package main
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import (
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"basic.com/pubsub/protomsg.git"
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logger "github.com/alecthomas/log4go"
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"github.com/knetic/govaluate"
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"ruleprocess/structure"
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"strconv"
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)
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//入侵算法
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func Entrance(rule *protomsg.Rule, am *structure.AreaMap,lable *structure.Others,args *structure.SdkDatas,message *protomsg.SdkMessage) structure.LittleRuleResult {
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if rule.PolygonId == am.AreaId { // 首先这条规则得是这个算法的规则，其次规则所对应的区域id要跟区域数据的id对的上
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return filterRule(rule, am)
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} else {
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return structure.LittleRuleResult{}
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}
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}
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// 过滤规则先筛选出符合条件的目标数量
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func filterRule(rule *protomsg.Rule, am *structure.AreaMap) structure.LittleRuleResult {
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// 处理的都是yolo数据
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if rule.SdkArgAlias == "score" || rule.SdkArgAlias == "proportion" || rule.SdkArgAlias == "size" { // 判断的是相似值，占比，尺寸等过滤条件，如果再有，还可以再加
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//logger.Debug("---------走了入侵算法",rule.Id,rule.SdkArgAlias,rule.Operator,rule.SdkArgValue,am.AreaId)
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var args []*structure.Arg
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if rule.RuleWithPre == "&&" {
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args = am.FilterData
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} else {
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args = am.Args
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}
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// 先清空过滤后的数据，再往里塞本次过滤后的数据
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am.FilterData = am.FilterData[0:0]
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//logger.Debug("看看args：：：：：", args)
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for _, arg := range args {
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var formula string
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switch rule.SdkArgAlias {
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case "score":
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formula = strconv.FormatFloat(arg.Score, 'f', -1, 64) + " " + rule.Operator + " " + rule.SdkArgValue
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//logger.Info("相似度小公式：", formula)
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case "proportion":
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formula = strconv.FormatFloat(arg.Proportion, 'f', -1, 64) + " " + rule.Operator + " " + rule.SdkArgValue
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//logger.Info("占比公式：", formula)
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case "size":
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formula = strconv.FormatFloat(arg.Size, 'f', -1, 64) + " " + rule.Operator + " " + rule.SdkArgValue
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//logger.Info("尺寸小公式：", formula)
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}
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expression, _ := govaluate.NewEvaluableExpression(formula) // 得到数学公式
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result, _ := expression.Evaluate(nil) // 得到数学公式的结果
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if result.(bool) {
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am.FilterData = append(am.FilterData, arg) // 得到符合条件的过滤数据
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}
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}
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am.TargetNum = len(am.FilterData) // 把符合条件的目标数量更新到targetNum字段
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if am.TargetNum > 0 {
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return structure.LittleRuleResult{am.SdkName, rule.RuleWithPre + "" + "true", rule.Sort}
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} else {
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return structure.LittleRuleResult{am.SdkName, rule.RuleWithPre + "" + "false", rule.Sort}
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}
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} else if rule.SdkArgAlias == "" {
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if am.TargetNum > 0 {
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return structure.LittleRuleResult{am.SdkName, rule.RuleWithPre + "" + "true", rule.Sort}
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} else {
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return structure.LittleRuleResult{am.SdkName, rule.RuleWithPre + "" + "false", rule.Sort}
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}
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}
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return structure.LittleRuleResult{}
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}
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