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Code Issues Projects Releases Wiki Activity

Move timers to storage to persist them

Browse source 
Signed-off-by: Knut Ahlers <knut@ahlers.me>
This commit is contained in:
Knut Ahlers 2021-06-29 00:01:26 +02:00
parent 8a37343127
commit ac83a0a5e9
Signed by: luzifer
GPG key ID: 0066F03ED215AD7D
5 changed files with 73 additions and 49 deletions
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3
main.go
View file

@ -31,7 +31,7 @@ var (
config *configFile
configLock = new(sync.RWMutex)
store = newStorageFile()
store = newStorageFile(false)
version = "dev"
)
@ -40,6 +40,7 @@ func init() {
for _, a := range os.Args {
if strings.HasPrefix(a, "-test.") {
// Skip initialize for test run
store = newStorageFile(true) // Use in-mem-store for tests
return
}
}

12
rule.go
View file

@ -91,15 +91,15 @@ func (r *Rule) matches(m *irc.Message, event *string) bool {
func (r *Rule) setCooldown(m *irc.Message) {
if r.Cooldown != nil {
timerStore.AddCooldown(timerTypeCooldown, "", r.MatcherID())
timerStore.AddCooldown(timerTypeCooldown, "", r.MatcherID(), time.Now().Add(*r.Cooldown))
}
if r.ChannelCooldown != nil && len(m.Params) > 0 {
timerStore.AddCooldown(timerTypeCooldown, m.Params[0], r.MatcherID())
timerStore.AddCooldown(timerTypeCooldown, m.Params[0], r.MatcherID(), time.Now().Add(*r.ChannelCooldown))
}
if r.UserCooldown != nil {
timerStore.AddCooldown(timerTypeCooldown, m.User, r.MatcherID())
timerStore.AddCooldown(timerTypeCooldown, m.User, r.MatcherID(), time.Now().Add(*r.UserCooldown))
}
}
@ -135,7 +135,7 @@ func (r *Rule) allowExecuteChannelCooldown(logger *log.Entry, m *irc.Message, ev
return true
}
if !timerStore.InCooldown(timerTypeCooldown, m.Params[0], r.MatcherID(), *r.ChannelCooldown) {
if !timerStore.InCooldown(timerTypeCooldown, m.Params[0], r.MatcherID()) {
return true
}
@ -299,7 +299,7 @@ func (r *Rule) allowExecuteRuleCooldown(logger *log.Entry, m *irc.Message, event
return true
}
if !timerStore.InCooldown(timerTypeCooldown, "", r.MatcherID(), *r.Cooldown) {
if !timerStore.InCooldown(timerTypeCooldown, "", r.MatcherID()) {
return true
}
@ -318,7 +318,7 @@ func (r *Rule) allowExecuteUserCooldown(logger *log.Entry, m *irc.Message, event
return true
}
if !timerStore.InCooldown(timerTypeCooldown, m.User, r.MatcherID(), *r.UserCooldown) {
if !timerStore.InCooldown(timerTypeCooldown, m.User, r.MatcherID()) {
return true
}

6
rule_test.go
View file

@ -96,7 +96,7 @@ func TestAllowExecuteChannelCooldown(t *testing.T) {
}
// Add cooldown
timerStore.AddCooldown(timerTypeCooldown, c1.Params[0], r.MatcherID())
timerStore.AddCooldown(timerTypeCooldown, c1.Params[0], r.MatcherID(), time.Now().Add(*r.ChannelCooldown))
if r.allowExecuteChannelCooldown(testLogger, c1, nil, badgeCollection{}) {
t.Error("Call after cooldown added was allowed")
@ -189,7 +189,7 @@ func TestAllowExecuteRuleCooldown(t *testing.T) {
}
// Add cooldown
timerStore.AddCooldown(timerTypeCooldown, "", r.MatcherID())
timerStore.AddCooldown(timerTypeCooldown, "", r.MatcherID(), time.Now().Add(*r.Cooldown))
if r.allowExecuteRuleCooldown(testLogger, nil, nil, badgeCollection{}) {
t.Error("Call after cooldown added was allowed")
@ -210,7 +210,7 @@ func TestAllowExecuteUserCooldown(t *testing.T) {
}
// Add cooldown
timerStore.AddCooldown(timerTypeCooldown, c1.User, r.MatcherID())
timerStore.AddCooldown(timerTypeCooldown, c1.User, r.MatcherID(), time.Now().Add(*r.UserCooldown))
if r.allowExecuteUserCooldown(testLogger, c1, nil, badgeCollection{}) {
t.Error("Call after cooldown added was allowed")

