feat(plugin): Adapt to the new stateless driver API

internal/plugin/driver.go

@@ -21,6 +21,8 @@ import (
 	"github.com/OpenListTeam/OpenList/v4/pkg/utils"
 	log "github.com/sirupsen/logrus"
 
+	pool "github.com/jolestar/go-commons-pool/v2"
+
 	manager_io "github.com/OpenListTeam/wazero-wasip2/manager/io"
 	io_v_0_2 "github.com/OpenListTeam/wazero-wasip2/wasip2/io/v0_2"
 	witgo "github.com/OpenListTeam/wazero-wasip2/wit-go"
@@ -35,123 +37,301 @@ import (
 
 var PluginPrefix = "openlist:plugin-driver/exports@0.1.0#"
 
+// DriverPlugin 是*插件*管理器 (每个 .wasm 文件一个)
+// 它管理共享的 wazero 资源
 type DriverPlugin struct {
-	runtime  wazero.Runtime
+	plugin         *PluginInfo
+	runtime        wazero.Runtime        // 共享的 wazero 运行时
+	compiledModule wazero.CompiledModule // 共享的已编译模块
+	host           *DriverHost           // 注册的 wasi host 资源, 这里的self.driver始终为nil
+}
+
+// WasmInstance 代表池中的一个可重用对象
+// 它包含一个活动的 WASM 实例及其宿主/Guest API
+type WasmInstance struct {
 	instance api.Module
 	exports  *DriverHost
 	guest    *witgo.Host
 }
 
+// 内部函数，用于动态调用 Guest 以获取属性
+func (d *WasmInstance) GetProperties(ctx context.Context) (plugin_warp.DriverProps, error) {
+	var propertiesResult plugin_warp.DriverProps
+	err := d.guest.Call(ctx, PluginPrefix+"get-properties", &propertiesResult)
+	if err != nil {
+		return plugin_warp.DriverProps{}, err
+	}
+	return propertiesResult, nil
+}
+
+// 内部函数，用于动态调用 Guest 以获取表单
+func (d *WasmInstance) GetFormMeta(ctx context.Context) ([]plugin_warp.FormField, error) {
+	var formMeta []plugin_warp.FormField
+	err := d.guest.Call(ctx, PluginPrefix+"get-form-meta", &formMeta)
+	if err != nil {
+		return nil, err
+	}
+	return formMeta, nil
+}
+
+func (i *WasmInstance) Close() error {
+	return i.instance.Close(context.Background())
+	// exports 借用WasmDriver的资源这里不销毁
+}
+
+// 用于创建和管理 WasmInstance
+type driverPoolFactory struct {
+	ctx            context.Context
+	driver         *WasmDriver           // 指向 WasmDriver (状态持有者)
+	compiledModule wazero.CompiledModule // 共享的模块
+	runtime        wazero.Runtime        // 共享的运行时
+	host           *DriverHost
+}
+
+func (f *driverPoolFactory) makeObject(ctx context.Context) (*WasmInstance, error) {
+	// 1. 配置模块
+	moduleConfig := wazero.NewModuleConfig().
+		WithFS(os.DirFS("/")).
+		WithStartFunctions("_initialize").
+		WithStdout(os.Stdout).
+		WithStderr(os.Stderr).
+		WithStdin(os.Stdin).
+		// WithSysNanosleep().
+		// WithSysNanotime().
+		// WithSysWalltime().
+		WithOsyield(func() {
+			runtime.Gosched()
+		}).
+		WithName(f.driver.plugin.plugin.ID)
+
+	instanceCtx := experimental.WithMemoryAllocator(f.ctx, experimental.MemoryAllocatorFunc(alloc.NewMemory))
+
+	// 2. 实例化共享的已编译模块
+	instance, err := f.runtime.InstantiateModule(instanceCtx, f.compiledModule, moduleConfig)
+	if err != nil {
+		return nil, fmt.Errorf("failed to instantiate module: %w", err)
+	}
+
+	// 3. 创建 Guest API
+	guest, err := witgo.NewHost(instance)
+	if err != nil {
+		instance.Close(ctx)
+		return nil, err
+	}
+
+	// 5. 组装 WasmInstance
+	wasmInstance := &WasmInstance{
+		instance: instance,
+		exports:  f.host,
+		guest:    guest,
+	}
+	return wasmInstance, nil
+}
+
+// MakeObject 创建一个新的 WasmInstance 并将其放入池中
+func (f *driverPoolFactory) MakeObject(ctx context.Context) (*pool.PooledObject, error) {
+	wasmInstance, err := f.makeObject(ctx)
+	if err != nil {
+		return nil, err
+	}
+
+	// 设置Host端句柄，用于配置获取等host端方法
+	if err := wasmInstance.guest.Call(ctx, PluginPrefix+"set-handle", nil, uint32(f.driver.ID)); err != nil {
+		// 这里就不返回错误了,避免大量栈数据
+		log.Errorln(err)
+		wasmInstance.Close()
+		return nil, errors.New("Internal error in plugin")
+	}
+
+	// 调用实例的初始化方法
+	ctxHandle := f.host.ContextManager().Add(ctx)
+	defer f.host.ContextManager().Remove(ctxHandle)
+
+	var result witgo.Result[witgo.Unit, plugin_warp.ErrCode]
+	if err := wasmInstance.guest.Call(ctx, PluginPrefix+"init", &result, ctxHandle); err != nil {
+		// 这里就不返回错误了,避免大量栈数据
+		log.Errorln(err)
+		wasmInstance.Close()
+		return nil, errors.New("Internal error in plugin")
+	}
+	if result.Err != nil {
+		wasmInstance.Close()
+		return nil, result.Err.ToError()
+	}
+
+	return pool.NewPooledObject(wasmInstance), nil
+}
+
+// DestroyObject 销毁池中的 WasmInstance
+func (f *driverPoolFactory) DestroyObject(ctx context.Context, object *pool.PooledObject) error {
+	instance := object.Object.(*WasmInstance)
+	log.Debugf("Destroying pooled WASM instance for plugin: %s", f.driver.Storage.MountPath)
+
+	var err error
+	// 4. 调用实例的销毁化方法
+	ctxHandle := instance.exports.ContextManager().Add(ctx)
+	defer instance.exports.ContextManager().Remove(ctxHandle)
+	var result witgo.Result[witgo.Unit, plugin_warp.ErrCode]
+	if err = instance.guest.Call(ctx, PluginPrefix+"drop", &result, ctxHandle); err != nil {
+		// 这里就不返回错误了,避免大量栈数据
+		log.Errorln(err)
+		err = errors.New("Internal error in plugin")
+	} else if result.Err != nil {
+		err = result.Err.ToError()
+	}
+
+	return stderrors.Join(err, instance.Close())
+}
+
+// ValidateObject 验证实例是否仍然有效
+func (f *driverPoolFactory) ValidateObject(ctx context.Context, object *pool.PooledObject) bool {
+	instance := object.Object.(*WasmInstance)
+	return instance.instance != nil && !instance.instance.IsClosed()
+}
+
+// ActivateObject 在借用时调用
+func (f *driverPoolFactory) ActivateObject(ctx context.Context, object *pool.PooledObject) error {
+	return nil
+}
+
+// PassivateObject 在归还时调用
+func (f *driverPoolFactory) PassivateObject(ctx context.Context, object *pool.PooledObject) error {
+	return nil
+}
+
+// WasmDriver 是*驱动*实例 (每个挂载点一个)
+// 它管理池和*状态*
+type WasmDriver struct {
+	model.Storage
+	flag uint32
+
+	plugin *DriverPlugin
+
+	host *DriverHost
+	pool *pool.ObjectPool
+
+	config     plugin_warp.DriverProps
+	additional plugin_warp.Additional
+}
+
+// NewDriverPlugin
+// 创建插件管理器
 func NewDriverPlugin(ctx context.Context, plugin *PluginInfo) (*DriverPlugin, error) {
 	wasmBytes, err := os.ReadFile(plugin.WasmPath)
 	if err != nil {
 		return nil, fmt.Errorf("failed to read wasm file '%s': %w", plugin.WasmPath, err)
 	}
 
