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@@ -17,15 +17,19 @@ import (
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"github.com/beckn/beckn-onix/pkg/plugin/definition"
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)
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// TODO: Add unit tests for the plugin manager functions to ensure proper functionality and error handling.
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// Manager is responsible for managing dynamically loaded plugins.
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type Manager struct {
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plugins map[string]*plugin.Plugin
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closers []func()
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plugins map[string]*plugin.Plugin // plugins holds the dynamically loaded plugins.
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closers []func() // closers contains functions to release resources when the manager is closed.
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}
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func validateMgrCfg(cfg *ManagerConfig) error {
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return nil
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}
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// NewManager initializes a new Manager instance by loading plugins from the specified configuration.
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func NewManager(ctx context.Context, cfg *ManagerConfig) (*Manager, func(), error) {
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if err := validateMgrCfg(cfg); err != nil {
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return nil, nil, fmt.Errorf("Invalid config: %w", err)
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@@ -64,14 +68,10 @@ func plugins(ctx context.Context, cfg *ManagerConfig) (map[string]*plugin.Plugin
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if strings.HasSuffix(d.Name(), ".so") {
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id := strings.TrimSuffix(d.Name(), ".so") // Extract plugin ID
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log.Debugf(ctx, "Loading plugin: %s", id)
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start := time.Now()
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p, err := plugin.Open(path) // Use the full path
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p, elapsed, err := loadPlugin(ctx, path, id)
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if err != nil {
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return fmt.Errorf("failed to open plugin %s: %w", id, err)
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return err
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}
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elapsed := time.Since(start)
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plugins[id] = p
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log.Debugf(ctx, "Loaded plugin: %s in %s", id, elapsed)
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}
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@@ -85,6 +85,20 @@ func plugins(ctx context.Context, cfg *ManagerConfig) (map[string]*plugin.Plugin
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return plugins, nil
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}
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// loadPlugin attempts to load a plugin from the given path and logs the execution time.
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func loadPlugin(ctx context.Context, path, id string) (*plugin.Plugin, time.Duration, error) {
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log.Debugf(ctx, "Loading plugin: %s", id)
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start := time.Now()
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p, err := plugin.Open(path)
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if err != nil {
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return nil, 0, fmt.Errorf("failed to open plugin %s: %w", id, err)
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}
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elapsed := time.Since(start)
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return p, elapsed, nil
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}
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func provider[T any](plugins map[string]*plugin.Plugin, id string) (T, error) {
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var zero T
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pgn, ok := plugins[id]
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@@ -105,8 +119,8 @@ func provider[T any](plugins map[string]*plugin.Plugin, id string) (T, error) {
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return pp, nil
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}
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// GetPublisher returns a Publisher instance based on the provided configuration.
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// It reuses the loaded provider.
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// Publisher returns a Publisher instance based on the provided configuration.
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// It reuses the loaded provider and registers a cleanup function.
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func (m *Manager) Publisher(ctx context.Context, cfg *Config) (definition.Publisher, error) {
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pp, err := provider[definition.PublisherProvider](m.plugins, cfg.ID)
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if err != nil {
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@@ -120,12 +134,15 @@ func (m *Manager) Publisher(ctx context.Context, cfg *Config) (definition.Publis
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return p, nil
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}
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// addCloser appends a cleanup function to the Manager's closers list.
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func (m *Manager) addCloser(closer func()) {
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if closer != nil {
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m.closers = append(m.closers, closer)
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}
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}
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// SchemaValidator returns a SchemaValidator instance based on the provided configuration.
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// It registers a cleanup function for resource management.
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func (m *Manager) SchemaValidator(ctx context.Context, cfg *Config) (definition.SchemaValidator, error) {
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vp, err := provider[definition.SchemaValidatorProvider](m.plugins, cfg.ID)
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if err != nil {
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@@ -145,12 +162,17 @@ func (m *Manager) SchemaValidator(ctx context.Context, cfg *Config) (definition.
