Advanced Subscriber Functions

Functions
NT_MultiSubscriber	nt::SubscribeMultiple (NT_Inst inst, std::span< const std::string_view > prefixes, const PubSubOptions &options=kDefaultPubSubOptions)
	Subscribes to multiple topics based on one or more topic name prefixes.
void	nt::UnsubscribeMultiple (NT_MultiSubscriber sub)
	Unsubscribes a multi-subscriber.

Detailed Description

Function Documentation

SubscribeMultiple()

NT_MultiSubscriber nt::SubscribeMultiple	(	NT_Inst	inst,
		std::span< const std::string_view >	prefixes,
		const PubSubOptions &	options = kDefaultPubSubOptions )

Subscribes to multiple topics based on one or more topic name prefixes.

Can be used in combination with a Value Listener or ReadQueueValue() to get value changes across all matching topics.

Parameters

inst	instance handle
prefixes	topic name prefixes
options	subscriber options

Returns

subscriber handle

UnsubscribeMultiple()

void nt::UnsubscribeMultiple

(

NT_MultiSubscriber

sub

)

Unsubscribes a multi-subscriber.

Parameters

sub	multi-subscriber handle