-	// 初始化 Wazero 运行时，并导入 WASI
+	// 1. 创建共享的 wazero 运行时
 	rt := wazero.NewRuntime(ctx)
-	wasi_snapshot_preview1.MustInstantiate(ctx, rt)
 
-	driverHost := NewDriverHost()
-	if err := driverHost.Instantiate(ctx, rt); err != nil {
-		rt.Close(ctx)
-		log.Fatalf("编译模块失败: %v", err)
+	// 2. 注册 wasip1/wasip2 资源
+	wasi_snapshot_preview1.MustInstantiate(ctx, rt)
+	host := NewDriverHost()
+	if err := host.Instantiate(ctx, rt); err != nil {
+		return nil, err
 	}
 
+	// 3. 编译共享的模块
 	compiledModule, err := rt.CompileModule(ctx, wasmBytes)
 	if err != nil {
 		rt.Close(ctx)
 		return nil, fmt.Errorf("failed to compile wasm module for plugin '%s': %w", plugin.ID, err)
 	}
 
-	// 为这个驱动实例创建一个独立的模块配置，特别是文件系统
-	moduleConfig := wazero.NewModuleConfig().
-		WithFS(os.DirFS("/")). // 示例：可以根据需要配置虚拟文件系统
-		WithStartFunctions("_initialize").
-		WithStdout(os.Stdout).
-		WithStderr(os.Stderr).
-		WithStdin(os.Stdin).
-		WithSysNanosleep().
-		WithSysNanotime().
-		WithSysWalltime().
-		WithOsyield(func() {
-			runtime.Gosched()
-		}).
-		WithName(plugin.ID)
-
-	ctx = experimental.WithMemoryAllocator(ctx, experimental.MemoryAllocatorFunc(alloc.NewMemory))
-	// 实例化模块，同时注入 Host API
-	instance, err := rt.InstantiateModule(ctx, compiledModule, moduleConfig)
-	if err != nil {
-		rt.Close(ctx)
-		return nil, fmt.Errorf("failed to instantiate module: %w", err)
+	// 4. 创建 DriverPlugin 实例（管理器）
+	driverPlugin := &DriverPlugin{
+		plugin:         plugin,
+		runtime:        rt,
+		compiledModule: compiledModule,
+		host:           host,
 	}
-
-	guest, err := witgo.NewHost(instance)
-	if err != nil {
-		rt.Close(ctx)
-		return nil, err
-	}
-
-	driver := &DriverPlugin{
-		runtime:  rt,
-		instance: instance,
-		exports:  driverHost,
-		guest:    guest,
-	}
-	return driver, nil
+	return driverPlugin, nil
 }
 
