修改项目结构

cmii-uav-watchdog-agent/host_info/mem_service.go

@@ -0,0 +1,60 @@
+package services
+
+import (
+	"cmii-uav-watchdog-common/models"
+	"fmt"
+	"os"
+	"strconv"
+	"strings"
+)
+
+// NewMemoryInfo creates a new MemoryInfo instance with default values.
+func NewMemoryInfo() models.MemoryInfo {
+	return models.MemoryInfo{
+		Total:     0,
+		Free:      0,
+		Available: 0,
+	}
+}
+
+// GetMemoryInfo reads memory information from /proc/meminfo.
+func GetMemoryInfo() models.MemoryInfo {
+	memInfo := NewMemoryInfo()
+	data, err := os.ReadFile("/proc/meminfo")
+	if err != nil {
+		fmt.Println("Error reading /proc/meminfo:", err)
+		return memInfo
+	}
+
+	lines := strings.Split(string(data), "\n")
+	for _, line := range lines {
+		fields := strings.Fields(line)
+		if len(fields) < 2 {
+			continue
+		}
+		key := fields[0]
+		value, err := strconv.ParseUint(fields[1], 10, 64)
+		if err != nil {
+			fmt.Printf("Error parsing value for %s: %v\n", key, err)
+			continue
+		}
+
+		switch key {
+		case "MemTotal:":
+			memInfo.Total = value
+		case "MemFree:":
+			memInfo.Free = value
+		case "MemAvailable:":
+			memInfo.Available = value
+		}
+	}
+
+	return memInfo
+}
+
+/*
+Total Memory: 16384228 kB
+Free Memory: 1234567 kB
+Available Memory: 2345678 kB
+
+*/