Initial commit for ClawGo

pkg/tools/system.go

@@ -0,0 +1,85 @@
+package tools
+
+import (
+	"context"
+	"fmt"
+	"os"
+	"runtime"
+	"strings"
+	"syscall"
+)
+
+type SystemInfoTool struct {}
+
+func NewSystemInfoTool() *SystemInfoTool {
+	return &SystemInfoTool{}
+}
+
+func (t *SystemInfoTool) Name() string {
+	return "system_info"
+}
+
+func (t *SystemInfoTool) Description() string {
+	return "Get current system status (CPU, RAM, Disk)."
+}
+
+func (t *SystemInfoTool) Parameters() map[string]interface{} {
+	return map[string]interface{}{
+		"type": "object",
+		"properties": map[string]interface{}{},
+	}
+}
+
+func (t *SystemInfoTool) Execute(ctx context.Context, args map[string]interface{}) (string, error) {
+	info := fmt.Sprintf("System Info:\n")
+	info += fmt.Sprintf("OS: %s %s\n", runtime.GOOS, runtime.GOARCH)
+
+	// Load Average
+	if data, err := os.ReadFile("/proc/loadavg"); err == nil {
+		info += fmt.Sprintf("Load Avg: %s", string(data))
+	} else {
+		info += "Load Avg: N/A\n"
+	}
+
+	// RAM from /proc/meminfo
+	if data, err := os.ReadFile("/proc/meminfo"); err == nil {
+		lines := strings.Split(string(data), "\n")
+		var total, free, available uint64
+		for _, line := range lines {
+			if strings.HasPrefix(line, "MemTotal:") {
+				fmt.Sscanf(line, "MemTotal: %d kB", &total)
+			} else if strings.HasPrefix(line, "MemFree:") {
+				fmt.Sscanf(line, "MemFree: %d kB", &free)
+			} else if strings.HasPrefix(line, "MemAvailable:") {
+				fmt.Sscanf(line, "MemAvailable: %d kB", &available)
+			}
+		}
+		if total > 0 {
+			// fallback if Available not present (older kernels)
+			if available == 0 {
+				available = free // very rough approximation
+			}
+			used := total - available
+			info += fmt.Sprintf("RAM: Used %.2f GB / Total %.2f GB (%.2f%%)\n", 
+				float64(used)/1024/1024, float64(total)/1024/1024, float64(used)/float64(total)*100)
+		}
+	} else {
+		info += "RAM: N/A\n"
+	}
+
+	// Disk usage for /
+	var stat syscall.Statfs_t
+	if err := syscall.Statfs("/", &stat); err == nil {
+		// Cast to uint64 to avoid overflow/type mismatch
+		bsize := uint64(stat.Bsize)
+		total := stat.Blocks * bsize
+		free := stat.Bfree * bsize
+		used := total - free
+		info += fmt.Sprintf("Disk (/): Used %.2f GB / Total %.2f GB (%.2f%%)\n",
+			float64(used)/1024/1024/1024, float64(total)/1024/1024/1024, float64(used)/float64(total)*100)
+	} else {
+		info += "Disk: N/A\n"
+	}
+
+	return info, nil
+}