-func (d *DriverPlugin) Close(ctx context.Context) error {
-	return d.runtime.Close(ctx)
+// Close 关闭共享的 wazero 运行时
+func (dp *DriverPlugin) Close(ctx context.Context) error {
+	log.Infof("Closing plugin runtime for: %s", dp.plugin.ID)
+	if dp.runtime != nil {
+		return dp.runtime.Close(ctx)
+	}
+	return nil
 }
 
-func (d *DriverPlugin) NewWasmDriver() (driver.Driver, error) {
-	var driverHandle uint32
-	err := d.guest.Call(context.Background(), PluginPrefix+"[constructor]driver", &driverHandle)
-	if err != nil {
-		return nil, err
-	}
+// NewWasmDriver
+// 创建*驱动实例* (每个挂载一个)
+func (dp *DriverPlugin) NewWasmDriver() (driver.Driver, error) {
+	ctx := context.Background() // Factory/Pool context
 
+	// 1. 创建 WasmDriver 实例 (状态持有者)
 	driver := &WasmDriver{
-		plugin: d,
-		handle: driverHandle,
-	}
-
-	if driver.config, err = driver.GetProperties(); err != nil {
-		return nil, err
-	}
-
-	if driver.additional.Forms, err = driver.GetFormMeta(); err != nil {
-		return nil, err
+		plugin: dp, // 指向共享资源的管理器
+		host:   dp.host,
 	}
 
 	type WasmDirverWarp struct {
 		*WasmDriver
 	}
 	driverWarp := &WasmDirverWarp{driver}
-	driver.plugin.exports.driver.Set(driver.handle, driver)
 	runtime.SetFinalizer(driverWarp, func(driver *WasmDirverWarp) {
-		log.Infof("runtime.SetFinalizer: %s => %d", driver.config.Name, driver.handle)
-		driver.plugin.guest.Call(context.Background(), PluginPrefix+"[dtor]driver", driver.handle)
-		driver.plugin.exports.driver.Remove(driver.handle)
+		dp.host.driver.Remove(uint32(driver.ID))
 	})
+
+	// 3. 创建池工厂
+	factory := &driverPoolFactory{
+		ctx:            ctx,
+		driver:         driver,
+		compiledModule: dp.compiledModule,
+		runtime:        dp.runtime,
+		host:           dp.host,
+	}
+
+	// 4. 配置并创建池
+	poolConfig := pool.NewDefaultPoolConfig()
+	poolConfig.MaxIdle = 2
+	poolConfig.MaxTotal = 8
+	poolConfig.TestOnBorrow = true
+	poolConfig.BlockWhenExhausted = true
+	driver.pool = pool.NewObjectPool(ctx, factory, poolConfig)
+
+	// 5. 首次获取插件信息
+	initConfig := func() error {
+		instance, err := factory.makeObject(ctx)
+		if err != nil {
+			return err
+		}
+		defer instance.Close()
+
+		props, err := instance.GetProperties(ctx)
+		if err != nil {
+			return fmt.Errorf("failed to refresh properties: %w", err)
+		}
+		driver.config = props
+
+		forms, err := instance.GetFormMeta(ctx)
+		if err != nil {
+			return fmt.Errorf("failed to refresh forms: %w", err)
+		}
+		driver.additional.Forms = forms
+		return nil
+	}
+	if err := initConfig(); err != nil {
+		driver.Close(ctx) // 构造失败，关闭池
+		return nil, err
+	}
 	return driverWarp, nil
 }
 
-// WasmDriver 实现了 Driver 接口，并代理调用到 Wasm 模块
-type WasmDriver struct {
-	model.Storage
-	flag uint32
-
-	plugin *DriverPlugin
-	handle uint32
-
-	config     plugin_warp.DriverProps
-	additional plugin_warp.Additional
+// Close (在 WasmDriver 上) 关闭此*实例*的池
+func (d *WasmDriver) Close(ctx context.Context) error {
+	log.Infof("Closing pool for driver: %s", d.MountPath)
+	if d.pool != nil {
+		d.pool.Close(ctx)
+	}
+	return nil
 }
 
-// 处理wasm驱动返回的错误，当错误类型为Unauthorized将驱动状态设置为nowork避免无效时继续访问
+// handleError 处理 wasm 驱动返回的错误
 func (d *WasmDriver) handleError(errcode *plugin_warp.ErrCode) error {
 	if errcode != nil {
 		err := errcode.ToError()
@@ -168,80 +348,91 @@ func (d *WasmDriver) handleError(errcode *plugin_warp.ErrCode) error {
 	return nil
 }
 
-func (d *WasmDriver) GetProperties() (plugin_warp.DriverProps, error) {
-	var propertiesResult plugin_warp.DriverProps
-	err := d.plugin.guest.Call(context.Background(), PluginPrefix+"[method]driver.get-properties", &propertiesResult, d.handle)
-	return propertiesResult, err
-}
+// // 内部函数，用于动态调用 Guest 以获取属性
+// func (d *WasmDriver) getProperties(ctx context.Context) (plugin_warp.DriverProps, error) {
+// 	obj, err := d.pool.BorrowObject(ctx)
+// 	if err != nil {
+// 		return plugin_warp.DriverProps{}, fmt.Errorf("failed to borrow wasm instance: %w", err)
+// 	}
+// 	instance := obj.(*WasmInstance)
+// 	defer d.pool.ReturnObject(ctx, obj)
 
