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package server
import (
"heckel.io/ntfy/v2/log"
"heckel.io/ntfy/v2/util"
"strings"
)
func (s *Server) execManager() {
// WARNING: Make sure to only selectively lock with the mutex, and be aware that this
// there is no mutex for the entire function.
// Prune all the things
s.pruneVisitors()
s.pruneTokens()
s.pruneAttachments()
s.pruneMessages()
// s.pruneAndNotifyWebPushSubscriptions()
// Message count per topic
var messagesCached int
messageCounts, err := s.messageCache.MessageCounts()
if err != nil {
log.Tag(tagManager).Err(err).Warn("Cannot get message counts")
messageCounts = make(map[string]int) // Empty, so we can continue
}
for _, count := range messageCounts {
messagesCached += count
}
// Remove subscriptions without subscribers
var emptyTopics, subscribers int
log.
Tag(tagManager).
Timing(func() {
s.mu.Lock()
defer s.mu.Unlock()
for _, t := range s.topics {
subs, lastAccess := t.Stats()
ev := log.Tag(tagManager).With(t)
if t.Stale() {
if ev.IsTrace() {
ev.Trace("- topic %s: Deleting stale topic (%d subscribers, accessed %s)", t.ID, subs, util.FormatTime(lastAccess))
}
emptyTopics++
delete(s.topics, t.ID)
} else {
if ev.IsTrace() {
ev.Trace("- topic %s: %d subscribers, accessed %s", t.ID, subs, util.FormatTime(lastAccess))
}
subscribers += subs
}
}
}).
Debug("Removed %d empty topic(s)", emptyTopics)
// Mail stats
var receivedMailTotal, receivedMailSuccess, receivedMailFailure int64
if s.smtpServerBackend != nil {
receivedMailTotal, receivedMailSuccess, receivedMailFailure = s.smtpServerBackend.Counts()
}
var sentMailTotal, sentMailSuccess, sentMailFailure int64
if s.smtpSender != nil {
sentMailTotal, sentMailSuccess, sentMailFailure = s.smtpSender.Counts()
}
// Users
var usersCount int64
if s.userManager != nil {
usersCount, err = s.userManager.UsersCount()
if err != nil {
log.Tag(tagManager).Err(err).Warn("Error counting users")
}
}
// Print stats
s.mu.RLock()
messagesCount, topicsCount, visitorsCount := s.messages, len(s.topics), len(s.visitors)
s.mu.RUnlock()
// Update stats
s.updateAndWriteStats(messagesCount)
// Log stats
log.
Tag(tagManager).
Fields(log.Context{
"messages_published": messagesCount,
"messages_cached": messagesCached,
"topics_active": topicsCount,
"subscribers": subscribers,
"visitors": visitorsCount,
"users": usersCount,
"emails_received": receivedMailTotal,
"emails_received_success": receivedMailSuccess,
"emails_received_failure": receivedMailFailure,
"emails_sent": sentMailTotal,
"emails_sent_success": sentMailSuccess,
"emails_sent_failure": sentMailFailure,
}).
Info("Server stats")
mset(metricMessagesCached, messagesCached)
mset(metricVisitors, visitorsCount)
mset(metricUsers, usersCount)
mset(metricSubscribers, subscribers)
mset(metricTopics, topicsCount)
}
func (s *Server) pruneVisitors() {
staleVisitors := 0
log.
Tag(tagManager).
Timing(func() {
s.mu.Lock()
defer s.mu.Unlock()
for ip, v := range s.visitors {
if v.Stale() {
log.Tag(tagManager).With(v).Trace("Deleting stale visitor")
delete(s.visitors, ip)
staleVisitors++
}
}
}).
Field("stale_visitors", staleVisitors).
Debug("Deleted %d stale visitor(s)", staleVisitors)
}
func (s *Server) pruneTokens() {
if s.userManager != nil {
log.
Tag(tagManager).
Timing(func() {
if err := s.userManager.RemoveExpiredTokens(); err != nil {
log.Tag(tagManager).Err(err).Warn("Error expiring user tokens")
}
if err := s.userManager.RemoveDeletedUsers(); err != nil {
log.Tag(tagManager).Err(err).Warn("Error deleting soft-deleted users")
}
}).
Debug("Removed expired tokens and users")
}
}
func (s *Server) pruneAttachments() {
if s.fileCache == nil {
return
}
log.
Tag(tagManager).
Timing(func() {
ids, err := s.messageCache.AttachmentsExpired()
if err != nil {
log.Tag(tagManager).Err(err).Warn("Error retrieving expired attachments")
} else if len(ids) > 0 {
if log.Tag(tagManager).IsDebug() {
log.Tag(tagManager).Debug("Deleting attachments %s", strings.Join(ids, ", "))
}
if err := s.fileCache.Remove(ids...); err != nil {
log.Tag(tagManager).Err(err).Warn("Error deleting attachments")
}
if err := s.messageCache.MarkAttachmentsDeleted(ids...); err != nil {
log.Tag(tagManager).Err(err).Warn("Error marking attachments deleted")
}
} else {
log.Tag(tagManager).Debug("No expired attachments to delete")
}
}).
Debug("Deleted expired attachments")
}
func (s *Server) pruneMessages() {
log.
Tag(tagManager).
Timing(func() {
expiredMessageIDs, err := s.messageCache.MessagesExpired()
if err != nil {
log.Tag(tagManager).Err(err).Warn("Error retrieving expired messages")
} else if len(expiredMessageIDs) > 0 {
if s.fileCache != nil {
if err := s.fileCache.Remove(expiredMessageIDs...); err != nil {
log.Tag(tagManager).Err(err).Warn("Error deleting attachments for expired messages")
}
}
if err := s.messageCache.DeleteMessages(expiredMessageIDs...); err != nil {
log.Tag(tagManager).Err(err).Warn("Error marking attachments deleted")
}
} else {
log.Tag(tagManager).Debug("No expired messages to delete")
}
}).
Debug("Pruned messages")
}
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