50 lines
1.6 KiB
Go
50 lines
1.6 KiB
Go
package DeviceDatabase
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import (
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"github.com/SommerEngineering/Ocean/Log"
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LM "github.com/SommerEngineering/Ocean/Log/Meta"
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"github.com/SommerEngineering/Ocean/Shutdown"
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"gopkg.in/mgo.v2/bson"
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"sort"
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"time"
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)
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func ReadMessageNames() (messageNames []string) {
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mutexCacheMessageNames.RLock()
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defer mutexCacheMessageNames.RUnlock()
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messageNames = cacheMessageNames
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return
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}
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func cacheRefreshMessageNames() {
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Log.LogShort(senderName, LM.CategorySYSTEM, LM.LevelINFO, LM.MessageNameSTARTUP, `The message names' refresh thread is now running.`)
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go func() {
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for true {
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mutexCacheMessageNames.Lock()
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cacheMessageNames = readMessageNamesFromDB()
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mutexCacheMessageNames.Unlock()
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Log.LogShort(senderName, LM.CategorySYSTEM, LM.LevelTALKATIVE, LM.MessageNameEXECUTE, `The message names' cache was refreshed.`)
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time.Sleep(time.Duration(nameCachesRefreshTimeSeconds) * time.Second)
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if Shutdown.IsDown() {
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Log.LogFull(senderName, LM.CategorySYSTEM, LM.LevelWARN, LM.SeverityLow, LM.ImpactLow, LM.MessageNameSHUTDOWN, `The message name's refresh thread is now shutting down.`)
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return
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}
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}
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}()
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}
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func readMessageNamesFromDB() (result []string) {
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var nextMessageNames []string
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if err := logDBCollection.Find(bson.D{}).Distinct(`MessageName`, &nextMessageNames); err != nil {
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Log.LogShort(senderName, LM.CategorySYSTEM, LM.LevelERROR, LM.MessageNameDATABASE, `Was not able to read the message names from the database.`, err.Error())
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return
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}
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sort.Strings(nextMessageNames)
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result = nextMessageNames
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return
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}
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