snapshot of https://github.com/livekit/livekit.git @ 08c5433449c106943231037d0b892895f6e92d3b (2026-09-15)

pkg/utils/iceconfigcache.go

@@ -0,0 +1,42 @@
+package utils
+
+import (
+	"time"
+
+	"github.com/jellydator/ttlcache/v3"
+
+	"github.com/livekit/protocol/livekit"
+)
+
+const (
+	iceConfigTTLMin = 5 * time.Minute
+)
+
+type IceConfigCache[T comparable] struct {
+	c *ttlcache.Cache[T, *livekit.ICEConfig]
+}
+
+func NewIceConfigCache[T comparable](ttl time.Duration) *IceConfigCache[T] {
+	cache := ttlcache.New(
+		ttlcache.WithTTL[T, *livekit.ICEConfig](max(ttl, iceConfigTTLMin)),
+		ttlcache.WithDisableTouchOnHit[T, *livekit.ICEConfig](),
+	)
+	go cache.Start()
+
+	return &IceConfigCache[T]{cache}
+}
+
+func (icc *IceConfigCache[T]) Stop() {
+	icc.c.Stop()
+}
+
+func (icc *IceConfigCache[T]) Put(key T, iceConfig *livekit.ICEConfig) {
+	icc.c.Set(key, iceConfig, ttlcache.DefaultTTL)
+}
+
+func (icc *IceConfigCache[T]) Get(key T) *livekit.ICEConfig {
+	if it := icc.c.Get(key); it != nil {
+		return it.Value()
+	}
+	return &livekit.ICEConfig{}
+}