Advanced Subscriber Functions

Functions
NT_MultiSubscriber	NT_SubscribeMultiple (NT_Inst inst, const struct WPI_String *prefixes, size_t prefixes_len, const struct NT_PubSubOptions *options)
	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

NT_SubscribeMultiple()

NT_MultiSubscriber NT_SubscribeMultiple	(	NT_Inst	inst,
		const struct WPI_String *	prefixes,
		size_t	prefixes_len,
		const struct NT_PubSubOptions *	options )

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
prefixes_len	number of elements in prefixes array
options	subscriber options

Returns

subscriber handle

NT_UnsubscribeMultiple()

void NT_UnsubscribeMultiple

(

NT_MultiSubscriber

sub

)

Unsubscribes a multi-subscriber.

Parameters

sub	multi-subscriber handle