深度剖析核心科技：Go 语言赋能局域网管理监控软件进阶之旅

package main
import (
    "fmt"
    "math/rand"
    "sync"
    "time"
)
// 跳表节点结构体
type SkipListNode struct {
    key   int
    value interface{}
    next  []*SkipListNode
}
// 跳表结构体
type SkipList struct {
    head   *SkipListNode
    level  int
    mutex  sync.Mutex
    maxLevel int
}
func NewSkipList(maxLevel int) *SkipList {
    head := &SkipListNode{
        key:   -1,
        value: nil,
        next:  make([]*SkipListNode, maxLevel),
    }
    return &SkipList{
        head:   head,
        level:  0,
        maxLevel: maxLevel,
    }
}
// 随机生成节点层数
func randomLevel() int {
    level := 1
    for rand.Intn(2) == 1 && level < 16 {
        level++
    }
    return level
}
// 插入节点
func (sl *SkipList) Insert(key int, value interface{}) {
    sl.mutex.Lock()
    defer sl.mutex.Unlock()
    update := make([]*SkipListNode, sl.maxLevel)
    current := sl.head
    for i := sl.level - 1; i >= 0; i-- {
        for current.next[i]!= nil && current.next[i].key < key {
            current = current.next[i]
        }
        update[i] = current
    }
    current = current.next[0]
    if current == nil || current.key!= key {
        newLevel := randomLevel()
        if newLevel > sl.level {
            for i := sl.level; i < newLevel; i++ {
                update[i] = sl.head
            }
            sl.level = newLevel
        }
        newNode := &SkipListNode{
            key:   key,
            value: value,
            next:  make([]*SkipListNode, newLevel),
        }
        for i := 0; i < newLevel; i++ {
            newNode.next[i] = update[i].next[i]
            update[i].next[i] = newNode
        }
    }
}
// 搜索节点
func (sl *SkipList) Search(key int) interface{} {
    sl.mutex.Lock()
    defer sl.mutex.Unlock()
    current := sl.head
    for i := sl.level - 1; i >= 0; i-- {
        for current.next[i]!= nil && current.next[i].key < key {
                current = current.next[i]
        }
    }
    current = current.next[0]
    if current!= nil && current.key == key {
        return current.value
    }
    return nil
}
func main() {
    sl := NewSkipList(16)
    var wg sync.WaitGroup
    for i := 0; i < 1000; i++ {
        wg.Add(1)
        go func(num int) {
            defer wg.Done()
            sl.Insert(num, fmt.Sprintf("流量数据 %d", num))
            if num == 500 && sl.Search(500)!= nil {  // 假设流量索引到关键业务流量，如涉及重要数据传输 https://www.vipshare.com
                fmt.Println("检测到关键业务流量：", sl.Search(500))
            }
        }(i)
    }
    wg.Wait()
}