Struct StorageBackedSessionView 

pub struct StorageBackedSessionView { /* private fields */ }

SessionView adapter backed by BoxedSessionStorage

This adapter implements the SessionView trait by delegating to the underlying session storage backend. It handles:

• Reading/writing session state
• Reading/writing session metadata (with __meta__: prefix)
• Error conversion from storage errors to String

Architecture

Middleware → SessionView → StorageBackedSessionView → BoxedSessionStorage

Example

use std::sync::Arc;
use turul_mcp_session_storage::InMemorySessionStorage;
use turul_http_mcp_server::middleware::StorageBackedSessionView;

let storage = Arc::new(InMemorySessionStorage::new());
let session_id = "test-session-123".to_string();

// Create adapter
let session_view = StorageBackedSessionView::new(session_id, storage);

// Middleware can now use SessionView trait methods
// session_view.get_state("key").await

Implementations

impl StorageBackedSessionView

pub fn new( session_id: String, storage: Arc<dyn SessionStorage<Error = SessionStorageError>>, ) -> StorageBackedSessionView

Create a new session view adapter

Parameters

• session_id: The session ID to operate on
• storage: The storage backend to delegate to

Trait Implementations

impl SessionView for StorageBackedSessionView

fn session_id(&self) -> &str

Get the unique session identifier

fn get_state<'life0, 'life1, 'async_trait>( &'life0 self, key: &'life1 str, ) -> Pin<Box<dyn Future<Output = Result<Option<Value>, String>> + Send + 'async_trait>>

where 'life0: 'async_trait, 'life1: 'async_trait, StorageBackedSessionView: 'async_trait,

Get a state value from the session

fn set_state<'life0, 'life1, 'async_trait>( &'life0 self, key: &'life1 str, value: Value, ) -> Pin<Box<dyn Future<Output = Result<(), String>> + Send + 'async_trait>>

where 'life0: 'async_trait, 'life1: 'async_trait, StorageBackedSessionView: 'async_trait,

Set a state value in the session

fn get_metadata<'life0, 'life1, 'async_trait>( &'life0 self, key: &'life1 str, ) -> Pin<Box<dyn Future<Output = Result<Option<Value>, String>> + Send + 'async_trait>>

where 'life0: 'async_trait, 'life1: 'async_trait, StorageBackedSessionView: 'async_trait,

Get a metadata value from the session

fn set_metadata<'life0, 'life1, 'async_trait>( &'life0 self, key: &'life1 str, value: Value, ) -> Pin<Box<dyn Future<Output = Result<(), String>> + Send + 'async_trait>>

where 'life0: 'async_trait, 'life1: 'async_trait, StorageBackedSessionView: 'async_trait,

Set a metadata value in the session