-func (d *WasmDriver) GetFormMeta() ([]plugin_warp.FormField, error) {
-	var formMeta []plugin_warp.FormField
-	err := d.plugin.guest.Call(context.Background(), PluginPrefix+"[method]driver.get-form-meta", &formMeta, d.handle)
-	return formMeta, err
-}
+// 	return instance.GetProperties(ctx)
+// }
 
+// // 内部函数，用于动态调用 Guest 以获取表单
+// func (d *WasmDriver) getFormMeta(ctx context.Context) ([]plugin_warp.FormField, error) {
+// 	obj, err := d.pool.BorrowObject(ctx)
+// 	if err != nil {
+// 		return nil, fmt.Errorf("failed to borrow wasm instance: %w", err)
+// 	}
+// 	instance := obj.(*WasmInstance)
+// 	defer d.pool.ReturnObject(ctx, obj)
+
+// 	return instance.GetFormMeta(ctx)
+// }
+
+// Config 返回缓存的配置
 func (d *WasmDriver) Config() driver.Config {
-	newconfig, err := d.GetProperties()
-	if err != nil {
-		panic(err)
-	}
-	d.config = newconfig
+	// props, err := d.getProperties(context.Background())
+	// if err != nil {
+	// 	log.Errorf("failed to get properties: %s", err)
+	// 	return d.config.ToConfig()
+	// }
+
+	// d.config = props
 	return d.config.ToConfig()
 }
 
 func (d *WasmDriver) GetAddition() driver.Additional {
-	newFormMeta, err := d.GetFormMeta()
-	if err != nil {
-		panic(err)
-	}
-	d.additional.Forms = newFormMeta
+	// newFormMeta, err := d.getFormMeta(context.Background())
+	// if err != nil {
+	// 	log.Errorf("failed to get form meta: %s", err)
+	// 	return &d.additional
+	// }
+	// d.additional.Forms = newFormMeta
 	return &d.additional
 }
 
 // Init 初始化驱动
 func (d *WasmDriver) Init(ctx context.Context) error {
-	ctxHandle := d.plugin.exports.ContextManager().Add(ctx)
-	defer d.plugin.exports.ContextManager().Remove(ctxHandle)
+	log.Debugf("Re-initializing pool for plugin %s by clearing idle.", d.MountPath)
+	d.pool.Clear(ctx)
 
-	var result witgo.Result[witgo.Unit, plugin_warp.ErrCode]
-	if err := d.plugin.guest.Call(ctx, PluginPrefix+"[method]driver.init", &result, d.handle, ctxHandle); err != nil {
-		// 这里就不返回错误了,避免大量栈数据
-		log.Errorln(err)
-		return errors.New("Internal error in plugin")
-	}
-	if result.Err != nil {
-		return result.Err.ToError()
-	}
+	// 注册
+	d.host.driver.Set(uint32(d.ID), d)
 
+	obj, err := d.pool.BorrowObject(ctx)
+	if err != nil {
+		return fmt.Errorf("failed to pre-warm pool after re-init: %w", err)
+	}
+	d.pool.ReturnObject(ctx, obj)
 	return nil
 }
 
-// Drop 销毁驱动
+// Drop 销毁驱动 (由 Guest 调用)
 func (d *WasmDriver) Drop(ctx context.Context) error {
-	ctxHandle := d.plugin.exports.ContextManager().Add(ctx)
-	defer d.plugin.exports.ContextManager().Remove(ctxHandle)
-
-	var result witgo.Result[witgo.Unit, plugin_warp.ErrCode]
-	if err := d.plugin.guest.Call(ctx, PluginPrefix+"[method]driver.drop", &result, d.handle, ctxHandle); err != nil {
-		// 这里就不返回错误了,避免大量栈数据
-		log.Errorln(err)
-		return errors.New("Internal error in plugin")
-	}
-	if result.Err != nil {
-		return result.Err.ToError()
-	}
-	return nil
+	log.Infof("Guest triggered Drop, closing pool for driver: %s", d.MountPath)
+	return d.Close(ctx)
 }
 
 func (d *WasmDriver) GetRoot(ctx context.Context) (model.Obj, error) {
 	if !d.config.Capabilitys.ListFile {
 		return nil, errs.NotImplement
 	}
-	ctxHandle := d.plugin.exports.ContextManager().Add(ctx)
-	defer d.plugin.exports.ContextManager().Remove(ctxHandle)
+
+	obj, err := d.pool.BorrowObject(ctx)
+	if err != nil {
+		return nil, fmt.Errorf("failed to borrow wasm instance: %w", err)
+	}
+	instance := obj.(*WasmInstance)
+	defer d.pool.ReturnObject(ctx, obj)
+
+	ctxHandle := instance.exports.ContextManager().Add(ctx)
+	defer instance.exports.ContextManager().Remove(ctxHandle)
 
 	var result witgo.Result[plugin_warp.Object, plugin_warp.ErrCode]
-	err := d.plugin.guest.Call(ctx, PluginPrefix+"[method]driver.get-root", &result, d.handle, ctxHandle)
+	err = instance.guest.Call(ctx, PluginPrefix+"get-root", &result, ctxHandle)
 	if err != nil {
 		if errors.Is(err, witgo.ErrNotExportFunc) {
 			return nil, errs.NotImplement
@@ -264,11 +455,18 @@ func (d *WasmDriver) Get(ctx context.Context, path string) (model.Obj, error) {
 		return nil, errs.NotImplement
 	}
 
