alice.pds.demo.boltless.dev
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knotclient: improve api with NewConsumerConfig and AddEventSource
Signed-off-by: Anirudh Oppiliappan <anirudh@tangled.sh>
author
Anirudh Oppiliappan
date
(Jun 12, 2025, 6:50 PM +0300)
commit
92de0157
92de01576d1162667ba7db28f19f7aa043a75672
parent
d95215cc
d95215cc581c4460d15200b01ae7f6bc2d23d833
change-id
oqxnqwku
oqxnqwkumrzpnvwmtqzqyktnomynmxkp
+17
-7
+17
-7
knotclient/events.go
+17
-7
knotclient/events.go
···
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"github.com/gorilla/websocket"
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)
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-
type ProcessFunc func(source EventSource, message Message) error
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type ProcessFunc func(ctx context.Context, source EventSource, message Message) error
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type Message struct {
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Rkey string
···
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CursorStore CursorStore
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}
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func NewConsumerConfig() *ConsumerConfig {
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return &ConsumerConfig{
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Sources: make(map[EventSource]struct{}),
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}
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}
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+
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func (cc *ConsumerConfig) AddEventSource(es EventSource) {
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cc.Sources[es] = struct{}{}
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}
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type EventSource struct {
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Knot string
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}
···
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}
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type EventConsumer struct {
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-
cfg ConsumerConfig
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wg sync.WaitGroup
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dialer *websocket.Dialer
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connMap sync.Map
···
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logger *slog.Logger
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randSource *rand.Rand
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// rw lock over edits to consumer config
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mu sync.RWMutex
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// rw lock over edits to ConsumerConfig
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cfgMu sync.RWMutex
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cfg ConsumerConfig
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}
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type CursorStore interface {
···
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}
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func (c *EventConsumer) AddSource(ctx context.Context, s EventSource) {
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c.mu.Lock()
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c.cfgMu.Lock()
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c.cfg.Sources[s] = struct{}{}
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c.wg.Add(1)
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go c.startConnectionLoop(ctx, s)
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c.mu.Unlock()
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c.cfgMu.Unlock()
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}
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func (c *EventConsumer) worker(ctx context.Context) {
···
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// update cursor
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c.cfg.CursorStore.Set(j.source.Knot, time.Now().Unix())
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if err := c.cfg.ProcessFunc(j.source, msg); err != nil {
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if err := c.cfg.ProcessFunc(ctx, j.source, msg); err != nil {
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c.logger.Error("error processing message", "source", j.source, "err", err)
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}
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}