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dendrite/internal/caching/cache_federationevents.go
Neil Alexander bb2380c254
Allow specifying max age for caches (#2239)
* Allow specifying max age for caches

* Evict cache entry if it's found to be stale when we call Get

* Fix bugs
2022-03-01 16:59:52 +00:00

68 lines
2 KiB
Go

package caching
import (
"fmt"
"github.com/matrix-org/gomatrixserverlib"
)
const (
FederationEventCacheName = "federation_event"
FederationEventCacheMaxEntries = 256
FederationEventCacheMutable = true // to allow use of Unset only
FederationEventCacheMaxAge = CacheNoMaxAge
)
// FederationCache contains the subset of functions needed for
// a federation event cache.
type FederationCache interface {
GetFederationQueuedPDU(eventNID int64) (event *gomatrixserverlib.HeaderedEvent, ok bool)
StoreFederationQueuedPDU(eventNID int64, event *gomatrixserverlib.HeaderedEvent)
EvictFederationQueuedPDU(eventNID int64)
GetFederationQueuedEDU(eventNID int64) (event *gomatrixserverlib.EDU, ok bool)
StoreFederationQueuedEDU(eventNID int64, event *gomatrixserverlib.EDU)
EvictFederationQueuedEDU(eventNID int64)
}
func (c Caches) GetFederationQueuedPDU(eventNID int64) (*gomatrixserverlib.HeaderedEvent, bool) {
key := fmt.Sprintf("%d", eventNID)
val, found := c.FederationEvents.Get(key)
if found && val != nil {
if event, ok := val.(*gomatrixserverlib.HeaderedEvent); ok {
return event, true
}
}
return nil, false
}
func (c Caches) StoreFederationQueuedPDU(eventNID int64, event *gomatrixserverlib.HeaderedEvent) {
key := fmt.Sprintf("%d", eventNID)
c.FederationEvents.Set(key, event)
}
func (c Caches) EvictFederationQueuedPDU(eventNID int64) {
key := fmt.Sprintf("%d", eventNID)
c.FederationEvents.Unset(key)
}
func (c Caches) GetFederationQueuedEDU(eventNID int64) (*gomatrixserverlib.EDU, bool) {
key := fmt.Sprintf("%d", eventNID)
val, found := c.FederationEvents.Get(key)
if found && val != nil {
if event, ok := val.(*gomatrixserverlib.EDU); ok {
return event, true
}
}
return nil, false
}
func (c Caches) StoreFederationQueuedEDU(eventNID int64, event *gomatrixserverlib.EDU) {
key := fmt.Sprintf("%d", eventNID)
c.FederationEvents.Set(key, event)
}
func (c Caches) EvictFederationQueuedEDU(eventNID int64) {
key := fmt.Sprintf("%d", eventNID)
c.FederationEvents.Unset(key)
}