Ocean/ICCC/ICCCRegisterListenerReceiver.go

package ICCC

import (
	"fmt"
	"github.com/SommerEngineering/Ocean/ICCC/SystemMessages"
	"github.com/SommerEngineering/Ocean/Log"
	LM "github.com/SommerEngineering/Ocean/Log/Meta"
)

// The receiver function for the ICCC message, that registers a listener.
func ICCCRegisterListenerReceiver(data map[string][]string) (result map[string][]string) {

	// Recover from errors:
	defer func() {
		if err := recover(); err != nil {
			Log.LogFull(senderName, LM.CategorySYSTEM, LM.LevelERROR, LM.SeverityUnknown, LM.ImpactUnknown, LM.MessageNamePARSE, "Was not able to execute the ICCC register listener message.")
			result = make(map[string][]string, 0)
			return
		}
	}()

	// Converts the HTTP form data into an object:
	_, _, obj := Data2Message(SystemMessages.ICCCRegisterListener{}, data)

	// Was it possible to convert the data?
	if obj != nil {
		// Cast the object to the right type:
		messageData := obj.(SystemMessages.ICCCRegisterListener)

		// Provide a log entry:
		Log.LogShort(senderName, LM.CategorySYSTEM, LM.LevelINFO, LM.MessageNameSTARTUP, `ICCC message: Should register another listener.`, `channel=`+messageData.Channel, `command=`+messageData.Command, `IPAddressPort=`+messageData.IPAddressPort, fmt.Sprintf(`isActive=%v`, messageData.IsActive))

		// Execute the command:
		registerListener2Database(messageData.Channel, messageData.Command, messageData.IPAddressPort, messageData.IsActive)

		// Update the caches:
		InitCacheNow()

		// An answer is necessary:
		return Message2Data(``, ``, SystemMessages.AnswerACK)
	} else {
		Log.LogShort(senderName, LM.CategorySYSTEM, LM.LevelINFO, LM.MessageNameSTARTUP, `ICCC message: Was not able to create the message.`)
	}

	// In any other error case:
	result = make(map[string][]string, 0)
	return
}