116 lines
5.7 KiB
Go
116 lines
5.7 KiB
Go
package System
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import (
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"fmt"
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"github.com/SommerEngineering/Ocean/ConfigurationDB"
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"github.com/SommerEngineering/Ocean/CustomerDB"
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"github.com/SommerEngineering/Ocean/ICCC"
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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/NumGen"
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"github.com/SommerEngineering/Ocean/Shutdown"
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"runtime"
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"strconv"
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)
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// Init the system.
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func initSystem() {
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Log.LogShort(senderName, LM.CategorySYSTEM, LM.LevelINFO, LM.MessageNameSTARTUP, `The system is now starting.`)
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// Set the desired amount of CPUs to use by Ocean. Default: 2
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utilizeCPUs := 2
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if value, err := strconv.Atoi(ConfigurationDB.Read(`OceanUtilizeCPUs`)); err != nil {
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// Case: Error! Use the default.
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Log.LogFull(senderName, LM.CategorySYSTEM, LM.LevelERROR, LM.SeverityCritical, LM.ImpactUnknown, LM.MessageNameCONFIGURATION, `Was not able to read the OceanUtilizeCPUs configuration.`, `Use the default value instead.`)
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} else {
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utilizeCPUs = value
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}
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// Set the amount of CPUs:
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runtime.GOMAXPROCS(utilizeCPUs)
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Log.LogShort(senderName, LM.CategorySYSTEM, LM.LevelINFO, LM.MessageNameCONFIGURATION, `Configuration OceanUtilizeCPUs is set.`, fmt.Sprintf(`value=%d`, utilizeCPUs))
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// Apply all desired logging devices:
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initLoggingDevices()
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// Set the logging buffer size:
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logBufferSize := 500
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if value, err := strconv.Atoi(ConfigurationDB.Read(`LogBufferSize`)); err != nil {
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Log.LogFull(senderName, LM.CategorySYSTEM, LM.LevelERROR, LM.SeverityCritical, LM.ImpactUnknown, LM.MessageNameCONFIGURATION, `Was not able to read the LogBufferSize configuration.`, `Use the default value instead.`)
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} else {
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logBufferSize = value
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}
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Log.SetBufferSize(logBufferSize)
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Log.LogShort(senderName, LM.CategorySYSTEM, LM.LevelINFO, LM.MessageNameCONFIGURATION, `Configuration LogBufferSize is set.`, fmt.Sprintf(`value=%d`, logBufferSize))
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// Set the logging device delay (number of events):
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logDeviceDelayNumberEvents := 600
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if value, err := strconv.Atoi(ConfigurationDB.Read(`LogDeviceDelayNumberEvents`)); err != nil {
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Log.LogFull(senderName, LM.CategorySYSTEM, LM.LevelERROR, LM.SeverityCritical, LM.ImpactUnknown, LM.MessageNameCONFIGURATION, `Was not able to read the LogDeviceDelayNumberEvents configuration.`, `Use the default value instead.`)
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} else {
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logDeviceDelayNumberEvents = value
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}
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Log.SetDeviceDelayNumberEvents(logDeviceDelayNumberEvents)
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Log.LogShort(senderName, LM.CategorySYSTEM, LM.LevelINFO, LM.MessageNameCONFIGURATION, `Configuration LogDeviceDelayNumberEvents is set.`, fmt.Sprintf(`value=%d`, logDeviceDelayNumberEvents))
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// Set the logging device delay time to flush (seconds):
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logDeviceDelayTime2FlushSeconds := 5
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if value, err := strconv.Atoi(ConfigurationDB.Read(`LogDeviceDelayTime2FlushSeconds`)); err != nil {
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Log.LogFull(senderName, LM.CategorySYSTEM, LM.LevelERROR, LM.SeverityCritical, LM.ImpactUnknown, LM.MessageNameCONFIGURATION, `Was not able to read the LogDeviceDelayTime2FlushSeconds configuration.`, `Use the default value instead.`)
