sse

package
v1.7.4 Latest Latest
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 Go to latest Published: Sep 2, 2026 License: MIT Imports: 3 Imported by: 0

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Functions

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Types

type Event 

type Event struct {
	ID    string
	Event string
	Data  []byte
}

Event represents a server-sent event payload.

type Hub 

type Hub struct {
	// contains filtered or unexported fields
}

Hub is a simple in-memory pub/sub for SSE topics.

func GetDataHub 

func GetDataHub() *Hub

GetDataHub returns the SSE hub for data orchestration (SSESink).

func GetInternalHub 

func GetInternalHub() *Hub

GetInternalHub returns the SSE hub for internal API notifications.

func (*Hub) ConfigureStream 

func (h *Hub) ConfigureStream(topic string, cfg StreamConfig)

ConfigureStream sets the configuration for a specific stream.

func (*Hub) GetStreamConfig 

func (h *Hub) GetStreamConfig(topic string) (StreamConfig, bool)

GetStreamConfig returns the configuration for a specific stream.

func (*Hub) Publish 

func (h *Hub) Publish(topic string, ev Event)

Publish sends an event to all subscribers of the topic.

func (*Hub) Shutdown 

func (h *Hub) Shutdown(ctx context.Context)

Shutdown stops the hub and closes all subscribers.

func (*Hub) Stream 

func (h *Hub) Stream(ctx context.Context, topic string, buf int, fn func(Event) error) error

Stream streams events from a topic to the provided callback until context is done.

func (*Hub) Subscribe 

func (h *Hub) Subscribe(topic string, buf int) (chan Event, func())

Subscribe adds a subscriber channel for the topic. Returns the channel and an unsubscribe function.

func (*Hub) WaitUntil 

func (h *Hub) WaitUntil(topic string, timeout time.Duration) bool

WaitUntil waits until there is at least one subscriber for the topic or timeout.

type StreamConfig 

type StreamConfig struct {
	AuthToken      string
	AllowedOrigins []string
}

StreamConfig holds security and other settings for an SSE stream.

Source Files

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transport
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