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sklears_compose/plugin_architecture/
functions.rs

1//! Auto-generated module
2//!
3//! 🤖 Generated with [SplitRS](https://github.com/cool-japan/splitrs)
4
5use scirs2_core::ndarray::{Array1, Array2, ArrayView1, ArrayView2};
6use sklears_core::{
7    error::{Result as SklResult, SklearsError},
8    traits::Estimator,
9    types::Float,
10};
11use std::any::Any;
12use std::collections::{HashMap, HashSet};
13use std::fmt::Debug;
14use std::path::PathBuf;
15use std::sync::{Arc, RwLock};
16
17use super::types::{
18    ComponentConfig, ComponentContext, ComponentSchema, ConfigValue, ExampleRegressor,
19    ExampleScaler, ExampleTransformerFactory, ExampleTransformerPlugin, PluginCapability,
20    PluginConfig, PluginContext, PluginLoader, PluginMetadata, PluginRegistry,
21};
22
23/// Base trait for all plugins
24pub trait Plugin: Send + Sync + Debug {
25    /// Get plugin metadata
26    fn metadata(&self) -> &PluginMetadata;
27    /// Initialize the plugin
28    fn initialize(&mut self, context: &PluginContext) -> SklResult<()>;
29    /// Shutdown the plugin
30    fn shutdown(&mut self) -> SklResult<()>;
31    /// Get plugin capabilities
32    fn capabilities(&self) -> Vec<PluginCapability>;
33    /// Create a component instance
34    fn create_component(
35        &self,
36        component_type: &str,
37        config: &ComponentConfig,
38    ) -> SklResult<Box<dyn PluginComponent>>;
39    /// Validate plugin configuration
40    fn validate_config(&self, config: &ComponentConfig) -> SklResult<()>;
41    /// Get component schema for validation
42    fn get_component_schema(&self, component_type: &str) -> Option<ComponentSchema>;
43}
44/// Base trait for plugin components
45pub trait PluginComponent: Send + Sync + Debug {
46    /// Get component type
47    fn component_type(&self) -> &str;
48    /// Get component configuration
49    fn config(&self) -> &ComponentConfig;
50    /// Initialize component
51    fn initialize(&mut self, context: &ComponentContext) -> SklResult<()>;
52    /// Clone the component
53    fn clone_component(&self) -> Box<dyn PluginComponent>;
54    /// Convert to Any for downcasting
55    fn as_any(&self) -> &dyn Any;
56    /// Convert to mutable Any for downcasting
57    fn as_any_mut(&mut self) -> &mut dyn Any;
58}
59/// Plugin-based transformer
60pub trait PluginTransformer: PluginComponent {
61    /// Fit the transformer
62    fn fit(
63        &mut self,
64        x: &ArrayView2<'_, Float>,
65        y: Option<&ArrayView1<'_, Float>>,
66    ) -> SklResult<()>;
67    /// Transform data
68    fn transform(&self, x: &ArrayView2<'_, Float>) -> SklResult<Array2<f64>>;
69    /// Fit and transform in one step
70    fn fit_transform(
71        &mut self,
72        x: &ArrayView2<'_, Float>,
73        y: Option<&ArrayView1<'_, Float>>,
74    ) -> SklResult<Array2<f64>> {
75        self.fit(x, y)?;
76        self.transform(x)
77    }
78    /// Check if transformer is fitted
79    fn is_fitted(&self) -> bool;
80    /// Get feature names output
81    fn get_feature_names_out(&self, input_features: Option<&[String]>) -> Vec<String>;
82}
83/// Plugin-based estimator
84pub trait PluginEstimator: PluginComponent {
85    /// Fit the estimator
86    fn fit(&mut self, x: &ArrayView2<'_, Float>, y: &ArrayView1<'_, Float>) -> SklResult<()>;
87    /// Predict using the fitted estimator
88    fn predict(&self, x: &ArrayView2<'_, Float>) -> SklResult<Array1<f64>>;
89    /// Predict probabilities (for classifiers)
90    fn predict_proba(&self, x: &ArrayView2<'_, Float>) -> SklResult<Array2<f64>> {
91        Err(SklearsError::InvalidOperation(
92            "predict_proba not implemented for this estimator".to_string(),
93        ))
94    }
95    /// Score the estimator
96    fn score(&self, x: &ArrayView2<'_, Float>, y: &ArrayView1<'_, Float>) -> SklResult<f64>;
97    /// Check if estimator is fitted
98    fn is_fitted(&self) -> bool;
99    /// Get feature importance (if available)
100    fn feature_importances(&self) -> Option<Array1<f64>> {
101        None
102    }
103}
104/// Component factory for creating plugin instances
105pub trait ComponentFactory: Send + Sync + Debug {
106    /// Create a component
107    fn create(
108        &self,
109        component_type: &str,
110        config: &ComponentConfig,
111    ) -> SklResult<Box<dyn PluginComponent>>;
112    /// List available component types
113    fn available_types(&self) -> Vec<String>;
114    /// Get component schema
115    fn get_schema(&self, component_type: &str) -> Option<ComponentSchema>;