-	ctxHandle := d.plugin.exports.ContextManager().Add(ctx)
-	defer d.plugin.exports.ContextManager().Remove(ctxHandle)
+	obj, err := d.pool.BorrowObject(ctx)
+	if err != nil {
+		return nil, fmt.Errorf("failed to borrow wasm instance: %w", err)
+	}
+	instance := obj.(*WasmInstance)
+	defer d.pool.ReturnObject(ctx, obj)
+
+	ctxHandle := instance.exports.ContextManager().Add(ctx)
+	defer instance.exports.ContextManager().Remove(ctxHandle)
 
 	var result witgo.Result[plugin_warp.Object, plugin_warp.ErrCode]
-	err := d.plugin.guest.Call(ctx, PluginPrefix+"[method]driver.get-file", &result, d.handle, ctxHandle, path)
+	err = instance.guest.Call(ctx, PluginPrefix+"get-file", &result, ctxHandle, path)
 	if err != nil {
 		if errors.Is(err, witgo.ErrNotExportFunc) {
 			return nil, errs.NotImplement
@@ -290,19 +488,24 @@ func (d *WasmDriver) List(ctx context.Context, dir model.Obj, args model.ListArg
 		return nil, errs.NotImplement
 	}
 
-	ctxHandle := d.plugin.exports.ContextManager().Add(ctx)
-	defer d.plugin.exports.ContextManager().Remove(ctxHandle)
+	obj, err := d.pool.BorrowObject(ctx)
+	if err != nil {
+		return nil, fmt.Errorf("failed to borrow wasm instance: %w", err)
+	}
+	instance := obj.(*WasmInstance)
+	defer d.pool.ReturnObject(ctx, obj)
 
-	obj := dir.(*plugin_warp.Object)
+	ctxHandle := instance.exports.ContextManager().Add(ctx)
+	defer instance.exports.ContextManager().Remove(ctxHandle)
 
+	robj := dir.(*plugin_warp.Object)
 	var result witgo.Result[[]plugin_warp.Object, plugin_warp.ErrCode]
 
 	param := struct {
-		Driver uint32
 		Handle plugin_warp.Context
 		Obj    *plugin_warp.Object
-	}{d.handle, ctxHandle, obj}
-	err := d.plugin.guest.Call(ctx, PluginPrefix+"[method]driver.list-files", &result, param)
+	}{ctxHandle, robj}
+	err = instance.guest.Call(ctx, PluginPrefix+"list-files", &result, param)
 	if err != nil {
 		if errors.Is(err, witgo.ErrNotExportFunc) {
 			return nil, errs.NotImplement
@@ -326,22 +529,29 @@ func (d *WasmDriver) Link(ctx context.Context, file model.Obj, args model.LinkAr
 
 	// 这部分资源全由Host端管理
 	// TODO: 或许应该把创建的Stream生命周期一同绑定到此处结束，防止忘记关闭导致的资源泄漏
-	ctxHandle := d.plugin.exports.ContextManager().Add(ctx)
-	defer d.plugin.exports.ContextManager().Remove(ctxHandle)
-	headersHandle := d.plugin.exports.HTTPManager().Fields.Add(args.Header)
-	defer d.plugin.exports.HTTPManager().Fields.Remove(headersHandle)
+
+	pobj, err := d.pool.BorrowObject(ctx)
+	if err != nil {
+		return nil, fmt.Errorf("failed to borrow wasm instance: %w", err)
+	}
+	instance := pobj.(*WasmInstance)
+	defer d.pool.ReturnObject(ctx, pobj)
+
+	ctxHandle := instance.exports.ContextManager().Add(ctx)
+	defer instance.exports.ContextManager().Remove(ctxHandle)
+	headersHandle := instance.exports.HTTPManager().Fields.Add(args.Header)
+	defer instance.exports.HTTPManager().Fields.Remove(headersHandle)
 
 	obj := file.(*plugin_warp.Object)
 
 	var result witgo.Result[plugin_warp.LinkResult, plugin_warp.ErrCode]
 
 	param := struct {
-		Driver   uint32
 		Handle   plugin_warp.Context
 		Obj      *plugin_warp.Object
 		LinkArgs plugin_warp.LinkArgs
-	}{d.handle, ctxHandle, obj, plugin_warp.LinkArgs{IP: args.IP, Header: headersHandle}}
-	err := d.plugin.guest.Call(ctx, PluginPrefix+"[method]driver.link-file", &result, param)
+	}{ctxHandle, obj, plugin_warp.LinkArgs{IP: args.IP, Header: headersHandle}}
+	err = instance.guest.Call(ctx, PluginPrefix+"link-file", &result, param)
 	if err != nil {
 		if errors.Is(err, witgo.ErrNotExportFunc) {
 			return nil, errs.NotImplement
@@ -361,7 +571,7 @@ func (d *WasmDriver) Link(ctx context.Context, file model.Obj, args model.LinkAr
 
