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provider_setting.go
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/
provider_setting.go
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package memdb
import (
"sync"
"time"
"github.com/bricks-cloud/bricksllm/internal/provider"
"github.com/bricks-cloud/bricksllm/internal/stats"
"go.uber.org/zap"
)
type ProviderSettingsStorage interface {
GetProviderSettings(withSecret bool, ids []string) ([]*provider.Setting, error)
GetUpdatedProviderSettings(updatedAt int64) ([]*provider.Setting, error)
}
type ProviderSettingsMemDb struct {
external ProviderSettingsStorage
lastUpdated int64
settings map[string]*provider.Setting
lock sync.RWMutex
done chan bool
interval time.Duration
log *zap.Logger
}
func NewProviderSettingsMemDb(ex ProviderSettingsStorage, log *zap.Logger, interval time.Duration) (*ProviderSettingsMemDb, error) {
m := map[string]*provider.Setting{}
settings, err := ex.GetProviderSettings(true, nil)
if err != nil {
return nil, err
}
numberOfSettings := 0
var latetest int64 = -1
for _, s := range settings {
m[s.Id] = s
numberOfSettings++
if s.UpdatedAt > latetest {
latetest = s.UpdatedAt
}
}
if numberOfSettings != 0 {
log.Sugar().Infof("provider settings memdb updated at %d with %d provider settings", latetest, numberOfSettings)
}
return &ProviderSettingsMemDb{
external: ex,
settings: m,
log: log,
lastUpdated: latetest,
interval: interval,
done: make(chan bool),
}, nil
}
func (mdb *ProviderSettingsMemDb) GetSetting(k string) *provider.Setting {
v, ok := mdb.settings[k]
if ok {
return v
}
return nil
}
func (mdb *ProviderSettingsMemDb) GetSettings(ks []string) []*provider.Setting {
result := []*provider.Setting{}
for _, k := range ks {
v, ok := mdb.settings[k]
if ok {
result = append(result, v)
}
}
return result
}
func (mdb *ProviderSettingsMemDb) SetSetting(s *provider.Setting) {
mdb.lock.RLock()
defer mdb.lock.RUnlock()
mdb.settings[s.Id] = s
}
func (mdb *ProviderSettingsMemDb) RemoveSetting(k string) {
mdb.lock.RLock()
defer mdb.lock.RUnlock()
delete(mdb.settings, k)
}
func (mdb *ProviderSettingsMemDb) Listen() {
ticker := time.NewTicker(mdb.interval)
mdb.log.Info("provider settings memdb started listening for provider setting updates")
go func() {
for {
lastUpdated := mdb.lastUpdated
select {
case <-mdb.done:
mdb.log.Info("provider settings memdb stopped")
return
case <-ticker.C:
settings, err := mdb.external.GetUpdatedProviderSettings(lastUpdated)
if err != nil {
stats.Incr("bricksllm.memdb.provider_settings_memdb.listen.get_updated_provider_settings_err", nil, 1)
mdb.log.Sugar().Debugf("provider settings memdb failed to update provider settings: %v", err)
continue
}
if len(settings) == 0 {
continue
}
any := false
numberOfUpdated := 0
for _, setting := range settings {
if setting.UpdatedAt > lastUpdated {
lastUpdated = setting.UpdatedAt
}
existing := mdb.GetSetting(setting.Id)
if existing == nil || setting.UpdatedAt > existing.UpdatedAt {
mdb.log.Sugar().Infof("provider settings memdb updated a setting: %s", setting.Id)
numberOfUpdated += 1
any = true
mdb.SetSetting(setting)
}
}
if any {
mdb.log.Sugar().Infof("provider settings memdb updated at %d with %d provider settings", lastUpdated, numberOfUpdated)
}
}
}
}()
}
func (mdb *ProviderSettingsMemDb) Stop() {
mdb.log.Info("shutting down provider settings memdb...")
mdb.done <- true
}