8e58c367dd
* fix(backend): fixed issue with wrong expiration timeout for projects in cache layer * fix(backend): removed direct call db.GetProject() * feat(backend): set default PROJECT_EXPIRATION to 10 minutes
73 lines
1.6 KiB
Go
73 lines
1.6 KiB
Go
package cache
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import (
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"log"
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"openreplay/backend/pkg/db/postgres"
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"openreplay/backend/pkg/db/types"
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"sync"
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"time"
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)
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type SessionMeta struct {
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*types.Session
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lastUse time.Time
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}
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type ProjectMeta struct {
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*types.Project
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expirationTime time.Time
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}
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type Cache interface {
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SetSession(sess *types.Session)
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HasSession(sessID uint64) bool
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GetSession(sessID uint64) (*types.Session, error)
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GetProject(projectID uint32) (*types.Project, error)
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GetProjectByKey(projectKey string) (*types.Project, error)
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}
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type cacheImpl struct {
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conn *postgres.Conn
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mutex sync.RWMutex
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sessions map[uint64]*SessionMeta
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projects map[uint32]*ProjectMeta
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projectsByKeys sync.Map
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projectExpirationTimeout time.Duration
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}
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func NewCache(conn *postgres.Conn, projectExpiration time.Duration) Cache {
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newCache := &cacheImpl{
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conn: conn,
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sessions: make(map[uint64]*SessionMeta),
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projects: make(map[uint32]*ProjectMeta),
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projectExpirationTimeout: projectExpiration,
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}
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go newCache.cleaner()
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return newCache
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}
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func (c *cacheImpl) cleaner() {
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cleanTick := time.Tick(time.Minute * 5)
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for {
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select {
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case <-cleanTick:
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c.clearCache()
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}
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}
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}
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func (c *cacheImpl) clearCache() {
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c.mutex.Lock()
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defer c.mutex.Unlock()
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now := time.Now()
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cacheSize := len(c.sessions)
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deleted := 0
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for id, sess := range c.sessions {
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if now.Sub(sess.lastUse).Minutes() > 3 {
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deleted++
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delete(c.sessions, id)
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}
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}
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log.Printf("cache cleaner: deleted %d/%d sessions", deleted, cacheSize)
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}
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