[agent-wdd] 基本完成Info部分的整理

agent-wdd/config/Memory.go

@@ -0,0 +1,155 @@
+package config
+
+import (
+	"agent-wdd/log"
+	"os"
+	"os/exec"
+	"strconv"
+	"strings"
+)
+
+func (mem *Memory) Gather() {
+	// 获取内存总大小
+	data, err := os.ReadFile("/proc/meminfo")
+	if err != nil {
+		mem.Size = "0B"
+		mem.Type = ""
+		mem.Speed = 0
+		return
+	}
+	lines := strings.Split(string(data), "\n")
+	//var totalKB uint64
+	for _, line := range lines {
+		if strings.HasPrefix(line, "MemTotal:") {
+			fields := strings.Fields(line)
+			if len(fields) >= 3 {
+				kb, err := strconv.ParseUint(fields[1], 10, 64)
+				if err != nil {
+					mem.Size = "0B"
+				} else {
+					mem.Size = formatSize(kb * 1024)
+				}
+				break
+			}
+		}
+	}
+	// 获取Type和Speed
+	mem.Type, mem.Speed = getMemoryTypeAndSpeed()
+}
+
+func getMemoryTypeAndSpeed() (string, int) {
+	cmd := exec.Command("dmidecode", "-t", "memory")
+	output, err := cmd.CombinedOutput()
+	if err != nil {
+		return "", 0
+	}
+	var memType string
+	var speed int
+	lines := strings.Split(string(output), "\n")
+	for _, line := range lines {
+		trimmed := strings.TrimSpace(line)
+		if strings.HasPrefix(trimmed, "Type:") {
+			parts := strings.SplitN(trimmed, ":", 2)
+			if len(parts) == 2 {
+				memType = strings.TrimSpace(parts[1])
+				// 可能dmidecode返回的类型中有更多细节，例如"DDR4"或其他
+				// 例如，如果类型是"Unknown"，可能需要处理
+				if memType == "Unknown" || memType == "Other" {
+					memType = ""
+				}
+			}
+		} else if strings.HasPrefix(trimmed, "Speed:") {
+			parts := strings.SplitN(trimmed, ":", 2)
+			if len(parts) == 2 {
+				speedStr := strings.TrimSpace(parts[1])
+				// 可能的格式如 "2667 MHz" 或 "Unknown"
+				if speedStr == "Unknown" {
+					continue
+				}
+				speedStr = strings.TrimSuffix(speedStr, " MHz")
+				s, err := strconv.Atoi(speedStr)
+				if err == nil {
+					speed = s
+				}
+			}
+		}
+	}
+	return memType, speed
+}
+
+func (mem *Memory) SaveConfig() {
+	log.Info("Saving INFO => MEM !")
+
+	ConfigCache.Agent.Mem = *mem
+	SaveConfig()
+}
+
+func (swap *Swap) Gather() {
+
+	log.Info("Gathering INFO => SWAP !")
+
+	const swapsFile = "/proc/swaps"
+	data, err := os.ReadFile(swapsFile)
+	if err != nil {
+		swap.Open = false
+		swap.Size = "0B"
+		return
+	}
+
+	lines := strings.Split(strings.TrimSpace(string(data)), "\n")
+	if len(lines) < 2 { // 空文件或只有标题行
+		swap.Open = false
+		swap.Size = "0B"
+		return
+	}
+
+	var totalKB uint64
+	for _, line := range lines[1:] {
+		line = strings.TrimSpace(line)
+		if line == "" {
+			continue
+		}
+
+		fields := strings.Fields(line)
+		if len(fields) < 3 {
+			continue
+		}
+
+		sizeKB, err := strconv.ParseUint(fields[2], 10, 64)
+		if err != nil {
+			continue
+		}
+		totalKB += sizeKB
+	}
+
+	if totalKB == 0 {
+		swap.Open = false
+		swap.Size = "0B"
+	} else {
+		swap.Open = true
+		swap.Size = formatSize(totalKB * 1024)
+	}
+}
+
+func formatSize(bytes uint64) string {
+	units := []string{"B", "KB", "MB", "GB", "TB", "PB"}
+	var unitIndex int
+	size := float64(bytes)
+
+	for size >= 1024 && unitIndex < len(units)-1 {
+		size /= 1024
+		unitIndex++
+	}
+
+	if unitIndex == 0 {
+		return strconv.FormatUint(bytes, 10) + units[unitIndex]
+	}
+	return strconv.FormatFloat(size, 'f', 1, 64) + units[unitIndex]
+}
+
+func (swap *Swap) SaveConfig() {
+	log.Info("Saving INFO => SWAP !")
+
+	ConfigCache.Agent.Swap = *swap
+	SaveConfig()
+}