Add documentation

ICCC/RegisterHost2Database.go

@@ -8,20 +8,31 @@ import (
 	"gopkg.in/mgo.v2/bson"
 )
 
+// Function to register this server to the ICCC.
 func registerHost2Database() {
+
+	// Create the host entry:
 	host := Scheme.Host{}
 	host.Hostname = Tools.ThisHostname()
 	host.IPAddressPort = correctAddressWithPort
 
+	// The query to find already existing entries:
 	selection := bson.D{{`Hostname`, host.Hostname}, {`IPAddressPort`, host.IPAddressPort}}
+
+	// Count the already existing entries:
 	count, _ := collectionHosts.Find(selection).Count()
 
+	// Already exist?
 	if count == 1 {
+		// Case: Exists!
 		Log.LogShort(senderName, LM.CategorySYSTEM, LM.LevelINFO, LM.MessageNameCONFIGURATION, `This host is already registered!`, `host=`+host.Hostname, `address=`+host.IPAddressPort)
 	} else {
+		// Case: Not exist.
 		if errInsert := collectionHosts.Insert(host); errInsert != nil {
+			// Case: Was not able insert in the database
 			Log.LogFull(senderName, LM.CategorySYSTEM, LM.LevelERROR, LM.SeverityCritical, LM.ImpactCritical, LM.MessageNameDATABASE, `Was not able to register this host.`, errInsert.Error(), `host=`+host.Hostname, `address=`+host.IPAddressPort)
 		} else {
+			// Case: Everything was fine.
 			Log.LogShort(senderName, LM.CategorySYSTEM, LM.LevelINFO, LM.MessageNameSTARTUP, `This host is now registered.`, `host=`+host.Hostname, `address=`+host.IPAddressPort)
 		}
 	}