func (b *MemoryBackend) continuousCleanup() {
id, shutdownRequested := shutdown.AddShutdownListener("MemoryBackend cleanup")
defer shutdown.RoutineDone(id)
for {
select {
case <-time.After(config.GetEmailTTL() / 4):
b.doCleanup()
case <-shutdownRequested:
log.Info("Shutting down memory cleanup with system")
return
case <-b.quit:
log.Info("Quitting memory cleanup")
return
}
}
}
func (b *MemoryBackend) PutEmail(e *email.SMTPEmail) (id email.EmailId, err error) {
if e == nil {
return "", errors.New("Cannot put nil email")
}
id = email.EmailId(uuid.NewV4().String())
tsEm := timestampedEmail{id, time.Now().Add(config.GetEmailTTL())}
// critical section
b.rwlock.Lock()
b.email_by_id[id] = e
b.expiry_queue = append(b.expiry_queue, tsEm)
b.rwlock.Unlock()
log.WithFields(log.Fields{
"id": id,
}).Info("Stored email in memory")
return
}