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92 lines
2.7 KiB
92 lines
2.7 KiB
package core
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import (
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"fmt"
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"log"
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"net/http"
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"time"
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"github.com/shirou/gopsutil/v3/cpu"
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"github.com/shirou/gopsutil/v3/disk"
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"github.com/shirou/gopsutil/v3/mem"
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"github.com/shirou/gopsutil/v3/net"
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"github.com/shirou/gopsutil/v3/process"
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)
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// 系统监控
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func SysMonitor(w http.ResponseWriter, r *http.Request) {
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// 设置 CORS 头部
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w.Header().Set("Access-Control-Allow-Origin", "*")
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w.Header().Set("Access-Control-Allow-Methods", "GET")
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w.Header().Set("Access-Control-Allow-Headers", "Content-Type")
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// 磁盘容量信息
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diskInfo, err := disk.Usage("/")
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if err != nil {
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fmt.Println("获取磁盘信息失败:", err)
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return
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} else {
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fmt.Println("=== 磁盘信息 ===")
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fmt.Printf("总容量: %.2f GB\n", float64(diskInfo.Total)/1024/1024/1024)
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fmt.Printf("已使用: %.2f GB\n", float64(diskInfo.Used)/1024/1024/1024)
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fmt.Printf("可用空间: %.2f GB\n", float64(diskInfo.Free)/1024/1024/1024)
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fmt.Printf("使用率: %.2f%%\n", diskInfo.UsedPercent)
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}
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// 获取CPU占用率 (需要等待1秒来计算)
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cpuPercent, err := cpu.Percent(time.Second, false)
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if err != nil {
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log.Printf("获取CPU信息失败: %v", err)
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} else {
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fmt.Println("\n=== CPU信息 ===")
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fmt.Printf("CPU使用率: %.2f%%\n", cpuPercent[0])
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}
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// 获取内存占用信息
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memInfo, err := mem.VirtualMemory()
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if err != nil {
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log.Printf("获取内存信息失败: %v", err)
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} else {
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fmt.Println("\n=== 内存信息 ===")
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fmt.Printf("总内存: %.2f GB\n", float64(memInfo.Total)/1024/1024/1024)
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fmt.Printf("已使用: %.2f GB\n", float64(memInfo.Used)/1024/1024/1024)
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fmt.Printf("可用内存: %.2f GB\n", float64(memInfo.Available)/1024/1024/1024)
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fmt.Printf("内存使用率: %.2f%%\n", memInfo.UsedPercent)
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}
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// 获取网络流量信息
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netIO, err := net.IOCounters(false)
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if err != nil {
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log.Printf("获取网络信息失败: %v", err)
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} else if len(netIO) > 0 {
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fmt.Println("\n=== 网络信息 ===")
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fmt.Printf("总接收: %.2f MB\n", float64(netIO[0].BytesRecv)/1024/1024)
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fmt.Printf("总发送: %.2f MB\n", float64(netIO[0].BytesSent)/1024/1024)
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fmt.Printf("接收包数: %d\n", netIO[0].PacketsRecv)
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fmt.Printf("发送包数: %d\n", netIO[0].PacketsSent)
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}
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// 获取系统进程信息 (只获取前5个进程)
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processes, err := process.Processes()
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if err != nil {
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log.Printf("获取进程信息失败: %v", err)
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} else {
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fmt.Println("\n=== 进程信息 (前5个) ===")
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count := 0
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for _, p := range processes {
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if count >= 5 {
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break
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}
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pid := p.Pid
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name, _ := p.Name()
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cpuPercent, _ := p.CPUPercent()
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memPercent, _ := p.MemoryPercent()
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fmt.Printf("PID: %d, 名称: %s, CPU使用率: %.2f%%, 内存使用率: %.2f%%\n",
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pid, name, cpuPercent, memPercent)
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count++
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}
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}
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}
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