mirror of https://github.com/tidwall/tile38.git
88 lines
1.8 KiB
Go
88 lines
1.8 KiB
Go
package server
|
|
|
|
import (
|
|
"time"
|
|
|
|
"github.com/tidwall/tile38/internal/collection"
|
|
"github.com/tidwall/tile38/internal/log"
|
|
"github.com/tidwall/tile38/internal/object"
|
|
)
|
|
|
|
const bgExpireDelay = time.Second / 10
|
|
|
|
// backgroundExpiring deletes expired items from the database.
|
|
// It's executes every 1/10 of a second.
|
|
func (s *Server) backgroundExpiring() {
|
|
for {
|
|
if s.stopServer.on() {
|
|
return
|
|
}
|
|
func() {
|
|
s.mu.Lock()
|
|
defer s.mu.Unlock()
|
|
now := time.Now()
|
|
s.backgroundExpireObjects(now)
|
|
s.backgroundExpireHooks(now)
|
|
}()
|
|
time.Sleep(bgExpireDelay)
|
|
}
|
|
}
|
|
|
|
func (s *Server) backgroundExpireObjects(now time.Time) {
|
|
nano := now.UnixNano()
|
|
var msgs []*Message
|
|
s.cols.Scan(func(key string, col *collection.Collection) bool {
|
|
col.ScanExpires(func(o *object.Object) bool {
|
|
if nano < o.Expires() {
|
|
return false
|
|
}
|
|
msgs = append(msgs, &Message{Args: []string{"del", key, o.ID()}})
|
|
return true
|
|
})
|
|
return true
|
|
})
|
|
for _, msg := range msgs {
|
|
_, d, err := s.cmdDel(msg)
|
|
if err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
if err := s.writeAOF(msg.Args, &d); err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
}
|
|
if len(msgs) > 0 {
|
|
log.Debugf("Expired %d objects\n", len(msgs))
|
|
}
|
|
}
|
|
|
|
func (s *Server) backgroundExpireHooks(now time.Time) {
|
|
var msgs []*Message
|
|
s.hookExpires.Ascend(nil, func(v interface{}) bool {
|
|
h := v.(*Hook)
|
|
if h.expires.After(now) {
|
|
return false
|
|
}
|
|
msg := &Message{}
|
|
if h.channel {
|
|
msg.Args = []string{"delchan", h.Name}
|
|
} else {
|
|
msg.Args = []string{"delhook", h.Name}
|
|
}
|
|
msgs = append(msgs, msg)
|
|
return true
|
|
})
|
|
|
|
for _, msg := range msgs {
|
|
_, d, err := s.cmdDelHook(msg)
|
|
if err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
if err := s.writeAOF(msg.Args, &d); err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
}
|
|
if len(msgs) > 0 {
|
|
log.Debugf("Expired %d hooks\n", len(msgs))
|
|
}
|
|
}
|