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https://github.com/logos-messaging/go-libp2p-pubsub.git
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973fef56e1
* feat: expire messages from the cache based on last seen time * chore: minor renaming * fix: messages should not be found after expiration * chore: editorial * fix: use new time cache strategy consistently * fix: default to old time cache and add todo for background gc
33 lines
690 B
Go
33 lines
690 B
Go
package timecache
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import "time"
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type Strategy uint8
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const (
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Strategy_FirstSeen Strategy = iota
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Strategy_LastSeen
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)
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type TimeCache interface {
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Add(string)
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Has(string) bool
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}
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// NewTimeCache defaults to the original ("first seen") cache implementation
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func NewTimeCache(span time.Duration) TimeCache {
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return NewTimeCacheWithStrategy(Strategy_FirstSeen, span)
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}
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func NewTimeCacheWithStrategy(strategy Strategy, span time.Duration) TimeCache {
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switch strategy {
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case Strategy_FirstSeen:
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return newFirstSeenCache(span)
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case Strategy_LastSeen:
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return newLastSeenCache(span)
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default:
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// Default to the original time cache implementation
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return newFirstSeenCache(span)
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}
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}
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