48
store.go
View file

@ -5,20 +5,25 @@ import (
"encoding/json"
"os"
"sync"
"time"
"github.com/pkg/errors"
)
type storageFile struct {
Counters map[string]int64 `json:"counters"`
Timers map[string]timerEntry `json:"timers"`
inMem bool
lock *sync.RWMutex
}
func newStorageFile() *storageFile {
func newStorageFile(inMemStore bool) *storageFile {
return &storageFile{
Counters: map[string]int64{},
Timers: map[string]timerEntry{},
inMem: inMemStore,
lock: new(sync.RWMutex),
}
}
@ -30,10 +35,23 @@ func (s *storageFile) GetCounterValue(counter string) int64 {
return s.Counters[counter]
}
func (s *storageFile) HasTimer(id string) bool {
s.lock.RLock()
defer s.lock.RUnlock()
return s.Timers[id].Time.After(time.Now())
}
func (s *storageFile) Load() error {
s.lock.Lock()
defer s.lock.Unlock()
if s.inMem {
// In-Memory store is active, do not load from disk
// for testing purposes only!
return nil
}
f, err := os.Open(cfg.StorageFile)
if err != nil {
if os.IsNotExist(err) {
@ -60,6 +78,25 @@ func (s *storageFile) Save() error {
// NOTE(kahlers): DO NOT LOCK THIS, all calling functions are
// modifying functions and must have locks in place
if s.inMem {
// In-Memory store is active, do not store to disk
// for testing purposes only!
return nil
}
// Cleanup timers
var timerIDs []string
for id := range s.Timers {
timerIDs = append(timerIDs, id)
}
for _, i := range timerIDs {
if s.Timers[i].Time.Before(time.Now()) {
delete(s.Timers, i)
}
}
// Write store to disk
f, err := os.Create(cfg.StorageFile)
if err != nil {
return errors.Wrap(err, "create storage file")
@ -75,6 +112,15 @@ func (s *storageFile) Save() error {
)
}
func (s *storageFile) SetTimer(kind timerType, id string, expiry time.Time) error {
s.lock.Lock()
defer s.lock.Unlock()
s.Timers[id] = timerEntry{Kind: kind, Time: expiry}
return errors.Wrap(s.Save(), "saving store")
}
func (s *storageFile) UpdateCounter(counter string, value int64, absolute bool) error {
s.lock.Lock()
defer s.lock.Unlock()

47
timers.go
View file

@ -4,7 +4,6 @@ import (
"crypto/sha256"
"fmt"
"strings"
"sync"
"time"
)
@ -18,33 +17,27 @@ const (
var timerStore = newTimer()
type timerEntry struct {
kind timerType
time time.Time
Kind timerType `json:"kind"`
Time time.Time `json:"time"`
}
type timer struct {
timers map[string]timerEntry
lock *sync.RWMutex
}
type timer struct{}
func newTimer() *timer {
return &timer{
timers: map[string]timerEntry{},
lock: new(sync.RWMutex),
}
return &timer{}
}
// Cooldown timer
func (t *timer) AddCooldown(tt timerType, limiter, ruleID string) {
t.add(timerTypeCooldown, t.getCooldownTimerKey(tt, limiter, ruleID))
func (t *timer) AddCooldown(tt timerType, limiter, ruleID string, expiry time.Time) {
store.SetTimer(timerTypeCooldown, t.getCooldownTimerKey(tt, limiter, ruleID), expiry)
}
func (t *timer) InCooldown(tt timerType, limiter, ruleID string, cooldown time.Duration) bool {
return t.has(t.getCooldownTimerKey(tt, limiter, ruleID), cooldown)
func (t *timer) InCooldown(tt timerType, limiter, ruleID string) bool {
return store.HasTimer(t.getCooldownTimerKey(tt, limiter, ruleID))
}
func (t timer) getCooldownTimerKey(tt timerType, limiter, ruleID string) string {
func (timer) getCooldownTimerKey(tt timerType, limiter, ruleID string) string {
h := sha256.New()
fmt.Fprintf(h, "%d:%s:%s", tt, limiter, ruleID)
return fmt.Sprintf("sha256:%x", h.Sum(nil))
@ -53,31 +46,15 @@ func (t timer) getCooldownTimerKey(tt timerType, limiter, ruleID string) string
// Permit timer
func (t *timer) AddPermit(channel, username string) {
t.add(timerTypePermit, t.getPermitTimerKey(channel, username))
store.SetTimer(timerTypePermit, t.getPermitTimerKey(channel, username), time.Now().Add(config.PermitTimeout))
}
func (t *timer) HasPermit(channel, username string) bool {
return t.has(t.getPermitTimerKey(channel, username), config.PermitTimeout)
return store.HasTimer(t.getPermitTimerKey(channel, username))
}
func (t timer) getPermitTimerKey(channel, username string) string {
func (timer) getPermitTimerKey(channel, username string) string {
h := sha256.New()
fmt.Fprintf(h, "%d:%s:%s", timerTypePermit, channel, strings.ToLower(strings.TrimLeft(username, "@")))
return fmt.Sprintf("sha256:%x", h.Sum(nil))
}
// Generic
func (t *timer) add(kind timerType, id string) {
t.lock.Lock()
defer t.lock.Unlock()
t.timers[id] = timerEntry{kind: kind, time: time.Now()}
}
func (t *timer) has(id string, validity time.Duration) bool {
t.lock.RLock()
defer t.lock.RUnlock()
return time.Since(t.timers[id].time) < validity
}