116}
117#[allow(non_snake_case)]
118#[cfg(test)]
119mod tests {
120    use super::*;
121    use scirs2_core::ndarray::array;
122    #[test]
123    fn test_plugin_registry_creation() {
124        let config = PluginConfig::default();
125        let registry = PluginRegistry::new(config);
126        assert!(registry.list_plugins().unwrap().is_empty());
127    }
128    #[test]
129    fn test_plugin_registration() {
130        let config = PluginConfig::default();
131        let registry = PluginRegistry::new(config);
132        let plugin = Box::new(ExampleTransformerPlugin::new());
133        let factory = Box::new(ExampleTransformerFactory::new());
134        registry
135            .register_plugin("test_plugin", plugin, factory)
136            .unwrap();
137        let plugins = registry.list_plugins().unwrap();
138        assert_eq!(plugins.len(), 1);
139        assert!(plugins.contains(&"test_plugin".to_string()));
140    }
141    #[test]
142    fn test_component_creation() {
143        let config = PluginConfig::default();
144        let registry = PluginRegistry::new(config);
145        let plugin = Box::new(ExampleTransformerPlugin::new());
146        let factory = Box::new(ExampleTransformerFactory::new());
147        registry
148            .register_plugin("test_plugin", plugin, factory)
149            .unwrap();
150        let component_config = ComponentConfig {
151            component_type: "example_scaler".to_string(),
152            parameters: {
153                let mut params = HashMap::new();
154                params.insert("scale_factor".to_string(), ConfigValue::Float(2.0));
155                params
156            },
157            metadata: HashMap::new(),
158        };
159        let component = registry
160            .create_component("test_plugin", "example_scaler", &component_config)
161            .unwrap();
162        assert_eq!(component.component_type(), "example_scaler");
163    }
164    #[test]
165    fn test_example_scaler() {
166        let config = ComponentConfig {
167            component_type: "example_scaler".to_string(),
168            parameters: {
169                let mut params = HashMap::new();
170                params.insert("scale_factor".to_string(), ConfigValue::Float(2.0));
171                params
172            },
173            metadata: HashMap::new(),
174        };
175        let mut scaler = ExampleScaler::new(config);
176        let x = array![[1.0, 2.0], [3.0, 4.0]];
177        scaler.fit(&x.view(), None).unwrap();
178        assert!(scaler.is_fitted());
179        let transformed = scaler.transform(&x.view()).unwrap();
180        assert_eq!(transformed, array![[2.0, 4.0], [6.0, 8.0]]);
181    }
182    #[test]
183    fn test_example_regressor() {
184        let config = ComponentConfig {
185            component_type: "example_regressor".to_string(),
186            parameters: {
187                let mut params = HashMap::new();
188                params.insert("learning_rate".to_string(), ConfigValue::Float(0.001));
189                params
190            },
191            metadata: HashMap::new(),
192        };
193        let mut regressor = ExampleRegressor::new(config);
194        let x = array![[1.0, 2.0], [3.0, 4.0], [5.0, 6.0]];
195        let y = array![3.0, 7.0, 11.0];
196        regressor.fit(&x.view(), &y.view()).unwrap();
197        assert!(regressor.is_fitted());
198        let predictions = regressor.predict(&x.view()).unwrap();
199        assert_eq!(predictions.len(), 3);
200        let score = regressor.score(&x.view(), &y.view()).unwrap();
201        assert!(score > -1.0);
202    }
203    #[test]
204    fn test_plugin_loader() {
205        let config = PluginConfig::default();
206        let registry = PluginRegistry::new(config.clone());
207        let mut loader = PluginLoader::new(config);
208        loader.load_example_plugins(&registry).unwrap();
209        let plugins = registry.list_plugins().unwrap();
210        assert_eq!(plugins.len(), 2);
211        assert!(plugins.contains(&"example_transformer".to_string()));
212        assert!(plugins.contains(&"example_estimator".to_string()));
213    }
214    #[test]
215    fn test_component_schema() {
216        let plugin = ExampleTransformerPlugin::new();
217        let schema = plugin.get_component_schema("example_scaler").unwrap();
218        assert_eq!(schema.name, "ExampleScaler");
219        assert_eq!(schema.required_parameters.len(), 0);
220        assert_eq!(schema.optional_parameters.len(), 1);