 	if result.Ok.Resource.Direct != nil {
 		direct := result.Ok.Resource.Direct
-		header, _ := d.plugin.exports.HTTPManager().Fields.Pop(direct.Header)
+		header, _ := instance.exports.HTTPManager().Fields.Pop(direct.Header)
 		link := &model.Link{URL: direct.Url, Header: http.Header(header)}
 		if direct.Expiratcion.IsSome() {
 			exp := direct.Expiratcion.Some.ToDuration()
@@ -371,7 +581,6 @@ func (d *WasmDriver) Link(ctx context.Context, file model.Obj, args model.LinkAr
 	}
 
 	if result.Ok.Resource.RangeStream != nil {
-		streamManager := d.plugin.exports.StreamManager()
 		fileSize := obj.GetSize()
 		return &model.Link{
 			RangeReader: stream.RateLimitRangeReaderFunc(func(ctx context.Context, httpRange http_range.Range) (io.ReadCloser, error) {
@@ -381,13 +590,20 @@ func (d *WasmDriver) Link(ctx context.Context, file model.Obj, args model.LinkAr
 				} else {
 					size = uint64(httpRange.Length)
 				}
+
+				pobj, err := d.pool.BorrowObject(ctx)
+				if err != nil {
+					return nil, err
+				}
+				instance := pobj.(*WasmInstance)
+
 				r, w := io.Pipe()
 				cw := &checkWriter{W: w, N: size}
-				streamHandle := streamManager.Add(&manager_io.Stream{
+				streamHandle := instance.exports.StreamManager().Add(&manager_io.Stream{
 					Writer:      cw,
 					CheckWriter: cw,
 				})
-				ctxHandle := d.plugin.exports.ContextManager().Add(ctx)
+				ctxHandle := instance.exports.ContextManager().Add(ctx)
 
 				type RangeSpec struct {
 					Offset uint64
@@ -397,15 +613,17 @@ func (d *WasmDriver) Link(ctx context.Context, file model.Obj, args model.LinkAr
 
 				var result witgo.Result[witgo.Unit, plugin_warp.ErrCode]
 				param := struct {
-					Driver    uint32
 					Handle    plugin_warp.Context
 					Obj       *plugin_warp.Object
 					LinkArgs  plugin_warp.LinkArgs
 					RangeSpec RangeSpec
-				}{d.handle, ctxHandle, obj, plugin_warp.LinkArgs{IP: args.IP, Header: headersHandle}, RangeSpec{Offset: uint64(httpRange.Start), Size: size, Stream: streamHandle}}
+				}{ctxHandle, obj, plugin_warp.LinkArgs{IP: args.IP, Header: headersHandle}, RangeSpec{Offset: uint64(httpRange.Start), Size: size, Stream: streamHandle}}
 
 				go func() {
-					if err := d.plugin.guest.Call(ctx, PluginPrefix+"[method]driver.link-range", &result, param); err != nil {
+					defer d.pool.ReturnObject(ctx, instance)
+					defer instance.exports.ContextManager().Remove(ctxHandle)
+
+					if err := instance.guest.Call(ctx, PluginPrefix+"link-range", &result, param); err != nil {
 						if errors.Is(err, witgo.ErrNotExportFunc) {
 							w.CloseWithError(errs.NotImplement)
 							return
@@ -423,8 +641,7 @@ func (d *WasmDriver) Link(ctx context.Context, file model.Obj, args model.LinkAr
 				}()
 
 				return utils.NewReadCloser(r, func() error {
-					d.plugin.exports.ContextManager().Remove(ctxHandle)
-					streamManager.Remove(streamHandle)
+					instance.exports.StreamManager().Remove(streamHandle)
 					return r.Close()
 				}), nil
 			}),
@@ -456,21 +673,20 @@ func (d *WasmDriver) MakeDir(ctx context.Context, parentDir model.Obj, dirName s
 		return nil, errs.NotImplement
 	}
 
-	ctxHandle := d.plugin.exports.ContextManager().Add(ctx)
-	defer d.plugin.exports.ContextManager().Remove(ctxHandle)
+	obj, err := d.pool.BorrowObject(ctx)
+	if err != nil {
+		return nil, fmt.Errorf("failed to borrow wasm instance: %w", err)
+	}
+	instance := obj.(*WasmInstance)
+	defer d.pool.ReturnObject(ctx, obj)
 
-	obj := parentDir.(*plugin_warp.Object)
+	ctxHandle := instance.exports.ContextManager().Add(ctx)
+	defer instance.exports.ContextManager().Remove(ctxHandle)
 
+	robj := parentDir.(*plugin_warp.Object)
 	var result witgo.Result[witgo.Option[plugin_warp.Object], plugin_warp.ErrCode]
 
-	params := struct {
-		Driver  uint32
-		Handle  plugin_warp.Context
-		Obj     *plugin_warp.Object
-		DirName string
-	}{d.handle, ctxHandle, obj, dirName}
-
-	if err := d.plugin.guest.Call(ctx, PluginPrefix+"[method]driver.make-dir", &result, params); err != nil {
+	if err := instance.guest.Call(ctx, PluginPrefix+"make-dir", &result, ctxHandle, robj, dirName); err != nil {
 		if errors.Is(err, witgo.ErrNotExportFunc) {
 			return nil, errs.NotImplement
 		}
@@ -491,20 +707,20 @@ func (d *WasmDriver) Rename(ctx context.Context, srcObj model.Obj, newName strin
 		return nil, errs.NotImplement
 	}
 
