iox::popo::SubscriberImpl

The SubscriberImpl class implements the typed subscriber API. More...

#include <iceoryx_posh/internal/popo/subscriber_impl.hpp>

Inherits from iox::popo::BaseSubscriber<>

Inherited by iox::popo::Subscriber< roudi::ServiceRegistry >

Public Types

	Name
using typename BaseSubscriberType::PortType	PortType
using SampleDeleter< PortType >	SubscriberSampleDeleter

Public Functions

	Name
	SubscriberImpl(const capro::ServiceDescription & service, const SubscriberOptions & subscriberOptions =SubscriberOptions())
	SubscriberImpl(const SubscriberImpl & other)
SubscriberImpl &	operator=(const SubscriberImpl & )
	SubscriberImpl(SubscriberImpl && rhs)
SubscriberImpl &	operator=(SubscriberImpl && rhs)
virtual	~SubscriberImpl()
cxx::expected< Sample< const T, const H >, ChunkReceiveResult >	take() Take the samples from the top of the receive queue.

Additional inherited members

Public Functions inherited from iox::popo::BaseSubscriber<>

	Name
virtual	~BaseSubscriber()
uid_t	getUid() const uid Get the unique ID of the subscriber.
capro::ServiceDescription	getServiceDescription() const getServiceDescription Get the service description of the subscriber.
void	subscribe() subscribe Initiate subscription.
SubscribeState	getSubscriptionState() const getSubscriptionState Get current subscription state.
void	unsubscribe() unsubscribe Unsubscribes if currently subscribed, otherwise do nothing.
bool	hasData() const Check if data is available.
bool	hasMissedData() Check if data has been missed since the last call of this method.
void	releaseQueuedData() Releases any unread queued data.

Protected Functions inherited from iox::popo::BaseSubscriber<>

	Name
	BaseSubscriber()
	BaseSubscriber(const capro::ServiceDescription & service, const SubscriberOptions & subscriberOptions)
	BaseSubscriber(const BaseSubscriber & other)
	BaseSubscriber(BaseSubscriber && rhs)
cxx::expected< const mepoo::ChunkHeader *, ChunkReceiveResult >	takeChunk() small helper method to unwrap the expected<optional<ChunkHeader*>> from the tryGetChunk method of the port
void	invalidateTrigger(const uint64_t trigger)
void	enableState(iox::popo::TriggerHandle && triggerHandle, const SubscriberState subscriberState) Only usable by the WaitSet, not for public use. Attaches the triggerHandle to the internal trigger.
WaitSetIsConditionSatisfiedCallback	getCallbackForIsStateConditionSatisfied(const SubscriberState subscriberState) const Only usable by the WaitSet, not for public use. Returns method pointer to the event corresponding hasTriggered method callback.
void	disableState(const SubscriberState subscriberState) Only usable by the WaitSet, not for public use. Resets the internal triggerHandle.
void	enableEvent(iox::popo::TriggerHandle && triggerHandle, const SubscriberEvent subscriberState) Only usable by the WaitSet, not for public use. Attaches the triggerHandle to the internal trigger.
void	disableEvent(const SubscriberEvent subscriberEvent) Only usable by the WaitSet, not for public use. Resets the internal triggerHandle.
const port_t &	port() const const accessor of the underlying port
port_t &	port() accessor of the underlying port

Protected Attributes inherited from iox::popo::BaseSubscriber<>

	Name
port_t	m_port
TriggerHandle	m_trigger

Friends inherited from iox::popo::BaseSubscriber<>

	Name
class	NotificationAttorney
class	iox::runtime::ServiceDiscovery

Detailed Description

template <typename T ,
typename H  =iox::mepoo::NoUserHeader,
typename BaseSubscriberType  =BaseSubscriber<>>
class iox::popo::SubscriberImpl;

The SubscriberImpl class implements the typed subscriber API.

Note: Not intended for public usage! Use the [Subscriber](/v2.0.1/API-reference/posh/Classes/classiox_1_1popo_1_1Subscriber/) instead!

Public Types Documentation

using PortType

using iox::popo::SubscriberImpl< T, H, BaseSubscriberType >::PortType =  typename BaseSubscriberType::PortType;

using SubscriberSampleDeleter

using iox::popo::SubscriberImpl< T, H, BaseSubscriberType >::SubscriberSampleDeleter =  SampleDeleter<PortType>;

Public Functions Documentation

function SubscriberImpl

explicit SubscriberImpl(
    const capro::ServiceDescription & service,
    const SubscriberOptions & subscriberOptions =SubscriberOptions()
)

function SubscriberImpl

SubscriberImpl(
    const SubscriberImpl & other
)

function operator=

SubscriberImpl & operator=(
    const SubscriberImpl & 
)

function SubscriberImpl

SubscriberImpl(
    SubscriberImpl && rhs
)

function operator=

SubscriberImpl & operator=(
    SubscriberImpl && rhs
)

function ~SubscriberImpl

virtual ~SubscriberImpl()

function take

cxx::expected< Sample< const T, const H >, ChunkReceiveResult > take()

Take the samples from the top of the receive queue.

Return: Either a sample or a ChunkReceiveResult.

The sample takes care of the cleanup. Don't store the raw pointer to the content of the sample, but always the whole sample.

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Updated on 2 April 2022 at 16:37:47 CEST