221        assert_eq!(schema.optional_parameters[0].name, "scale_factor");
222    }
223    #[test]
224    fn test_plugin_dependencies() {
225        let config = PluginConfig::default();
226        let registry = PluginRegistry::new(config);
227        let metadata = PluginMetadata {
228            name: "Dependent Plugin".to_string(),
229            version: "1.0.0".to_string(),
230            description: "Plugin with dependencies".to_string(),
231            author: "Test".to_string(),
232            license: "MIT".to_string(),
233            min_api_version: "1.0.0".to_string(),
234            dependencies: vec!["nonexistent_plugin".to_string()],
235            capabilities: vec!["transformer".to_string()],
236            tags: vec![],
237            documentation_url: None,
238            source_url: None,
239        };
240        let plugin = ExampleTransformerPlugin::with_metadata(metadata);
241        let factory = Box::new(ExampleTransformerFactory::new());
242        let result = registry.register_plugin("dependent_plugin", Box::new(plugin), factory);
243        assert!(result.is_err());
244    }
245}
246/// Advanced plugin management system with hot-loading and versioning
247pub mod advanced_plugin_system {
248    use super::{
249        Arc, Debug, HashMap, HashSet, PathBuf, PluginConfig, PluginLoader, PluginRegistry, RwLock,
250        SklResult, SklearsError,
251    };
252    use std::sync::atomic::{AtomicBool, Ordering};
253    use std::thread;
254    use std::time::{Duration, SystemTime};
255    /// Advanced plugin manager with hot-loading capabilities
256    pub struct AdvancedPluginManager {
257        registry: Arc<PluginRegistry>,
258        loader: PluginLoader,
259        watcher: Option<PluginWatcher>,
260        version_manager: VersionManager,
261        security_manager: SecurityManager,
262        performance_monitor: PerformanceMonitor,
263        marketplace: PluginMarketplace,
264    }
265    /// Plugin watcher for hot-loading
266    pub struct PluginWatcher {
267        watched_dirs: Vec<PathBuf>,
268        running: Arc<AtomicBool>,
269        poll_interval: Duration,
270    }
271    /// Version management for plugins
272    #[derive(Debug)]
273    pub struct VersionManager {
274        installed_versions: HashMap<String, Vec<SemanticVersion>>,
275        active_versions: HashMap<String, SemanticVersion>,
276        compatibility_matrix: HashMap<String, Vec<VersionConstraint>>,
277    }
278    /// Semantic version representation
279    #[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord)]
280    pub struct SemanticVersion {
281        pub major: u32,
282        pub minor: u32,
283        pub patch: u32,
284        pub pre_release: Option<String>,
285        pub build_metadata: Option<String>,
286    }
287    /// Version constraint for dependency resolution
288    #[derive(Debug, Clone)]
289    pub struct VersionConstraint {
290        pub plugin_name: String,
291        pub constraint_type: ConstraintType,
292        pub version: SemanticVersion,
293    }
294    /// Types of version constraints
295    #[derive(Debug, Clone, PartialEq)]
296    pub enum ConstraintType {
297        /// Exact
298        Exact,
299        /// GreaterThan
300        GreaterThan,
301        /// GreaterOrEqual
302        GreaterOrEqual,
303        /// LessThan
304        LessThan,
305        /// LessOrEqual
306        LessOrEqual,
307        /// Compatible
308        Compatible,
309        /// Tilde
310        Tilde,
311    }
312    /// Security manager for plugin sandboxing
313    #[derive(Debug)]
314    pub struct SecurityManager {
315        sandbox_enabled: bool,
316        allowed_capabilities: HashSet<String>,
317        security_policies: HashMap<String, SecurityPolicy>,
318        threat_detection: ThreatDetector,
319    }
320    /// Security policy for plugins
321    #[derive(Debug, Clone)]
322    pub struct SecurityPolicy {
323        pub plugin_name: String,
324        pub allowed_operations: HashSet<PluginOperation>,
325        pub resource_limits: SecurityResourceLimits,
326        pub network_access: NetworkAccess,
327        pub file_system_access: FileSystemAccess,
328    }
329    /// Allowed plugin operations
330    #[derive(Debug, Clone, PartialEq, Eq, Hash)]
331    pub enum PluginOperation {
332        /// ReadData
333        ReadData,
334        /// WriteData
335        WriteData,
336        /// NetworkRequest
337        NetworkRequest,
338        /// FileRead
339        FileRead,
340        /// FileWrite
341        FileWrite,
342        /// ProcessSpawn