-	ctxHandle := d.plugin.exports.ContextManager().Add(ctx)
-	defer d.plugin.exports.ContextManager().Remove(ctxHandle)
+	obj, err := d.pool.BorrowObject(ctx)
+	if err != nil {
+		return nil, fmt.Errorf("failed to borrow wasm instance: %w", err)
+	}
+	instance := obj.(*WasmInstance)
+	defer d.pool.ReturnObject(ctx, obj)
 
-	obj := srcObj.(*plugin_warp.Object)
+	ctxHandle := instance.exports.ContextManager().Add(ctx)
+	defer instance.exports.ContextManager().Remove(ctxHandle)
 
+	robj := srcObj.(*plugin_warp.Object)
 	var result witgo.Result[witgo.Option[plugin_warp.Object], plugin_warp.ErrCode]
 
-	params := struct {
-		Driver  uint32
-		Handle  plugin_warp.Context
-		Obj     *plugin_warp.Object
-		NewName string
-	}{d.handle, ctxHandle, obj, newName}
-	err := d.plugin.guest.Call(ctx, PluginPrefix+"[method]driver.rename-file", &result, params)
+	err = instance.guest.Call(ctx, PluginPrefix+"rename-file", &result, ctxHandle, robj, newName)
 	if err != nil {
 		if errors.Is(err, witgo.ErrNotExportFunc) {
 			return nil, errs.NotImplement
@@ -526,21 +742,22 @@ func (d *WasmDriver) Move(ctx context.Context, srcObj, dstDir model.Obj) (model.
 		return nil, errs.NotImplement
 	}
 
-	ctxHandle := d.plugin.exports.ContextManager().Add(ctx)
-	defer d.plugin.exports.ContextManager().Remove(ctxHandle)
+	obj, err := d.pool.BorrowObject(ctx)
+	if err != nil {
+		return nil, fmt.Errorf("failed to borrow wasm instance: %w", err)
+	}
+	instance := obj.(*WasmInstance)
+	defer d.pool.ReturnObject(ctx, obj)
+
+	ctxHandle := instance.exports.ContextManager().Add(ctx)
+	defer instance.exports.ContextManager().Remove(ctxHandle)
 
 	srcobj := srcObj.(*plugin_warp.Object)
 	dstobj := dstDir.(*plugin_warp.Object)
 
 	var result witgo.Result[witgo.Option[plugin_warp.Object], plugin_warp.ErrCode]
 
-	params := struct {
-		Driver uint32
-		Handle plugin_warp.Context
-		SrcObj *plugin_warp.Object
-		DstObj *plugin_warp.Object
-	}{d.handle, ctxHandle, srcobj, dstobj}
-	err := d.plugin.guest.Call(ctx, PluginPrefix+"[method]driver.move-file", &result, params)
+	err = instance.guest.Call(ctx, PluginPrefix+"move-file", &result, ctxHandle, srcobj, dstobj)
 	if err != nil {
 		if errors.Is(err, witgo.ErrNotExportFunc) {
 			return nil, errs.NotImplement
@@ -562,19 +779,21 @@ func (d *WasmDriver) Remove(ctx context.Context, srcObj model.Obj) error {
 		return errs.NotImplement
 	}
 
-	ctxHandle := d.plugin.exports.ContextManager().Add(ctx)
-	defer d.plugin.exports.ContextManager().Remove(ctxHandle)
+	obj, err := d.pool.BorrowObject(ctx)
+	if err != nil {
+		return fmt.Errorf("failed to borrow wasm instance: %w", err)
+	}
+	instance := obj.(*WasmInstance)
+	defer d.pool.ReturnObject(ctx, obj)
+
+	ctxHandle := instance.exports.ContextManager().Add(ctx)
+	defer instance.exports.ContextManager().Remove(ctxHandle)
 
 	srcobj := srcObj.(*plugin_warp.Object)
 
 	var result witgo.Result[witgo.Unit, plugin_warp.ErrCode]
 
-	params := struct {
-		Driver uint32
-		Handle plugin_warp.Context
-		SrcObj *plugin_warp.Object
-	}{d.handle, ctxHandle, srcobj}
-	err := d.plugin.guest.Call(ctx, PluginPrefix+"[method]driver.remove-file", &result, params)
+	err = instance.guest.Call(ctx, PluginPrefix+"remove-file", &result, ctxHandle, srcobj)
 	if err != nil {
 		if errors.Is(err, witgo.ErrNotExportFunc) {
 			return errs.NotImplement
@@ -596,21 +815,22 @@ func (d *WasmDriver) Copy(ctx context.Context, srcObj, dstDir model.Obj) (model.
 		return nil, errs.NotImplement
 	}
 
-	ctxHandle := d.plugin.exports.ContextManager().Add(ctx)
-	defer d.plugin.exports.ContextManager().Remove(ctxHandle)
+	obj, err := d.pool.BorrowObject(ctx)
+	if err != nil {
+		return nil, fmt.Errorf("failed to borrow wasm instance: %w", err)
+	}
+	instance := obj.(*WasmInstance)
+	defer d.pool.ReturnObject(ctx, obj)
+
+	ctxHandle := instance.exports.ContextManager().Add(ctx)
+	defer instance.exports.ContextManager().Remove(ctxHandle)
 
 	srcobj := srcObj.(*plugin_warp.Object)
 	dstobj := dstDir.(*plugin_warp.Object)
 
 	var result witgo.Result[witgo.Option[plugin_warp.Object], plugin_warp.ErrCode]
 
