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/*
* @Author: EnderByEndera
* @Date: 2020-12-04 15:03:00
* @LastEditTime: 2021-02-01 06:16:38
* @LastEditors: Please set LastEditors
* @Description: rules provide all the rules to check the commands' availability and set score of every command
* @FilePath: /commdetection/rules/commcheck.go
*/
package rules
import (
"commdetection/logger"
"commdetection/model"
)
// AddRule adds one rule to the rules
func AddRule(rs model.Rules, rule model.Rule) model.Rules {
for _, r := range rs {
if r.Name == rule.Name {
logger.Warnf("%s already existed", rule.Name)
return rs
}
}
rs = append(rs, rule)
return rs
}
// DeleteRuleByName deletes one rule by the name of the rule
func DeleteRuleByName(r model.Rules, ruleName string) model.Rules {
existed := false
for index, rule := range r {
if rule.Name == ruleName {
r = append(r[:index], r[index+1:]...)
existed = true
}
}
if !existed {
logger.Warnf("rule %s not existed in the rules", ruleName)
}
return r
}
// CreateRule creates one rule with name and rule func and return a Rule
func CreateRule(name string, rule string) (r model.Rule) {
r.Name = name
r.RuleFunc = rule
return
}
// EvaluateCommScore evaluates scores of the commands in the css
func EvaluateCommScore(css []model.CommScore, rs model.Rules) []model.CommScore {
defer func() {
err := recover()
if err != nil {
logger.Fatalln("Unexpected error happened, RuleFunc conversion failed, please check the ruleFuncMap")
}
}()
if len(rs) == 0 {
logger.Warnln("There are no rules in the evaluation")
return css
}
for index := 0; index < len(css); index++ {
for _, r := range rs {
css[index] = RuleFuncMap[r.RuleFunc](css[index])
}
}
return css
}
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