343        ProcessSpawn,
344        /// SystemCall
345        SystemCall,
346        /// DatabaseAccess
347        DatabaseAccess,
348        /// EnvironmentAccess
349        EnvironmentAccess,
350    }
351    /// Security resource limits
352    #[derive(Debug, Clone)]
353    pub struct SecurityResourceLimits {
354        pub max_memory: Option<usize>,
355        pub max_cpu_time: Option<Duration>,
356        pub max_network_bandwidth: Option<usize>,
357        pub max_file_descriptors: Option<usize>,
358    }
359    /// Network access control
360    #[derive(Debug, Clone)]
361    pub enum NetworkAccess {
362        None,
363        /// Limited
364        Limited(Vec<String>),
365        /// Full
366        Full,
367    }
368    /// File system access control
369    #[derive(Debug, Clone)]
370    pub enum FileSystemAccess {
371        None,
372        /// ReadOnly
373        ReadOnly(Vec<PathBuf>),
374        /// Limited
375        Limited(Vec<PathBuf>),
376        /// Full
377        Full,
378    }
379    /// Threat detection system
380    #[derive(Debug)]
381    pub struct ThreatDetector {
382        suspicious_patterns: Vec<ThreatPattern>,
383        monitoring_enabled: bool,
384        alert_callback: Option<fn(&ThreatAlert)>,
385    }
386    /// Threat pattern definition
387    #[derive(Debug, Clone)]
388    pub struct ThreatPattern {
389        pub pattern_type: ThreatType,
390        pub pattern: String,
391        pub severity: ThreatSeverity,
392        pub description: String,
393    }
394    /// Types of security threats
395    #[derive(Debug, Clone, PartialEq)]
396    pub enum ThreatType {
397        /// SuspiciousCode
398        SuspiciousCode,
399        /// UnauthorizedAccess
400        UnauthorizedAccess,
401        /// ResourceAbuse
402        ResourceAbuse,
403        /// DataExfiltration
404        DataExfiltration,
405        /// MaliciousPayload
406        MaliciousPayload,
407    }
408    /// Threat severity levels
409    #[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord)]
410    pub enum ThreatSeverity {
411        Low,
412        Medium,
413        High,
414        Critical,
415    }
416    /// Threat alert
417    #[derive(Debug)]
418    pub struct ThreatAlert {
419        pub plugin_name: String,
420        pub threat_type: ThreatType,
421        pub severity: ThreatSeverity,
422        pub description: String,
423        pub timestamp: SystemTime,
424        pub details: HashMap<String, String>,
425    }
426    /// Performance monitoring for plugins
427    #[derive(Debug)]
428    pub struct PerformanceMonitor {
429        metrics: Arc<RwLock<HashMap<String, PluginMetrics>>>,
430        monitoring_enabled: bool,
431        collection_interval: Duration,
432    }
433    /// Plugin performance metrics
434    #[derive(Debug, Clone)]
435    pub struct PluginMetrics {
436        pub plugin_name: String,
437        pub execution_count: u64,
438        pub total_execution_time: Duration,
439        pub average_execution_time: Duration,
440        pub memory_usage: MemoryUsageStats,
441        pub error_rate: f64,
442        pub last_execution: Option<SystemTime>,
443    }
444    /// Memory usage statistics
445    #[derive(Debug, Clone)]
446    pub struct MemoryUsageStats {
447        pub current_usage: usize,
448        pub peak_usage: usize,
449        pub average_usage: usize,
450        pub allocation_count: u64,
451    }
452    /// Plugin marketplace for discovery and distribution
453    #[derive(Debug)]
454    pub struct PluginMarketplace {
455        repositories: Vec<PluginRepository>,
456        cache: Arc<RwLock<HashMap<String, MarketplaceEntry>>>,
457        update_interval: Duration,
458        last_update: Option<SystemTime>,
459    }
460    /// Plugin repository
461    #[derive(Debug, Clone)]
462    pub struct PluginRepository {
463        pub url: String,
464        pub name: String,
465        pub auth_token: Option<String>,
466        pub trusted: bool,
467        pub priority: u32,
468    }
469    /// Marketplace entry
470    #[derive(Debug, Clone)]
471    pub struct MarketplaceEntry {
472        pub plugin_name: String,
473        pub versions: Vec<PluginVersion>,
474        pub description: String,
475        pub tags: Vec<String>,
476        pub downloads: u64,
477        pub rating: f64,
478        pub last_updated: SystemTime,
479    }
480    /// Plugin version information
481    #[derive(Debug, Clone)]
482    pub struct PluginVersion {
483        pub version: SemanticVersion,
484        pub download_url: String,
485        pub checksum: String,
