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repl_core/
runtime_bridge.rs

1use std::sync::{Arc, Mutex};
2use symbi_runtime::context::manager::{ContextManagerConfig, StandardContextManager};
3use symbi_runtime::integrations::policy_engine::engine::{
4    OpaPolicyEngine, PolicyDecision, PolicyEngine,
5};
6use symbi_runtime::lifecycle::{DefaultLifecycleController, LifecycleConfig, LifecycleController};
7use symbi_runtime::types::agent::AgentConfig;
8use symbi_runtime::types::security::Capability;
9use symbi_runtime::types::AgentId;
10
11/// The RuntimeBridge manages a simulated, in-process Symbiont runtime environment.
12pub struct RuntimeBridge {
13    lifecycle_controller: Arc<Mutex<Option<Arc<DefaultLifecycleController>>>>,
14    context_manager: Arc<Mutex<Option<Arc<StandardContextManager>>>>,
15    policy_engine: Arc<Mutex<OpaPolicyEngine>>,
16    // We will store agent instances here for multi-agent simulation later
17}
18
19impl Default for RuntimeBridge {
20    fn default() -> Self {
21        Self::new()
22    }
23}
24
25impl RuntimeBridge {
26    pub fn new() -> Self {
27        // Initialize with None - will be set up asynchronously
28        let lifecycle_controller = Arc::new(Mutex::new(None));
29        let context_manager = Arc::new(Mutex::new(None));
30        let policy_engine = Arc::new(Mutex::new(OpaPolicyEngine::new()));
31
32        Self {
33            lifecycle_controller,
34            context_manager,
35            policy_engine,
36        }
37    }
38
39    /// Initialize the runtime bridge components asynchronously
40    pub async fn initialize(&self) -> Result<(), String> {
41        // Initialize lifecycle controller
42        let lifecycle_config = LifecycleConfig::default();
43        let lifecycle_controller = Arc::new(
44            DefaultLifecycleController::new(lifecycle_config)
45                .await
46                .map_err(|e| format!("Failed to create lifecycle controller: {}", e))?,
47        );
48
49        // Initialize context manager
50        let context_config = ContextManagerConfig::default();
51        let context_manager = Arc::new(
52            StandardContextManager::new(context_config, "runtime_bridge")
53                .await
54                .map_err(|e| format!("Failed to create context manager: {}", e))?,
55        );
56
57        // Initialize the context manager
58        context_manager
59            .initialize()
60            .await
61            .map_err(|e| format!("Failed to initialize context manager: {}", e))?;
62
63        // Store the initialized components
64        *self.lifecycle_controller.lock().unwrap() = Some(lifecycle_controller);
65        *self.context_manager.lock().unwrap() = Some(context_manager);
66
67        Ok(())
68    }
69
70    pub async fn initialize_agent(&self, config: AgentConfig) -> Result<AgentId, String> {
71        let controller = {
72            let controller_guard = self.lifecycle_controller.lock().unwrap();
73            controller_guard.clone()
74        };
75
76        if let Some(controller) = controller {
77            controller
78                .initialize_agent(config)
79                .await
80                .map_err(|e| e.to_string())
81        } else {
82            Err("Lifecycle controller not initialized".to_string())
83        }
84    }
85
86    /// Checks if a given capability is allowed for an agent.
87    pub async fn check_capability(
88        &self,
89        agent_id: &str,
90        capability: &Capability,
91    ) -> Result<PolicyDecision, String> {
92        // Clone the engine to avoid holding the lock across the await
93        let engine = {
94            let engine_guard = self.policy_engine.lock().unwrap();
95            engine_guard.clone()
96        };
97        engine
98            .check_capability(agent_id, capability)
99            .await
100            .map_err(|e| e.to_string())
101    }
102
103    /// Register an event handler for an agent (stub implementation)
104    pub async fn register_event_handler(
105        &self,
106        agent_id: &str,
107        event_name: &str,
108        _event_type: &str,
109    ) -> Result<(), String> {
110        tracing::info!(
111            "Registered event handler '{}' for agent {}",
112            event_name,
113            agent_id
114        );
115        Ok(())
116    }
117
118    /// Emit an event from an agent (stub implementation)
119    pub async fn emit_event(
120        &self,
121        agent_id: &str,
122        event_name: &str,
123        _data: &serde_json::Value,
124    ) -> Result<(), String> {
125        tracing::info!("Agent {} emitted event: {}", agent_id, event_name);
126        Ok(())
127    }
128}