feat(monitor): 自 go-hua 迁入系统资源监控

- Start 后台每秒采集(CPU/内存/磁盘/网络/进程/连接/主机), GetInfo 取快照 - 基于 gopsutil, 附测试、examples/monitor 例程与包 README
2026-09-20 12:29:37 +08:00
parent 138c929bd4
commit 30a0889ffa
11 changed files with 963 additions and 0 deletions
@@ -0,0 +1,93 @@
+package monitor
+
+import (
+	"fmt"
+	"strconv"
+
+	"github.com/shirou/gopsutil/v3/cpu"
+)
+
+// CPU CPU 采集信息
+type CPU struct {
+	CPU       int32   `json:"cpu"`
+	VendorID  string  `json:"vendorId"`
+	ModelName string  `json:"modelName"`
+	Mhz       float64 `json:"mhz"`
+	Cores     int32   `json:"cores"`
+}
+
+// CpuBaseInfo CPU 基本信息（型号/核心数/频率等，gopsutil cpu.Info）
+type CpuBaseInfo struct {
+	Core  int   `json:"core"`
+	Logic int   `json:"logic"`
+	Info  []CPU `json:"info"`
+}
+
+// CpuInfo 每逻辑核心使用率
+type CpuInfo struct {
+	CpuBaseInfo
+	CpuUsedInfo
+}
+
+// CpuUsedInfo CPU 使用率明细（含用户/系统/空闲等占比）
+type CpuUsedInfo struct {
+	UsedPercent float64   `json:"usedPercent"`
+	Used        []float64 `json:"used"`
+}
+
+// CpuInfoLite 精简版 CPU 信息
+type CpuInfoLite struct {
+	Core        int       `json:"core"`
+	Logic       int       `json:"logic"`
+	Name        []string  `json:"name"`
+	UsedPercent float64   `json:"usedPercent"`
+	Used        []float64 `json:"used"`
+}
+
+// getCpuInfo 采集 CPU 基础信息与每核心使用率
+func getCpuInfo() (CpuInfo, error) {
+	info := CpuInfo{}
+	cpuInfo, err := cpu.Info()
+	if err != nil {
+		return info, err
+	}
+	info.Info = make([]CPU, len(cpuInfo))
+	for i, v := range cpuInfo {
+		info.Info[i].CPU = v.CPU
+		info.Info[i].VendorID = v.VendorID
+		info.Info[i].ModelName = v.ModelName
+		info.Info[i].Mhz = v.Mhz
+		info.Info[i].Cores = v.Cores
+	}
+
+	core, err := cpu.Counts(false)
+	if err != nil {
+		return info, err
+	}
+	logic, err := cpu.Counts(true)
+	if err != nil {
+		return info, err
+	}
+
+	info.Core = core
+	info.Logic = logic
+	return info, nil
+}
+
+// getCpuUsed 采集 CPU 使用率明细
+func getCpuUsed() (CpuUsedInfo, error) {
+	info := CpuUsedInfo{}
+	percent, err := cpu.Percent(0, true)
+	if err != nil {
+		return info, err
+	}
+	var usedPercent float64 = 0.0
+	for i, v := range percent {
+		percent[i], _ = strconv.ParseFloat(fmt.Sprintf("%.1f", v), 64)
+		usedPercent += v
+	}
+	usedPercent, _ = strconv.ParseFloat(fmt.Sprintf("%.1f", usedPercent/float64(len(percent))), 64)
+	info.Used = percent
+	info.UsedPercent = usedPercent
+	return info, nil
+}