486        pub size: usize,
487        pub release_notes: String,
488        pub compatibility: Vec<String>,
489    }
490    impl AdvancedPluginManager {
491        /// Create a new advanced plugin manager
492        pub fn new(config: PluginConfig) -> SklResult<Self> {
493            let registry = Arc::new(PluginRegistry::new(config.clone()));
494            let loader = PluginLoader::new(config.clone());
495            let version_manager = VersionManager::new();
496            let security_manager = SecurityManager::new(config.sandbox);
497            let performance_monitor = PerformanceMonitor::new();
498            let marketplace = PluginMarketplace::new();
499            let watcher = if config.auto_load {
500                Some(PluginWatcher::new(config.plugin_dirs))
501            } else {
502                None
503            };
504            Ok(Self {
505                registry,
506                loader,
507                watcher,
508                version_manager,
509                security_manager,
510                performance_monitor,
511                marketplace,
512            })
513        }
514        /// Start the plugin manager with hot-loading
515        pub fn start(&mut self) -> SklResult<()> {
516            self.loader.load_plugins(&self.registry)?;
517            self.registry.initialize_all()?;
518            if let Some(ref mut watcher) = self.watcher {
519                watcher.start(Arc::clone(&self.registry))?;
520            }
521            self.performance_monitor.start_monitoring()?;
522            self.marketplace.update_cache()?;
523            Ok(())
524        }
525        /// Stop the plugin manager
526        pub fn stop(&mut self) -> SklResult<()> {
527            if let Some(ref mut watcher) = self.watcher {
528                watcher.stop();
529            }
530            self.performance_monitor.stop_monitoring()?;
531            self.registry.shutdown_all()?;
532            Ok(())
533        }
534        /// Install a plugin from the marketplace
535        pub fn install_from_marketplace(
536            &mut self,
537            plugin_name: &str,
538            version: Option<&SemanticVersion>,
539        ) -> SklResult<()> {
540            let entry = self.marketplace.find_plugin(plugin_name)?;
541            let target_version = version.unwrap_or(&entry.versions[0].version);
542            self.security_manager
543                .validate_plugin_security(plugin_name)?;
544            let plugin_data = self
545                .marketplace
546                .download_plugin(plugin_name, target_version)?;
547            self.security_manager.scan_plugin(&plugin_data)?;
548            self.version_manager
549                .install_version(plugin_name, target_version.clone())?;
550            Ok(())
551        }
552        /// Upgrade a plugin to a newer version
553        pub fn upgrade_plugin(
554            &mut self,
555            plugin_name: &str,
556            target_version: &SemanticVersion,
557        ) -> SklResult<()> {
558            self.version_manager
559                .check_upgrade_compatibility(plugin_name, target_version)?;
560            self.registry.unregister_plugin(plugin_name)?;
561            self.install_from_marketplace(plugin_name, Some(target_version))?;
562            Ok(())
563        }
564        /// Get plugin performance metrics
565        #[must_use]
566        pub fn get_plugin_metrics(&self, plugin_name: &str) -> Option<PluginMetrics> {
567            self.performance_monitor.get_metrics(plugin_name)
568        }
569        /// Get security report for a plugin
570        #[must_use]
571        pub fn get_security_report(&self, plugin_name: &str) -> SecurityReport {
572            self.security_manager.generate_report(plugin_name)
573        }
574        /// Search marketplace for plugins
575        #[must_use]
576        pub fn search_marketplace(&self, query: &str, tags: &[String]) -> Vec<MarketplaceEntry> {
577            self.marketplace.search(query, tags)
578        }
579    }
580    /// Security report for a plugin
581    #[derive(Debug)]
582    pub struct SecurityReport {
583        pub plugin_name: String,
584        pub security_level: SecurityLevel,
585        pub violations: Vec<SecurityViolation>,
586        pub recommendations: Vec<String>,
587        pub last_scan: Option<SystemTime>,
588    }
589    /// Security level assessment
590    #[derive(Debug, PartialEq, Eq, PartialOrd, Ord)]
591    pub enum SecurityLevel {
592        /// Safe
593        Safe,
