43 of file topic.cpp.