解锁企业计算机监控的关键：基于 Go 语言的精准洞察算法

package main
import (
    "fmt"
    "syscall"
)
type ProcessInfo struct {
    Pid      int
    Name     string
    CpuUsage float64
}
func getRunningProcesses() []ProcessInfo {
    var processes []ProcessInfo
    // 遍历系统进程，这里简化处理，实际需适配不同操作系统细节
    for _, proc := range syscall.Getpid() {
        p := ProcessInfo{
            Pid:  proc.Pid,
            Name: proc.Name,
            // 获取 CPU 使用率较为复杂，此处假设已有函数实现
            CpuUsage: getCpuUsage(proc.Pid), 
        }
        processes = append(processes, p)
    }
    return processes
}
func main() {
    runningProcesses := getRunningProcesses()
    for _, p := range runningProcesses {
        fmt.Printf("进程 PID: %d, 名称: %s, CPU 使用率: %.2f\n", p.Pid, p.Name, p.CpuUsage)
    }
}

package main
import (
    "fmt"
    "net"
)
type TrafficStats struct {
    SrcIP    net.IP
    DstIP    net.IP
    SrcPort  int
    DstPort  int
    Protocol string
    Traffic  int64
}
func analyzeNetworkTraffic() []TrafficStats {
    var trafficStats []TrafficStats
    // 模拟从网络设备或抓包工具获取数据包信息，实际需对接底层接口
    for _, packet := range getNetworkPackets() {
        ts := TrafficStats{
            SrcIP:    packet.SrcIP,
            DstIP:    packet.DstIP,
            SrcPort:  packet.SrcPort,
            DstPort:  packet.DstPort,
            Protocol: packet.Protocol,
            // 计算流量大小较为复杂，假设已有函数实现
            Traffic:  calculateTraffic(packet), 
        }
        trafficStats = append(trafficStats, ts)
    }
    return trafficStats
}
func main() {
    networkTraffic := analyzeNetworkTraffic()
    for _, ts := range networkTraffic {
        fmt.Printf("源 IP: %s, 目标 IP: %s, 源端口: %d, 目标端口: %d, 协议: %s, 流量: %d bytes\n",
            ts.SrcIP, ts.DstIP, ts.SrcPort, ts.DstPort, ts.Protocol, ts.Traffic)
    }
}

package main
import (
    "database/sql"
    "fmt"
    "time"
    _ "github.com/mattn/go-sqlite3"
)
type AppUsageRecord struct {
    AppName      string
    StartTime    time.Time
    EndTime      time.Time
    UsageSeconds int
}
func recordAppUsage() {
    db, err := sql.Open("sqlite3", "app_usage.db")
    if err!= nil {
        fmt.Println("数据库连接错误:", err)
        return
    }
    defer db.Close()
    // 模拟检测到应用程序启动和关闭事件，获取相关时间戳
    start := time.Now()
    // 假设经过一段时间应用程序关闭，获取关闭时间
    end := start.Add(time.Minute * 30) 
    appName := "OfficeSuite"
    record := AppUsageRecord{
        AppName:      appName,
        StartTime:    start,
        EndTime:      end,
        UsageSeconds: int(end.Sub(start).Seconds()),
    }
    _, err = db.Exec("INSERT INTO app_usage (app_name, start_time, end_time, usage_seconds) VALUES (?,?,?,?)",
        record.AppName, record.StartTime, record.EndTime, record.UsageSeconds)
    if err!= nil {
        fmt.Println("数据插入错误:", err)
        return
    }
    fmt.Println("应用程序使用记录已成功保存。")
}
func main() {
    recordAppUsage()
}