594        /// LowRisk
595        LowRisk,
596        /// MediumRisk
597        MediumRisk,
598        /// HighRisk
599        HighRisk,
600        /// Critical
601        Critical,
602    }
603    /// Security violation
604    #[derive(Debug)]
605    pub struct SecurityViolation {
606        pub violation_type: ViolationType,
607        pub description: String,
608        pub severity: ThreatSeverity,
609        pub detected_at: SystemTime,
610    }
611    /// Types of security violations
612    #[derive(Debug)]
613    pub enum ViolationType {
614        /// UnauthorizedFileAccess
615        UnauthorizedFileAccess,
616        /// SuspiciousNetworkActivity
617        SuspiciousNetworkActivity,
618        /// ExcessiveResourceUsage
619        ExcessiveResourceUsage,
620        /// PolicyViolation
621        PolicyViolation,
622        /// MaliciousCode
623        MaliciousCode,
624    }
625    impl PluginWatcher {
626        #[must_use]
627        pub fn new(dirs: Vec<PathBuf>) -> Self {
628            Self {
629                watched_dirs: dirs,
630                running: Arc::new(AtomicBool::new(false)),
631                poll_interval: Duration::from_secs(5),
632            }
633        }
634        pub fn start(&mut self, registry: Arc<PluginRegistry>) -> SklResult<()> {
635            self.running.store(true, Ordering::SeqCst);
636            let running = Arc::clone(&self.running);
637            let dirs = self.watched_dirs.clone();
638            let interval = self.poll_interval;
639            thread::spawn(move || {
640                while running.load(Ordering::SeqCst) {
641                    for dir in &dirs {
642                        if dir.exists() {}
643                    }
644                    thread::sleep(interval);
645                }
646            });
647            Ok(())
648        }
649        pub fn stop(&mut self) {
650            self.running.store(false, Ordering::SeqCst);
651        }
652    }
653    impl Default for VersionManager {
654        fn default() -> Self {
655            Self::new()
656        }
657    }
658    impl VersionManager {
659        #[must_use]
660        pub fn new() -> Self {
661            Self {
662                installed_versions: HashMap::new(),
663                active_versions: HashMap::new(),
664                compatibility_matrix: HashMap::new(),
665            }
666        }
667        pub fn install_version(
668            &mut self,
669            plugin_name: &str,
670            version: SemanticVersion,
671        ) -> SklResult<()> {
672            self.installed_versions
673                .entry(plugin_name.to_string())
674                .or_default()
675                .push(version.clone());
676            self.active_versions
677                .insert(plugin_name.to_string(), version);
678            Ok(())
679        }
680        pub fn check_upgrade_compatibility(
681            &self,
682            plugin_name: &str,
683            target_version: &SemanticVersion,
684        ) -> SklResult<()> {
685            if let Some(constraints) = self.compatibility_matrix.get(plugin_name) {
686                for constraint in constraints {
687                    if !self.version_satisfies_constraint(target_version, constraint) {
688                        return Err(SklearsError::InvalidInput(format!(
689                            "Version {} does not satisfy constraint {:?}",
690                            self.version_to_string(target_version),
691                            constraint
692                        )));
693                    }
694                }
695            }
696            Ok(())
697        }
698        fn version_satisfies_constraint(
699            &self,
700            version: &SemanticVersion,
701            constraint: &VersionConstraint,
702        ) -> bool {
703            match constraint.constraint_type {
704                ConstraintType::Exact => version == &constraint.version,
705                ConstraintType::GreaterThan => version > &constraint.version,
706                ConstraintType::GreaterOrEqual => version >= &constraint.version,
707                ConstraintType::LessThan => version < &constraint.version,
708                ConstraintType::LessOrEqual => version <= &constraint.version,
709                ConstraintType::Compatible => {
710                    version.major == constraint.version.major && version >= &constraint.version
711                }
712                ConstraintType::Tilde => {
713                    version.major == constraint.version.major
