fix(driver-agent): 修复老版本 Win10 升级后金仓驱动代理启动失败

refs #177

internal/db/driver_agent_binary_check.go

@@ -0,0 +1,74 @@
+package db
+
+import (
+	"debug/pe"
+	"fmt"
+	"runtime"
+	"strings"
+)
+
+const (
+	peMachineI386  uint16 = 0x014c
+	peMachineAmd64 uint16 = 0x8664
+	peMachineArm64 uint16 = 0xaa64
+)
+
+func windowsMachineLabel(machine uint16) string {
+	switch machine {
+	case peMachineI386:
+		return "windows-386"
+	case peMachineAmd64:
+		return "windows-amd64"
+	case peMachineArm64:
+		return "windows-arm64"
+	default:
+		return fmt.Sprintf("windows-unknown(0x%04x)", machine)
+	}
+}
+
+func expectedWindowsMachineForGoArch(goarch string) (uint16, string, bool) {
+	switch strings.ToLower(strings.TrimSpace(goarch)) {
+	case "386":
+		return peMachineI386, "windows-386", true
+	case "amd64":
+		return peMachineAmd64, "windows-amd64", true
+	case "arm64":
+		return peMachineArm64, "windows-arm64", true
+	default:
+		return 0, "", false
+	}
+}
+
+func validateWindowsExecutableMachine(pathText string) error {
+	file, err := pe.Open(pathText)
+	if err != nil {
+		return fmt.Errorf("无法识别为有效的 Windows 可执行文件：%w", err)
+	}
+	defer file.Close()
+
+	expectedMachine, expectedLabel, ok := expectedWindowsMachineForGoArch(runtime.GOARCH)
+	if !ok {
+		return nil
+	}
+	actualMachine := file.FileHeader.Machine
+	if actualMachine != expectedMachine {
+		return fmt.Errorf("可执行文件架构不兼容（文件=%s，当前进程=%s）", windowsMachineLabel(actualMachine), expectedLabel)
+	}
+	return nil
+}
+
+// ValidateOptionalDriverAgentExecutable 校验可选驱动代理二进制是否可在当前进程中执行。
+// 当前主要用于 Windows 下的 PE 架构兼容性校验，避免升级后复用到错误架构的旧代理。
+func ValidateOptionalDriverAgentExecutable(driverType string, executablePath string) error {
+	pathText := strings.TrimSpace(executablePath)
+	if pathText == "" {
+		return fmt.Errorf("%s 驱动代理路径为空", driverDisplayName(driverType))
+	}
+	if runtime.GOOS != "windows" {
+		return nil
+	}
+	if err := validateWindowsExecutableMachine(pathText); err != nil {
+		return fmt.Errorf("%s 驱动代理不可用：%w", driverDisplayName(driverType), err)
+	}
+	return nil
+}