feat: 新增 sys.uptime/net.iface/net.conn/net.speed/proc.tree/file.empty/user.info 命令

internal/executor/netiface.go

@@ -0,0 +1,50 @@
+package executor
+
+import (
+	"context"
+	"fmt"
+	"net"
+)
+
+// runNetIface implements `kopsc net iface`: show network interfaces and IPs.
+func runNetIface(ctx context.Context, req BuiltinRequest) error {
+	ifaces, err := net.Interfaces()
+	if err != nil {
+		return fmt.Errorf("获取网卡列表失败: %w", err)
+	}
+
+	for _, iface := range ifaces {
+		// Skip loopback if not requested
+		if iface.Flags&net.FlagLoopback != 0 {
+			continue
+		}
+
+		// Status
+		status := "DOWN"
+		if iface.Flags&net.FlagUp != 0 {
+			status = "UP"
+		}
+
+		fmt.Fprintf(req.Stdout, "%s: <%s> mtu %d\n", iface.Name, status, iface.MTU)
+
+		// MAC address
+		if len(iface.HardwareAddr) > 0 {
+			fmt.Fprintf(req.Stdout, "    MAC:  %s\n", iface.HardwareAddr.String())
+		}
+
+		// IP addresses
+		addrs, err := iface.Addrs()
+		if err != nil {
+			continue
+		}
+		for _, addr := range addrs {
+			fmt.Fprintf(req.Stdout, "    IP:   %s\n", addr.String())
+		}
+
+		// Flags
+		fmt.Fprintf(req.Stdout, "    标志: %s\n", iface.Flags.String())
+		fmt.Fprintln(req.Stdout)
+	}
+
+	return nil
+}