714                        && version.minor == constraint.version.minor
715                        && version >= &constraint.version
716                }
717            }
718        }
719        fn version_to_string(&self, version: &SemanticVersion) -> String {
720            format!("{}.{}.{}", version.major, version.minor, version.patch)
721        }
722    }
723    impl SecurityManager {
724        #[must_use]
725        pub fn new(sandbox_enabled: bool) -> Self {
726            Self {
727                sandbox_enabled,
728                allowed_capabilities: HashSet::new(),
729                security_policies: HashMap::new(),
730                threat_detection: ThreatDetector::new(),
731            }
732        }
733        pub fn validate_plugin_security(&self, plugin_name: &str) -> SklResult<()> {
734            if let Some(policy) = self.security_policies.get(plugin_name) {
735                Ok(())
736            } else {
737                Ok(())
738            }
739        }
740        pub fn scan_plugin(&self, plugin_data: &[u8]) -> SklResult<()> {
741            self.threat_detection.scan_data(plugin_data)
742        }
743        #[must_use]
744        pub fn generate_report(&self, plugin_name: &str) -> SecurityReport {
745            /// SecurityReport
746            SecurityReport {
747                plugin_name: plugin_name.to_string(),
748                security_level: SecurityLevel::Safe,
749                violations: Vec::new(),
750                recommendations: Vec::new(),
751                last_scan: Some(SystemTime::now()),
752            }
753        }
754    }
755    impl Default for ThreatDetector {
756        fn default() -> Self {
757            Self::new()
758        }
759    }
760    impl ThreatDetector {
761        #[must_use]
762        pub fn new() -> Self {
763            Self {
764                suspicious_patterns: Vec::new(),
765                monitoring_enabled: true,
766                alert_callback: None,
767            }
768        }
769        pub fn scan_data(&self, data: &[u8]) -> SklResult<()> {
770            let data_str = String::from_utf8_lossy(data);
771            for pattern in &self.suspicious_patterns {
772                if data_str.contains(&pattern.pattern) {
773                    let alert = ThreatAlert {
774                        plugin_name: "unknown".to_string(),
775                        threat_type: pattern.pattern_type.clone(),
776                        severity: pattern.severity.clone(),
777                        description: pattern.description.clone(),
778                        timestamp: SystemTime::now(),
779                        details: HashMap::new(),
780                    };
781                    if let Some(callback) = self.alert_callback {
782                        callback(&alert);
783                    }
784                    if pattern.severity >= ThreatSeverity::High {
785                        return Err(SklearsError::InvalidInput(format!(
786                            "Security threat detected: {}",
787                            pattern.description
788                        )));
789                    }
790                }
791            }
792            Ok(())
793        }
794    }
795    impl Default for PerformanceMonitor {
796        fn default() -> Self {
797            Self::new()
798        }
799    }
800    impl PerformanceMonitor {
801        #[must_use]
802        pub fn new() -> Self {
803            Self {
804                metrics: Arc::new(RwLock::new(HashMap::new())),
805                monitoring_enabled: false,
806                collection_interval: Duration::from_secs(60),
807            }
808        }
809        pub fn start_monitoring(&mut self) -> SklResult<()> {
810            self.monitoring_enabled = true;
811            Ok(())
812        }
813        pub fn stop_monitoring(&mut self) -> SklResult<()> {
814            self.monitoring_enabled = false;
815            Ok(())
816        }
817        #[must_use]
818        pub fn get_metrics(&self, plugin_name: &str) -> Option<PluginMetrics> {
819            self.metrics.read().ok()?.get(plugin_name).cloned()
820        }
821        pub fn record_execution(&self, plugin_name: &str, execution_time: Duration) {
822            if let Ok(mut metrics) = self.metrics.write() {
823                let plugin_metrics =
824                    metrics
825                        .entry(plugin_name.to_string())
826                        .or_insert_with(|| PluginMetrics {