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return v, nil
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}
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// Router returns a Router instance based on the provided configuration.
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// It registers a cleanup function for resource management.
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func (m *Manager) Router(ctx context.Context, cfg *Config) (definition.Router, error) {
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rp, err := provider[definition.RouterProvider](m.plugins, cfg.ID)
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if err != nil {
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return nil, fmt.Errorf("failed to load provider for %s: %w", cfg.ID, err)
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}
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router, closer, err := rp.New(ctx, cfg.Config)
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if err != nil {
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return nil, err
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}
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if closer != nil {
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m.addCloser(func() {
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if err := closer(); err != nil {
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@@ -161,6 +183,7 @@ func (m *Manager) Router(ctx context.Context, cfg *Config) (definition.Router, e
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return router, nil
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}
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// Middleware returns an HTTP middleware function based on the provided configuration.
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func (m *Manager) Middleware(ctx context.Context, cfg *Config) (func(http.Handler) http.Handler, error) {
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mwp, err := provider[definition.MiddlewareProvider](m.plugins, cfg.ID)
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if err != nil {
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@@ -169,6 +192,7 @@ func (m *Manager) Middleware(ctx context.Context, cfg *Config) (func(http.Handle
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return mwp.New(ctx, cfg.Config)
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}
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// Step returns a Step instance based on the provided configuration.
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func (m *Manager) Step(ctx context.Context, cfg *Config) (definition.Step, error) {
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sp, err := provider[definition.StepProvider](m.plugins, cfg.ID)
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if err != nil {
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@@ -181,6 +205,8 @@ func (m *Manager) Step(ctx context.Context, cfg *Config) (definition.Step, error
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return step, error
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}
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// Cache returns a Cache instance based on the provided configuration.
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// It registers a cleanup function for resource management.
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func (m *Manager) Cache(ctx context.Context, cfg *Config) (definition.Cache, error) {
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cp, err := provider[definition.CacheProvider](m.plugins, cfg.ID)
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if err != nil {
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@@ -198,6 +224,8 @@ func (m *Manager) Cache(ctx context.Context, cfg *Config) (definition.Cache, err
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return c, nil
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}
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// Signer returns a Signer instance based on the provided configuration.
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// It registers a cleanup function for resource management.
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func (m *Manager) Signer(ctx context.Context, cfg *Config) (definition.Signer, error) {
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sp, err := provider[definition.SignerProvider](m.plugins, cfg.ID)
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if err != nil {
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@@ -216,6 +244,9 @@ func (m *Manager) Signer(ctx context.Context, cfg *Config) (definition.Signer, e
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}
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return s, nil
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}
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// Encryptor returns an Encrypter instance based on the provided configuration.
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// It registers a cleanup function for resource management.
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func (m *Manager) Encryptor(ctx context.Context, cfg *Config) (definition.Encrypter, error) {
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ep, err := provider[definition.EncrypterProvider](m.plugins, cfg.ID)
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if err != nil {
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@@ -235,6 +266,8 @@ func (m *Manager) Encryptor(ctx context.Context, cfg *Config) (definition.Encryp
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return encrypter, nil
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}
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// Decryptor returns a Decrypter instance based on the provided configuration.
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// It registers a cleanup function for resource management.
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func (m *Manager) Decryptor(ctx context.Context, cfg *Config) (definition.Decrypter, error) {
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dp, err := provider[definition.DecrypterProvider](m.plugins, cfg.ID)
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if err != nil {
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@@ -257,6 +290,8 @@ func (m *Manager) Decryptor(ctx context.Context, cfg *Config) (definition.Decryp
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return decrypter, nil
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}
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// SignValidator returns a SignValidator instance based on the provided configuration.
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// It registers a cleanup function for resource management.
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func (m *Manager) SignValidator(ctx context.Context, cfg *Config) (definition.SignValidator, error) {
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svp, err := provider[definition.SignValidatorProvider](m.plugins, cfg.ID)
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if err != nil {
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