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} else {
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logDeviceDelayTime2FlushSeconds = value
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}
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Log.SetDeviceDelayTimeoutSeconds(logDeviceDelayTime2FlushSeconds)
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Log.LogShort(senderName, LM.CategorySYSTEM, LM.LevelINFO, LM.MessageNameCONFIGURATION, `Configuration LogDeviceDelayTime2FlushSeconds is set.`, fmt.Sprintf(`value=%d`, logDeviceDelayTime2FlushSeconds))
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// Set the logging timeout (seconds):
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logTimeoutSeconds := 3
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if value, err := strconv.Atoi(ConfigurationDB.Read(`LogTimeoutSeconds`)); err != nil {
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Log.LogFull(senderName, LM.CategorySYSTEM, LM.LevelERROR, LM.SeverityCritical, LM.ImpactUnknown, LM.MessageNameCONFIGURATION, `Was not able to read the LogTimeoutSeconds configuration.`, `Use the default value instead.`)
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} else {
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logTimeoutSeconds = value
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}
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Log.SetTimeoutSeconds(logTimeoutSeconds)
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Log.LogShort(senderName, LM.CategorySYSTEM, LM.LevelINFO, LM.MessageNameCONFIGURATION, `Configuration LogTimeoutSeconds is set.`, fmt.Sprintf(`value=%d`, logTimeoutSeconds))
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// Apply these changes:
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Log.ApplyConfigurationChanges()
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Log.LoggingIsReady()
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// Register all system shutdown handlers:
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//
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// Please notice: If the shutdown event occurs ...
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// * all application handlers are called (order: last comed, first served)
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// * then, these system handlers are called (order: last comed, first served)
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// * and finally, the logging device / system gets closed
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Shutdown.InitShutdown()
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Shutdown.AddShutdownHandler(ConfigurationDB.ShutdownFunction{})
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Shutdown.AddShutdownHandler(CustomerDB.ShutdownFunction{})
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Shutdown.AddShutdownHandler(ICCC.ShutdownFunction{})
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Shutdown.AddShutdownHandler(NumGen.ShutdownFunction{})
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// The logging subsystem is not registered here, because it will be automated called at the end
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// Register all system ICCC commands:
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ICCC.Registrar(ICCC.ChannelSTARTUP, `System::OceanStart`, icccOceanStartUpMessageReceiver)
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ICCC.Registrar(ICCC.ChannelSTARTUP, `System::ComponentStart`, icccComponentStartUpMessageReceiver)
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ICCC.Registrar(ICCC.ChannelICCC, `ICCC::RegisterHost`, ICCC.ICCCRegisterHostReceiver)
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ICCC.Registrar(ICCC.ChannelICCC, `ICCC::RegisterListener`, ICCC.ICCCRegisterListenerReceiver)
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ICCC.Registrar(ICCC.ChannelICCC, `ICCC::DeleteListener`, ICCC.ICCCDeleteListenerReceiver)
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ICCC.Registrar(ICCC.ChannelICCC, `ICCC::DeleteHost`, ICCC.ICCCDeleteHostReceiver)
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ICCC.Registrar(ICCC.ChannelICCC, `ICCC::ListenerUpdate`, ICCC.ICCCListenerUpdateReceiver)
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ICCC.Registrar(ICCC.ChannelICCC, `ICCC::Ping`, ICCC.ICCCPingReceiver)
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ICCC.Registrar(ICCC.ChannelICCC, `ICCC::GetHosts`, ICCC.ICCCGetHostsReceiver)
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ICCC.Registrar(ICCC.ChannelICCC, `ICCC::GetListeners`, ICCC.ICCCGetListenersReceiver)
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ICCC.Registrar(ICCC.ChannelNUMGEN, `NumGen::Next`, NumGen.ICCCNextNumberReceiver)
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// Start the ICCC Listener Cache:
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ICCC.InitCacheNow() // Blocking, until the job is done
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ICCC.StartCacheTimer()
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}
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