intra_conf.h File Reference

Transport configuration for the intra:// in-process messaging backend. More...

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Detailed Description

Transport configuration for the intra:// in-process messaging backend.

IntraConf configures the in-process message queue transport, which delivers messages between publishers and subscribers running in the same OS process without any serialisation or inter-process overhead.

Supported Node Types

intra:// supports all six node types: kPublisher, kSubscriber, kServer, kClient, kSetter, and kGetter.

URL Format

intra://<address>[?event=<event_name>[&pipeline=<N>]][#<type>]

Component	Description
address	Topic name; formed from host + "/" + path
event	Optional secondary filter string (?event=)
pipeline	Queue pipeline depth (?pipeline=N, default 0)
type	Delivery mode: "queue" or "direct" (fragment)

Example

// In-process pub/sub (queue mode, default):
vlink::Publisher<MyMsg> pub("intra://my_topic");
vlink::Subscriber<MyMsg> sub("intra://my_topic");
 
// Direct delivery (bypasses queue):
vlink::Publisher<MyMsg> pub("intra://my_topic#direct");
 
// With secondary event filter and pipeline depth:
vlink::Publisher<MyMsg> pub("intra://my_service?event=my_event&pipeline=4");

Note

This header is compiled only when VLINK_SUPPORT_INTRA is defined.

The address string must not be empty.