38 lines
1.2 KiB
Go
38 lines
1.2 KiB
Go
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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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"time"
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)
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// Function for the thread which maintain the message name cache.
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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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// Create an own thread:
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go func() {
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// Endless loop:
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for true {
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// Read the message names rom the DB:
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data := readMessageNamesFromDB()
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mutexCacheMessageNames.Lock()
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// Overwrite the cache:
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cacheMessageNames = data
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mutexCacheMessageNames.Unlock()
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// Sleep some time:
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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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// Case: The server goes down now.
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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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