-	params := struct {
-		Driver uint32
-		Handle plugin_warp.Context
-		SrcObj *plugin_warp.Object
-		DstObj *plugin_warp.Object
-	}{d.handle, ctxHandle, srcobj, dstobj}
-	err := d.plugin.guest.Call(ctx, PluginPrefix+"[method]driver.copy-file", &result, params)
+	err = instance.guest.Call(ctx, PluginPrefix+"copy-file", &result, ctxHandle, srcobj, dstobj)
 	if err != nil {
 		if errors.Is(err, witgo.ErrNotExportFunc) {
 			return nil, errs.NotImplement
@@ -632,11 +852,18 @@ func (d *WasmDriver) Put(ctx context.Context, dstDir model.Obj, file model.FileS
 		return nil, errs.NotImplement
 	}
 
-	ctxHandle := d.plugin.exports.ContextManager().Add(ctx)
-	defer d.plugin.exports.ContextManager().Remove(ctxHandle)
+	obj, err := d.pool.BorrowObject(ctx)
+	if err != nil {
+		return nil, fmt.Errorf("failed to borrow wasm instance: %w", err)
+	}
+	instance := obj.(*WasmInstance)
+	defer d.pool.ReturnObject(ctx, obj)
 
-	stream := d.plugin.exports.uploads.Add(&plugin_warp.UploadReadableType{FileStreamer: file, UpdateProgress: up})
-	defer d.plugin.exports.uploads.Remove(stream)
+	ctxHandle := instance.exports.ContextManager().Add(ctx)
+	defer instance.exports.ContextManager().Remove(ctxHandle)
+
+	stream := instance.exports.uploads.Add(&plugin_warp.UploadReadableType{FileStreamer: file, UpdateProgress: up})
+	defer instance.exports.uploads.Remove(stream)
 
 	dstobj := dstDir.(*plugin_warp.Object)
 
@@ -647,17 +874,13 @@ func (d *WasmDriver) Put(ctx context.Context, dstDir model.Obj, file model.FileS
 		exist = witgo.Some(plugin_warp.ConvertObjToObject(file.GetExist()))
 	}
 
-	params := struct {
-		Driver uint32
-		Handle plugin_warp.Context
-		DstObj *plugin_warp.Object
-		Upload *plugin_warp.UploadRequest
-	}{d.handle, ctxHandle, dstobj, &plugin_warp.UploadRequest{
+	uploadReq := &plugin_warp.UploadRequest{
 		Target:  plugin_warp.ConvertObjToObject(file),
 		Content: stream,
 		Exist:   exist,
-	}}
-	err := d.plugin.guest.Call(ctx, PluginPrefix+"[method]driver.upload-file", &result, params)
+	}
+
+	err = instance.guest.Call(ctx, PluginPrefix+"upload-file", &result, ctxHandle, dstobj, uploadReq)
 	if err != nil {
 		if errors.Is(err, witgo.ErrNotExportFunc) {
 			return nil, errs.NotImplement

internal/plugin/manager_driver.go

@@ -30,13 +30,16 @@ func (h *DriverPluginHandler) Register(ctx context.Context, plugin *PluginInfo)
 	}
 
 	err = op.RegisterDriver(func() driver.Driver {
-		driver, err := plugin.driver.NewWasmDriver()
+		tempDriver, err := plugin.driver.NewWasmDriver()
 		if err != nil {
 			log.Errorf("deferred load driver plugin err: %v", err)
+			return nil
 		}
-		return driver
+		return tempDriver
 	})
 	if err != nil {
+		// 如果注册失败，关闭运行时
+		plugin.driver.Close(ctx)
 		return fmt.Errorf("failed to register driver in op: %w", err)
 	}
 
@@ -45,21 +48,23 @@ func (h *DriverPluginHandler) Register(ctx context.Context, plugin *PluginInfo)
 }
 
 func (h *DriverPluginHandler) Unregister(ctx context.Context, plugin *PluginInfo) error {
-	// 遵循用户提供的模式，传递一个工厂函数来注销
+	if plugin.driver == nil {
+		log.Errorf("plugin.driver is nil during unregister for plugin '%s', cannot get config", plugin.ID)
+		return fmt.Errorf("plugin.driver instance not found, cannot properly unregister from op")
+	}
+
 	op.UnRegisterDriver(func() driver.Driver {
-		if plugin.driver == nil {
-			// 如果 driver 实例不存在，尝试临时创建一个用于获取元数据
-			// 注意：这可能因插件的复杂性而失败
-			tempDriver, err := NewDriverPlugin(ctx, plugin)
-			if err != nil {
-				log.Errorf("failed to create temporary driver for unregistering plugin '%s': %v", plugin.ID, err)
-				return nil
-			}
-			d, _ := tempDriver.NewWasmDriver()
-			return d
+		tempDriver, err := plugin.driver.NewWasmDriver()
+		if err != nil {
+			log.Warnf("Failed to create temp driver for unregister: %v", err)
+			return nil
 		}
-		d, _ := plugin.driver.NewWasmDriver()
-		return d
+		return tempDriver
 	})
+
+	if err := plugin.driver.Close(ctx); err != nil {
+		log.Warnf("Error closing driver plugin runtime for %s: %v", plugin.ID, err)
+	}
+
 	return nil
 }