SUSE/saptune

package note

import (
    "github.com/SUSE/saptune/system"
    "github.com/SUSE/saptune/txtparser"
    "strings"
)

// section [sysctl]

// OptSysctlVal optimises a sysctl parameter value
// use exactly the value from the config file. No calculation any more
func OptSysctlVal(operator txtparser.Operator, key, actval, cfgval string) string {
    if actval == "PNA" || actval == "" {
        // sysctl parameter not available in system
        // or system value is 'empty'
        return cfgval
    }
    if cfgval == "" {
        // sysctl parameter should be leave untouched
        return ""
    }
    allFieldsC := strings.Fields(actval)
    allFieldsE := strings.Fields(cfgval)
    allFieldsS := ""

    if len(allFieldsC) != len(allFieldsE) && (operator == txtparser.OperatorEqual || len(allFieldsE) > 1) {
        system.WarningLog("wrong number of fields given in the config file for parameter '%s'\n", key)
        return ""
    }

    for k, fieldC := range allFieldsC {
        fieldE := ""
        if len(allFieldsC) != len(allFieldsE) {
            fieldE = fieldC

            if (operator == txtparser.OperatorLessThan || operator == txtparser.OperatorLessThanEqual) && k == 0 {
                fieldE = allFieldsE[0]
            }
            if (operator == txtparser.OperatorMoreThan || operator == txtparser.OperatorMoreThanEqual) && k == len(allFieldsC)-1 {
                fieldE = allFieldsE[0]
            }
        } else {
            fieldE = allFieldsE[k]
        }

        // use exactly the value from the config file. No calculation any more
        /*
            optimisedValue, err := txtparser.CalculateOptimumValue(operator, fieldC, fieldE)
            //optimisedValue, err := txtparser.CalculateOptimumValue(param.Operator, vend.SysctlParams[param.Key], param.Value)
            if err != nil {
                return ""
            }
            allFieldsS = allFieldsS + optimisedValue + "\t"
        */
        allFieldsS = allFieldsS + fieldE + "\t"
    }

    return strings.TrimSpace(allFieldsS)
}