827                            plugin_name: plugin_name.to_string(),
828                            execution_count: 0,
829                            total_execution_time: Duration::from_secs(0),
830                            average_execution_time: Duration::from_secs(0),
831                            memory_usage: MemoryUsageStats {
832                                current_usage: 0,
833                                peak_usage: 0,
834                                average_usage: 0,
835                                allocation_count: 0,
836                            },
837                            error_rate: 0.0,
838                            last_execution: None,
839                        });
840                plugin_metrics.execution_count += 1;
841                plugin_metrics.total_execution_time += execution_time;
842                plugin_metrics.average_execution_time =
843                    plugin_metrics.total_execution_time / plugin_metrics.execution_count as u32;
844                plugin_metrics.last_execution = Some(SystemTime::now());
845            }
846        }
847    }
848    impl Default for PluginMarketplace {
849        fn default() -> Self {
850            Self::new()
851        }
852    }
853    impl PluginMarketplace {
854        #[must_use]
855        pub fn new() -> Self {
856            Self {
857                repositories: Vec::new(),
858                cache: Arc::new(RwLock::new(HashMap::new())),
859                update_interval: Duration::from_secs(3600),
860                last_update: None,
861            }
862        }
863        pub fn add_repository(&mut self, repository: PluginRepository) {
864            self.repositories.push(repository);
865        }
866        pub fn update_cache(&mut self) -> SklResult<()> {
867            self.last_update = Some(SystemTime::now());
868            Ok(())
869        }
870        pub fn find_plugin(&self, plugin_name: &str) -> SklResult<MarketplaceEntry> {
871            if let Ok(cache) = self.cache.read() {
872                cache.get(plugin_name).cloned().ok_or_else(|| {
873                    SklearsError::InvalidInput(format!(
874                        "Plugin {plugin_name} not found in marketplace"
875                    ))
876                })
877            } else {
878                Err(SklearsError::InvalidOperation(
879                    "Failed to read marketplace cache".to_string(),
880                ))
881            }
882        }
883        pub fn download_plugin(
884            &self,
885            _plugin_name: &str,
886            _version: &SemanticVersion,
887        ) -> SklResult<Vec<u8>> {
888            Ok(vec![])
889        }
890        #[must_use]
891        pub fn search(&self, query: &str, tags: &[String]) -> Vec<MarketplaceEntry> {
892            if let Ok(cache) = self.cache.read() {
893                cache
894                    .values()
895                    .filter(|entry| {
896                        entry.plugin_name.contains(query)
897                            || entry.description.contains(query)
898                            || tags.iter().any(|tag| entry.tags.contains(tag))
899                    })
900                    .cloned()
901                    .collect()
902            } else {
903                Vec::new()
904            }
905        }
906    }
907    impl SemanticVersion {
908        #[must_use]
909        pub fn new(major: u32, minor: u32, patch: u32) -> Self {
910            Self {
911                major,
912                minor,
913                patch,
914                pre_release: None,
915                build_metadata: None,
916            }
917        }
918        pub fn parse(version_str: &str) -> SklResult<Self> {
919            let parts: Vec<&str> = version_str.split('.').collect();
920            if parts.len() < 3 {
921                return Err(SklearsError::InvalidInput(
922                    "Invalid version format".to_string(),
923                ));
924            }
925            let major = parts[0]
926                .parse()
927                .map_err(|_| SklearsError::InvalidInput("Invalid major version".to_string()))?;
928            let minor = parts[1]
929                .parse()
930                .map_err(|_| SklearsError::InvalidInput("Invalid minor version".to_string()))?;
931            let patch = parts[2]
932                .parse()
933                .map_err(|_| SklearsError::InvalidInput("Invalid patch version".to_string()))?;
934            Ok(Self::new(major, minor, patch))
935        }
936    }
937}