Struct WebSubPublisher 

pub struct WebSubPublisher {
    pub hub_url: String,
}

Publishes topic updates to a WebSub hub and generates HTTP Link headers for self-discovery (RFC 5988 / RFC 8288).

Fields

hub_url: String

The hub to notify.

Implementations

impl WebSubPublisher

pub fn new(hub_url: impl Into<String>) -> Self

Create a publisher that notifies the given hub.

pub fn publish_params(&self, topic_url: &str) -> Vec<(String, String)>

Build the form-encoded body for a hub ping (hub.mode=publish).

pub fn publish(&self, topic_url: &str) -> Result<Vec<(String, String)>>

Notify the hub that topic_url has been updated.

Returns the form-encoded parameter pairs that would be sent to the hub. Callers are responsible for making the actual HTTP POST.

pub fn link_headers(&self, topic_url: &str) -> Vec<String>

Return the RFC 8288 Link headers a publisher should include in its HTTP responses to allow subscriber discovery.

Link: <https://hub.example.com/>; rel="hub"
Link: <https://publisher.example.com/topic>; rel="self"

Trait Implementations

impl Clone for WebSubPublisher

fn clone(&self) -> WebSubPublisher

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for WebSubPublisher

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.